Oil fume purifier with conveniently disassembled and assembled purification unit and disassembly and assembly method of purification unit

Abstract

The present invention discloses an oil fume purifier facilitating disassembly and assembly of a purification unit and a method for disassembling and assembling the purification unit. The oil fume purifier mainly consists of a smoke hood and a purification box. A through hole is provided at the bottom surface of the purification box, and a connecting member is provided at the edge of the through hole. When the purification unit is installed, it passes through the through hole from bottom to top and is placed inside the purification box, so that when disassembling and assembling the purification unit, a special lifting device is used to hold the purification unit, and then the connecting member is separated from the purification unit. Then, the lifting device is used to lift and lower the purification unit, making the disassembly and assembly of the purification unit convenient; the connecting member includes a connecting piece and a bead screw. The bead screw includes an installation sleeve, a spring placed inside the installation sleeve, and a ball. The connecting piece is provided with a notch corresponding to the position of the ball. When the connecting piece is in a position abutting against the purification unit, the ball is stuck in the notch. After installing the purification unit, it is only necessary to manually rotate the connecting piece and make one end of the connecting piece be placed below the purification unit, without the need for additional fixation, which is convenient and simple.

Description

Technical Field

[0001] The present invention relates to the field of air purification equipment, and particularly to an oil fume purifier that facilitates the disassembly and assembly of a purification unit and a method for disassembling and assembling the purification unit. Background Art

[0002] The hood-type oil fume purifier is used for the purification of oil fumes in the catering industry. It is installed above the cooking range. During the rising process of the flue gas, under the action of the fan in the hood-type oil fume purifier, the flue gas enters the interior of the hood-type oil fume purifier for purification, so that the flue gas reaches the emission standard. Among them, the main component of the hood-type oil fume purifier that realizes the purification function is the purification unit installed inside the casing. It purifies the flue gas through filtration, adsorption, etc. After being used for a period of time, the interior of the purification unit will be contaminated with oil stains and soot, affecting the purification efficiency. Therefore, it needs to be cleaned frequently.

[0003] In the existing hood-type oil fume purifier, the casing is fixed on the wall, and the purification unit is fixed inside the casing. When replacing or cleaning the purification unit, the entire hood-type oil fume purifier needs to be disassembled for replacement, or the purification unit needs to be pulled out from the front of the casing for replacement. Since the purification unit is relatively heavy and needs to be moved down a certain height, it is quite troublesome.

[0004] Obviously, the existing technology still needs to be improved. Summary of the Invention

[0005] In view of the deficiencies of the above-mentioned existing technology, the purpose of the present invention is to provide an oil fume purifier that facilitates the disassembly and assembly of a purification unit and a method for disassembling and assembling the purification unit, so as to solve the problem that it is inconvenient to disassemble and assemble the purification unit of the existing hood-type oil fume purifier.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] An oil fume purifier that facilitates the disassembly and assembly of a purification unit includes a purification box and a hood fixed to the bottom surface of the purification box. A purification unit is provided inside the purification box, and a through hole communicating with the hood is provided below the purification unit in the purification box. The purification unit passes through the through hole from bottom to top and is placed inside the purification box. A connecting member is connected to the bottom surface of the purification box at the edge of the through hole, and the purification unit is fixed to the connecting member.

[0008] In the oil fume purifier that facilitates the disassembly and assembly of a purification unit, the connecting member includes a connecting piece. One end of the connecting piece is rotatably connected to the bottom surface of the purification box, and the other end abuts against the bottom surface of the purification unit.

[0009] In the oil fume purifier with a conveniently detachable purification unit described above, the connecting member further includes a beaded screw disposed on one side of the connecting piece. The beaded screw includes a mounting sleeve vertically fixed to the bottom surface of the purification box, a spring and a ball disposed inside the mounting sleeve, and the ball is disposed below the spring. A notch is provided on the connecting piece corresponding to the position of the ball. When the connecting piece is in the position of abutting against the purification unit, the ball is stuck in the notch.

[0010] In the oil fume purifier with a conveniently detachable purification unit described above, an adjusting screw is provided at one end of the mounting sleeve away from the ball.

[0011] In the oil fume purifier with a conveniently detachable purification unit described above, the purification unit is an electrostatic field. A thimble connected to the cathode frame of the electrostatic field is provided at the upper end of the purification box corresponding to the through hole. An electric control box is fixed to the front surface of the purification box, and the thimble passes through the purification box and is connected to the power supply inside the electric control box.

[0012] In the oil fume purifier with a conveniently detachable purification unit described above, the electrostatic field is horizontally arranged, and a baffle is fixed below the electrostatic field. The baffle is connected to the connecting member and abuts against the bottom surface of the purification box. The electrostatic field is disposed in the middle of the purification box, and an air inlet communicating with the smoke hood is provided at one end of the purification box, and an air outlet is provided at the other end.

[0013] In the oil fume purifier with a conveniently detachable purification unit described above, the electrostatic field is a honeycomb electric field. The honeycomb electric field is vertically arranged. The anode substrate provided at the lower end of the honeycomb electric field is connected to the connecting member, and a sealing plate is provided inside the electric control box. The side surface of the honeycomb electric field abuts against the sealing plate, and an air outlet is provided on the top surface of the purification box.

[0014] In the oil fume purifier with a conveniently detachable purification unit described above, there are two groups of electrostatic fields, and two through holes are correspondingly provided on the bottom surface of the purification box.

[0015] In the oil fume purifier with a conveniently detachable purification unit described above, the thimble includes a base, an elastic element and a thimble cap. One end of the elastic element is fixedly connected to one end face of the base, and the other end of the elastic element is fixedly connected to the thimble cap. The elastic element can be bent when stressed and can be reset after the external force disappears.

[0016] In the oil fume purifier with a conveniently detachable purification unit described above, a hanging ring is provided on one side of the bottom surface of the purification box and near the through hole, and a long strip-shaped buckle groove is provided on the side opposite to the side where the hanging ring is provided.

[0017] A method for disassembling and assembling the purification unit of the above-mentioned hood-type oil fume purifier includes the following steps.

[0018] When disassembling the purification unit:

[0019] Fix the special disassembly and assembly tool on the bottom surface of the purification box of the hood-type oil fume purifier.

[0020] Drive the lifting platform of the lifting structure to rise and abut against the bottom surface of the purification unit;

[0021] Rotate the connecting piece to the outside of the through hole;

[0022] Drive the lifting structure to descend, and extract the purification unit from the through hole;

[0023] Drive the lifting platform of the lifting structure to descend to the lowest position, and remove the purification unit from the lifting platform of the lifting structure;

[0024] Remove the special disassembly and assembly tool from the bottom surface of the purification box of the hood type oil fume purifier to complete the disassembly of the purification unit.

[0025] Beneficial effects:

[0026] 1. The hood type oil fume purifier is mainly composed of a hood and a purification box. A through hole is provided on the bottom surface of the purification box, and a connecting piece is provided on the edge of the through hole. When installing the purification unit, it passes through the through hole from bottom to top and is placed inside the purification box. When disassembling and assembling the purification unit, a special lifting device is used to support the purification unit, and then the connecting piece is separated from the purification unit. Then, the lifting device is used to realize the lifting of the purification unit, making the disassembly and assembly of the purification unit convenient.

[0027] 2. The connecting piece includes a connecting piece and a beaded screw. The beaded screw includes an installation sleeve, a spring and a ball placed inside the installation sleeve. The connecting piece is provided with a notch corresponding to the position of the ball. When the connecting piece is in the position abutting against the purification unit, the ball is stuck in the notch. Therefore, during use, after installing the purification unit, it is only necessary to manually rotate the connecting piece and make one end of the connecting piece be placed below the purification unit, without additional fixation, which is convenient and simple. Description of the drawings

[0028] Figure 1 is a perspective view of the hood type oil fume purifier.

[0029] Figure 2 is the decomposition of the hood type oil fume purifier Figure 1 .

[0030] Figure 3 is the decomposition of the hood type oil fume purifier Figure 2 .

[0031] Figure 4 is Figure 1 the bottom view of

[0032] Figure 5 is Figure 4 the partial enlarged view at A.

[0033] Figure 6 is the structural schematic diagram of the connecting piece.

[0034] Figure 7 It is an embodiment structure of a hood - type oil fume purifier Figure 1 .

[0035] Figure 8 It is an embodiment structure of a hood - type oil fume purifier Figure 2 .

[0036] Figure 9 It is the three - dimensional view of a special disassembly and assembly tool Figure 1 .

[0037] Figure 10 It is the three - dimensional view of a special disassembly and assembly tool Figure 2

[0038] Figure 11 It is Figure 10 The partial enlarged view at B

[0039] Figure 12 It is the structural schematic diagram of a thimble used horizontally Figure 1 .

[0040] Figure 13 It is the front view of a thimble used horizontally Figure 1 .

[0041] Figure 14 It is the front view of a thimble used horizontally Figure 2 .

[0042] Figure 15 It is the structural schematic diagram of a thimble used horizontally Figure 2 .

[0043] Figure 16 It is the schematic diagram of the connection structure between a thimble used horizontally and the cathode frame

[0044] Description of main component symbols: 1.1 - purification box, 1.2 - hood, 1.3 - air outlet, 1.4 - electric control box, 1.5 - purification unit, 1.51 - anode substrate, 1.52 - anode cylinder, 1.53 - cathode frame, 1.6 - connecting piece, 1.61 - connecting plate, 1.62 - ball, 1.63 - clamping groove, 1.64 - spring, 1.65 - adjusting screw, 1.66 - mounting sleeve, 1.67 - handle, 1.7 - through hole, 1.8 - long - strip - shaped clamping groove, 1.9 - lifting ring, 1.10 - baffle plate, 1.11 - air inlet, 1.12 - sealing plate;

[0045] 2 - thimble, 2.1 - base, 2.2 - elastic element, 2.3 - thimble cap, 2.4 - screw, 2.5 - internal thread sleeve;

[0046] 3.1 - Bracket, 3.2 - Frame, 3.21 - Column, 3.22 - Crossbeam, 3.4 - Plug, 3.5 - Lifting structure, 3.6 - Positioning member, 3.3 - Quick lock, 3.31 - Second limiting member, 3.32 - Second connecting seat, 3.33 - Fourth limiting member, 3.34 - Connecting rod, 3.35 - Third limiting member, 3.36 - Elastic member, 3.37 - First connecting seat, 3.38 - First limiting member, 3.39 - Handle. Detailed implementation

[0047] The present invention provides an oil fume purifier that facilitates the disassembly and assembly of a purification unit and a method for disassembling and assembling the purification unit. To make the objectives, technical solutions, and effects of the present invention clearer and more explicit, the following further elaborates on the present invention with reference to the accompanying drawings and by way of examples. It should be understood that the specific examples described herein are only used to explain the present invention and are not used to limit the protection scope of the present invention.

[0048] Refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , an oil fume purifier that facilitates the disassembly and assembly of a purification unit. The oil fume purifier is a hood - type oil fume purifier, including a purification box 1.1 and a hood 1.2 fixed to the bottom surface of the purification box 1.1. A purification unit 1.5 is provided inside the purification box 1.1, and a through - hole 1.7 communicating with the hood 1.2 is provided below the purification unit 1.5 in the purification box 1.1. The purification unit 1.5 passes through the through - hole 1.7 from bottom to top and is placed inside the purification box 1.1. A connecting member 1.6 is connected to the bottom surface of the purification box 1.1 at the edge of the through - hole 1.7, and the purification unit 1.5 is fixed to the connecting member 1.6. This edge refers to the position on the bottom surface of the purification box 1.1 close to the through - hole 1.7.

[0049] Among them, the top - view area of the purification unit 1.5 is placed inside the through - hole 1.7. One end of the connecting member 1.6 can be rotated into the through - hole 1.7 to realize the fixed connection between the connecting member 1.6 and the purification unit 1.5; the connecting member 1.6 can also be rotated to a non - through - hole 1.7 position. That is, when disassembling and assembling the purification unit 1.5, the connecting member 1.6 is rotated to a non - through - hole 1.7 position, so that the purification unit 1.5 can be pulled out downward through the through - hole 1.7.

[0050] In the above structure, when disassembling the purification unit 1.5, place the special disassembly and assembly tool with a lifting structure on the stove top or hang it under the bottom surface of the purification box 1.1. Then drive the lifting structure to rise so that the lifting structure supports the bottom surface of the purification unit 1.5. Then rotate the connecting piece 1.6 to move the connecting piece 1.6 away from the position of the through hole 1.7. Then drive the lifting structure to descend, and the purification unit 1.5 is pulled out from under the hood 1.2 machine to complete the disassembly of the purification unit 1.5. The steps for installing the purification unit 1.5 are opposite, that is, first place the special disassembly and assembly tool with a lifting structure on the stove top or hang it under the bottom surface of the purification box 1.1, and make the lifting structure in the lowest state. Then place the purification unit 1.5 on the lifting structure. Then drive the lifting structure to rise so that the purification unit 1.5 is inserted into the purification box 1.1 from the through hole 1.7. Then rotate the connecting piece 1.6 to place the purification unit 1.5 on the connecting piece 1.6 to complete the installation of the purification unit 1.5.

[0051] When disassembling and assembling the purification unit 1.5, since a special tool is used to disassemble it from under the hood 1.2 machine, it is not necessary to manually move the relatively heavy purification unit 1.5 at a high position. Only need to manually control the lifting of the lifting structure of the special tool and rotate the connecting piece 1.6, which greatly reduces the labor intensity of the workers and makes it more convenient and convenient when cleaning or replacing and maintaining the hood 1.2 machine.

[0052] In the above, when disassembling and assembling the purification unit 1.5, the special disassembly and assembly tool passes through the inside of the hood 1.2. Therefore, structures such as the water separation plate and the oil-water separator installed inside the hood 1.2 are all installed in a detachable manner, so that before disassembling and assembling the purification unit 1.5, the structures inside the hood 1.2 are removed so as not to affect the disassembly and assembly of the purification unit 1.5. Among them, a fan for driving air flow is also detachably connected inside the hood 1.2 or inside the purification box 1.1.

[0053] Among them, the purification unit 1.5 can be a filter screen, such as an activated carbon filter screen, etc., or an electrostatic field.

[0054] See Figure 5 and Figure 6 , the connecting piece 1.6 includes a connecting piece 1.61. One end of the connecting piece 1.61 is rotatably connected to the bottom surface of the purification box 1.1, and the other end abuts against the bottom surface of the purification unit 1.5. In practical applications, the purification unit 1.5 can be connected to the connecting piece 1.61 by screws to improve the firmness of its connection position.

[0055] In a preferred embodiment, the connecting member 1.6 further includes a beaded screw disposed on one side of the connecting piece 1.61. The beaded screw includes a mounting sleeve 1.66 vertically fixed to the bottom surface of the purification box 1.1, a spring 1.64 disposed inside the mounting sleeve 1.66, and a ball 1.62. The ball 1.62 is disposed below the spring 1.64. A notch 1.63 is provided on the connecting piece 1.61 corresponding to the position of the ball 1.62. When the connecting piece 1.61 is in contact with the purification unit 1.5, the ball 1.62 is stuck in the notch 1.63. Wherein, one end of the ball 1.62 passes through the mounting sleeve 1.66, and the notch 1.63 is provided to cooperate with the ball 1.62. After the ball 1.62 is placed in the notch 1.63, if there is no force in the rotation direction of the connecting piece 1.61, the position of the connecting piece 1.61 is stuck by the ball 1.62 to achieve fixation. When the worker rotates the connecting piece 1.61 by an external force, the spring 1.64 contracts, so that the ball 1.62 can be moved out of the notch 1.63. Therefore, in use, after installing the purification unit 1.5, it is only necessary to manually rotate the connecting piece 1.61 and make one end of the connecting piece 1.61 be placed below the purification unit 1.5, without additional fixation. Among them, the notch 1.63 can be a concave pit, a through hole or a blind hole.

[0056] In a further preferred embodiment, an adjusting screw 1.65 is provided at one end of the mounting sleeve 1.66 away from the ball 1.62. By screwing the adjusting screw 1.65, the tightness of the spring 1.64 is adjusted so that the ball 1.62 has sufficient force to prevent the connecting piece 1.61 from rotating.

[0057] In practical applications, in order to facilitate the turning of the connecting piece 1.61, a handle 1.67 can be fixed to the bottom surface of the connecting piece 1.61.

[0058] In a preferred embodiment, the purification unit 1.5 is an electrostatic field. A thimble 2 connected to the cathode frame 1.53 of the electrostatic field is provided at the upper end of the purification box 1.1 corresponding to the through hole 1.7. An electric control box 1.4 is fixed to the front surface of the purification box 1.1. The thimble 2 passes through the purification box 1.1 and is connected to the power supply in the electric control box 1.4. After the electrostatic field is installed, the thimble 2 abuts against the cathode frame 1.53, so that the cathode frame 1.53 is electrically connected to the power supply in the electric control box 1.4.

[0059] Refer to Figure 8, in a preferred embodiment, the electrostatic field is horizontally arranged, and a baffle 1.10 is fixed below the electrostatic field. The baffle 1.10 is connected to the connecting member 1.6, and the baffle 1.10 abuts against the bottom surface of the purification box 1.1. That is, after the electrostatic field is installed, the baffle 1.10 seals the through hole 1.7 to prevent the flue gas from passing through there. In this embodiment, the electrostatic field can be a honeycomb electric field or a plate electric field. The electrostatic field is placed in the middle of the purification box 1.1, and an air inlet 1.11 communicating with the hood 1.2 is provided at one end of the purification box 1.1, and an air outlet 1.3 is provided at the other end, so that the flue gas enters the interior of the purification box 1.1 from one end of the purification box 1.1 and is discharged from the other end through the purification electric field, realizing the purification of the flue gas.

[0060] Refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 7 , in a preferred embodiment, the electrostatic field is a honeycomb electric field, and the honeycomb electric field is vertically arranged. That is, the honeycomb electric field includes an anode cylinder 1.52, anode substrates 1.51 connected to both ends of the anode cylinder 1.52, a cathode frame 1.53 fixed to the anode substrate 1.51 through an insulator, a cathode needle (not shown in the figure) fixed to the cathode frame 1.53 and inserted into the center of the anode cylinder 1.52 at one end, and side plates 1.54 connected to both ends of the anode substrate 1.51. A sealing plate 1.12 is provided inside the electric control box, and the side of the honeycomb electric field abuts against the sealing plate 1.12. After the honeycomb electric field is installed, the side plate of the honeycomb electric field is attached to the sealing plate 1.12. That is, the anode substrate 1.51 at the lower end of the honeycomb electric field is connected to the connecting member 1.6, and the edge of the anode substrate 1.51 connected to the connecting member 1.6 abuts against the bottom surface of the electric control box 1.4. An air outlet 1.3 is provided on the top surface of the purification box 1.1, and the lower end of the honeycomb electric field is directly communicated with the hood 1.2.

[0061] Preferably, the upper end of the sealing plate 1.12 is provided with a folded edge, and the top surface of the anode substrate 1.51 at the upper end of the honeycomb electric field abuts against the folded edge of the sealing plate 1.12 to realize the sealing between the honeycomb electric field and the sealing plate, so that all the gases to be purified pass through the inside of the honeycomb electric field.

[0062] In a preferred embodiment, there are two groups of electrostatic fields, and two through holes 1.7 are correspondingly provided on the bottom surface of the purification box 1.1.

[0063] In a preferred embodiment, a sealing ring is provided on the folded edge at the upper end of the sealing plate 1.10. The sealing ring can be made of rubber or silica gel material to ensure the sealed connection between the sealing plate and the honeycomb electric field. Since the sealing ring has a certain shrinkage ability, when disassembling and assembling with special tools, the purification unit 1.5 can be lifted slightly by the lifting structure to facilitate the rotation of the connecting piece 1.61.

[0064] The bottom surface of the purification box 1.1 is provided with a lifting ring 1.9 for lifting special tools. The lifting ring 1.9 can also be fixed on one side of the through hole 1.7, and a long strip-shaped buckle groove 1.8 is provided on the side opposite to the side where the lifting ring 1.9 is provided. During use, the special tool is connected to the lifting ring 1.9 and the long strip-shaped buckle groove 1.8. Preferably, the bracket of the purification box 1.1 is made of square tubes, and the long strip-shaped buckle groove 1.8 is provided on the square tubes. Therefore, after the long strip-shaped buckle groove 1.8 is provided, the long strip-shaped buckle groove 1.8 will not communicate with the inside of the purification box 1.1 either.

[0065] Refer to Figure 12 and Figure 16 In the above, the thimble 2 includes a base 2.1, an elastic element 2.2 and a thimble cap 2.3. The base 2.1, the elastic element 2.2 and the thimble cap 2.3 are all made of conductive materials. One end of the elastic element 2.2 is fixedly connected to an end face of the base 2.1, and the other end of the elastic element 2.2 is fixedly connected to the thimble cap 2.3. And the elastic element 2.2 can be bent when stressed, and the elastic element 2.2 can reset after the external force disappears, that is, return to the straight state. Specifically, the base 2.1 is used to connect to the power supply of the air purification and is fixed to the insulator. The insulator is used to fix the power supply to prevent the power supply from contacting the outer shell of the air purifier. The thimble cap 2.3 is used to abut against the cathode frame, and the elastic element 2.2 is used to connect the base 2.1 and the thimble cap 2.3. Therefore, the electrical connection between the power supply and the cathode frame is realized.

[0066] In practical applications, the elastic element 2.2 and the base 2.1, and the elastic element 2.2 and the thimble cap 2.3 can also be rotatably connected.

[0067] When the above-mentioned laterally used thimble 2 is in use, the cathode frame abuts against the side surface of the thimble cap 2.3, and the bendability of the elastic element 2.2 can eliminate the distance error between the positions of the cathode frame and the power supply. And under the action of the restoring force of the elastic element 2.2, the thimble cap 2.3 and the cathode frame are in better contact.

[0068] In a preferred embodiment, the elastic element 2.2 is a spring.

[0069] In a preferred embodiment, the base 2.1 is in a sleeve shape, and the base 2.1 and the spring, and the thimble cap 2.3 and the spring are both fixedly connected by screws 2.4. Among them, setting the base 2.1 in a sleeve shape facilitates the installation of the screw 2.4 for connecting the base 2.1 and the spring, that is, the nut end of the screw 2.4 can be placed inside the base 2.1, and the screw end of the screw 2.4 extends outside the base 2.1 and is threadedly connected to the spring, realizing the connection of the screw 2.4 between the base 2.1 and the spring. The thimble cap 2.3 is provided with a central through hole, and the screw 2.4 passes through the central through hole and is connected to the spring.

[0070] Refer to Figure 13 , in a preferred embodiment, the outer diameter of the screw 2.4 is set to match the inner diameter of the spring, that is, the thread of the screw 2.4 is set to match the inner wall of the spring. Since the inner wall of the spring is also threaded, the screw 2.4 is fixedly connected to the spring by connecting the inner wall of the spring with the thread of the screw 2.4, without the need for additional connecting parts and with convenient connection.

[0071] Refer to Figure 14 , in a preferred embodiment, inner threaded sleeves 2.5 are fixed at both ends of the spring, and the screw 2.4 is fixed on the inner threaded sleeves 2.5. In this embodiment, the inner threaded sleeves 2.5 are welded inside the spring, and the screw 2.4 is threadedly connected to the inner threaded sleeves 2.5 to achieve the fixed connection between the spring and the screw 2.4.

[0072] In a preferred embodiment, the pitch in the middle of the spring is greater than the diameter of the spring wire, so that the spring has a certain compression capacity, and the thimble can also be installed like the existing thimble. That is, after installation, the spring contracts under axial pressure to eliminate the distance error between the cathode holder and the power supply position.

[0073] In the above structure, the elastic element 2.2 can also be an elastic steel sheet. The elastic steel sheet means that the steel sheet has a certain bending ability. When subjected to pressure, the steel sheet bends to eliminate the distance error between the cathode holder and the power supply position, and the steel sheet can return to the straight state after the pressure is removed.

[0074] Refer to Figure 15 , in an embodiment, the thimble cap 2.3 is circular, and a number of small teeth are evenly distributed on its edge.

[0075] Refer to Figure 16 , in an embodiment, in order for the thimble cap 2.3 to better contact the cathode holder, the thimble cap 2.3 can be set to a conical shape, and a number of small teeth are evenly distributed on its edge.

[0076] Refer to Figure 9 and Figure 10 , a special disassembly and assembly tool for a hood type oil fume purifier, including a bracket 3.1 and a lifting structure 3.5 fixed in the middle of the bracket 3.1. The bracket 3.1 is provided with frames 3.2 on both sides of the lifting structure 3.5. One side of the upper end of the frame 3.2 is provided with a first connecting member, and the upper end of the frame 3.2 is provided with a second connecting member on the side far from the bolt 3.4. The first connecting member and the second connecting member can be fixedly connected to the bottom surface of the purification box 1.1 by buckling or screw connection.

[0077] Specifically, the first connecting member is preferably a horizontally arranged bolt 3.4, and the second connecting member is preferably a vertically arranged quick lock 3.3. Among them, the lifting structure 3.5 is used to support the purification unit 1.5 of the hood type oil fume purifier, and the bolt 3.4 and the quick lock 3.3 are used to install the special disassembly and assembly tool on the hood type oil fume purifier. During use, the bolt 3.4 is buckled on the lifting ring 1.9 at the bottom of the purification box 1.1, and the quick lock 3.3 is buckled with the long strip-shaped buckle groove 1.8 at the bottom of the purification box 1.1, so as to quickly install the special disassembly and assembly tool on the bottom of the hood type oil fume purifier and achieve positioning.

[0078] Refer to Figure 11 , among which, the quick lock 3.3 includes a connecting rod 3.34, a first connecting seat 3.37 and a second connecting seat 3.32. The first connecting seat 3.37 and the second connecting seat 3.32 are fixed on the side of the frame 3.2. The second connecting seat 3.32 is placed above the first connecting seat 3.37. The connecting rod 3.34 is vertically arranged and slidably connected to the first connecting seat 3.37 and the second connecting seat 3.32. The connecting rod 3.34 is provided with a first limiting member 3.38 below the first connecting seat 3.37, and the connecting rod 3.34 is provided with a second limiting member 3.31 above the second connecting seat 3.32; the distance between the first limiting member 3.38 and the second limiting member 3.31 is greater than the distance between the first connecting seat 3.37 and the second connecting seat 3.32.

[0079] In the above structure, during use, first buckle the bolt 3.4 on the lifting ring 1.9 at the bottom of the purification box 1.1, then push the connecting rod 3.34 upward, and make the second limiting member 3.31 pass through the long strip-shaped buckle groove 1.8, and then rotate the connecting rod 3.34 so that the second limiting member 3.31 is stuck on the long strip-shaped buckle groove 1.8, and the first limiting member 3.38 abuts against the lower part of the first connecting seat 3.37, so as to fix the special disassembly and assembly tool. Then, drive the lifting structure 3.5 to support the purification unit 1.5 and realize the disassembly and assembly work of the purification unit 1.5.

[0080] In the above, the position of the second limiting member 3.31 and the long strip-shaped buckle groove 1.8 are arranged in cooperation. Therefore, when the bolt 3.4 is buckled on the lifting ring 1.9 at the bottom of the purification box 1.1 and the second limiting member 3.31 is stuck on the long strip-shaped buckle groove 1.8, the special disassembly and assembly tool is fixed, and at the same time, the positioning of the special disassembly and assembly tool relative to the hood type oil fume purifier is realized.

[0081] In a preferred embodiment, a third limiting member 3.35 is further provided between the first connecting seat 3.37 and the second connecting seat 3.32 of the connecting rod 3.34, and an elastic member 3.36 is sleeved between the third limiting member 3.35 and the first connecting seat 3.37 of the connecting rod 3.34. The elastic member 3.36 is used to overcome the gravity of the connecting rod 3.34 to make it in an upward state, and it can be a compression spring. That is, when in use, only the second limiting member 3.31 needs to be rotated to the position where the long strip-shaped buckle groove 1.8 is configured, and the connecting rod 3.34 is jacked up under the action of the elastic member 3.36, so that the second limiting member 3.31 is automatically inserted into the long strip-shaped buckle groove 1.8, making it more convenient and rapid to fix the special disassembly and assembly tool on the hood type oil fume purifier.

[0082] In a preferred embodiment, a fourth limiting member 3.33 is further provided between the first connecting seat 3.37 and the second connecting seat 3.32 of the connecting rod 3.34 and above the third limiting member 3.35. The distance between the fourth limiting member 3.33 and the first limiting member 3.38 is equal to the distance between the first connecting seat 3.37 and the second connecting seat 3.32. After the special disassembly and assembly tool is fixed on the hood type oil fume purifier, the first limiting member 3.38 abuts against the lower part of the first connecting seat 3.37, and at the same time, the fourth limiting member 3.33 also abuts against the lower part of the second connecting seat 3.32, reducing the force on the first limiting member 3.38.

[0083] In a preferred embodiment, the first limiting member 3.38, the third limiting member 3.35 and the fourth limiting member 3.33 are circular rings welded on the connecting rod 3.34, and the second limiting member 3.31 is a horizontally arranged pin, and the pin is fixed at the upper end of the connecting rod 3.34.

[0084] In a preferred embodiment, the first limiting member 3.38, the second limiting member 3.31, the third limiting member 3.35 and the fourth limiting member 3.33 are horizontally arranged pins, and the pins are fixedly connected to the connecting rod 3.34.

[0085] In a preferred embodiment, in order to facilitate the rotation of the connecting rod 3.34, a handle 3.39 is fixedly connected to the lower end of the connecting rod 3.34.

[0086] Refer to Figure 9 and Figure 10 In the above, the frame 3.2 includes four columns 3.21 fixed at the four corners of the bracket 3.1 and a cross beam 3.22 connected to the upper ends of the columns 3.21. The plug pin 3.4 and the quick locking member 3.3 are fixed on the columns 3.21. Through the setting of the cross beam 3.22, the stability of the columns 3.21 is improved. Preferably, the distance between the cross beam 3.22 and the bracket 3.1 is greater than the height of the purification unit 1.5, so that the cross beam 3.22 does not affect the removal of the purification unit 1.5 from the lifting structure 3.5.

[0087] Reference Figure 9 , preferably, the lifting structure 3.5 is an electric lifting platform. A positioning member 3.6 is provided on the top surface of the lifting structure 3.5. The positioning member 3.6 can be a positioning column. A positioning groove for cooperating with the positioning column is provided on the bottom surface of the purification unit 1.5. During use, the positioning column is inserted into the positioning groove. Preferably, in order to facilitate the cooperation between the positioning column and the positioning groove, the positioning column is conical in shape.

[0088] Reference Figure 10 , the positioning member 3.6 can also be a positioning block, and the positioning block cooperates with the side surface of the purification unit 1.5. In this embodiment, the area of the lifting structure 3.5 in the top view direction is smaller than the area of the purification unit 1.5, so as not to affect the connection between the connecting member and the purification unit 1.5.

[0089] A method for disassembling and assembling the purification unit of the above-mentioned hood-type oil fume purifier includes the following steps:

[0090] When installing the purification unit: Fix the special disassembly and assembly tool on the bottom surface of the purification box of the hood-type oil fume purifier; Lower the lifting structure on the special disassembly and assembly tool to the lowest position, and rotate the connecting member to the outside of the through hole; Place the purification unit on the lifting platform of the lifting structure; Drive the lifting structure to rise, so that the purification unit passes through the through hole and is placed inside the purification box; Rotate the connecting member so that one end of the connecting member abuts against the bottom surface of the purification unit; Drive the lifting structure to lower, and remove the special disassembly and assembly tool from the bottom surface of the purification box of the hood-type oil fume purifier to complete the installation of the purification unit.

[0091] When disassembling the purification unit: Fix the special disassembly and assembly tool on the bottom surface of the purification box of the hood-type oil fume purifier; Drive the lifting platform of the lifting structure to rise and abut against the bottom surface of the purification unit; Rotate the connecting member to the outside of the through hole; Drive the lifting structure to lower, so that the purification unit is drawn out from the through hole; Drive the lifting platform of the lifting structure to lower to the lowest position, and remove the purification unit from the lifting platform of the lifting structure; Remove the special disassembly and assembly tool from the bottom surface of the purification box of the hood-type oil fume purifier to complete the disassembly of the purification unit.

[0092] In the present invention, the hood-type oil fume purifier mainly consists of a hood and a purification box. A through hole is provided on the bottom surface of the purification box, and a connecting member is provided on the edge of the through hole. When installing the purification unit, it passes through the through hole from bottom to top and is placed inside the purification box, so that when disassembling and assembling the purification unit, a special lifting device is used to support the purification unit, and then the connecting member is separated from the purification unit, and then the lifting device is used to realize the lifting of the purification unit, thereby making the disassembly and assembly of the purification unit convenient.

[0093] The connecting member includes a connecting piece and a beaded screw. The beaded screw includes an installation sleeve 1.66, a spring 1.64 disposed inside the installation sleeve 1.66, and a ball 1.62. The connecting piece 1.61 is provided with a notch 1.63 corresponding to the position of the ball 1.62. When the connecting piece 1.61 is in contact with the purification unit 1.5, the ball 1.62 is stuck in the notch 1.63. Therefore, during use, after installing the purification unit 1.5, it is only necessary to manually rotate the connecting piece 1.61 and place one end of the connecting piece 1.61 below the purification unit 1.5, without the need for additional fixation, which is convenient and simple.

[0094] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0095] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "install", "connect", and "couple" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a connection that can communicate with each other; it can be a direct connection, or an indirect connection through an intermediate medium, and can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0096] It can be understood that for those of ordinary skill in the art, equivalent substitutions or changes can be made according to the technical solutions and inventive concepts of the present invention, and all such changes or substitutions should fall within the protection scope of the present invention.

Claims

1. A disassembly and assembly method for a purification unit of a smoke hood type oil fume purifier, characterized in that, It includes an oil fume purifier, which comprises a purification box and a smoke hood fixed to the bottom surface of the purification box. A purification unit is provided inside the purification box, and a through hole communicating with the smoke hood is provided below the purification unit in the purification box. It is characterized in that the purification unit passes upward through the through hole and is placed inside the purification box. A connecting member is connected to the bottom surface of the purification box and at the edge of the through hole, and the purification unit is fixed to the connecting member; A lifting ring is provided on one side of the through hole on the bottom surface of the purification box, and a long strip-shaped buckle groove is provided on the side opposite to the side where the lifting ring is provided; It also includes the following steps when disassembling the purification unit: Fix the special disassembly and assembly tool to the bottom surface of the purification box of the hood type oil fume purifier; the special disassembly and assembly tool includes a bracket and a lifting structure fixed in the middle of the bracket. The bracket is provided with frames on both sides of the lifting structure. One side of the upper end of the frame is provided with a first connecting member, and the upper end of the frame is provided with a second connecting member on the side far from the bolt. The first connecting member and the second connecting member are fixedly connected to the bottom surface of the purification box by buckling or screwing; the first connecting member is a horizontally arranged bolt, and the second connecting member is a vertically arranged quick lock; the lifting structure is used to support the purification unit of the hood type oil fume purifier, and the bolt and the quick lock are used to install the special disassembly and assembly tool on the hood type oil fume purifier; when in use, the bolt is buckled on the lifting ring on the bottom surface of the purification box, and the quick lock is buckled with the long strip-shaped buckle groove on the bottom surface of the purification box, so as to quickly install the special disassembly and assembly tool on the bottom surface of the hood type oil fume purifier and achieve positioning; Drive the lifting platform of the lifting structure to rise and abut against the bottom surface of the purification unit; Rotate the connecting member to the outside of the through hole; Drive the lifting structure to descend so that the purification unit is drawn out from the through hole; Drive the lifting platform of the lifting structure to descend to the lowest position, and remove the purification unit from the lifting platform of the lifting structure; Remove the special disassembly and assembly tool from the bottom surface of the purification box of the hood type oil fume purifier to complete the disassembly of the purification unit.

2. The disassembly and assembly method for a purification unit of a smoke hood type oil fume purifier according to claim 1, characterized in that, The connecting member includes a connecting piece. One end of the connecting piece is rotatably connected to the bottom surface of the purification box, and the other end abuts against the bottom surface of the purification unit.

3. The disassembly and assembly method for a purification unit of a smoke hood type oil fume purifier according to claim 2, characterized in that, The connecting member further includes a ball screw placed on one side of the connecting piece. The ball screw includes a mounting sleeve vertically fixed to the bottom surface of the purification box, a spring and a ball placed inside the mounting sleeve, and the ball is placed below the spring. A notch is provided on the connecting piece corresponding to the position of the ball. When the connecting piece is in the position abutting against the purification unit, the ball is stuck in the notch.

4. The disassembly and assembly method for a purification unit of a smoke hood type oil fume purifier according to claim 3, characterized in that, An adjusting screw is provided at one end of the mounting sleeve far from the ball.

5. The disassembly and assembly method for a purification unit of a smoke hood type oil fume purifier according to claim 1, characterized in that, The purification unit is an electrostatic field. A thimble connected to the cathode frame of the electrostatic field is provided at the upper end of the purification box corresponding to the through hole. An electric control box is fixed to the front of the purification box, and the thimble passes through the purification box and is connected to the power supply inside the electric control box.

6. The disassembly and assembly method for a purification unit of a smoke hood type oil fume purifier according to claim 5, characterized in that, The electrostatic field is horizontally arranged, and a baffle is fixed below the electrostatic field. The baffle is connected to the connecting member and abuts against the bottom surface of the purification box. The electrostatic field is placed in the middle of the purification box, and an air inlet communicating with the smoke hood is provided at one end of the purification box, and an air outlet is provided at the other end.

7. The disassembly and assembly method for a purification unit of a smoke hood type oil fume purifier according to claim 5, characterized in that, The electrostatic field is a honeycomb type electric field. The honeycomb type electric field is vertically arranged. The anode substrate provided at the lower end of the honeycomb type electric field is connected to the connecting member, and a sealing plate is provided inside the electric control box. The side of the honeycomb type electric field abuts against the sealing plate, and an air outlet is provided on the top surface of the purification box.

8. The disassembly and assembly method for a purification unit of a smoke hood type oil fume purifier according to claim 5, characterized in that, The electrostatic electric field is divided into two groups, and two through holes are correspondingly arranged on the bottom surface of the purification box.

9. The disassembly and assembly method for a purification unit of a smoke hood type oil fume purifier according to claim 5, characterized in that, The ejector pin comprises a base, an elastic element and an ejector pin cap, one end of the elastic element is fixedly connected to an end surface of the base, and the other end of the elastic element is fixedly connected to the ejector pin cap. The elastic element can bend when subjected to force, and can be reset after the external force disappears.

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