Automatic cleaning system for electric field of cooking fume purifier

Abstract

The invention relates to the technical field of kitchen appliances, in particular to an automatic electric field cleaning system for a catering oil fume purifier, which comprises a vertical rod mounted in the opening side of an electric field, a sleeve rotationally connected to the upper end of the vertical rod and a driving assembly mounted at the upper end of the vertical rod, and a mounting plate fixedly connected to the front end of the sleeve. Two cleaning assemblies are rotationally connected to the two sides of the mounting plate; according to the electric pole piece cleaning device, the two circumferentially-rotating cleaning assemblies are adopted to conduct steam spraying cleaning on the interior of the electric field, oil particles can be effectively removed from the pole piece, meanwhile, by means of the rotary cleaning mode, the cleaning comprehensiveness can be improved, the capacity of removing oil stains on the pole piece can be effectively improved, the cleaning effect is improved, and the cleaning efficiency is improved. In addition, the cleaning assembly adopts the structural design of rotatable storage, so that the transverse stress of the whole cleaning assembly can be reduced in a non-working state, the problem of bending deformation is avoided, and the durability of the cleaning assembly is synchronously improved.

Description

Technical Field

[0001] The present invention relates to the technical field of kitchen appliances, and particularly to an automatic cleaning system for the electric field of a catering oil fume purifier. Background Art

[0002] In the field of oil fume purification, electrostatic oil fume removal devices are widely used due to their high efficiency and environmental protection characteristics. These devices usually include a high-voltage area and a low-voltage area. The high-voltage area is responsible for ionizing oil fume molecules to make them charged, while the low-voltage area is responsible for adsorbing and collecting these charged oil fume molecules. However, with the extension of the use time, a large amount of oil stains and dust will accumulate on the inner wall of the electric field channel and the pole pieces inside the device, which seriously affects the oil fume removal effect; therefore, regular cleaning and maintenance have become the key to ensuring the efficient operation of these devices.

[0003] Currently, some automatic cleaning systems are installed inside electrostatic oil fume removal devices, and these systems usually carry out spray cleaning by introducing high-pressure steam; however, most of the existing cleaning devices adopt a fixed structure, which not only limits the cleaning range but also makes it difficult to thoroughly clean the inside of the pole pieces.

[0004] Therefore, in order to improve the cleaning efficiency and reliability of electrostatic oil fume removal devices, we propose an automatic cleaning system for the electric field of a catering oil fume purifier. Summary of the Invention

[0005] The purpose of the present invention is to solve the disadvantages in the prior art that most cleaning devices adopt a fixed structure, which limits the cleaning range and makes it difficult to thoroughly clean the inside of the pole pieces, and to propose an automatic cleaning system for the electric field of a catering oil fume purifier.

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

[0007] Design an automatic cleaning system for the electric field of a catering oil fume purifier, including:

[0008] A vertical rod installed inside the opening side of the electric field. At the upper end of the vertical rod, a sleeve is rotatably connected and a driving component is installed. The front end of the sleeve is fixedly connected with a mounting plate, and two cleaning components are rotatably connected on both sides of the mounting plate;

[0009] Among them, the sleeve is power-connected to the driving component through a coupling component, and the coupling component is also provided with a locking component for locking the position of the cleaning component.

[0010] Further, the coupling component includes a pull rod passing through the inside of the sleeve, and coupling parts for power transmission are installed on both the pull rod and the output end of the driving component;

[0011] A guide groove is provided on the outer side of the sleeve, and a shaft rod that slides in the guide groove is fixedly installed on the outer side of the pull rod.

[0012] Furthermore, the driving assembly includes a bracket fixed to the upper end of the vertical rod and a motor fixed to the upper end of the bracket;

[0013] The two coupling members are concentrically arranged, and one of the coupling members is fixed to the shaft end of the motor.

[0014] Furthermore, the coupling assembly further includes:

[0015] A pull ring sleeved on the outer side of the sleeve and a pulling member fixed to the upper end of the vertical rod, the shaft end of the pulling member is fixed to the pull ring, and at least a part of the pull ring stops the shaft rod.

[0016] Furthermore, the cleaning assembly includes a pipe fitting rotatably connected to the mounting plate and a plurality of spray head assemblies distributed on the pipe fitting;

[0017] Wherein the pipe fitting has a connection end, the mounting plate has a stop wing that stops the connection end, the connection end is pivotally connected to the mounting plate by a pin, and a card hole is further provided on the end face of the connection end.

[0018] Furthermore, the locking assembly includes a pressing plate;

[0019] One end of the pull rod penetrates and extends to the outside of the mounting plate and is fixedly connected to the pressing plate. On both sides of the front end of the pressing plate, two locking rods are movably connected by springs. The locking rods are inserted and positioned with the card holes, and a compression spring is also connected between the pressing plate and the mounting plate;

[0020] Wherein, guiding inclined surfaces are provided on both sides of the connection end located in the card hole, and the locking rods enter the card holes along the guiding inclined surfaces.

[0021] Furthermore, the spray head assembly includes a surface area cleaning structure and a cycloid cleaning structure;

[0022] Both the surface area cleaning structure and the cycloid cleaning structure are in pipeline communication with the pipe fitting.

[0023] Furthermore, the surface area cleaning structure includes a connection part for connecting the pipe fitting and a plurality of conduits connected to the connection part;

[0024] Wherein, a ring-shaped spray pipe is commonly connected between the ends of the plurality of conduits.

[0025] Further, the cycloid cleaning structure includes a central pipe communicating with the other end of the connecting part. An installation box is rotatably connected to the distal end of the central pipe. A gravity ball is arranged at the bottom of the installation box. The installation box is located between a plurality of the conduits. Wherein, two impellers are rotatably connected inside the installation box, and a guide vane is fixedly installed at the inlet inside the installation box;

[0026] Two sliding grooves are formed at the front end of the installation box, and a swing plate for closing the sliding grooves is slidably connected inside the installation box. Through holes are formed on the end face of the swing plate, and a reciprocating structure is arranged between the swing plate and the impeller.

[0027] Further, the reciprocating structure includes a turntable fixedly connected to the shaft rod of the impeller. A driving shaft is eccentrically installed at the upper end of the turntable. Wherein, a bent part is arranged at the upper end of the swing plate, and a guiding waist-shaped groove is formed on the end face of the bent part. The driving shaft is slidably connected inside the guiding waist-shaped groove.

[0028] An automatic cleaning system for the electric field of a catering oil fume purifier proposed by the present invention has the beneficial effects that: in the present invention, two circumferentially rotating cleaning components are adopted to spray steam to clean the inside of the electric field, which can effectively remove oil particles from the pole pieces. At the same time, this rotary cleaning method can improve the comprehensiveness of cleaning, effectively improve the ability to remove oil stains on the pole pieces, and improve the cleaning effect. In addition, the cleaning components adopt a rotatable and retractable structural design. In the non-working state, the lateral force on the whole cleaning component can be reduced to avoid the problem of bending deformation, thereby synchronously improving its durability. Description of the Drawings

[0029] Figure 1 It is a schematic diagram of the electric field structure of the present invention;

[0030] Figure 2 It is a cross-sectional view of the electric field of the present invention;

[0031] Figure 3 It is a schematic diagram of the vertical rod structure of the present invention;

[0032] Figure 4 It is a schematic diagram of the cleaning component structure of the present invention;

[0033] Figure 5 It is Figure 4 an enlarged structural schematic diagram of area A of;

[0034] Figure 6 It is a schematic diagram of the mounting plate structure of the present invention;

[0035] Figure 7 It is a front view of the vertical rod of the present invention;

[0036] Figure 8Schematic diagram of the locking state when the pipe fitting and the locking component of the present invention rotate;

[0037] Figure 9 Schematic diagram of the pipe fitting structure of the present invention

[0038] Figure 10 Schematic diagram of the spray head assembly structure of the present invention

[0039] Figure 11 Schematic diagram of the cycloid cleaning structure of the present invention;

[0040] Figure 12 Schematic diagram of the reciprocating structure of the present invention;

[0041] Figure 13 Schematic diagram of the spraying trajectory structure of the spray head assembly of the present invention.

[0042] In the figure: 1, electric field; 2, vertical rod; 3, sleeve; 31, guide groove; 4, drive assembly; 41, bracket; 42, motor; 5, mounting plate; 51, stop wing; 6, cleaning assembly; 61, pipe fitting; 62, connection end; 63, card hole; 64, guiding inclined surface; 64, guiding inclined surface; 7, coupling assembly; 71, pull rod; 72, coupling piece; 73, shaft rod; 74, pull ring; 75, pulling piece; 8, locking assembly; 81, pressing plate; 82, spring; 83, locking rod; 84, compression spring; 9, spray head assembly; 91, surface area cleaning structure; 911, connecting portion; 912, conduit; 913, annular spray pipe; 92, cycloid cleaning structure; 920, central pipe; 921, mounting box; 922, gravity ball; 923, impeller; 924, guide plate; 925, slideway; 926, swing plate; 9261, bent portion; 9262, guiding waist groove; 927, through hole; 928, reciprocating structure; 9281, turntable; 9282, drive shaft. Detailed implementation manners

[0043] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0044] Refer to Figures 1-13 One embodiment of the present invention discloses an automatic cleaning system for the electric field of a catering fume purifier. This cleaning system is mainly used to solve the problems that the current cleaning device is installed in a fixed structure, resulting in a limited cleaning area and the inability to clean the inside of the electrode plate well;

[0045] Refer to Figure 1 、 Figure 2Specifically, the cleaning system includes a pole 2 installed inside the opening side of the electric field 1. In this embodiment, one pole 2 is used as an example. Of course, those skilled in the art know that a pole 2 can be installed on both sides of the opening of the electric field 1. The structure on the pole 2 is the same. For details, please refer to the description of the following structure. The method of connecting the cleaning assembly 6 with two poles 2 can be used to clean both the entrance and exit of the electric field to optimize the cleaning effect of the inside of the electric field 1.

[0046] Reference Figure 2 , Figure 3 , Figure 7 Specifically, a sleeve 3 is rotatably connected to the upper end of the vertical rod 2 and a driving assembly 4 is installed. The front end of the sleeve 3 is fixedly connected to a mounting plate 5. Two cleaning assemblies 6 are rotatably connected to both sides of the mounting plate 5.

[0047] The sleeve 3 is dynamically connected to the driving assembly 4 via a coupling assembly 7 , and the coupling assembly 7 also has a locking assembly 8 for locking the cleaning assembly 6 in position.

[0048] Reference Figure 5 In some embodiments, the coupling assembly 7 of the present invention includes a pull rod 71 passing through the inside of the sleeve 3. Preferably, the pull rod 71 can be set as a rectangular rod. Of course, the inside of the sleeve 3 should be set as a rectangular hole. The purpose of using a rectangular structure is to enhance the circumferential locking force between the pull rod 71 and the sleeve 3. A coupling member 72 for power transmission is installed on the pull rod 71 and the output end of the drive assembly 4;

[0049] The coupling member 72 described in this embodiment can be set as a friction plate, and the axial connection between the pull rod 71 and the driving assembly 4 can be achieved through the contact between the two friction plates. Of course, in other embodiments, the coupling member 72 can also be set as a chuck with protrusions distributed on the circumference, and the two chucks are connected by the protrusions to achieve the effect of axial power transmission. This type of connection method is a conventional means for technicians in the relevant field and will not be described in detail here.

[0050] Reference Figure 5 A guide groove 31 is provided on the outer side of the sleeve 3, and a shaft rod 73 sliding in the guide groove 31 is fixedly installed on the outer side of the pull rod 71. That is, in this embodiment, the shaft rod 73 can be moved to drive the entire pull rod 71 to move linearly. When the pull rod 71 moves to the point where the two coupling members 72 are in contact for transmission, the power transmission between the sleeve 3 and the drive assembly 4 can be completed.

[0051] Reference Figure 4 , Figure 5, specifically, in this embodiment, the driving component 4 includes a bracket 41 fixed to the upper end of the vertical rod 2 and a motor 42 fixed to the upper end of the bracket 41;

[0052] The two coupling members 72 are concentrically arranged, and one of the coupling members 72 is fixed to the shaft end of the motor 42.

[0053] Referring to Figure 4 , Figure 5 , on the basis of the above embodiment, the coupling assembly 7 in this embodiment further includes:

[0054] A pull ring 74 sleeved on the outer side of the sleeve 3 and a pulling member 75 fixed to the upper end of the vertical rod 2. In this embodiment, the pulling member 75 can be set as an electric push rod. The shaft end of the pulling member 75 is fixed to the pull ring 74, and at least a part of the pull ring 74 stops the shaft rod 73.

[0055] That is, during actual operation, the pull ring 74 can be pulled by the pulling member 75 to move linearly, and the shaft rod 73 is moved by the contact of the pull ring 74. In this way, the pull rod 71 can be driven to move horizontally, so that the coupling member 72 at the end of the pull rod 71 is connected to the coupling member 72 at the shaft end of the driving component 4 to complete the power connection;

[0056] Conversely, when the electric push rod resets, the pull rod 71 moves back and the two coupling members 72 are separated. At this time, the contact power connection is disconnected, and the entire sleeve 3 can be in a free rotation state. The design purpose of adopting this structure is to realize the automatic folding and storage of the cleaning component 6 to reduce the problem of lateral force. Its specific structure and principle will be described in detail later, and will not be elaborated here.

[0057] Referring to Figure 5 , in some embodiments, the cleaning component 6 in the present invention includes a pipe fitting 61 rotatably connected to the mounting plate 5 and a plurality of spray head assemblies 9 distributed on the pipe fitting 61. The plurality of spray head assemblies 9 are linearly arranged, and the spraying ends all face the inside of the electric field 1;

[0058] Of course, the spray head assembly 9 and the pipe fitting 61 in this embodiment should be connected to each other to facilitate the introduction of the cleaning medium. The cleaning medium in this embodiment can be high-temperature steam. In addition, in order to adapt to the rotational movement of the pipe fitting 61, a rotary joint can be installed on the outer side of the sleeve 3 in this embodiment. One end of the rotary structure is connected to the supply device, and the other end is connected to the pipe fitting 61 through a hose. The purpose of the hose design is to adapt to the rotational storage movement of the pipe fitting 61, so as to ensure the stable supply of the medium to each spray head assembly 9;

[0059] Referring to Figure 3 , Figure 5, wherein the pipe fitting 61 has a connecting end 62, and the mounting plate 5 has a stop wing 51 for stopping the connecting end 62. Specifically, the mounting plate 5 in this embodiment is an L-shaped structure as a whole, and the stop wing 51 is formed on one side thereof to stop the rotation of the connecting end 62; of course, the connecting end 62 should be solid, and the connecting end 62 and the mounting plate 5 are pin-connected for rotation, and a clamping hole 63 is also provided on the end surface of the connecting end 62.

[0060] Reference Figure 3 , Figure 5 , Figure 6 , based on the above embodiment, the locking assembly 8 in the present invention includes a pressing plate 81;

[0061] One end of the pull rod 71 passes through and extends to the outside of the mounting plate 5, and is fixedly connected to the pressing plate 81. Two locking rods 83 are movably connected to both sides of the front end of the pressing plate 81 through springs 82. The locking rods 83 and the clamping holes 63 are plugged and positioned. A compression spring 84 is also connected between the pressing plate 81 and the mounting plate 5.

[0062] The connecting end 62 is further provided with guiding inclined surfaces 64 on both sides of the locking hole 63 , and the locking rod 83 enters the locking hole 63 along the guiding inclined surfaces 64 .

[0063] Specifically, in the initial state, the coupling member 72 between the pull rod 71 and the driving assembly 4 is separated, and the sleeve 3 is in a free state. At the same time, the pull rod 71 drives the pressing plate 81 to move outward, and the two pipes 61 are in a downward vertical state. Since the force is downward in the vertical downward state, the problem of bending of the pipe 61 due to lateral force can be avoided.

[0064] During the cleaning operation, the pulling member 75 first pulls the pull ring 74 to move horizontally. At this time, the pull ring 74 moves horizontally against the entire pull rod 71 through the shaft 73. When the coupling member 72 at the end of the pull rod 71 is connected with the coupling member 72 on the output end of the driving assembly 4, the power connection is completed;

[0065] The drive assembly 4 is turned on, and the drive assembly 4 drives the entire pull rod 71 to rotate to synchronously drive the sleeve 3 to rotate circumferentially. At this time, the mounting plate 5 synchronously drives the two pipe fittings 61 to rotate. Figure 8 When the pipe 61 rotates, its distal end first faces downward. When the mounting plate 5 rotates 90 degrees, the stop wing 51 on one side of the mounting plate 5 will first be limited to a connecting end 62 of the pipe 61. At this time, the locking rod 83, pushed by the spring 82, will be clamped into the clamping hole 63 of the connecting end 62 along the guide slope 64, and the connecting end 62 is horizontally connected and positioned;

[0066] Reference Figure 8, when the mounting plate 5 continues to rotate, the other pipe fitting 61 remains in a free state. When the mounting plate 5 rotates more than 180 degrees, the other pipe fitting 61 begins to flip under the action of the inclination angle and until it touches another stop wing 51 of the mounting plate 5. At this time, the locking rod 83 is pushed by the spring 82 and will be clamped into the card hole 63 of the connection end 62 along the guiding inclined surface 64 to horizontally connect and position the connection end 62. In this state, the two pipe fittings 61 are horizontally positioned in a straight line state. When the mounting plate 5 continues to rotate, the two pipe fittings 61 enter a straight-line rotation state and drive the spray head assembly 9 to form a rotary spraying cleaning operation inside the electric field, so as to optimize the cleaning effect inside the electric field 1.

[0067] It should be noted that after the cleaning operation is completed, since the two pipe fittings 61 still remain in a horizontal and straight state at this time, in order to reduce the lateral force on the pipe fittings 61 to avoid bending problems, the electric push rod can be reset first. At this time, the two coupling parts 72 are separated, and at the same time the pull rod 71 retracts backward and resets;

[0068] At this time, the mounting plate 5 moves backward following the pull rod 71 to drive the locking rod 83 at its side end to separate from the card hole 63 on the connection end 62. At this time, the sleeve 3 is in a free state, and at the same time the two pipe fittings 61 are in a free state. Therefore, the two pipe fittings 61 automatically swing downward under the action of gravity for storage to form a downward vertical placement state.

[0069] It should be noted that when the machine stops, the stop wing 51 of the mounting plate 5 should be controlled to be on the upper side to ensure that the pipe fittings 61 on both sides can swing freely for storage.

[0070] Refer to Figure 9 , in some embodiments, the spray head assembly 9 in the present invention includes a surface area cleaning structure 91 and a cycloidal cleaning structure 92;

[0071] Both the surface area cleaning structure 91 and the cycloidal cleaning structure 92 are in pipeline communication with the pipe fitting 61.

[0072] That is, in the present invention, the surface area cleaning structure 91 and the cycloidal cleaning structure 92 are provided to optimize the cleaning effect between the pole pieces of the electric field 1. Since the rotary cleaning method is adopted in the present invention, the surface area cleaning structure 91 can perform surface area spraying to clean the pole pieces. In addition, the cycloidal cleaning structure 92 can further deeply clean the inner side of the pole pieces by swinging, so as to optimize the cleaning effect on the entire electric field 1.

[0073] Refer to Figure 10 , specifically, the surface area cleaning structure 91 in the present invention includes a connecting portion 911 for connecting the pipe fitting 61, and a plurality of conduits 912 connected to the connecting portion 911;

[0074] A ring-shaped nozzle 913 is jointly connected between the ends of several of the conduits 912. During operation, the cleaning medium enters the above-mentioned connecting portion 911 from the pipe fitting 61 and is drained by several conduits 912 into the interior of the ring-shaped nozzle 913. Obviously, the ring-shaped nozzle 913 described in this embodiment is used to form a spraying surface to achieve the cleaning effect on the surface area inside the electric field 1.

[0075] Referring to Figure 11 , on the basis of the above embodiment, the cycloid cleaning structure 92 in this embodiment includes a central pipe 920 connected to the other end of the connecting portion 911. An installation box 921 is rotatably connected to the distal end of the central pipe 920. A gravity ball 922 is arranged at the bottom of the installation box 921. That is to say, the installation box 921 and the central pipe 920 are rotatably connected in this embodiment, and the gravity ball 922 is fixedly installed at the bottom of the installation box 921. The designed gravity ball 922 is to keep the installation box 921 always in a horizontal position;

[0076] The installation box 921 is located between several of the conduits 912. Among them, two impellers 923 are rotatably connected inside the installation box 921, and a flow guide plate 924 is fixedly installed inside the installation box 921 at its inlet;

[0077] Two slideways 925 are opened at the front end of the installation box 921, and a swing plate 926 that closes the slideways 925 is slidably connected inside the installation box 921. That is, when the swing plate 926 moves horizontally left and right, it can always close the slideways 925. A through hole 927 is provided on the end face of the swing plate 926. The designed through hole 927 is used to discharge steam, and a reciprocating structure 928 is arranged between the swing plate 926 and the impeller 923.

[0078] Referring to Figure 12 , in a further embodiment, the reciprocating structure 928 in this embodiment includes a turntable 9281 fixedly connected to the shaft of the impeller 923. A driving shaft 9282 is eccentrically installed at the upper end of the turntable 9281. One end of the swing plate 926 has a bent portion 9261, and a guiding waist slot 9262 is opened on the end face of the bent portion 9261. The driving shaft 9282 is slidably connected inside the guiding waist slot 9262.

[0079] Referring to Figure 13 , specifically, during the cleaning process, first, the two pipe fittings 61 continuously rotate circumferentially to drive several ring-shaped nozzles 913 to rotate circumferentially to clean the pole pieces in the internal space of the electric field 1;

[0080] Meanwhile, when high-pressure steam enters the interior of the installation box 921, the steam passes through the guide plate 924 to push the impeller 923. At this time, the impeller 923 rotates. When the impeller 923 rotates, it drives the shaft rod fixed to it to rotate, so as to drive the turntable 9281 to rotate circumferentially;

[0081] When the turntable 9281 rotates, it drives the swing plate 926 to perform a reciprocating swing motion through the cooperation of the drive shaft 9282 and the guide waist groove 9262. When the steam is ejected outward from the through hole 927 of the swing plate 926, since the swing plate 926 performs a reciprocating swing motion, the ejected medium has a wavy cycloid structure. This wavy ejected medium can better enter between the pole pieces and simultaneously impact and clean the inner side surfaces of the pole pieces, thereby effectively improving the cleaning effect on the interior of the pole pieces.

[0082] It should be noted that the gravity ball 922 in the present invention is used to keep the installation box 921 always in a horizontal position. Therefore, during the circumferential rotation of the installation box 921 following the pipe fitting 61, the above-mentioned swing plate 926 always performs a horizontal linear motion. Since the pole pieces are vertically arranged at intervals, this horizontal linear motion can well adapt to the cleaning in the height direction of the pole pieces. If the installation box 921 is not kept horizontal, when the installation box 921 rotates 90 degrees following the pipe fitting 61, its cycloid surface may be parallel between two pole pieces, resulting in a problem of inability to clean.

[0083] In summary, in the present invention, by using two circumferentially rotating cleaning components 6 to spray and clean the interior of the electric field 1 with steam, oil particles can be effectively removed from the pole pieces. At the same time, this rotary cleaning method can improve the comprehensiveness of cleaning, effectively improve the ability to remove oil stains on the pole pieces, and improve the cleaning effect. In addition, the cleaning component 6 adopts a rotatable and retractable structural design. In the non-working state, the lateral force on the entire cleaning component 6 can be reduced to avoid problems such as bending deformation, thereby synchronously improving its durability.

[0084] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. An automatic cleaning system for the electric field of a restaurant fume purifier, characterized in that: include: A vertical pole (2) is installed inside the opening side of the electric field (1), a sleeve (3) is rotatably connected to the upper end of the vertical pole (2) and a driving component (4) is installed, a front end of the sleeve (3) is fixedly connected to a mounting plate (5), and two cleaning components (6) are rotatably connected to the two sides of the mounting plate (5); The sleeve (3) is dynamically connected to the driving assembly (4) via a coupling assembly (7), and the coupling assembly (7) also has a locking assembly (8) for locking the position of the cleaning assembly (6).

2. The automatic cleaning system for the electric field of a restaurant fume purifier according to claim 1 is characterized by: The coupling assembly (7) comprises a pull rod (71) passing through the interior of the sleeve (3), and a coupling member (72) for power transmission is installed on the pull rod (71) and the output end of the drive assembly (4); A guide groove (31) is provided on the outer side of the sleeve (3), and a shaft rod (73) sliding in the guide groove (31) is fixedly mounted on the outer side of the pull rod (71).

3. The automatic cleaning system for the electric field of a restaurant fume purifier according to claim 2 is characterized by: The driving assembly (4) comprises a bracket (41) fixed to the upper end of the upright pole (2) and a motor (42) fixed to the upper end of the bracket (41); The two coupling members (72) are concentrically arranged, and one coupling member (72) is fixed on the shaft end of the motor (42).

4. The automatic cleaning system for the electric field of a restaurant fume purifier according to claim 2 is characterized by: The coupling component (7) further comprises: A pull ring (74) sleeved on the outside of the sleeve (3) and a pulling member (75) fixed on the upper end of the vertical rod (2), the axial end of the pulling member (75) and the pull ring (74) are fixed, and at least a part of the pull ring (74) stops the shaft rod (73).

5. The automatic cleaning system for the electric field of a restaurant fume purifier according to claim 2 is characterized by: The cleaning assembly (6) comprises a pipe (61) rotatably connected to the mounting plate (5) and a plurality of nozzle assemblies (9) distributed on the pipe (61); The pipe (61) has a connecting end (62), the mounting plate (5) has a stop wing (51) for stopping the connecting end (62), the connecting end (62) and the mounting plate (5) are pin-connected for rotation, and a clamping hole (63) is also provided on the end surface of the connecting end (62).

6. The automatic cleaning system for the electric field of a restaurant fume purifier according to claim 5 is characterized by: The locking assembly (8) comprises a pressing plate (81); One end of the pull rod (71) passes through and extends to the outside of the mounting plate (5) and is fixedly connected to the pressure plate (81). Two locking rods (83) are movably connected to both sides of the front end of the pressure plate (81) through springs (82). The locking rods (83) and the clamping holes (63) are plugged in and positioned. A compression spring (84) is also connected between the pressure plate (81) and the mounting plate (5). Wherein, the connecting end (62) is also provided with guiding inclined surfaces (64) on both sides of the locking hole (63), and the locking rod (83) enters the locking hole (63) along the guiding inclined surfaces (64).

7. The automatic cleaning system for the electric field of a restaurant fume purifier according to claim 5 is characterized by: The nozzle assembly (9) comprises a surface cleaning structure (91) and a cycloid cleaning structure (92); The surface cleaning structure (91) and the cycloid cleaning structure (92) are both in communication with the pipe of the pipe member (61).

8. The automatic cleaning system for the electric field of a restaurant fume purifier according to claim 7 is characterized by: The face area cleaning structure (91) comprises a connection portion (911) for connecting to the pipe (61), and a plurality of conduits (912) connected to the connection portion (911); The ends of several of the conduits (912) are commonly connected to an annular nozzle (913).

9. The automatic cleaning system for the electric field of a restaurant fume purifier according to claim 8 is characterized by: The cycloid cleaning structure (92) comprises a central tube (920) connected to the other end of the connecting portion (911), a mounting box (921) is rotatably connected to the distal end of the central tube (920), a gravity ball (922) is arranged at the bottom of the mounting box (921), and the mounting box (921) is located between the plurality of conduits (912), wherein two impellers (923) are rotatably connected inside the mounting box (921), and a guide plate (924) located at the inlet of the mounting box (921) is fixedly installed on the inner side of the mounting box (921); Two slideways (925) are provided at the front end of the installation box (921), and a swing plate (926) closing the slideways (925) is slidably connected to the inner side of the installation box (921), a through hole (927) is provided on the end surface of the swing plate (926), and a reciprocating structure (928) is provided between the swing plate (926) and the impeller (923).

10. The automatic cleaning system for the electric field of a restaurant fume purifier according to claim 9, characterized in that: The reciprocating structure (928) includes a turntable (9281) fixedly connected to the shaft of the impeller (923), and a drive shaft (9282) is eccentrically mounted on the upper end of the turntable (9281), wherein the upper end of the swing plate (926) has a bending portion (9261), and a guide waist groove (9262) is provided on the end surface of the bending portion (9261), and the drive shaft (9282) is slidably connected to the inside of the guide waist groove (9262).

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