A cleaning device for a large oven cavity

Abstract

The utility model discloses a kind of cleaning devices for large oven cavity, including washing tank, the top of washing tank is equipped with sealing cover, the middle part of sealing cover is equipped with stirring rod, the stirring rod is inserted into washing tank inside, the upper surface of sealing cover is equipped with stirring motor, and the output end of stirring motor is connected with stirring rod;The side surface of washing tank is equipped with water pump, and the water suction end of water pump is connected with washing tank, the water outlet end of water pump is connected with spray gun, the side of spray gun is equipped with cleaning motor, and the output end of cleaning motor is equipped with cleaning brush.The utility model can make that cleaning agent and water are mixed evenly by setting stirring rod and stirring motor, water pump and spray gun can be used to cooperate with staff to quickly spray a lot of foam on the oven wall, a part of dirt on the cavity is cleaned by cleaning agent first, then staff can consider the cavity to be sprayed and washed by using spray gun and cleaning motor.

Description

Technical Field

[0001] This utility model relates to the field of cleaning equipment technology, specifically a cleaning device for the cavity of a large oven. Background Technology

[0002] Large ovens play an indispensable role in food processing and catering, enabling them to bake food in batches and meet the needs of large-scale production and supply. However, after prolonged use, large ovens accumulate a large amount of grease, charcoal, food residue, and other debris inside the oven cavity. The presence of these debris causes several serious problems: firstly, it significantly reduces the oven's heating efficiency, requiring more energy to reach the set temperature and increasing production costs; secondly, the long-term accumulation of debris corrodes and damages the oven's internal structure, shortening its lifespan and increasing the cost of equipment maintenance and replacement.

[0003] Utility model patent with publication number CN218655704U discloses a cleaning device for a baking oven mesh belt, which includes a body, a wire brush roller mounted on the body, and a drive assembly for driving the wire brush roller to move closer to or away from the mesh belt. The drive assembly includes a control plate rotatably mounted on the body and a first drive component for driving the control plate to rotate. There are two control plates, located on both sides of the body respectively, and a connecting rod connects the two control plates. The rotation axis of the control plate is parallel to the wire brush roller. Both ends of the wire brush roller are rotatably fixed on the two control plates. A second drive component for driving the wire brush roller to rotate is fixed on the control plate.

[0004] The oven mesh belt cleaning device provided by the aforementioned patent can clean the oven mesh and effectively remove food residue from the mesh belt. However, it is not suitable for cleaning the oven cavity, and existing methods for cleaning the oven cavity mostly involve manually spraying cleaning foam and wiping it bit by bit, which is very troublesome and not conducive to workers efficiently cleaning the inner wall of the oven cavity. Utility Model Content

[0005] The purpose of this invention is to provide a cleaning device for the cavity of a large oven, which aims to improve the problem that existing oven cleaning equipment is not suitable for cleaning the oven cavity, requires manual cleaning, and is not conducive to the efficient cleaning of the inner wall of the oven cavity by workers.

[0006] This utility model is implemented as follows: A cleaning device for the cavity of a large oven includes a cleaning tank with a cover at the top and a stirring rod in the middle of the cover. The stirring rod is inserted into the interior of the cleaning tank. A stirring motor is mounted on the upper surface of the cover, and the output end of the stirring motor is connected to the stirring rod. A water pump is mounted on the side of the cleaning tank, with its suction end connected to the cleaning tank and its discharge end connected to a spray gun. A cleaning motor is mounted on one side of the spray gun, and a cleaning brush is mounted on the output end of the cleaning motor. The cleaning motor and the spray gun are detachably connected.

[0007] Preferably, the cleaning tank has an installation port at the top, a drain pipe is provided on one side of the cleaning tank aligned with the bottom of the inner cavity, and a drain valve is provided on the drain pipe; a control box is provided on the bottom surface of the cleaning tank, and a control panel is provided on the front of the control box.

[0008] Preferably, the top and side of the cleaning tank are respectively provided with a first connecting slot and a second connecting slot, the side of the cleaning tank is provided with a water suction pipe aligned with the bottom of the inner cavity, the side of the control base box is provided with a connecting wire, and the end of the connecting wire is provided with a power plug.

[0009] Preferably, the bottom side of the cover is provided with a fixing foot, the fixing foot is provided with a fixing hole, the bottom surface of the cover is provided with a insert ring, and the middle part of the cover is provided with a bearing.

[0010] Preferably, the top of the stirring rod is provided with an adapter shaft, the adapter shaft is interference-fitted with a bearing, the top of the stirring rod is provided with a drive slot, and the bottom of the side of the stirring rod is provided with multiple stirring blades.

[0011] Preferably, the end of the stirring motor that is in contact with the cover is provided with multiple mounting feet, and the mounting feet are provided with multiple mounting holes. The stirring motor is fixed to the cover by bolts passing through the mounting holes. The output end of the stirring motor is provided with a drive shaft, which is inserted into the drive slot. The side of the stirring motor is provided with a first connecting line, and the end of the first connecting line is provided with a first connecting plug, which is electrically connected to the cleaning box.

[0012] Preferably, the water pump output end has two external connecting pipes on its side, and the ends of the external connecting pipes are provided with external caps. The two external connecting pipes serve as the water pump's suction end and discharge end, respectively. The end of the water pump that is in contact with the cleaning tank has a connecting frame with multiple connecting holes. The water pump is fixed to the side of the cleaning tank by bolts passing through the connecting holes. The side of the water pump has a second connecting line, and the end of the second connecting line has a second connecting plug. The second connecting plug is electrically connected to the cleaning tank.

[0013] Preferably, the bottom end of the spray gun is provided with a connecting pipe, one side of the spray gun is provided with a connecting rod, the end of the connecting rod is provided with a sleeve, the side of the sleeve is provided with a clamping knob, and the output end of the spray gun is provided with a nozzle.

[0014] Preferably, the output end of the cleaning motor and the cleaning brush are detachably connected, the rear end of the cleaning motor is provided with a connector, the connector is inserted into the sleeve, the clamping knob is pressed on the connector, the rear end of the connector is provided with a charging slot, and the side of the cleaning motor is provided with a switch.

[0015] Preferably, the device also includes a plug, wherein the top of the cleaning tank is provided with an injection pipe, the middle of the injection pipe is provided with an injection port, and the bottom of the plug is provided with a stud, which is threadedly connected to the injection port.

[0016] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model, by setting a stirring rod and a stirring motor, can make the cleaning agent and water evenly mixed. The water pump and spray gun can be used to help the workers quickly spray a large amount of foam onto the oven wall. The cleaning agent first cleans some of the dirt on the oven cavity. Then, the workers can use the spray gun and cleaning motor to spray and scrub the oven cavity at the same time, which can further clean the oven cavity and help the workers improve the efficiency of cleaning the oven cavity.

[0017] 2. This utility model has a filling port at the top of the cleaning tank, which allows cleaning agent to be injected into the cleaning tank, making it convenient to store a large amount of cleaning agent to ensure that there is enough cleaning agent when cleaning large ovens. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a structural schematic diagram of the cleaning box of this utility model from a front-view angle; Figure 3 This is a structural schematic diagram of the cleaning box of this utility model from a rear-end oblique downward view; Figure 4 This is a schematic diagram of the structure of the cap of this utility model; Figure 5 This is a schematic diagram of the structure of the stirring rod of this utility model; Figure 6 This is a schematic diagram of the structure of the stirring motor of this utility model; Figure 7 This is a schematic diagram of the structure of the water pump of this utility model; Figure 8 This is a schematic diagram of the structure of the spray gun of this utility model; Figure 9 This is a schematic diagram of the structure of the cleaning motor of this utility model; Figure 10 This is a schematic diagram of the sealing structure of this utility model.

[0019] In the diagram: 1. Cleaning tank; 10. Drain pipe; 101. Drain valve; 11. Control base box; 12. Control panel; 13. Mounting port; 14. Injection pipe; 15. Injection port; 16. First connecting slot; 17. Second connecting slot; 18. Suction pipe; 19. Power cord; 191. Power plug; 2. Cover; 21. Fixing foot; 22. Fixing hole; 23. Bearing; 24. Insert ring; 3. Stirring rod; 31. Adapter shaft; 32. Drive slot; 33. Stirring blade; 4. Stirring motor; 41. 42. Mounting foot; 43. Drive shaft; 44. First connecting line; 45. First connecting plug; 5. Water pump; 51. External pipe; 52. External cap; 53. Connecting frame; 54. Connecting hole; 55. Second connecting line; 56. Second connecting plug; 6. Spray gun; 61. Connecting pipe; 62. Sleeve; 63. Clamping knob; 64. Connecting rod; 65. Nozzle; 7. Cleaning motor; 71. Connector; 72. Charging slot; 73. Switch; 74. Cleaning brush; 8. Plug; 81. Stud. Detailed implementation method: In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0020] The following description, in conjunction with the accompanying drawings and specific embodiments, provides further details: Example 1 like Figure 1 As shown, a cleaning device for the cavity of a large oven includes a cleaning tank 1. The top of the cleaning tank 1 is equipped with a cover 2, which facilitates sealing the opening at the top of the cleaning tank 1. A stirring rod 3 is located in the middle of the cover 2, inserted into the cleaning tank 1. A stirring motor 4 is mounted on the upper surface of the cover 2, with its output end connected to the stirring rod 3. This structure facilitates the stirring motor 4 to drive the stirring rod 3 to rotate, allowing for uniform mixing of cleaning agent and water, thus facilitating the preparation and use of the cleaning agent. A water pump 5 is located on the side of the cleaning tank 1, with its suction end connected to the cleaning tank 1 and its discharge end connected to a spray gun 6. The water pump 5, in conjunction with the spray gun 6, facilitates the spraying of cleaning agent into the oven cavity. A cleaning motor 7 is mounted on one side of the spray gun 6, with a cleaning brush 74 at its output end. The cleaning motor 7 is detachably connected to the spray gun 6, and the cleaning motor 7, in conjunction with the cleaning brush 74, facilitates the cleaning of the inner wall of the oven cavity.

[0021] like Figure 2 and Figure 3 As shown, the cleaning tank 1 has an installation port 13 at its top, and a drain pipe 10 is located on one side of the cleaning tank 1, aligned with the bottom of the inner cavity. A drain valve 101 is installed on the drain pipe 10. The drain pipe 10 and drain valve 101 facilitate the spraying of cleaning agent from inside the cleaning tank 1. A control base box 11 is located on the bottom of the cleaning tank 1, and a control panel 12 is located on the front of the control base box 11. The cooperation between the control base box 11 and the control panel 12 facilitates the control of the entire device and its operation. A first connecting slot 16 and a second connecting slot 17 are located on the top and side of the cleaning tank 1, respectively. The first connecting slot 16 facilitates electrical connection to the stirring motor 4. A suction pipe 18 is located on the side of the cleaning tank 1, aligned with the bottom of the inner cavity. The suction pipe 18 facilitates connection between the suction end of the water pump 5 and the cleaning tank 1. A connecting wire 19 is located on the side of the control base box 11, and a power plug 191 is located at the end of the connecting wire 19. The connecting wire 19 and the power plug 191 facilitate the connection of the control box to a power source.

[0022] like Figure 4 As shown, the bottom side of the cover 2 is provided with a fixing foot 21, and the fixing foot 21 is provided with a fixing hole 22, which facilitates the fixing of the cover 2 with bolts. The bottom surface of the cover 2 is provided with a insert ring 24, which is convenient to be inserted into the inside of the mounting port 13. The middle part of the cover 2 is provided with a bearing 23, which facilitates the rotational connection between the cover 2 and the stirring rod 3.

[0023] like Figure 5 As shown, the top of the stirring rod 3 is equipped with an adapter shaft 31, which is interference-fitted with the bearing 23 to facilitate the rotation of the stirring rod 3 to mix the cleaning agent. The top of the stirring rod 3 is equipped with a drive slot 32, which facilitates the connection between the motor output and the stirring rod 3. The bottom side of the stirring rod 3 is equipped with multiple stirring blades 33, which facilitate the uniform mixing of the cleaning agent.

[0024] like Figure 6 As shown, the end of the stirring motor 4 that is in contact with the cover 2 has multiple mounting feet 41, and the mounting feet 41 have multiple mounting holes 42. The stirring motor 4 is fixed to the cover 2 by bolts passing through the mounting holes 42, ensuring the stable use of the cover 2. The output end of the stirring motor 4 has a drive shaft 43, which is inserted into the drive slot 32, facilitating the stirring motor 4 to drive the stirring rod 3 to rotate. The side of the stirring motor 4 has a first connecting line 44, and the end of the first connecting line 44 has a first connecting plug 45, which is electrically connected to the cleaning tank 1, facilitating the operation of the stirring motor 4.

[0025] like Figure 7As shown, the water pump 5 has two external connecting pipes 51 on its output side, and external caps 52 at the ends of the external connecting pipes 51. The two external connecting pipes 51 serve as the water pump 5's suction end and discharge end, respectively. This structure facilitates the connection of the water pump 5 to external pipes, allowing the water pump 5 to draw cleaning agent into the spray gun 6 and spray it out from the spray gun 6. A connecting frame 53 is provided at one end of the water pump 5 that is in contact with the cleaning tank 1. The connecting frame 53 has multiple connecting holes 54. The water pump 5 is fixed to the side of the cleaning tank 1 by bolts passing through the connecting holes 54. A second connecting line 55 is provided on the side of the water pump 5, and a second connecting plug 56 is provided at the end of the second connecting line 55. The second connecting plug 56 is electrically connected to the cleaning tank 1, facilitating the power supply and operation of the water pump 5.

[0026] like Figure 8 As shown, the bottom of the spray gun 6 is equipped with a connecting pipe 61, which facilitates connection between the spray gun 6 and the water pump 5. A connecting rod 64 is located on one side of the spray gun 6, and a sleeve 62 is located at the end of the connecting rod 64. The connecting rod 64 and the sleeve 62 facilitate the installation of the cleaning motor 7, ensuring its stable operation. A clamping knob 63 is located on the side of the sleeve 62, which facilitates the fixing of the cleaning motor 7. A nozzle 65 is located at the output end of the spray gun 6, which facilitates the spraying of cleaning agent, ensuring sufficient cleaning agent is applied into the oven cavity.

[0027] like Figure 9 As shown, the output end of the cleaning motor 7 and the cleaning brush 74 are detachably connected, facilitating the replacement of the cleaning brush 74 as needed. A connector 71 is located at the rear end of the cleaning motor 7. The connector 71 inserts into the sleeve 62, and a clamping knob 63 presses it onto the connector 71, facilitating the fixing and adjustment of the cleaning motor 7. A charging slot 72 is located at the rear end of the connector 71. The cleaning motor 7 contains a battery, and the charging slot 72 facilitates charging the cleaning motor 7, making its use convenient. A switch 73 is located on the side of the cleaning motor 7 for easy control of its opening and closing.

[0028] Example 2 like Figure 1As shown, a cleaning device for the cavity of a large oven includes a cleaning tank 1. The top of the cleaning tank 1 is equipped with a cover 2, which facilitates sealing the opening at the top of the cleaning tank 1. A stirring rod 3 is located in the middle of the cover 2, inserted into the cleaning tank 1. A stirring motor 4 is mounted on the upper surface of the cover 2, with its output end connected to the stirring rod 3. This structure facilitates the stirring motor 4 to drive the stirring rod 3 to rotate, allowing for uniform mixing of cleaning agent and water, thus facilitating the preparation and use of the cleaning agent. A water pump 5 is located on the side of the cleaning tank 1, with its suction end connected to the cleaning tank 1 and its discharge end connected to a spray gun 6. The water pump 5, in conjunction with the spray gun 6, facilitates the spraying of cleaning agent into the oven cavity. A cleaning motor 7 is mounted on one side of the spray gun 6, with a cleaning brush 74 at its output end. The cleaning motor 7 is detachably connected to the spray gun 6, and the cleaning motor 7, in conjunction with the cleaning brush 74, facilitates the cleaning of the inner wall of the oven cavity.

[0029] like Figure 2 and Figure 3 As shown, the cleaning tank 1 has an installation port 13 at its top, and a drain pipe 10 is located on one side of the cleaning tank 1, aligned with the bottom of the inner cavity. A drain valve 101 is installed on the drain pipe 10. The drain pipe 10 and drain valve 101 facilitate the spraying of cleaning agent from inside the cleaning tank 1. A control base box 11 is located on the bottom of the cleaning tank 1, and a control panel 12 is located on the front of the control base box 11. The cooperation between the control base box 11 and the control panel 12 facilitates the control of the entire device and its operation. A first connecting slot 16 and a second connecting slot 17 are located on the top and side of the cleaning tank 1, respectively. The first connecting slot 16 facilitates electrical connection to the stirring motor 4. A suction pipe 18 is located on the side of the cleaning tank 1, aligned with the bottom of the inner cavity. The suction pipe 18 facilitates connection between the suction end of the water pump 5 and the cleaning tank 1. A connecting wire 19 is located on the side of the control base box 11, and a power plug 191 is located at the end of the connecting wire 19. The connecting wire 19 and the power plug 191 facilitate the connection of the control box to a power source.

[0030] like Figure 4 As shown, the bottom side of the cover 2 is provided with a fixing foot 21, and the fixing foot 21 is provided with a fixing hole 22, which facilitates the fixing of the cover 2 with bolts. The bottom surface of the cover 2 is provided with a insert ring 24, which is convenient to be inserted into the inside of the mounting port 13. The middle part of the cover 2 is provided with a bearing 23, which facilitates the rotational connection between the cover 2 and the stirring rod 3.

[0031] like Figure 5 As shown, the top of the stirring rod 3 is equipped with an adapter shaft 31, which is interference-fitted with the bearing 23 to facilitate the rotation of the stirring rod 3 to mix the cleaning agent. The top of the stirring rod 3 is equipped with a drive slot 32, which facilitates the connection between the motor output and the stirring rod 3. The bottom side of the stirring rod 3 is equipped with multiple stirring blades 33, which facilitate the uniform mixing of the cleaning agent.

[0032] like Figure 6 As shown, the end of the stirring motor 4 that is in contact with the cover 2 has multiple mounting feet 41, and the mounting feet 41 have multiple mounting holes 42. The stirring motor 4 is fixed to the cover 2 by bolts passing through the mounting holes 42, ensuring the stable use of the cover 2. The output end of the stirring motor 4 has a drive shaft 43, which is inserted into the drive slot 32, facilitating the stirring motor 4 to drive the stirring rod 3 to rotate. The side of the stirring motor 4 has a first connecting line 44, and the end of the first connecting line 44 has a first connecting plug 45, which is electrically connected to the cleaning tank 1, facilitating the operation of the stirring motor 4.

[0033] like Figure 7 As shown, the water pump 5 has two external connecting pipes 51 on its output side, and external caps 52 at the ends of the external connecting pipes 51. The two external connecting pipes 51 serve as the water pump 5's suction end and discharge end, respectively. This structure facilitates the connection of the water pump 5 to external pipes, allowing the water pump 5 to draw cleaning agent into the spray gun 6 and spray it out from the spray gun 6. A connecting frame 53 is provided at one end of the water pump 5 that is in contact with the cleaning tank 1. The connecting frame 53 has multiple connecting holes 54. The water pump 5 is fixed to the side of the cleaning tank 1 by bolts passing through the connecting holes 54. A second connecting line 55 is provided on the side of the water pump 5, and a second connecting plug 56 is provided at the end of the second connecting line 55. The second connecting plug 56 is electrically connected to the cleaning tank 1, facilitating the power supply and operation of the water pump 5.

[0034] like Figure 8 As shown, the bottom of the spray gun 6 is equipped with a connecting pipe 61, which facilitates connection between the spray gun 6 and the water pump 5. A connecting rod 64 is located on one side of the spray gun 6, and a sleeve 62 is located at the end of the connecting rod 64. The connecting rod 64 and the sleeve 62 facilitate the installation of the cleaning motor 7, ensuring its stable operation. A clamping knob 63 is located on the side of the sleeve 62, which facilitates the fixing of the cleaning motor 7. A nozzle 65 is located at the output end of the spray gun 6, which facilitates the spraying of cleaning agent, ensuring sufficient cleaning agent is applied into the oven cavity.

[0035] like Figure 9 As shown, the output end of the cleaning motor 7 and the cleaning brush 74 are detachably connected, facilitating the replacement of the cleaning brush 74 as needed. A connector 71 is located at the rear end of the cleaning motor 7. The connector 71 inserts into the sleeve 62, and a clamping knob 63 presses it onto the connector 71, facilitating the fixing and adjustment of the cleaning motor 7. A charging slot 72 is located at the rear end of the connector 71. The cleaning motor 7 contains a battery, and the charging slot 72 facilitates charging the cleaning motor 7, making its use convenient. A switch 73 is located on the side of the cleaning motor 7 for easy control of its opening and closing.

[0036] like Figure 1 , Figure 2 and Figure 10As shown, it also includes a plug 8. The top of the cleaning tank 1 is provided with an injection pipe 14, and the middle of the injection pipe 14 is provided with an injection port 15. The cooperation between the injection pipe 14 and the injection port 15 facilitates the injection of water and cleaning agent into the cleaning tank 1. The bottom of the plug 8 is provided with a stud 81, which is threadedly connected to the injection port 15, facilitating the disassembly, assembly, and use of the plug 8.

[0037] Working principle: First, water and detergent are injected into the cleaning tank 1 through the injection pipe 14 and injection port 15 at the top of the cleaning tank 1, and the injection port 15 is sealed with the plug 8. Next, the control base box 11 is connected to the power supply through the connecting wire 19 and the power plug 191. The operator starts the equipment through the control panel 12. After the stirring motor 4 is powered on, its output drive shaft 43 is inserted into the drive slot 32 of the stirring rod 3, which drives the stirring rod 3 to rotate under the action of the bearing 23. The stirring blades 33 on the side of the stirring rod 3 evenly mix the water and detergent in the cleaning tank 1. After the mixing is completed, the water pump 5 is started, and its suction end draws water from the cleaning tank through the suction pipe 18. The mixed cleaning agent is drawn from the cleaning tank 1 and delivered to the spray gun 6 through the drain end via the connecting pipe 61. Finally, it is sprayed out from the nozzle 65 of the spray gun 6, spraying the cleaning agent into the oven cavity of the large oven. At the same time, the cleaning motor 7 (fixed by the clamping knob 63, and the internal battery can be charged through the charging slot 72) installed on the sleeve 62 of the connecting rod 64 of the spray gun 6 is started under the control of the switch 73. Its output end drives the detachable cleaning brush 74 to rotate, cleaning the inner wall of the oven cavity. If the cleaning agent needs to be discharged from the cleaning tank 1 during or after cleaning, the remaining cleaning agent in the tank can be discharged through the drain pipe 10 and drain valve 101 on the side of the cleaning tank 1.

[0038] In summary, compared with the prior art, this application, by setting up the stirring rod 3 and the stirring motor 4, can make the cleaning agent and water evenly mixed. Furthermore, by using the water pump 5 and the spray gun 6, workers can quickly spray a large amount of foam onto the oven wall. The cleaning agent first cleans some of the dirt on the oven cavity. Then, workers can use the spray gun 6 in conjunction with the cleaning motor 7 to spray and scrub the oven cavity simultaneously, which can further clean the oven cavity and help workers improve the efficiency of cleaning the oven cavity.

[0039] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A cleaning device for the cavity of a large oven, comprising a cleaning tank (1), characterized in that, The cleaning tank (1) is provided with a cover (2) at the top, and a stirring rod (3) is provided in the middle of the cover (2). The stirring rod (3) is inserted into the cleaning tank (1). A stirring motor (4) is provided on the upper surface of the cover (2). The output end of the stirring motor (4) is connected to the stirring rod (3). A water pump (5) is provided on the side of the cleaning tank (1). The suction end of the water pump (5) is connected to the cleaning tank (1). A spray gun (6) is connected to the drain end of the water pump (5). A cleaning motor (7) is installed on one side of the spray gun (6). A cleaning brush (74) is provided at the output end of the cleaning motor (7). The cleaning motor (7) and the spray gun (6) are detachably connected.

2. A cleaning device for a large oven cavity as claimed in claim 1, wherein, The cleaning box (1) has an installation port (13) at the top and a drain pipe (10) on one side of the cleaning box (1) aligned with the bottom of the inner cavity. The drain pipe (10) is equipped with a drain valve (101). The bottom surface of the cleaning box (1) is equipped with a control box (11) and the front of the control box (11) is equipped with a control panel (12).

3. A cleaning device for a large oven cavity as claimed in claim 2, wherein, The top and side of the cleaning box (1) are respectively provided with a first connecting slot (16) and a second connecting slot (17). The side of the cleaning box (1) is provided with a water suction pipe (18) aligned with the bottom of the inner cavity. The side of the control box (11) is provided with a connecting wire (19), and the end of the connecting wire (19) is provided with a power plug (191).

4. A cleaning device for a large oven cavity as claimed in claim 1, wherein, The bottom side of the cover (2) is provided with a fixing foot (21), the fixing foot (21) is provided with a fixing hole (22), the bottom surface of the cover (2) is provided with a insert ring (24), and the middle part of the cover (2) is provided with a bearing (23).

5. A cleaning device for a large oven cavity as claimed in claim 4, wherein, The top of the stirring rod (3) is provided with a transition shaft (31), the transition shaft (31) is interference-fitted with the bearing (23), the top of the stirring rod (3) is provided with a drive slot (32), and the bottom of the side of the stirring rod (3) is provided with multiple stirring blades (33).

6. A cleaning device for a large oven cavity as claimed in claim 5, wherein, The stirring motor (4) has multiple mounting feet (41) at one end that fits against the cover (2). The mounting feet (41) have multiple mounting holes (42). The stirring motor (4) is fixed to the cover (2) by bolts passing through the mounting holes (42). The output end of the stirring motor (4) has a drive shaft (43). The drive shaft (43) is inserted into the drive slot (32). The side of the stirring motor (4) has a first connecting line (44). The end of the first connecting line (44) has a first connecting plug (45). The first connecting plug (45) is electrically connected to the cleaning box (1).

7. A cleaning device for a large oven cavity as claimed in claim 1, wherein, The water pump (5) has two external pipes (51) on the side of its output end. The ends of the external pipes (51) are provided with external caps (52). The two external pipes (51) serve as the water inlet and outlet of the water pump (5), respectively. The end of the water pump (5) that is in contact with the cleaning box (1) is provided with a connecting frame (53). The connecting frame (53) is provided with multiple connecting holes (54). The water pump (5) is fixed to the side of the cleaning box (1) by bolts passing through the connecting holes (54). The side of the water pump (5) is provided with a second connecting line (55). The end of the second connecting line (55) is provided with a second connecting plug (56). The second connecting plug (56) is electrically connected to the cleaning box (1).

8. A cleaning device for a large oven cavity as defined in claim 1, wherein, The bottom end of the spray gun (6) is provided with a connecting pipe (61), the side of the spray gun (6) is provided with a connecting rod (64), the end of the connecting rod (64) is provided with a sleeve (62), the side of the sleeve (62) is provided with a clamping knob (63), and the output end of the spray gun (6) is provided with a nozzle (65).

9. A cleaning device for a large oven cavity as claimed in claim 8, wherein, The output end of the cleaning motor (7) and the cleaning brush (74) are detachably connected. The rear end of the cleaning motor (7) is provided with a plug body (71). The plug body (71) is inserted into the sleeve (62). The clamping knob (63) is pressed on the plug body (71). The rear end of the plug body (71) is provided with a charging slot (72). The side of the cleaning motor (7) is provided with a switch (73).

10. A cleaning device for a large oven cavity as claimed in any one of claims 1 to 9, wherein, It also includes a plug (8), the top of the cleaning tank (1) is provided with a filling pipe (14), the middle of the filling pipe (14) is provided with a filling port (15), the bottom of the plug (8) is provided with a stud (81), and the stud (81) is threadedly connected to the filling port (15).

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