A spraying efficiency device of a cleaning equipment based on double motor driving

Abstract

The utility model relates to cleaning equipment technical field, concretely is a kind of spraying synergistic device of cleaning equipment based on double motor drive, the device includes shell, first drive component fixed on shell, second drive component, spray arm, first swivel joint and spray head.First drive component drives shell revolves around first rotation axis;Second drive component is installed on shell and rotates with it, drives spray arm revolves around second rotation axis;Spray arm is communicated with the flow guide arm in shell by first swivel joint, and the first flow passage in flow guide arm will liquid / gas be delivered to spray head by spray flow passage.By the compound motion of shell revolution and spray arm rotation, the spraying coverage is significantly expanded, and the cleaning blind area is eliminated;Swivel joint ensures the stable transmission of fluid in dynamic rotation, improves the cleaning uniformity and efficiency.The utility model is suitable for cleaning equipment, especially in the field of household dishwashing equipment, with compact structure, reliable operation.

Description

Technical Field

[0001] This utility model relates to the field of cleaning equipment technology, specifically a spray efficiency enhancement device for cleaning equipment based on dual-motor drive. Background Technology

[0002] In cleaning equipment, the spraying device is the main cleaning component. The rotating shaft of the rotating spray arm is driven to rotate by a motion system or power device, and sprays out cleaning water to achieve cleaning.

[0003] In existing technologies, to ensure cleaning effectiveness, multiple sets of nozzles or rotating nozzles are typically used to spray water over a sufficient area. However, deploying multiple nozzles increases costs, and uncovered areas may still exist between nozzles. While multiple nozzles require a water pressurization system to maintain the spray's flushing power, rotating nozzles, which typically use a single rotating shaft, still have blind spots and limitations in practical use. Furthermore, leaks are prone to occur in the rotating pipe connections, leading to poor cleaning results. Therefore, we propose a spray efficiency enhancement device for cleaning equipment based on a dual-motor drive. Utility Model Content

[0004] The purpose of this utility model is to provide a spray efficiency enhancement device for a cleaning equipment based on dual motor drive, which solves the problems existing in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A spray enhancement device for a cleaning equipment driven by dual motors includes a housing. A flange is fixedly installed on the inner wall of the cleaning chamber of the cleaning equipment. The body of a central motor is fixedly connected to the middle of the inner wall of the housing. The output shaft of the central motor is fixedly connected to the flange and is used to drive the housing to rotate around the flange. A spray arm is rotatably connected to one side of the bottom of the housing. A spray motor is fixedly connected to the inner wall of the housing near the spray arm and is used to drive the spray arm to rotate. A spray head is fixedly connected to one end of the spray arm on the outer wall of the housing.

[0007] Preferably, the shell is composed of two parts, an upper shell and a lower shell, joined together.

[0008] Preferably, the lower shell has a channel for water flow, and the two ends of the channel are connected to the water inlet on the top of the flange and the spray arm respectively through a rotary joint.

[0009] Preferably, the rotary joint includes a central flow channel, two sealing rings, two baffles, and a bearing. The central flow channel is used for water flow, the two sealing rings are sleeved on both sides of the central flow channel for sealing, and the two baffles are used to axially limit the sealing rings.

[0010] Preferably, the end of the channel connected to the water inlet on the flange passes through the center of the flange.

[0011] Preferably, a retaining ring is provided at the connection between the flange and the housing to limit axial displacement between the flange and the housing.

[0012] Preferably, both the central motor and the spray motor include a servo motor and a reduction gear set, a drive gear, a recording gear, and a Hall sensor inside the transmission box. The drive gear in the central motor is fixedly connected to the flange through an output shaft, and the drive gear in the spray motor is fixedly connected to the spray arm through an output shaft.

[0013] Preferably, the transmission ratio between the recording gear and the drive gear is [value missing], a magnet is provided on the recording gear, and a Hall sensor is fixedly connected to the inner wall of the transmission box at the position where the magnet is provided on the recording gear, for sensing the rotation position of the recording gear.

[0014] Preferably, the nozzle includes a segment rod, a nozzle, a pressure plate, a mounting head, and a pin.

[0015] Preferably, a nozzle is provided at the bottom of the segment rod, the mounting head is provided outside the segment rod, a sealing ring is provided between the mounting head and the rotary joint, the pressure plate is used to axially press the sealing ring, there is an axial gap between the mounting head and the pressure plate, and the pin is detachably inserted into the axial gap.

[0016] By employing the above technical solution, this utility model provides a spray efficiency enhancement device for a cleaning equipment based on dual-motor drive. It possesses at least the following beneficial effects:

[0017] I. This utility model allows water to enter through the inlet and spray out from the nozzle for cleaning. At the same time, since the drive gear at the output end of the central motor is fixedly connected to the flange, when the central motor starts, the housing below the flange rotates around the hollow shaft, driving the spray arm and nozzle mounted on the housing to rotate together. Simultaneously, the spray motor drives the spray arm and nozzle to rotate. By driving the spray through two different rotation axes, the nozzle spray can achieve a combination of rotation and revolution, resulting in a larger coverage area.

[0018] Second, this utility model uses Hall sensors installed in the transmission boxes of the central motor and the spray motor to obtain the position of the servo motor drive housing and the spray arm in real time, thereby providing data support for monitoring the trajectory of the sprayed water flow. By acquiring the position and movement information in real time, the spray range of the nozzle can be monitored, and the rotation speed of the central motor and the spray motor can be adjusted in time to cover the area, so as to avoid the problem of poor cleaning effect caused by the spraying of areas not covered by the nozzle. Attached Figure Description

[0019] The accompanying drawings, which are included to provide a further understanding of the present invention, form part of this application:

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a half-sectional view of the present invention;

[0022] Figure 3 This is a schematic diagram of the internal structure of the shell in this utility model;

[0023] Figure 4 In this utility model Figure 2 A schematic diagram of the connection between the spray arm and the housing.

[0024] In the diagram: 1. Housing; 2. Central motor; 3. Spray motor; 4. Spray arm; 5. Spray head; 6. Hall sensor; 7. Drive gear; 8. Recording gear; 9. Flange; 10. Snap ring. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1

[0027] A spray efficiency enhancement device for a cleaning equipment driven by dual motors, such as... Figure 1 - Figure 4As shown, the system includes a housing 1. A flange 9 is fixedly installed on the inner wall of the cleaning chamber of the cleaning equipment. The body of a central motor 2 is fixedly connected to the middle of the inner wall of the housing 1. The output shaft of the central motor 2 is fixedly connected to the flange 9 and is used to drive the housing to rotate around the flange 9. A spray arm 4 is rotatably connected to one side of the bottom of the housing 1. A spray motor 3 is fixedly connected to the inner wall of the housing 1 near the spray arm and is used to drive the spray arm 4 to rotate. A nozzle 5 is fixedly connected to one end of the spray arm 4 on the outer wall of the housing 1. The lower housing has an opening for water to flow through. The two ends of the channel are connected to the water inlet on the top of the flange 9 and the spray arm 4 respectively through a rotary joint. The rotary joint includes a central flow channel, two sealing rings, two baffles, and a bearing. The central flow channel is used for water flow. The two sealing rings are fitted on both sides of the central flow channel for sealing. The two baffles are used to support the sealing rings. The limiting channel, with one end connected to the water inlet on the flange 9, passes through the center of the flange 9 to prevent motion interference between the drive gear 7 and the water flow channel when the drive gear 7 rotates. A retaining ring 10 is provided at the connection between the flange 9 and the housing 1 to limit the axial displacement of the flange 9 and the housing 1. Both the central motor 2 and the spray motor 3 include a servo motor and a reduction gear set, drive gear 7, recording gear 8, and Hall sensor 6 inside the transmission box. The drive gear 7 in the central motor 2 is fixedly connected to the flange 9 through the output shaft, and the drive gear 7 in the spray motor 3 is fixedly connected to the spray arm 4 through the output shaft. The transmission ratio between the recording gear 8 and the drive gear 7 is 1. A magnet is provided on the recording gear 8, and a Hall sensor 6 is fixedly connected to the inner wall of the transmission box at the position where the magnet is provided on the recording gear 8 to sense the rotation position of the recording gear 8.

[0028] In this embodiment, water is introduced through the inlet and sprayed from the nozzle 5 for cleaning. At the same time, since the drive gear 7 at the output end of the central motor 2 is fixedly connected to the flange 9, when the central motor 2 is started, the housing 1 below the flange 9 rotates around the hollow shaft, driving the spray arm 4 and the nozzle 5 mounted on the housing 1 to rotate together. Meanwhile, the spray motor 3 drives the spray arm 4 and the nozzle 5 to rotate. By driving the spray with two different rotating shafts, the nozzle 5 can achieve a combination of rotation and revolution, which can achieve a larger coverage area.

[0029] Furthermore, by installing Hall sensors 6 in the transmission boxes of the central motor 2 and the spray motor 3, the movement position of the motors can be obtained in real time, thereby providing data support for monitoring the trajectory of the spray water flow. By acquiring the position movement information in real time, the spray range of the nozzle 5 can be monitored, and the rotation speeds of the central motor 2 and the spray motor 3 can be adjusted in a timely manner to cover the area, thus avoiding the problem of poor cleaning effect caused by the spraying of areas not covered by the nozzle 5.

[0030] like Figure 1-4 As shown, preferably, the housing 1 is composed of two parts, upper and lower, which facilitates later maintenance. The nozzle 5 includes a segment rod, a nozzle, a pressure plate, a mounting head, and a pin. The nozzle is provided at the bottom of the segment rod, and the mounting head is located outside the segment rod. A sealing ring is provided between the mounting head and the rotary joint. The pressure plate is used to press the sealing ring axially. There is an axial gap between the mounting head and the pressure plate, and the pin is detachably inserted into the axial gap.

[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A spray efficiency enhancement device for a cleaning equipment based on dual-motor drive, characterized in that, The cleaning equipment is equipped with a cleaning chamber, including: Shell (1); The first driving component (2) has its power output end fixedly connected to the inner wall of the cleaning chamber, and its body is fixedly connected to the housing (1) to drive the housing (1) to rotate around the first rotation axis. The second driving component is mounted on the housing (1) and rotates with the housing (1); Spray arm (4), the spray arm (4) is connected to the second driving component and rotates around the second rotating axis under the drive of the second driving component; The first rotary joint is used to connect the spray arm (4) to the guide arm in the housing (1); The nozzle (5) is mounted on the spray arm (4) and communicates with the spray channel in the spray arm. The guide arm has a first flow channel, which is connected to the spray flow channel in the spray arm through a first rotary joint, for the flow of liquid and / or gas.

2. The spray efficiency enhancement device for a cleaning equipment based on dual-motor drive according to claim 1, characterized in that: The first flow channel within the guide arm extends to the center of the housing to form a shaft flow channel that extends through the output shaft of the first drive component to the outside of the housing. One end of the shaft flow channel is connected to a second rotary joint, and the second rotary joint is connected to a guide tube for accessing liquids and / or gases.

3. The spray efficiency enhancement device for a cleaning equipment based on dual-motor drive according to claim 1, characterized in that: One end of the first flow channel of the guide arm is connected to a guide tube. The output transmission component of the first drive component is a hollow gear or bearing. The guide tube passes through the hollow shaft of the first drive component and extends to the outside of the housing for accessing liquid and / or gas.

4. The spray efficiency enhancement device for a cleaning equipment based on dual-motor drive according to claim 1, characterized in that, The spray arm has a flow channel shaft at one end, the flow channel shaft includes a rod segment and a mounting head, the housing (1) is provided with a gear, the second driving component drives the gear to rotate, the rod segment is fixedly connected to the gear, the end of the rod segment is fixedly connected to the mounting head, the mounting head is used to connect the spray arm, the rod segment includes a central flow channel, which is used to deliver liquid and / or gas to the spray flow channel of the spray arm.

5. The spray efficiency enhancement device for a cleaning equipment based on dual-motor drive according to claim 4, characterized in that, The first rotary joint includes a rotary sleeve, a sealing ring, and a pressure plate. The rotary sleeve is rotatably fitted on the outside of the rod segment and surrounds the first water inlet. The first water inlet connects the first flow channel in the guide arm and the central flow channel of the rod segment. The sealing ring is fitted between the outer wall of the rod segment and the inner wall of the rotary sleeve. A sealing ring is provided on each side of the water inlet along the axial direction of the rod segment to seal the water inlet position. Pressure plates are respectively provided on the outer wall of the rod segment on the side of the two sealing rings away from the water inlet to limit the axial displacement of the sealing rings.

6. The spray efficiency enhancement device for a cleaning equipment based on dual-motor drive according to claim 1, characterized in that, The first driving component is a central motor. A flange is fixed to the inner wall of the cleaning chamber of the cleaning equipment. The output shaft of the central motor is fixedly connected to the flange so that the housing rotates around the output shaft of the central motor.

7. The spray efficiency enhancement device for a cleaning equipment based on dual-motor drive according to claim 6, characterized in that: A snap ring (10) is provided at the connection between the flange (9) and the housing (1) to limit the axial displacement between the flange (9) and the housing (1).

8. The spray efficiency enhancement device for a cleaning equipment based on dual-motor drive according to claim 6, characterized in that: The second driving component is a spray motor. Both the central motor and the spray motor include a servo motor and a reduction gear set, a drive gear (7), a recording gear (8), and a Hall sensor (6) inside the transmission box. The drive gear in the central motor is fixedly connected to the flange (9) through the output shaft, and the drive gear in the spray motor (3) is fixedly connected to the spray arm (4) through the output shaft.

9. The spray efficiency enhancement device for a cleaning equipment based on dual-motor drive according to claim 8, characterized in that: The transmission ratio between the recording gear (8) and the drive gear (7) is 1. A magnet is provided on the recording gear (8). A Hall sensor (6) is fixedly connected to the inner wall of the transmission box at the position corresponding to the magnet, which is used to sense the rotation position of the recording gear (8).

10. The spray efficiency enhancement device for a cleaning equipment based on dual-motor drive according to claim 1, characterized in that: The nozzle (5) includes a nozzle, a sealing ring, and a pin. The end of the spray arm (4) is provided with a mounting head. The nozzle (5) is connected to the spray arm (4) through the mounting head. The nozzle (5) is provided with a limit mechanism for adjusting the spray direction of the nozzle (5). The sealing ring is provided between the mounting head and the nozzle. The pin is used to press the sealing ring axially upward.

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