Detachable anti-blocking spraying arm device

Abstract

The utility model discloses a detachable anti-clogging spray arm device, which relates to the technical field of spray arms of dishwashers, and comprises a spray arm, a connecting pipe and a protective connecting piece, the middle of the upper side of the spray arm is rotatably connected with a rotating rod, the upper end of the rotating rod is fixedly connected with a cleaning cover, the outer side of the rotating rod is sleeved with a coil spring, and the outer side of the rotating rod is fixedly connected with the protective connecting piece. The coil spring is in an undeformed state by default, the upper end of the coil spring is fixedly connected to the cleaning cover, the lower end of the coil spring is fixedly connected to the spraying arm, the lower end of the spraying arm is rotationally connected with a rotating bearing, and the lower end of the rotating bearing is fixedly connected with a connecting pipe. A spraying arm needs to be installed on a connecting pipe fixed to the bottom wall of the dish washing machine firstly, a worker aligns a fixing base at the lower end of the spraying arm to the connecting pipe, a threaded groove is formed in the outer side of the upper end of the connecting pipe, threads are arranged on the inner side of the fixing base, and the worker rotates the fixing base to be installed on the outer side of the connecting pipe for threaded installation.

Description

Technical Field

[0001] This utility model relates to the field of dishwasher spray arm technology, specifically a detachable anti-clogging spray arm device. Background Technology

[0002] The spray arm of a dishwasher is a key component inside the dishwasher. It is usually installed on the lower wall or bottom of the dishwasher and cleans the dishes placed on the upper shelf by rotating and spraying water. Its main function is to spray water evenly onto the dishes inside the dishwasher, thereby helping to clean them. The spray arm rotates and sprays water at high pressure to ensure that water can cover every corner of every piece of tableware, effectively removing food residue and grease.

[0003] After the dishwasher is started, the water pump draws water from the dishwasher's water tank and pressurizes it. The pressurized water enters the spray arm through the connecting pipe. The spray arm usually has multiple small nozzles. When water is sprayed from the nozzles on the surface of the spray arm, the spray arm rotates due to the pressure of the water flow, ensuring that the water flow can cover the surface of the tableware inside the dishwasher.

[0004] The above-mentioned utility model has the following problems:

[0005] In the prior art, during long-term use, minerals (such as calcium and magnesium) in the water may deposit at the nozzles of the spray arm of the dishwasher, forming limescale, which can lead to clogging of the spray arm. In addition, when the dishwasher is washing the dishes, food debris, grease, or detergent may accumulate at the nozzles of the spray arm, which may also cause nozzle clogging or poor water flow.

[0006] Therefore, those skilled in the art have provided a detachable anti-clogging spray arm device to solve the problems mentioned in the background art. Utility Model Content

[0007] The purpose of this invention is to provide a detachable anti-clogging spray arm device to solve the problems mentioned in the background art.

[0008] To achieve the above objectives, this utility model provides the following technical solution:

[0009] A detachable anti-clogging spray arm device includes a spray arm, a connecting pipe, and a protective connector. A rotating rod is fixedly connected to the middle of the upper side of the spray arm. A cleaning cover is rotatably connected to the upper end of the rotating rod. A coil spring is sleeved on the outer side of the rotating rod. The coil spring is in an undeformed state by default. The upper end of the coil spring is fixedly connected to the cleaning cover.

[0010] As a further embodiment of this utility model: the lower end of the coil spring is fixedly connected to the spray arm, the lower end of the spray arm is rotatably connected to a rotating bearing, the lower end of the rotating bearing is fixedly connected to a connecting pipe, and multiple sets of nozzles are provided on the upper side of the spray arm, with cleaning guide grooves provided on the outer side of each set of nozzles.

[0011] As a further improvement of this utility model: the upper end of the spray arm is provided with guide grooves near the multiple sets of nozzles, and the lower end of the cleaning cover is fixedly connected with springs at the positions opposite to the multiple sets of nozzles, with the springs defaulting to the extended state.

[0012] As a further improvement of this utility model: the lower ends of the multiple sets of springs are all fixedly connected to cleaning components, and the lower ends of the multiple sets of cleaning components are all fixedly connected to guide rods, with the guide rods and guide grooves working together.

[0013] As a further improvement of this utility model, limiting components are fixedly connected to both sides of the spray arm, and the two sets of limiting components and the cleaning cover are used in cooperation with each other.

[0014] As a further embodiment of this utility model: the connecting pipe movably penetrates the protective connector, the connecting pipe is threadedly connected to the inner side of the fixed base, and the connector is threadedly connected to the outer side of the fixed base.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This utility model, by setting up components such as a cleaning cover, cleaning parts, and guide rods, can effectively clean scale, food residue, and grease from the nozzle, preventing the nozzle from becoming clogged due to scale or dirt accumulation after long-term use. The cleaning mechanism keeps the spray arm in good working condition, ensuring that the cleaning effect is not affected. Thus, users do not need to worry about the spray arm becoming clogged due to long-term use, reducing the frequency of maintenance and cleaning, while improving the convenience and effectiveness of the dishwasher.

[0017] 2. The spray arm and connecting pipe of this utility model are detachable, allowing users to easily disassemble the spray arm for cleaning and maintenance, facilitating the removal of scale or debris, extending the service life of the spray arm, and making cleaning and maintenance convenient. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of a detachable anti-clogging spray arm device.

[0019] Figure 2 In a detachable anti-clogging spray arm device Figure 1 A magnified schematic diagram of the structure of A in the middle.

[0020] Figure 3In a detachable anti-clogging spray arm device Figure 1 A magnified schematic diagram of the structure of B in the middle.

[0021] Figure 4 This is a schematic diagram of the cleaning mechanism in a detachable anti-clogging spray arm device.

[0022] In the diagram: 1. Spray arm, 2. Rotating rod, 3. Cleaning cover, 4. Coil spring, 5. Nozzle, 6. Guide groove, 7. Rotating bearing, 8. Connecting pipe, 9. Protective connector, 10. Spring, 11. Cleaning component, 12. Guide rod, 13. Cleaning component guide groove, 14. Limiting component, 15. Fixed base. Detailed Implementation

[0023] 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.

[0024] Example 1

[0025] Reference Figure 1 This embodiment provides a detachable anti-clogging spray arm device, including a spray arm 1, a connecting pipe 8, and a protective connector 9. The lower end of the spray arm 1 is rotatably connected to a rotating bearing 7, and the lower end of the rotating bearing 7 is fixedly connected to the connecting pipe 8. Multiple sets of nozzles 5 are provided on the upper side of the spray arm 1. The connecting pipe 8 movably passes through the protective connector 9 and is threadedly connected to the inner side of the fixed base 15. The connector 9 is threadedly connected to the outer side of the fixed base 15.

[0026] When using the spray arm 1 of this utility model, the spray arm 1 is installed onto the connecting pipe 8 fixed on the bottom wall of the dishwasher. The operator aligns the fixed base 15 at the lower end of the spray arm 1 with the connecting pipe 8. A threaded groove is provided on the outer side of the upper end of the connecting pipe 8 (a sealing rubber gasket is fixedly connected in the threaded groove of the connecting pipe 8, ensuring a sealed and waterproof connection between the connecting pipe 8 and the fixed base 15 during threaded installation). The inner side of the fixed base 15 is threaded. The operator rotates the fixed base 15 to install it onto the outer side of the connecting pipe 8 via threaded installation. The inner side of the protective connecting part 9 is threaded, and the outer side of the fixed base 15 is threaded. The operator then rotates the protective connector 9 and screws it onto the outside of the fixed base 15. The protective connector 9 and the fixed base 15 are threaded together, providing additional stability to the fixed base 15 and the connecting pipe 8. The protective connector 9 also protects the connection between the fixed base 15 and the connecting pipe 8. When the dishwasher is in use, the dishwasher's water pump delivers water from the external water pipe to the connecting pipe 8. The water in the connecting pipe 8 enters the spray arm 1 through the inside of the fixed base 15 and the rotating bearing 7 (a water pipe is fixedly installed on the inside of the fixed base 15 and the rotating bearing 7, and the water pipe delivers water to the spray arm).

[0027] Example 2

[0028] Reference Figure 1 , 2 3, 4. This embodiment is based on the previous embodiment, but differs from the previous embodiment in that a rotating rod 2 is fixedly and rotatably connected to the upper side of the spray arm 1, a cleaning cover 3 is rotatably connected to the upper end of the rotating rod 2, a coil spring 4 is sleeved on the outer side of the rotating rod 2, the coil spring 4 is in an undeformed state by default, the upper end of the coil spring 4 is fixedly connected to the cleaning cover 3, the lower end of the coil spring 4 is fixedly connected to the spray arm 1, a cleaning component guide groove 13 is opened on the outer side of the multiple sets of nozzles 5, a guide groove 6 is opened on the upper end of the spray arm 1 near the multiple sets of nozzles 5, a spring 10 is fixedly connected to the lower end of the cleaning cover 3 at the position opposite to the multiple sets of nozzles 5 by default, the spring 10 is in an extended state by default, a cleaning component 11 is fixedly connected to the lower end of the multiple sets of springs 10, a guide rod 12 is fixedly connected to the lower end of the multiple sets of cleaning components 11, the guide rod 12 and the guide groove 6 cooperate with each other, and a limiting component 14 is fixedly connected to both sides of the spray arm 1, the two sets of limiting components 14 and the cleaning cover 3 cooperate with each other;

[0029] Before using the dishwasher, the user holds the spray arm with one hand and gently pushes the cleaning cover 3 counterclockwise with the other hand. Simultaneously, the coil spring 4 assists in rotating and opening the cleaning cover 3 (if the user does not gently push the cleaning cover 3, the coil spring 4 cannot move it). The spring 10 on the lower side of the cleaning cover 3 undergoes tilting deformation, causing the cleaning component 11 to move away from the nozzle 5. The guide rod 12 at the lower end of the cleaning component 11 slides out through the guide groove 6. Then, the operator starts the machine. When water enters the spray arm 1, the nozzle 5 and the spray arm 1 have a certain tilt angle. When the nozzle 5 sprays water, the spray arm 1... The spray arm 1 rotates forward due to the pressure of the water jet, and the sprayed water cleans the dishes in the dishwasher. When the spray arm 1 rotates, the limiting member 14 limits the cleaning cover 3, and the cleaning cover 3 will not rotate to drive the cleaning component into the nozzle 5 because the spring 10 exerts a downward force on the cleaning component 12. After the dishwasher is finished, the user holds the spray arm 1 with one hand and gently pushes the cleaning cover 3 clockwise with the other hand, so that the cleaning component 11 at the lower end of the cleaning cover 3 slides into the nozzle 5 through the guide rod 12 in the guide groove 6. The cleaning component 11 cleans the scale and deposits deposited at the nozzle 5.

[0030] It should be noted that a drain port is provided on one side of the lower end of the spray arm. A drain plug is threaded onto the inner side of the drain port, and the surface of the drain plug has a sealing rubber gasket. When the spray arm is in normal use, the drain plug is threaded onto the drain port to block the drain port, and the sealing rubber gasket prevents water leakage. When it is necessary to clean the inside of the spray arm, rotate the drain plug to remove it from the drain port, and then cover the spray arm with a cleaning cap to block the nozzle, allowing the dirt in the spray arm to be discharged from the drain port.

[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims. Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This method of description is merely for clarity, and those skilled in the art should consider the specification as a whole. The technical solutions in the various embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A detachable anti-clogging spray arm device, comprising a spray arm (1), a connecting pipe (8), and a protective connector (9), characterized in that, A rotating rod (2) is fixedly connected to the upper middle of the spray arm (1). A cleaning cover (3) is rotatably connected to the upper end of the rotating rod (2). A coil spring (4) is sleeved on the outer side of the rotating rod (2). The coil spring (4) is in an undeformed state by default. The upper end of the coil spring (4) is fixedly connected to the cleaning cover (3). The lower end of the coil spring (4) is fixedly connected to the spray arm (1). A rotating bearing (7) is rotatably connected to the lower end of the spray arm (1). A connecting pipe (8) is fixedly connected to the lower end of the rotating bearing (7).

2. The detachable anti-clogging spray arm device according to claim 1, characterized in that, The upper side of the spray arm (1) has multiple sets of nozzles (5), and the outer side of each set of nozzles (5) is provided with a cleaning guide groove (13). The upper end of the spray arm (1) is provided with a guide groove (6) near the multiple sets of nozzles (5).

3. The detachable anti-clogging spray arm device according to claim 1, characterized in that, The lower end of the cleaning cover (3) is fixedly connected to a spring (10) at a position opposite to the multiple sets of nozzles (5). The spring (10) is in a spring-extended state by default. The lower end of the multiple sets of springs (10) is fixedly connected to a cleaning component (11), and the lower end of the multiple sets of cleaning components (11) is fixedly connected to a guide rod (12).

4. A detachable anti-clogging spray arm device according to claim 3, characterized in that, The guide rod (12) and the guide groove (6) are used in conjunction with each other.

5. A detachable anti-clogging spray arm device according to claim 1, characterized in that, Both sides of the spray arm (1) are fixedly connected to limiting components (14), and the two sets of limiting components (14) and the cleaning cover (3) cooperate with each other.

6. A detachable anti-clogging spray arm device according to claim 1, characterized in that, The connecting pipe (8) movably passes through the protective connector (9), and the connecting pipe (8) is threadedly connected to the inner side of the fixed base (15), while the connector (9) is threadedly connected to the outer side of the fixed base (15).

Images