A washing machine inner drum with a kneading function

Abstract

This application relates to the technical field of industrial washing machines, and discloses a washing machine inner cylinder with a kneading function, including a cylinder body. A first rib is arranged in the cylinder body, and a plurality of the first ribs are evenly arranged along the circumferential direction of the cylinder body. The first rib is spirally arranged along the inner side wall of the cylinder body. A kneading shaft coaxial with the cylinder body is arranged in the cylinder body. This application is convenient for washing clothes in multiple directions and improves the washing effect.

Description

Technical Field

[0001] This application relates to the technical field of industrial washing machines, and particularly to an inner cylinder of a washing machine with a kneading function. Background Art

[0002] An industrial washing machine is a washing device used in industrial production. It has a compact structure, and its main components, the inner liner and the outer shell, are all made of high-quality stainless steel. It has the advantages of high washing efficiency, small floor area, beautiful appearance, excellent performance, and durability. The structure of the inner liner of the currently used industrial washing machine is as follows: It includes a cylindrical inner liner formed by a bottom plate and side walls. A number of through holes are evenly distributed on the side walls of the inner liner, and the inner surface of the side walls of the inner liner is a smooth surface.

[0003] However, in the process of implementing the relevant technical solutions, it is found that there are at least the following technical problems: During the rotation of the inner liner, during the rotation of the inner liner, the clothes will be lifted to a certain height by the rib plates in the rotating inner liner, and then the clothes lifted to a certain height will fall under the action of their own gravity to form beating and kneading. In addition, the clothes will also have axial movement in the inner liner, thus forming moving and kneading. However, the inner liner cannot make the clothes form frictional kneading along the circumferential direction of the inner liner, the kneading is not in place, the washing effect on the clothes is poor and the cleanliness is low. Summary of the Invention

[0004] This application provides an inner cylinder of a washing machine with a kneading function, which solves the problem that in the prior art, the inner liner cannot make the clothes form frictional kneading along the circumferential direction of the inner liner, the kneading is not in place, the washing effect on the clothes is poor and the cleanliness is low, and realizes washing the clothes in multiple directions and improving the washing effect.

[0005] This application provides an inner cylinder of a washing machine with a kneading function, including a cylinder body. A first convex strip is arranged in the cylinder body. A plurality of the first convex strips are evenly arranged along the circumferential direction of the cylinder body, and the first convex strips are spirally arranged along the inner side wall of the cylinder body. A kneading shaft coaxial with the cylinder body is arranged in the cylinder body.

[0006] Further, a plurality of second convex strips are arranged on the outer side wall of the kneading shaft. A plurality of the second convex strips are evenly arranged along the circumferential direction of the kneading shaft, and the second convex strips are spirally arranged along the outer side wall of the kneading shaft.

[0007] Further, the kneading shaft is rotationally connected to the inner end surface of the cylinder body, and the rotation directions of the cylinder body and the kneading shaft are opposite.

[0008] Further, a driving mechanism is provided on the outer end surface of the cylinder body. The driving mechanism includes a driving gear disposed at the end of the kneading shaft, a driven gear rotatably disposed on the outer end surface of the cylinder body, and a toothed ring disposed on the outer end surface of the cylinder body. The toothed ring is coaxially disposed with the cylinder body. One side of the driven gear meshes with the toothed ring, and the other side of the driven gear meshes with the driving gear.

[0009] Further, the kneading shaft is of a hollow structure.

[0010] Further, the first rib is formed by concave-convex of the outer side wall of the cylinder body.

[0011] Further, the second rib is formed by convex-concave of the inner side wall of the kneading shaft.

[0012] Further, a groove is formed by concave-convex of the outer side wall of the cylinder body at the position of the first rib. A plurality of water inlet holes are opened at the bottom of the groove. A plurality of sealing strips are disposed at the notch of the groove. The groove and the sealing strips form a cavity. An inlet water mechanism communicating with the cavity is disposed outside the cylinder body.

[0013] Further, the inlet water mechanism includes a connecting pipe disposed on the sealing strip and communicating with the inside of the cavity, an inner ring pipe sleeved outside the cylinder body, and an outer ring pipe sleeved outside the inner ring pipe and rotatably matched with the inner ring pipe. The other end of the connecting pipe is fixed on the inner ring pipe and is connected with the inside of the inner ring pipe. The inner ring pipe is communicated with the outer ring pipe. The outer ring pipe is used for communicating with the water inlet pipe of the washing machine.

[0014] Further, a plurality of rubber protrusions are disposed on the outer side wall of the second rib along its extending direction.

[0015] The technical solution provided in this application has at least the following technical effects or advantages:

[0016] 1. Since the first rib and the kneading shaft are adopted, when the cylinder body rotates, the kneading shaft and the first rib are used to knead the clothes in multiple directions. The first rib formed by concave-convex and the second rib formed by convex-concave can help to reduce the weight of the overall structure. The first rib and the second rib in a spiral state rotate in opposite directions, simulating the function of manual laundry to knead the clothes, greatly improving the washing effect, effectively solving the problem that in the prior art, the inner liner cannot make the clothes form frictional kneading along the circumferential direction of the inner liner, the kneading is not in place, the washing effect on the clothes is poor and the washing degree is low, realizing multi-directional washing of the clothes and improving the washing effect.

[0017] 2. Since the driving mechanism is adopted, when the kneading shaft rotates, the cylinder body can be rotated in the opposite direction to the kneading shaft by using the structure of the cylinder body itself, so as to better knead the clothes. The structure is simple, easy to operate, and is beneficial to enhancing the kneading effect.

[0018] 3. Since the water inlet mechanism is adopted, when the cylinder rotates, it is convenient to introduce water into the cylinder, and the water flows into the groove. Inside the cylinder, the clothes are in full contact with the first convex strip. Through the spiral water flow, the water can be quickly introduced into the cylinder to wet the clothes for washing. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of the cylinder in the embodiment of the present application;

[0020] Figure 2 It is a schematic diagram of the internal structure of the cylinder in the embodiment of the present application;

[0021] Figure 3 It is a cross-sectional view of the cylinder in the embodiment of the present application;

[0022] Figure 4 is Figure 3 an enlarged schematic view of part A in

[0023] In the figure: 1. Cylinder; 11. Rubber strip; 12. Water seepage hole; 13. First convex strip; 14. Second convex strip; 141. Water inlet hole; 142. Protrusion; 15. Guide ring; 16. Groove; 2. Driving mechanism; 21. Driving gear; 22. Driven gear; 23. Tooth ring; 24. Rotating rod; 3. Water inlet mechanism; 31. Connecting pipe; 32. Inner ring pipe; 33. Outer ring pipe; 34. Sealing strip; 35. Edge; 4. Kneading shaft. Detailed Embodiment

[0024] The embodiment of the present application discloses a washing machine inner cylinder with a kneading function. When the cylinder 1 rotates, the kneading shaft 4 and the first convex strip 13 are used to knead the clothes in multiple directions. The first convex strip 13 formed by concave and the second convex strip 14 formed by convex can help to reduce the weight of the overall structure. The first convex strip 13 and the second convex strip 14 in a spiral state rotate in opposite directions, simulating the function of manually kneading clothes by a person, greatly improving the washing effect, effectively solving the problem that in the prior art, the inner liner cannot cause the clothes to form frictional kneading along the circumferential direction of the inner liner, the kneading is not in place, the washing effect on the clothes is poor and the cleaning degree is low, and realizing washing the clothes in multiple directions and improving the washing effect.

[0025] In order to better understand the above technical solution, the following will combine the specification drawings and specific embodiments to describe the above technical solution in detail.

[0026] Refer to Figure 1 、 Figure 2 and Figure 3, a washing machine inner drum with a kneading function, includes a cylindrical drum body 1. One end of the drum body 1 corresponding to the washing machine's sealed door is in an open state, and the other end is in a sealed state. A plurality of spirally arranged rubber strips 11 are fixedly installed on the inner side wall of the drum body 1. The rubber strips 11 are evenly arranged in a plurality along the circumferential direction of the drum body 1, which can improve the cleaning effect on clothes. A plurality of water seepage holes 12 are provided on the circumferential side wall of the drum body 1. A column of water seepage holes 12 is arranged between every two rubber strips 11, and the arrangement shape of each column of water seepage holes 12 is spiral. A first rib 13 is integrally formed inside the drum body 1. The first rib 13 is formed by the inward concavity of the outer side wall of the drum body 1. The first ribs 13 are evenly arranged in a plurality along the circumferential direction of the drum body 1, and the first ribs 13 are spirally arranged along the inner side wall of the drum body 1. A kneading shaft 4 is rotatably connected inside the drum body 1. The kneading shaft 4 is in a hollow state, and a rotating shaft is coaxially fixedly installed at the center of the kneading shaft 4. One end of the rotating shaft passes through the sealed end of the drum body 1. A second rib 14 is integrally formed on the outer side wall of the kneading shaft 4. The second rib 14 is formed by the outward convexity of the inner side wall of the kneading shaft 4. The second ribs 14 are evenly arranged in a plurality along the circumferential direction of the kneading shaft 4, and the second ribs 14 are spirally arranged along the outer side wall of the kneading shaft 4. The width of the second rib 14 connected to the kneading shaft 4 is greater than the width of the second rib 14 away from the kneading shaft 4. The spiral directions of the first rib 13 and the second rib 14 are opposite, which can further improve the relative kneading performance. A plurality of rubber protrusions 142 arranged along its extending direction are fixedly installed on the outer side wall of the second rib 14. The protrusions 142 can further increase the friction force on the clothes and improve the kneading function on the clothes. Guide rings 15 are fixedly installed on the outer peripheral surface of the drum body 1 and near both ends. A plurality of rollers are fixed inside the washing machine and cooperate with the guide rings 15, which can enable the drum body 1 to rotate stably around its own axis.

[0027] Refer to Figure 1 , Figure 2 and Figure 3, the kneading shaft 4 is rotatably connected to the inner end face of the cylinder body 1, and the rotation directions of the cylinder body 1 and the kneading shaft 4 are opposite. A driving mechanism 2 is installed on the outer end face of the cylinder body 1 to realize the reverse rotation of the cylinder body 1 and the kneading shaft 4. The driving mechanism 2 includes a driving gear 21, a driven gear 22, and a toothed ring 23. A coaxial rotating rod 24 is fixed inside the kneading shaft 4. One end of the rotating rod 24 passes through the end face of the cylinder body 1, and the other end of the rotating rod 24 is fixed to the inner end face of the kneading shaft 4, which can improve the support for the kneading shaft 4. The driving gear 21 is fixed to the end of the rotating rod 24 and is rotatably matched with the end of the cylinder body 1. The driven gear 22 is rotatably connected to the outer end face of the cylinder body 1. The toothed ring 23 is fixedly installed on the outer end face of the cylinder body 1 and is coaxial with the cylinder body 1. One side of the driven gear 22 meshes with the toothed ring 23, and the other side of the driven gear 22 meshes with the driving gear 21. The end of the rotating rod 24 is fixedly connected to the motor rotating shaft of the washing machine, which can drive the kneading shaft 4 to rotate through the motor. Due to the structure of the driving mechanism 2, the cylinder body 1 can be driven to rotate in reverse relative to the kneading shaft 4.

[0028] Referring to Figure 3 and Figure 4 , a water inlet mechanism 3 is installed on the outer peripheral surface of the cylinder body 1 to facilitate water to flow into the inside of the cylinder body 1. The water inlet mechanism 3 includes a connecting pipe 31, an inner ring pipe 32, and an outer ring pipe 33. A groove 16 is recessed in the outer side wall of the cylinder body 1 at the position of the first rib 13. A plurality of water inlet holes 141 are opened at the bottom of the groove 16. The water inlet holes 141 are evenly arranged along the spiral direction of the groove 16, which can evenly distribute the water inlet. A plurality of sealing strips 34 are fixed at the notch of the groove 16. A cavity is formed between the groove 16 and the sealing strips 34. The connecting pipe 31 is fixedly installed on the sealing strips 34 and is close to one end of the sealing strips 34. Both the outer ring pipe 33 and the inner ring pipe 32 are sleeved outside the cylinder body 1, and the inner ring pipe 32 and the outer ring pipe 33 are rotatably matched. One end of the connecting pipe 31 is communicated with the inner side wall of the inner ring pipe 32, and the other end of the connecting pipe 31 is communicated with the cavity. The inner ring pipe 32 is communicated with the outer ring pipe 33, and the outer ring pipe 33 is used to be connected with the water inlet pipe of the washing machine. Specifically, a first annular groove is opened on the inner side wall of the outer ring pipe 33, and a second annular groove is opened on the outer side wall of the inner ring pipe 32. Edge portions 35 are formed on the outer side wall of the inner ring pipe 32 and are close to both ends. The edge portions 35 pass through the first annular groove and are inserted into the outer ring pipe 33, and the edge portions 35 are rotatably matched with the inner side wall of the outer circumferential surface of the outer ring pipe 33, and a sealing ring is arranged at the connection part to reduce water leakage at the connection part.

[0029] The working principle of the embodiment of this application is as follows: By putting clothes into the cylinder 1, the first ridges 13 and the second ridges 14 in the cylinder 1 can fully knead the clothes located in the cylinder 1, improving the cleaning ability of the clothes. Moreover, the concave first ridges 13 and the convex second ridges 14 are beneficial to reducing the self-weight of the cylinder 1 and can better scrub the clothes. The driving mechanism 2 can automatically make the kneading shaft 4 and the cylinder 1 rotate in opposite directions, and the overall structure is stable and reliable.

[0030] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention is also intended to include these changes and modifications.

[0031] The above is only the preferred specific implementation mode of the embodiment of this application, but the protection scope of this application is not limited thereto. Any person skilled in the art within the technical scope disclosed in this application, according to the technical solution and its concept of this application, makes equivalent replacements or changes, and should be covered by the protection scope of this application.

Claims

1. A washing machine inner drum with a kneading function, comprising a drum body (1), characterized in that, a first rib (13) is arranged inside the drum body (1), a plurality of the first ribs (13) are evenly arranged along the circumferential direction of the drum body (1), the first ribs (13) are spirally arranged along the inner side wall of the drum body (1), and a kneading shaft (4) coaxial with the drum body (1) is arranged inside the drum body (1); the first rib (13) is formed by the inward concavity of the outer side wall of the drum body (1); a groove (16) is formed by the inward concavity of the outer side wall of the drum body (1) at the position of the first rib (13), a plurality of water inlet holes (141) are opened at the bottom of the groove (16), a plurality of sealing strips (34) are arranged at the notch of the groove (16), a cavity is formed by the groove (16) and the sealing strips (34), and a water inlet mechanism (3) communicated with the cavity is arranged outside the drum body (1); the water inlet mechanism (3) includes a connecting pipe (31) arranged on the sealing strip (34) and communicated with the inside of the cavity, an inner ring pipe (32) sleeved outside the drum body (1), and an outer ring pipe (33) sleeved outside the inner ring pipe (32) and rotatably matched with the inner ring pipe (32), the other end of the connecting pipe (31) is fixed on the inner ring pipe (32) and communicated with the inside of the inner ring pipe (32), the inner ring pipe (32) is communicated with the outer ring pipe (33), and the outer ring pipe (33) is used for being communicated with the water inlet pipe of the washing machine.

2. A washing machine inner drum with a kneading function according to claim 1, characterized in that, a plurality of second ribs (14) are arranged on the outer side wall of the kneading shaft (4), a plurality of the second ribs (14) are evenly arranged along the circumferential direction of the kneading shaft (4), and the second ribs (14) are spirally arranged along the outer side wall of the kneading shaft (4).

3. A washing machine inner drum with a kneading function according to claim 2, characterized in that, the kneading shaft (4) is rotatably connected to the inner end surface of the drum body (1), and the rotation directions of the drum body (1) and the kneading shaft (4) are opposite.

4. A washing machine inner drum with a kneading function according to claim 3, characterized in that, a driving mechanism (2) is arranged on the outer end surface of the drum body (1), the driving mechanism (2) includes a driving gear (21) arranged at the end of the kneading shaft (4), a driven gear (22) rotatably arranged on the outer end surface of the drum body (1), and a toothed ring (23) arranged on the outer end surface of the drum body (1), the toothed ring (23) is coaxial with the drum body (1), one side of the driven gear (22) is meshed with the toothed ring (23), and the other side of the driven gear (22) is meshed with the driving gear (21).

5. A washing machine inner drum with a kneading function according to claim 1, characterized in that, the kneading shaft (4) is of a hollow structure.

6. A washing machine inner drum with a kneading function according to claim 2, characterized in that, the second rib (14) is formed by the outward protrusion of the inner side wall of the kneading shaft (4).

7. A washing machine inner drum with a kneading function according to claim 2, characterized in that, A plurality of rubber protrusions (142) are arranged on the outer side wall of the second rib (14) along its extending direction.

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