Water inlet structure of inner drum and drum-type washing machine

Abstract

The application discloses a water inlet structure of an inner drum and a drum washing machine. The water inlet structure of the inner drum comprises an inner drum shaft and a water inlet pipe. The inner drum shaft is provided with a water inlet at one end in the axial direction. The water outlet of the water inlet pipe is provided with a water outlet adapter which is communicated with the water inlet of the inner drum shaft. The water outlet adapter is semispherical. The water outlet of the water inlet pipe is communicated with the water outlet adapter along the tangent direction of the water outlet adapter. The water outlet adapter is semispherical. The water inlet of the water outlet of the water inlet pipe is arranged to flow into the water outlet adapter along the tangent direction of the water outlet adapter. The resistance of the water inlet pipe to the water inlet into the water outlet adapter is reduced, and the water inlet efficiency of the water inlet pipe is improved. The application further provides a drum washing machine which comprises an inner drum, an inner drum support for mounting the inner drum, and a motor. The motor is arranged on the inner drum support. The drum washing machine further comprises the water inlet structure of the inner drum. The inner drum shaft is arranged at the bottom of the inner drum and extends along the front-to-back direction of the inner drum. The inner drum shaft penetrates through the inner drum support and is connected with the motor.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of household appliances, in particular, relates to a water inlet structure of an inner drum and a drum washing machine. BACKGROUND

[0002] In the prior art, the drum washing machine generally comprises an inner drum for containing clothes, an inner drum support for mounting the inner drum, and a motor, the bottom of the inner drum is provided with an inner drum shaft extending along the left-right direction of the inner drum, the motor is arranged on the inner drum support, the inner drum shaft penetrates through the inner drum support and is connected with the motor, the motor drives the inner drum shaft to rotate, thereby driving the inner drum to rotate, so as to realize the tumble washing of the clothes by the inner drum; wherein the inner drum support comprises an outer drum for containing washing water, the inner drum is rotatably assembled in the outer drum, and a dewatering hole is arranged on the inner drum to enable the water in the outer drum to flow into the inner drum to soak the clothes in the inner drum, the water in the inner drum to flow out to the outer drum through the dewatering hole, and the water on the clothes in the inner drum to be discharged to the outer drum through the dewatering hole when the inner drum rotates at high speed, so as to achieve the purpose of washing the clothes.

[0003] In the existing drum washing machine, the inner drum shaft is hollow, the water inlet pipe is communicated with the inner drum shaft to realize water inlet of the inner drum; the inner drum shaft is provided with a water inlet at one end in the axial direction, the water outlet of the water inlet pipe is provided with a water outlet adapter communicated with the water inlet of the inner drum shaft, the water outlet adapter is generally square, the water outlet of the water inlet pipe is communicated with the water outlet adapter along the side wall perpendicular to the water outlet adapter, that is, the water outlet of the water inlet pipe is arranged to inlet water into the water outlet adapter along the direction perpendicular to the side wall of the water outlet adapter, which increases the resistance of the transition between the water outlet of the water inlet pipe and the side wall of the water outlet adapter to water inlet, and reduces the water inlet efficiency of the water inlet pipe. SUMMARY

[0004] The technical problem to be solved by the present application is to overcome the deficiencies in the prior art, and to provide a water inlet structure of an inner drum and a drum washing machine, so as to set the water outlet adapter as a semispherical shape, and arrange the water inlet of the water outlet of the water inlet pipe to inlet water into the water outlet adapter along the tangent direction of the water outlet adapter, so as to reduce the resistance of the water inlet pipe to inlet water into the water outlet adapter, and improve the water inlet efficiency of the water inlet pipe.

[0005] To solve the above technical problems, the basic idea of the technical solution adopted by the present application is:

[0006] The present application provides a water inlet structure of an inner drum, comprising an inner drum shaft extending in the horizontal direction and being hollow inside, and a water inlet pipe, the inner drum shaft is provided with a water inlet at one end in the axial direction, the water outlet of the water inlet pipe is provided with a water outlet adapter communicated with the water inlet of the inner drum shaft, the water outlet adapter is semispherical, and the water outlet of the water inlet pipe is communicated with the water outlet adapter along the tangent direction of the water outlet adapter.

[0007] Further, the water outlet adapter is provided with an opening at the diameter end, the inner cylinder shaft is inserted into the water outlet adapter through the opening, and the water outlet of the water inlet pipe is arranged at 90 degrees with the water inlet of the inner cylinder shaft and faces the inner cylinder shaft and the water outlet adapter.

[0008] Further, the water outlet adapter is provided with a first protrusion extending outward and radially at the outer periphery of the opening, and the first protrusion is provided with a plurality of first mounting holes for fixing the water outlet adapter.

[0009] Further, the bearing seat is further provided with a shaft hole for supporting the inner cylinder shaft, the opening of the water outlet adapter faces the bearing seat and is buckled on the bearing seat, the water outlet adapter covers the shaft hole, the first protrusion is fixed on the bearing seat through the first mounting hole, and a sealing structure is arranged between the bearing seat and the first protrusion.

[0010] Further, the bearing seat is further provided with a second protrusion extending outward and radially at the outer periphery of one end of the shaft hole, and the sealing structure is arranged between the second protrusion and the first protrusion.

[0011] Further, the sealing structure comprises an annular sealing ring, the second protrusion is provided with a positioning groove around one end of the shaft hole, the groove opening of the positioning groove faces the second protrusion, and part of the sealing ring is embedded in the positioning groove, and the part of the sealing ring exposed outside the positioning groove abuts against the first protrusion.

[0012] Further, the first mounting holes are arranged in a circle along the circumferential direction of the first protrusion, and the projection of the positioning groove on the first protrusion is in the inner periphery of the first mounting holes arranged in a circle.

[0013] Further, the second protrusion is provided with a plurality of second mounting holes arranged in a circle around the positioning groove and fixed on the second protrusion, and the projection of the first mounting holes arranged in a circle on the second protrusion is in the inner periphery of the second mounting holes arranged in a circle.

[0014] Further, the water inlet pipe comprises a first water inlet pipe and a second water inlet pipe, the first water inlet pipe is a plastic pipe, the second water inlet pipe is a rubber pipe, the water outlet of the first water inlet pipe is provided with the water outlet adapter, the water inlet of the first water inlet pipe is provided with a rubber joint, and the rubber joint of the first water inlet pipe is integrally formed with the second water inlet pipe.

[0015] The application also provides a drum washing machine comprising an inner cylinder, an inner cylinder support for mounting the inner cylinder, and a motor, wherein the motor is arranged on the inner cylinder support, and the water inlet structure of the inner cylinder is provided by the above technical solution, the inner cylinder shaft is arranged at the bottom of the inner cylinder and extends along the front-rear direction of the inner cylinder, and the inner cylinder shaft penetrates through the inner cylinder support and is connected with the motor.

[0016] After adopting the above technical solution, the application has the following beneficial effects compared with the prior art.

[0017] The water outlet adapter is in a semi-spherical shape, and the water inlet of the water outlet of the water inlet pipe is arranged to flow into the water outlet adapter along the tangent direction of the water outlet adapter, so as to reduce the resistance of the transition between the water outlet of the water inlet pipe and the water outlet adapter to the water inlet, and improve the water inlet efficiency of the water inlet pipe.

[0018] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which are part of the present application, serve to provide a further understanding of the present application, the illustrative embodiments of the present application and their descriptions serve to explain the present application, but do not constitute an improper limitation on the present application. Obviously, the drawings described below are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0020] Figure 1 is a structural schematic view of the water inlet structure of the inner cylinder provided by the embodiments of the present application;

[0021] Figure 2 is Figure 1 is an enlarged view at B;

[0022] Figure 3 is a sectional view of the structural schematic view of the water inlet structure of the inner cylinder provided by the embodiments of the present application;

[0023] Figure 4 is Figure 3 is an enlarged view at A;

[0024] Figure 5 is a structural schematic view of the motor support structure provided by the embodiments of the present application;

[0025] Figure 6 is Figure 5 is an enlarged view at A;

[0026] Figure 7 is a structural schematic view of the motor support structure provided by the embodiments of the present application;

[0027] Figure 8 is Figure 7 is an enlarged view at B;

[0028] Figure 9 is a structural schematic view of the drum washing machine provided by the embodiments of the present application.

[0029] In the figure: 1-inner cylinder shaft; 2-water inlet pipe; 21-first water inlet pipe; 22-second water inlet pipe; 23-water outlet adapter; 3-first protrusion; 31-first mounting hole; 4-bearing seat; 41-second protrusion; 411-positioning groove; 42-second mounting hole; 6-sealing structure; 61-annular sealing ring; 7-motor; 8-inner cylinder support; 9-motor support structure; 91-shaft hole; 92-U-shaped support part; 921-first support part; 9211-positioning groove; 9212-first fixing hole; 922-second support part; 93-fixing part; 931-second fixing hole; 17-flow guide structure; 171-first flange; 172-second flange; 18-annular concave pressure type.

[0030] It should be noted that the drawings and the written description are not intended to limit the scope of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments will be described clearly and completely below in combination with the drawings of the embodiments of the present application. The following embodiments are used to illustrate the present application, but not to limit the scope of the present application.

[0032] In the description of the present application, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0033] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] As Figure 1 and Figure 2As shown in the drawings, the application provides a water inlet structure of an inner cylinder, which comprises an inner cylinder shaft 1 extending in a horizontal direction and hollow inside, and a water inlet pipe 2, the inner cylinder shaft 1 is provided with a water inlet at one end in an axial direction, and the water outlet of the water inlet pipe 2 is provided with a water outlet adapter 23 communicated with the water inlet of the inner cylinder shaft 1, the water outlet adapter 23 is in a semispherical shape, and the water outlet of the water inlet pipe 2 is communicated with the water outlet adapter 23 in a tangent direction of the water outlet adapter 23.

[0035] In the embodiment of the application, the inner cylinder shaft 1 is hollow inside, that is, the inner cylinder shaft 1 is provided with a cavity inside, and the inner cylinder shaft 1 is provided with openings at both ends in the axial direction, which are respectively a water inlet and a water outlet of the inner cylinder shaft 1, wherein the water outlet of the inner cylinder shaft 1 is communicated with the inside of the inner cylinder, and the water outlet of the water inlet pipe 2 of the drum washing machine is communicated with the water inlet of the inner cylinder shaft, so that the water inlet pipe 2 sends water into the inner cylinder shaft 1, and the water in the inner cylinder shaft 1 enters the inner cylinder through the water outlet of the inner cylinder shaft 1.

[0036] The water outlet adapter 23 is provided at the water outlet of the water inlet pipe 2 and communicated with the water inlet of the inner cylinder shaft 1, the water from the water outlet of the water inlet pipe 2 first enters the water outlet adapter 23 and then enters the inner cylinder shaft 1 through the water outlet adapter 23, and the water outlet adapter 23 is provided for buffering the speed of the water inlet, reducing the water inlet pressure of the water inlet, and making the water inlet more smoothly.

[0037] The water outlet adapter 23 is provided in a semispherical shape, and the water inlet of the water outlet of the water inlet pipe 2 is provided to enter the water outlet adapter 23 in a tangent direction of the water outlet adapter 23, so as to reduce the resistance of the transition between the water outlet of the water inlet pipe and the water outlet adapter 23 to the water inlet and improve the efficiency of the water inlet of the water inlet pipe 2.

[0038] The water outlet adapter 23 is integrally formed with the water inlet pipe 2, so as to increase the sealing between the water inlet pipe 2 and the water outlet adapter 23.

[0039] As shown in the drawings, Figure 1 and Figure 2 In the embodiment of the application, the water outlet adapter 23 is provided with an opening at a diameter end, the inner cylinder shaft 1 is inserted into the water outlet adapter 23 through the opening, the water outlet of the water inlet pipe 2 is arranged at 90° with the water inlet of the inner cylinder shaft 1, and the water outlet of the water inlet pipe 2 is communicated with the water outlet adapter 23 towards the inner cylinder shaft 1.

[0040] In the embodiment of the present application, the inner drum of the drum washing machine is horizontally arranged, the drum opening side of the inner drum is the front side of the drum body, the inner drum shaft 1 extends along the front-rear direction of the inner drum, and the rear end of the inner drum shaft 1 in the axial direction is the water inlet; the water inlet pipe 2 also generally extends along the front-rear direction of the inner drum, so that the water outlet of the water inlet pipe 2 and the water inlet of the inner drum shaft 1 need to be arranged at an angle of 90 degrees.

[0041] When the water outlet of the water inlet pipe 2 enters the water outlet adapter 23, the water outlet of the water inlet pipe 2 ensures that the water enters along the tangent direction of the water outlet adapter 23, and at the same time, the water outlet of the water inlet pipe 2 faces the inner drum shaft 1, so that the water entering the water outlet adapter 23 always flows in the direction of the inner drum shaft 1, avoiding the water from not flowing to the inner drum shaft 1 and causing the water to be blocked.

[0042] The water outlet adapter 23 is provided with an opening at the diameter end, that is, the water flows in the water outlet adapter 23 along with the gradual increase of the size of the water outlet adapter 23, which can buffer the water flow rate to the lowest extent.

[0043] As shown in Figure 2 , Figure 3 and Figure 4 , in the embodiment of the present application, the water outlet adapter 23 is provided with a first protrusion 3 extending outward and radially at the outer periphery of the opening, and the first protrusion 3 is provided with a plurality of first mounting holes 31 for fixing the water outlet adapter 23.

[0044] In the embodiment of the present application, the water outlet adapter 23 is provided with a first protrusion 3 extending radially at the outer periphery of the diameter end, and the first protrusion 3 protrudes outward relative to the water outlet adapter 23; since the water outlet adapter 23 is hemispherical, the opening of the water outlet adapter 23 is circular, so that the first protrusion 3 is circular.

[0045] The first protrusion 3 is provided with a plurality of first mounting holes 31 for fixing the water outlet adapter 23 to other components of the drum washing machine, and the first mounting holes 31 are used in cooperation with bolts, screws and the like to fix the first protrusion 3 to other components of the drum washing machine; in addition to fixing the water outlet adapter 23 to other components of the drum washing machine through the first mounting holes 31 arranged thereon, the first protrusion 3 also increases the contact area between the water outlet adapter 23 and other components of the drum washing machine, increases the sealing between the water outlet adapter 23 and the drum washing machine, and avoids the leakage of water in the water outlet adapter 23.

[0046] As shown in Figure 2 , Figure 3 and Figure 4As shown, in an embodiment of the present invention, a bearing seat 4 for supporting the inner cylinder shaft 1 is also included. The bearing seat 4 is provided with a shaft hole along the axial direction for the inner cylinder shaft 1 to pass through. The opening of the water outlet adapter 23 faces the bearing seat 4 and is fastened to the bearing seat 4. The water outlet adapter 23 covers the shaft hole. The first protrusion 3 is fixed to the bearing seat 4 through the first mounting hole 31. A sealing structure 6 is provided between the bearing seat 4 and the first protrusion 3.

[0047] In an embodiment of the present invention, the water inlet structure of the inner cylinder further includes a bearing seat 4, which supports the inner cylinder shaft 1. The bearing seat 4 is provided axially with a shaft hole that allows the inner cylinder shaft 1 to pass through and connect to the motor 7. Specifically, the shaft hole of the bearing seat 4 is provided with a bearing for assembling with the inner cylinder shaft 1 and realizing the rotation of the inner cylinder shaft 1. The bearing is provided axially with a shaft hole for the inner cylinder shaft 1 to pass through. A dynamic seal is also provided between the shaft hole and the inner cylinder shaft 1.

[0048] The first protrusion 3 is fixed to the bearing seat 4 through the first mounting hole 31, so that when the water outlet adapter 23 is fixed to the bearing seat 4, the open side of the water outlet adapter 23 faces the bearing seat 4, is fastened to the bearing seat 4, and covers the shaft hole of the bearing seat 4. That is, the size area of ​​the open part of the water outlet adapter 23 is larger than the axial cross-sectional size area of ​​the shaft hole.

[0049] Since there is contact between the first protrusion 3 and the bearing seat 4, in order to increase the sealing between the first protrusion 3 and the bearing seat 4, a sealing structure 6 is provided between the first protrusion 3 and the bearing seat 4.

[0050] like Figure 4 As shown, in an embodiment of the present invention, the bearing seat 4 is cylindrical, and a second protrusion 41 extending outward and radially is provided on the outer periphery of one end of the shaft hole of the bearing seat 4. A sealing structure 6 is provided between the second protrusion 41 and the first protrusion 3.

[0051] In specific embodiments of the present invention, the bearing seat 4 is cylindrical, and the interior of the cylindrical bearing seat 4 is a cavity, which serves as the shaft hole of the bearing seat 4. The bearing seat 4 has a second protrusion 41 extending radially around one end of the shaft hole. The second protrusion 41 protrudes outward relative to the outer peripheral wall of the bearing seat 4. The axial cross section of the shaft hole of the inner cylinder shaft 1 and the bearing seat 4 is circular. Therefore, the second protrusion 41 is annular.

[0052] The bearing housing 4 is provided with a second protrusion 41, and the bearing housing 4 contacts the first protrusion 3 through the second protrusion 41. The second protrusion 41 increases the area between the bearing housing 4 and the first protrusion 3, thereby increasing the contact area between the bearing housing 4 and the water outlet adapter 23. Furthermore, the first protrusion 3 is fixed on the second protrusion 41, which increases the assembly strength between the bearing housing 4 and the water outlet adapter 23.

[0053] When necessary, the motor 7 of the drum washing machine is further provided with a motor support structure 9, the motor support structure 9 is arranged on the inner drum support 8, the motor 7 is clamped between the motor support structure 9 and the inner drum support 8, the motor support structure 9 has a support surface for supporting the motor 7, the support surface is provided with a through hole coaxial with the shaft hole of the bearing seat 4, a gap is left between the support surface of the motor support structure 9 and at least part of the motor 7, the cylindrical bearing seat 4 passes through the support surface into the gap, and the second protrusion 41 does not pass through the support surface and abuts against the support surface. Therefore, the motor support structure 9 also supports the bearing seat 4 and can stabilize the bearing seat 4.

[0054] As shown in Figure 4 the embodiment of the present application, the sealing structure 6 includes an annular sealing ring 61, the second protrusion 41 is provided with a ring of positioning grooves 411 around one end of the shaft hole, the groove opening of the positioning groove 411 faces the second protrusion 41, part of the sealing ring is embedded in the positioning groove 411, and the part of the sealing ring exposed outside the positioning groove 411 abuts against the first protrusion 3.

[0055] In the embodiment of the present application, specifically, the sealing structure 6 includes the annular sealing ring 61, the annular sealing ring 61 is selected to be able to seal the entire circumferential contact surface between the first protrusion 3 and the second protrusion 41, thereby increasing the sealing property between the first protrusion 3 and the second protrusion 41; further, the second protrusion 41 is provided with a ring of positioning grooves 411 around the shaft hole, the positioning grooves 411 position the annular sealing ring 61, thereby preventing the annular sealing ring 61 from being mispositioned and causing the sealing property to decrease; in order to increase the sealing property between the first protrusion 3 and the second protrusion 41, only part of the annular sealing ring 61 is embedded in the positioning groove 411, and the other part abuts against the first protrusion 3.

[0056] Further specifically, the first mounting holes 31 are arranged in a ring along the circumference of the first protrusion 3, the projection of the positioning groove 411 on the first protrusion 3 is in the inner periphery of the first mounting holes 31 arranged in a ring, so that the positioning groove 411 is in the inner periphery of the fixed part of the first protrusion 3 and the second protrusion 41, and the first protrusion 3 and the second protrusion 41 can tightly clamp the annular sealing ring 61.

[0057] As shown in Figure 4 the embodiment of the present application, the second protrusion 41 is provided with a ring of second mounting holes 42 arranged in a ring and fixed to the second protrusion 41 around the positioning groove 411, and the projection of the first mounting holes 31 arranged in a ring on the second protrusion 41 is in the inner periphery of the second mounting holes 42 arranged in a ring.

[0058] In the embodiment of the present application, the second protrusion 41 is provided with a plurality of second mounting holes 42 for fixing the bearing seat 4 to other parts of the drum washing machine, which can be the motor support structure 9 supporting the motor 7 or the motor 7, and the second mounting holes 42 are used in cooperation with bolts, screws or the like to fix the second protrusion 41 to the other parts of the drum washing machine; in addition to fixing the water outlet adapter 23 to the other parts of the drum washing machine through the second mounting holes 42 provided on the second protrusion 41, the second protrusion 41 also increases the contact area between the bearing seat 4 and the other parts of the drum washing machine, thereby increasing the stability of the bearing seat 4.

[0059] The projection of the plurality of first mounting holes 31 arranged in a circle on the second protrusion 41 is on the inner periphery of the plurality of second mounting holes 42 arranged in a circle, and if on the outer periphery, the first protrusion 3 and the second protrusion 41 cannot be in close contact, that is, when the first protrusion 3 is fixed to the second protrusion 41, there will be a gap between the first protrusion 3 and the second protrusion 41, which will cause the sealing performance between the first protrusion 3 and the second protrusion 41 to decrease.

[0060] As shown in Figure 1 The embodiment of the present application, the water inlet pipe 2 includes a first water inlet pipe 21 and a second water inlet pipe 22, the first water inlet pipe 21 is a plastic pipe, the second water inlet pipe 22 is a rubber pipe, the water outlet of the first water inlet pipe 21 has a water outlet adapter 23, the water inlet of the first water inlet pipe 21 has a rubber joint, and the rubber joint of the first water inlet pipe 21 is integrally formed with the second water inlet pipe 22.

[0061] In the embodiment of the present application, the water inlet pipe includes two parts, i.e. the first water inlet pipe 21 and the second water inlet pipe 22, the first water inlet pipe 21 is made of plastic, and the second water inlet pipe 22 is made of rubber, the water outlet of the first water inlet pipe 21 has a water outlet adapter 23, and the water inlet has a rubber joint communicating with the second water inlet pipe 22, and the rubber joint is integrally formed with the second water inlet pipe 22. Because of the existence of the second water inlet pipe 22, the water inlet pipe can be bent to some extent, and the position of the water inlet pipe can be changed.

[0062] The present application also provides a drum washing machine, which comprises an inner drum, an inner drum support 8, and a motor 7, the outer part of the inner drum is provided with the inner drum support 8, the motor 7 is arranged on the inner drum support 8, and the drum washing machine further comprises the water inlet structure of the inner drum provided in the above technical solution, the inner drum shaft 1 is coaxially installed at the bottom of the inner drum and extends along the front-to-back direction of the inner drum, the water outlet end of the inner drum shaft 1 is fixedly connected with the inner drum and communicates with the inside of the inner drum, the water inlet end of the inner drum shaft 1 penetrates out of the inner drum support and the motor and communicates with the water outlet adapter 23, and the water outlet adapter 23 is fixed to the inner drum support 8.

[0063] In the embodiment of the present application, specifically, the inner cylinder support 8 comprises an outer cylinder, the inner cylinder is sleeved in the outer cylinder, the inner cylinder shaft 1 penetrates the outer cylinder and is connected with the motor 7, and the inner cylinder shaft 1 penetrates the motor 7 and the bearing seat 4 and is inserted into the water outlet adapter 23, the outer cylinder is provided with a motor support structure 9 for supporting the motor 7, and the bearing seat 4 is arranged on the motor support structure 9.

[0064] The motor support structure 9 is a strip-shaped plate structure and is in a U shape, the motor 7 is wrapped in the groove of the motor support structure 9, the two sides of the motor support structure are mounted on the inner cylinder support, and the bearing seat 4 penetrates the bottom of the motor support structure 9.

[0065] As shown in Figure 5 and Figure 7 , the present application provides a motor support structure, the motor support structure is provided with a shaft hole 91 for the inner cylinder shaft to penetrate, and the motor support structure is provided with a flow guide structure 17 outside the periphery of the shaft hole 91 for guiding the flow direction of water flow.

[0066] In the embodiment of the present application, the motor support structure is provided with a shaft hole 91, the inner cylinder shaft of the inner cylinder penetrates the shaft hole 91 and is connected with other components, and because the flow guide structure 17 is arranged on the motor support structure, the flow guide structure 17 can guide the water flow on the outer surface of the motor support structure, can guide the water flow to a place far away from the motor 7, reduces the corrosion of water to the motor 7, and improves the service life of the motor 7.

[0067] The inner cylinder shaft is used for being connected with the motor 7 outside the outer cylinder 4, the motor 7 drives the inner cylinder shaft to rotate so as to drive the inner cylinder to rotate in the outer cylinder 4, the inner cylinder shaft needs to penetrate the outer cylinder 4 and be connected with the motor 7 outside the outer cylinder 4, the motor support structure fixes and supports the motor 7 on the outer cylinder 4 by being connected with the outer cylinder 4, and because the motor support structure is provided with the shaft hole 91 for the inner cylinder shaft to penetrate, the motor support structure can support the inner cylinder shaft and the motor 7; the shape of the shaft hole 91 is the same as the shape of the axial section of the inner cylinder shaft.

[0068] As shown in Figure 5 and Figure 7 , in the embodiment of the present application, the motor support structure is a strip-shaped plate structure, the motor support structure comprises a U-shaped support part, the shaft hole 91 is arranged at the bottom of the U-shaped support part 92, and the flow guide structure 17 is arranged outside the bottom of the U-shaped support part 92.

[0069] In the embodiment of the present application, the motor 7 is a disc-shaped structure with a certain thickness as a whole, the center of the motor 7 is provided with a through hole for the inner cylinder shaft to penetrate, when the motor support structure fixes the motor 7, the front side of the motor 7 abuts against the outer cylinder 4, the motor support structure is a strip-shaped plate structure, the motor support structure comprises a U-shaped support part for supporting the motor 7, specifically, the shaft hole 91 is arranged at the bottom of the U-shaped support part 92, and the flow guide structure 17 is arranged outside the bottom of the U-shaped support part 92.

[0070] The bottom of the U-shaped support part 92 abuts against the rear side of the motor 7, and the two sides of the U-shaped support part 92 abut against the peripheral wall of the motor 7, so that the U-shaped support part 92 can support the motor 7 in multiple directions at the same time, thereby improving the support strength of the U-shaped support part 92 on the motor 7. The front side wall of the motor 7 and the rear side wall of the motor 7 are relative to the installation of the motor 7 on the outer cylinder 4, and the side facing the outer cylinder 4 is the front side wall of the motor 7, and the side away from the outer cylinder 4 is the rear side wall of the motor 7.

[0071] As shown in Figure 5 and Figure 7 , in the embodiment of the present application, the U-shaped support part 92 includes a first support part 921 arranged at the bottom of the U-shaped support part 92, and two second support parts 922, the first support part 921 is quadrangular, and the opposite sides of the first support part 921 are respectively bent to form the second support parts 922, the shaft hole 91 is arranged at the center of the first support part 921, and the remaining opposite sides of the first support part 921 are respectively bent to form the first flanges 171, and the two first flanges 171 serve as the flow guide structure 17.

[0072] In the embodiment of the present application, the U-shaped support part 92 includes the first support part 921 abutting against the rear side wall of the motor 7 and the second support part 922 abutting against the peripheral wall of the motor 7, the first support part 921 refers to the bottom of the U-shaped support part 92, the two sides of the first support part 921 are bent in the same direction to form the two second support parts 922, the motor 7 is clamped between the two second support parts 922, the first support part 921 is quadrangular, that is, the two opposite sides of the first support part 921 are arranged, one set of opposite sides is bent to form the second support part 922, and the other set of opposite sides is bent to form the flange, and the flange and the second support part 922 are located on the opposite sides of the first support part 921; specifically, the shaft hole 91 is arranged at the center of the first support part 921, and the two flanges serve as the flow guide structure.

[0073] As shown in Figure 6 and Figure 8 , in the embodiment of the present application, the side of the first flange 171 away from the first support part 921 is bent to form the second flange 172, and the second flange 172 is opposite to the first support part 921.

[0074] In the embodiment of the present application, the first flange 171 is provided with the second flange 172, and the second flange 172 is arranged opposite to the first support part 921, that is, the second flange 172 directly faces the first support part 921. Due to the existence of the second flange 172, a U-shaped groove is formed between the second flange 172, the first flange 171 and the first support part 921, the second flange 172 also has a guiding effect on the water flow, expands the guiding of the water flow, and enhances the guiding of the water flow.

[0075] AsFigure 5 and 7 As shown in FIG. 1 and FIG. 2, in the embodiment of the present application, the two ends of the first flange 171 and the two ends of the second flange 172 extend to the two second support portions 922 respectively, and the two ends of the first flange 171 extend to the two second support portions 922 respectively, and the extension length of the second flange 172 is equal to that of the first flange 171.

[0076] In the embodiment of the present application, the flange extends between the two second support portions 922, one end of the flange extends to one second support portion 922, and the other end of the flange extends to the other second support portion 922, so that the flange has a longer extension length on the first support portion 921, which can maximize the guidance of the water flow and increase the guidance range.

[0077] As shown in FIG. 1 and FIG. 2, in the embodiment of the present application, the first support portion 921 is provided with a ring-shaped concave pressure type 18 surrounding the shaft hole 91 and recessed relative to the first support portion 921, and the first flange 171 is arranged on the first support portion 921 outside the ring-shaped concave pressure type 18. Figure 5

[0078] In the embodiment of the present application, in order to increase the support strength of the first support portion 921 to the motor 7, the ring-shaped concave pressure type 18 is arranged on the first support portion 921, the ring-shaped concave pressure type 18 has a certain width, and the structural strength of the first support portion 921 is enhanced; the ring-shaped concave pressure type 18 surrounds the shaft hole 91, and the flange is located outside the ring-shaped concave pressure type 18.

[0079] As a preferred scheme of the above embodiment, the ring-shaped concave pressure type 18 is a square ring-shaped concave pressure type, the two sides of the square ring-shaped concave pressure type extend to the two second support portions 922 respectively, and the extension length of the square ring-shaped concave pressure type is equal to the extension length of the first flange 171, which further enhances the structural strength of the first support portion 921 and improves the support strength to the motor 7.

[0080] As shown in FIG. 1 and FIG. 2, in the embodiment of the present application, the first flange 171, the second flange 172, the ring-shaped concave pressure type 18 and the continuous area of the first support portion 921 inside and outside the ring-shaped concave pressure type 18 are provided with a positioning groove 9211, the positioning groove 9211 extends from the first flange 171 and the second flange 172 to the shaft hole 91, and one end of the positioning groove 9211 extends to the shaft hole 91 with a spacing therebetween. Figure 5 In the embodiment of the present application, the positioning groove 9211 can position the pipe, which can be a water inlet pipe. When the inner cylinder shaft is used as a water inlet shaft, the inner cylinder shaft is hollow inside, and the inner cylinder shaft can communicate with the water inlet pipe through the shaft hole 91. The water inlet pipe sends water into the inner cylinder shaft, and the inner cylinder shaft communicates with the inner cylinder to supply water to the inner cylinder.

[0081] ​​

[0082] When the pipe is installed, the pipe is in contact with the motor support structure, in order to increase the connection strength between the pipe and the motor support structure, provide the stability of the pipe, and enable the water inlet pipe to smoothly feed water to the inner cylinder shaft, the inner cylinder shaft is transmitted from the shaft hole 91, and the outer pipe needs to be communicated with the inner cylinder shaft, so the first support part 921 needs to pass through the flanging, the female die and the female die inside and outside. Therefore, a positioning groove 9211 is arranged on the continuous area formed by the above four parts, which is used for positioning the pipe.

[0083] Since the water inlet pipe is a bent water inlet pipe in order to avoid some components in the washing machine, the positioning groove 9211 matched with the water inlet pipe is also curved, for example, the positioning groove 9211 includes a first section groove and a second section groove, the first section groove is inclined and passes through the first support part 921 of the female die inside and outside, and the second section groove is completely located in the female die.

[0084] Since the inner cylinder shaft can feed water, the water inlet pipe is communicated with the inner cylinder shaft, therefore, one end of the positioning groove 9211 needs to extend to near the shaft hole 91, since the water inlet pipe is generally connected to the first support part 921 through a flange, therefore, a spacing is arranged between the one end of the positioning groove 9211 and the shaft hole 91, which provides a certain installation space for the flange.

[0085] As shown in FIGS. Figure 5 and Figure 7 In the embodiment of the present application, a plurality of first fixing holes 9212 are arranged on the first support part 921 between the one end of the positioning groove 9211 and the shaft hole 91, and the plurality of first fixing holes 9212 are distributed along the circumference of the shaft hole 91.

[0086] In the embodiment of the present application, the flange is disc-shaped, when installed, the flange is attached to the first support part 921 between the positioning groove 9211 and the shaft hole 91, and the disc surface of the flange is provided with a mounting hole for mounting the flange on the first support part 921, therefore, in order to be matched with the position of the mounting hole, it is necessary to arrange the first fixing hole 9212 on the first support part 921 between the one end of the positioning groove 9211 and the shaft hole 91.

[0087] The plurality of first fixing holes 9212 are distributed along the circumference of the shaft hole 91, so that the flange disc is uniformly subjected to the mounting force, and the flange disc is prevented from shaking on the first support part 921, and the connection strength between the water inlet pipe and the first support part 921 is improved.

[0088] In the embodiment of the present application, the U-shaped support part 92 further includes two fixing parts 93, the second support part 922 is bent outward at one end away from the first support part 921 to form the fixing part 93, and the fixing part 93 is provided with a second fixing hole 931.

[0089] The U-shaped supporting part 92 further comprises a fixed part 93 fixedly connected with the outer cylinder 4, the fixed part 93 is outwardly bent at one end away from the first supporting part 921, and the fixed part 93 is provided with a second fixing hole 931, and the motor supporting structure is fixed on the outer cylinder 4 by inserting a screw or a bolt into the fixing hole.

[0090] Specifically, the bottom of the outer cylinder 4 is provided with a bearing support frame for mounting a bearing, the center of the bearing support frame is provided with a bearing, the inner cylinder shaft penetrates through the bearing and out of the outer cylinder 4, and the motor supporting structure is arranged on the bearing support frame.

[0091] The fixed part 93 is provided with a plurality of fixing holes arranged along the extension length of the fixed part 93, so as to increase the fixing area and the fixing strength.

[0092] In the embodiment of the application, the size of the second supporting part 922 gradually decreases from the fixed part 93 to the first supporting part 921.

[0093] In the embodiment of the application, the size of the second supporting part 922 gradually decreases from the fixed part 93 to the first supporting part 921, so that the material use of the second supporting part 922 is reduced and the cost is reduced while the supporting strength is ensured.

[0094] As shown in the accompanying drawings, Figure 9 The application provides a drum washing machine, which comprises an inner cylinder, an inner cylinder supporting member 8 and a motor, the bottom of the inner cylinder is coaxially provided with an inner cylinder shaft, the outer part of the inner cylinder is provided with the inner cylinder supporting member 8, the motor is arranged on the inner cylinder supporting member 8, and the motor supporting structure provided by the above technical solution is arranged on the inner cylinder supporting member 8, the motor is clamped between the motor supporting structure and the inner cylinder supporting member 8, part of the motor is exposed outside the motor supporting structure, the inner cylinder shaft penetrates through the inner cylinder supporting member 8 and the motor and penetrates out of the motor supporting structure through the shaft hole.

[0095] In the embodiment of the application, the inner cylinder shaft can communicate with the water inlet structure outside after penetrating out of the motor supporting structure through the shaft hole, the inner cylinder shaft is respectively provided with a water inlet and a water outlet at two axial ends, the water inlet of the inner cylinder shaft communicates with the water inlet structure, and the water outlet of the inner cylinder shaft communicates with the inner cylinder, and the inner cylinder serves as a water containing cylinder.

[0096] Alternatively, the inner cylinder supporting member 8 comprises an outer cylinder, the inner cylinder is assembled in the outer cylinder, the inner cylinder shaft penetrates through the inner cylinder supporting member 8 and is connected with the motor, the outer cylinder serves as a water containing cylinder, and the inner cylinder wall of the inner cylinder is provided with a dewatering hole.

[0097] The motor support structure 9 is arranged on the inner cylinder support 8, the motor 7 is clamped between the motor support structure and the inner cylinder support 8, specifically, the motor 7 is disc-shaped, the motor support structure 9 is a strip-shaped plate structure, the motor support structure 9 comprises a U-shaped support part, the front side wall of the motor 7 abuts against the motor support part, part of the rear side wall of the motor abuts against the inner surface of the first support part, preferably, the middle part of the rear side wall of the motor 7 abuts against the inner surface of the first support part 921, the outer surface of the first support part 921 contains condensate water or washing water leaked from the inside and outside of the shaft hole, part of the outer peripheral wall of the motor abuts against two second support parts, the flange arranged on the outer surface of the first support part 921 can guide water to the second support part, the extension length of the second support part 922 is small, so that water can flow to a place far away from the motor through the second support part 922 as soon as possible, the area of the motor 7 in contact with water can be reduced, and the corrosion of the motor 7 can be reduced.

[0098] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed as above with reference to the preferred embodiments, the present application is not intended to be limited thereto. Any person skilled in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the present application, and any simple modification, equivalent change and modification made to the above-mentioned embodiments according to the technical essence of the present application still belong to the scope of the present application.

Claims

1. A drum washing machine, comprising an inner drum, an inner drum support member, and a motor, wherein the inner drum is provided with an inner drum support member on its exterior, and further comprising a water inlet structure for the inner drum, the water inlet structure comprising an internally hollow inner drum shaft and a water inlet pipe, wherein a water inlet is provided at one axial end of the inner drum shaft, characterized in that, The outlet of the inlet pipe has an outlet adapter that is hollow inside and connected to the inlet of the inner cylinder shaft. The outlet adapter is hemispherical, and the outlet of the inlet pipe is connected to the outlet adapter along the tangential direction of the outlet adapter. The motor support structure is a strip-shaped plate structure. The motor support structure includes a U-shaped support part. The U-shaped support part includes a first support part and two second support parts located at the bottom of the U-shaped support part. The opposite sides of the first support part are bent to form the second support part. The remaining opposite sides of the first support part are bent away from the second support part to form a first flange. The side of the first flange away from the first support part is bent to form a second flange. The second flange is opposite to the first support part. The motor is encased in the groove of the motor support structure, and the two sides of the motor support structure are mounted on the inner cylinder support. The bearing seat passes through the bottom of the motor support structure.

2. The drum washing machine according to claim 1, characterized in that, The water outlet adapter has an open end at the diameter end. The inner cylinder shaft is inserted into the water outlet adapter through the open end. The water outlet of the water inlet pipe is set at 90° with the water inlet of the inner cylinder shaft. The water outlet of the water inlet pipe faces the inner cylinder shaft and is connected to the water outlet adapter.

3. The drum washing machine according to claim 2, characterized in that, The water outlet adapter has a first protrusion extending outward and radially around the outer periphery of the opening, and the first protrusion has several first mounting holes for fixing the water outlet adapter.

4. The drum washing machine according to any one of claims 1-3, characterized in that, The water inlet structure of the inner cylinder also includes a bearing seat that supports the inner cylinder shaft. The bearing seat has a shaft hole along the axial direction for the inner cylinder shaft to pass through. The opening of the water outlet adapter faces the bearing seat and is fastened to the bearing seat. The water outlet adapter seals the shaft hole. The first protrusion is fixed to the bearing seat through the first mounting hole. A sealing structure is provided between the bearing seat and the first protrusion.

5. The drum washing machine according to claim 4, characterized in that, The bearing housing is cylindrical. A second protrusion extending outward and radially is provided on the outer periphery of one end of the bearing housing. The first protrusion is fixed on the second protrusion, and a sealing structure is provided between the second protrusion and the first protrusion.

6. The drum washing machine according to claim 4, characterized in that, The sealing structure includes an annular sealing ring. A positioning groove is provided on one end of the second protrusion around the shaft hole. The opening of the positioning groove faces the second protrusion. Part of the sealing ring is embedded in the positioning groove, and the part of the sealing ring exposed outside the positioning groove abuts against the first protrusion.

7. The drum washing machine according to claim 6, characterized in that, A plurality of first mounting holes are arranged in a circle around the first protrusion, and the projection of the positioning groove on the first protrusion is on the inner circumference of the plurality of first mounting holes arranged in a circle.

8. The drum washing machine according to claim 6 or 7, characterized in that, The second protrusion has a plurality of second mounting holes arranged in a circle around the positioning groove, which fix the second protrusion. The projection of the plurality of first mounting holes arranged in a circle on the second protrusion is on the inner circumference of the plurality of second mounting holes arranged in a circle.

9. The drum washing machine according to claim 8, characterized in that, The water inlet pipe includes a first water inlet pipe and a second water inlet pipe. The first water inlet pipe is a plastic pipe, and the second water inlet pipe is a rubber pipe. The outlet of the first water inlet pipe has an outlet adapter, and the inlet of the first water inlet pipe has a rubber joint. The rubber joint of the first water inlet pipe is integrally formed with the second water inlet pipe.

10. The drum washing machine according to claim 1, characterized in that, The water inlet structure of the inner cylinder has an inner cylinder shaft coaxially installed at the bottom of the inner cylinder. The water outlet end of the inner cylinder shaft is fixedly connected to the inner cylinder and communicates with the inside of the inner cylinder. The water inlet end of the inner cylinder shaft passes through the inner cylinder support and the motor and communicates with the water outlet adapter. The water outlet adapter is fixed on the inner cylinder support.

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