Motor support structure and drum washing machine

Abstract

The application discloses a motor supporting structure and a drum washing machine. The motor supporting structure is provided with a shaft hole for the inner drum shaft to pass through, and the motor supporting structure is provided with a flow guide structure for guiding water flow on the outer periphery of the shaft hole. By arranging the flow guide structure on the motor supporting structure, the flow guide structure can guide the water accumulated on the motor supporting structure to be far away from the motor, reduce the corrosion of the motor, and improve the service life of the motor. The application also provides a drum washing machine which comprises an inner drum, an inner drum supporting member and a motor, the bottom of the inner drum is coaxially provided with an inner drum shaft, the outer portion of the inner drum is provided with the inner drum supporting member, the motor is arranged on the inner drum supporting member, the motor supporting structure is arranged on the inner drum supporting member, the inner drum shaft penetrates through the inner drum supporting member and the motor, passes through the shaft hole and goes out of the motor supporting structure, the motor is clamped between the motor supporting structure and the inner drum supporting member, and part of the motor is exposed outside the motor supporting structure.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of household appliances, in particular, relates to a drum washing machine and a motor support structure arranged at the bottom of the outer drum of the 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 and a motor. The inner drum is provided with an inner drum shaft at the bottom, which extends along the front-to-back direction of the inner drum. The outer part of the inner drum is provided with the inner drum support. The motor is arranged on the inner drum support. The inner drum shaft penetrates 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 and realizing the tumble washing of the clothes by the inner drum.

[0003] At present, in order to increase the stability of the motor on the inner drum support, a motor support structure is generally arranged on the inner drum support. The motor is clamped between the motor support structure and the inner drum support. The motor support structure fastens the motor on the inner drum support. The motor support structure is provided with a shaft hole. The inner drum shaft penetrates the inner drum support and the motor and passes through the shaft hole of the motor support structure to be connected with external components. Specifically, the motor is disc-shaped. The front side wall of the motor abuts against the inner drum support. The motor support structure abuts against part of the rear side wall of the motor and the outer peripheral wall of the motor. That is, the motor support structure does not completely cover the rear side wall of the motor, so that part of the motor is exposed outside the motor support structure. Since the outer surface of the motor support structure often accumulates condensed water, the water on the outer surface of the motor support structure will flow to the motor exposed outside the motor support structure and corrode the motor, thereby reducing the service life of the motor. SUMMARY

[0004] The technical problem to be solved by the present application is to overcome the shortcomings in the prior art and provide a motor support structure and a drum washing machine, so as to discharge the water on the outer surface of the motor support structure to a position far away from the motor through the flow guide structure and improve the service life of the motor.

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

[0006] The present application provides a motor support structure. The motor support structure is provided with a shaft hole for the inner drum shaft to pass through. The motor support structure is provided with a flow guide structure outside the shaft hole, which guides the flow direction of the water.

[0007] Further, the motor support structure is a strip-shaped plate structure. The motor support structure comprises a U-shaped support part. The shaft hole is arranged at the bottom of the U-shaped support part. The flow guide structure is arranged outside the bottom of the U-shaped support part.

[0008] Further, the U-shaped support part comprises a first support part arranged at the bottom of the U-shaped support part, and two second support parts, the first support part is in a quadrilateral shape, opposite sides of the first support part are respectively bent to form the second support parts, the shaft hole is arranged at the center of the first support part, and opposite sides of the first support part remaining from the second support parts are respectively bent to form first flanges, and the two first flanges serve as flow guide structures.

[0009] Further, one side of the first flange away from the first support part is bent to form a second flange, and the second flange is opposite to the first support part.

[0010] Further, two ends of the first flange and two ends of the second flange respectively extend to the two second support parts, and the two ends of the first flange respectively extend to be close to the two second support parts, and the extension lengths of the second flange and the first flange are equal.

[0011] Further, one side of the first support part away from the second support part is provided with a ring-shaped concave pressure type surrounding the shaft hole and being concave relative to the first support part, and the first flange is arranged on the first support part outside the ring-shaped concave pressure type.

[0012] Preferably, the ring-shaped concave pressure type is a square ring-shaped concave pressure type, two sides of the square ring-shaped concave pressure type respectively extend to the two second support parts, and the extension length of the square ring-shaped concave pressure type is equal to the extension length of the first flange.

[0013] Further, a positioning groove is arranged on a continuous area formed by the first flange, the second flange, the ring-shaped concave pressure type and the first support part inside and outside the ring-shaped concave pressure type, the positioning groove extends to the shaft hole, and one end of the positioning groove extends to be close to the shaft hole with a spacing between the one end and the shaft hole.

[0014] Further, a plurality of first fixing holes are arranged on the first support part between the one end of the positioning groove and the shaft hole, and the plurality of first fixing holes are distributed along the circumference of the shaft hole.

[0015] Further, the motor support structure further comprises two fixing parts, one end of the second support part away from the first support part is bent outward to form the fixing part, and the fixing part is provided with a second fixing hole.

[0016] Preferably, the size of the second support part gradually decreases from the fixing part to the first support part.

[0017] The application also provides a drum washing machine, which comprises an inner drum, an inner drum support and a motor, the bottom of the inner drum is coaxially provided with an inner drum shaft, the outer part of the inner drum is provided with the inner drum support, the motor is arranged on the inner drum support, and the motor support structure provided by the above technical solution is arranged on the inner drum support, the motor is clamped between the motor support structure and the inner drum support, part of the motor is exposed outside the motor support structure, the inner drum shaft penetrates through the inner drum support and the motor and passes out of the motor support structure through the shaft hole.

[0018] Compared with the prior art, the application has the following beneficial effects.

[0019] The motor support structure is provided with a shaft hole, and the inner cylinder shaft of the inner cylinder passes through the shaft hole and is connected with other components.

[0020] The specific embodiments of the application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings, which are part of the present application, serve to provide a further understanding of the application, and the illustrative embodiments of the application and their description serve to explain the application but do not constitute an improper limitation of the application. Obviously, the accompanying 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.

[0022] Figure 1 is a structural schematic view of the motor support structure provided by the embodiments of the application;

[0023] Figure 2 is Figure 1 is an enlarged view at A;

[0024] Figure 3 is a structural schematic view of the motor support structure provided by the embodiments of the application;

[0025] Figure 4 is Figure 3 is an enlarged view at B;

[0026] Figure 5 is a structural schematic view of the drum washing machine provided by the embodiments of the application;

[0027] Figure 6 is a structural schematic view of the water inlet structure of the inner cylinder provided by the embodiments of the application;

[0028] Figure 7 is Figure 6 is an enlarged view at B;

[0029] Figure 8 is a sectional view of the structural schematic view of the water inlet structure of the inner cylinder provided by the embodiments of the application;

[0030] Figure 9 is Figure 8 is an enlarged view at A.

[0031] In the figure: 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 - fixed part; 931 - second fixing hole; 17 - flow guide structure; 171 - first flange; 172 - second flange; 18 - annular concave pressure type.

[0032] It should be noted that the drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0033] 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 conjunction 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.

[0034] 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 based on 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 therefore cannot be understood as indicating or implying 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 limiting the present application.

[0035] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "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 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.

[0036] As shown in Figure 1 and Figure 3 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 pass out, and the motor support structure is provided with a flow guide structure 17 for guiding the flow direction of water flow outside the periphery of the shaft hole 91.

[0037] In the embodiment of the present application, the motor support structure is provided with a shaft hole 91, and the inner cylinder shaft of the inner cylinder passes through the shaft hole 91 and is connected with other components. Since the motor support structure is provided with the flow guide structure 17, the flow guide structure 17 can guide the water flow on the outer surface of the motor support structure, and can guide the water flow away from the motor 7, thereby reducing the corrosion of the motor 7 by water and improving the service life of the motor 7.

[0038] The inner cylinder shaft is used to be connected with the motor 7 outside the outer cylinder 4. The motor 7 drives the inner cylinder shaft to rotate, thereby driving the inner cylinder to rotate in the outer cylinder 4. The inner cylinder shaft needs to pass through the outer cylinder 4 and be connected with the motor 7 outside the outer cylinder 4. The motor support structure is connected with the outer cylinder 4 to fix and support the motor 7 on the outer cylinder 4. Since the motor support structure is provided with the shaft hole 91 through which the inner cylinder shaft passes, 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 axial cross-sectional shape of the inner cylinder shaft.

[0039] As shown in Figure 1 and Figure 3 , in the embodiment of the present application, the motor support structure is a strip-shaped plate structure. The motor support structure includes a U-shaped support part. The shaft hole 91 is arranged at the bottom of the U-shaped support part 92. The flow guide structure 17 is arranged outside the bottom of the U-shaped support part 92.

[0040] In the embodiment of the present application, the motor 7 is a disc-shaped structure with a certain thickness. The center of the motor 7 is provided with a through hole through which the inner cylinder shaft passes. 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 includes 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. The flow guide structure 17 is arranged outside the bottom of the U-shaped support part 92.

[0041] The bottom of the U-shaped support part 92 abuts against the rear side of the motor 7. The two sides of the U-shaped support part 92 abut against the peripheral wall of the motor 7. 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. The side facing the outer cylinder 4 is the front side wall of the motor 7. The side away from the outer cylinder 4 is the rear side wall of the motor 7.

[0042] As shown in Figure 1 and Figure 3As shown in the drawings, in the embodiment of the present application, the U-shaped support part 92 comprises 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 in the shape of a square, 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.

[0043] In the embodiment of the present application, the U-shaped support part 92 comprises the first support part 921 abutting against the rear side wall of the motor 7 and the second support part 922 abutting against the outer 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 in the shape of a square, that is, the two opposite sides of the first support part 921 are arranged, one group of the opposite sides is bent to form the second support part 922, and the other group of the 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.

[0044] As shown in the drawings, Figure 2 and Figure 4 In the embodiment of the present application, the first flange 171 is bent to form the second flange 172 away from one side of the first support part 921, and the second flange 172 is opposite to the first support part 921.

[0045] 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, and 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.

[0046] As shown in the drawings, Figure 1 and 3 In the embodiment of the present application, the two ends of the first flange 171 and the two ends of the second flange 172 respectively extend to the two second support parts 922, the two ends of the first flange 171 respectively extend to be close to the two second support parts 922, and the extension lengths of the second flange 172 and the first flange 171 are equal.

[0047] In the embodiment of the present application, the flange extends between two second support portions 922, one end of the flange extends close to one second support portion 922, and the other end of the flange extends close to the other second support portion 922, so that the flange has a longer extension length on the first support portion 921, and can maximize the guidance of the water flow and increase the guidance range.

[0048] As shown in Figure 1 the embodiment of the present application, the first support portion 921 is provided with a ring-shaped concave pressure type 18 on the side away from the second support portion 922, and the first flange 171 is arranged on the first support portion 921 outside the ring-shaped concave pressure type 18.

[0049] In the embodiment of the present application, in order to increase the support strength of the first support portion 921 on 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.

[0050] As a preferred scheme of the above-mentioned embodiment, the ring-shaped concave pressure type 18 is a square ring-shaped concave pressure type, two sides of the square ring-shaped concave pressure type extend to 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, so as to further enhance the structural strength of the first support portion 921, thereby improving the support strength on the motor 7.

[0051] As shown in Figure 1 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 formed by 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, one end of the positioning groove 9211 extends close to the shaft hole 91 and is spaced apart from the shaft hole 91.

[0052] In the embodiment of the present application, the positioning groove 9211 can position a pipe, and the pipe 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 be communicated 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 is communicated with the inner cylinder for water inlet into the inner cylinder.

[0053] 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, and therefore, the positioning groove 9211 is arranged on the continuous area formed by the above four parts, and is used for positioning the pipe.

[0054] 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.

[0055] Since the inner cylinder shaft can feed water, the water inlet pipe is communicated with the inner cylinder shaft, and therefore, one end of the positioning groove 9211 needs to extend to the shaft hole 91, since the water inlet pipe is generally connected to the first support part 921 through a flange, and therefore, a spacing is arranged between the one end of the positioning groove 9211 and the shaft hole 91, and the spacing provides a mounting space for the flange.

[0056] As shown in FIGS. Figure 1 and Figure 3 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.

[0057] In the embodiment of the present application, the flange is disc-shaped, and when the flange is 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, and therefore, in order to be matched with the position of the mounting hole, the first fixing hole 9212 needs to be arranged on the first support part 921 between the one end of the positioning groove 9211 and the shaft hole 91.

[0058] 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.

[0059] 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.

[0060] 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.

[0061] 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.

[0062] 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.

[0063] 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.

[0064] 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.

[0065] As shown in the accompanying drawings, Figure 5 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.

[0066] In the embodiment of the application, the inner cylinder shaft can be communicated with a 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 is communicated with the water inlet structure, and the water outlet of the inner cylinder shaft is communicated with the inner cylinder, and the inner cylinder serves as a water containing cylinder.

[0067] 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.

[0068] 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 is provided with condensed 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 provided 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 relatively 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.

[0069] As shown in Figure 6 and Figure 7 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 in communication with the water inlet of the inner cylinder shaft 1, the water outlet adapter 23 is semispherical, and the water outlet of the water inlet pipe 2 communicates with the water outlet adapter 23 in a tangent direction of the water outlet adapter 23.

[0070] 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 communicates with the inside of the inner cylinder, and the water outlet of the water inlet pipe 2 of the drum washing machine communicates 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;

[0071] The water outlet adapter 23 is provided at the water outlet of the water inlet pipe 2 and in communication with the water inlet of the inner cylinder shaft 1, 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, 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 gentle, and changing the flow direction of the water inlet pipe 2, so that the water inlet is more smooth into the inner cylinder shaft 1;

[0072] The water outlet adapter 23 is semispherical, and the water inlet of the water outlet of the water inlet pipe 2 is arranged 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 water inlet efficiency of the water inlet pipe 2;

[0073] The water outlet adapter 23 is integrally formed with the water inlet pipe 2, thereby increasing the sealing between the water inlet pipe 2 and the water outlet adapter 23.

[0074] As shown in Figure 6 and Figure 7 , in the embodiment of the present application, the water outlet adapter 23 is provided with an opening at the 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 inner cylinder shaft 1 and the water outlet adapter 23.

[0075] In the embodiment of the present application, the inner cylinder of the drum washing machine is horizontally arranged, the cylinder opening side of the inner cylinder is the front side of the cylinder body, the inner cylinder shaft 1 extends along the front-rear direction of the inner cylinder, and the rear end of the inner cylinder shaft 1 in the axial direction is the water inlet, and the water inlet pipe 2 also generally extends along the front-rear direction of the inner cylinder, therefore, to realize the communication between the water outlet of the water inlet pipe 2 and the water inlet of the inner cylinder shaft 1, the water outlet of the water inlet pipe 2 needs to be arranged at 90° with the water inlet of the inner cylinder shaft 1.

[0076] When the water outlet of the water inlet pipe 2 pours water into the water outlet adapter 23, the water outlet of the water inlet pipe 2 pours water towards the inner cylinder shaft 1 while ensuring that the water flows along the tangent direction of the water outlet adapter 23, so that the water flowing into the water outlet adapter 23 always flows towards the direction of the inner cylinder shaft 1, thereby avoiding the water from not flowing towards the inner cylinder shaft 1 and causing the water to be blocked.

[0077] The water outlet adapter 23 is provided with an opening at the diameter end, that is, the water flows into the water outlet adapter 23 along with the gradual increase of the size of the water outlet adapter 23, thereby buffering the water flow rate to the lowest extent.

[0078] As shown in Figure 7 , Figure 8 and Figure 9 , in the embodiment of the present application, the water outlet adapter 23 is provided with a first protrusion 3 extending along the radial direction 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.

[0079] In the embodiment of the present application, the water outlet adapter 23 is provided with a first protrusion 3 extending along the radial direction 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, and thus the first protrusion 3 is a circular ring.

[0080] 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 or 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 provided on the first protrusion 3, the first protrusion 3 also increases the contact area between the water outlet adapter 23 and other components of the drum washing machine, thereby increasing the sealing between the water outlet adapter 23 and the drum washing machine, and avoiding the leakage of water entering the water outlet adapter 23.

[0081] As shown in Figure 7 , Figure 8 and Figure 9 , in the embodiment of the present application, a bearing seat 4 for supporting the inner drum shaft 1 is further included, the bearing seat 4 is provided with a shaft hole along the axial direction for the inner drum shaft 1 to pass through, the open end of the water outlet adapter 23 faces the bearing seat 4 and is buckled on 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, and a sealing structure 6 is arranged between the bearing seat 4 and the first protrusion 3.

[0082] In the embodiment of the present application, the water inlet structure of the inner drum further includes a bearing seat 4 for supporting the inner drum shaft 1, and the bearing seat 4 is provided with a shaft hole along the axial direction for allowing the inner drum shaft 1 to pass through and be connected to the motor 7; specifically, the bearing seat 4 is provided with a bearing in the shaft hole for assembling with the inner drum shaft 1 to realize the rotation of the inner drum shaft 1, and the bearing is provided with a shaft hole along the axial direction for the inner drum shaft 1 to pass through, wherein a dynamic seal is further arranged between the shaft hole and the inner drum shaft 1.

[0083] The first protrusion 3 is fixed to the bearing seat 4 through the first mounting hole 31, when the water outlet adapter 23 is fixed to the bearing seat 4, the open end of the water outlet adapter 23 faces the bearing seat 4 and is buckled on the bearing seat 4, and the open end of the water outlet adapter 23 covers the shaft hole of the bearing seat 4, that is, the size area of the open end of the water outlet adapter 23 is greater than the axial cross-sectional size area of the shaft hole.

[0084] Since the first protrusion 3 is in contact with 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 arranged between the first protrusion 3 and the bearing seat 4.

[0085] As shown in Figure 9 , in the embodiment of the present application, the bearing seat 4 is in the shape of a cylinder, and the bearing seat 4 is provided with a second protrusion 41 extending outward and along the radial direction at the outer periphery of one end of the shaft hole, and a sealing structure 6 is arranged between the second protrusion 41 and the first protrusion 3.

[0086] 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.

[0087] 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.

[0088] It should be noted that the motor 7 of the drum washing machine is also provided with a motor support structure 9. The motor support structure 9 is located on the inner drum support member 8. The motor 7 is sandwiched between the motor support structure 9 and the inner drum support member 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. There is a gap between the support surface of the motor support structure 9 and at least a part of the motor 7. The cylindrical bearing seat 4 enters the gap through the support surface, while the second protrusion 41 does not penetrate the support surface and abuts against the support surface. Therefore, the motor support structure 9 also plays a supporting role for the bearing seat 4, which can stabilize the bearing seat 4.

[0089] like Figure 9 As shown, in an embodiment of the present invention, the sealing structure 6 includes an annular sealing ring 61. A positioning groove 411 is provided around one end of the shaft hole on the second protrusion 41. The 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.

[0090] In specific embodiments of the present invention, the sealing structure 6 includes an annular sealing ring 61. The annular sealing ring 61 can seal the entire circumferential contact surface between the first protrusion 3 and the second protrusion 41, thereby increasing the sealing performance between the first protrusion 3 and the second protrusion 41. Furthermore, a positioning groove 411 adapted to the annular sealing ring 61 is provided around the shaft hole on the second protrusion 41. The positioning groove 411 positions the annular sealing ring 61 to prevent the annular sealing ring 61 from being misaligned, which would lead to a decrease in sealing performance. In order to increase the sealing performance between the first protrusion 3 and the second protrusion 41, the annular sealing ring 61 is only partially embedded in the positioning groove 411, and part of it abuts against the first protrusion 3.

[0091] More specifically, a plurality of first mounting holes 31 are arranged in a circle around the circumference of the first protrusion 3, and the projection of the positioning groove 411 on the first protrusion 3 is on the inner circumference of the plurality of first mounting holes 31 arranged in a circle, so that the positioning groove 411 is on the inner circumference of the fixing part of the first protrusion 3 and the second protrusion 41, so that the annular sealing ring 61 can be tightly clamped between the first protrusion 3 and the second protrusion 41.

[0092] like Figure 9 As shown, in an embodiment of the present invention, the second protrusion 41 is provided with a plurality of second mounting holes 42 arranged in a circle around the positioning groove 411, which fix the second protrusion 41. 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.

[0093] In embodiments of the present invention, the second protrusion 41 is provided with a plurality of second mounting holes 42 for fixing the bearing seat 4 to other components of the drum washing machine. These other components of the drum washing machine may be the motor support structure 9 supporting the motor 7 or the motor 7 itself. The second mounting holes 42 cooperate with bolts, screws, etc. to fix the second protrusion 41 to the other components of the drum washing machine. In addition to fixing the water outlet adapter 23 to the other components of the drum washing machine through the second mounting holes 42 provided thereon, the second protrusion 41 also increases the contact area between the bearing seat 4 and the other components of the drum washing machine, thereby increasing the stability of the bearing seat 4.

[0094] The projection of the plurality of first mounting holes 31 arranged in a circle onto the second protrusion 41 is on the inner circumference of the plurality of second mounting holes 42 arranged in a circle. If it is on the outer circumference, then a tight contact between the first protrusion 3 and the second protrusion 41 cannot be achieved. That is, when the first protrusion 3 is fixed on the second protrusion 41, there will be a gap between the first protrusion 3 and the second protrusion 41, which will lead to a decrease in the sealing performance between the first protrusion 3 and the second protrusion 41.

[0095] like Figure 6 As shown in the embodiment of the present invention, 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, and the second water inlet pipe 22 is a rubber pipe. The outlet of the first water inlet pipe 21 has an outlet adapter 23, and the inlet of the first water inlet pipe 21 has a rubber joint. The rubber joint of the first water inlet pipe 21 is integrally formed with the second water inlet pipe 22.

[0096] In the embodiment of the present application, the water inlet pipe comprises two parts, i.e., a first water inlet pipe 21 and a 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 is provided with a water outlet adapter 23, and the water inlet is provided with a rubber joint in communication with the second water inlet pipe 22, the rubber joint is integrally formed with the second water inlet pipe 22, and due to the presence of the second water inlet pipe 22, the water inlet pipe can be bent to a certain extent and the position of the water inlet pipe can be changed.

[0097] The present application also provides a drum washing machine, comprising 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 water inlet structure of the inner drum is provided by the above technical solution, the inner drum shaft 1 is coaxially arranged at the bottom of the inner drum and extends along the front-rear 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 inner part 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 on the inner drum support 8.

[0098] In the embodiment of the present application, specifically, the inner drum support 8 comprises an outer drum, the inner drum is sleeved in the outer drum, the inner drum shaft 1 penetrates through the outer drum and is connected with the motor 7, and the inner drum shaft 1 penetrates out of the motor 7 and the bearing seat 4 and is inserted into the water outlet adapter 23, the outer drum 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.

[0099] 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 arranged on the inner drum support, and the bearing seat 4 penetrates through the bottom of the motor support structure 9.

[0100] The above is only the preferred embodiment of the present application, and does not limit the present application in any form, although the present application has been disclosed as above, however, it is not intended to limit the present application, 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 equivalent embodiments with equivalent changes are equivalent, as long as they do not deviate from the technical solution of the present application, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application are still within the scope of the present application.

Claims

1. A drum washing machine, comprising an inner drum, an inner drum support arranged outside the inner drum, a motor arranged on the inner drum support, and a motor support structure, the motor being clamped between the motor support structure and the inner drum support, part of the motor being exposed outside the motor support structure, the motor support structure being provided with a shaft hole, the inner drum being coaxially provided with an inner drum shaft, the inner drum shaft penetrating through the inner drum support and the motor, and the inner drum shaft being arranged outside the motor support structure through the shaft hole and being communicated with a water inlet pipe; characterized in that, the motor support structure is a strip-shaped plate structure; the motor support structure comprises a U-shaped support part, the U-shaped support part comprising a first support part arranged at the bottom of the U-shaped support part, and two second support parts, the opposite sides of the first support part being respectively bent to form the second support parts, and the remaining opposite sides of the first support part being respectively bent to form first flanges away from the second support parts; one side of the first flange away from the first support part is bent to form a second flange, and the second flange is opposite to the first support part; the motor support structure is provided with a flow guide structure outside the periphery of the shaft hole for guiding the flow direction of water flow, and the two first flanges serve as the flow guide structure; the motor support structure is provided with a curved positioning groove, the inner drum shaft is hollow, the inner drum shaft is arranged outside the motor support structure through the shaft hole and is communicated with the water inlet pipe, and the positioning groove extends from the first flange and the second flange to the shaft hole to position the water inlet pipe. The shaft hole is arranged at the bottom of the U-shaped support part, and the flow guide structure is arranged outside the bottom of the U-shaped support part. The first support part is quadrangular, and the shaft hole is arranged at the center of the first support part. The two ends of the first flange and the two ends of the second flange respectively extend to the two second support parts, and the two ends of the first flange respectively extend to the vicinity of the two second support parts, and the extension length of the second flange is equal to that of the first flange. The side of the first support part away from the second support part is provided with a ring-shaped concave pressure type surrounding the shaft hole and recessed relative to the first support part, and the first flange is arranged on the first support part outside the ring-shaped concave pressure type. The ring-shaped concave pressure type is a square ring-shaped concave pressure type, the two sides of the square ring-shaped concave pressure type respectively extend to the two second support parts, and the extension length of the square ring-shaped concave pressure type is equal to the extension length of the first flange.

2. The drum-type washing machine according to claim 1, characterized in that, The continuous area formed by the first flange, the second flange, the ring-shaped concave pressure type, and the first support part inside and outside the ring-shaped concave pressure type is provided with the positioning groove, one end of the positioning groove extends to the vicinity of the shaft hole with a spacing between the one end and the shaft hole.

3. The drum-type washing machine according to claim 2, characterized in that, A plurality of first fixing holes are arranged on the first support part between the one end of the positioning groove and the shaft hole, and the plurality of first fixing holes are distributed along the circumference of the shaft hole.

4. The drum-type washing machine according to claim 3, characterized in that, The motor support structure further comprises two fixing parts, one end of the second support part away from the first support part is bent outward to form the fixing part, and the fixing part is provided with a second fixing hole; 5. A drum washing machine according to any one of claims 1 to 4, characterised in that, The size of the second support part gradually decreases from the fixing part to the first support part. ​ 6. The drum-type washing machine according to claim 5, characterized in that, ​ 7. The drum-type washing machine according to claim 6, characterized in that, ​ 8. A drum washing machine according to any one of claims 1 to 4, characterised in that, ​ ​

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