WO2022170900A1

WO2022170900A1 - Support structure of front load washing machine, and front load washing machine

Info

Publication number: WO2022170900A1
Application number: PCT/CN2022/071196
Authority: WO
Inventors: 刘凯; 刘晓春; 李方宇; 侯永顺
Original assignee: 青岛海尔洗衣机有限公司; 海尔智家股份有限公司
Priority date: 2021-02-09
Filing date: 2022-01-11
Publication date: 2022-08-18
Also published as: CN114908517A

Abstract

Disclosed in the present invention are a support structure of a front load washing machine, and a front load washing machine. The support structure of a front load washing machine comprises: a motor support frame, a bearing seat mounted on the motor support frame, and a water outlet adapter mounted on the bearing seat; the motor support frame and the bearing seat are both provided with shaft holes, and the water outlet adapter is provided with an opening. The support structure also comprises a first pre-positioning structure for pre-positioning of the water outlet adapter and/or a second pre-positioning structure for pre-positioning of the bearing seat. The water outlet adapter is pre-positioned by using the first pre-positioning structure, and/or the bearing seat is pre-positioned by using the second pre-positioning structure, so that the occurrence of misalignment of the water outlet adapter and the bearing seat during mounting is avoided, and repeated adjustment of the position of the water outlet adapter and of the bearing seat is avoided, and thus the water outlet adapter and the bearing seat can be correctly mounted, an assembly effect is improved, and the waste of manpower and time is reduced. Also provided is a front load washing machine, comprising the support structure of a front load washing machine, and a water inlet pipe; the water outlet adapter is provided at a water outlet end of the water inlet pipe.

Description

A support structure for a drum washing machine and the drum washing machine

technical field

The invention belongs to the technical field of household appliances, and in particular relates to a support structure of a drum washing machine and the drum washing machine.

Background technique

In the prior art, a drum washing machine generally includes an inner tub for holding clothes, an inner tub support and a motor. An inner tub shaft is arranged at the bottom of the inner tub. The inner tub shaft extends along the front and rear directions of the inner tub. The motor is arranged on the inner cylinder support member, the inner cylinder shaft passes through the inner cylinder support member and is connected to the motor, and the motor drives the inner cylinder shaft to rotate, thereby driving the inner cylinder to rotate, so that the inner cylinder can beat and wash the clothes; The support member includes an outer cylinder for holding washing water, the inner cylinder is rotatably assembled in the outer cylinder, and a dehydration hole is arranged on the inner cylinder, so that the water in the outer cylinder flows into the inner cylinder through the dehydration hole to soak the clothes in the inner cylinder and dehydrate the inner cylinder. The water in the cylinder flows out to the outer cylinder through the dehydration hole, and the moisture on the clothes in the inner cylinder is discharged to the outer cylinder through the dehydration hole when the inner cylinder rotates at a high speed, so as to achieve the purpose of washing the clothes.

In the existing drum washing machine, the interior of the inner drum shaft is hollow, and the water inlet pipe is connected with the inner drum shaft to realize water inflow into the inner drum; in order to increase the stability of the motor on the inner drum support, the inner drum support is generally used. There is a motor support frame on the part, the motor is clamped between the motor support structure and the inner cylinder support, the motor support frame fastens the motor on the inner cylinder support, and a bearing seat supporting the inner cylinder shaft is installed on the motor support frame. Both the motor support frame and the bearing seat are provided with shaft holes that allow the inner cylinder shaft to pass through; one end of the inner cylinder shaft in the axial direction is provided with a water inlet, and the water outlet of the water inlet pipe is internally hollow and communicated with the water inlet of the inner cylinder shaft. The water outlet adapter is provided with an opening allowing the inner cylinder shaft to be inserted, the opening of the water outlet adapter faces the bearing seat, the water outlet adapter is buckled on the bearing seat, and passes through the motor support frame and the inner barrel of the bearing seat The shaft is inserted into the water outlet adapter through the opening of the water outlet adapter to realize the connection between the water inlet of the inner cylindrical shaft and the water outlet adapter; wherein, the bearing seat is installed on the motor support frame in the following way: the bearing seat and the motor support frame are provided with Mounting holes, the two mounting holes are connected together by a connector to realize the fixed installation of the bearing seat on the motor support frame; the water outlet adapter is installed on the bearing seat in the following way: both the water outlet adapter and the bearing seat are provided with mounting holes, and the water outlet adapter is installed on the bearing seat. The connector connects the two mounting holes together to realize the fixed installation of the water outlet adapter on the bearing seat; when installing the bearing seat and the water outlet adapter, since there is no structure for pre-positioning the bearing seat and the water outlet adapter, the bearing seat and the water outlet adapter are not pre-positioned. The water outlet adapter is dislocated during installation, and it is necessary to manually adjust the position of the bearing seat on the motor support frame to install the bearing seat and the position of the water outlet adapter on the bearing seat to install the water outlet adapter. Manual repeated adjustment makes the bearing seat assembled. The effect is reduced, and manpower and time are wasted.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, and to provide a support structure for a drum washing machine and a drum washing machine. By using a pre-positioning structure to pre-position the bearing seat and the water outlet adapter, the bearing seat and the water outlet transfer are avoided. The joints are misaligned, so as to avoid the repeated adjustment of the position of the bearing seat and the water outlet adapter, so that the bearing seat and the water outlet adapter can be installed in place, so as to improve the assembly effect and reduce the waste of manpower and time.

In order to solve the above-mentioned technical problems, the basic conception of the technical scheme adopted in the present invention is:

The invention provides a support structure for a drum washing machine, which includes a motor support frame, a bearing seat mounted on the motor support frame, and a water outlet adapter installed on the bearing seat. Both the motor support frame and the bearing seat are provided with an inner cylindrical shaft passing through The shaft hole, the water outlet adapter is provided with an opening for inserting the outgoing inner cylinder shaft, and also includes a first pre-positioning structure for installing and pre-positioning the water outlet adapter and/or a second pre-positioning for installing and pre-positioning the bearing seat. Pre-positioning structure.

Further, the first pre-positioning structure includes a plurality of first positioning protrusions arranged on the water outlet adapter and/or the bearing seat and extending in the axial direction, the water outlet adapter and/or the bearing seat are provided with a number of first positioning holes, the first The positioning protrusion is inserted into the first positioning hole.

Further, the water outlet adapter is hemispherical, and the water outlet adapter is provided with an opening in the center of the diameter end, and the opening is used as the first positioning hole; The mounting protrusion is provided with a first positioning protrusion on the side of the mounting protrusion facing the bearing seat.

Further, the outer peripheral edge of the mounting protrusion is provided with a plurality of edge protrusions distributed at intervals along the circumferential direction and protruding radially, and the edge protrusion is provided with a first positioning protrusion;

Preferably, the water outlet end of the water inlet pipe is located between two adjacent first positioning protrusions.

Further, the first positioning hole is a stepped hole, the axial section of the first positioning hole is circular, and the diameter of each step of the first positioning hole gradually decreases from the outside of the water outlet adapter to the inside.

Further, the bearing seat includes a first part and a second part arranged on the first part, the first part is embedded in the motor support frame through the shaft hole of the motor support frame, the first part is provided with a shaft hole coaxial with the shaft hole of the motor support frame, and the first part is arranged in the motor support frame through the shaft hole of the motor support frame. The two parts are in contact with the outside of the motor support frame, and the second part is provided with a first positioning hole; and/or, the second part protrudes along the circumference and axial direction of the shaft hole to form a first positioning protrusion.

Further, the first part is cylindrical, the inner peripheral wall of the first part surrounds the shaft hole, and the outer peripheral wall of the first part protrudes a circle along the circumferential radial direction to form the second part.

Further, the second pre-positioning structure includes a plurality of second positioning protrusions arranged on the motor support frame and extending in the axial direction, a plurality of second positioning holes are formed on the bearing seat, and the second positioning protrusions are inserted into the second positioning holes.

Further, the motor support frame is a strip-shaped plate structure, the motor support frame is U-shaped, the bottom of the groove of the motor support frame is provided with a shaft hole, the second part of the bearing seat is in contact with the outer side of the groove bottom of the motor support frame, and the motor support frame A second positioning protrusion is arranged on the outer side of the groove bottom;

Preferably, the second positioning holes are distributed at the edge of the second part of the bearing seat, and the second positioning holes are provided with openings that open away from the shaft holes of the bearing seat.

The present invention also provides a drum washing machine, which includes the support structure of the drum washing machine provided by the above technical solution, and also includes a water inlet pipe, and the water outlet end of the water inlet pipe is provided with a water outlet adapter.

After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art.

By using the first pre-positioning structure to pre-position the water outlet adapter, and/or using the second pre-positioning structure to pre-position the bearing seat, the water outlet adapter and the bearing seat can be prevented from being dislocated during installation, thereby avoiding the water outlet adapter. The position of the bearing seat and the bearing seat are adjusted repeatedly, so that the water outlet adapter and the bearing seat can be installed in place, which improves the assembly effect and reduces the waste of manpower and time.

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Description of drawings

The accompanying drawings, as a part of the present invention, are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings in the following description are only some embodiments, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of a drum washing machine in an embodiment of the present invention;

2 is a schematic structural diagram of a support structure of a drum washing machine in an embodiment of the present invention;

Fig. 3 is the enlarged view of Fig. 2 at A;

Fig. 4 is the enlarged view at A of Fig. 2 without connecting piece;

5 is a schematic structural diagram of a water outlet adapter in an embodiment of the present invention;

6 is a schematic structural diagram of a bearing seat in an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a motor support frame and a bearing seat in an embodiment of the present invention.

In the figure: 1-support; 11-motor support frame; 12-bearing seat; 121-first part; 1211-shaft hole of bearing seat; 1212-first installation hole; 122-second part; 1221-installation groove; 1222-second mounting hole; 1223-fourth mounting hole; 13-second pre-positioning structure; 131-second positioning protrusion; 132-second positioning hole; 1321-opening; 2-inner cylinder supporter; 21 -outer cylinder; 3-motor; 4-water inlet pipe; 41-water outlet adapter; 411-installation protrusion; 412-third installation hole; 413-edge protrusion; 5-first pre-positioning structure; 51-first Positioning protrusion; 52 - the first positioning hole.

It should be noted that these drawings and written descriptions are not intended to limit the scope of the present invention in any way, but to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention , but are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. The indicated bearing or positional relationship is based on

The orientation or positional relationship shown in the drawings is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as Limitations of the present invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in FIGS. 1-6 , the present invention provides a drum washing machine, which includes a support member 1, a bearing seat 12 mounted on the support member 1, and a water inlet pipe 4. Both the support member 1 and the bearing seat 12 are provided with an inner cylinder The shaft hole through which the shaft passes, the water outlet end of the water inlet pipe 4 has a water outlet adapter 41 for inserting the inner cylindrical shaft through and installed on the bearing seat 12, and also includes a first pre-positioning for pre-positioning the water outlet adapter 41 The structure 5 and/or the second pre-positioning structure 13 for pre-positioning the bearing seat 12 .

In the embodiment of the present invention, by using the first pre-positioning structure 5 to pre-position the water outlet adapter 41, and/or using the second pre-positioning structure 13 to pre-position the bearing seat 12, the water outlet adapter 41 and the bearing seat are avoided. 12 is dislocated during installation, so as to avoid repeated adjustment of the position of the water outlet adapter 41 and the bearing seat, so that the water outlet adapter 41 and the bearing seat 12 can be installed in place, which improves the assembly effect and reduces the waste of manpower and time.

The water outlet adapter 41 and the water inlet pipe 4 are integrally formed. Therefore, the first pre-positioning structure 5 pre-positions the water outlet adapter 41 and also pre-positions the water inlet pipe 4, so that the water inlet pipe 4 is not easily dislocated during installation, and no manpower is required. Adjust the position of the water inlet pipe 4 several times so that the water inlet pipe 4 can be installed in place.

The support frame includes a motor support frame 11, the motor support frame 11 is used to support the motor 3, and the motor 3 is used to drive the inner cylinder shaft to rotate, thereby driving the inner cylinder to rotate; the bearing seat 12 is used to support the inner cylinder shaft; the bearing seat 12 is installed on the motor On the support frame 11, the motor support frame 11 and the bearing seat 12 are provided with shaft holes for the inner cylindrical shaft to pass through. The opening on the water outlet adapter 41 is inserted into the water outlet adapter 41 to realize the communication between the water inlet of the inner cylinder shaft and the interior of the water outlet adapter 41; The frame 11 and the inner cylinder support 2, the inner cylinder support 2 includes an outer cylinder 21 arranged outside the inner cylinder.

Specifically, the drum washing machine only includes the first pre-positioning structure 5 , the drum washing machine includes the first pre-positioning structure 5 and the second pre-positioning structure 13 , or the drum washing machine includes the second pre-positioning structure 13 .

As shown in FIG. 5 and FIG. 6 , in the embodiment of the present invention, the first pre-positioning structure 5 includes a plurality of first positioning protrusions 51 arranged on the water outlet adapter 41 and/or the bearing seat 12 and extending in the axial direction, The water outlet adapter 41 and/or the bearing seat 12 are provided with a plurality of first positioning holes 52 , and the first positioning protrusions 51 are inserted into the first positioning holes 52 .

In the embodiment of the present invention, the water outlet adapter 41 is provided with a first positioning protrusion 51, and the bearing seat 12 is provided with a first positioning hole 52; The adapter 41 and the bearing seat 12 are both provided with a first positioning hole 52; or, the water outlet adapter 41 is provided with a first positioning hole 52, and the bearing seat 12 is provided with a first positioning protrusion 51;

For example, during pre-positioning, the first positioning protrusion 51 on the water outlet adapter 41 is completely inserted into the first positioning hole 52 on the bearing seat, and the first positioning protrusion 51 on the bearing seat 12 is inserted into the water outlet adapter 41. inside the first positioning hole 52.

In the embodiment of the present invention, the water outlet adapter 41 is hemispherical, the water outlet adapter 41 is provided with an opening in the center of the diameter end, and the opening is used as the first positioning hole 52; and/or,

The water outlet adapter 41 is provided with a ring of mounting protrusions 411 protruding radially on the outer periphery of the opening end, and a first positioning protrusion 51 is provided on the side of the mounting protrusion 411 facing the bearing seat 12 .

In the embodiment of the present invention, the water outlet adapter 41 is provided with a first positioning hole 52, the opening of the water outlet adapter 41 is used as the first positioning hole 52, and the bearing seat 12 is provided with a first positioning protrusion 51; The installation protrusion 411 is provided with a first positioning protrusion 51, and the bearing seat 12 is provided with a first positioning hole 52; A first positioning protrusion 51 is provided, and a first positioning protrusion 51 and a first positioning hole 52 are provided on the bearing seat 12;

The inner cylinder shaft extends in the horizontal direction, and the interior is hollow, and one end of the inner cylinder shaft in the axial direction is provided with a water inlet, and the water outlet of the water inlet pipe 4 has a water outlet adapter 41 that communicates with the water inlet of the inner cylinder shaft. The adapter 41 is hemispherical; when water enters, the incoming water from the water outlet of the water inlet pipe 4 first enters the water outlet adapter 41, and then enters the inner barrel shaft through the water outlet adapter 41, and the water in the inner barrel shaft passes through the inner barrel. The water outlet of the cylindrical shaft enters the inner cylinder; the water outlet adapter 41 is provided because on the one hand, it is used to buffer the speed of the incoming water, reduce the water inlet pressure of the incoming water, and make the water inflow proceed relatively smoothly, on the other hand Change the flow direction of the water inlet of the water inlet pipe 4, so that the inlet water can enter the inner cylinder shaft relatively smoothly; the water outlet end of the water inlet pipe 4 is located between two adjacent first positioning protrusions.

The water outlet adapter 41 is provided with an opening at the diameter end, the inner cylinder shaft is inserted into the water outlet adapter 41 through the opening, and the water outlet adapter 41 is provided with an opening at the diameter end, that is, the inlet water in the water outlet adapter 41 rotates along with the water outlet. The size of the joint 4141 is gradually increased to flow, which can buffer the inlet water flow rate to a minimum degree.

The opening of the water outlet adapter 41 faces the bearing seat 12 and is fastened on the bearing seat 12 , and the water outlet adapter 41 covers the shaft hole 1211 of the bearing seat 12 . The water outlet adapter 41 is provided with a ring of mounting protrusions 411 extending outward and radially on the outer periphery of the opening. The mounting protrusions 411 are provided with a number of third mounting holes for fixing the water outlet adapter 41 on the bearing seat 12 412 , the third mounting hole 412 is used to fix the protrusion on the bearing seat 12 by cooperating with bolts, screws, etc., and the setting of the mounting protrusion 411 increases the contact area between the water outlet adapter 41 and the bearing seat 12 .

As shown in FIG. 5 , specifically, the outer peripheral edge of the mounting protrusion 411 is provided with a plurality of edge protrusions 413 distributed at intervals along the circumferential direction and protruding radially. The edge protrusions 413 are provided with first positioning protrusions 51 . The arrangement of the protrusions 413 further increases the contact area between the water outlet adapter 41 of the mounting protrusions 411 and the bearing seat 12; and the third mounting holes 412 are also provided on the edge protrusions 413;

The mounting protrusion 411 is in the shape of a circular ring, and the outer peripheral edge of the mounting protrusion 411 is evenly arranged with three edge protrusions 413 along the circumferential direction, and the three edge protrusions 413 are provided with third mounting holes 412; There are two edge protrusions 413 provided with first positioning protrusions 51 between the protrusions 413, and the two first positioning protrusions 51 are provided between the two adjacent third installation holes 412. The communication part of the water outlet adapter 41 is located between the two first positioning protrusions 51 , so as to maximize the pre-positioning of the water inlet pipe 4 .

As shown in FIG. 5 , further specifically, the first positioning hole 52 is a stepped hole, the axial cross-section of the first positioning hole 52 is circular, and the aperture of each step of the first positioning hole 52 gradually increases from the outside to the inside of the water outlet adapter 41 . Decrease, the first positioning hole 52 is formed by connecting multiple holes with different diameters end to end.

As shown in FIG. 2 , FIG. 3 and FIG. 4 , in the embodiment of the present invention, the second pre-positioning structure 13 includes a second positioning protrusion 131 arranged on the motor support frame 11 and extending in the axial direction, and the bearing seat 12 A second positioning hole 132 is provided on the top, and the second positioning protrusion 131 is inserted into the second positioning hole 132 .

In the embodiment of the present invention, specifically, the second pre-positioning structure 13 includes a second positioning protrusion 131 provided on the motor support frame 11 , the bearing seat 12 is provided with a second positioning hole 132 , and the second positioning protrusion 131 is located on the motor support frame 11 . The motor support frame 11 extends in the axial direction, and the axis line of the second positioning hole 132 also extends in the axial direction, which refers to the axial direction of the inner cylinder, so as to ensure that the second positioning protrusion 131 can be inserted into the second positioning hole 132, during pre-positioning, the second positioning protrusion 131 is completely inserted into the first positioning hole 52, and the extension length of the second positioning protrusion 131 can be the same as the axial extension length of the first positioning hole 52, or the second positioning protrusion 131 can be extended in the axial direction. The extension length of the positioning protrusion 131 may be smaller than the extension length of the first positioning hole 52 in the axial direction.

Specifically, the motor support frame 11 is provided with a plurality of second positioning protrusions 131 , the plurality of second positioning protrusions 131 are distributed along the circumferential direction of the shaft hole of the motor support frame 11 , and the plurality of second positioning protrusions 131 surround the motor support frame 11 . Outside the shaft hole, the bearing seat 12 is provided with a plurality of second positioning holes 132, the plurality of second positioning holes 132 are distributed along the circumferential direction of the shaft hole of the bearing seat, and the plurality of second positioning holes 132 surround the outside of the shaft hole of the bearing seat 12, While increasing the fixing points of the bearing seat 12 on the motor support frame 11 , the area covered by the fixing positions is increased, and the fixing strength and stability of the bearing seat 12 on the motor support frame 11 are improved.

As shown in FIG. 2, FIG. 3 and FIG. 4, in the embodiment of the present invention, the motor support frame 11 is a strip-shaped plate structure, the motor support frame 11 is U-shaped, and a shaft hole is provided at the bottom of the groove of the motor support frame 11. The outer side of the groove bottom of the support frame 11 protrudes axially to form a second positioning protrusion 131 .

In the embodiment of the present invention, the motor as a whole is a disc-shaped structure with a certain thickness, and the center of the motor is provided with a through hole for the inner cylinder shaft to pass through. When the motor support frame 11 is fixing the motor, the front side of the motor and the inner cylinder The support 2 abuts, the bottom of the U-shaped motor support frame 11 abuts against the rear side of the motor, and the two sides of the motor support frame 11 abut against the peripheral wall of the motor. The motor support frame 11 can support the motor in multiple directions at the same time, which improves the The support strength of the motor support frame 11 to the motor; the front side wall of the motor and the rear side wall of the motor are for the motor to be installed on the inner cylinder support 2, and the side facing the inner cylinder support 2 is the front side of the motor The side facing away from the inner cylinder support 2 is the rear side wall of the motor.

Specifically, the U-shaped motor support frame 11 includes a first support portion disposed at the bottom of the U-shaped motor support frame 11 and two second support portions disposed on both sides of the U-shaped motor support frame 11 . The first support portions are four-shaped. Square shape, the opposite sides of the first support part are respectively bent to form two second support parts, the shaft hole is arranged in the center of the first support part, and is located outside the U-shaped motor support frame 11, and the first support part is provided with opposite The second positioning protrusion 131 protrudes axially from the first support portion.

The inside of the second positioning protrusion 131 is hollow to form a cavity with two ends open.

As shown in FIGS. 2 , 3 and 7 , in the embodiment of the present invention, the bearing seat 12 includes a first part and a second part 122 . The first part is embedded in the motor support frame 11 through the shaft hole of the motor support frame 11 , and the first part is provided with The second part 122 of the shaft hole coaxial with the shaft hole of the motor support frame 11 is in contact with the outer side of the groove bottom of the motor support frame 11 , and the second part 122 is provided with a second positioning hole 132 .

In the embodiment of the present invention, the bearing seat 12 includes two parts, namely a first part and a second part 122 , the second part 122 is provided in the first part, and the first part is embedded in the motor support frame 11 through the shaft hole of the motor support frame 11 , and runs through the motor support frame 11, the first part is provided with the shaft hole 1211 of the bearing seat, and the shaft hole 1211 of the bearing seat is coaxial with the shaft hole of the motor support frame 11, and the second part 122 is used for the motor support frame 11 The bottom of the groove Abutting the outer side of the bearing seat and the motor support frame 11 to increase the contact area between the bearing seat and the motor support frame 11, the second part 122 is provided with a second positioning hole 132, and the second part 122 provides an installation area for the bearing seat 12 to be installed on the motor support frame 11 The second part 122 is provided with a fourth installation hole 1223 which is matched with the third installation hole 412 to realize the fixed installation of the book outlet adapter and the second part 122 .

The second part 122 and the first part are integrally formed, specifically, the first part is cylindrical, the inner peripheral wall of the first part is surrounded by a shaft hole, and the outer peripheral wall of the first part protrudes a circle along the circumferential radial direction to form the second part 122; The second part 122 is formed on the outer peripheral wall of the first part. After the first part is embedded in the motor support frame 11, the second part 122 abuts on the motor support frame 11; the first part is cylindrical, and the formed second protrusion is a circle The annular, annular second protrusion further increases the contact area between the bearing seat 12 and the motor support frame 11; the second protrusion is flush with the end of the first part.

As shown in FIG. 6 , the second portion 122 is provided with a first positioning hole 52 ; and/or, the second portion 122 protrudes along the circumference and axial direction of the shaft hole to form a first positioning protrusion 51 ; the second portion 122 The first positioning protrusion 51 is set on the top. Since the first positioning hole 52 on the bearing seat 12 is stepped, the first positioning protrusion 51 on the second part 122 is also stepped, and the first positioning protrusion 51 is inserted The first positioning hole 52 is in contact with the first positioning hole 52 .

As shown in FIG. 6 , in the embodiment of the present invention, a plurality of second positioning holes 132 are distributed at the edge of the second part 122 , and the second positioning holes 132 are provided with openings 1321 that open away from the shaft holes 1211 of the bearing seat.

In the embodiment of the present invention, a plurality of second positioning holes 132 are distributed at the edge of the second part 122 , two axial ends of the second positioning holes 132 are respectively provided with openings, and the second positioning holes 132 are provided with shafts facing away from the bearing seat The opening 1321 of the hole 1211 is open, and the opening 1321 is communicated with the two openings, that is, the side of the second positioning hole 132 facing away from the shaft hole of the bearing seat has a gap, so that when the bearing seat 12 is installed, it can be pushed manually. the bearing seat, so that the second positioning hole 132 of the bearing seat 12 is gradually approached to the second positioning protrusion 131, and the second positioning protrusion 131 is inserted into the second positioning hole 132 from the opening 1321, so as to avoid lifting the bearing seat by hand to make the bearing seat The second positioning hole 132 is aligned with the second positioning protrusion 131 , and the second positioning protrusion 131 is inserted into the second positioning hole 132 while the bearing seat 12 is placed on the motor support frame 11 .

As shown in FIG. 4 and FIG. 6 , in the embodiment of the present invention, the bottom of the groove of the motor support frame 11 is provided with a first mounting hole 1212 extending along the axial line, and the second portion 122 is provided with a second mounting hole 1212 . The hole 1222, the first mounting hole 1212 and the second mounting hole 1222 are fixedly connected through the connecting piece.

In the embodiment of the present invention, the motor support frame 11 is provided with a first mounting hole 1212, the second portion 122 of the bearing seat 12 is provided with a second mounting hole 1222, the connecting member may be a screw or a bolt, and the screw sequentially penetrates the second mounting hole The holes 1222 and the first mounting holes 1212 are then screwed with nuts, so that the second part 122 of the bearing seat 12 is fixed on the motor support frame 11 .

The first mounting holes 1212 are distributed along the circumference of the shaft hole of the motor support frame 11, and are on the same circumference as the second positioning protrusions 131, so that the pre-positioning position and the fixing position are on the same circumference, enhancing the pre-positioning effect.

Specifically, the second part 122 is provided with a mounting slot 1221 with an opening facing away from the bottom of the motor support frame 11, and a second mounting hole 1222 is provided at the bottom of the slot of the mounting slot 1221. The mounting slot 1221 can position screws or bolts so that the screws or The bolts are not prone to misalignment.

The mounting groove 1221 is provided with an opening that opens away from the shaft hole 1211 of the bearing housing, so that the screws or bolts can be easily adjusted through the opening. Regarding the distribution between the installation grooves 1221 and the second positioning holes 132 with openings: the second part 122 is provided with two installation grooves 1221 and two second positioning holes 132 with openings, and the two installation grooves 1221 Located at both ends of the diameter of the annular second portion 122, the second positioning holes 132 are provided between the two mounting grooves 1221, so that the bearing seat 12 has an open second positioning hole by manually pushing the bearing seat. 132 abuts against the second positioning protrusion 131 .

The installation grooves 1221 are distributed along the circumferential direction of the shaft hole of the bearing housing, and are on the same circumference as the second positioning hole 132, so that the pre-positioning position and the fixing position are on the same circumference, which enhances the pre-positioning effect.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Within the scope of the technical solution of the present invention, personnel can make some changes or modifications to equivalent examples of equivalent changes by using the above-mentioned technical content, but any content that does not depart from the technical solution of the present invention is based on the technical solution of the present invention. Substantially any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the solutions of the present invention.

Claims

A support structure for a drum washing machine comprises a motor support frame, a bearing seat mounted on the motor support frame, and a water outlet adapter mounted on the bearing seat, wherein the motor support frame and the bearing seat are provided with shaft holes for the inner cylindrical shaft to pass through. , the water outlet adapter is provided with an opening for inserting the inner cylinder shaft, which is characterized in that it also includes a first pre-positioning structure for installing and pre-positioning the water outlet adapter and/or a second pre-positioning structure for installing and pre-positioning the bearing seat. Two pre-positioning structures.
The support structure for a front-loading washing machine according to claim 1, wherein the first pre-positioning structure comprises a plurality of first positioning protrusions arranged on the water outlet adapter and/or the bearing seat and extending in the axial direction, and the water outlet adapter And/or the bearing seat is provided with a plurality of first positioning holes, and the first positioning protrusions are inserted into the first positioning holes.
The support structure for a drum washing machine according to claim 2, wherein the water outlet adapter is hemispherical, and the water outlet adapter is provided with an opening in the center of the diameter end, and the opening is used as the first positioning hole; and/or, the water outlet adapter A ring of mounting protrusions protruding radially is arranged on the outer periphery of the opening end, and a first positioning protrusion is provided on the side of the mounting protrusion facing the bearing seat.
The support structure for a front-loading washing machine according to claim 3, wherein the outer peripheral edge of the mounting protrusion is provided with a plurality of edge protrusions distributed at intervals along the circumferential direction and protruding radially, and the edge protrusion is provided with a first positioning bulge;

Preferably, the water outlet end of the water inlet pipe is located between two adjacent first positioning protrusions.
The support structure of the front-loading washing machine according to claim 4, wherein the first positioning hole is a stepped hole, the axial section of the first positioning hole is circular, and the diameter of each step of the first positioning hole is determined by the water outlet adapter gradually decreases from outside to inside.
The support structure for a front-loading washing machine according to any one of claims 1-5, wherein the bearing seat comprises a first part and a second part arranged on the first part, and the first part is embedded in the motor support frame through the shaft hole of the motor support frame Inside, the first part is provided with a shaft hole coaxial with the shaft hole of the motor support frame, the second part is in contact with the outer side of the motor support frame, and the second part is provided with a first positioning hole; and/or, the second part is along the shaft hole Circumferential and axial projections form the first positioning projections.
The support structure of the front-loading washing machine according to claim 6, wherein the first part is cylindrical, the inner peripheral wall of the first part is surrounded by a shaft hole, and the outer peripheral wall of the first part protrudes in a circle along the circumferential radial direction to form the second part. part.
The support structure for a front-loading washing machine according to any one of claims 1-7, wherein the second pre-positioning structure comprises a plurality of second positioning protrusions arranged on the motor support frame and extending in the axial direction, and the bearing seat is on the bearing seat. A plurality of second positioning holes are provided, and the second positioning protrusions are inserted into the second positioning holes.
The support structure of the front-loading washing machine according to claim 8, wherein the motor support frame is a strip-shaped plate structure, the motor support frame is U-shaped, the bottom of the groove of the motor support frame is provided with a shaft hole, and the second part of the bearing seat abutting with the outer side of the groove bottom of the motor support frame, and a second positioning protrusion is arranged on the outer side of the groove bottom of the motor support frame;

Preferably, the second positioning holes are distributed at the edge of the second part of the bearing seat, and the second positioning holes are provided with openings that open away from the shaft holes of the bearing seat.
A drum washing machine, characterized in that it includes the support structure of the drum washing machine according to any one of claims 1-9, and also includes a water inlet pipe, and a water outlet adapter is provided at the water outlet end of the water inlet pipe.