WO2019214622A1

WO2019214622A1 - Fixing structure for fixing rear end of inner cylinder and clothes dryer

Info

Publication number: WO2019214622A1
Application number: PCT/CN2019/085877
Authority: WO
Inventors: 孙祥正; 张纯锋; 肖磊; 金磊
Original assignee: 青岛海尔滚筒洗衣机有限公司
Priority date: 2018-05-09
Filing date: 2019-05-07
Publication date: 2019-11-14
Also published as: CN110468565B; CN110468565A

Abstract

A fixing structure for fixing a rear end of an inner cylinder and a clothes dryer having the same. The fixing structure for fixing the rear end of the inner cylinder comprises: a flange plate (1), wherein one end of the flange plate (1) is installed on a rear flange (6) of the inner cylinder; a bearing chamber (2) disposed at an outer side of the rear flange (6) of the inner cylinder, the bearing chamber (2) being configured to fixedly connect to a fixing plate (7) of the clothes dryer; and a bearing (3) installed in the bearing chamber (2), wherein the other end of the flange plate (1) passes through the bearing (3) and can rotate with the inner ring of the bearing (3).

Description

Inner tube rear end fixing structure and dryer

The present disclosure claims priority to Chinese Patent Application No. 20181, 043, 687, filed on May 9, 2018, the entire disclosure of which is incorporated herein by reference.

Technical field

The present invention relates to the technical field related to clothes dryers, for example, to an inner cylinder rear end fixing structure and a clothes dryer.

Background technique

At present, the fixing method of the inner end of the inner tube of the dryer on the market is different. Some of the bearings are installed inside the inner tube through the shaft, which causes the bearing to work in a humid and high temperature environment for a long time, which is easy to cause damage and damage, and the dryer is not normal. It is also used; the bearing is installed outside the inner cylinder through the shaft, but the installation is inconvenient; and when the bearing is installed outside the inner cylinder, the cover is mounted on the shaft by screws in the inner cylinder, but the screw leakage is easy to scratch Clothing, there are also cases where the cover is easily loosened by the clothes.

Summary of the invention

This paper provides an inner cylinder rear end fixing structure and a clothes dryer to solve the problem that the existing dryer machine bearing is easily damaged in the inner cylinder and the bearing installation is inconvenient to be installed outside the inner cylinder.

This paper proposes an inner cylinder rear end fixing structure, including:

a flanged shaft, one end of the flanged shaft is mounted on the rear flange of the inner cylinder;

a bearing chamber is located outside the rear flange of the inner cylinder, and the bearing chamber is disposed to be fixed to a fixing plate of the dry cleaning machine;

The bearing is mounted in the bearing chamber, and the other end of the flanged shaft is bored in the bearing and rotatable with the inner ring of the bearing.

Also provided herein is a clothes dryer including a fixed plate and the above-described inner tube rear end fixing structure.

DRAWINGS

1 is a schematic view showing the assembly of an inner cylinder rear end fixing structure and an inner cylinder rear flange according to an embodiment of the present invention;

Figure 2 is a cross-sectional view showing the rear end fixing structure of the inner cylinder of an embodiment of the present invention;

Figure 3 is an enlarged schematic view of A of Figure 2;

4 is a schematic structural view of a flanged shaft of an inner cylinder rear end fixing structure according to an embodiment of the present invention;

Figure 5 is a schematic view showing the structure of a shaft of a flanged shaft according to an embodiment of the present invention;

6 is a schematic structural view of a reinforcing plate of a rear end fixing structure of an inner cylinder according to an embodiment of the present invention;

7 is a schematic structural view of a protective cover of a rear end fixing structure of an inner cylinder according to an embodiment of the present invention.

In the picture:

1, flanged shaft disk; 2, bearing room; 3, bearing; 4, reinforcing plate; 5, protective cover; 6, inner cylinder rear flange; 7, fixed plate; 8, first screw; 10, flat pad; 11, shaft; 12, flange; 41, limit card slot; 42, elongated hole; 51, groove; 52, limit buckle; 111, plane; 112, screw hole.

detailed description

The technical solutions herein will be further described below in conjunction with the accompanying drawings and specific embodiments.

The present invention provides an inner cylinder rear end fixing structure, as shown in FIGS. 1-3, the inner cylinder rear end fixing structure includes a flange shaft 1, a bearing chamber 2, a bearing 3, a reinforcing plate 4, and a protective cover 5, wherein:

As shown in FIG. 4, the flanged disc 1 includes a shaft 11 and a flange 12 connected to one end of the shaft 11. Specifically, the shaft 11 and the flange 12 may be integrally formed or may be separately provided. In this embodiment, the flange 12 is fixedly sleeved on the shaft 11. In the embodiment, a first elongated hole is defined in the flange 12, and a plane 111 is symmetrically disposed on both ends of the shaft 11. As shown in FIG. 5, by fitting the plane 111 to the two side walls of the first elongated hole, the flange 12 can be press-fitted to the shaft 11 so that there is no relative rotation between the two, and the above structure It also reduces production costs.

In the present embodiment, the flange 12 is fixedly mounted on the inner cylinder rear flange 6 of the dryer. In some embodiments, the flange 12 can be fixed to the inner cylinder rear flange 6 by bolting.

One end of the shaft 11 is bored in the inner cylinder rear flange 6, and the other end is bored in the bearing 3 and is rotatable in synchronization with the inner ring of the bearing 3. In this embodiment, referring to FIG. 3, a screw hole 112 is defined in one end of the shaft 11 passing through the bearing 3. The second screw 9 is threaded through the flat washer 10 and then screwed to the screw hole 112. In the embodiment, the diameter of the flat pad 10 is larger than the inner diameter of the inner ring of the bearing 3. When the second screw 9 is screwed to the screw hole 112, the flat pad 10 is pressed against the inner ring end surface of the bearing 3, The shaft 11 is enabled to rotate in synchronism with the inner ring of the bearing 3.

In the present embodiment, the bearing 3 is mounted in the bearing chamber 2, the bearing chamber 2 is located outside the inner cylinder rear flange 6, and the bearing chamber 2 is disposed to be fixedly coupled to the fixing plate 7 of the dryer. In some embodiments, the bearing chamber 2 is fixedly coupled to the fixed plate 7 by a plurality of bolts.

In this embodiment, referring to FIG. 3, the reinforcing plate 4 is located inside the inner cylinder rear flange 6, and the reinforcing plate 4, the inner cylinder rear flange 6 and the flange 12 are fixedly connected by bolts. By providing the reinforcing plate 4, the connection strength between the inner cylinder rear flange 6 and the flange 12 can be effectively improved. Further, in the present embodiment, the bolts are mounted from the front to the rear, that is, from the reinforcing plate 4 to the flange 12, which facilitates disassembly during installation and maintenance.

As shown in FIG. 6, in the embodiment, an elongated hole 42 is formed at an intermediate position of the reinforcing plate 4, and the shape of the elongated hole 42 is matched with the shape of the end of the shaft 11 of the flange 11. The opposite side walls of the aperture 42 conform to the two planes 111 of the shaft 11 described above. Through the arrangement of the elongated hole 42 and the two planes 111 of the shaft 11, on the one hand, the shaft 11 can be made to facilitate the hole when it is mounted, and on the other hand, the shaft 11 and the reinforcing plate 4 can be relatively fixed without occurrence of relative Turn.

Referring to FIG. 7 , the protective cover 5 is located inside the inner cylinder rear flange 6 , and the protective cover 5 is fixed to one end end of the shaft 11 that is not disposed in the bearing 3 . In this embodiment, the first screw 8 is used. The protective cover 5 is connected to the end of the shaft 11. By providing the protective cover 5, the reinforcing plate 4 and the bolts are evenly covered, thereby avoiding the exposure of the bolt and the reinforcing plate 4.

In some embodiments, the intermediate position of the protective cover 5 is provided with a recess 51 of the concave shaft 11, and the head of the first screw 8 is located in the recess 51, that is, the first screw 8 is installed in an embedded manner. The inside of the recess 51 of the protective cover 5 can effectively prevent the first screw 8 from scratching the laundry.

In this embodiment, a limit buckle 52 is disposed on the protective cover 5, and correspondingly, a limit card slot 41 (shown in FIG. 6) is disposed on the reinforcing plate 4, and the limit buckle 52 is fastened to the limit. Inside the card slot 41. By the arrangement of the limit buckle 52 and the limit card slot 41, it is possible to prevent the clothing from loosening and falling off when the inner cylinder is rotated.

In the above-mentioned inner cylinder rear end fixing structure of the present embodiment, first, the bearing chamber 2 is fixed to the fixing plate 7, and then one end of the shaft 11 is bored in the bearing 3, and the second screw 9 and the flat washer are passed. 10 causes the shaft 11 to rotate in synchronism with the inner ring of the bearing 3. Then, the flange shaft 1 and the inner cylinder rear flange 6 are fixed, that is, the reinforcing plate 4, the inner cylinder rear flange 6 and the flange 12 of the flange shaft 1 are fixed by bolts, and then the protective cover 5 is installed. The first screw 8 is fixed to the shaft 11 and is fastened in the limiting slot 41 of the reinforcing plate 4 by the limiting buckle 52.

The invention also provides a clothes dryer, comprising the above-mentioned inner cylinder rear end fixing structure, capable of arranging the bearing 3 on the outer side of the inner cylinder rear flange 6, which can effectively isolate from the hot air in the inner cylinder, thereby effectively avoiding the long-term bearing 3 The service life caused by working in a humid and high temperature environment is reduced, preventing the bearing 3 from malfunctioning. Moreover, the rear end fixing structure of the inner cylinder is installed from the way of going backwards, which is convenient for installation and maintenance.

This paper proposes an inner cylinder rear end fixing structure, including:

a bearing chamber is located outside the rear flange of the inner cylinder, and the bearing chamber is disposed to be fixed to a fixing plate of the dryer;

In some embodiments, the flange shaft includes a shaft and a flange fixed to one end of the shaft, one end of the shaft passing through the bearing and rotatable with an inner ring of the bearing, The flange is fixedly mounted on the rear flange of the inner cylinder.

In some embodiments, the flange is sleeved at one end of the shaft that is not bored in the bearing, and an end of the shaft that is not threaded through the bearing passes through the inner cylinder rear flange Settings.

In some embodiments, the inner cylinder rear end fixing structure further includes a reinforcing plate located inside the inner cylinder rear flange, the reinforcing plate, the inner cylinder rear flange, and the flange The three are connected by bolts.

In some embodiments, the inner cylinder rear end fixing structure further includes a protective cover fixed to one end end of the shaft not disposed in the bearing, and is disposed on the reinforcing plate And the bolts are outside.

In some embodiments, the protective cover is fixedly coupled to the shaft by a first screw.

In some embodiments, the protective cover intermediate position is provided with a recess that is recessed toward the shaft, the head of the first screw being located within the recess.

In some embodiments, the protective cover is provided with a limiting buckle, and the reinforcing plate is provided with a limiting card slot, and the limiting buckle is fastened in the limiting card slot.

In some embodiments, the shaft is not symmetrically disposed on both sides of the bearing, and a flat surface is formed. The reinforcing plate is provided with an elongated hole that cooperates with the plane.

In some embodiments, one end of the shaft passing through the bearing is provided with a screw hole, and the second screw is threaded to the screw hole through the flat pad, and the flat pad is pressed into the bearing On the end of the ring.

This article can achieve the following beneficial effects:

By placing the bearing on the outer side of the inner flange of the inner cylinder, it can effectively isolate from the hot air in the inner cylinder, effectively avoiding the life reduction caused by the long-term operation of the bearing in a humid and high temperature environment, and preventing the bearing from malfunctioning. Moreover, the rear end fixing structure of the inner cylinder is installed from the way of going backwards, which is convenient for installation and maintenance.

Claims

An inner cylinder rear end fixing structure includes:

a flanged shaft (1), one end of the flanged shaft (1) is mounted on the rear flange (6) of the inner cylinder;

a bearing chamber (2) located outside the inner cylinder rear flange (6), and the bearing chamber (2) is arranged to be fixed to a fixing plate (7) of the dryer;

The bearing (3) is mounted in the bearing chamber (2), and the other end of the flange shaft (1) is bored in the bearing (3) and rotatable with the inner ring of the bearing (3).
The inner cylinder rear end fixing structure according to claim 1, wherein the flange shaft (1) includes a shaft (11) and a flange (12) fixed to one end of the shaft (11), One end of the shaft (11) is bored in the bearing (3) and rotatable with an inner ring of the bearing (3), and the flange (12) is fixedly mounted on the inner cylinder rear flange (6) on.
The inner cylinder rear end fixing structure according to claim 2, wherein the flange (12) is sleeved at one end of the shaft (11) not pierced in the bearing (3), and the shaft (11) One end not provided in the bearing (3) is disposed through the inner cylinder rear flange (6).
The inner cylinder rear end fixing structure according to claim 2 or 3, wherein the inner cylinder rear end fixing structure further comprises a reinforcing plate (4), the reinforcing plate (4) is located at the inner cylinder rear flange (6) On the inner side, the reinforcing plate (4), the inner cylinder rear flange (6) and the flange (12) are fixedly connected by bolts.
The inner cylinder rear end fixing structure according to claim 4, the inner cylinder rear end fixing structure further comprising a protective cover (5), the protective cover (5) being fixed to the shaft (11) not being disposed at One end of the bearing (3) is disposed outside the reinforcing plate (4) and the bolt.
The inner cylinder rear end fixing structure according to claim 5, wherein the protective cover (5) and the shaft (11) are fixedly connected by a first screw (8).
The inner cylinder rear end fixing structure according to claim 6, wherein the protective cover (5) is provided with a recess (51) recessed toward the shaft (11) at an intermediate position, the first screw (8) The head is located within the recess (51).
The inner tube rear end fixing structure according to claim 5, wherein the protective cover (5) is provided with a limit buckle (52), and the reinforcing plate (4) is provided with a limit card slot (41). The limit buckle (52) is fastened in the limit card slot (41).
The inner cylinder rear end fixing structure according to claim 4, wherein a plane (111) is symmetrically disposed on both sides of the one end of the shaft (11) which is not bored in the bearing (3), the reinforcing plate ( 4) The upper opening is provided with an elongated hole (42) that cooperates with the plane (111).
The inner cylinder rear end fixing structure according to claim 2, wherein a screw hole (112) is opened at one end of the shaft (11) passing through the bearing (3), and the second screw (9) passes through The flat pad (10) is threadedly connected to the screw hole (112), and the flat pad (10) is pressed against the inner ring end surface of the bearing (3).
A clothes dryer comprising a fixing plate (7), and an inner cylinder rear end fixing structure according to any one of claims 1-10.