CN110468565B - Rear end fixing structure of inner cylinder and clothes dryer - Google Patents

Abstract

The invention belongs to the technical field of clothes dryers, and discloses a rear end fixing structure of an inner cylinder, comprising: a flange shaft plate, one end of which is mounted on the rear flange of the inner cylinder; a bearing chamber located outside the rear flange of the inner cylinder , and the bearing chamber is fixed on a fixed plate; the bearing is installed in the bearing chamber, and the other end of the flange shaft plate is inserted in the bearing and can rotate with the inner ring of the bearing. The invention also discloses a clothes dryer with the above-mentioned fixing structure at the rear end of the inner cylinder. By arranging the bearing on the outer side of the rear flange of the inner cylinder, it can be effectively isolated from the hot air in the inner cylinder, which can effectively prevent the bearing from working in a humid and high-temperature environment for a long time. Moreover, the rear end fixing structure of the inner cylinder is installed from the front to the rear, which is convenient for installation and maintenance.

Description

Rear end fixing structure of inner cylinder and clothes dryer

technical field

The invention relates to the technical field of clothes dryers, in particular to a rear end fixing structure of an inner cylinder and a clothes dryer.

Background technique

At present, there are different ways of fixing the rear end of the inner cylinder of the dryer on the market. Some of them install the bearing in the inner cylinder through the shaft, which causes the bearing to work in a humid and high temperature environment for a long time, which is prone to failure and damage, causing the dryer to fail to function properly. Use; there is also a bearing installed outside the inner cylinder through the shaft, but it is inconvenient to install; and when the bearing is installed outside the inner cylinder, the cover will be installed on the shaft through screws in the inner cylinder, but the leakage of the screws is easy to scratch Clothes, and at the same time, the protective cover is easily loosened by the clothing.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a rear end fixing structure of the inner cylinder and a clothes dryer, so as to solve the problems that the bearing of the existing clothes dryer is easily damaged when installed in the inner cylinder and the bearing is inconveniently installed outside the inner cylinder.

For this purpose, the present invention adopts the following technical solutions:

A rear end fixing structure of an inner cylinder, comprising:

Flange shaft plate, one end is installed on the rear flange of the inner cylinder;

The bearing chamber is located outside the rear flange of the inner cylinder, and the bearing chamber is fixed on a fixed plate;

The bearing is installed in the bearing chamber, and the other end of the flange shaft plate is passed through the bearing and can rotate with the inner ring of the bearing.

Preferably, the flanged shaft plate includes a shaft and a flange fixed on one end of the shaft, one end of the shaft passes through the bearing and rotates with the inner ring of the bearing, and the flange is fixed Installed on the rear flange of the inner cylinder.

Preferably, the flange is sleeved on the end of the shaft which is not penetrated in the bearing, and the end of the shaft which is not penetrated in the bearing is provided through the rear flange of the inner cylinder.

Preferably, a reinforcement plate is also included, the reinforcement plate is located inside the rear flange of the inner cylinder, and the reinforcement plate, the rear flange of the inner cylinder and the flange are fixedly connected by bolts.

Preferably, a protective cover is also included, the protective cover is fixedly connected to one end of the shaft that does not pass through the bearing, and is covered outside the reinforcing plate and the bolt.

Preferably, the protective cover and the shaft are fixedly connected by a first screw.

Preferably, a groove recessed toward the shaft is provided in the middle of the protective cover, and the head of the first screw is located in the groove.

Preferably, the protective cover is provided with a limit clip, the reinforcing plate is provided with a limit slot, and the limit clip is fastened in the limit slot.

Preferably, one end of the shaft that is not penetrated in the bearing is provided with a plane symmetrically on both sides, and the reinforcing plate is provided with an elongated hole matched with the plane.

The present invention also provides a clothes dryer, comprising the above-mentioned rear end fixing structure of the inner cylinder.

Beneficial effects of the present invention:

By arranging the bearing on the outer side of the rear flange of the inner cylinder, it can be effectively isolated from the hot air in the inner cylinder, which can effectively prevent the bearing from working in a humid and high-temperature environment for a long time. Moreover, the fixing structure at the rear end of the inner cylinder is installed from the front to the rear, which is convenient for installation and maintenance.

Description of drawings

Fig. 1 is the assembly schematic diagram of inner cylinder rear end fixing structure and inner cylinder rear flange of the present invention;

Fig. 2 is the sectional view of the inner cylinder rear end fixing structure of the present invention;

Fig. 3 is the enlarged schematic diagram of the A place of Fig. 2 of the present invention;

Fig. 4 is the structural schematic diagram of the flange shaft disc of the inner cylinder rear end fixing structure of the present invention;

Fig. 5 is the structural representation of the shaft of the flange shaft disc of the present invention;

6 is a schematic structural diagram of a reinforcing plate of the fixing structure at the rear end of the inner cylinder of the present invention;

7 is a schematic structural diagram of the protective cover of the rear end fixing structure of the inner cylinder of the present invention.

In the picture:

1. Flange shaft plate; 2. Bearing chamber; 3. Bearing; 4. Reinforcing plate; 5. Protective cover; 6. Rear flange of inner cylinder; 7. Fixing plate; 8. First screw; 9. Second screw ; 10, flat pad; 11, shaft; 12, flange; 41, limit slot; 42, long hole; 51, groove; 52, limit buckle; 111, plane.

Detailed ways

The technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments.

The present invention provides a fixing structure at the rear end of the inner cylinder. As shown in Figures 1-3, the fixing structure at the rear end of the inner cylinder includes a flanged shaft plate 1, a bearing chamber 2, a bearing 3, a reinforcing plate 4 and a protective cover 5, wherein :

As shown in FIG. 4 , the above-mentioned flanged shaft 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 can be formed integrally or separately. In this embodiment, Among them, the above-mentioned flange 12 is fixedly sleeved on the shaft 11, specifically, a first elongated hole (not shown in the figure) is opened on the flange 12, and a plane 111 is symmetrically arranged on both sides of one end of the shaft 11 (Fig. 5). shown), through the cooperation between the plane 111 and the two side walls of the first elongated hole, the flange 12 can be press-fitted and fixed on the shaft 11, so that there is no relative rotation between the two, and the above structure is also reduced production cost.

In this embodiment, the above-mentioned flange 12 is fixedly installed on the rear flange 6 of the inner cylinder of the clothes dryer. Specifically, the flange 12 can be fixed to the rear flange 6 of the inner cylinder by means of bolt connection.

One end of the shaft 11 is inserted into the rear flange 6 of the inner cylinder, and the other end is inserted into the bearing 3 , and can rotate synchronously with the inner ring of the bearing 3 . In this embodiment, referring to FIG. 3 , one end of the shaft 11 penetrating the bearing 3 is provided with a screw hole, and the second screw 9 passes through the flat washer 10 and is threadedly connected to the screw hole. In this embodiment, the diameter of the flat washer 10 is larger than the inner diameter of the inner ring of the bearing 3. When the second screw 9 is threadedly connected to the screw hole, the flat washer 10 is pressed against the end surface of the inner ring of the bearing 3, so that The shaft 11 can rotate synchronously with the inner ring of the bearing 3 .

In this embodiment, the bearing 3 is installed in the bearing chamber 2. Specifically, the bearing chamber 2 is located outside the rear flange 6 of the inner cylinder, and the bearing chamber 2 is fixedly connected to the fixing plate 7 of the dryer. In this embodiment, preferably, the bearing chamber 2 and the fixing plate 7 are fixedly connected by a plurality of bolts.

In this embodiment, referring to FIG. 3 , the reinforcing plate 4 is located inside the rear flange 6 of the inner cylinder, and the reinforcing plate 4 , the rear flange 6 of the inner cylinder and the flange 12 are fixedly connected by bolts. By providing the reinforcing plate 4, the connection strength between the rear flange 6 of the inner cylinder and the flange 12 can be effectively improved. Moreover, in this embodiment, the above-mentioned bolts are installed from the front to the rear, that is, from the reinforcing plate 4 to the flange 12, which is convenient for disassembly during installation and maintenance.

As shown in FIG. 6 , in this embodiment, an elongated hole 42 is opened at the middle position of the reinforcing plate 4, and the shape and size of the elongated hole 42 matches the shape and size of the end of the shaft 11 where the flange 12 is sleeved. Specifically, The opposite side walls of the elongated hole 42 are in contact with the two flat surfaces 111 of the shaft 11 . Through the arrangement of the elongated hole 42 and the two flat surfaces 111 of the shaft 11 , on the one hand, the shaft 11 can be easily aligned during installation, and on the other hand, the shaft 11 and the reinforcing plate 4 can be relatively fixed without any relative turn.

Referring to FIG. 7 , the above-mentioned protective cover 5 is located on the inner side of the rear flange 6 of the inner cylinder, and the protective cover 5 is fixed to the end of the shaft 11 that is not penetrated in the bearing 3 . Connected to the end of the shaft 11 . By arranging the protective cover 5 , the reinforcing plate 4 and the bolts are covered inside, thereby avoiding the exposure of the bolts and the reinforcing plate 4 .

Preferably, a groove 51 of the concave shaft 11 is provided in the middle position of the protective cover 5, and the head of the first screw 8 is located in the groove 51, that is, the first screw 8 is installed in the protective cover 5 in an embedded manner. In the groove 51, the first screw 8 can be effectively prevented from scratching the clothes.

In this embodiment, a limit buckle 52 is provided on the protective cover 5 , and correspondingly, a limit buckle slot 41 (shown in FIG. 6 ) is provided on the reinforcing plate 4 , and the above limit buckle 52 is buckled at the limit inside the card slot 41 . Through the arrangement of the limit buckle 52 and the limit snap slot 41 , the clothes can be prevented from loosening and falling off the protective cover 5 when the inner cylinder rotates.

During the installation of the above-mentioned inner cylinder rear end fixing structure of this embodiment, first, the bearing chamber 2 is fixed on the fixing plate 7, and then one end of the shaft 11 is inserted into the bearing 3, and the second screw 9 and the flat washer are passed through. 10 makes the shaft 11 rotate synchronously with the inner ring of the bearing 3 . Then, the flange shaft plate 1 and the rear flange 6 of the inner cylinder are fixed, that is, the reinforcing plate 4, the rear flange 6 of the inner cylinder and the flange 12 of the flange shaft plate 1 are fixed by bolts, and then the protective cover 5 is installed. It is fixed on the shaft 11 by the first screw 8, and at the same time, it is buckled in the limit slot 41 of the reinforcing plate 4 by the limit buckle 52.

The present invention also provides a clothes dryer, including the above-mentioned fixing structure at the rear end of the inner cylinder, the bearing 3 can be arranged on the outer side of the rear flange 6 of the inner cylinder, can be effectively isolated from the hot air in the inner cylinder, and effectively prevent the bearing 3 from long-term Reduced life due to working in a humid and high temperature environment prevents bearing 3 from malfunctioning. Moreover, the fixing structure at the rear end of the inner cylinder is installed from the front to the rear, which is convenient for installation and maintenance.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the embodiments of the present invention. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (7)

1. An inner cylinder rear end fixing structure is characterized in that, comprising: One end of the flange shaft disc (1) is mounted on the rear flange (6) of the inner cylinder; The bearing chamber (2) is located outside the rear flange (6) of the inner cylinder, and the bearing chamber (2) is fixedly connected to a fixing plate (7); The bearing (3) is installed in the bearing chamber (2), and the other end of the flange shaft plate (1) is penetrated in the bearing (3) and can rotate with the inner ring of the bearing (3); The flanged shaft disc (1) comprises a shaft (11) and a flange (12) fixed on one end of the shaft (11), and one end of the shaft (11) is penetrated in the bearing (3) And with the rotation of the inner ring of the bearing (3), the flange (12) is fixedly installed on the rear flange (6) of the inner cylinder; Also includes a reinforcement plate (4), the reinforcement plate (4) is located inside the inner cylinder rear flange (6), the reinforcement plate (4), the inner cylinder rear flange (6) and the method The flange (12) is fixedly connected by bolts, and the end of the shaft (11) that is not penetrated in the bearing (3) is symmetrically provided with a plane (111) on both sides, and the reinforcing plate (4) is provided with a plane (111) on both sides. An elongated hole (42) matched with the plane (111) is opened, and the opposite two side walls of the elongated hole (42) are in contact with the two planes (111) of the shaft (11). . 2. The inner cylinder rear end fixing structure according to claim 1, characterized in that the flange (12) is sleeved on the end of the shaft (11) that is not penetrated in the bearing (3), And the end of the shaft (11) which is not penetrated in the bearing (3) is arranged through the rear flange (6) of the inner cylinder. 3 . The rear end fixing structure of the inner cylinder according to claim 1 , further comprising a protective cover ( 5 ), the protective cover ( 5 ) being fixed to the shaft ( 11 ) and not pierced on the One end of the bearing (3), and the cover is provided outside the reinforcing plate (4) and the bolt. 4 . The rear end fixing structure of the inner cylinder according to claim 3 , wherein the protective cover ( 5 ) and the shaft ( 11 ) are fixedly connected by a first screw ( 8 ). 5 . 5. The fixing structure for the rear end of the inner cylinder according to claim 4, wherein a groove (51) concave to the shaft (11) is provided in the middle of the protective cover (5), and the first The head of the screw (8) is located in the groove (51). 6 . The rear end fixing structure of the inner cylinder according to claim 3 , wherein the protective cover ( 5 ) is provided with a limit buckle ( 52 ), and the reinforcing plate ( 4 ) is provided with a limit snap slot. 7 . (41), the limit buckle (52) is fastened in the limit slot (41). 7. A clothes dryer, characterized in that it comprises the rear end fixing structure of the inner cylinder according to any one of claims 1-6.

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