CN101029447A

CN101029447A - Clothes dryer

Info

Publication number: CN101029447A
Application number: CNA2007100843106A
Authority: CN
Inventors: 李商益; 吴定根; 裴祥训; 宋成镐; 郑载学; 严允燮
Original assignee: LG Electronics Inc
Current assignee: LG Electronics Inc
Priority date: 2006-02-27
Filing date: 2007-02-27
Publication date: 2007-09-05
Anticipated expiration: 2027-02-27
Also published as: KR100664291B1; CN101029447B

Abstract

A clothes dryer comprises one or more guide units. The guide unit guides rotation of a doffer to reduce friction contact and noise during rotating the doffer, thereby providing an agreeable entironment for a user. In addition, life time of components of the clothes dryer can be increased. Futher, mounting operation of bearings can be simplified, production efficiency can be improved and life time of the bearings can be prolonged by connecting the bearings and using the bearings as a bearing assembly of the guide units.

Description

Dryer

Technical field

The present invention relates to a kind of dryer, and relate more specifically to a kind of tumbler dryer, this tumbler dryer can reduce the friction and the noise that are produced when cylinder rotates in dryer.

Background technology

Usually, dryer be by will being blown into the swing roller that is installed in the dryer by the air that heater heated, thus dry article to be dried (below be referred to as " target item ").The humid air that is produced when how to handle dry target item, the dryer of prior art can be divided into exhaust (ventilated type) dryer and condensing dryer.

Air exhaust dryer is expelled to the outside with humid air, i.e. ventilation is to outside, and the condensing dryer is by utilizing the condenser airborne aqueous vapor of condensing, the humid air that condenses and from cylinder, discharge, and the air that will dehumidify delivers to cylinder, thus make air re-circulation.

The condensing dryer generally includes cylinder, is filled with clothing to be dried (being target item) in cylinder; Filter the filter of external debris; By the heat exchange heat exchanger of the aqueous vapor in the clothing that freeze-outs; By producing air-flow to promote dry fan; Add hot-air to quicken dry heater; And the pipeline that connects above-mentioned parts.

Figure 1A is the right side internal view of existing condensing dryer, Figure 1B is the top internal view of the dryer of Fig. 1, and Fig. 2 A optionally shows the cylinder in the dryer of Figure 1A, belt and motor, and Fig. 2 B optionally shows cylinder, front panel and rubber packing in the dryer of Figure 1A.Flowing of arrow among Figure 1A and the 1B ' I ' expression extraneous air, arrow ' II ' is represented flowing of circulating air.

With reference to Figure 1A and 1B, in the condensing dryer of prior art, the cylinder 11 that holds target item is rotatably installed in the main body 10, and main body 10 has the door 12 that is installed in its front side.Cylinder 11 is connected with the motor 17 of the bottom that is installed in main body 10 by driving belt 19, so that therefore make cylinder 11 rotations.

There is condenser 13 to be installed in the bottom of main body 10, and condenser 13 the condense high temperature that cycles through cylinder 11 and the airborne moisture of high-moisture, with the dry cycle air.The front side of condenser 13 is connected with 14b with circulating line 14a respectively with rear side, and circulating line 14a is connected with rear side with the front side of cylinder 11 respectively with 14b.By circulating line 14, introduced once more in the cylinder 11 through after the condenser 13 by the air that cylinder 11 is discharged.

Having heaters 15 and circulating fan 16 are installed in respectively on circulating line 14a and the 14b, and wherein heater 15 heating make to the circulating fan Final 16 power air through circulating line 14a and 14b circulation through the air of condenser 13.Circulating fan 16 is connected with the other end of the axle of the motor 17 of head roll 11.

In order to come condensing flow to cross the air of circulating line 14a, cool exterior air is provided to condenser 13 by heat exchange at condenser 13 places.For this reason, there is the outside air supply line 18 that is communicated with the outside to be connected with a side of condenser 13, and there are cooling fan 20 and cooling fan CD-ROM drive motor 21 to be installed in the opposite side that is connected with outside air supply line 18 of condenser 13, wherein cooling fan 20 sucks outside air by outside air supply line 18 powerfully, and outside air is discharged in the main body 10.Reference numeral 22 expression filters, this filter filter out the external debris such as useless filament sheet from the front side by cylinder 11 enters the air of circulating line 14a.

There is the water receiver (not shown) to be installed in the bottom of condenser 13, is used to be collected in the condensate water that after condensate water produces, falls during the condensation process, pump 23 is installed simultaneously, deliver to condensate water water storage tank 2 with the condensate water that will be collected in the water receiver.

To describe now by operation and have the process that the dryer of the prior art of said structure comes drying clothes.

With reference to figure 2A, the belt 19 that is connected with the driving shaft of motor 17 is wound onto on the external peripheral surface of cylinder 11, so that revolving force is sent to cylinder 11 from motor 17.A plurality of blades or lifting member 11 ' be installed in the inner surface place of cylinder are arranged, and these blades or lifting member 11 ' motion, in cylinder inside target item promoted during rotating forward or backward at cylinder 11 and to roll.

When swing roller 11, the forward position of cylinder 11 may touch the front panel 30 of main body 10, thereby causes friction and noise.Therefore, in order to prevent the CONTACT WITH FRICTION between cylinder 11 and the front panel 30, three rubber packings 40 are installed, shown in Fig. 2 B between cylinder 11 and front panel 30.Rubber packing 40 is used for keeping the spacing between cylinder 11 and the front panel 30 when loading the inside of cylinder 11.

Yet, utilize rubber packing 40 to have following problem, promptly when swing roller 11, rubber packing 40 may be damaged owing to the CONTACT WITH FRICTION between cylinder 11 and the rubber packing 40.Therefore, the continuous service dryer will reduce the useful life of rubber packing 40.

In addition, when cylinder 11 rotations, the rubber packing 40 that is installed between cylinder 11 and the front panel 30 will cause noise and vibration, and the user is felt under the weather.

Summary of the invention

Therefore, the problems referred to above for the dryer that solves prior art have dreamed up various features hereinafter described.An aspect of following exemplary embodiment provides a kind of dryer, and this dryer will produce friction and noise in a small amount when swing roller.

This specification discloses a kind of dryer, and this dryer has part and inserts cylinder in the front panel, and this dryer can comprise guidance unit, and this guidance unit guide roller is rotated between plate and the cylinder in front.

Guidance unit can be at least one bearing that contacts with the cylinder line.

In order to reduce the CONTACT WITH FRICTION between cylinder and the front panel, and consider the rotation of cylinder, do not limit the quantity or the size of bearing, and three or eight bearings can be installed.

Bearing can be considered weight, useful life and noise by making such as the various materials of metal, timber, pottery, polymer etc., and preferably bearing is made of plastics.Bearing can be installed on front panel or the cylinder.

When a plurality of bearings were installed as guidance unit, bearing can separate, but for the ease of bearing is installed, can be by some elements being coupled together forming single component, and with two or more bearing group at least altogether.Connection Element has the curvature identical with cylinder.

When implementing by following detailed description the in detail of the present invention, will to make above-mentioned and other purpose of the present invention when of the present invention together with accompanying drawing, feature, aspect and advantage become more obvious.

Description of drawings

Accompanying drawing comprised in order to providing further understanding of the present invention, and accompanying drawing is introduced into specification and forms the part of specification, and accompanying drawing shows embodiments of the invention, and is used to illustrate principle of the present invention together with the description.

In the accompanying drawings:

Figure 1A is the side internal view of the dryer of prior art;

Figure 1B is the top internal view of the dryer of Figure 1A;

Fig. 2 A is the cylinder in the dryer of optionally representing Figure 1A, the view of belt and motor;

Fig. 2 B is the cylinder in the dryer of optionally representing Figure 1A, the view of front panel and rubber packing;

Fig. 3 represents the cylinder of dryer according to an embodiment of the invention, the view of front panel and guidance unit;

Fig. 4 is the perspective view of the guidance unit in the presentation graphs 3;

Fig. 5 is the view of the operation of the guidance unit in the presentation graphs 3;

The modification of the guidance unit in Fig. 6 presentation graphs 3; With

Fig. 7 is the view of the operation of the guidance unit in the presentation graphs 6.

The specific embodiment

Describe according to dryer of the present invention referring now to accompanying drawing.

Fig. 3 is the cylinder of expression according to dryer of the present invention, and the view of front panel and guidance unit, Fig. 4 are the perspective view of the guidance unit in the presentation graphs 3, and Fig. 5 is the view of the operation of the guidance unit in the presentation graphs 3.

With reference to figure 3, dryer comprises front panel 30; Part is inserted the cylinder 32 in the front panel 30; Be installed in a plurality of bearings 50 between front panel 30 and the cylinder 32 as guidance unit.Front panel 30 has covered the anterior of dryer and has supported the preceding outer circumferential surface of cylinder 32.Particularly, when during the drying process during swing roller 32, the front end of front panel 30 guiding swing rollers 32.

A plurality of bearings 50 as guidance unit are installed between the contact portion of front panel and cylinder, promptly are installed in the upper area place of front panel, CONTACT WITH FRICTION and noise during with reduction swing roller 32 between front panel 30 and the cylinder.

Bearing 50 not only is used to make cylinder 32 to rotate smoothly, and reduces the CONTACT WITH FRICTION between the cylinder 32 and front panel 30 during the swing roller 32.

Particularly, when swing roller 32, bearing 50 contacts with the last fore-end line of cylinder 32 basically, thereby makes contact area reduce to minimum.Therefore, the surface contact in the situation of the rubber packing 40 (Fig. 2 B) of prior art can reduce CONTACT WITH FRICTION and noise significantly.Therefore, swing roller 32 smoothly, thereby carry out drying process effectively, and can improve the useful life of the parts of dryer.

With reference to figure 4, used bearing 50 be not subjected to concrete restriction aspect pattern or the size in realizing the present invention, and as long as bearing can rotate and have necessary strength smoothly, can use the bearing of any adequate types, for example, be bearing in the roller of axle on 52 that runs through its inside.Preferably, under the situation of using roller, the axle 52 of each bearing roller is fixed on the side of front panel 30 or cylinder 32, in exemplary embodiment of the present invention, axle 52 is installed in the upper end of front panel 30, promptly is installed in front panel 30 and cylinder 32 contacted zones.

With reference to figure 5, be depicted as a kind of layout of the bearing 50 of the upper end that is installed in front panel 30, when by the driver element (not shown) along forwards to the rotation of (direction of solid arrow) or backward directions (direction of dotted arrow) during by bearing 50 and with the contacted cylinder 32 of front panel 30, bearing 50 also rotates together with following state, promptly by of the rotation of axle 52 block bearings 50 with guide roller 32, and in this case, rotation along with bearing 50 self can reduce the CONTACT WITH FRICTION that may produce in addition between cylinder 32 and the front panel 30.

In addition, the rotation of bearing 50 has reduced the operation noise that is produced when cylinder 32 contacts with front panel 30 when rotating, and has prevented to occur in addition the caused damage of CONTACT WITH FRICTION between cylinder 32 and the front panel 30.

In Fig. 5, on top five bearings 50 are installed with cylinder 32 contacted front panels 30, but the not specifically restriction of the number of bearing.

The modification of the guidance unit in Fig. 6 presentation graphs 3, Fig. 7 is the view of the operation of the guidance unit in the presentation graphs 6.

Couple together by the shaft end place of a pair of linkage unit 62 with reference to 6, two bearings 50 of figure, form single bearing assembly 60 at them.Be that bearing 50 can be used as individual components and is arranged separately on cylinder 32 or the front panel 30, but for the simplification and the useful life of the installation that improves parts, can be with the synthetic single parts of two or more bearing group.

Bearing assembly 60 can be by utilizing the axle 52 that linkage unit 62 for example can connection bearing 50 similar thin plate framework and combined simply.In this case, preferably, each bearing 50 has the curvature identical with the circumferential curvature of cylinder 32, and linkage unit 62 has thickness or the width littler than the diameter of bearing 50, so that do not interfere the contact between bearing 50 and the cylinder 32 or the rotation of bearing 50.

Fig. 6 represents to make up the single component product of two bearings 50, but according to circumstances, and three or four bearings 50 can be combined into single bearing assembly 60.Because bearing assembly 60 can be by once mounting on cylinder 32 or front panel 30, so can be convenient to fitting operation, thus enhance productivity.In addition, than the situation that bearing 50 uses separately, when cylinder moved, bearing assembly 60 can disperse to put on the external force of bearing 50, thereby prolonged the service life of bearing 50.

With reference to figure 7, when along forwards to or backward directions swing roller 32 when carrying out drying process, each bearing 50 of bearing assembly 60 is rotation together also, thereby reduces CONTACT WITH FRICTION and noise between front panel 30 and the cylinder 32.

Described so far, dryer according to the present invention has many advantages.

That is, for example, the CONTACT WITH FRICTION and the noise that are produced in the time of can reducing swing roller, thereby for the user provides satisfied environment, and can prolong the useful life of the parts of dryer.

In addition, carrying out the bearing assembly that forms by two or three bearings of modularization so that under as guidance unit rather than independent bearings mounted situation, can be convenient to the fitting operation of bearing, thereby enhance productivity with respect to cylinder or front panel.

In addition, than the situation that bearing uses separately, when cylinder moved, bearing assembly can disperse to put on the external force of bearing 50, thereby prolonged the service life of bearing.

Because the present invention can embody with some forms under the situation that does not break away from spirit of the present invention or essential characteristic, so should be understood that, except that other particular case, the foregoing description is not limited by any details of above-mentioned explanation, but in the spirit and scope that should broadly be interpreted as limiting in claims, and so intention drops on the border of claim and the equivalent of all changes within the scope and improvement or this border and scope is all comprised by claims.

Claims

1. one kind has the dryer that part is inserted the cylinder in the front panel, and this dryer comprises:

Guidance unit, this guidance unit guide described cylinder to rotate between described front panel and described cylinder.

2. dryer as claimed in claim 1, wherein, described guidance unit comprises the bearing that at least one contacts with described cylinder line.

3. dryer as claimed in claim 2, wherein, described bearing is made of plastics.

4. as claim 2 or 3 described dryers, wherein, described bearing comprises by the rotatably mounted roller of axle, and described axle is fixed on in described cylinder or the described front panel one.

5. dryer as claimed in claim 1, wherein, by utilizing linkage unit, with a plurality of bearing group altogether, described guidance unit forms single component.

6. dryer as claimed in claim 5, wherein said bearing assembly are installed on described cylinder or the described front panel.

7. as claim 5 or 6 described dryers, wherein, described linkage unit has the circumferential curvature that is consistent with the excircle of described cylinder.

8. as claim 5 or 6 described dryers, wherein, described linkage unit has less than the thickness of the external diameter of described bearing or width.