CN1428478A

CN1428478A - Washing machine with cover or door locking device

Info

Publication number: CN1428478A
Application number: CN02106142A
Authority: CN
Inventors: 李弘烈; 李揆彩; 沈相龙
Original assignee: Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 2001-12-24
Filing date: 2002-04-04
Publication date: 2003-07-09
Anticipated expiration: 2022-04-04
Also published as: RU2208077C1; CN1236129C; KR100444954B1; KR20030054264A; JP2003190691A; JP3664689B2

Abstract

The washing machine with the door lock system, a door is kept locked by a latch lever, and the lock of the latch lever is selectively constrained through a constraint means. Therefore, a door can be opened only after constraint of the latch lever is released from the constraint by the constraint means. This has an advantage that is prevents the door from being opened forcibly, thereby preventing accidents. In particular, if the door lock system is used in a washing machine which can do laundry with hot water obtained by directly heating washing water in the tub with an electric heater, reliability of the product can be greatly improved.

Description

Washing machine with cover or door locking device

Technical field

The present invention relates to a kind of washing machine, especially relate to a kind of being equipped with and be used for the washing machine that Jiang Gaimen is fixed on the locking device of latched position, described locking device is hinged near load port in order to open and close load port.

Background technology

Generally speaking, the washing of finishing in washing machine, rinsing, draining and spin-drying operation are all programmed in the microcomputer of control module.Therefore, clothing is to clean automatically according to a series of washing procedures of finishing.

Traditional washing machine comprise be suspended on hold in the housing laundry water steel ladle, be installed in the steel ladle and have the rotary barrel that is formed on a plurality of osculums on its whole wall body, be installed in rotary barrel bottom positive and negative oppositely on the impeller of rotation, and the driver element that is used for together driving rotary barrel and impeller or only drives impeller.

Being positioned at loam cake on the housing is provided with load port and is used to open and close the lid door of load port in order to allow to put into and take out clothing and be hinged with loam cake by this load port.Lid door has a handle to be convenient to the user and to catch, and therefore, when the user caught handle will cover door to raise up with hand, load port was opened and puts into and take out clothing with permission by it.

Yet, because the lid door of conventional washer is easy to inadvertently be opened, therefore have such danger, during promptly washing and drying, children by the load port opened arbitrarily near the inside of washing machine.Especially, be applicable to by the laundry water in the electric heater heating steel ladle to carry out the washing machine of steaming operation owing to can buy on the market recently, therefore in steaming operating period, when the user opened the lid door because of carelessness, vapours was easy to scald the user.

For overcoming the problems referred to above, conventional washer is provided with locking device, and this locking device is used for will covering the latched position that door is fixed to loam cake after Gai Men closes.Locking device comprises shank and flexible member, and this shank is pivotally mounted to handle area so that swing at a predetermined angle and have hooked projection in the face of loam cake, and flexible member is used for shank is returned to the normal position.

Correspondingly, when Dang Gaimen closed, the hooked projection of shank cooperated with the inner surface of loam cake, was fixed on the closed position thereby will cover door.For opening the lid door, must throw off the cooperation of hooked projection by the pulling shank.

Yet, owing to inadvertently being spurred shank easily, opens at the lid door that this locking device is housed, therefore avoid the limited in one's ability of accident.

Summary of the invention

Correspondingly, the present invention has considered problems of the prior art, one object of the present invention just provides a kind of washing machine that cover or door locking device is housed, this locking device is intended to have only when the shank that cooperates with loam cake and just allows to open the lid door during by selectable hand control, has effectively avoided accident thus.

For achieving the above object, the invention provides a kind of washing machine, it comprises: be installed on the housing and be formed with the loam cake of load port; One end is hinged and covers in order to open and close the lid door of load port last; And be used for the cover or door locking device that Jiang Gaimen is fixed on latched position, this cover or door locking device comprises: be arranged on the other end of lid door and be provided with the shank of hooked projection at its free end, when Dang Gaimen closed, this shank can cooperate with loam cake, and when the lid door was opened, it can be thrown off with loam cake; And be used for stoping selectively shank to throw off the device of motion.

Shank comprises and is arranged on the slipper that slides in order to front and back below the lid door other end, the mating part that extends downwards and have hooked projection at its free end from slipper, and extend downwards from the outer end of slipper and the grip portions of biased device bias voltage.

The lid door is provided with guide rail, slides on this guide rail in the both sides of slipper.

Biasing device comprises helical spring, and the grip portions of shank and Gai Men are provided with the restriction projection, and each in them is all inserted helical spring each end and broken away to prevent biasing device.

Holdout device comprises the other end that is formed with lid door and in the face of the housing of grip portions, and can give prominence to and insert housing to stop shank towards the motion of disengaged position and unclamp the actuation button of the retardation motion of shank.

Shank comprises and is arranged on the slipper that slides with front and back below the lid door other end, the mating part that extends downwards and have hooked projection at its free end from slipper, and extend downwards from the outer end of slipper and the grip portions of biased device bias voltage.

Actuation button is inserted housing on the direction perpendicular to shank.

When inserting housing, actuation button and grip portions break away from the motion of permission shank, and when giving prominence in housing, it contacts with grip portions to stop the motion of shank.Holdout device comprises that also being used for the bias voltage actuation button makes its outstanding compression spring, be used for actuation button be fixed on insert and extrusion position on banking pin, and be formed on and be used to allow the free end of banking pin on the actuation button along its direction recess that moves.

Housing is formed with vertically extending direction recess, and actuation button is formed with mobile bar, and it is engaged in the groove slidably, and the direction recess of described holdout device is formed on the mobile bar.

The direction recess of actuation button comprises: outstanding fixed groove, and wherein when actuation button was outstanding in housing, the free end of banking pin was positioned at this groove; Insert fixed groove, wherein when actuation button was inserted housing, the free end of banking pin was positioned at this groove; Insert direction recess, it is connected outstanding fixed groove and inserts between the fixed groove, the free end that is used for guiding banking pin during the insertion stroke of actuation button, it is outstanding towards inserting fixed groove from outstanding fixed groove to insert direction recess, and stop in the step portion of inserting the fixed groove front, it is more outstanding than inserting fixed groove in step portion to insert direction recess; And outstanding direction recess, it is connected and inserts between fixed groove and the outstanding fixed groove, is used for the free end of guiding banking pin during the outstanding stroke of actuation button.

One end of compression spring cooperates with the bias voltage banking pin with an end of banking pin, thereby prevents the disengaging of banking pin.

Description of drawings

Above-mentioned and other purpose of the present invention, feature and advantage will become clearer in the detailed description with the accompanying drawing below, wherein:

Fig. 1 is the integrally-built cutaway view of washing machine of the present invention;

Fig. 2 is the cutaway view of cover or door locking device of the present invention, and wherein showing shank is unclamped from blocked state;

Fig. 3 and Fig. 4 are the disassembled perspective view of cover or door locking device of the present invention and front end;

Fig. 5 is the look rearview of holdout device of arrow " V " direction from Fig. 4;

Fig. 6 to Fig. 9 is the view of the operation of the actuation button that the actuating by holdout device and banking pin realizes according to the present invention;

Figure 10 is the cutaway view of shank of the present invention, and wherein the motion of unclamping of shank is prevented from the device prevention;

Figure 11 is for from stoping the cutaway view of the shank that the position unclamps;

Figure 12 is the cutaway view of lid door, and its middle cover door is opened by shank is thrown off from blocked state.

The specific embodiment

The present invention is described in detail by embodiment below in conjunction with accompanying drawing.

With reference to figure 1, wherein be depicted as washing machine of the present invention.As shown in the figure, washing machine comprises the shell 1 that defines the washing machine profile, is suspended on the steel ladle 2 that is used to hold water in the shell 1, is installed in the rotary barrel 3 in the steel ladle 2, it is equipped with impeller 4 and is used for producing the laundry turbulent flow, and is used to drive the driver element of rotary barrel 3 and impeller 4.

Shell 1 is made has open-topped hexahedron box-shaped, and its top is connected with the loam cake 6 with load port 6a.Loam cake 6 is provided with the control panel 7 with display and a plurality of control knobs, and is used to control the feed water valve of the importing of the water of supplying with from the outside.In addition, loam cake 6 also is provided with lid door 10 and is used to open and close load port 6a, and the rear portion and the loam cake of lid door 10 are hinged.That is to say, be provided with hinge joint 11 (see figure 3)s owing to cover the rear portion of door 10, therefore the lid door can be operated so that open and close load port 6a by pivot.

The front end of lid door 10 also is provided with cover or door locking device 20 and is used for cover or door locking in the closed position.Cover or door locking device 20 is intended to allow open lid door 10 by the careful operation of having a mind to, thereby prevents owing to open lid door 10 accidents that cause carelessly.To describe the structure of cover or door locking device below in detail.

Extremely shown in Figure 4 as Fig. 2, loam cake 6 is provided with guiding depression 6b and patchhole 6c with the corresponding position of lid door 10 front ends, guiding depression 6b is used for allowing the user when lid door 10 is closed hand near and operate cover or door locking device 20, patchhole 6c is used to allow in hooked projection 31a (as described below) the insertion loam cake 6 of shank 30.

Cover or door locking device 20 comprises above-mentioned shank 30, shank 30 is arranged on the following of lid door 10 front ends and has above-mentioned hooked projection 31a, and it can insert in the loam cake 6 when lid door 10 is closed, be used for towards latched position bias voltage shank 30 so that keep the device 40 that hooked projection 31a cooperates with loam cake 6, and be used to the device 50 that stops shank 30 to move towards disengaged position.

Shank 30 comprises and is arranged on the following of lid door 10 front ends so that the slipper 32 that slides in front and back, extend downwards and have the mating part 31 of hooked projection 31a from slipper 32, and extend downwards and the grip portions 33 of biased device 40 bias voltages from the front end of slipper 32 at its free end.Shank 30 utilizes plastic monoblock to make by Shooting Technique.The lower surface of lid door 10 front ends is provided with guide rail 34, and the both sides 32L and the 32R of slipper 32 slide on this guide rail.Correspondingly, when the hand of the user in the grip portions 33 of shank 30 is pushed forward and is inserted into guiding depression 6b upwards rose, to front slide, hooked projection 31a broke away from patchhole 6c to shank 30 thus on guide rail 34.

Biasing device 40 comprises that one is opposite to the helical spring between lid door 10 front ends and shank 30 grip portions 33.One end of each biasing device 40 cooperates with the front end of lid door 10 and the other end cooperates with grip portions 33.In order to prevent the disengaging of biasing device 40, the front end of the grip portions of shank 30 and Gai Men 10 all is provided with

restriction projection

41 and 42, and they insert each end of biasing device 40 respectively.Utilization is arranged on the biasing device 40 between shank 30 and Gai Men 10 front ends, shank 30, and promptly the hooked projection 31a of shank 30, is promptly cooperated with loam cake 6 when lid 10 is closed so that be maintained at such state by bias voltage backward.

The prevention that holdout device 50 unclamps shank when being intended to repeat to stop the motion of shank 30 and each user to apply certain power on shank 30.Holdout device 50 comprises the housing 51 that is integrally formed in lid 10 front end and faces grip portions 33, actuation button 52, and it can give prominence to and insert preceding end in contact and the disengagement that housing 51 makes actuation button 52 and shank 30 grip portions 33 thus from housing 51.

Housing 51 is arranged on the front end of lid door 10 and makes the box-shaped with bottom opening.Be formed with vertically extending direction recess 51a on the inwall of housing 51.Actuation button 52 is provided with mobile bar 52a, and this moves bar and is engaged in the direction recess 51a to slide along direction recess 51a.Correspondingly, actuation button 52 is slided so that come out in the housing 51 on the direction that moves perpendicular to shank 30 and enter housing 51, thus the preceding end in contact and the disengagement of actuation button 52 and shank 30 grip portions 33.

In other words, in actuation button 52 is inserted housings 51 and banking pin 53 be positioned in the middle of them, actuation button 52 is thrown off with the front end of shank 30 grip portions 33, unclamps the preventions that shank 30 outwards moves thus.On the contrary, when actuation button 52 was outstanding in housing 51, the preceding end in contact of actuation button 52 and shank 30 grip portions 33 stoped shank 30 outwards to move thus.Actuation button 52 elasticity are outstanding downwards.For this reason, compression spring 54 is as between housing 51 and the actuation button 52.Correspondingly, insert in the housing 51 when actuation button 52, compression spring 54 is compressed.When banking pin 53 is moved to when allowing the outstanding position of actuation button 52 downwards, compression spring 54 elastic recoverys are so that actuation button 52 is outstanding downwards.

As shown in Figure 5 and Figure 6, banking pin 53 comprises the wire pin with opposite end, this opposite end wiry on identical direction bending so that have " U " shape.The opposite end 53a of

banking pin

53 and 53b pass the first hole 51b and the second hole 51c that is formed on the housing 51, and always cooperate with the mobile bar 52a of actuation button 52.For this reason, the mobile bar 52a of actuation button 52 is formed with sliding recess 60 and direction recess 70 is used to guide the opposite end 53a and the 53b of banking pin 53.The detailed structure of these parts is described below.

Sliding recess 60 vertically is formed on the bottom of the mobile bar 52a of actuation button 52, and the first hole 51b is forming on the housing 51 with on the sliding recess 60 corresponding positions.Therefore, the stationary end 53a of banking pin 53 inserts in the sliding recess 60 by the first hole 51b, and no matter whether actuation button 52 moves it is always maintained at the fixed position.

Direction recess 70 is formed on the top of mobile bar 52a of actuation button 52 to have heart.The second hole 51c is formed on housing 51 really on the allocation, itself and direction recess 70 corresponding and horizontal expansions.Therefore, the free end 53b of banking pin 53 inserts in the direction recess 70 and along direction recess 70 by the second elongated hole 51c and moves.Because the upper end of the stationary end 53a of banking pin 50 insertion compression spring 54 and quilt be bias voltage forward, thereby do not break away from housing 51, the free end 53a of banking pin 53 always is positioned in the sliding recess 60 by the first hole 51b, and the stationary end 53b of banking pin 53 always is positioned in the direction recess 70 by the second elongated hole 51c.The free end 53b of banking pin 53 preferably makes circle so that can move freely in direction recess 70.

Heart-shaped direction recess 70 comprises outstanding fixed groove 71 and inserts fixed groove 72, the free end 53b of banking pin 53 is positioned at outstanding fixed groove 71 when actuation button 52 is outstanding downwards, and the free end 53b of banking pin 53 is positioned at insertion fixed groove 72 when actuation button 52 is inserted in the housing 51.

Direction recess 70 also comprises insertion direction recess 73 and outstanding direction recess 74, insert direction recess 73 is used for guiding banking pin 53 free end 53b during the insertion stroke of actuation button 52 motion, this insertion direction recess 73 is connected outstanding fixed groove 71 and inserts between the fixed groove 72 and from outstanding fixed groove 71 and protrudes backward gradually towards inserting fixed groove 72, outstanding direction recess 74 is used for the motion of guiding free end 53b during the outstanding stroke of actuation button 52, and it is connected between insertion fixed groove 72 and the outstanding fixed groove 71.

Direction recess 70 is provided with three scalariform lines " S1 is to S3 ", scalariform line " S1 " is being positioned at insertion direction recess 73 and is inserting between the fixed groove 72, scalariform line " S2 " is inserting between fixed groove 72 and the outstanding direction recess 74, and scalariform line " S3 " is between outstanding direction recess 74 and outstanding fixed groove 71.In other words, it is more outstanding than inserting fixed groove 72 at scalariform line " S1 " to insert direction recess 73, it is more outstanding than outstanding direction recess 74 at scalariform line " S2 " to insert fixed groove 72, and it is more outstanding than outstanding fixed groove 71 at scalariform line " S3 " to give prominence to direction recess 74.The shape of inserting direction recess 73 is symmetrical substantially with respect to outstanding direction recess 74, so direction recess 70 is made heart on the whole.

Because each groove of direction recess 70 is compressed spring 54 bias voltage forward in termination of scalariform line and banking pin 53, when therefore promoting actuation button 52 at every turn, the free end 53b of banking pin 53 (direction shown in the solid arrow among Fig. 6) circulation on continuous direction always.That is to say that the free end 53b of banking pin 53 moves and begins warp from insertion fixed groove 72 along direction recess 70 and gives prominence to direction recess 74 and outstanding fixed groove 71 arrival insertion direction recess 73.

The operation and the function of cover or door locking device of the present invention will be described below.

In the time of in the actuation button of holdout device 50 is inserted housing 51, the front end of actuation button 52 and shank 30 grip portions 33 separates certain distance and compresses spring 54 simultaneously and be compressed, and the free end 53b of banking pin 53 is positioned at the insertion fixed groove 72 of direction recess 70.

When lid door 10 when this state is closed, the hooked projection 31a of shank 30 cooperates with the inner surface of loam cake 6, maintains the closed position thereby will cover 10, as shown in Figure 2.

In case the user promotes actuation button 52, the free end 53b of banking pin 53 compresses spring 54 simultaneously from the 72 interior disengagings of insertion fixed groove and is pushed force compresses, as shown in Figure 7.Then, the free end 53b of banking pin 53 is highlighted direction recess 74 guidings, and is from then on outstanding thereby actuation button 52 begins by the elastic-restoring force that compresses spring 54.When actuation button 52 was outstanding fully, the free end 53b of banking pin 53 was positioned at outstanding fixed groove 71, as shown in Figure 8.

In this, actuation button 53 closely contacts with the front end of shank 30 grip portions 33, stops shank 30 to move forward thus, as shown in figure 10.Therefore, unless the user deliberately unclamps the prevention of shank, lid door 10 can't be opened, and the accident that can avoid thus covering door 10 is opened.

When the user will open lid door 10, must unclamp the prevention of shank 30 by holdout device 50.At this moment, the actuation button 52 of holdout device 50 is promoted again so that be returned to the insertion position.That is to say that when upwards promoting actuation button 52 again, the free end 53b of banking pin 53 breaks away from insertion fixed groove 71 and enters in the insertion direction recess 73, as shown in Figure 9.Next, when the insertion of actuation button 52 was finished, actuation button 52 is positioned at inserted fixed groove, as shown in Figure 6.Correspondingly, owing between the front end of shank 30 grip portions 33 and actuation button 52, have certain distance, so the prevention of shank 30 is released, as shown in Figure 2.

In this state, as (among Figure 11 thick arrow " A " shown in direction) forward when slightly promoting the grip portions 33 of shank 30, to front slide, so the hooked projection 31a of shank 30 breaks away from patchhole 6c to shank 30 on guide rail 34.Next, when rising lid door 10 (direction shown in the thick arrow " B " in Figure 12), hooked projection 31a breaks away from patchhole 6c fully, allows to open lid door 10 thus.Utilize said structure, unless unclamp the prevention of shank, lid door 10 can inadvertently not opened.

As mentioned above, the invention provides a kind of washing machine that cover or door locking device is housed, this cover or door locking device can will cover door by shank and be fixed on latched position, stops moving of shank selectively by holdout device then.Correspondingly, owing to have only when the prevention of shank by holdout device is released, Gai Mencai can be opened, and is inadvertently opened the accident that the lid door avoiding opening causes thereby therefore can prevent to cover door.Especially, if when cover or door locking device is applied to steam washer, wherein this washing machine directly heats laundry water in the steel ladle by electric heater, and reliability of products can be strengthened significantly.

Although described the preferred embodiments of the present invention above for the purpose of illustration, those of ordinary skill in the art can make many modification under the situation of the scope of the invention that does not break away from the claim qualification and aim, adds and replacement.

Claims

1, a kind of washing machine, it comprises:

Be installed on the shell and be formed with the loam cake of load port; And

The one end is hinged and covers so that open and close the lid door of described load port last;

Be used for Jiang Gaimen and be fixed on cover or door locking device on the closed position, this cover or door locking device comprises:

Be arranged on the other end of lid door and be provided with the shank of hooked projection at its free end, this shank can cooperate with loam cake when Dang Gaimen closed, and it can be thrown off with loam cake when lid is opened;

Be used for the bias voltage shank so that hooked projection remains on the device on the latched position; And

Be used for stoping selectively shank to unclamp the device of motion.

2, washing machine as claimed in claim 1, wherein said shank comprises and being arranged on below the lid door other end so that the slipper that slides in front and back, the mating part that extends downwards and have hooked projection at its free end from slipper, and extend downwards from the outer end of slipper and the grip portions of biased device bias voltage.

3, washing machine as claimed in claim 2, wherein said lid door is provided with guide rail, and slide on this guide rail in the both sides of slipper.

4, washing machine as claimed in claim 2, wherein said biasing device comprises helical spring, and

The grip portions of shank and Gai Men are provided with the restriction projection, and each restriction projection is inserted helical spring each end respectively and broken away to prevent biasing device.

5, washing machine as claimed in claim 1, wherein said holdout device comprises the housing that is formed with the lid door other end, it is in the face of grip portions, and actuation button, this actuation button can give prominence to and insert in the described housing in described housing, so that stop shank towards the motion of released position and the retardation motion of unclamping shank.

6, washing machine as claimed in claim 5, wherein said shank comprises and is arranged on the slipper that slides with front and back below the lid door other end, from the downward mating part that extends and have hooked projection at its free end of slipper, and from the outer end extension downwards of slipper and the grip portions of biased device bias voltage, described actuation button is inserted described housing on the direction of vertical and shank.

7, washing machine as claimed in claim 6, wherein when described actuation button was inserted housing, the grip portions of this actuation button and shank broke away from so that allow the shank motion, and when it is outstanding in housing, this actuation button contacts with the grip portions of shank to stop the motion of shank, reaches

Described holdout device also comprises and is used for the bias voltage actuation button so that its outstanding compression spring is used for actuation button is fixed on the banking pin of insertion position and extrusion position, and is formed on and is used to allow the free end of banking pin along its direction recess that moves on the actuation button.

8, washing machine as claimed in claim 7, wherein said housing is formed with vertically extending groove, described actuation button is provided with mobile bar, and this moves bar and is engaged in slidably in this direction recess, and the direction recess that reaches described holdout device is formed on this and moves on the bar.

9, as claim 7 or 8 described washing machines, the direction recess of wherein said actuation button comprises:

Outstanding fixed groove, when actuation button was outstanding in described housing, the free end of banking pin was positioned in this outstanding fixed groove;

Insert fixed groove, in the time of in actuation button is inserted described housing, the free end of banking pin is positioned in this insertion fixed groove;

Insert direction recess, it is connected the free end that is used for guiding banking pin during the insertion stroke of actuation button between described outstanding fixed groove and the described insertion fixed groove, this insertion direction recess stretches out towards described insertion fixed groove from described outstanding fixed groove, and stop in the step portion of inserting the fixed groove front, it is more outstanding than described insertion fixed groove in described step portion that this inserts direction recess; And

Outstanding direction recess, it is connected between described insertion fixed groove and the outstanding fixed groove, and is used for the free end of guiding banking pin during the outstanding stroke of actuation button.

10, washing machine as claimed in claim 7, thus an end of wherein said compression spring cooperates so that the bias voltage banking pin prevents the disengaging of banking pin with the mobile of banking pin.