KR100377622B1 - Structure for sealing of dish washer which is of drawer type - Google Patents

Abstract

The sealed structure of the drawer-type dishwasher according to the present invention includes a washing tank having an upper surface opened to allow the dishes to be stored therein, a cabinet having an open front surface to allow the washing tank to be detachable, and after the dishes are stored in the washing tank. In order to seal the upper surface of the washing tank during the washing, the lid is installed between the cabinet and the washing tank to seal the upper surface of the washing tank when the washing tank is mounted in the cabinet, and to control the movement of the lid up and down. Characterized in that it consists of an elastic mechanism installed in connection with the washing tank and the cabinet and the lid.

As described above, the sealing structure relates to a configuration for completely sealing the upper surface of the drawer dishwasher, and by allowing the lid to close the upper surface of the washing tank only to move up and down, the sealing tank can be completely sealed. In addition, there is an effect that can prevent damage to the sealed structure due to the dragging of the sealing member provided on the lower surface of the lid.

On the other hand, looking at the present invention in another aspect, by allowing the lid to move only up and down without moving from side to side, in the dishwasher of the same size by eliminating the free space before and after the washing tank that was required due to the lid also moved from side to side There is an effect that can increase the capacity of the washing tank even more.

Description

Structure for sealing of dish washer which is of drawer type}

The present invention relates to a structure for preventing leakage of the dishwasher, and more particularly, a closed structure of the drawer type dishwasher for preventing the dishwasher from malfunctioning because the wash water containing dirt from the drawer type dishwasher flows out to the upper side of the washing tank. It is about.

1 is a perspective view of a conventional door dish washer.

Referring to Figure 1, the door-type dishwasher is installed in the lower front of the operation panel 10 for adjusting the operating state of the dishwasher from the outside, and is installed inside the dishwasher to allow dishes such as dishes to be placed The door 30 is formed above the basket 20 and the operation panel 10 so that the front surface is opened so that the basket 20 can exit and the lower hinge is rotated up and down about the central axis so that the front surface is sealed. Let's take a look.

Such a conventional door-type dish washer is stored in order to wash the dishes, or when the basket 20 is removed to clean the dishes after cleaning is finished, the opening operation of the door 30 is removed before the basket 20 is removed. There is a problem that must be preceded.

2 is a longitudinal cross-sectional view of a conventional door dish washer.

Referring to Figure 2 in detail the structure of the conventional door-type dishwasher, the washing tank 40 including the washing water therein, and the upper dish basket 21 to accommodate the dishes to be washed in the upper and lower areas in the washing tank 40 ) And the lower dish basket 22, the upper dish basket 21 and the lower dish basket 22, the upper wheel 23a and the lower wheel 22a, which slide through the front of the dishwasher so that they can be detached and detached. It is installed.

In addition, the door 30 is opened and closed by up and down rotation so that the front surface is opened so that the washing tank 40 is demountable, and the operation panel for adjusting the operating state of the dishwasher at the lower side of the door 30. (10) is installed. In addition, the water supply motor 50 to supply the washing water into the washing tank 40 at the lower side of the washing tank 40, and the washing water may be supplied from the water supply motor 50 to the upper region and the lower region of the washing tank 40. The water supply pipe 60 is provided so that each may be provided.

Meanwhile, the washing water is supplied to the upper and lower dish baskets 21 and 22 from the water supply pipe 60 provided in the upper and lower regions of the washing tank 40 so that the washing water is sprayed into the lower and upper dish baskets 21 and 22. The upper spray nozzle 80 and the lower spray nozzle 70 are each attached, and each spray nozzle 70, 80 is formed of a hollow hollow body, and the corresponding water supply pipe is formed at the center of each spray nozzle 80, 70. A tubular rotary shaft disposed on the extension line of 60 is formed. The lower and upper spray nozzles 70 and 80 are formed with a plurality of nozzle holes 71 and 81 for spraying the washing water toward the dish baskets 21 and 22.

By such a configuration, each jet nozzle (70, 80) is provided with the washing water from the water supply pipe (60) toward the corresponding dish basket (21) (22) while rotating around the axis of rotation with a predetermined radius of rotation It will spray the wash water.

However, in order for the dishes to be stored in the door type dish washer as described above with reference to FIGS. 1 and 2, the upper and lower dish baskets 21 and 22 must be removed or put through the front surface. On the other hand, prior to the mounting and dismounting of the dish baskets 21 and 22, the operation of opening and closing the door 30 up and down should be preceded, since the operation of opening and closing the door 30 is preceded during the operation of the dishwasher There is a inconvenience to move the dishwasher.

Another drawer dishwasher has been proposed as another type of dishwasher to improve this problem, and the drawer dishwasher has a shape of a drawer in which a washing tank and a door are integrally formed so that a worker may use the dishwasher when the dishwasher is to be used. The opening and closing operations of the tableware can be performed at the same time.

As described above, the conventional door-type dishwasher is inconvenient for the worker because of the complicated two-step operation for putting the dish in or out of the dishwasher.

In addition, the conventional drawer-type dishwasher to improve this inconvenience, the opening of the upper side of the drawer is overflowing the washing water, water may come in contact with the power is applied, there is a risk that a short circuit may occur, the washing water flows into the inside of the dishwasher The dirt accumulates and adversely affects hygiene, and the present invention aims to provide a sealed structure of a drawer type dishwasher which can improve these various problems.

1 is a perspective view of a conventional door dishwasher.

Figure 2 is a longitudinal sectional view of a conventional door dish washer.

Figure 3 is a longitudinal sectional view of the dishwasher to which the idea of the present invention is applied.

4 is a view for explaining the operating state of the closed structure of the drawer type dish washer according to one embodiment of the present invention.

5 is a view for explaining an operating state of the drawer type dish washer closure structure according to the second embodiment of the present invention.

6 is a view for explaining an operating state of the drawer-type dishwasher sealing structure according to the third embodiment of the present invention.

7 is a view for explaining an operating state of the drawer-type dishwasher sealing structure according to the third embodiment of the present invention.

8 is a view for explaining an operating state of the drawer-type dishwasher sealing structure according to the fourth embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

10 ........ Operation panel 20 ........ Basket

21 ........ top Dish Basket 22 ........ bottom Dish Basket

23a ....... top wheel 22a ....... bottom wheel

30 ........ Door 40 ........ Wash

50 ........ Water supply motor 60 ........ Water supply pipe

80 ........ top spray nozzle 70 ........ bottom spray nozzle

71, 81 .... Spray nozzle 110 ....... Cleaning bath

111 ....... Turning protrusion 112 ....... No link member

113 ....... Rotary shaft 114 ....... Second slot

120 ....... Cabinet

130 ....... rail 140 ....... water pump

150 ......... injection nozzles 160 .........

170 ....... Lead 171 ....... Spring

172 ....... Sealing member 174 ....... 1st slot

180 ....... Opening and closing operation bar 181 ....... Hinge shaft

182 ....... Restore spring

183, 191, 193, 215 ........................................

190, 200, 210 ......................... Elastic mechanism

Compression Spring 194..Outer Guide

195, 202, 211, 202 ........................................................

201 ....... Guide 203 ....... Inclined member

204 ....... Rotating member 205 ....... Compression spring

206 ....... Slot 212 ....... Rotating Cam

213 ....... Support 214 ....... Vertical guide

216 ....... torsion spring

In order to achieve the object as described above, the sealed structure of the drawer type dishwasher according to the present invention includes a washing tank having an upper surface opened to receive the dishes therein, and a cabinet having a front surface opened for the dish washing tank to be detachable. And a lid installed between the cabinet and the washing tank to seal the upper surface of the washing tank during washing after the dishes are stored in the washing tank, so that the upper surface of the washing tank is sealed when the washing tank is mounted in the cabinet. In order to control the movement of the lead up and down, characterized in that consisting of the elastic mechanism is installed in conjunction with the washing tank and the cabinet and the lead.

The sealed structure of the drawer-type dish washer as outlined above will be described in more detail with reference to specific embodiments.

However, such a sealed structure may be understood by looking at the same time as the structure of the entire drawer-type dishwasher.

3 is a longitudinal sectional view of the dishwasher to which the idea of the present invention is applied.

Referring to Figure 3, the drawer type dishwasher washing machine 110, the upper surface is opened so that the dishes are stored, the cabinet 120 of the rectangular parallelepiped shape is opened in front so that the cleaning tank 110 can be carried, the washing tank 110 ) Is provided with a rail 130 formed in the lower portion of the washing tank 110 to be reversed back and forth.

In addition, a water supply pump 140 is installed on the lower outer surface of the washing tank 110 so that the washing water may be injected at a high pressure, and the spray nozzle 150 for spraying the washing water pressurized through the water pump 140 toward the dishware. The water supply pipe 160 is installed on the lower inner surface of the washing tank, and the washing water pressurized through the feed pump 140 flows into the injection nozzle 150. On the other hand, the feed pump 140 and the water supply pipe 160 is installed integrally on the lower surface of the washing tank 110, and moves together with the washing tank 110 when the washing tank 110 is lifted.

In addition, it is necessary to pay attention that the water supply pump 140 is externally powered to operate so that external moisture does not touch structurally.

Looking at the structure of the drawer-type dishwasher, since there is a predetermined distance between the upper surface and the inner surface of the upper surface of the cabinet 120 to open the dishes in the washing tank 110, the injection nozzle 150 in the gap It can be seen that the washing water sprayed through the leak, the problem caused by this is as described above.

In particular, the present invention aims to prevent leakage of the washing water through the upper surface of the washing tank.

4 is a view for explaining an operating state of the closed structure of the drawer type dish washer according to one embodiment of the present invention.

Referring to FIG. 4, the components provided to achieve the object of the present invention include a washing tank 110 having an upper surface opened to allow the dishes to be stored therein, and an upper surface of the washing tank 110 to wash the dishes. Lead (Lid) 170 is installed to be sealed when the, and the cabinet 120 is connected to the lead 170 to provide a restoring force to move the lid 170 up and down is included as a main component.

In addition, a link member 112 for connecting the side of the lid 170 and the cabinet 120 is provided, and when the dishes are accommodated in the washing tank 110 and then mounted on the cabinet 120, the link member ( 112 is pushed further includes a locking projection 111 formed on the side of the washing tank 110 to seal the lid 170, the upper surface of the cabinet (120).

In addition, the side of the cabinet 120 and the lower end of the link member 112 is rotated so that the link member 112 is pushed by the locking projection 111 to rotate and the link member 112, The top of the) and the lid 170 is connected to form a spring 171 to form a stationary state of the lid 170, and a slot 173 for the spring 171 is further included.

Referring to the operation of this configuration, if the dish is placed in the washing tank 110, and then push the washing tank 110 to be mounted on the cabinet 120, together with the locking projection 111 formed on the side of the washing tank 110 ) Pushes the link member 112 provided between the lid 170 and the cabinet 120 side, and the link member 112 being pushed is rotated counterclockwise about the pivot shaft 113.

In addition, the link member 112 rotated about the pivot shaft 113 installed at the lower end of the link member 112 generates a force for pulling the lead 170 by the spring 171 installed at the upper end thereof. Is rotated clockwise, the lid 170 is horizontally fixed by the cabinet 120, the lid 170 can only move vertically downward.

And, when the washing of the dishes is finished, when removing the pull out the washing tank 110 to be detached from the inside of the cabinet 120, at the same time the restoring force of the spring 171 is applied to the link member 112 is upright without an external force Returning to the original state, the lid 170 is lifted so as not to interfere with the movement of the washing tank (110). On the other hand, a sealing member 172 is installed on the bottom of the lid 170 to more completely seal the lid 170 and the upper surface of the washing tank 110.

On the other hand, since the present invention is configured such that the lid 170 only moves up and down and does not move from side to side, the lead 170 is provided so long as the link member 112 and the locking protrusion 111 are properly placed. Since the movement is made only up and down, the pulling phenomenon does not occur in the sealing member 172 installed on the bottom surface of the lid 170.

In addition, since the lid 170 only moves up and down, it is necessary to form the length in the front and rear directions of the washing tank 110 longer than the washing tank 110 in consideration of the lid 170 moving back and forth. Since there is no space, the space of the washing tank 110 can be wider.

Hereinafter will be described another embodiment within the scope of the same idea of the present invention, the overall structure is the same as the original embodiment, except for the elastic mechanism for sealing the lid 170 and the washing tank 110 is different. This elastic mechanism will be described in more detail.

5 is a view for explaining a second embodiment corresponding to the spirit of the present invention.

Referring to Figure 5, the components provided to achieve the object of the present invention is the same as the original embodiment of the washing tank 110 and the upper surface of the washing tank 110 to be accommodated therein, the washing tank 110 The lid (170) is installed so that the upper surface is sealed when washing the dishes, and the cabinet 120 is connected to the lid 170 to provide a restoring force to move the lid 170 up and down freely It is included as a major component.

In addition, as a more detailed configuration for operating the second embodiment of the present invention, the first slot 174 and the second slot 114 and the inner side of the lid 170 and the cabinet 120, respectively; In order to allow the opening and closing operation bar 180 and the opening and closing operation bar 180 to lift the lid 170, respectively, the opening and closing operation bar 180 is placed so that one end slides in the first slot 174 and the second slot 114. The other end of the operation bar 180 is also placed on the lid 170 and the cabinet 120. Then, the opening and closing operation bar 180 is made of two bars and the hinge shaft 181 is formed in the center portion of the bar, the opening and closing operation bar 180 is opened and folded around the hinge shaft 181 is made Can be.

And, in order to apply a constant restoring force to each bar constituting the opening and closing operation bar 180, a restoring spring 182 is installed around the hinge shaft 181, the restoring spring 182 is a hinge shaft 181 It is fixed to the center.

In addition, in order to push the opening and closing operation bar 180 so that the lid 170 covers the upper surface of the washing tank 110, a locking protrusion 183 is formed at the side of the washing tank 110.

The restoration spring 182 is provided by the force that the lid 170 is to fall from the upper side of the washing tank 110, so that the lid 170 does not interfere with the washing tank 110 when the washing tank 110 is detached. .

Referring to the operation of the second embodiment of the present invention having such a configuration, when the washing of the dishes accommodated in the washing tank 110 is finished and the washing tank 110 is pulled in order to remove the dishes, the opening and closing operation bar 180 made of X External force due to the locking projection 183 that was pushing the) is removed and the opening and closing operation bar 180 is opened due to the restoring force of the restoring spring 182, and the lid 170 is moved upward, and the opening and closing operation bar 180 In the first slot 174 and the second slot 114 where one end is placed, the opening / closing operation bar 180 slides horizontally.

On the contrary, when the washing tank 110 is pushed in contact, the locking protrusion 183 moves in the opposite direction by pushing the opening / closing operation bar 180 in the opposite direction, and the lid 170 moves vertically downward. Thus, the lid 170 and the washing tank 110 is sealed.

On the other hand, in the second embodiment as described above, the sealing member is provided on the lower surface of the lid 170, so that the sealing of the lid 170 and the upper surface of the washing tank 110 can be made more completely.

On the other hand, in order for the locking projection 183 formed on the side of the washing tank 110 to push or touch the opening and closing operation bar 180 is made without interference, the opening and closing operation bar 180 is the locking projection 183 Where the contact portion and the catching projection 183 falls out may be different from each other.

6 is a view for explaining a third embodiment according to the present invention.

Referring to FIG. 6, the present invention is the same as the above-described embodiment, except that the lid 170 is provided with an elastic mechanism 190 for allowing the lid 170 to be pushed downward.

Referring to the configuration of the elastic mechanism 190 in more detail, the outer guide 194 is formed with a fixing projection 195 extending from the side of the lid 170 in a predetermined position in the hollow shape of the hollow inside And a compression spring 192 having a lower end to the fixing protrusion 195 are installed inside the elastic mechanism 190. An upper end of the compression spring 192 is supported by an upper end inside the outer guide 194. At the bottom of the compression spring 192, a locking ring 193 is connected.

The hook ring 193 is caught by the catching protrusion 191 formed on the side of the washing tank 110, the hook ring 193 is caught when the washing tank 170 is mounted inside the cabinet 120 Hooked on the protrusion 191, by pulling the fixing protrusion 195, the entire lead 170 in which the fixing protrusion 195 is formed is moved downward to seal the upper surface of the washing tank 170.

Referring to the operation of the third embodiment according to the present invention in more detail, when detaching the washing tank 170 in order to place the dishes in the washing tank 170 so that the catch ring 193 is released from the catch projection 191. The lid 170 is moved to the upper side of the cabinet 120 due to the restoring force of the compression spring 192 so as not to interfere with the detachment of the washing tank 170, and after storing the dishes in the washing tank 170. In the case of closing the washing tank 170, the locking protrusion 193 is caught by the locking protrusion 191 so that the fixing protrusion 195 connected to the locking hook 193 is pulled, so that the lid 170 is in the cabinet 120. By being in close contact with the upper surface of the) it is possible to prevent the wash water from flowing out through the upper surface of the washing tank (170).

On the other hand, since the amount of movement of the lid 170 up and down is exaggerated in the drawing and is actually small, the amount of movement of the locking ring 193 is also small, so that the locking protrusion 191 is caught by the locking ring 193. none.

7 is a view for explaining a fourth embodiment of the sealed structure of the drawer type dishwasher according to the present invention.

Referring to FIG. 7, the present embodiment is characterized in that the elastic mechanism 200 is installed on the lid 170. The elastic mechanism 200 is a guide extending from the bottom of the lid 170. 201, the inclined member 203 extending from a side of the guide 201, and one end of the inclined member 203, and the other end thereof is connected to the fixing protrusion 202 formed on the side of the cabinet 120. Compression spring 205 is provided, and a rotating member 204 for allowing the inclined member 203 to climb up to a predetermined position of the washing tank 110 side. In addition, in order for the compression force of the compression spring 205 to work smoothly, the guide 201 has a slot 206 for inserting the compression spring 205 to move the compression spring 205 only in the vertical direction. have.

Referring to the operation of the fourth embodiment of the present invention having such a configuration, both ends are fixed to the fixing protrusion 202 and the guide 201 when the washing tank 110 is detached to store the dishes in the washing tank 110. Since the lid 170 is raised by the restoring force of the compression spring 205, the washing tank 110 is detached from the lid 170 so that the lid 170 is not hindered, and after storing the dishes in the washing tank 110, the washing tank 110 is opened. In the case of mounting, the rotating member 204, which moves along with the movement of the washing tank 110, rises up the inclined member 203, so that the rotating member 204 is fixed up and down, but the guide 201 moves up and down, thereby providing a guide. Reed 170 is integrally fixed to the lid 170 also moves downward to seal the top of the washing tank 170 can be made more completely.

8 is a view for explaining a fifth embodiment of the sealed structure of the drawer type dishwasher according to the present invention.

Referring to FIG. 8, the present exemplary embodiment includes an elastic mechanism 210 formed at a predetermined position of the lid 170.

In the present embodiment, the lid 170 is formed by the fixing protrusion 211 formed at a predetermined position on the side of the lid 170, the rotation cam 212 into which the fixing protrusion 211 is inserted, and the rotation cam 212. In order to ensure that the upper end is connected to the cabinet 120 and the lower end is connected to the vertical guide 214 connected to the washing tank 110, the rotation of the rotary cam 212 and the operation to accommodate the washing tank 110 is linked. A support 213 is included. And, the side of the washing tank 110 is engaged with the support 213, the engaging projection 215 for rotating the cam 212, and the torsion spring 216 for applying a constant restoring force to the rotation of the rotary cam 212 ) Is installed.

On the other hand, the lid 170 and the vertical guide 214, the fixing projection 211 formed in the lead 170 in order to be able to slide in the rotational motion of the rotary cam 212, the vertical guide 214 up and down It is guided up and down along the slot 217 is processed into, the fixing projection 211 is configured to be inserted so that it can be rotated with respect to the rotary cam 212 but does not move up and down.

Referring to the operation of the fifth embodiment of the sealed structure of the drawer type dishwasher according to the present invention having such a configuration, when the washing tank 110 is detached to store the dishes in the washing tank 110 of the torsion spring 216 Rotating cam 212 is placed horizontally by the restoring force and at the same time the lid 170 is moved upward along the vertical guide 214, so that the sealing structure is released and at the same time the desorption of the washing tank is not hindered. If the washing tank 110 is to be mounted on the cabinet 120 after storing the dishes, the locking protrusion 215 is formed to push the support 213 while the washing tank 110 is inserted, thereby being integrated with the support 213. Since the rotary cam 212 is also rotated accordingly, the upper side of the rotary cam 212 pushes the bottom surface of the cabinet 120 and is fixed by the fixing protrusion 211 inserted into the rotary cam 212. The lid 170 is pushed down so that the lid 170 seals the upper surface of the washing tank 110.

Various embodiments of the drawer-type dish washer closure structure according to the present invention as described above, so that the outflow of the washing water through the upper surface of the washer can be effectively suppressed due to the lid, and in addition, the lid is moved only vertically up and down Since it is formed, the capacity of the washing tank can be further increased because the space before and after necessary for the lead to move left and right is not required.

The various embodiments as described above are merely one embodiment of the present invention, and various other embodiments according to the spirit of the present invention may be variously derived by adding or removing components.

The present invention relates to a configuration for completely sealing the upper surface of the drawer-type dishwasher, by allowing the lid to move the top and bottom of the washing tank only to move up and down, to ensure that the washing tank is completely sealed at the same time the lower surface of the lid There is an effect that can prevent damage to the sealed structure due to the drag of the sealing member is installed.

On the other hand, looking at the present invention in another aspect, by allowing the lid to move only up and down without moving from side to side, in the dishwasher of the same size by eliminating the free space before and after the washing tank that was required due to the lid also moved from side to side There is an effect that can increase the capacity of the washing tank even more.

Claims (9)

A washing tank having an upper surface opened to allow dishes to be stored therein; A cabinet in which the front surface is opened so that the washing tank can be detachable, A lid installed between the cabinet and the washing tank to seal the upper surface of the washing tank during washing after the dishes are stored in the washing tank so that the upper surface of the washing tank is sealed when the washing tank is mounted in the cabinet; Sealing structure of the drawer type dishwasher, characterized in that made of an elastic mechanism installed in conjunction with the washing tank, the cabinet and the lid in order to control the movement of the lid up and down. The method of claim 1, The elastic mechanism is a spring guided by a slot machined on the side of the lead, A locking protrusion formed on the side of the washing tank, One end is connected to the spring and the other end is connected to a rotation shaft formed on the side of the cabinet, and the lid is pushed by the locking protrusion according to the long attachment and detachment of the washing tank to be rotated about the rotation shaft, thereby leading to the upper surface of the washing tank. Sealing structure of the drawer-type dishwasher, characterized in that it comprises a link member to prevent the leakage during cleaning by sealing. The method of claim 2, The spring is a closed structure of the drawer type dishwasher, characterized in that when the lid is detached from the washing tank performs a function to give a predetermined position to the lid with a spring restoring force. The method of claim 1, A link member connecting the first slot and the cabinet side rotating end formed on the side of the lid and a link member connecting the second slot formed on the side of the cabinet and the rotating end of the lead side. A restoring spring installed around an intersection of the link members to maintain the link members at a constant position; Sealing structure of the drawer type dish washer characterized in that it comprises a locking projection formed on the side of the washing tank to push the link members when the washing tank is mounted. The method of claim 1, A tension spring having one end fixed to the bottom of the cabinet and the other end connected to the lead; One end is fixed to the lower end of the tension spring and the other end of the fixing ring is formed with a hook, Fixed to be formed on the side of the lid so that the lower end of the compression spring is caught by the lid to seal the upper surface of the washing tank by pulling the lead down to be caught by the fixing ring when inserting the washing tank Sealing structure of the drawer-type dishwasher, characterized in that the projection is included. The method of claim 5, Sealing structure of the drawer-type dishwasher, characterized in that it further comprises an outer guide which is fixed to the upper bottom surface of the cabinet and the tension spring is placed therein so that the tension spring is guided. The method of claim 1, The elastic mechanism includes a guide that is formed to extend from the lower end and extending from the bottom of the lead, A compression spring for connecting both ends to a fixing protrusion formed on an upper side of the slot processed in the guide and a side surface of the cabinet, and being placed in the slot so that the lid is placed at a predetermined position; When the washing tank is mounted, a drawer dishwasher comprising a rolling or sliding member formed on the side of the washing tank to cover the upper surface of the washing tank due to interaction with the inclined member. Sealed structure. The method of claim 1, The elastic mechanism is a vertical guide that the top is fixed to the cabinet, A rotary cam rotatably coupled to the lid to allow the lid to move up and down by the vertical guide to cover the upper surface of the cabinet; A support extending and formed at a predetermined position of the rotary cam; Sealing structure of the drawer-type dishwasher characterized in that the locking cam is rotated as the support is pushed to cover the upper surface of the cabinet by the lid. The method according to any one of claims 1 to 7, The elastic mechanism is a closed structure of the drawer type dishwasher, characterized in that the symmetrical installation on the side of the lid in order to stabilize the operation of the lid.