CN114129113A

CN114129113A - Locking structure and dish washer

Info

Publication number: CN114129113A
Application number: CN202010920725.8A
Authority: CN
Inventors: 焦显成; 潘海锋; 朱剑锋; 丘啸雄; 时红超; 郭名威
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2022-03-04
Anticipated expiration: 2040-09-04
Also published as: CN114129113B

Abstract

The invention provides a locking structure and a dish washing machine, comprising: a first movable member; the second movable piece and the first movable piece are provided with a locking space; the latch fitting structure is arranged in the locking interval and comprises a locking piece, the second moving piece is provided with a through hole which just passes through the locking piece, and the locking piece is provided with a first state right facing the through hole and a second state staggered with the through hole. First movable piece and second movable piece move for the latch fitting structure, and the second movable piece is at first the position that reaches the latch fitting structure, because be provided with the thru hole on the second movable piece, and the lock piece is in first state, therefore the second movable piece can pass through the latch fitting structure. Continuing above-mentioned motion, the latch fitting structure gets into the locking interval between first piece and the second piece, and after the locking piece got into the locking interval completely, the locking piece switched into the second state, and thru hole and locking piece stagger each other this moment, and the locking piece prevents that the second piece returns according to the direction original way that gets into to realize automatic locking.

Description

Locking structure and dish washer

Technical Field

The invention relates to the technical field of household appliances, in particular to a locking structure and a dish washing machine.

Background

At present, the dish washing machines can be generally classified into a cabinet type, a table type, a sump type and a drawer type dish washing machine. The drawer type dish washer is characterized in that the door opening mode is drawer type, and the general process for placing tableware is as follows: the drawer is pulled open; and placing tableware. The user can put the tableware into the dish washer in a push-pull mode, and the operation is convenient. The switch door of the existing drawer type dish washing machine is completely pulled or pushed manually, when the drawer liner pushes the box body inwards, the box body is often impacted to a certain degree, and if a user does not operate properly or violently pulls out the drawer type, the interior of the box body is damaged. In addition, the drawer type dish washing machine can work only when the inner container of the drawer is closed, otherwise, washing water is easy to spill out, and the floor is wetted. Therefore, on the premise that the user cannot see the internal structure, the user cannot predict the degree of the drawer inserted and then the drawer is just locked, so that the situation of over-pushing and closing exists in the using process. The damage and the vibration generated by the drawer impact influence the service life of the whole machine.

Disclosure of Invention

Therefore, the invention aims to solve the technical problem of overcoming the defect that the manual locking and closing of the chamber are easy to bump when a user uses the dishwasher in the prior art, thereby providing a locking structure and the dishwasher.

A locking structure, comprising:

a first movable member;

the second movable piece and the first movable piece are provided with a locking space;

the latch fitting structure is located in the locking interval, the latch fitting structure includes the lock piece, be equipped with on the second piece and pass through just the thru hole of lock piece, the lock piece has just right the first state of thru hole, and with the second state that the thru hole staggers.

The locking structure further includes:

the positioning guide pillar is arranged on the installation surface of the equipment and used for installing the locking piece structure, and the locking piece is rotatably connected to the positioning guide pillar.

The lock structure further includes:

and the limiting cylinder is fixed relative to the positioning guide pillar, the axis of the positioning guide pillar is parallel to that of the limiting cylinder, and one end of the locking piece extends into the limiting cylinder.

The lock structure further includes:

the pressing piece is sleeved on the positioning guide pillar, a sliding groove is formed in the inner wall of the limiting cylinder, a sliding block is arranged on the outer side of the pressing piece in a protruding mode, and the pressing piece is connected to the limiting cylinder in a sliding mode.

The lock member includes:

the first matching step is convexly arranged on the outer side wall of the locking piece, and the first matching step is embedded in the sliding groove in the first state and the second state.

The first matching step faces one side of the limiting cylinder, a first guide surface is arranged on one side of the limiting cylinder, the pressing piece is abutted to the first matching step, and a second guide surface matched with the first guide surface in a fitting mode is arranged on the pressing piece.

The first guide surface and the second guide surface are obliquely arranged, and the first guide surface has a movement trend of fitting the second guide surface to slide.

The lock member further includes:

the second cooperation step is located first cooperation step is kept away from one side of a spacing section of thick bamboo under first state and the second state, the terminal surface of second cooperation step is contradicted the opening tip of a spacing section of thick bamboo.

A protruding structure is formed between every two adjacent sliding grooves, and a third guide surface is arranged on one side, facing the first matching step, of each protruding structure.

The locking structure further includes:

the elastic piece is sleeved on the positioning guide column, is positioned outside the locking space and abuts against the second movable piece.

A dishwasher, comprising:

a bin structure;

a drawer structure slidably connected within the bin structure;

in any of the above aspects, the locking structure is disposed in a space between the bin structure and the drawer structure, the first moving member and the second moving member are disposed on the drawer structure, and the locking member structure is disposed on an inner wall of the bin structure.

The technical scheme of the invention has the following advantages:

1. the present invention provides a locking structure, including: a first movable member; the second movable piece and the first movable piece are provided with a locking space; the latch fitting structure is located in the locking interval, the latch fitting structure includes the lock piece, be equipped with on the second piece and pass through just the thru hole of lock piece, the lock piece has just right the first state of thru hole, and with the second state that the thru hole staggers.

First movable piece and second movable piece move for the latch fitting structure, and the second movable piece is at first the position that reaches the latch fitting structure, because be provided with the thru hole on the second movable piece, and the lock piece is in first state, therefore the second movable piece can pass through the latch fitting structure. Continuing above-mentioned motion, the latch fitting structure gets into the locking interval between first piece and the second piece, and after the locking piece got into the locking interval completely, the locking piece switched into the second state, and thru hole and locking piece stagger each other this moment, and the locking piece prevents that the second piece returns according to the direction original way that gets into to realize automatic locking.

2. According to the locking structure provided by the invention, the first guide surface and the second guide surface are obliquely arranged, and the first guide surface has a movement trend of sliding along the second guide surface. The lock member further includes: the second cooperation step is located first cooperation step is kept away from one side of a spacing section of thick bamboo under first state and the second state, the terminal surface of second cooperation step is contradicted the opening tip of a spacing section of thick bamboo. A protruding structure is formed between every two adjacent sliding grooves, and a third guide surface is arranged on one side, facing the first matching step, of each protruding structure.

After the pressing piece is pressed by the first moving piece to abut against the first matching step, the first guide surface and the second guide surface are attached to each other, the first moving piece continues to move, the pressing piece pushes the first matching step to be separated from the sliding groove along the length direction of the sliding groove, and the first guide surface and the second guide surface are matched in an inclined plane mode, so that after the first matching step is separated from the limiting of the sliding groove, the first matching step slides on the basis of the second guide surface, and the locking piece is driven to rotate. First spigot surface rotates towards the third spigot surface when the locking piece takes place to rotate, and after the thrust that presses the piece was removed, first spigot surface no longer received the promotion of second spigot surface, under the effect of spring, first cooperation step removed to spacing section of thick bamboo once more for first spigot surface and the laminating contact of third spigot surface, under the further effect of spring thrust, first spigot surface continued to take place to rotate along the third spigot surface, and go into next spout. When the first matching step enters another sliding groove again under the action of the third guide surface, the locking piece cannot rotate continuously after rotating for a certain angle under the limiting action of the sliding groove, and therefore switching between the first state and the second state is achieved.

3. The invention provides a locking structure, which further comprises: the elastic piece is sleeved on the positioning guide column, is positioned outside the locking space and abuts against the second movable piece.

When the drawer structure inserted the bin structure, the second moved after through the latch fitting structure, the second moved and continues to press the elastic component and make the elastic component further take place elastic deformation, and the elastic component can play the cushioning effect this moment, prevents that the user from excessively promoting the drawer structure and causing the striking.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a perspective view of the locking structure of the present invention attached to a dishwasher drawer structure;

FIG. 2 is a left side view of the locking structure of FIG. 1 attached to a dishwasher drawer structure;

FIG. 3 is a schematic view showing the insertion of the drawer structure into the compartment structure;

FIG. 4 is a perspective view of the structure of the button of the present invention;

FIG. 5 is a perspective view of the limiting cylinder structure of the present invention;

FIG. 6 is an overall view of the limiting cylinder in FIG. 5 from the front view of the open end face;

FIG. 7 is a perspective view of the latch structure of the present invention;

FIG. 8 is a schematic cross-sectional view taken along line A-A of FIG. 6;

FIG. 9 is a schematic view of a second mating step pushed out of the chute by the pusher after the condition of FIG. 8;

fig. 10 is a schematic view of the second mating step sliding toward the third guide surface with respect to the second guide surface after the state with respect to fig. 9.

Description of reference numerals:

1. a first movable member; 11. a second movable member; 12. through holes; 2. a lock structure; 21. a pressing piece; 211. a second guide surface; 212. a slider; 22. a locking member; 221. a first mating step; 222. a second mating step; 223. a first guide surface; 3. a limiting cylinder; 31. a third guide surface; 32. a chute; 33. a support leg; 4. positioning the guide post; 5. an elastic member; 6. a drawer structure; 61. a drawer door; 7. a bin structure; 71. a first chamber inner wall; 72. the second chamber inner wall.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a locking structure, as shown in fig. 1 and 2, including: a first movable member 1; the second movable piece 11 and the first movable piece 1 are provided with a locking interval; the latch fitting structure 2 is arranged in the locking interval, the latch fitting structure 2 comprises a locking piece 22, the second moving piece 11 is provided with a through hole 12 which passes through the locking piece 22 right, the locking piece 22 has a first state right facing the through hole 12, and a second state staggered with the through hole 12.

The first movable member 1 and the second movable member 11 move relative to the latch mechanism 2, the second movable member 11 first reaches the latch mechanism 2, and the second movable member 11 can pass through the latch mechanism 2 because the through hole 12 is formed in the second movable member 11 and the locking member 22 is in the first state. Continuing the above-mentioned motion, latch fitting structure 2 gets into the locking interval between first movable member 1 and the second movable member 11, and after locking member 22 got into the locking interval completely, locking member 22 switched into the second state, and thru hole 12 staggers each other with locking member 22 this moment, and locking member 22 prevents that second movable member 11 returns according to the direction that gets into original way to realize automatic locking.

With reference to fig. 1 and 3, when the locking structure in the above embodiment is applied to a dishwasher, the first movable member 1 and the second movable member 11 are both disposed on the drawer structure 6 of the dishwasher, and the locking member structure 2 is disposed on the first compartment inner wall 71 of the compartment structure 7. When drawer structure 6 inserts bin structure 7, first 1 and the second 11 piece of moving get into bin structure 7 and cooperate with latch fitting structure 2, and when the automatic locking of locking structure realization, automatic locking in getting into bin structure 7 has been realized to drawer cabinet structure. Therefore, the user does not need to push the door forcibly, and the locking structure can realize automatic locking.

The manner of switching the lock member 22 between the first state and the second state is not particularly limited, and on the basis of the above embodiment, as a further limited embodiment, as shown in fig. 2 and 3, the lock structure further includes: and the positioning guide post 4 is arranged on the installation surface of the equipment and used for installing the locking piece structure 2, and the locking piece 22 is rotatably connected on the positioning guide post 4. The locking member 22 is switched between the first state and the second state by rotating on the positioning guide post 4.

The manner of controlling the rotation of the locking member 22 is not particularly limited, and on the basis of the above-mentioned embodiment, as a further limited embodiment, the locking member 22 is driven to rotate while pushing the drawer structure 6 by means of mechanical transmission, so as to switch between the first state and the second state of the locking member 22. Alternatively, the locking member 22 can be driven to rotate on the positioning guide post 4 by means of an electric motor, an air cylinder, a motor, or the like. In particular, corresponding travel switches may be provided for cooperation in order to ensure that the locking element arrangement 2 is rotated after entering the locking distance and then drives the locking element 22.

In addition to the above embodiments, as a further limited embodiment, as shown in fig. 3 and 5, the lock structure 2 further includes: the position of the limiting cylinder 3 is fixed relative to the positioning guide post 4, the axis of the positioning guide post 4 is parallel to the axis of the limiting cylinder 3, and one end of the locking piece 22 extends into the limiting cylinder 3.

In addition to the above embodiments, as a further limited embodiment, as shown in fig. 4 and 5, the lock structure 2 further includes: the pressing piece 21 is sleeved on the positioning guide post 4, the inner wall of the limiting cylinder 3 is provided with a sliding groove 32, the outer side of the pressing piece 21 is convexly provided with a sliding block 212, and the pressing piece 21 is connected to the limiting cylinder 3 in a sliding mode. In this embodiment, as shown in fig. 3, the locking member 22 is sleeved on the positioning guide post 4, the pressing member 21 is continuously sleeved on the locking member 22, and meanwhile, the pressing member 21 penetrates into the limiting cylinder 3, so that the pressing member 21 is located between the limiting cylinder 3 and the locking member 22. In an alternative embodiment, the locking member 22 and the pushing member 21 are both disposed on the positioning guide post 4.

As shown in fig. 3, 7, and 8, the lock member 22 includes: the first engaging step 221 is convexly disposed on an outer side wall of the locking member 22, and the first engaging step 221 is embedded in the sliding groove 32 in the first state and the second state.

The first engaging step 221 is embedded in the sliding groove 32, and under the limiting action of the sliding groove 32, the first engaging step 221 cannot rotate relative to the positioning guide post 4 and the limiting cylinder 3, so that the current state cannot be changed.

In addition to the above embodiments, as a further limited embodiment, as shown in fig. 6 and 8, a first guide surface 223 is provided on one side of the first engaging step 221 facing the limiting cylinder 3, the pressing member 21 abuts against the first engaging step 221, and a second guide surface 211 that fits with the first guide surface 223 is provided on the pressing member 21. Specifically, referring to fig. 8 and 9, the first guide surface 223 and the second guide surface 211 are disposed obliquely, and the first guide surface 223 has a tendency to slide along the second guide surface 211.

After the pressing piece 21 is pressed by the first moving piece 1 to abut against the first matching step 221, the first guide surface 223 and the second guide surface 211 are attached to each other, the first moving piece 1 continues to move, so that the pressing piece 21 pushes the first matching step 221 to be separated from the sliding groove 32 along the length direction of the sliding groove 32, and the first guide surface 223 and the second guide surface 211 are in inclined surface matching, so that after the first matching step 221 is separated from the limitation of the sliding groove 32, the first matching step 221 slides on the basis of the second guide surface 211, and the locking piece 22 is driven to rotate. As shown in fig. 10, when the locking member 22 rotates, the first guide surface 223 rotates towards the third guide surface 31, after the pushing force of the pushing member 21 is removed, the first guide surface 223 is no longer pushed by the second guide surface 211, and under the action of the spring, the first engaging step 221 moves into the limiting cylinder 3 again, so that the first guide surface 223 contacts with the third guide surface 31, and under the further action of the pushing force of the spring, the first guide surface 223 continues to rotate along the third guide surface 31 and enters the next sliding chute 32. When the first engaging step 221 reenters another sliding chute 32 under the action of the third guiding surface 31, the locking member 22 cannot rotate continuously after rotating a certain angle under the limiting action of the sliding chute 32, so that the switching between the first state and the second state is realized.

In addition to the above-described embodiments, as a further limited embodiment, as shown in fig. 3, the lock member 22 further includes: and the second matching step 222 is arranged on one side of the first matching step 221, which is far away from the limiting cylinder 3, and the end surface of the second matching step 222 abuts against the opening end part of the limiting cylinder 3 in the first state and the second state.

The second matching step 222 can play a role in limiting by abutting against the opening end of the limiting cylinder 3, and when the first matching step 221 is embedded into the sliding groove 32, the sliding groove 32 is prevented from further sliding into the sliding groove 32 excessively, so that the state switching can be continued conveniently, and the state switching can be performed at any time.

The application of the locking structure is not particularly limited, and on the basis of the above embodiments, as a further limited embodiment, as shown in fig. 1 and 3, the present embodiment further provides a dishwasher, including: a bin structure 7; a drawer structure 6 slidably connected within the chamber structure 7; the locking structure of any one of the above embodiments is disposed in a space between the bin structure 7 and the drawer structure 6, the first movable member 1 and the second movable member 11 are disposed on the drawer structure 6, and the locking member structure 2 is disposed on an inner wall of the bin structure 7.

Specifically, as shown in fig. 1 and 2, the drawer structure 6 includes a drawer door 61 and a body of the drawer structure 6, for the dishwasher, tableware, fruits and vegetables and other objects are placed on the body of the drawer structure 6, when the drawer structure 6 is inserted into the compartment structure 7 from the open end of the compartment structure 7 and sealed, the body of the drawer structure 6 enters the compartment structure 7, and the drawer door 61 plays a role of sealing the open end of the compartment structure 7.

The drawer door 61 can be used as a base installation surface for installing accessories such as a handle, a touch panel, and a display screen.

The surface of the chamber structure 7 facing the chamber opening is a first chamber inner wall 71, and as shown in fig. 3, the surface adjacent to the first chamber inner wall 71 is a second chamber inner wall 72 for installing the locking member structure 2. The limiting cylinder 3 is connected to the second chamber inner wall 72 through the support leg 33, and the positioning guide post 4 is arranged on the first chamber inner wall 71.

On the basis of the above embodiments, as a further limited embodiment, as shown in fig. 1 to 3, the locking structure further includes: and the elastic piece 5 is sleeved on the positioning guide pillar 4, the elastic piece 5 is positioned outside the locking space, and the elastic piece 5 is abutted against the second movable piece 11. In this embodiment, the elastic member 5 is supported between the locking member 22 and the inner wall 71 of the first chamber. As shown in fig. 3, before the drawer structure 6 is not inserted into the compartment structure 7, the elastic member 5 abuts against the locking member 22, the locking member 22 abuts against the limiting cylinder 3 through the second engaging step 222, and at this time, the elastic member 5 is in an elastic deformation state. Referring to fig. 3 and 10, when the drawer structure 6 is inserted into the compartment structure 7, after the second movable member 11 passes through the locking member structure 2, the second movable member 11 continues to press the elastic member 5 to make the elastic member 5 further generate elastic deformation, and at this time, the elastic member 5 can play a role in buffering, so as to prevent the user from excessively pushing the drawer structure 6 to cause impact.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A locking structure, comprising:

a first movable member (1);

a second movable part (11) which is spaced from the first movable part (1) by a locking distance;

latch fitting structure (2) is located in the locking interval, latch fitting structure (2) include lock piece (22), be equipped with on second movable piece (11) and pass through just through thru hole (12) of lock piece (22), lock piece (22) have just right the first state of thru hole (12), and with thru hole (12) staggered second state.

2. The lock structure of claim 1, further comprising:

the positioning guide post (4) is arranged on the installation surface of the equipment and used for installing the locking piece structure (2), and the locking piece (22) is rotatably connected to the positioning guide post (4).

3. The latch structure of claim 2 wherein the lock structure (2) further comprises:

the limiting cylinder (3) is fixed relative to the positioning guide post (4), the axis of the positioning guide post (4) is parallel to the axis of the limiting cylinder (3), and one end of the locking piece (22) extends into the limiting cylinder (3).

4. The latch structure of claim 3 wherein the lock structure (2) further comprises:

the pressing piece (21) is sleeved on the positioning guide pillar (4), a sliding groove (32) is formed in the inner wall of the limiting cylinder (3), a sliding block (212) is arranged on the outer side of the pressing piece (21) in a protruding mode, and the pressing piece (21) is connected to the limiting cylinder (3) in a sliding mode.

5. The lock structure according to claim 4, wherein the lock member (22) includes:

the first matching step (221) is convexly arranged on the outer side wall of the locking piece (22), and the first matching step (221) is embedded in the sliding groove (32) in the first state and the second state.

6. The locking structure of claim 5, wherein a first guide surface (223) is arranged on one side of the first engaging step (221) facing the limiting cylinder (3), the pressing member (21) abuts against the first engaging step (221), and a second guide surface (211) which is in fit engagement with the first guide surface (223) is arranged on the pressing member (21).

7. The latch structure of claim 6, wherein the first guide surface (223) is obliquely arranged with respect to the second guide surface (211), the first guide surface having a tendency to slide against the second guide surface.

8. The lock structure according to any one of claims 5 to 7, wherein the lock member (22) further includes:

the second matching step (222) is arranged on one side, away from the limiting cylinder (3), of the first matching step (221), and the end face of the second matching step (222) abuts against the opening end portion of the limiting cylinder (3) in the first state and the second state.

9. The locking structure according to any one of claims 4-7, wherein a convex structure is formed between two adjacent sliding grooves (32), and a side of the convex structure facing the first engaging step (221) is provided with a third guide surface (31).

10. The latch structure according to any one of claims 2 to 7, further comprising:

the elastic piece (5) is sleeved on the positioning guide pillar (4), the elastic piece (5) is located on the outer side of the locking distance, and the elastic piece (5) abuts against the second movable piece (11).

11. A dishwasher, comprising:

a bin structure (7);

a drawer structure (6) slidably connected within the chamber structure (7);

the locking arrangement of any of claims 1 to 10, disposed in a space between the compartment structure (7) and the drawer structure (6), the first movable member (1) and the second movable member (11) being disposed on the drawer structure (6), and the locking member structure (2) being disposed on an inner wall of the compartment structure (7).