CN217565977U - Door lock and washing apparatus - Google Patents

Abstract

The utility model relates to a lock and washing equipment, including spring bolt, two sliders and thrust unit. At least one of the two sliding pieces can slide relative to the other in the two spaced directions, the lock tongue can be inserted into a lock notch formed by the two sliding pieces at a spacing, and the sliding pieces can limit and prevent the lock tongue from exiting the lock notch along the direction opposite to the insertion direction. The pushing device directly or indirectly acts between the two sliding parts and is used for pushing the two sliding parts to the direction away from each other to the position where the distance between the two sliding parts can meet the requirement that the lock tongue exits the lock opening. When the door body needs to be opened, the pushing device is used for adjusting the distance between the two sliding pieces to be larger, and then the lock tongue is taken out of the locking opening. The bolt does not need to be pulled forcibly when the locking notch is small, and the bolt is taken out of the locking notch when the locking notch is large enough, so that the acting force required for opening the door is small.

Description

Door lock and washing apparatus

Technical Field

The utility model relates to a door lock technical field especially relates to lock and washing equipment.

Background

When the dishwasher washes dishes, a large amount of washing liquid is sprayed in the washing chamber, and the washing liquid is heated to a higher temperature in some modes, thereby improving washing efficiency. Based on this, when the dishwasher is in operation, it is necessary to ensure that the door body seals the washing chamber. The door body and the machine body are generally locked by a door lock, and the door body cannot be opened under the condition that the door lock is not unlocked. In order to ensure the reliability of locking between the door body and the machine body, all parts of the door lock are compactly matched, and acting force required to be applied when the door is opened is large, so that the door is inconvenient to open.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the great problem of required effort of applying when opening the door, provided a lock and washing equipment, earlier through thrust unit with the great position of two slider sliding paths interval when needs are opened the door, so make the spring bolt can more smooth and easy extract from the fore shaft, reduce the required effort of applying that opens the door.

A door lock, comprising:

a latch bolt;

two sliding pieces, at least one of which can slide relative to the other in the two spaced directions, the bolt can be inserted into a locking notch formed by the two sliding pieces at intervals, and the sliding pieces can limit and prevent the bolt from exiting the locking notch along the direction opposite to the insertion direction;

and the pushing device directly or indirectly acts between the two sliding parts and is used for pushing at least one sliding part to the direction away from the other sliding part, so that the space between the two sliding parts can meet the requirement that the lock tongue exits from the position of the lock opening.

The scheme provides a door lock, and when the lock tongue is inserted into the lock opening and is prevented by the sliding piece from exiting the lock opening, the door lock is in a locking state. When the door needs to be opened, the pushing device pushes the sliding parts to slide, so that the distance between the two sliding parts meets the requirement that the lock tongue exits from the lock opening, and then the lock tongue can smoothly exit. The bolt does not need to be pulled forcibly when the locking notch is small, and the bolt is taken out of the locking notch when the locking notch is large enough, so that the acting force required for opening the door is small.

In one embodiment, when the lock tongue is limited and prevented by the sliding part and cannot exit from the locking notch, the sliding part is limited in the exit direction of a part of the structure of the lock tongue, and the part of the structure of the lock tongue is a backstop part;

when the two sliding parts are in a locking state, the minimum width of the locking opening is smaller than the maximum width of the backstop part of the lock tongue;

the pushing device can push at least one sliding piece to a position where the minimum width of the locking notch is not less than the maximum width of the retaining part in a direction away from the other sliding piece.

In one embodiment, the door lock further comprises a lock seat, the two sliding pieces are arranged on the lock seat, at least one sliding piece is in sliding fit with the lock seat, and the sliding direction of the sliding piece in sliding fit with the lock seat is consistent with the interval direction of the two sliding pieces.

In one embodiment, the two sliding pieces are in sliding fit with the lock seat, and the two sliding pieces can move back and forth in the directions away from and close to each other;

the pushing device comprises a driving part and two transmission units, the two transmission units correspond to the two sliding parts one by one, and the transmission units are in transmission fit between the driving part and the corresponding sliding parts and are used for driving the corresponding sliding parts to move towards a direction far away from the other sliding part according to the movement of the driving part.

In one embodiment, the transmission unit comprises a first connecting rod, one end of the first connecting rod is hinged to the driving piece, the other end of the first connecting rod is hinged to the sliding piece, and the plane to which the first connecting rod moves is parallel to the spacing direction of the two sliding pieces.

In one embodiment, the driving member is slidably engaged with the lock holder, and a sliding direction of the driving member slidably engaged with the lock holder intersects with a sliding direction of the sliding member slidably engaged with the lock holder.

In one embodiment, the pushing device further includes a second connecting rod and a push rod, one end of the second connecting rod is hinged to the driving member, the other end of the second connecting rod is hinged to the push rod, a plane to which the second connecting rod belongs when the second connecting rod moves is parallel to a sliding direction of the driving member relative to the lock seat, the push rod is rotationally arranged relative to the lock seat by taking the first fixed shaft as a rotating shaft, the rotating shaft of the push rod hinged to the second connecting rod is a first movable shaft, and the first fixed shaft is parallel to the first movable shaft and is arranged in an ectopic manner.

In one embodiment, an elastic member is disposed between the lock base and the sliding member slidable relative to the lock base, and the elastic member is configured to provide an elastic restoring force to the sliding member in a direction approaching the other sliding member.

In one embodiment, the door lock further comprises a first sensing element, wherein the first sensing element is arranged corresponding to the bolt and is used for detecting whether the bolt is inserted into the lock opening and is limited by the sliding element to prevent the bolt from exiting the lock opening;

and/or the door lock further comprises a second sensing piece, wherein the second sensing piece is arranged corresponding to the sliding piece and used for detecting whether the sliding piece is positioned at a position capable of limiting and preventing the lock bolt from exiting the lock opening.

The washing equipment comprises an equipment body, a door body and the door lock, wherein the equipment body is provided with a washing cavity with an opening, the door body is arranged at the opening of the washing cavity in an openable and closable manner, one of the door body and the equipment body is provided with the lock tongue, and the other one of the door body and the equipment body is provided with two sliding parts.

According to the scheme, the door lock is used for locking the door body on the equipment body, so that the distance between the two sliding pieces can be enlarged by the aid of the pushing device when the door is opened, the bolt can exit conveniently, required acting force is small when the door body is opened, and convenience in opening the door of the washing equipment is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

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

FIG. 1 is a schematic structural diagram of a door lock according to the present embodiment;

FIG. 2 is a diagram illustrating the direction of force applied to various components of the door lock according to the present embodiment when the door lock is unlocked;

FIG. 3 is an exploded view of the door lock of the present embodiment;

FIG. 4 is a schematic structural view of a washing apparatus according to the present embodiment;

fig. 5 is a flowchart of a control method of the washing apparatus according to the present embodiment.

Description of reference numerals:

10. a door lock; 11. a latch bolt; 111. a backstop portion; 12. a slider; 121. a first inclined plane; 122. locking the opening; 123. a guide projection; 13. a pushing device; 131. a driving member; 1311. an assembly port; 132. a first link; 133. a second link; 134. a push rod; 135. a first movable shaft; 136. a second movable shaft; 137. a first fixed shaft; 14. a lock base; 141. a bottom case; 142. an upper cover; 143. a abdication opening is formed; 144. a first guide chute; 145. strip-shaped bulges; 146. a second guide chute; 15. an elastic member; 16. a first sensing member; 17. a second sensing member; 20. washing equipment; 21. an apparatus body; 211. a washing chamber; 22. a door body.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.

As shown in fig. 1 to 3, there is provided a door lock 10 including a latch 11 and two sliders 12.

At least one of the two slides 12 is slidable relative to the other in the direction of the spacing therebetween. Specifically, the slide member 12 is in a stationary state, and the other slide member 12 is movable back and forth in the direction of moving away from and moving closer to the other slide member 12 in the stationary state; alternatively, two sliding members 12 are provided to slide, and the two sliding members 12 can move back and forth in the directions approaching and departing from each other at the same time.

The bolt 11 can be inserted into a locking notch 122 formed by two sliders 12 at intervals, and the sliders 12 can limit and prevent the bolt 11 from exiting the locking notch 122 in the direction opposite to the insertion direction.

As shown in fig. 1, when the sliding member 12 is in the locked state, the sliding member 12 prevents the bolt 11 from being withdrawn from the locking notch 122, so that the door lock 10 can be reliably in the locked state. The pulling force required to forcibly pull the latch bolt 11 out of the locking notch 122 is large.

Based on this, further as shown in fig. 1 to 3, in an embodiment a door lock 10 is provided, said door lock 10 further comprising a pushing means 13. The pushing device 13 acts directly or indirectly between the two sliding pieces 12, and is used for pushing at least one sliding piece 12 away from the other sliding piece 12, so that the distance between the two sliding pieces 12 can satisfy the position where the lock tongue 11 exits the lock notch 122.

When only one of the sliding members 12 is movable, the pushing device 13 can push the sliding member 12 away from the other sliding member 12. When both the sliders 12 are movable, the pushing device 13 pushes both the sliders 12 away from each other at the same time.

When the door needs to be opened, as shown in fig. 2, the pushing device 13 pushes the sliding pieces 12 to slide, so that the distance between the two sliding pieces 12 is increased, the requirement that the lock tongue 11 exits from the locking notch 122 is met, and then the lock tongue 11 can exit more smoothly. The bolt 11 does not need to be pulled forcibly when the locking notch 122 is small, but the bolt 11 is taken out of the locking notch 122 when the locking notch 122 is large enough, so that the force required for opening the door is small.

Specifically, in some embodiments, as shown in fig. 1 to fig. 3, when the latch 11 is stopped by the sliding element 12 and cannot exit the locking notch 122, the sliding element 12 is stopped in the exiting direction of the part of the structure of the latch 11, and the part of the structure of the latch 11 is the stopping portion 111.

As shown in fig. 1, when the two sliders 12 are in a locked state, the minimum width of the locking notch 122 is smaller than the maximum width of the retaining portion 111 of the lock tongue 11. Therefore, the two sliding members 12 can provide an increased force for the bolt 11 to prevent the bolt from exiting the locking notch 122, so that the door lock 10 is more firmly locked.

When the door needs to be opened, as shown in fig. 2, the pushing device 13 can push at least one of the sliders 12 away from the other slider 12 to a position where the minimum width of the locking notch 122 is not less than the maximum width of the retaining portion 111.

When the distance between the two sliding members 12 satisfies that the minimum width of the locking notch 122 is not less than the maximum width of the retaining portion 111, the bolt 11 can be smoothly withdrawn from the locking notch 122.

As shown in fig. 2 and 3, in some embodiments, the surface of the sliding member 12 opposite to the other sliding member 12 is a first inclined surface 121, so that the width of the locking notch 122 is gradually reduced in the insertion direction of the locking tongue 11 into the locking notch 122.

When the locking tongue 11 is inserted into the locking notch 122, the part which enters the locking notch 122 first is the front end, and the width of the front end of the locking tongue 11 in the insertion direction is gradually reduced. In other words, the width of the portion of the latch 11 that is first inserted into the locking notch 122 is the smallest. The retaining portion 111 includes a front end of the latch bolt 11.

Further, in some embodiments, as shown in fig. 1 to 3, the door lock 10 further includes a lock base 14, two sliding members 12 are disposed on the lock base 14, and at least one sliding member 12 is slidably engaged with the lock base 14, wherein a sliding direction of the sliding member 12 slidably engaged with the lock base 14 is consistent with a spacing direction of the two sliding members 12.

The slider 12 slides relative to the lock housing 14 to change the spacing between the two sliders 12.

As shown in fig. 3, the lock base 14 includes a bottom shell 141 and an upper cover 142, the bottom shell 141 encloses a receiving cavity with an upper opening, and the two sliders 12 are located in the receiving cavity. When the upper cover 142 and the bottom case 141 are assembled together, an upper opening of the accommodating chamber of the upper cover 142 is covered.

As shown in fig. 3, a position of the bottom case 141 corresponding to the locking notch 122 is provided with a yielding opening 143, and the locking tongue 11 can be inserted into the locking notch 122 through the yielding opening 143 from outside the bottom case 141.

One of the lock base 14 and the sliding member 12 is provided with a guide protrusion 123, the other is provided with a first guide sliding groove 144, the guide protrusion 123 is slidably fitted in the first guide sliding groove 144, and the sliding direction of the guide protrusion 123 in the first guide sliding groove 144 is the same as the sliding direction of the sliding member 12 relative to the lock base 14.

Specifically, in one embodiment, as shown in fig. 1 to 3, the upper cover 142 is provided with the first guiding chute 144, and the sliding member 12 is provided with the guiding protrusion 123.

The cavity wall of the accommodating cavity is provided with a strip-shaped protrusion 145, the strip-shaped protrusion 145 and the cavity wall of the accommodating cavity enclose a sliding chute, the guiding direction of the sliding chute is consistent with the sliding direction of the sliding part 12 relative to the lock seat 14, and the sliding part 12 is slidably assembled in the sliding chute.

Further, as shown in fig. 1 to 3, both of the sliders 12 are slidably engaged with the lock base 14, and both of the sliders 12 can move back and forth in directions away from and toward each other.

As shown in fig. 1 to 3, in some embodiments, the pushing device 13 includes an active member 131 and two transmission units, the two transmission units correspond to the two sliding members 12 one by one, and the transmission units are engaged between the active member 131 and the corresponding sliding members 12 for driving the corresponding sliding members 12 to move away from the other sliding members 12 according to the movement of the active member 131. So that when the active member 131 moves, it can simultaneously carry the two sliding members 12 in directions away from each other.

Specifically, as shown in fig. 1 to 2, in an embodiment, the transmission unit includes a first link 132, one end of the first link 132 is hinged to the active member 131, the other end of the first link 132 is hinged to the sliding member 12, and a plane on which the first link 132 moves is parallel to a direction of spacing between the two sliding members 12.

When the driving member 131 moves, the first link 132 moves on a plane parallel to the spacing direction, and the sliding member 12 moves by the first link 132.

Further specifically, as shown in fig. 1 and fig. 2, the active member 131 is slidably engaged with the lock base 14, and a sliding direction of the active member 131 slidably engaged with the lock base 14 intersects with a sliding direction of the sliding member 12 slidably engaged with the lock base 14.

When the door needs to be opened, the driving member 131 moves toward the locking notch 122 as shown by an arrow in fig. 2, the two first connecting rods 132 rotate relative to the driving member 131, the included angle between the two first connecting rods 132 increases, and the distance between the two sliding members 12 increases.

As shown in fig. 2, in an embodiment, a sliding direction of the driving member 131 relative to the lock base 14 is perpendicular to a sliding direction of the sliding member 12 relative to the lock base 14.

As shown in fig. 1 to 3, an assembling hole 1311 is formed at one end of the driving member 131 close to the locking hole 122, the assembling hole 1311 divides the end of the driving member 131 into an upper limiting plate and a lower limiting plate, and one end of the first link 132, which is hinged to the driving member 131, is inserted into the assembling hole 1311. The pushing device 13 further includes a second movable shaft 136, and the second movable shaft 136 sequentially passes through the upper limiting plate, the two first connecting rods 132 and the lower limiting plate. The first link 132 is hinged to the driving member 131 by using the second movable shaft 136 as a rotation axis.

Two ends of the second movable shaft 136 are inserted into the lock seat 14, a second guiding sliding groove 146 is arranged at a position on the lock seat 14 corresponding to the two ends of the second movable shaft 136, and a guiding direction of the second guiding sliding groove 146 is parallel to a sliding direction of the driving part 131 relative to the lock seat 14.

Further, as shown in fig. 1 to 3, in some embodiments, the pushing device 13 further includes a second connecting rod 133 and a push rod 134, one end of the second connecting rod 133 is hinged to the driving member 131, the other end of the second connecting rod 133 is hinged to the push rod 134, and a plane in which the second connecting rod 133 moves is parallel to a direction in which the driving member 131 slides relative to the lock seat 14. The push rod 134 is rotatably disposed relative to the lock seat 14 by using a first fixed shaft 137 as a rotating shaft, the rotating shaft of the push rod 134 hinged to the second connecting rod 133 is a first movable shaft 135, and the first fixed shaft 137 is parallel to the first movable shaft 135 and disposed in different positions.

Under the angle shown in fig. 2, if the lower end of the push rod 134 is shifted in a direction away from the lock seat 14, the other end of the push rod 134 rotates in a direction approaching the lock notch 122, the second connecting rod 133 pushes the driving member 131 to slide in a direction approaching the lock notch 122 while rotating, the driving member 131 drives the two first connecting rods 132 to move when sliding, the angle between the two first connecting rods 132 increases, and the distance between the two sliding members 12 increases.

It should be noted that the first fixed shaft 137 is fixedly disposed relative to the lock seat 14, and if the lock seat 14 is disposed on the door body 22 of the washing device 20, the first fixed shaft 137 is also disposed on the door body 22 of the washing device 20, and the relative position between the first fixed shaft 137 and the lock seat 14 is kept unchanged.

Further, in some embodiments, as shown in fig. 3, an elastic member 15 is provided between the lock base 14 and the slider 12 slidable relative thereto, and the elastic member 15 is used for providing an elastic restoring force for the slider 12 to move in a direction approaching the other slider 12.

When the force acting on the pushing device 13 is removed, the slide member 12 can move in a direction approaching the other slide member 12 by the elastic member 15.

As shown in fig. 1 and 2, in some embodiments, the door lock 10 further includes a first sensing element 16, where the first sensing element 16 is disposed corresponding to the locking tongue 11 and is used for detecting whether the locking tongue 11 is inserted into the locking notch 122 and is limited by the sliding element 12 to prevent the locking tongue 11 from exiting the locking notch 122.

The door lock 10 further includes a second sensing member 17, where the second sensing member 17 is disposed corresponding to the slidable sliding member 12, and is used for detecting whether the sliding member 12 is in a position capable of limiting and preventing the lock tongue 11 from exiting the lock notch 122.

When the door lock 10 is applied to the washing apparatus 20, the start and stop of the washing process of the washing apparatus 20 may be controlled according to the detection results of the first sensing part 16 and the second sensing part 17.

Specifically, when the first sensing element 16 detects that the lock tongue 11 is inserted into the lock opening 122 and is stopped by the sliding element 12 to prevent the lock tongue 11 from exiting the lock opening 122, and the second sensing element 17 detects that the sliding element 12 is in a position capable of stopping to prevent the lock tongue 11 from exiting the lock opening 122, it is proved that the door lock 10 is reliably in the locked state, and then the washing apparatus 20 can perform a washing process.

When the first sensing element 16 detects that the lock tongue 11 is not inserted into the locking notch 122, and/or the second sensing element 17 detects that the sliding element 12 is not in a position capable of preventing the lock tongue 11 from exiting the locking notch 122, it is proved that the door lock 10 is not reliably in the locking state. It is possible that the bolt 11 is not inserted into the locking notch 122, or that the sliding members 12 are moved to a position where the bolt 11 can be easily pulled out, which is a larger distance between the two sliding members 12. At this time, the washing device 20 needs to stop the washing process to avoid the occurrence of scalding.

Further, as shown in fig. 4, in another embodiment, there is provided a washing apparatus 20, which includes an apparatus body 21, a door 22 and the door lock 10, wherein the apparatus body 21 is provided with a washing cavity 211 having an opening, the door 22 is provided at the opening of the washing cavity 211 in an openable and closable manner, one of the door 22 and the apparatus body 21 is provided with the latch 11, and the other is provided with two sliding members 12.

The door lock 10 in any of the above embodiments is adopted to lock the door 22 to the device body 21, so that when the door is opened, the pushing device 13 can be firstly utilized to increase the distance between the two sliding pieces 12, so that the bolt 11 can exit, the acting force required to be applied when the door 22 is opened is small, and the convenience of opening the door of the washing device 20 is improved. Here, the force required to open the door 22 is a force that pulls the door 22 against the apparatus body 21.

Specifically, in an embodiment, the lock holder 14, the pushing device 13 and the two sliding members 12 are disposed on the door 22, and the latch 11 is disposed on the equipment body 21.

In yet another embodiment, a control method of the washing apparatus 20 is provided. The washing apparatus 20 includes a lock tongue 11 and two sliders 12, at least one of the two sliders 12 being slidable relative to the other in a spaced direction therebetween, so that the two sliders 12 have a locked state and an unlocked state. The bolt 11 can be inserted into a locking notch 122 formed by two sliding pieces 12 at intervals, and the sliding pieces 12 in the locked state can limit and prevent the bolt 11 from exiting the locking notch 122 along the direction opposite to the insertion direction. When the two sliding members 12 are in the unlocked state, the bolt 11 can exit the locking notch 122 in the opposite direction of the insertion direction.

As shown in fig. 5, the control method includes the steps of:

the position where the lock tongue 11 is inserted into the lock notch 122 and is limited by the sliding piece 12 to prevent the lock tongue 11 from exiting the lock notch 122 is a first position, and whether the lock tongue 11 is in the first position is judged;

judging whether the two sliding parts 12 are in a locking state;

when the lock tongue 11 is in the first position and the two sliders 12 are in the locked state, controlling the washing device 20 to be in a washable state;

when the lock tongue 11 is not in the first position and/or the two sliders 12 are not in the locked state, the washing apparatus 20 is controlled to be in the non-washing state.

It is understood that the washing apparatus 20 is in the washable state only when the locking tongue 11 is in the first position and both of the sliders 12 are in the locked state, both conditions being satisfied. Once the slider 12 is moved out of the locked state and/or the latch bolt 11 exits the first position, the washing apparatus 20 is in a non-washable state and the washing apparatus 20 stops the washing process. However, when the door lock 10 is to be opened, firstly the sliding element 12 is moved into the unlocked state and secondly the bolt 11 is pulled out again. Once the sliding member 12 is not in the locked state, the washing device 20 is immediately adjusted to a non-washing state, and at this moment, the latch 11 is not completely pulled out of the locking notch 122, so that a certain reaction time is given to a washing device in the washing device 20, and the use safety is further improved.

Further, the control method of the washing apparatus 20 may be used in the washing apparatus 20 described in any of the above embodiments.

In some embodiments, the determining whether the lock tongue 11 is in the first position specifically includes the following steps:

and judging whether the bolt 11 is located at the first position according to the detection result of the first sensing piece 16.

The step of judging whether the two sliding members 12 are in the locking state specifically includes the following steps:

and judging whether the two sliding parts 12 are in a locking state or not according to the detection result of the second sensing part 17.

When the second sensing member 17 detects that the sliding member 12 is not in a position capable of limiting and preventing the bolt 11 from exiting the locking notch 122, the two sliding members 12 are not in a locked state. And on the contrary, the two sliding parts on the surface are in a locking state.

The control unit of the washing device 20 controls the start and stop of the washing process according to the detection results of the first sensing element 16 and the second sensing element 17.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element 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 "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A door lock, comprising:

a latch bolt;

the bolt can be inserted into a locking notch formed by the two sliding pieces at intervals, and the sliding pieces can limit and prevent the bolt from exiting the locking notch along the direction opposite to the insertion direction;

and the pushing device directly or indirectly acts between the two sliding parts and is used for pushing at least one sliding part to the direction away from the other sliding part, so that the space between the two sliding parts can meet the requirement that the lock tongue exits from the position of the lock opening.

2. The door lock of claim 1, wherein when the bolt is stopped by the sliding member and cannot exit the fore opening, the sliding member is stopped in an exiting direction of a part of the structure of the bolt, and the part of the structure of the bolt is a stopping part;

when the two sliding parts are in a locking state, the minimum width of the locking notch is smaller than the maximum width of the backstop part of the lock tongue;

the pushing device can push at least one sliding piece to a position where the minimum width of the locking notch is not less than the maximum width of the retaining part in a direction away from the other sliding piece.

3. The door lock of claim 1, further comprising a lock base, wherein the two sliding members are disposed on the lock base, and at least one of the sliding members is slidably engaged with the lock base, and the sliding direction of the sliding member in sliding engagement with the lock base is the same as the spacing direction of the two sliding members.

4. A door lock according to claim 3, wherein both of the sliders are slidably engaged with the lock case, the two sliders being movable back and forth in directions away from and toward each other;

the pushing device comprises a driving part and two transmission units, the two transmission units correspond to the two sliding parts one by one, and the transmission units are in transmission fit between the driving part and the corresponding sliding parts and are used for driving the corresponding sliding parts to move towards a direction far away from the other sliding part according to the movement of the driving part.

5. The door lock according to claim 4, wherein the transmission unit comprises a first connecting rod, one end of the first connecting rod is hinged to the active member, the other end of the first connecting rod is hinged to the sliding member, and a plane on which the first connecting rod moves is parallel to a spacing direction of the two sliding members.

6. The door lock of claim 4, wherein the active member is slidably engaged with the lock housing, and a sliding direction of the active member slidably engaged with the lock housing intersects with a sliding direction of the sliding member slidably engaged with the lock housing.

7. The door lock according to claim 6, wherein the pushing device further comprises a second connecting rod and a push rod, one end of the second connecting rod is hinged to the driving member, the other end of the second connecting rod is hinged to the push rod, the plane to which the second connecting rod moves is parallel to the sliding direction of the driving member relative to the lock base, the push rod is rotatably arranged relative to the lock base by using a first fixed shaft as a rotating shaft, the rotating shaft of the push rod hinged to the second connecting rod is a first movable shaft, and the first fixed shaft is parallel to the first movable shaft and is arranged in an ectopic position.

8. A door lock according to claim 3, wherein a resilient member is provided between the lock housing and the slider slidable relative thereto, the resilient member being adapted to provide a resilient return force to the slider in a direction towards the other slider.

9. The door lock according to any one of claims 1 to 8, further comprising a first sensing member, wherein the first sensing member is disposed corresponding to the latch tongue and is used for detecting whether the latch tongue is inserted into the locking notch and is limited by the sliding member to prevent the latch tongue from exiting the locking notch;

and/or, the door lock further comprises a second sensing piece, wherein the second sensing piece is arranged corresponding to the sliding piece in a sliding mode and used for detecting whether the sliding piece is located at a position where the sliding piece can limit and prevent the lock tongue from exiting the lock opening.

10. The washing equipment is characterized by comprising an equipment body, a door body and the door lock as claimed in any one of claims 1 to 9, wherein the equipment body is provided with a washing cavity with an opening, the door body is arranged at the opening of the washing cavity in an openable and closable manner, one of the door body and the equipment body is provided with the lock tongue, and the other one of the door body and the equipment body is provided with two sliding parts.

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