CN109162068B - Door lock for washing machine - Google Patents
Door lock for washing machine Download PDFInfo
- Publication number
- CN109162068B CN109162068B CN201811112649.7A CN201811112649A CN109162068B CN 109162068 B CN109162068 B CN 109162068B CN 201811112649 A CN201811112649 A CN 201811112649A CN 109162068 B CN109162068 B CN 109162068B
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- China
- Prior art keywords
- lock
- door
- cam
- unlocking
- circuit
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/12—Casings; Tubs
- D06F39/14—Doors or covers; Securing means therefor
Abstract
The invention provides a door lock for a washing machine, which belongs to the technical field of door locks and comprises a door hook and a lock shell, wherein the lock shell comprises a cam structure part, a lock catch, a first elastic part and an operation sliding block, the operation sliding block is connected in the lock shell in a sliding manner and is provided with a blocking structure, and the blocking structure is used for blocking a path of the lock catch moving towards a lock catch reset position under the action of the first elastic part, so that the lock catch is kept at a lock catch locking position; according to the door lock, the blocking structure is arranged on the operation sliding block, so that when the door hook is locked, the direct blocking can be formed on the lock catch, the lock catch is blocked at the lock catch locking position for locking the cam structural member at the cam locking position, the door hook is ensured to be locked safely, and the service life of the door lock is prolonged.
Description
Technical Field
The invention relates to the technical field of door locks, in particular to a door lock for a washing machine.
Background
The door lock in the full-automatic washing machine is used for locking the door cover of the washing machine and preventing clothes from being thrown out and water from splashing.
In above-mentioned lock, in order to prevent that the door lid is pressed the mistake once more and is opened in the laundry process, can block on the unblock slider through the stopper in the lock shell in the laundry process, the unblock slider is connected for rotating with the hasp that is used for the hook cam, through the location to the unblock slider, can many buckles carry out the spacing of indirect nature, make the hasp keep in the hook position to the cam, the hook that the cam breaks away from the hasp when preventing to press the door lid once more, the door lid is opened when avoiding the maloperation.
However, adopt above-mentioned scheme, because the stopper blocks the location for indirect to the hasp, the door closure through repeated back of pressing, if each subassembly in the lock shell sends not hard up slightly, just can produce the stopper and block unfavorable problem to the hasp to lead to easily that the door closure can't lock in laundry process.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that when the door lock of the washing machine in the prior art locks the lock catch, only the limit block is used for indirectly locking, and the long-term safe and effective work of the door lock cannot be ensured, so that the door lock for the washing machine can be used for additionally locking the lock catch when the door cover is locked.
In order to solve the above technical problems, the present invention provides a door lock for a washing machine, comprising,
a door hook adapted to be mounted on a door of the washing machine;
a lock case adapted to be mounted on a body of the washing machine and having a lock hole into which the door hook is inserted;
after the door hook is inserted into the lock hole towards the lock shell, the door hook is locked in the lock shell, and after the door hook is pushed towards the insertion direction of the lock hole again, the lock shell releases the locking of the door hook;
the lock shell comprises:
the cam structure part is rotatably arranged in the lock shell, is used for being matched with the door hook and is provided with a cam locking position for locking the door hook through rotation and a cam resetting position for unlocking the door hook;
the lock catch is rotationally connected in the lock shell, is used for being matched with the cam structural member and is provided with a lock catch locking position for locking the cam structural member in the cam locking position through rotation and a lock catch resetting position for releasing the locking of the cam structural member;
a first resilient member connected to the shackle and the lock housing for providing a biasing force for moving the shackle from the shackle locking position to the shackle reset position;
and the operating sliding block is connected in the lock shell in a sliding mode and is provided with a blocking structure, and the blocking structure is used for blocking a path of the lock catch moving towards the lock catch reset position under the action of the first elastic piece, so that the lock catch is kept at the lock catch locking position.
Preferably, the lock shell further comprises a lock body,
and the second elastic element is connected to the lock catch and the lock shell and is used for providing a biasing force for pressing the lock catch towards the cam structural part.
Preferably, the second resilient member is compressed between the shackle and the lock housing at an end of the shackle remote from the cam structure.
Preferably, the lock shell further comprises a lock body,
the circuit on-off actuating rod is rotatably connected in the lock shell and is provided with an actuating rod actuating position for driving the circuit of the door lock to be communicated through rotation and an actuating rod resetting position for releasing the circuit of the door lock from being communicated;
one end of the circuit on-off actuating rod is used for being matched with the cam structural member, the other end of the circuit on-off actuating rod is used for being matched with a contact piece of a door lock circuit, when the cam structural member rotates from the cam resetting position to the cam locking position, one end of the circuit on-off actuating rod is driven by the cam structural member to enable the circuit on-off actuating rod to rotate, the actuating rod is changed from the actuating rod resetting position to the actuating rod actuating position, and therefore the other end of the circuit on-off actuating rod drives the contact piece of the door lock circuit to move, and the circuit of the door lock is communicated.
Preferably, the lock shell further comprises a lock body,
and a third elastic member connected to the circuit on/off actuating lever and the lock case for providing a biasing force for moving the circuit on/off actuating lever from the actuating lever actuating position to the actuating lever reset position.
Preferably, the lock shell further comprises a lock body,
and the limiting block is slidably connected in the lock shell, is positioned on one side of the circuit on-off executing rod, and is provided with a limiting locking position for locking the circuit on-off executing rod at the executing position of the executing rod and a limiting releasing position for releasing the locking of the circuit on-off executing rod.
Preferably, an end of the circuit opening/closing actuating lever, which is engaged with the cam structure, has an inclined surface for blocking the cam structure, and the inclined surface indirectly prevents the door hook from being pulled out of the cam structure when the circuit opening/closing actuating lever is restricted at the actuating position of the actuating lever.
Preferably, the lock shell further comprises a lock body,
and the unlocking assembly is connected to the operating slide block and used for driving the lock catch to move so as to unlock the cam structural member by the lock catch.
Preferably, the unlocking assembly comprises a locking mechanism,
the unlocking piece is connected to the operating slide block;
the unlocking slide block is arranged in the lock shell in a sliding mode and is rotationally connected with the lock catch;
have the orientation on the unlocking piece the first inclined plane of unblock slider, the unlocking piece is along with the operation slider is in when sliding in the lock shell, first inclined plane with unblock slider cooperation, drive unblock slider orientation the hasp direction slides.
Preferably, the unlocking piece is slidably connected to the operating slider through a fourth elastic piece, and the unlocking piece is driven by the fourth elastic piece to maintain a drive preparation position capable of driving the unlocking slider on the operating slider;
after the unlocking piece slides on the operation sliding block in a manner of overcoming the biasing force of the fourth elastic piece, the unlocking piece can be moved to a driving end position where the unlocking sliding block cannot be driven.
Preferably, the unlocking slider has a sliding structure that is engaged with a first inclined surface of the unlocking member, and when the first inclined surface slides to the end along the sliding structure, the sliding structure can drive the unlocking member from the drive preparation position to the drive end position.
Preferably, the sliding structure comprises a sliding mechanism,
the second inclined surface is opposite to the first inclined surface and can drive the unlocking slide block to slide towards the locking direction through relative sliding with the first inclined surface;
the arc-shaped surface is connected to the tail end of the second inclined surface, so that the top end of the first inclined surface is in contact with the arc-shaped surface after the first inclined surface slides out of the second inclined surface;
the third inclined plane is connected at the tail end of the arc-shaped surface, is opposite to the first inclined plane, and can drive the unlocking piece to slide towards the driving end position through relative sliding of the first inclined plane.
The technical scheme of the invention has the following advantages:
1. according to the door lock for the washing machine, the blocking structure is arranged on the operation sliding block, so that the lock catch can be directly blocked when the door hook is locked, the lock catch is blocked at the lock catch locking position for locking the cam structural member at the cam locking position, the door hook is ensured to be safely locked, and the service life of the door lock is prolonged.
2. According to the door lock for the washing machine, the second elastic piece is arranged on the lock catch, so that the biasing force for pressing the lock catch towards the cam structural piece can be provided, the hooking force of the lock catch on the cam structural piece is increased, the effectiveness of locking the cam structural piece is guaranteed, and the service life of the door lock is prolonged by adding the second elastic piece.
3. According to the door lock for the washing machine, the second elastic piece is arranged between the lock catch and the lock shell in a compressed mode, and compared with the elastic pieces arranged in other modes, the service life of the second elastic piece can be prolonged by the aid of the compressed arrangement.
4. The invention provides a door lock for a washing machine, which is provided with a circuit on-off actuating rod which is rotatably arranged, and can enable a circuit of an electromagnetic mechanism in the door lock to be communicated after a door hook is inserted into a lock shell and to be disconnected after the door hook is pulled out of the lock shell, thereby effectively preventing the electromagnetic mechanism in the door lock from being operated by mistake when the door hook is not inserted into the lock shell.
5. The invention provides a door lock for a washing machine, which enables a circuit on-off actuating rod to keep a biasing force moving from an actuating rod actuating position to an actuating rod reset position through the connection of a third elastic piece and the circuit on-off actuating rod.
6. The invention provides a door lock for a washing machine, which is provided with a limiting block arranged in a lock shell in a sliding way, after a door hook is inserted into the lock shell, a circuit on-off executing rod moves to an executing rod executing position, and the limiting block can block one side of the circuit on-off executing rod through moving, so that the circuit on-off executing rod is locked at the executing rod executing position.
7. According to the door lock for the washing machine, in the execution position of the execution rod, one end of the circuit on-off execution rod matched with the cam structural member blocks the cam structural member, and the door hook is indirectly prevented from being pulled out by preventing the cam structural member from rotating.
8. The door lock for the washing machine provided by the invention is provided with the unlocking assembly, and the unlocking assembly is driven to unlock the lock catch in the moving process that the operation sliding block releases the blocking of the lock catch.
9. The unlocking assembly for unlocking the door lock of the washing machine comprises an unlocking piece and an unlocking slide block, wherein the unlocking piece is connected to the operating slide block, the unlocking slide block is connected to the lock catch, and the unlocking slide block slides through the relative movement of the unlocking piece and the unlocking slide block, so that the lock catch is driven to move towards the position for unlocking a cam structural member, and the door lock is unlocked.
10. According to the door lock for the washing machine, the unlocking piece of the unlocking assembly is in sliding connection with the operation sliding block, the fourth elastic piece is arranged between the unlocking piece and the operation sliding block, the unlocking piece is kept at the driving preparation position capable of driving the unlocking sliding block through the biasing force of the fourth elastic piece, and the unlocking piece can drive the unlocking sliding block to move along with the movement of the operation sliding block at the driving preparation position, so that the lock catch is unlocked.
11. The invention provides a door lock for a washing machine, wherein a sliding structure is arranged on an unlocking slide block of an unlocking component and is used for being matched with an unlocking piece, when a first inclined plane of the unlocking piece slides on the sliding structure, the unlocking piece can drive the unlocking slide block to move towards a lock catch in the sliding process, when the unlocking piece slides to the tail end of the sliding structure, the unlocking piece is driven by the sliding structure to enter a driving ending position, so that the unlocking piece cannot drive the unlocking slide block until the unlocking piece moves to the starting end position of the sliding structure under the driving of an operating slide block, and the sliding structure removes the driving of the unlocking piece, so that the unlocking piece can be recovered to a driving preparation position.
12. The invention provides a door lock for a washing machine.A sliding structure on an unlocking sliding block comprises a second inclined plane, an arc-shaped plane and a third inclined plane, wherein the second inclined plane is used for driving the unlocking sliding block to slide towards the locking direction in the process of relative sliding with a first inclined plane of an unlocking piece so as to unlock a cam structural part; the function of the arc-shaped surface is to provide a slide way for the first inclined surface to move from the driving preparation position to the driving end position; finally, the third slope is used for driving the unlocking piece to move from the driving preparation position to the driving end position, so that the unlocking piece enters the lower part of the sliding structure.
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 schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the inside of the lock case.
Figure 3 shows a top view of the internal structure of the lock housing.
Fig. 4 is a sectional view taken along line a-a of area C in fig. 3.
Fig. 5 is a schematic perspective view of the inside of the lock case when the washing machine is in operation.
Fig. 6 is a top view of the unlocking member of fig. 5 in a drive ready position.
Fig. 7 is a plan view of the unlocking member entering the drive end position after the traveling slider is moved to unlock the lock.
Fig. 8 is a schematic perspective view of the unlocking member and the unlocking slider.
Fig. 9 is a schematic perspective view of the unlocking slider.
Fig. 10 is a top view of the unlocking member engaged with the running slider.
Fig. 11 is a sectional view taken along line B-B in fig. 10.
Fig. 12 is a schematic perspective view of the circuit on/off actuator in cooperation with the cam structure when the actuator is in the actuator reset position.
Fig. 13 is a schematic perspective view of the circuit on/off actuator in cooperation with the cam structure when the actuator is in the actuator position.
Fig. 14 is a schematic perspective view of the structure of fig. 13 after rotating a certain angle.
Fig. 15 is a schematic perspective view of the circuit on-off actuating lever in the actuating position and the stopper.
Fig. 16 is a bottom view of the circuit on/off actuating lever in the actuating position in cooperation with the stopper.
Description of reference numerals:
1. a door hook; 2. a lock case; 021. a lock hole; 3. a cam structure; 4. locking; 5. a first elastic member; 6. operating the sliding block; 061. a barrier structure; 7. a second elastic member; 8. a circuit on-off actuating lever; 081. an inclined surface; 9. a third elastic member; 10. a limiting block; 11. unlocking the lock; 111. a first inclined plane; 12. unlocking the slide block; 121. a second inclined plane; 122. an arc-shaped surface; 123. a third inclined plane; 13. and a fourth elastic member.
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 embodiment provides a door lock, which is used for being installed on a washing machine door and comprises a door hook 1 and a lock shell 2, wherein the door hook 1 is suitable for being installed on the washing machine door, the lock shell 2 is suitable for being installed on a washing machine body, and a lock hole 021 for inserting the door hook 1 is formed in the lock shell 2; after the door hook 1 is inserted into the lock hole 021 toward the lock case 2, the door hook 1 is locked in the lock case 2, and after the door hook 1 is pushed toward the direction of inserting the lock hole 021 again, the lock case 2 releases the locking of the door hook 1.
Specifically, the lock case 2 includes therein a cam structure 3, a latch 4, a first elastic member 5 and an operating slider 6. The cam structural part 3 is rotatably arranged in the lock shell 2, is used for being matched with the door hook 1, and has a cam locking position for locking the door hook 1 through rotation and a cam resetting position for unlocking the door hook 1;
the lock catch 4 is rotatably connected in the lock shell 2, is used for being matched with the cam structural part 3, and has a lock catch locking position for locking the cam structural part 3 in the cam locking position through rotation and a lock catch resetting position for releasing the locking of the cam structural part 3;
the first elastic member 5 may be a spring connected to the lock catch 4 and the lock case 2 for providing a biasing force to move the lock catch 4 from the lock catch locking position to the lock catch resetting position;
the operating slider 6 is slidably connected inside the lock case 2 and has a blocking structure 061, which is used to block the path of the movement of the lock catch 4 toward the lock catch return position under the action of the first resilient member 5, so that the lock catch 4 is held in the lock catch locking position.
Principle of operation
After the door hook 1 is inserted into the lock hole 021 for the first time, the cam structural part 3 in the lock shell 2 rotates, the door hook 1 is clamped in the cam structural part 3, meanwhile, the lock catch 4 in contact with the cam structural part 3 is clamped into the cam structural part 3 along with the rotation of the cam structural part 3, the cam structural part 3 cannot rotate after being clamped, and therefore the door hook 1 is locked into the lock hole 021; however, the locking is unstable, and after the door hook 1 is inserted into the lock hole 021 for the second time, the latch 4 will be separated from the cam structure 3 under the action of the first elastic element 5, so as to release the locking of the cam structure 3, and the door hook 1 will be ejected from the cam structure 3; when the washing machine works, in order to avoid the situation, the operation sliding block 6 is provided with the blocking structure 061, the blocking structure 061 is enabled to move along with the operation sliding block 6 after the operation sliding block 6 is driven before the washing machine works, and then the lock catch 4 is blocked on a path from the lock catch locking position to the lock catch reset position, so that the lock catch 4 is kept at the lock catch locking position and cannot be driven to move by the first elastic piece 5, and the door is guaranteed to be pushed for many times and cannot pop out the door hook 1 when the washing machine works.
As a modified embodiment, the lock case 2 further comprises a second elastic member 7, and the second elastic member 7 is connected to the lock catch 4 and the lock case 2 for providing a biasing force for pressing the lock catch 4 toward the cam structure 3.
In particular, the second elastic element 7 is compressed between the shackle 4 and the lock housing 2, at the end of the shackle 4 remote from the cam structure 3.
Principle of operation
After the door hook 1 is inserted into the lock hole 021, the lock catch 4 is clamped on the cam structural member 3 to form locking, under the biasing force of the first elastic member 5, the lock catch 4 has the potential energy for pressing the cam structural member 3 and moving towards the lock catch reset position, however, the biasing force provided by the first elastic member 5 enables the direction in which the lock catch 4 presses the cam structural member 3 to be not vertical to the cam structural member 3, but has a certain inclination in order to ensure that the lock catch 4 can smoothly move to the lock catch reset position, so that the effect of pressing the lock catch 4 towards the cam structural member 3 is not good; after the second elastic element 7 is increased or decreased, the biasing force for making the lock catch 4 vertically face the cam structure 3 can be additionally increased, and the locking effect on the cam structure 3 is increased, so that the service life of the door lock is prolonged.
As a modified embodiment, the lock shell 2 further comprises a circuit on-off actuating rod 8, a third elastic element 9 and a limiting block 10.
The circuit on-off actuating rod 8 is rotationally connected in the lock shell 2 and is provided with an actuating rod actuating position for driving the circuit of the door lock to be communicated through rotation and an actuating rod resetting position for releasing the circuit of the door lock from being communicated; specifically, one end of the circuit on-off actuating lever 8 is used for being matched with the cam structural member 3, and the other end of the circuit on-off actuating lever is used for being matched with a contact piece of the door lock circuit, when the cam structural member 3 rotates from the cam reset position to the cam locking position, one end of the circuit on-off actuating lever 8 is driven by the cam structural member 3, so that the circuit on-off actuating lever 8 rotates and is converted to the actuating lever actuating position from the actuating lever reset position, and therefore the other end of the circuit on-off actuating lever 8 drives the contact piece of the door lock circuit to move, and the circuit of the door lock is communicated.
The third resilient member 9 is connected to the circuit on/off actuating lever 8 and the lock housing 2 for providing a biasing force for moving the circuit on/off actuating lever 8 from the actuating lever actuating position to the actuating lever reset position.
The limiting block 10 is slidably connected in the lock case 2, is located on one side of the circuit on-off actuating rod 8, and has a limiting locking position for locking the circuit on-off actuating rod 8 at the actuating rod actuating position and a limiting releasing position for releasing the locking of the circuit on-off actuating rod 8.
Specifically, the end of the on-off circuit actuating lever 8 that engages with the cam structure 3 has an inclined surface 081 for blocking the cam structure 3, and when the on-off circuit actuating lever 8 is restricted to the actuating lever actuating position, the inclined surface 081 can indirectly prevent the door hook 1 from being pulled out of the cam structure 3.
Principle of operation
Before the door hook 1 is not inserted into the lock hole 021, the circuit on-off actuating rod 8 is in an actuating rod reset position under the action of the biasing force of the third elastic piece 9, and at the moment, a contact piece of a door lock circuit is not touched and is in a disconnected state; when the door hook 1 is inserted into the lock hole 021, the cam structural member 3 rotates, so that the circuit on-off actuating rod 8 is driven to rotate by overcoming the biasing force of the third elastic member 9, and the other end of the circuit on-off actuating rod 8 touches a contact piece of the door lock circuit to communicate the door lock circuit; by the arrangement, the door lock can be prevented from being operated by misoperation in a state that the door is not closed, and the door lock circuit is in a disconnected state in a door opening state, so that an electromagnetic mechanism in the door lock cannot be electrically operated, and the door lock cannot be locked without any reason.
As a modified embodiment, the lock case 2 further comprises an unlocking assembly connected to the operating slider 6 for driving the lock catch 4 to move, so as to unlock the cam structure 3 from the lock catch 4.
Specifically, the unblock subassembly includes unblock piece 11 and unblock slider 12, unblock piece 11 is connected on the operation slider 6, unblock slider 12 slides and sets up in the lock shell 2, and with hasp 4 rotates to be connected.
Have the orientation on the unlocking piece 11 unblock slider 12's first inclined plane 111, unlocking piece 11 is along with operation slider 6 is in when sliding in the lock shell 2, first inclined plane 111 with unblock slider 12 cooperates, drives unblock slider 12 orientation 4 directions of hasp slide.
The unlocking part 11 is slidably connected to the operating slider 6 through a fourth elastic part 13, and the unlocking part 11 maintains a drive preparation position capable of driving the unlocking slider 12 on the operating slider 6 under the drive of the fourth elastic part 13.
After the unlocking member 11 is slid on the operation slider 6 against the biasing force of the fourth elastic member 13, the unlocking member 11 can be moved to a driving end position where the unlocking slider 12 cannot be driven.
Principle of operation
The unlocking assembly is used for automatically popping the door lock open through the driving of electromagnetic force after the washing machine finishes working, wherein the unlocking piece 11 moves under the action of the electromagnetic force along with the operation sliding block 6, the unlocking sliding block 12 is matched with the unlocking piece 11, the unlocking piece 11 drives the unlocking sliding block 12 to move, the other end of the unlocking sliding block 12 is connected with the lock catch 4, the unlocking sliding block 12 drives the lock catch 4 to be separated from locking the cam structural part 3, and therefore the cam structural part 3 pops out the door hook 1.
As a modified embodiment, the unlocking slider 12 has a sliding structure which is matched with the first inclined surface 111 of the unlocking member 11, and when the first inclined surface 111 slides to the end along the sliding structure, the sliding structure can drive the unlocking member 11 from the driving preparation position to the driving end position.
Specifically, the sliding structure includes a second inclined surface 121, an arc-shaped surface 122, and a third inclined surface 123. The second inclined surface 121 is opposite to the first inclined surface 111, and the unlocking slider 12 can be driven to slide toward the direction of the lock catch 4 by sliding relative to the first inclined surface 111.
The arc-shaped surface 122 is connected to the end of the second inclined surface 121, so that the top end of the first inclined surface 111 contacts with the arc-shaped surface 122 after the first inclined surface 111 slides out of the second inclined surface 121.
The third inclined surface 123 is connected to the end of the arc-shaped surface 122, is opposite to the first inclined surface 111, and can drive the unlocking member 11 to slide toward the driving end position by sliding relative to the first inclined surface 111.
Principle of operation
In the process that the unlocking piece 11 drives the unlocking slider 12, the first inclined surface 111 on the unlocking piece 11 firstly slides along the second inclined surface 121 on the unlocking slider 12, so that the unlocking slider 12 is driven to move towards the direction of the lock catch 4, when the first inclined surface 111 slides to the tail end of the second inclined surface 121, the top end of the first inclined surface 111 contacts with the arc-shaped surface 122, the unlocking piece 11 continuously moves so that the first inclined surface 111 contacts with the third inclined surface 123 on the unlocking slider 12, and under the common guide of the third inclined surface 123 and the arc-shaped surface 122, the unlocking piece 11 moves on the operating slider 6 to enter the driving end position; when the unlocking member 11 moves back along with the operating slider 6, the unlocking member 11 is located at the bottom of the unlocking slider 12, and does not drive the unlocking slider 12 until the unlocking member 11 reenters the starting end of the second inclined surface 121 on the unlocking slider 12, and the unlocking member 11 moves on the operating slider 6 to return to the drive preparation position under the biasing force of the fourth elastic member 13.
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 (12)
1. A door lock for a washing machine, comprising,
a door hook (1) adapted to be mounted on a washing machine door;
a lock case (2) adapted to be mounted on a washing machine body, having a lock hole (021) into which the door hook (1) is inserted;
after the door hook (1) is inserted into the lock hole (021) towards the lock shell (2), the door hook (1) is locked in the lock shell (2), and after the door hook (1) is pushed towards the insertion direction of the lock hole (021) again, the lock shell (2) releases the locking of the door hook (1);
characterized in that, include in the lock shell (2):
the cam structure part (3) is rotatably arranged in the lock shell (2) and is used for being matched with the door hook (1), and the cam structure part has a cam locking position for locking the door hook (1) through rotation and a cam resetting position for releasing the locking of the door hook (1);
the lock catch (4) is rotatably connected in the lock shell (2), is used for being matched with the cam structural part (3), and has a lock catch locking position for locking the cam structural part (3) in the cam locking position through rotation and a lock catch resetting position for releasing the locking of the cam structural part (3);
a first resilient member (5) connected to the shackle (4) and the lock housing (2) for providing a biasing force for moving the shackle (4) from the shackle locking position to the shackle resetting position;
and the operating slider (6) is slidably connected in the lock shell (2) and is provided with a blocking structure (061), and the blocking structure (061) is used for blocking a path of the lock catch (4) moving towards the lock catch reset position under the action of the first elastic piece (5), so that the lock catch (4) is kept at the lock catch locking position.
2. Door lock according to claim 1, characterized in that the lock housing (2) further comprises,
a second spring element (7) connected to the shackle (4) and the lock housing (2) for providing a biasing force for pressing the shackle (4) towards the cam structure (3).
3. A door lock according to claim 2, characterized in that the second spring element (7) is compressed between the catch (4) and the lock housing (2) at the end of the catch (4) remote from the cam formation (3).
4. Door lock according to claim 1, characterized in that the lock housing (2) further comprises,
the circuit on-off actuating lever (8) is rotatably connected in the lock shell (2) and is provided with an actuating lever actuating position for driving the circuit of the door lock to be communicated through rotation and an actuating lever resetting position for releasing the circuit of the door lock from being communicated;
one end of the circuit on-off actuating rod (8) is used for being matched with the cam structural part (3), the other end of the circuit on-off actuating rod is used for being matched with a contact piece of the door lock circuit, when the cam structural part (3) rotates to the cam locking position from the cam resetting position, one end of the circuit on-off actuating rod (8) is driven by the cam structural part (3), the circuit on-off actuating rod (8) rotates, the actuating rod is changed to the actuating rod actuating position from the actuating rod resetting position, and therefore the other end of the circuit on-off actuating rod (8) drives the contact piece of the door lock circuit to move, and the circuit of the door lock is communicated.
5. Door lock according to claim 4, characterized in that the lock housing (2) further comprises,
a third resilient member (9) connected to said circuit on/off actuating lever (8) and said lock housing (2) for providing a biasing force for moving said circuit on/off actuating lever (8) from said actuating lever actuating position to said actuating lever reset position.
6. Door lock according to claim 5, characterized in that the lock housing (2) further comprises,
and the limiting block (10) is connected in the lock shell (2) in a sliding manner, is positioned on one side of the circuit on-off executing rod (8), and is provided with a limiting locking position for locking the circuit on-off executing rod (8) at the executing position of the executing rod and a limiting releasing position for releasing the locking of the circuit on-off executing rod (8).
7. Door lock according to claim 6, characterized in that the end of the on/off circuit actuating lever (8) that cooperates with the cam formation (3) has an inclined surface (081) for blocking the cam formation (3), said inclined surface (081) being able to indirectly prevent the door hook (1) from being pulled out of the cam formation (3) when the on/off circuit actuating lever (8) is constrained in the actuating lever actuating position.
8. Door lock according to claim 1, characterized in that the lock housing (2) further comprises,
and the unlocking assembly is connected to the operating slide block (6) and is used for driving the lock catch (4) to move so as to release the lock of the lock catch (4) on the cam structural part (3).
9. The door lock of claim 8, wherein the unlocking assembly comprises,
the unlocking piece (11) is connected to the running sliding block (6);
the unlocking slide block (12) is arranged in the lock shell (2) in a sliding mode and is rotationally connected with the lock catch (4);
have the orientation on unblock piece (11) unblock first inclined plane (111) of slider (12), unblock piece (11) are along with operation slider (6) are in when sliding in lock shell (2), first inclined plane (111) with unblock slider (12) cooperation, drive unblock slider (12) orientation hasp (4) direction is slided.
10. A door lock according to claim 9, characterized in that the unlocking member (11) is slidably connected to the running slider (6) by a fourth elastic member (13), and the unlocking member (11) is held in a drive ready position on the running slider (6) in which the unlocking slider (12) can be driven, by the fourth elastic member (13);
after the unlocking piece (11) slides on the operation sliding block (6) against the biasing force of the fourth elastic piece (13), the unlocking piece (11) can be moved to a driving end position where the unlocking sliding block (12) cannot be driven.
11. A door lock according to claim 10, characterized in that the unlocking slider (12) has a sliding structure thereon which cooperates with the first inclined surface (111) of the unlocking member (11), the sliding structure being capable of driving the unlocking member (11) from the drive-ready position into the drive-end position when the first inclined surface (111) slides to the end along the sliding structure.
12. The door lock of claim 11, wherein the sliding structure comprises,
the second inclined surface (121) is opposite to the first inclined surface (111), and the unlocking slide block (12) can be driven to slide towards the direction of the lock catch (4) through relative sliding with the first inclined surface (111);
the arc-shaped surface (122) is connected to the tail end of the second inclined surface (121), so that after the first inclined surface (111) slides out of the second inclined surface (121), the top end of the first inclined surface (111) is in contact with the arc-shaped surface (122);
and the third inclined surface (123) is connected to the tail end of the arc-shaped surface (122), is opposite to the first inclined surface (111), and can drive the unlocking piece (11) to slide towards the driving end position through relative sliding with the first inclined surface (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811112649.7A CN109162068B (en) | 2018-09-21 | 2018-09-21 | Door lock for washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811112649.7A CN109162068B (en) | 2018-09-21 | 2018-09-21 | Door lock for washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109162068A CN109162068A (en) | 2019-01-08 |
| CN109162068B true CN109162068B (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811112649.7A Active CN109162068B (en) | 2018-09-21 | 2018-09-21 | Door lock for washing machine |
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| Country | Link |
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| CN (1) | CN109162068B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110079978B (en) * | 2019-06-11 | 2021-03-26 | 温州天健电器有限公司 | Cam assembly of pressing type door lock, pressing type door lock and washing machine |
| CN110541627B (en) * | 2019-09-11 | 2020-11-17 | 温州天健电器有限公司 | Push type lock and washing machine with same |
| CN111911009B (en) * | 2020-09-17 | 2021-11-23 | 温州天健电器有限公司 | Door lock forced locking structure and door lock with same |
| CN113914073B (en) * | 2021-11-18 | 2024-01-30 | 温州天健电器有限公司 | Door lock with unloading structure and washing machine with door lock |
| CN113914074B (en) * | 2021-11-18 | 2024-01-30 | 温州天健电器有限公司 | Sliding block type door lock and washing machine with same |
| CN114182494B (en) * | 2022-01-05 | 2024-01-26 | 温州天健电器有限公司 | Double-coil automatic door lock and washing machine with same |
| CN114855424B (en) * | 2022-06-16 | 2023-11-10 | 温州天健电器有限公司 | Unlocking structure, door lock and washing machine with door lock |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4754413B2 (en) * | 2006-06-01 | 2011-08-24 | 三井金属アクト株式会社 | Actuator unit |
| CN104179405B (en) * | 2014-08-08 | 2016-10-12 | 上海恩坦华汽车门系统有限公司 | Automobile side-door electric door lock |
| CN104453402B (en) * | 2014-11-27 | 2017-10-13 | 东莞市怡丰锁业有限公司 | A kind of compact coded lock |
| CN107245846B (en) * | 2017-08-10 | 2019-02-12 | 温州天健电器有限公司 | A kind of door lock rotating device and the door lock of washing machine with it |
| CN107904866B (en) * | 2017-12-04 | 2020-01-03 | 温州天健电器有限公司 | Washing machine door lock |
| CN108457531A (en) * | 2018-03-02 | 2018-08-28 | 江苏圣龙智能科技有限公司 | The monoblock type lock controller of high safety performance |
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2018
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| CN109162068A (en) | 2019-01-08 |
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