CN215949159U - Double-layer door lock structure for small cooking appliance and small cooking appliance comprising same - Google Patents
Double-layer door lock structure for small cooking appliance and small cooking appliance comprising same Download PDFInfo
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- CN215949159U CN215949159U CN202121326650.7U CN202121326650U CN215949159U CN 215949159 U CN215949159 U CN 215949159U CN 202121326650 U CN202121326650 U CN 202121326650U CN 215949159 U CN215949159 U CN 215949159U
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Abstract
The utility model relates to a double-layer door lock structure for small cooking appliances, which comprises a door body lock piece, a box body lock piece and a door lock trigger piece, wherein the door body lock piece is provided with a pair of acute angle lock hooks; under the last state of unblanking, the acute angle latch hook upwards breaks away from the lock finger thereby makes and outwards pulls away from the box body door body and acute angle latch hook through the catch. The utility model also relates to a small household cooking appliance which is provided with the double-layer door lock structure.
Description
Technical Field
The utility model relates to the technical field of small household appliances for cooking, in particular to a double-layer door lock structure for the small household appliances for cooking and the small household appliances for cooking with the double-layer door lock structure.
Background
Small cooking appliances such as microwave ovens and ovens on the market are usually provided with a door lock, the door lock comprises a lock hook installed in a door body and a lock finger installed in the box body, and the lock hook and the lock finger are matched to enable a locking surface on the lock hook to slide outwards relative to the lock finger under the action of door body pulling force and finally break away from the constraint of the lock finger when a door body is pulled away from the box body by pulling a door handle.
This door lock has a safety hazard: when the small cooking appliance is cooking food, for example, microwave heating or oven baking, children or old people who are ill in condition may pull the door handle to open the door at the moment, and once the condition occurs, the risk of injury of the children or the old people is increased.
SUMMERY OF THE UTILITY MODEL
Therefore, it would be advantageous to provide a double-layer door lock structure for small household cooking appliances, which can fundamentally prevent people from being injured by mistakenly pulling the door body, and a small household cooking appliance comprising the same.
To achieve the above object, according to an aspect of the present invention, there is provided a double door lock structure for a small cooking appliance, comprising:
the door body locking piece is suitable for being installed in a door body of the small cooking appliance in a vertically sliding mode, and a pair of acute angle locking hooks are arranged on the door body locking piece;
the box body locking piece is suitable for being fixedly arranged in a box body of the small cooking appliance, and a pair of locking fingers are arranged on the box body locking piece;
a door lock trigger adapted to be pivotally mounted within a door handle of the door body to rotate between a natural resting state and a trigger unlocked state, the door lock trigger comprising a manual trigger end and a trigger actuation end, wherein,
the manual trigger end is arranged to be exposed on the inner side of the door handle, and the trigger execution end is arranged to extend into the door body to be matched with the door body locking piece, so that when the door lock trigger piece rotates between a natural reset state and a trigger unlocking state, the door body locking piece can slide up and down between a lower locking state and an upper unlocking state, and in the lower locking state, the lock finger is just positioned in the acute-angle lock hook so that the door body is locked on the box body; in this upper unlocked state, the acute angle shackle is disengaged upwards from the lock fingers thereby forming an obstacle in the path along which the acute angle shackle is pulled outwards so that the door body and the acute angle shackle can be pulled outwards from the cabinet by means of the door handle.
Further, the door lock trigger piece also comprises a middle body part positioned between the manual trigger end and the trigger execution end, the door lock trigger piece is pivotally arranged in the door handle through a rotating shaft in the middle body part, a lower trigger groove is arranged on the door body locking piece, an upper trigger head is formed at the tail end of the trigger execution end of the door lock trigger piece, and the upper trigger head and the lower trigger groove are arranged to be always in an engaged state in the process that the door lock trigger piece rotates around the rotating shaft.
Or the door lock trigger further comprises a middle body part positioned between the manual trigger end and the trigger execution end, the door lock trigger is pivotally arranged in the door handle through a rotating shaft in the middle body part, a trigger piece is formed at the lower end of the door body locking piece, a trigger groove is formed at the tail end of the trigger execution end, and the trigger piece and the trigger groove are arranged to be always in an engaged state in the process that the door lock trigger rotates around the rotating shaft.
Furthermore, the lock fingers are arranged in an upward inclined manner from outside to inside, the acute angle lock hook is provided with a vertical lock face and a lock finger parallel face forming an acute angle with the vertical lock face, and when the door body lock piece is in a lower locking state, the lower end of the vertical lock face is positioned below the tail ends of the lock fingers; when the door body locking piece is in an upper unlocking state, the lower end of the vertical locking surface is positioned above the tail end of the locking finger.
Still further, the rotating shaft passes through the middle body part to be installed, and the trigger execution end is arc-shaped.
Still further, above-mentioned double-deck door lock structure still includes reset spring, and this reset spring one end is suitable for to be fixed in the door body, the other end is connected with a body latch fitting to can help a body latch fitting from the state of unblanking reset to the lock state down.
Still further, the door handle includes a handle body and a handle cover, the door lock trigger is pivotally mounted in the handle body, and the handle cover is provided with an upper opening for entering and exiting the manual trigger end and a lower opening for triggering the actuating end to move freely therethrough.
According to another aspect of the present invention, there is provided a small cooking appliance including the double-layer door lock structure for a small cooking appliance as described above.
Compared with the prior art, the utility model has the following advantages: be provided with twice lock structure, first lock structure includes that the lock triggers piece and a door body latch fitting, and the lock structure that the second was said includes a door body latch fitting and box latch fitting. When needs unblock, only pulling the doorknob can't open the door body, only press the manual trigger end of lock trigger earlier to doorknob inside for thereby the door body latch fitting is by the trigger execution end of lock trigger upwards jack-up acute angle latch hook break away from the lock of box latch fitting and indicate, and the outside pulling door body of rethread doorknob just can finally pull the door body away from the box.
These and other aspects of the utility model are apparent from and will be elucidated with reference to the embodiments described hereinafter.
Drawings
The structure and further objects and advantages of the present invention will be better understood by the following description taken in conjunction with the accompanying drawings, in which like reference characters identify like elements, and in which:
fig. 1 is a schematic structural view of a double-layer door lock structure for a small cooking appliance applied to the small cooking appliance according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1 with the door latch trigger in a naturally home position and the door latch in a down locked position;
FIG. 3 is an enlarged view of a portion of the structure of FIG. 2;
fig. 4 is a schematic structural view of the double-layer door lock structure for the small cooking appliance shown in fig. 1, which is applied to the small cooking appliance and is in another state;
FIG. 5 is an enlarged view of a portion of the structure of FIG. 4;
fig. 6 is a perspective view of a door body locking member of the double-layered door lock structure for the small cooking appliance of fig. 1;
fig. 7 is an exploded perspective view of a door lock trigger of the double-layer door lock structure for the small cooking appliance shown in fig. 1 and a door handle matched with the door lock trigger.
Detailed Description
Embodiments of the present invention will be described below with reference to the accompanying drawings.
The "small cooking appliance" as referred to herein means a small appliance such as a microwave oven, an oven, or the like, which cooks food in a heated state such as a high temperature, and which may cause injury to a human body if a door body is abnormally opened in a cooking state.
As shown in fig. 1 to 6, the double-layered door lock structure for small household cooking appliances according to one embodiment of the present invention includes a door body locker 1, a cabinet locker 3, and a door lock trigger 5. The door body locking piece 1 is suitable for being installed in a door body 101 of a small cooking appliance 100 (a microwave oven is taken as an example in the embodiment) in a vertically sliding manner, and a pair of acute angle locking hooks 10 are arranged on the door body locking piece 1; the cabinet locking part 3 is adapted to be fixedly installed in a cabinet 103 of the small cooking appliance 100, and a pair of locking fingers 30 are provided on the cabinet locking part 3; the door lock trigger 5 is adapted to be pivotally mounted within a door handle 102 of the door body 101 for rotation between a natural resting state (see fig. 2 and 3) and a trigger unlocked state (see fig. 4 and 5).
As best shown in fig. 3 and 5, and with reference to fig. 7, the latch trigger 5 includes a manual trigger end 51, a central body portion 52, and a trigger actuation end 53. The manual trigger end 51 is disposed to be exposed to the inside of the doorknob 102, and the trigger actuation end 53 is disposed to extend into the door body 101 to engage with the door body latch 1 such that the door body latch 1 slides up and down between a lower locked state (see fig. 2 and 3) and an upper unlocked state (see fig. 4 and 5) when the door lock trigger 5 is rotated between the natural resting state (see fig. 2 and 3) and the trigger unlocked state (see fig. 4 and 5). In this lower locked state, the lock finger 30 is located just inside the acute angle lock hook 10, thereby forming an obstacle on the path along which the acute angle lock hook is pulled outward, so that the door body 101 is locked to the cabinet 103; in this upper unlocked state, the acute angle locking hook 10 is disengaged upward from the lock finger 30, thereby enabling the door body 101 and the acute angle locking hook 10 to be pulled outward away from the box body 103 by the door handle 102.
As shown in fig. 3 and 5, in conjunction with fig. 6 and 7, door lock trigger 5 is pivotally mounted in door pull 102 via pivot 54 at its intermediate position, i.e., central body portion 52. In the embodiment shown in fig. 3 and 5, the door latch 1 may be provided with a lower trigger slot, the trigger execution end 53 of the door latch trigger 5 is arc-shaped and provided with an upper trigger head 55 thereon, and the upper trigger head 55 and the lower trigger slot 15 are configured to be always in an engaged state during the rotation of the door latch trigger 5 around the rotating shaft 54, so that the door latch 1 and the door latch trigger 5 act synchronously, that is, the door latch 1 slides up and down in the door 101 during the rotation of the door latch trigger 5 around the rotating shaft 54.
Of course, the engagement between the door lock trigger 5 and the door lock 1 may be in another form. As shown in fig. 7, a trigger groove 530 may be formed at the end of the trigger actuating end 53 of the door lock trigger 5, and a trigger piece 130 (see fig. 6) may be correspondingly formed at the lower end of the door lock latch 1, and the trigger piece 130 is engaged in the trigger groove 530, so that the door lock trigger 5 pushes the door lock latch 1 upward or holds the door lock latch 1 downward when the door lock trigger 5 is rotated.
As shown in fig. 3 and 5, the lock fingers 30 are arranged in an upwardly inclined arrangement from the outside to the inside. As shown in fig. 6, the acute angle locking hook 10 has a vertical locking surface 11 and a finger parallel surface 13 forming an acute angle with the vertical locking surface 11. When the door body locking piece 1 is in the lower locking state, the lower end of the vertical locking surface 11 is located below the tail end of the locking finger 30, as shown in fig. 2; when the door body lock 1 is in the upper unlocked state, the lower end of the vertical locking surface 11 is located above the distal ends of the lock fingers 30, as shown in fig. 4.
It should be noted that, in another embodiment, the double-layer door lock structure may further include a return spring (not shown), one end of the return spring may be fixed in the door 101, and the other end of the return spring is connected to the door lock 1, so that when the door lock 1 returns to the lower locking state from the upper unlocking state, the return spring may help the door lock 1 to return to the lower locking state.
Referring again to fig. 1 to 5, and to fig. 6 and 7, according to another aspect of the present invention, there is provided a small cooking appliance (a microwave oven in this embodiment) including a door body 101, a cabinet 103, and the above-described double-layer door lock structure, wherein the door body 101 is provided with a door handle 102, and the cabinet 103 is provided with a latch hook access hole 104. As described above with respect to the double door lock structure, when the door lock actuator 5 is rotated between the natural returning state (see fig. 2 and 3) and the trigger unlocking state (see fig. 4 and 5), the door body lock 1 slides between the lower locking state (see fig. 2 and 3) and the upper unlocking state (see fig. 4 and 5). In the lower locking state, the acute angle locking hook 10 enters the box body 103 through the locking hook access hole 104, and the locking finger 30 is located right in the acute angle locking hook 10, so that the door body 101 is locked to the box body 103; in this upper unlocked state, the acute angle locking hook 10 is disengaged upward from the lock finger 30, thereby enabling the door body 101 and the acute angle locking hook 10 to be pulled outward away from the box body 103 by the door handle 102.
It should be understood that the door body latch 1 may be installed in the door body 101 through a door body latch fixing member (not shown), and the door body latch 1 is installed to be slidable up and down with respect to the door body latch fixing member. In addition, the box locking member 3 may be installed in the box 103 through a box locking member fixing member (not shown), and a corresponding locking hook access hole (not shown) is also provided on the box locking member fixing member corresponding to the locking hook access hole 104 on the box 103.
It should be noted that, as shown in fig. 7, the door handle 102 includes a handle body 112 and a handle cover 132, the door lock trigger 5 is pivotally mounted in the handle body 112, and the handle cover 132 is provided with an upper opening 142 for accessing the manual trigger end 51 and a lower opening 162 for freely moving the trigger actuating end 53 therethrough. When the door lock trigger 5 is in the natural resting state, the manual trigger end 51 protrudes inwardly from the upper opening 142 so that it can be touched by the operator's hand; when the door lock trigger 5 is in the trigger unlock state, the manual trigger end 51 is inwardly inserted into the handle body 112 through the upper opening 142.
The operation of the double-layer door lock structure for small cooking appliances according to the present embodiment will be described with reference to fig. 1 to 7:
when a user holds the door handle 102, the manual trigger end 51 of the door lock trigger 5 needs to be pressed into the door handle 102, and then the door lock trigger 5 rotates counterclockwise around the rotating shaft 54 by a certain angle to be turned from the natural return state (see fig. 2 and 3) to the trigger unlocking state (see fig. 4 and 5);
in the process, the upper trigger head 55 on the trigger execution end 53 of the door lock trigger 5 upwards abuts against the door lock 1 through the lower trigger groove 15 of the door lock 1 engaged with the upper trigger head, so as to push the door lock 1 to slide upwards in the door body 101, so that the acute angle lock hook 10 of the door lock 1 (specifically, the vertical lock surface 11 of the acute angle lock hook 10) is separated from the blocking of the lock finger 30, and the door lock 1 is converted from the lower locking state (see fig. 2 and 3) to the upper unlocking state (see fig. 4 and 5);
at this time, the door handle 102 is pulled outwards, so that the door body 101 can be pulled away from the box body 103, and in the process of opening the door body 101, the acute angle locking hook 10 is withdrawn from the box body through the locking hook access hole 104 on the box body 103;
after the door body 101 is opened, a user loosens the manual trigger end 51 of the door lock trigger 5, and the door body lock piece 1 moves downwards under the action of gravity to return, namely, the door body lock piece is converted from an upper unlocking state to a lower locking state; in the process, the door body locking part 1 presses the door lock triggering part 5 downwards through the lower triggering groove 55 on the door body locking part and the upper triggering head 55 on the door lock triggering part 5, so that the door lock triggering part 5 resets clockwise around the rotating shaft 54, namely, the door lock locking part returns to the natural returning state from the triggering unlocking state.
When the door needs to be closed, the manual trigger end 51 of the door lock trigger 5 still needs to be pressed into the door handle 102, the door lock trigger 5 rotates anticlockwise around the rotating shaft 54 and upwards abuts against the door body locking piece 1, the door body locking piece 1 is pushed to slide upwards in the door body 101, the door body locking piece 1 is in an upwards unlocking state, and then the door body 101 is pushed towards the box body 103, so that the acute angle locking hook 10 enters the locking hook access hole 104 in the box body 103;
at this time, the manual trigger end 51 of the door lock trigger 5 is released again, the door lock 1 moves downward under the action of gravity to return to the lower locking state, at this time, the lock finger 30 is located in the acute angle lock hook 10, the vertical locking surface 11 of the acute angle lock hook 10 is located on the inner side of the lock finger 30, and at this time, if the door lock trigger 5 is not pressed but the door 101 is directly pulled outward, the door 101 cannot be opened, so that the double-layer locking of the door 101 is ensured.
While the utility model has been described with respect to the foregoing technical disclosure and features, it will be understood that various changes and modifications in the above structure, including combinations of features disclosed herein either individually or as claimed, and obviously including other combinations of such features, may be resorted to by those skilled in the art, without departing from the spirit of the utility model. Such variations and/or combinations are within the skill of the art to which the utility model pertains and are within the scope of the following claims.
Claims (8)
1. The utility model provides a culinary art is double-deck door lock structure for small household electrical appliances which characterized in that includes:
the door body locking piece is suitable for being installed in a door body of the small cooking appliance in a vertically sliding mode, and a pair of acute angle locking hooks are arranged on the door body locking piece;
the box body locking piece is suitable for being fixedly arranged in a box body of the small cooking appliance, and a pair of locking fingers are arranged on the box body locking piece;
a door lock trigger adapted to be pivotally mounted within a door handle of the door body to rotate between a natural resting state and a trigger unlocked state, the door lock trigger comprising a manual trigger end and a trigger actuation end, wherein,
the manual trigger end is arranged to be exposed on the inner side of the door handle, and the trigger execution end is arranged to extend into the door body to be matched with the door body locking piece, so that when the door lock trigger piece rotates between a natural reset state and a trigger unlocking state, the door body locking piece can slide up and down between a lower locking state and an upper unlocking state, and in the lower locking state, the lock finger is just positioned in the acute angle lock hook so as to form an obstacle on a path for the acute angle lock hook to pull away outwards, so that the door body is locked on the box body; in this state of unlocking, the acute angle latch hook is upwards disengaged from the lock finger so that the door body and the acute angle latch hook can be pulled outwards away from the box body through the door handle.
2. The dual-layer door lock structure for the small cooking appliance according to claim 1, wherein the door lock trigger further comprises a middle body part located between the manual trigger end and the trigger actuating end, the door lock trigger is pivotally mounted in the door handle via a rotating shaft at the middle body part, a lower trigger groove is provided on the door lock, an upper trigger head is formed at a terminal of the trigger actuating end, and the upper trigger head and the lower trigger groove are configured to be always in an engaged state in a process that the door lock trigger rotates around the rotating shaft.
3. The double-layer door lock structure for the small cooking appliance according to claim 1, wherein the door lock trigger further comprises a middle body part between the manual trigger end and the trigger actuating end, the door lock trigger is pivotally mounted in the door handle via a rotating shaft at the middle body part, a trigger piece is formed at a lower end of the door lock piece, a trigger groove is formed at a distal end of the trigger actuating end, and the trigger piece and the trigger groove are configured to be always in an engaged state during the rotation of the door lock trigger around the rotating shaft.
4. The double-layer door lock structure for the small cooking appliance according to claim 2 or 3, wherein the lock fingers are arranged to be inclined upward from outside to inside, the acute-angle lock hook has a vertical lock surface and a lock finger parallel surface forming an acute angle with the vertical lock surface, and when the door lock is in the lower lock state, a lower end of the vertical lock surface is located below a distal end of the lock finger; when the door body locking piece is in the upper unlocking state, the lower end of the vertical locking surface is positioned above the tail end of the locking finger.
5. The double-layered door lock structure for small cooking appliances according to claim 4, wherein the rotation shaft is installed through the middle body part, and the trigger execution end is arc-shaped.
6. The double-layer door lock structure for the small cooking appliance according to claim 5, further comprising a return spring having one end adapted to be fixed in the door body and the other end connected to the door body locking member so as to facilitate the return of the door body locking member from the upper unlocked state to the lower locked state.
7. The dual door lock structure of claim 6, wherein the door handle comprises a handle body and a handle cover, the door lock trigger is pivotally installed in the handle body, and the handle cover is provided with an upper opening for accessing the manual trigger end and a lower opening for triggering the actuating end to move freely therethrough.
8. A small cooking appliance comprising the double-layer door lock structure for a small cooking appliance according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121326650.7U CN215949159U (en) | 2021-06-15 | 2021-06-15 | Double-layer door lock structure for small cooking appliance and small cooking appliance comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121326650.7U CN215949159U (en) | 2021-06-15 | 2021-06-15 | Double-layer door lock structure for small cooking appliance and small cooking appliance comprising same |
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| Publication Number | Publication Date |
|---|---|
| CN215949159U true CN215949159U (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121326650.7U Active CN215949159U (en) | 2021-06-15 | 2021-06-15 | Double-layer door lock structure for small cooking appliance and small cooking appliance comprising same |
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| CN (1) | CN215949159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635603A (en) * | 2022-03-18 | 2022-06-17 | 广东美的厨房电器制造有限公司 | Door body structure and cooking appliance |
-
2021
- 2021-06-15 CN CN202121326650.7U patent/CN215949159U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635603A (en) * | 2022-03-18 | 2022-06-17 | 广东美的厨房电器制造有限公司 | Door body structure and cooking appliance |
| CN114635603B (en) * | 2022-03-18 | 2024-03-29 | 广东美的厨房电器制造有限公司 | Door body structure and cooking appliance |
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