CN114271690A - A locking structure and cooking device - Google Patents
A locking structure and cooking device Download PDFInfo
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- CN114271690A CN114271690A CN202011038122.1A CN202011038122A CN114271690A CN 114271690 A CN114271690 A CN 114271690A CN 202011038122 A CN202011038122 A CN 202011038122A CN 114271690 A CN114271690 A CN 114271690A
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- 238000010411 cooking Methods 0.000 title claims abstract description 13
- 230000009471 action Effects 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 16
- 230000008859 change Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000004308 accommodation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/06—Lids or covers for cooking-vessels
- A47J36/10—Lid-locking devices
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention provides a latch structure and a cooking device, comprising: a locking pin; the opening structure is provided with an opening towards the locking pin, and the inner diameter of the opening structure is gradually increased along the direction back to the opening; the cylinder body is arranged on the inner side of the opening structure and is abutted against the inner wall of the opening structure, the cylinder body and the opening structure are opened in the same direction and are suitable for accommodating the locking pin, and the cylinder body comprises a limiting part; and a stroke holding part acting on the cylinder; the limiting part has a locking state for limiting the locking pin under the action of the stroke maintaining part. Set up the one side like this, avoid appearing the stroke sudden change, and then destroy the locking state between spacing portion and locking round pin, on the other hand, the locking round pin is taking out the in-process from the barrel, and the stroke community of locking round pin and barrel and spacing portion can receive the restriction that comes from the opening structure's the internal diameter that reduces gradually towards the opening, and then realizes effectively keeping the locking state, has improved the reliability of hasp structure.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a lock catch structure and a cooking device.
Background
The upper cover and the pot body of domestic appliance such as rice cooker generally adopt to detain the position formula structure and carry out the lock at present, detain elasticity and install on upper cover or pot body, when the lock, press nearly elasticity through the direction inclined plane and detain, elasticity is detained and is taken place deformation, takes place to step down back elasticity and detains the position lock, fixes the upper cover, when needs are uncapped, presses the button of uncapping, drives the hasp of uncapping and breaks away from the lock position to realize uncapping smoothly of rice cooker.
However, in such a locking manner, the locking is performed only by the mutual engagement between the elastic buckles, and there is no locking structure specifically arranged in the using process, which may cause the problem that the gap between the upper cover and the pot body after being locked is too large, and the pot overflow is easily caused, thereby reducing the use experience of the user.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the defect of poor stability and reliability of the fastening manner of the elastic fastening structure in the prior art, thereby providing a new fastening structure and a cooking device.
The invention provides a latch structure, comprising: a locking pin;
the opening structure is provided with an opening towards the locking pin, and the inner diameter of the opening structure is gradually increased along the direction back to the opening;
the cylinder body is arranged on the inner side of the opening structure and is abutted against the inner wall of the opening structure, the cylinder body and the opening structure are opened in the same direction and are suitable for accommodating the locking pin, and the cylinder body comprises a limiting part; and
a stroke holding portion acting on the cylinder;
the limiting part has a locking state for limiting the locking pin under the action of the stroke maintaining part.
Spacing portion is the rigidity setting, includes:
the accommodating holes are formed in the side wall of the barrel along the circumferential direction;
and the limiting block is arranged in the accommodating hole, protrudes out of the inner wall of the barrel, is suitable for moving along the accommodating hole under the action of external force, and is respectively abutted against the locking pin and the inner wall of the opening structure.
The locking pin is coaxially arranged with the cylinder and the opening structure, an included angle between the locking pin and the inner wall of the opening structure is alpha, alpha is smaller than or equal to arctan mu, and mu is a friction coefficient between the locking pin and the limiting block.
The limiting block is a sphere.
The barrel comprises a limiting end, the limiting end is arranged on the inner side of the opening structure and is abutted against the opening structure, the limiting end and the opening structure are arranged in the same shape, and the accommodating hole is formed in the side wall of the limiting end.
The lock catch structure further comprises an inner cavity, the top end of the inner cavity is provided with the opening structure, and the cylinder body and the stroke retaining part are arranged in the inner cavity.
The stroke keeping part is an elastic part and is arranged on the periphery of the cylinder, one end of the stroke keeping part is abutted with the bottom surface of the limiting end, and the other end of the stroke keeping part is abutted with a protruding part protruding towards the cylinder on the inner cavity.
The locking structure further comprises an unlocking structure, the unlocking structure acts on the barrel and is suitable for controlling the barrel to ascend and descend so as to control the limiting portion to release limiting of the locking pin.
The unlocking structure includes: the swing rod structure is suitable for rotating along a fixed axis and comprises a connecting end and a control end, and the connecting end penetrates through a connecting hole formed in the bottom side of the cylinder body.
The unlocking structure is a connecting rod structure and comprises: the first clamping part is arranged at one end of the unlocking structure and is matched and connected with the first accommodating groove with the elastic piece on the inner cavity;
the second clamping part is arranged at the other end of the unlocking structure and is matched and connected with the first embedded part which is arranged on the inner cavity in a protruding mode;
the inclined part penetrates through the connecting hole at the bottom side of the cylinder body, and the inner edge of the connecting hole is arranged in a circular inward convex manner.
The unlocking structure further includes: the switch structure is adjacent to the swing rod structure or the connecting rod structure and comprises a switch shaft connected with an elastic piece, and the switch shaft is suitable for moving along a fixed track under the action of external force and applying pressure to the control end or the second clamping part.
The inner wall of the opening structure is embedded with a profiling sleeve, and the profiling sleeve, the locking pin and the limiting block are metal pieces.
The lock catch structure further comprises a closing detection device which is in communication connection with the profiling sleeve, the locking pin and the limiting block respectively.
The embodiment also provides a cooking device, which comprises the lock catch structure.
The cooking apparatus includes: the cover body is provided with an inner concave part, the inner concave part comprises an opening, and the locking pin extending towards the outer side of the opening is arranged in the inner concave part;
the pot body is provided with the opening structure, the cylinder body and the stroke keeping part, and at least part of the opening structure is suitable for being embedded into the inner concave part under the locking state.
The technical scheme of the invention has the following advantages:
1. the invention provides a lock catch structure, comprising: a locking pin; the opening structure is provided with an opening towards the locking pin, and the inner diameter of the opening structure is gradually increased along the direction back to the opening; the cylinder body is arranged on the inner side of the opening structure and is abutted against the inner wall of the opening structure, the cylinder body and the opening structure are opened in the same direction and are suitable for accommodating the locking pin, and the cylinder body comprises a limiting part; and a stroke holding part acting on the cylinder; the limiting part has a locking state for limiting the locking pin under the action of the stroke maintaining part.
The cylinder body is abutted with the opening structure with the inner diameter gradually increasing along the direction back to the opening, the locking pin is accommodated in the cylinder body and is limited by the limiting part, in addition, a stroke keeping part acting on the cylinder body is also arranged, so that the cylinder body is abutted with the inner wall of the opening structure, and the locking pin, the cylinder body and the limiting part are kept the same in stroke in the movement process, on one hand, the stroke mutation is avoided, and the locking state between the limiting part and the locking pin is damaged, on the other hand, in the process that the locking pin is pulled out of the cylinder body, the stroke common body of the locking pin, the cylinder body and the limiting part is limited by the inner diameter gradually decreasing from the opening structure, the locking state is effectively kept, the device with the locking structure cannot be opened after the locking structure is stably closed, the gap of the closing structure is effectively reduced, and the phenomena such as pot overflow are avoided, the stability and the reliability of hasp structure have been improved, user's use experience has been promoted.
2. The invention provides a lock catch structure, wherein the limiting part is arranged in a rigid manner and comprises: the accommodating holes are formed in the side wall of the barrel along the circumferential direction; and the limiting block is arranged in the accommodating hole, protrudes out of the inner wall of the barrel, is suitable for moving along the accommodating hole under the action of external force, and is respectively abutted against the locking pin and the inner wall of the opening structure.
Be rigid spacing portion through the setting, guaranteed spacing portion effect and stability, effectively improved the life of spacing portion, and the motion of limiting block is restricted on the one hand in the setting of accommodation hole, avoids the roll-off barrel, and on the other hand provides the activity space for the limiting block. In addition, because the setting of stroke holding portion makes the stopper on the barrel and the inner wall butt of open structure under the effect of lock round pin, forms the slip fitting surface of lock round pin and stopper, realizes the synchronous motion of stroke, leaves the barrel in-process at the lock round pin, and the frictional force between lock round pin and stopper effectively combines the resistance component that the open structure inner wall was applyed for realize stable locking between stopper and lock round pin.
3. According to the lock catch structure provided by the invention, the locking pin, the cylinder body and the opening structure are coaxially arranged, an included angle between the locking pin and the inner wall of the opening structure is alpha, alpha is smaller than or equal to arctan mu, and mu is a friction coefficient between the locking pin and the limiting block.
When the included angle between the locking pin and the inner wall of the opening structure is alpha, and alpha is smaller than or equal to arctan mu, the sum of the friction force between the locking pin and the limiting block and the resistance component force applied to the inner wall of the opening structure is larger than or equal to the sum, and the external force applied to the locking pin is taken out, so that the effective locking of the locking pin is realized.
4. According to the lock catch structure provided by the invention, the limiting block is a sphere.
Owing to realize the in-process of locking or unblock at the hasp structure, the stopper can carry out the butt or take place the friction with the accommodation hole, open structure inner wall and locking round pin, be the spheroid as the stopper, in the motion process on the one hand, become rolling friction by sliding friction, the frictional resistance has been reduced, the flexibility ratio of stopper motion has been improved, avoid appearing friction noise scheduling problem, on the other hand, spheroidal setting lies in each structure cooperation in-process, the position that takes place to wear constantly changes, the motion wear and tear has been reduced, the service life of hasp structure has been improved.
5. The invention provides a lock catch structure, an unlocking structure is a connecting rod structure, comprising: the first clamping part is arranged at one end of the unlocking structure and is matched and connected with the first accommodating groove with the elastic piece on the inner cavity; the second clamping part is arranged at the other end of the unlocking structure and is matched and connected with the first embedded part which is arranged on the inner cavity in a protruding mode; the inclined part penetrates through the connecting hole at the bottom side of the cylinder body, and the inner edge of the connecting hole is arranged in a circular inward convex manner.
By setting the connecting rod structure as an unlocking structure, on one hand, the lifting of the cylinder body can be controlled through the arrangement of the inclined part, and further, under the locking state of the limiting part, the separation of the limiting part and the locking pin is realized by further controlling the cylinder body to be away from the opening structure, so that the unlocking of the locking pin is realized; on the other hand, through the setting to first block portion and second block portion, guarantee the stability of tubular construction at the lift in-process, avoid the hasp structure to appear rocking under the exogenic action, and then make the barrel position change, cause spacing portion to break away from the condition emergence of locking state, improved hasp structural work's stability.
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 structural diagram of a latch structure provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a latch structure provided in embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of an angle formed by a locking pin and an opening structure according to embodiment 1 of the present invention.
Description of reference numerals:
1-a locking pin; 2-an open structure; 3-a cylinder body; 4-stroke holding part; 31-a receiving hole; 32-a limiting block; 33-a limiting end; 5-inner cavity; 6-a swing rod structure; 7-a connecting rod structure; 34-a connection hole; 8-a switch structure; 21-a profiling sleeve.
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:
as shown in fig. 1 and 3, the present embodiment provides a cooking apparatus including a locking structure.
The cooking apparatus includes: the pot comprises a cover body and a pot body, wherein an inner concave part is arranged on the cover body, the inner concave part comprises an opening, and a locking pin 1 extending towards the outer side of the opening is arranged in the inner concave part; the pot body is provided with open structure 2, barrel 3 and stroke holding portion 4 on it, and partial open structure imbeds in the indent under the locking state, sets up like this and can guarantee that locking round pin 1 can stably penetrate open structure 2 and barrel 3 in, avoids taking place locking round pin 1's cooperation dislocation.
As an alternative embodiment, the cover may be provided with an opening structure 2, a cylinder 3, and a stroke holding portion 4, and the pot may be provided with a locking pin 1.
The specific type of the cooking device is not limited, and the cooking device includes an upper casing and a lower casing, one of which is provided with an opening structure 2, a barrel 3 and a stroke holding part 4, and the other is provided with a locking pin 1.
The latch structure includes a lock pin 1, an opening structure 2, a cylinder 3, and a stroke holding portion 4.
Locking round pin 1 is fixed on the interior concave part of the pot body, and interior concave part is the setting of back-off bowl form, and inboard middle part is fixed with locking round pin 1, and locking round pin 1 is the cylinder in this embodiment, and the tip is the setting of button head form. Opening structure 2, barrel 3 and stroke holding portion 4 all set up on the pot body, set up with the cooperation of interior concave part, and opening structure 2 is round platform lateral wall form and sets up, and the protrusion is provided with the opening towards lock pin 1 in the pot body, along opening direction 2 internal diameters crescent dorsad. The cylinder 3 is arranged on the inner side of the opening structure 2, is opened in the same direction as the opening structure 2, can accommodate the locking pin 1, and is provided with a limiting part on the inner wall of the cylinder 3. The stopper portion has a locked state for restricting the lock pin 1 by the stroke holder 4, and also has an unlocked state for releasing the restriction of the lock pin 1 by the unlocking mechanism. The stroke-retaining portion 4, in this embodiment a spring element, is fitted over the outside of the barrel 3 and acts on the barrel 3 so that the barrel 3 at least partially abuts against the inner wall of the opening arrangement 2.
The cylinder 3 is abutted with the opening structure 2 with the inner diameter gradually increasing along the direction back to the opening, the locking pin 1 is accommodated in the cylinder 3 and is limited by the limiting part, in addition, a stroke keeping part 4 acting on the cylinder 3 is also arranged, so that the cylinder 3 is kept abutted with the inner wall of the opening structure 2, and the locking pin 1, the cylinder 3 and the limiting part are also kept the same in stroke in the moving process, on one hand, stroke mutation is avoided, and the locking state between the limiting part and the locking pin 1 is damaged, on the other hand, in the process that the locking pin 1 is pulled out of the cylinder 3, the stroke community of the locking pin 1, the cylinder 3 and the limiting part can be limited by the inner diameter gradually decreasing from the opening structure 2 towards the opening, and the effective keeping of the locking state is realized, so that the device with the lock catch structure can not be opened after being covered stably, effectively reduce the clearance of lid structure, avoid if the emergence of phenomenon such as overflow pot, improved the stability and the reliability of hasp structure, promoted user's use and experienced.
In the present embodiment, the limiting part is rigidly disposed and includes a receiving hole 31 and a limiting block 32. As an alternative embodiment, the stopper may be a flexible member or an elastic member, and is an inner wall of the cylinder 3.
In the present embodiment, the plurality of receiving holes 31 are uniformly arranged on the sidewall of the cylinder 3 along the same horizontal height along the circumferential direction, and the number of the receiving holes 31 is not limited, and is three in the present embodiment. And the limiting blocks 32 are correspondingly arranged in the accommodating holes 31 and protrude out of the inner wall of the barrel 3, can move along the accommodating holes 31 under the action of external force applied by the locking pin 1, and are respectively abutted against the inner walls of the locking pin 1 and the opening structure 2. As an alternative embodiment, the receiving hole 31 may be one or more, or may be non-uniformly arranged along the sidewall of the cylinder 3.
Be rigid spacing portion through the setting, guaranteed spacing portion effect and stability, effectively improved the life of spacing portion, and the motion of limiting block 32 is restricted on the one hand in the setting of accommodation hole 31, avoids roll-off barrel 3, and on the other hand provides the activity space for limiting block 32. In addition, because the setting of stroke holding portion 4 makes stopper 32 on the barrel 3 and the inner wall butt of open structure 2 under the effect of lock round pin 1, forms the slip fitting surface of lock round pin 1 and stopper 32, realizes the synchronous motion of stroke, and at lock round pin 1 leave barrel 3 in-process, the frictional force between lock round pin 1 and stopper 32 effectively combines the resistance component that open structure 2 inner wall was applyed for realize stable locking between stopper 32 and lock round pin 1.
The cylinder 3 is in a straight cylinder shape, the locking pin 1, the cylinder 3 and the opening structure 2 are coaxially arranged, an included angle between the locking pin 1 and the inner wall of the opening structure 2 is alpha, the alpha is smaller than or equal to arctan mu, and the mu is a friction coefficient between the locking pin 1 and the limiting block 32. When the included angle between the locking pin 1 and the inner wall of the opening structure 2 is alpha, and alpha is smaller than or equal to arctan mu, the sum of the friction force between the locking pin 1 and the limiting block 32 and the resistance component force applied to the inner wall of the opening structure 2 is larger than or equal to the sum, the external force applied to the locking pin 1 is taken out, and effective locking of the locking pin 1 is achieved.
In this embodiment, as a preferred embodiment, the locking pin 1, the cylinder 3 and the opening structure 2 are steel structural members, μ is 0.15, α is required to be less than 8.5 degrees, an actual value range is 2.5 to 8.0 degrees, and α is too small, which results in a long unlocking stroke and difficulty in unlocking, and when α is too large, the locking pin cannot be locked and automatically falls off.
In this embodiment, as a preferred embodiment, the stopper 32 is a sphere. Because the in-process of realizing locking or unblock at the hasp structure, stopper 32 can with the accommodation hole 31, 2 inner walls of open structure and locking round pin 1 carry out the butt or take place the friction, be the spheroid as stopper 32, in the motion process on the one hand, become rolling friction by sliding friction, the frictional resistance has been reduced, the flexibility ratio of stopper 32 motion has been improved, avoid appearing friction noise scheduling problem, on the other hand, spheroidal setting, lie in each structure cooperation in-process, the position that takes place to wear constantly changes, the motion wearing and tearing have been reduced, the service life of hasp structure has been improved.
As an alternative embodiment, the stopper 32 may be block-shaped or column-shaped.
In this embodiment, the barrel 3 further includes a limiting end 33, the limiting end 33 is disposed inside the opening structure 2 and is abutted to the opening structure 2, the limiting end 33 is disposed in the same shape as the opening structure 2, and the accommodating hole 31 is disposed on a side wall of the limiting end 33. The lock catch structure further comprises an inner cavity 5, the top end of the inner cavity 5 is provided with an opening structure 2, and the cylinder 3 and the stroke keeping part 4 are arranged in the inner cavity 5.
In this embodiment, the stroke holding portion 4 is an elastic spring member provided on the periphery of the cylinder 3, and one end of the stroke holding portion 4 abuts against the bottom surface of the stopper end 33 and the other end abuts against a projection projecting toward the cylinder 3 in the cavity 5.
The locking structure further comprises an unlocking structure, the unlocking structure acts on the barrel 3 and is suitable for controlling the barrel 3 to ascend and descend so as to control the limiting part to release limiting of the locking pin 1.
In this embodiment, the unlocking structure is an integral link structure 7, including: the first clamping part, the second clamping part and the inclined part.
The first clamping part is arranged at one end of the unlocking structure in a square column shape and is matched and connected with a first accommodating square groove with an elastic piece on the inner cavity 5; the second clamping part is arranged at the other end of the unlocking structure in a groove shape and is matched and connected with the first embedding part which is arranged on the inner cavity 5 in a protruding mode; the inclined part passes through a connecting hole 34 at the bottom side of the cylinder 3, and the inner edge of the connecting hole 34 is arranged in a circular inner convex shape.
By setting the connecting rod structure 7 as an unlocking structure, on one hand, the lifting of the cylinder 3 can be controlled through the arrangement of the inclined part, and further, under the locking state of the limiting part, the separation of the limiting part and the locking pin 1 is realized by further controlling the cylinder 3 to be far away from the opening structure 2, so that the unlocking of the locking pin 1 is realized; on the other hand, through the setting to first block portion and second block portion, guarantee the stability of barrel 3 structure at the lift in-process, avoid the hasp structure to appear rocking under the exogenic action, and then make barrel 3 position change, cause spacing portion to break away from the condition emergence of locking state, improved hasp structure job stabilization nature.
The unlocking structure further includes: and the switch structure 8 is arranged adjacent to the swing rod structure 6 or the connecting rod structure 7 and comprises a switch shaft connected with an elastic piece, and the switch shaft is suitable for moving along a fixed track under the action of external force and applying pressure to the control end or the second clamping part.
In this embodiment, the locking structure further includes a closing detection device electrically connected to the copying sleeve 21, the locking pin 1 and the limiting block 32, respectively. The inner wall of the opening structure 2 is embedded with the profiling sleeve 21, the locking pin 1 and the limiting block 32 are all metal parts, specifically steel structural parts, whether the closing is judged according to the conduction, and as a changeable implementation mode, the profiling sleeve 21, the locking pin 1 and the limiting block 32 can also be other metal parts or conductive material parts.
Example 2
As shown in fig. 2, in this embodiment, based on embodiment 1, the link structure 7 is changed to the swing link structure 6, the swing link structure 6 may have an elastic member built therein, may rotate along a preset fixed axis, and complete the reset through the elastic member, or may not have the elastic member, and complete the reset through the stroke maintaining portion on the cylinder, and the swing link structure 6 further includes a connection end and a control end, and the connection end passes through the connection hole 34 disposed at the bottom side of the cylinder 3. The switch structure 8 is arranged adjacent to the connecting rod structure 7, moves along a fixed track under the action of external force, applies pressure to the control end, further controls the movement of the swing rod structure 6, and is simple in structure and easy to realize.
As an alternative embodiment, the cylinder 3 may be moved by a gear-rack linkage.
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 of the invention may be made without departing from the spirit or scope of the invention.
Claims (16)
1. A latch structure, comprising:
a locking pin (1);
the opening structure (2) is provided with an opening towards the locking pin (1), and the inner diameter of the opening structure (2) is gradually increased along the direction back to the opening;
the cylinder (3) is arranged on the inner side of the opening structure (2) and is abutted against the inner wall of the opening structure (2), the cylinder (3) and the opening structure (2) are opened in the same direction and are suitable for accommodating the locking pin (1), and the cylinder (3) comprises a limiting part; and
a stroke holding section (4) that acts on the cylinder (3);
the limiting part has a locking state of limiting the locking pin (1) under the action of the stroke maintaining part (4).
2. The latch structure of claim 1, wherein the limiting portion is rigidly disposed, comprising:
a plurality of accommodating holes (31) arranged on the side wall of the barrel (3);
and the limiting block (32) is arranged in the accommodating hole (31), protrudes out of the inner wall of the barrel (3), is suitable for moving along the accommodating hole (31) under the action of external force, and is respectively abutted against the inner walls of the locking pin (1) and the opening structure (2).
3. A catch construction according to claim 2, characterized in that the receiving holes (31) are arranged circumferentially uniformly along the side wall of the barrel (3).
4. A latch construction according to claim 2, characterized in that the locking pin (1) is arranged coaxially with the barrel (3) and the opening construction (2), the angle between the locking pin (1) and the inner wall of the opening construction (2) is α, α is smaller than or equal to arctan μ, μ is the coefficient of friction between the locking pin (1) and the stopper (32).
5. A latch construction according to claim 2, characterised in that the stop (32) is a ball.
6. A latch structure according to any one of claims 2 to 5, characterized in that the barrel (3) comprises a limit end (33), the limit end (33) is arranged inside the open structure (2) and abuts against the open structure (2), the limit end (33) is arranged in the same shape as the open structure (2), and the receiving hole (31) is arranged on a side wall of the limit end (33).
7. A latch construction according to claim 6, characterized in that it further comprises an inner cavity (5), said inner cavity (5) being provided with said opening arrangement (2) at the top end, said barrel (3) and said stroke holder (4) being arranged in said inner cavity (5).
8. A latch structure according to claim 7, characterized in that the stroke holding part (4) is an elastic member and is provided on the periphery of the cylinder (3), and one end of the stroke holding part (4) abuts against the bottom surface of the limit end (33) and the other end abuts against a protrusion of the inner cavity (5) protruding toward the cylinder (3).
9. A hasp structure according to claim 7 further comprises an unlocking structure, wherein the unlocking structure acts on the barrel (3) and is suitable for controlling the barrel (3) to ascend and descend so as to control the limiting portion to release limiting of the locking pin (1).
10. The latch structure of claim 9 wherein the unlatching structure comprises:
the swing rod structure (6) is suitable for rotating along a fixed axis and comprises a connecting end and a control end, and the connecting end penetrates through a connecting hole (34) formed in the bottom side of the cylinder body (3).
11. A latch arrangement according to claim 9, characterized in that the unlocking arrangement is a link arrangement (7) comprising:
the first clamping part is arranged at one end of the unlocking structure and is matched and connected with a first accommodating groove with an elastic piece on the inner cavity (5);
the second clamping part is arranged at the other end of the unlocking structure and is matched and connected with the first embedding part which is arranged on the inner cavity (5) in a protruding mode;
the inclined part penetrates through a connecting hole (34) at the bottom side of the cylinder body (3), and the inner edge of the connecting hole (34) is arranged in a circular inward convex shape.
12. A latch structure according to claim 10 or 11, wherein the unlatching structure further comprises:
the switch structure (8) is arranged adjacent to the swing rod structure (6) or the connecting rod structure (7) and comprises a switch shaft connected with an elastic piece, and the switch shaft is suitable for moving along a fixed track under the action of external force and applying pressure to the control end or the second clamping part.
13. A shackle structure as claimed in claim 12, characterised in that a profiling sleeve (21) is fitted on the inner wall of the opening structure (2), and the profiling sleeve (21), the locking pin (1) and the stop (32) are all metal parts.
14. A shackle structure as claimed in claim 13, characterised by further comprising a closure detection device in communicative connection with the copying sleeve (21), the locking pin (1) and the stop block (32), respectively.
15. A cooking device comprising the latch structure of any one of claims 1-14.
16. The cooking device of claim 15, comprising:
the cover body is provided with an inner concave part, the inner concave part comprises an opening, and the locking pin (1) extending towards the outer side of the opening is arranged in the inner concave part;
the pot body is provided with the opening structure (2), the cylinder body (3) and the stroke keeping part (4), and at least part of the opening structure (2) is suitable for being embedded into the inner concave part in the locking state.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011038122.1A CN114271690A (en) | 2020-09-27 | 2020-09-27 | A locking structure and cooking device |
| PCT/CN2021/094338 WO2022062429A1 (en) | 2020-09-27 | 2021-05-18 | Lock catch structure and cooking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011038122.1A CN114271690A (en) | 2020-09-27 | 2020-09-27 | A locking structure and cooking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114271690A true CN114271690A (en) | 2022-04-05 |
Family
ID=80846177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011038122.1A Pending CN114271690A (en) | 2020-09-27 | 2020-09-27 | A locking structure and cooking device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114271690A (en) |
| WO (1) | WO2022062429A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108451349A (en) * | 2017-02-17 | 2018-08-28 | 佛山市顺德区美的电热电器制造有限公司 | Pot cover assembly and electrical household appliance for electrical household appliance |
| CN110192767A (en) * | 2018-02-24 | 2019-09-03 | 佛山市顺德区美的电热电器制造有限公司 | Lid and cooking apparatus |
| EP3586689A1 (en) * | 2018-06-26 | 2020-01-01 | Seb S.A. | Pressure cooker provided with an abutment for a lid |
| CN211524410U (en) * | 2019-09-27 | 2020-09-18 | 西安运力铁路施封锁厂 | Double steel ball lock for railway |
| CN213605890U (en) * | 2020-09-27 | 2021-07-06 | 珠海格力电器股份有限公司 | Lock catch structure and cooking device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203290716U (en) * | 2013-06-20 | 2013-11-20 | 浙江爱仕达电器股份有限公司 | Cooker cover balancing device of electric pressure cooker |
| KR101820113B1 (en) * | 2016-06-27 | 2018-01-23 | 김차식 | Electric cooker having temperature sensor and automatic opening/closing apparatus |
| TWM545383U (en) * | 2017-02-10 | 2017-07-11 | Hanwit Prec Ind Ltd | Fixing device |
| CN208957747U (en) * | 2018-05-15 | 2019-06-11 | 浙江绍兴苏泊尔生活电器有限公司 | Anti-overflow structure and have its cooking ware |
| CN110772115A (en) * | 2018-07-30 | 2020-02-11 | 武汉苏泊尔炊具有限公司 | Pot cover and cooking utensil and pressure cooker including same |
-
2020
- 2020-09-27 CN CN202011038122.1A patent/CN114271690A/en active Pending
-
2021
- 2021-05-18 WO PCT/CN2021/094338 patent/WO2022062429A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108451349A (en) * | 2017-02-17 | 2018-08-28 | 佛山市顺德区美的电热电器制造有限公司 | Pot cover assembly and electrical household appliance for electrical household appliance |
| CN110192767A (en) * | 2018-02-24 | 2019-09-03 | 佛山市顺德区美的电热电器制造有限公司 | Lid and cooking apparatus |
| EP3586689A1 (en) * | 2018-06-26 | 2020-01-01 | Seb S.A. | Pressure cooker provided with an abutment for a lid |
| CN211524410U (en) * | 2019-09-27 | 2020-09-18 | 西安运力铁路施封锁厂 | Double steel ball lock for railway |
| CN213605890U (en) * | 2020-09-27 | 2021-07-06 | 珠海格力电器股份有限公司 | Lock catch structure and cooking device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022062429A1 (en) | 2022-03-31 |
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