CN112450738B - Uncovering assembly and rice cooker - Google Patents
Uncovering assembly and rice cooker Download PDFInfo
- Publication number
- CN112450738B CN112450738B CN202011524340.6A CN202011524340A CN112450738B CN 112450738 B CN112450738 B CN 112450738B CN 202011524340 A CN202011524340 A CN 202011524340A CN 112450738 B CN112450738 B CN 112450738B
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- knob
- base
- locking surface
- cover body
- limiting
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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
- A47J27/004—Cooking-vessels with integral electrical heating means
-
- 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
Abstract
The invention provides a cover opening assembly and a rice cooker, comprising: a base; the cover body is movably connected to the base; the knob is rotationally connected to one of the base or the cover body, a limiting end is arranged on the knob, and a distance is reserved between the limiting end and the rotation center of the knob; the lock catch is arranged on the other one of the base and the cover body, a locking surface is arranged on the lock catch and abutted against the limiting end, and the locking surface is positioned between the limiting end and the rotating center of the knob. When the lock catch rotates, the limit end is driven to rotate close to the lock catch, the height of the limit end gradually changes along with the rotation process, after the limit end abuts against the locking surface, the limit end continues to rotate and reduce in height, the locking surface is pressed gradually to apply tension to the locking surface, the cover body is indirectly tensioned on the base, and final locking is achieved. Because the locking process of the cover body is gradually tensioned and raised into the direction of the base, no assembly gap exists between the cover body and the base.
Description
Technical Field
The invention relates to the technical field of cover opening structures of electric cookers, in particular to a cover opening assembly and a rice cooker.
Background
An electric cooker is a commonly used household appliance, and generally comprises a base and a cover body, wherein an inner container for heating food materials is arranged in the base.
The connection structure between the cover body and the base of the electric cooker on the market is in buckle connection, namely, the cover body of the electric cooker is provided with a buckle, and when the cover body is buckled on the base, the buckle is embedded into a clamping groove on the base to be locked and matched. Usually, a button is arranged on the cover body, and the buckle and the clamping groove can be separated from each other by pressing the button, so that the cover body of the rice cooker can be opened by bouncing.
Due to the fact that the spring is arranged inside the button type cover opening structure, the button can be restored to the original position by means of elasticity of the button after a user presses the button. Because be the buckle cooperation between lid and the base, consequently back in the draw-in groove on the buckle embedding base, need continue to move one section distance downwards, is blocked when making the lid kick-back, and therefore when buckle and draw-in groove cooperation, the buckle still has the space that removes to the base direction, makes the lid have the motion space that compresses tightly to the base direction, and the cooperation between lid and the base exists the clearance promptly.
Disclosure of Invention
Therefore, the invention aims to overcome the defect that a gap exists between a cover body and a base due to the fact that a button type cover opening structure in the prior art is matched, and provides a cover opening assembly and a rice cooker.
A door assembly comprising:
a base;
the cover body is movably connected to the base;
the knob is rotatably connected to one of the base or the cover body, a limiting end is arranged on the knob, and a distance is reserved between the limiting end and the rotating center of the knob;
the lock catch is arranged on the other one of the base and the cover body, a locking surface is arranged on the lock catch and abutted against the limiting end, and the locking surface is positioned between the limiting end and the rotating center of the knob.
The locking surface is positioned on the rotating path of the limiting end and is arc-shaped.
The cap opening assembly further comprises:
the connecting piece, connecting piece one end is located on the knob, the other end is kept away from the knob extends, spacing end is located keep away from on the connecting piece the position of knob.
The connecting piece is provided with:
the knob is provided with a connecting groove which is matched with the connecting block.
The cover body is provided with a mounting seat, and the lock catch is detachably connected to the mounting seat.
The lock catch is supported on a side of the mounting base facing away from the base.
The base is provided with a limiting groove, a shaft hole is formed in the limiting groove, the knob comprises a rotating shaft, and the rotating shaft is rotatably connected in the shaft hole.
The limiting groove is sunken towards the base, and the knob is embedded into the limiting groove.
The cap opening assembly further comprises:
the torsional spring is arranged on the rotating shaft, one end of the torsional spring is connected with the rotating shaft, and the other end of the torsional spring is connected with the base.
The knob includes:
the support legs are arranged on one side, facing the limiting groove, of the knob;
the limiting groove is internally provided with:
the supporting legs are connected in the guide holes in a sliding mode, and the guide holes are parallel to the rotating path of the limiting end.
A rice cooker, comprising the uncovering assembly of any one of the above aspects.
The technical scheme of the invention has the following advantages:
1. the present invention provides a door opening assembly comprising: a base; the cover body is movably connected to the base; the knob is rotatably connected to one of the base or the cover body, a limiting end is arranged on the knob, and a distance is reserved between the limiting end and the rotating center of the knob; the lock catch is arranged on the other one of the base and the cover body, a locking surface is arranged on the lock catch and abutted against the limiting end, and the locking surface is positioned between the limiting end and the rotating center of the knob.
The back hasp embedding base is gone up to the lid assembly on the base in this scheme, and the locking face on the hasp position is located the rotation route of the spacing end of hasp, drives spacing end when the hasp rotates and is close to the hasp rotation, because the locking face is located between the rotation center of spacing end and knob, therefore spacing end is located the locking face top, and spacing end is located the locking face promptly and keeps away from one side at hasp rotation center. Because the limiting end rotates along with the knob, the height of the limiting end gradually changes along with the rotation process, after the limiting end abuts against the locking surface, the rotating height of the limiting end is reduced continuously, the limiting end abuts against the locking surface and is gradually pressed to apply tension to the locking surface, and the cover body is indirectly tensioned on the base for assembling, so that final locking is realized. Because the locking process of the cover body is gradually tensioned and raised into the direction of the base, no assembly gap exists between the cover body and the base.
2. According to the cover opening assembly provided by the invention, the locking surface is positioned on the rotation path of the limiting end, and the locking surface is arc-shaped.
Because the limiting end rotates along with the knob, the limiting end rotates around the rotation center of the knob, the locking surface is arc-shaped, can be matched with the motion path of the limiting end, and can play a role in guiding when the limiting end is matched with the locking surface.
3. The invention provides a cover opening assembly, which further comprises: the connecting piece, connecting piece one end is located on the knob, the other end is kept away from the knob extends, spacing end is located keep away from on the connecting piece the position of knob.
The rotation center setting of knob is kept away from to spacing end, can rotate the in-process at spacing end and take place to contradict with the hasp and be connected, and on the other hand can compress tightly the hasp between the rotation center of spacing end and knob.
4. According to the cover opening assembly provided by the invention, the cover body is provided with the mounting seat, and the lock catch is detachably connected to the mounting seat.
The hasp position takes place wearing and tearing with the connecting block when using, and the hasp can be dismantled alone and can be made things convenient for the user to change the hasp position after the hasp wearing and tearing. In a similar way, the connecting block can be detachably connected to the knob and also can be independently replaced.
5. According to the cover opening assembly provided by the invention, the lock catch is supported on one side of the mounting seat, which is opposite to the base.
When the lock catch is locked, the lock catch is pulled towards the base, so that the lock catch only grows on one side of the mounting base, which is back to the base, on one hand, the cover body can be indirectly pulled to be fastened on the base when the lock catch is pulled, and the lock catch can be prevented from being separated from the cover body.
6. According to the cover opening assembly provided by the invention, the base is provided with the limiting groove, the shaft hole is formed in the limiting groove, and the knob comprises the rotating shaft which is rotatably connected in the shaft hole.
The knob is rotated in the limit groove by the shaft hole.
7. According to the cover opening assembly provided by the invention, the limiting groove is sunken towards the base, and the knob is embedded into the limiting groove.
The knob is embedded into the sunken limiting groove, so that the knob can be hidden in the base, and the knob does not protrude out of the outer surface of the base, so that the appearance of the base is more regular.
8. The invention provides a cover opening assembly, which further comprises: the torsional spring is arranged on the rotating shaft, one end of the torsional spring is connected with the rotating shaft, and the other end of the torsional spring is connected with the base.
The torsional spring can apply user's feedback force when the user rotates on the one hand, improves user's operation and feels, and on the other hand, the knob can rely on the torsional spring automatic re-setting behind the user rotation knob.
9. The invention provides a cover opening assembly, comprising: the support legs are arranged on one side, facing the limiting groove, of the knob; the limiting groove is internally provided with: the supporting legs are connected in the guide holes in a sliding mode, and the guide holes are parallel to the rotating path of the limiting end.
The guiding hole can play the guide effect on the one hand, can also play limiting displacement, prevents that the user from rotating knob in-process angle too big.
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 view of a cover and base mating structure according to the present invention;
FIG. 2 is an exploded view showing a mating structure of a cover and a base;
fig. 3 is a sectional view showing the structure of the door opening assembly;
FIG. 4 is an enlarged view of the construction of the lid assembly;
fig. 5 is a perspective view of the latch structure.
Description of reference numerals:
1. a base; 11. a support ring; 12. a limiting groove; 13. a shaft hole; 14. a guide hole; 2. a cover body; 21. a mounting seat; 3. locking; 31. a fitting portion; 32. a locking surface; 4. a knob; 41. a rotating shaft; 42. a torsion spring; 5. a connecting member; 51. connecting blocks; 52. a limiting end.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides a door opening assembly, as shown in fig. 1 and 2, including: a base 1; the cover body 2 is movably connected to the base 1; the knob 4 is rotatably connected to one of the base 1 or the cover 2, a limiting end 52 is arranged on the knob 4, and a distance is reserved between the limiting end 52 and the rotation center of the knob 4; the lock catch 3 is arranged on the other one of the base 1 and the cover 2, a locking surface 32 is arranged on the lock catch 3, the locking surface 32 abuts against the limiting end 52, and the locking surface 32 is located between the limiting end 52 and the rotating center of the knob 4.
In this embodiment, after the cover 2 is assembled on the base 1, the latch 3 is embedded into the base 1, the locking surface 32 on the position of the latch 3 is located on the rotation path of the position-limiting end 52 of the latch 3, and when the latch 3 rotates, the position-limiting end 52 is driven to rotate close to the latch 3, and because the locking surface 32 is located between the position-limiting end 52 and the rotation center of the knob 4, the position-limiting end 52 is located above the locking surface 32, that is, the position-limiting end 52 is located on one side of the locking surface 32 away from the rotation center of the latch 3. Because the limiting end 52 rotates along with the knob 4, the height of the limiting end 52 gradually changes along with the rotation process, after the limiting end 52 abuts against the locking surface 32, the limiting end 52 continuously rotates and decreases in height, not only abuts against the locking surface 32, but also gradually presses the locking surface 32 to apply tension to the locking surface 32, and the cover body 2 is indirectly tensioned on the base 1 to be assembled, so that final locking is realized. Since the locking process of the cover 2 is gradually tightened up in the direction of the base 1, there is no assembly gap between the cover 2 and the base 1.
Specifically, as shown in fig. 1 and 2, a support ring 11 is provided on an end surface of the base 1 facing the cover 2, and the support ring 11 is provided with a through hole through which the latch 3 is inserted. Under the view angle of fig. 1, the face of front view is the front of a rice cooker, that is, the right side under the view angle of fig. 3 is the front of a rice cooker, the knob 4 is inserted into the base 1 from the right side under the view angle of fig. 3, the swept space is the rotating space when the limiting end 52 rotates along with the knob 4, the lock catch 3 extends into the rotating space, as shown in fig. 3, the limiting end 52 protrudes relatively, and therefore when the lock catch rotates to the upper side of the locking surface 32, the lock catch can be abutted against the locking surface 32 and can compress the locking surface 32 after the lock catch rotates continuously. As an alternative embodiment, in the view of fig. 4, the locking surface 32 is formed by a protrusion protruding to the right on the lock catch 3, and the locking surface 32 may also be a locking groove, i.e. a sliding groove formed on the side of the lock catch 3 facing the position-limiting end 52, and the position-limiting end 52 is slidably connected in the locking groove.
In addition to the above embodiments, as a further limited embodiment, as shown in fig. 3, the locking surface 32 is located on the rotation path of the limiting end 52, and the locking surface 32 is in the shape of a circular arc. Because the limiting end 52 rotates along with the knob 4, the limiting end 52 rotates around the rotation center of the knob 4, the locking surface 32 is arc-shaped and can be more adapted to the movement path of the limiting end 52, and the guiding function can be realized when the limiting end 52 is matched with the locking surface 32.
Specifically, in the view of fig. 5, the locking surface 32 on the latch 3 is an arc surface, and the height of the arc surface gradually increases and then gradually decreases from the left side to the right side of the latch 3, when the limiting end 52 rotates from the left side to the right side, the limiting end 52 gradually abuts against and cooperates with the arc surface through the lower part of the arc surface, and when the limiting end 52 rotates to the highest point of the arc surface, the latch 3 and the limiting end 52 are tightened.
On the basis of the above embodiments, as a further limited embodiment, as shown in fig. 3 and 4, the door opening assembly further includes: and one end of the connecting piece 5 is arranged on the knob 4, the other end of the connecting piece 5 is far away from the knob 4 and extends, and the limiting end 52 is arranged on the connecting piece 5 and is far away from the knob 4. Spacing end 52 is kept away from the rotation center setting of knob 4, can be in spacing end 52 rotation in-process with hasp 3 take place to contradict to be connected, on the other hand can compress tightly hasp 3 between the rotation center of spacing end 52 and knob 4.
Specifically, in the view of fig. 4, the connecting member 5 has a bent portion in the process of extending upward away from the knob 4, a U-shape is formed between the bent portion and the limiting end 52, and the latch 3 is embedded in the U-shaped area of the connecting member 5. As an alternative embodiment, the connecting member 5 is a straight rod, and the limiting end 52 is located at one end of the straight rod far away from the lock catch 3.
In addition to the above embodiments, as a further limited embodiment, as shown in fig. 1, the connecting member 5 is provided with: the knob 4 is provided with a connecting groove which is matched with the connecting block 51.
Specifically, as shown in fig. 2, the cross section of the connecting block 51 is D-shaped, and when the knob 4 rotates, the connecting block 51 can be driven to rotate, so that the connecting member 5 can move synchronously with the knob 4. As an alternative embodiment, the cross-section of the connecting piece 51 is other than circular. As another alternative, the cross section of the connecting block 51 is circular, and the connecting block 51 is fixedly connected with the knob 4 through a bolt.
In addition to the above embodiments, as a further limited embodiment, as shown in fig. 2, an installation seat 21 is provided on the cover 2, and the latch 3 is detachably connected to the installation seat 21. The part of the lock catch 3 is abraded with the connecting block 51 when in use, and the lock catch 3 can be detached independently to facilitate the replacement of the part of the lock catch 3 after the lock catch 3 is abraded. Similarly, the connecting block 51 can be detachably connected to the knob 4 and can be replaced independently.
On the basis of the above embodiments, as a further limited embodiment, as shown in fig. 1 and fig. 2, the latch 3 is supported on a side of the mounting seat 21 facing away from the base 1. When the latch 3 is locked, the latch 3 is pulled toward the base 1, so that the latch 3 only grows up on the side of the mounting seat 21 facing away from the base 1, on one hand, the cover 2 can be indirectly pulled to be fastened on the base 1 when the latch 3 is pulled, and the latch 3 can be prevented from being separated from the cover 2.
Specifically, as shown in fig. 5, the two sides of the top of the latch 3 are protruded with engaging portions 31, and with reference to fig. 2, the latch 3 is supported on the cover 2 through the engaging portions 31, so as to indirectly lock the cover 2 to the base 1.
On the basis of the above embodiments, as a further limited embodiment, as shown in fig. 3 and 4, the base 1 is provided with a limiting groove 12, a shaft hole 13 is provided in the limiting groove 12, the knob 4 includes a rotating shaft 41, and the rotating shaft 41 is rotatably connected in the shaft hole 13. The knob 4 rotates in the limiting groove 12 through the shaft hole 13.
As a further limited embodiment, as shown in fig. 1, 3 and 4, the stopper groove 12 is recessed into the base 1, and the knob 4 is fitted into the stopper groove 12. The knob 4 is embedded into the concave limiting groove 12, so that the knob 4 can be hidden in the base 1, and the knob 4 does not protrude out of the outer surface of the base 1, so that the appearance of the base 1 is more regular.
Specifically, the knob 4 is provided with a projection to facilitate the user to manually grasp and control the rotation. The projection is also hidden in the limiting groove 12.
On the basis of the above embodiments, as a further limited embodiment, as shown in fig. 3 and 4, the door opening assembly further includes: and the torsion spring 42 is arranged on the rotating shaft 41, one end of the torsion spring 42 is connected with the rotating shaft 41, and the other end of the torsion spring 42 is connected with the base 1. The torsion spring 42 can apply feedback force to the user when the user rotates, so that the operation hand feeling of the user is improved, and the knob 4 can be automatically reset by the torsion spring 42 after the user rotates the knob 4.
In addition to the above-described embodiments, as a further limited embodiment, as shown in fig. 4, the knob 4 includes: the support legs are arranged on one side, facing the limiting groove 12, of the knob 4; the limiting groove 12 is internally provided with: the guide hole 14 is connected with the support leg in a sliding way in the guide hole 14, and the guide hole 14 is parallel to the rotating path of the limiting end 52. The guiding hole 14 can play a guiding role on one hand and can also play a limiting role, so that the user is prevented from having an overlarge angle in the process of rotating the knob 4.
Specifically, as shown in fig. 5, when the position-limiting end 52 is rotated to the highest position of the locking surface 32, the locking degree is maximum, and if the user continues to rotate the position-limiting end 52 to the right at this time, the fit between the position-limiting end 52 and the locking surface 32 becomes loose. The boundary of the guide hole 14 can thus serve as a limit, enabling the user to automatically rotate the limit stop 52 to the locked state.
In addition to the above embodiments, as a further limited embodiment, as shown in fig. 1, the lid body 2 and the base 1 of the rice cooker are provided with the lid opening assembly of any of the above embodiments. As an alternative embodiment, the cover opening assembly of the above embodiment can be mounted on other kitchen utensils such as an electric pressure cooker. When the cover opening assembly is applied to a rice cooker, the form of the cover body 2 is not particularly limited, the cover body 2 can be the whole cover body 2 of the rice cooker, and can also be an inner cover as shown in fig. 1, namely, the cover body 2 of the rice cooker comprises the cover body 2 in appearance and the inner cover located on one side of the cover body 2 facing the base 1, and the inner cover can be matched with an inner container of the closed rice cooker and can also be matched with an opening of the closed base 1.
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 (9)
1. A door assembly comprising:
a base (1);
the cover body (2) is movably connected to the base (1);
the knob (4) is rotatably connected to the base (1), a limiting end (52) is arranged on the knob (4), and a distance is reserved between the limiting end (52) and the rotating center of the knob (4);
the lock catch (3) is arranged on the cover body (2), an installation seat (21) is arranged on the cover body (2), and the lock catch (3) is detachably connected to the installation seat (21); be equipped with locking surface (32) on hasp (3), locking surface (32) are contradicted spacing end (52), locking surface (32) are located spacing end (52) with between the rotation center of knob (4), locking surface (32) are located on the rotation route of spacing end (52), locking surface (32) are arc, spacing end (52) are contradicted the cooperation gradually with locking surface (32) by the position that is lower through the arc surface height to when spacing end rotates to the arc surface peak, with hasp (3) and spacing end (52) taut.
2. The door assembly as claimed in claim 1, further comprising:
connecting piece (5), connecting piece (5) one end is located on knob (4), and the other end is kept away from knob (4) extend, spacing end (52) are located keep away from on connecting piece (5) the position of knob (4).
3. The door release assembly according to claim 2, wherein the connecting member (5) is provided with:
the knob (4) is provided with a connecting groove which is matched with the connecting block (51).
4. A door release assembly as claimed in claim 3, wherein said catch (3) is supported on a side of said mount (21) facing away from said base (1).
5. The cover opening assembly according to any one of claims 1-4, wherein a limiting groove (12) is formed in the base (1), a shaft hole (13) is formed in the limiting groove (12), the knob (4) comprises a rotating shaft (41), and the rotating shaft (41) is rotatably connected in the shaft hole (13).
6. The door release assembly according to claim 5, wherein the stopper groove (12) is recessed into the base (1), and the knob (4) is fitted into the stopper groove (12).
7. The door assembly as claimed in claim 6, further comprising:
and the torsion spring (42) is arranged on the rotating shaft (41), one end of the torsion spring (42) is connected with the rotating shaft (41), and the other end of the torsion spring is connected with the base (1).
8. The door release assembly according to claim 6, wherein the knob (4) comprises:
the support legs are arranged on one side, facing the limiting groove (12), of the knob (4);
the limiting groove (12) is internally provided with:
the support legs are connected in the guide holes (14) in a sliding mode, and the guide holes (14) are parallel to the rotating path of the limiting end (52).
9. A rice cooker comprising the lid release assembly as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011524340.6A CN112450738B (en) | 2020-12-21 | 2020-12-21 | Uncovering assembly and rice cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011524340.6A CN112450738B (en) | 2020-12-21 | 2020-12-21 | Uncovering assembly and rice cooker |
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| CN112450738A CN112450738A (en) | 2021-03-09 |
| CN112450738B true CN112450738B (en) | 2022-04-22 |
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| CN105054503A (en) * | 2015-08-05 | 2015-11-18 | 福建浔兴拉链科技股份有限公司 | Zipper puller with independent locking mechanism |
| CN105996753A (en) * | 2016-07-12 | 2016-10-12 | 中山市高通电器有限公司 | Non-pressure uncovering unlocking structure for pressure cooker |
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