Pot cover locking structure of electric cooker

Abstract

A cooker cover locking structure of an electric cooker comprises a cooker body and a cooker cover arranged at the top of the cooker body in a rotating opening and closing mode, and further comprises a key, a linkage rod, a locking piece and a first elastic piece which are arranged on the cooker cover, the linkage rod and the locking piece are arranged on the cooker cover in a rotating mode, and the first elastic piece is arranged between the locking piece and the cooker cover. A locking and separating part is arranged between the locking piece and the pot body, the key is in linkage connection with the linkage rod, and the linkage rod is in linkage connection with the locking piece. According to the electric cooker, the key, the linkage rod, the locking piece and the first elastic piece are arranged, the linkage rod and the locking piece are rotationally arranged on the cooker cover to form a double-lever structure, transmission among all the components is more stable, the first buckling position of the locking piece is tightly buckled with the second buckling position of the cooker body under the action of the linkage rod and the first elastic piece, and therefore the electric cooker is more stable in operation. Automatic tripping and unlocking are not easy; in addition, the double-lever structure enables the key to be arranged on the edge of the pot cover, the buckling position is also arranged on the edges of the pot body and the pot cover, and therefore the pot cover locking structure is small in occupied space.

Description

Technical Field

[0001] The utility model relates to the technical field of electric rice cookers, in particular to a pot cover locking structure of an electric rice cooker. Background Art

[0002] Chinese patent document number CN203524490U disclosed a cover opening structure of an electric rice cooker on April 9, 2014, comprising a pot cover hinged with a pot body at one end and movably connected with the pot body through an opening and closing mechanism at the other end, a buckle position being arranged at the upper edge of the pot body, and a handle being arranged at the top of the pot cover, characterized in that the opening and closing mechanism comprises a button and a cover opening lever, the button being arranged in the handle, the front end of the cover opening lever being linked to the button, and the tail end passing through the handle and the pot cover in sequence and connecting with the buckle position of the pot body. In the cover opening structure of the electric rice cooker, the buckle position of the pot body and the pot cover is unlocked by the button and the cover opening lever, but the structure adopting a single lever is unstable in transmission, the buckle position is easy to automatically disengage and unlock, and the button can only be arranged at a position in the middle of the pot cover, and the buckle position is arranged at the edge of the pot cover and the pot body, so that the cover opening structure occupies a large space.

[0003] Therefore, it is necessary to make further improvements to existing electric rice cookers. Utility Model Content

[0004] The utility model aims to provide a rice cooker lid locking structure with simple structure, stable transmission, good lid locking effect, small space occupation and strong practicality, so as to overcome the shortcomings of the prior art.

[0005] A rice cooker lid locking structure designed for this purpose comprises a rice cooker body and a rice cooker lid rotatably opened and closed on the top of the rice cooker body, and is characterized in that it also comprises a button, a linkage rod, a locking member and a first elastic member arranged on the rice cooker lid, the linkage rod and the locking member are rotatably arranged on the rice cooker lid, the first elastic member is arranged between the locking member and the rice cooker lid, a locking part is arranged between the locking member and the rice cooker body, the button is linked to the linkage rod, and the linkage rod is linked to the locking member; the linkage rod drives the locking member to rotate to a first position under the pressing action of the button, so as to unlock the rice cooker lid through the locking part, and the locking member drives the linkage rod to rotate to a second position under the action of the first elastic member, so that the rice cooker lid is locked to the rice cooker body through the locking part.

[0006] A notch is arranged on the pot cover, a first fulcrum is arranged on the linkage rod, the first fulcrum is arranged in the notch, and the first fulcrum is against the bottom wall of the notch, and the linkage rod is arranged on the pot cover through the cooperation and rotation of the fulcrum and the bottom wall to form a lever structure.

[0007] A second fulcrum is arranged on the locking piece, a rotating hole is arranged on the pot cover, and the locking piece is rotatably arranged on the pot cover through the cooperation of the second fulcrum and the rotating hole to form a lever structure.

[0008] A first action part is arranged at one end of the linkage rod, a first action position is arranged on the button, and when the button is pressed, the first action position acts on the first action part; the button is arranged at the edge of the pot cover.

[0009] A second acting part is arranged at the other end of the linkage rod, the first fulcrum is located between the first acting part and the second acting part, and a second acting position is arranged at one end of the locking member; when the linkage rod rotates, the second acting part acts on the second acting position to drive the locking member to rotate; when the locking member rotates, the second acting position acts on the second acting part to drive the linkage rod to rotate.

[0010] The locking portion includes a first buckle position arranged at the other end of the locking member and a second buckle position arranged on the pot body; the second fulcrum is located between the second action position and the first buckle position, when the locking member is rotated to the first position, the first buckle position and the second buckle position are disengaged from each other, and when the locking member is rotated to the second position, the first buckle position and the second buckle position are locked with each other.

[0011] After the pot cover is unlocked and the button is released, the locking member drives the linkage rod to rotate to the second position under the action of the first elastic member. When the linkage rod rotates, it acts on the first action position through the first action part to reset the button.

[0012] It also includes a movable part and a second elastic part arranged on the pot cover, the second elastic part is arranged between the movable part and the pot cover, the movable part is arranged on the locking part for upward and downward movement, and a limiting action part is arranged on the pot body; when the first buckle position and the second buckle position are disengaged from each other, the movable part moves downward to the third position under the action of the second elastic part, and when the first buckle position and the second buckle position are locked with each other, the limiting action part acts on the movable part to make the movable part move upward to the fourth position.

[0013] A first inclined surface is arranged on the first buckle position, and a second inclined surface is arranged on the second buckle position; when the pot lid is closed, the locking member drives the linkage rod to rotate in the first direction under the cooperation of the first inclined surface and the second inclined surface, and when the locking member rotates to the corresponding position, the limiting action part acts on the movable member to make the movable member move upward to the fourth position, and makes the locking member rotate to the first position, a gap is formed between the first buckle position and the second buckle position, and the locking member drives the linkage rod to rotate to the second position under the action of the first elastic member, so that the first buckle position and the second buckle position are locked with each other.

[0014] The movable part is provided with a guide groove, and the locking part is provided with a guide edge. The movable part moves up and down on the locking part through the cooperation of the guide groove and the guide edge.

[0015] The utility model arranges a button, a linkage rod, a locking piece and a first elastic piece. The linkage rod and the locking piece are rotatably arranged on the pot cover. The button is linked to the linkage rod, and the linkage rod is linked to the locking piece to form a double-lever structure, so that the transmission between the components is more stable. Under the action of the linkage rod and the first elastic piece, the first buckle position of the locking piece is tightly buckled with the second buckle position of the pot body, and it is not easy to automatically disengage and unlock. In addition, the double-lever structure enables the button to be arranged at the edge of the pot cover, and the buckle position is also arranged at the edges of the pot body and the pot cover, so that the pot cover locking structure occupies less space. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a schematic diagram of the overall structure of the electric rice cooker when the pot cover is closed in one embodiment.

[0017] Figure 2 The utility model is a schematic diagram of the overall structure of the electric rice cooker when the pot cover is opened in one embodiment.

[0018] Figure 3 It is a partial structural schematic diagram of an electric rice cooker in one embodiment of the utility model.

[0019] Figure 4 It is a partial structural exploded view of an electric rice cooker in one embodiment of the utility model.

[0020] Figure 5 It is a schematic diagram of the exploded structure of the pot cover locking structure in one embodiment of the utility model.

[0021] Figure 6 It is a cross-sectional view of the electric rice cooker when the lid is closed and locked in one embodiment of the utility model.

[0022] Figure 7 for Figure 6 Schematic diagram of the enlarged structure at E in the middle.

[0023] Figure 8 This is a cross-sectional view of a pot lid when it is closed and unlocked in one embodiment of the utility model.

[0024] Fig. 9 for Figure 8 Schematic diagram of the enlarged structure at F in the middle.

[0025] Fig.10 It is a cross-sectional view of another cross section of the electric rice cooker when the lid is closed and locked in one embodiment of the utility model.

[0026] Fig.11 for Fig.10 Schematic diagram of the enlarged structure at G in the middle.

[0027] Fig.12 It is a cross-sectional view of the pot cover in the process of closing in one embodiment of the utility model.

[0028] Fig.13 for Fig.12 Schematic diagram of the enlarged structure at H in the middle. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0030] See also Figure 1-Figure 13 The pot cover locking structure of the electric rice cooker comprises a pot body 1 and a pot cover 2 which is rotatably opened and closed and is arranged on the top of the pot body 1, and also comprises a button 3, a linkage rod 4, a locking member 5 and a first elastic member 6 which are arranged on the pot cover 2, the linkage rod 4 and the locking member 5 are rotatably arranged on the pot cover 2, the first elastic member 6 is arranged between the locking member 5 and the pot cover 2, a locking part is arranged between the locking member 5 and the pot body 1, the button 3 is linked with the linkage rod 4, and the linkage rod 4 is linked with the locking member 5; the linkage rod 4 drives the locking member 5 to rotate to the first position A under the pressing action of the button 3, so as to unlock the pot cover 2 through the locking part, at which time the pot cover 2 can be opened, and the locking member 5 drives the linkage rod 4 to rotate to the second position B under the action of the first elastic member 6, so that the pot cover 2 is locked on the pot body 1 through the locking part, at which time the pot cover 2 is locked and cannot be opened.

[0031] A notch 7 is provided on the pot cover 2, and a first fulcrum 8 is provided in the middle of the linkage rod 4. The first fulcrum 8 is provided in the notch 7, and the first fulcrum 8 is against the bottom wall 9 of the notch 7. The linkage rod 4 is provided on the pot cover 2 through the coordinated rotation of the fulcrum 8 and the bottom wall 9 to form a lever structure.

[0032] The locking member 5 is provided with a second fulcrum 10, and the pot cover 2 is provided with a rotation hole 11. The locking member 5 is rotatably arranged on the pot cover 2 through the cooperation between the second fulcrum 10 and the rotation hole 11, thereby forming a lever structure.

[0033] A first action portion 12 is provided at one end of the linkage rod 4, and a first action position 13 is provided on the button 3. When the button 3 is pressed, the first action position 13 acts on the first action portion 12, so that the linkage rod 4 drives the locking member 5 to rotate to the first position A; the button 3 is arranged on the edge of the pot cover 2, the first action position 13 is a notch, and the first action portion 12 is located in the notch.

[0034] A second acting portion 14 is provided at the other end of the linkage rod 4, the first fulcrum 8 is located between the first acting portion 12 and the second acting portion 14, and a second acting position 15 is provided at one end of the locking member 5; when the linkage rod 4 rotates, the second acting portion 14 acts on the second acting position 15 to drive the locking member 5 to rotate; when the locking member 5 rotates, the second acting portion 15 acts on the second acting portion 14 to drive the linkage rod 4 to rotate; the second acting position 15 is a groove, and the second acting portion 14 is located in the groove.

[0035] The locking portion includes a first buckle position 16 arranged at the other end of the locking member 5 and a second buckle position 17 arranged on the pot body 1; the second fulcrum 10 is located between the second action position 15 and the first buckle position 16, when the locking member 5 rotates to the first position A, the first buckle position 16 and the second buckle position 17 are disengaged from each other to unlock the pot cover 2, and when the locking member 5 rotates to the second position B, the first buckle position 16 and the second buckle position 17 are locked with each other to lock the pot cover 2 on the pot body 1; the first buckle position 16 is located at the edge of the pot cover 2, and the second buckle position 17 is located at the edge of the pot body 1.

[0036] After the pot cover 2 is unlocked and the button 3 is released, the locking member 5 drives the linkage rod 4 to rotate to the second position B under the action of the first elastic member 6; specifically, after the pot cover 2 is unlocked, the pot cover 2 is opened, and after the button 3 is released, the locking member 5 drives the linkage rod 4 to rotate to the second position B under the action of the first elastic member 6, and when the linkage rod 4 rotates, it acts on the first action position 13 through the first action portion 12 to reset the button 3.

[0037] It also includes a movable member 18 and a second elastic member 19 arranged on the pot cover 2, the second elastic member 19 is arranged between the movable member 18 and the pot cover 2, the movable member 18 is arranged on the locking member 5 for upward and downward movement, and a limiting action portion 20 is arranged on the pot body 1; when the first buckle position 16 and the second buckle position 17 are disengaged from each other, the movable member 18 moves downward to the third position C under the action of the second elastic member 19, and when the first buckle position 16 and the second buckle position 17 are locked with each other, the limiting action portion 20 acts on the movable member 18 to make the movable member 18 move upward to the fourth position D.

[0038] A first inclined surface 22 is provided on the first buckle position 16, and a second inclined surface 23 is provided on the second buckle position 17; when the pot cover 2 is closed (pressed down), the locking member 5 drives the linkage rod 4 to rotate in the first direction a under the cooperation of the first inclined surface 22 and the second inclined surface 23, and when the locking member 5 rotates to the corresponding position, the limiting action part 20 acts on the movable member 18 to make the movable member 18 move upward to the fourth position D, and the locking member 5 rotates to the first position A, and a gap 24 is formed between the first buckle position 16 and the second buckle position 17. The locking member 5 drives the linkage rod 4 to rotate to the second position B under the action of the first elastic member 6, so that the first buckle position 16 and the second buckle position 17 are locked with each other, so that the pot cover 2 is locked on the pot body 1.

[0039] Guide grooves 25 are provided on both sides of the movable member 18 , and guide edges 26 are provided on both sides of the locking member 5 . The movable member 18 moves up and down on the locking member 5 through the cooperation between the guide grooves 25 and the guide edges 26 .

[0040] The first elastic member 6 and the second elastic member 19 are springs.

[0041] The pot cover 2 includes an upper cover 21 and a lower cover 27 , and a receiving cavity 28 is formed between the upper cover 21 and the lower cover 27 . The linkage rod 4 , the locking member 5 , the first elastic member 6 , the movable member 18 and the second elastic member 19 are arranged in the receiving cavity 28 .

[0042] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A rice cooker lid locking structure, comprising a rice cooker body (1) and a rice cooker lid (2) rotatably opened and closed and arranged on the top of the rice cooker body (1), characterized in that: The invention also comprises a button (3), a linkage rod (4), a locking member (5) and a first elastic member (6) arranged on the pot cover (2); the linkage rod (4) and the locking member (5) are rotatably arranged on the pot cover (2); the first elastic member (6) is arranged between the locking member (5) and the pot cover (2); a locking portion is arranged between the locking member (5) and the pot body (1); the button (3) is linked to the linkage rod (4); the linkage rod (4) is linked to the locking member (5); under the pressing action of the button (3), the linkage rod (4) drives the locking member (5) to rotate to a first position (A) so as to unlock the pot cover (2) through the locking portion; under the action of the first elastic member (6), the locking member (5) drives the linkage rod (4) to rotate to a second position (B) so that the pot cover (2) is locked to the pot body (1) through the locking portion.

2. The rice cooker lid locking structure according to claim 1, characterized in that: A notch (7) is provided on the pot cover (2), a first fulcrum (8) is provided on the linkage rod (4), the first fulcrum (8) is provided in the notch (7), and the first fulcrum (8) abuts against a bottom wall (9) of the notch (7), and the linkage rod (4) is rotatably arranged on the pot cover (2) through the cooperation of the fulcrum (8) and the bottom wall (9), thereby forming a lever structure.

3. The rice cooker lid locking structure according to claim 2, characterized in that: The locking member (5) is provided with a second fulcrum (10), and the pot cover (2) is provided with a rotation hole (11). The locking member (5) is rotatably arranged on the pot cover (2) through the cooperation between the second fulcrum (10) and the rotation hole (11), thereby forming a lever structure.

4. The rice cooker lid locking structure according to claim 3, characterized in that: A first action portion (12) is provided at one end of the linkage rod (4), and a first action position (13) is provided on the button (3). When the button (3) is pressed, the first action position (13) acts on the first action portion (12); the button (3) is arranged on the edge of the pot cover (2).

5. The rice cooker lid locking structure according to claim 4, characterized in that: The other end of the linkage rod (4) is provided with a second acting portion (14), the first fulcrum (8) is located between the first acting portion (12) and the second acting portion (14), and one end of the locking member (5) is provided with a second acting position (15); when the linkage rod (4) rotates, the second acting portion (14) acts on the second acting position (15) to drive the locking member (5) to rotate; when the locking member (5) rotates, the second acting position (15) acts on the second acting portion (14) to drive the linkage rod (4) to rotate.

6. The rice cooker lid locking structure according to claim 5, characterized in that: The locking portion comprises a first buckle position (16) arranged at the other end of the locking member (5) and a second buckle position (17) arranged on the pot body (1); the second fulcrum (10) is located between the second action position (15) and the first buckle position (16); when the locking member (5) rotates to the first position (A), the first buckle position (16) and the second buckle position (17) are disengaged from each other; when the locking member (5) rotates to the second position (B), the first buckle position (16) and the second buckle position (17) are locked with each other.

7. The rice cooker lid locking structure according to claim 6, characterized in that: After the pot cover (2) is unlocked and the button (3) is released, the locking member (5) drives the linkage rod (4) to rotate to the second position (B) under the action of the first elastic member (6). When the linkage rod (4) rotates, it acts on the first action position (13) through the first action portion (12) to reset the button (3).

8. The rice cooker lid locking structure according to claim 7, characterized in that: The invention also comprises a movable member (18) and a second elastic member (19) arranged on the pot cover (2), the second elastic member (19) being arranged between the movable member (18) and the pot cover (2), the movable member (18) being arranged on the locking member (5) so as to move up and down, and a limiting action part (20) being arranged on the pot body (1); when the first buckle position (16) and the second buckle position (17) are disengaged from each other, the movable member (18) moves downward to a third position (C) under the action of the second elastic member (19), and when the first buckle position (16) and the second buckle position (17) are locked with each other, the limiting action part (20) acts on the movable member (18) so that the movable member (18) moves upward to a fourth position (D).

9. The rice cooker lid locking structure according to claim 8, characterized in that: The first buckle position (16) is provided with a first inclined surface (22), and the second buckle position (17) is provided with a second inclined surface (23); when the pot cover (2) is closed, the locking member (5) drives the linkage rod (4) to rotate in the first direction (a) under the cooperation of the first inclined surface (22) and the second inclined surface (23); when the locking member (5) rotates to the corresponding position, the limiting action part (20) acts on the movable member (18) to make the movable member (18) move upward to the fourth position (D), and the locking member (5) rotates to the first position (A); a gap (24) is formed between the first buckle position (16) and the second buckle position (17); the locking member (5) drives the linkage rod (4) to rotate to the second position (B) under the action of the first elastic member (6), so that the first buckle position (16) and the second buckle position (17) are locked with each other.

10. The rice cooker lid locking structure according to claim 8, characterized in that: The movable member (18) is provided with a guide groove (25), and the locking member (5) is provided with a guide edge (26). The movable member (18) moves up and down on the locking member (5) through the cooperation between the guide groove (25) and the guide edge (26).

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