CN106889863B

CN106889863B - cover opening button structure and electric cooker

Info

Publication number: CN106889863B
Application number: CN201510971400.1A
Authority: CN
Inventors: 陈伟; 朱传斌; 袁伟; 黎国柱; 陈显怀
Original assignee: Midea Group Co Ltd; Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date: 2015-12-18
Filing date: 2015-12-18
Publication date: 2019-12-06
Anticipated expiration: 2035-12-18
Also published as: CN106889863A

Abstract

The invention relates to a cover opening button structure and an electric cooker, wherein the cover opening structure comprises an inner cover, a sliding block and a support, the sliding block is connected with the outer surface of the inner cover in a sliding manner, one end of the support is connected with the outer surface of the inner cover in a rotating manner, one end of the sliding block is provided with a clamping tongue, and the support is positioned above the sliding block; and the lower surface of the other end of the support is provided with a pushing part, and the pushing part is in rolling contact with the supporting surface. According to the invention, the pushing part is in rolling contact with the supporting surface, so that the sliding friction between the pushing part and the supporting surface can be converted into rolling friction, the sliding resistance is reduced, and the smoothness of the movement of the whole uncapping button structure is facilitated.

Description

cover opening button structure and electric cooker

Technical Field

The invention relates to an uncovering button structure and an electric cooker comprising the same.

background

The cover opening smoothness of small household electrical appliances such as electric cookers, pressure cookers and the like is an important aspect for measuring the quality of product user experience. The utility model provides a commonly used cap opening button structure mainly includes support, slider and removable cover, the support of current cap opening button structure stretch out the end with cap opening button slider inclined plane direct contact carries out relative slip, pushes down cap opening button's support, and through the effect of contact surface upper force, the slider that promotes cap opening button moves backward, realizes uncapping. However, in the existing structure, the extending end of the support of the cover opening button is directly contacted with the inclined surface of the sliding block, so that the friction resistance is large, the cover opening process is not smooth, the pause and the frustration are caused, and the use experience of a user is greatly influenced.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides an uncovering button structure and an electric cooker.

The technical scheme for solving the technical problems is as follows: a cover opening button structure comprises an inner cover, a sliding block and a support, wherein the sliding block is connected with the outer surface of the inner cover in a sliding mode, one end of the support is connected with the outer surface of the inner cover in a rotating mode, a clamping tongue is arranged at one end of the sliding block, and the support is located above the sliding block; and the lower surface of the other end of the support is provided with a pushing part, and the pushing part is in rolling contact with the supporting surface.

The invention has the beneficial effects that: according to the invention, the pushing part is in rolling contact with the supporting surface, so that the sliding friction between the pushing part and the supporting surface can be converted into rolling friction, the sliding resistance is reduced, and the smoothness of the movement of the whole uncapping button structure is facilitated.

on the basis of the technical scheme, the invention can be further improved as follows.

Further, the pushing portion includes:

One end of the sliding tongue is vertically fixed on the lower surface of the bracket;

The rolling device is rotatably connected with the other end of the sliding tongue, and extends out of the other end of the sliding tongue by a preset length; when the pushing part moves downwards, the rolling device is contacted with the supporting surface and pushes the sliding block to slide.

The beneficial effect of adopting the further scheme is that: the sliding block is pushed to move by rolling the rolling device on the supporting surface through the arrangement of the sliding tongue and the rolling device extending out of the end part of the sliding tongue by a preset length; on one hand, when the rolling device is worn, the rolling device can be conveniently replaced, and on the other hand, when the rolling device extends out of the end part of the sliding tongue by a preset length, the end part of the sliding tongue can be prevented from contacting with the supporting surface to be worn.

furthermore, the sliding tongue is of an inverted trapezoidal block structure, the upper end surface of the sliding tongue is fixed on the lower surface of the other end of the bracket, an inclined surface of the sliding tongue is positioned above the supporting surface, and the lower part of the inclined surface is connected with the lower end surface of the sliding tongue through an arc surface;

The cambered surface is provided with a groove, the clamping surface of the rolling device is matched with the shape of the groove and clamped in the groove, and the rolling surface of the rolling device extends out of the groove and is in rolling contact with the supporting surface.

The beneficial effect of adopting the further scheme is that: the longitudinal section of the sliding tongue is of an inverted trapezoidal structure, and the inclined plane of the sliding tongue is positioned above the supporting surface, so that the edge of the sliding tongue can be prevented from contacting the supporting surface in the rolling process of the rolling device along the supporting surface; the lower part of one inclined plane of the sliding tongue is connected with the lower end surface of the sliding tongue through an arc surface, so that the part of the rolling device extending out of the sliding tongue is larger, and the tip of the corner of the sliding tongue is prevented from being clamped on a supporting surface; the groove is formed in the bottom of the block-shaped sliding tongue, one part of the rolling device is clamped in the groove, the other part of the rolling device extends out of the groove, other connecting pieces do not need to be arranged, the rolling device is in rolling connection with the inner wall of the groove, and the structure is simpler and more convenient.

Furthermore, the sliding tongue comprises two connecting sheets which are arranged in parallel, the connecting sheets are perpendicular to the supporting surface, and a connecting shaft is vertically fixed between the two connecting sheets; the rolling device is inserted on the connecting shaft and is rotationally connected with the connecting shaft; the rolling surface of the rolling device is in rolling contact with the supporting surface.

further, in the process that the rolling device rolls on the supporting surface, the contact surface of the rolling device and the supporting surface is of an arc-shaped surface structure, and the part of the rolling device, which is in contact with the supporting surface, is of an arc-shaped structure.

The beneficial effect of adopting the further scheme is that: the contact edge of the rolling device and the supporting surface is arranged to be of an arc line structure, so that the rolling process is smoother.

Further, the rolling means comprises a cylindrical roller or a ball.

Further, the support portion includes:

The boss is formed by protruding the middle part of the sliding block upwards along the sliding direction of the sliding block;

The supporting inclined plate is integrally connected to the boss and close to one end of the clamping tongue, the surface of the supporting inclined plate is a supporting surface, and the supporting surface faces to the direction of stress of the sliding block.

Further, the included angle between the supporting surface and the horizontal plane is 45 degrees.

The beneficial effect of adopting the further scheme is that: the supporting part is integrally provided with the supporting inclined plate to form a supporting surface, and the inclination angle of the supporting surface is 45 ℃, so that the supporting strength of the supporting part is higher, and the friction force is minimum.

Furthermore, a through hole is formed in the sliding block at one end, close to the clamping tongue, of the boss, and the supporting inclined plate extends to the bottom end of the through hole and is integrally connected with the side wall of the through hole; the cross sections of the through hole and the boss are square, and the width of the through hole is larger than the maximum width of the cross section of the rolling device.

the beneficial effect of adopting the further scheme is that: through the through holes arranged on the sliding blocks, when the rolling device rolls on the supporting inclined plate, the rolling device can roll along the through holes, and the rollers are prevented from falling out of the supporting surface.

an electric cooker comprises the cover opening button structure.

Drawings

FIG. 1 is a schematic perspective view of a bracket according to the present embodiment;

FIG. 2 is a schematic perspective view of a slider according to the present embodiment;

FIG. 3 is a schematic cross-sectional view of the holder and the slider of this embodiment disposed on the inner lid;

FIG. 4 is a schematic perspective view of a tongue of the first embodiment of the present embodiment;

FIG. 5 is a schematic perspective view of a second embodiment of a tongue of the present embodiment;

FIG. 6 is a schematic cross-sectional view illustrating a combined sliding tongue and rolling device according to a second embodiment of the present invention;

FIG. 7 is a schematic diagram of the supporting surface of the slider under stress according to the present embodiment;

Fig. 8 is a schematic diagram of the force applied to the pushing portion of the bracket according to the embodiment.

in the drawings, the components represented by the respective reference numerals are listed below:

1. an inner cover; 2. a slider; 21. a support portion; 211. a boss; 212. supporting the inclined plate; 2121. a support surface; 22. a latch; 23. a through hole; 3. a support; 31. a pushing part; 311. a sliding tongue; 3111. an upper end surface; 3112. a lower end face; 3113. a bevel; 3114. a cambered surface; 3115. connecting sheets; 3116. a connecting shaft; 3117. a groove; 312. a rolling device; 3121. a roller; 3122. rolling a ball; 32. a rotating shaft.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1-3, the cap opening button structure of the present embodiment includes an inner cap 1, a slider 2 and a bracket 3, the slider 2 is slidably connected to an outer surface of the inner cap 1, one end of the bracket 3 is rotatably connected to the outer surface of the inner cap 1 through a rotating shaft 32, one end of the slider 2 is provided with a latch 22, the bracket 3 is located above the slider 2, the upper surface of the slider 2 is fixedly provided with a support portion 21, and the support portion 21 is provided with a support surface 2121; the lower surface of the other end of the bracket 3 is provided with a pushing part 31, and the pushing part 31 is in rolling contact with the supporting surface.

as shown in fig. 2, the support portion 21 of the present embodiment includes a boss 211 and a support sloping plate 212, the boss 211 is formed by the middle of the slider 2 protruding upward along the slider sliding direction; the supporting sloping plate 212 is integrally connected to one end, close to the clamping tongue 22, of the boss 211, the surface of the supporting sloping plate 212 is a supporting surface, the supporting surface inclines towards the stress direction of the sliding block, and the included angle between the supporting surface and the horizontal plane is 45 degrees. Fig. 7 and 8 are schematic diagrams of the stress on the slider supporting surface of the open cover button and the pushing portion of the open cover button bracket, respectively, wherein the following stress relationship is easily obtained by neglecting the influence of the friction force on the slider in fig. 6:

FN0 sin θ Fx kx formula (1)

FN0 cos theta (FN 1) equation (2)

in the formula (1) and the formula (2), FN0 is the pressure applied to the supporting surface and perpendicular to the supporting surface, theta is the included angle between the supporting surface and the horizontal plane, and FN1 and Fx are the forces of FN0 after decomposition in the vertical direction and the horizontal direction respectively.

The relationship between the friction force f received by the bracket pushing portion and FN0 is as shown in formula (3), and the resolving force of f in the vertical direction is equal to the resolving force of FN0 in the vertical direction.

Equation (3) for FN0 sin θ

the downward pressure F of the pushing portion of the stent can be derived by the formula (1) to the formula (3), as shown in the formula (4).

FN0 cos θ + F sin θ equation (4)

Converting equation (4) results in equation (5), shown below.

(formula 5)

In the above formula (1) -formula (5), FN0 is the pressure applied to the supporting surface perpendicular to the supporting surface, θ is the angle between the supporting surface and the horizontal plane, F is the downward pressure of the pushing portion of the stent, FN1 and Fx are the forces after the decomposition of FN0 in the vertical direction and the horizontal direction, respectively, and F is the friction applied to the pushing portion of the stent. From equation (5), it can be seen that F has a minimum value of 2kx when the support surface is inclined at an angle of 45 °. At the moment, the corresponding positive pressure of the inclined plane is minimum, and the friction force is minimum.

As shown in fig. 1, 3-6, the sliding tongue 311 of the present embodiment is vertically fixed on the lower surface of the bracket 3; the preferred embodiment of the tongue of this embodiment is as follows:

the first implementation mode comprises the following steps: as shown in fig. 4, the sliding tongue 311 of the present embodiment includes two connecting pieces 3115 arranged in parallel, the connecting piece 3115 is perpendicular to the supporting surface 2121, and a connecting shaft 3116 is vertically fixed between the two connecting pieces 3115; the rolling device 312 is sleeved on and rotatably connected with the connecting shaft 3116.

The second embodiment: as shown in fig. 5 and fig. 6, the sliding tongue 311 of the present embodiment is in a block shape, the sliding tongue 311 is in an inverted trapezoid block structure, an upper end surface 3111 of the sliding tongue 311 is fixed on a lower surface of the other end of the bracket 3, an inclined surface 3113 of the sliding tongue 311 is located above the supporting surface 2121, and a lower portion of the inclined surface 3113 is connected with a lower end surface 3112 of the sliding tongue 311 through an arc surface 3114;

The curved surface 3114 of the sliding tongue 311 is provided with a groove 3117, the clamping surface of the rolling device 312 is clamped in the groove 3117 and is matched with the shape of the groove 3117, and the rolling surface of the rolling device 312 extends out of the groove 3117 and is in rolling contact with the supporting surface 2121.

The rolling device of the embodiment is rotationally connected with the sliding tongue, and the rolling device extends out of the groove for a preset length; when the pushing part moves downwards, the rolling device is contacted with the supporting surface and pushes the sliding block to slide. The rolling device of the embodiment has various implementation modes, the rolling device can adopt any shape and structure, and the rolling device only needs to meet the requirement that the contact part of the rolling device and the supporting surface is in an arc-shaped structure in the rolling process on the supporting surface. Several preferred embodiments of this embodiment are as follows:

The first implementation mode comprises the following steps: as shown in fig. 1, the rolling device 312 of the present embodiment includes a roller 3121, and the roller 3122 has a cylindrical shape. When the sliding tongue 311 is formed by two connecting pieces 3115, the connecting shaft 3116 passes through the roller 3121 along the central axis of the cylindrical roller 3121 and is rotatably connected with the roller 3121, and the minimum distance between the edge of the roller 3121 and the edge of the connecting piece 3115 is 1/2 of the radius of the roller.

The second embodiment: as shown in fig. 6, the rolling device 312 of the present embodiment includes a rolling ball 3121. Ball 3121 is disposed within groove 3117 of the block-shaped tongue, and the length of the ball protruding from the groove should be less than the radius of the ball.

the length of the rolling device of the embodiment, which extends from the end of the sliding tongue, is 0.8mm-1.5mm, and 1mm is preferably adopted.

the structure of the cap release button of the present embodiment can be used in any device having a cover. When the supporting part and the pushing part are not in rolling connection, the force required for pressing the sliding tongue down to the bottom of the sliding block is about 15N; by adopting the rolling device of the embodiment, the cover opening force is less than 10N, and the abrasion of the sliding block and the bracket can be effectively reduced.

The upper cover of the electric cooker comprises the cover opening button structure; the inner wall of the electric cooker is provided with a slot, the clamping tongue is inserted in the slot, when the support is pressed downwards, the pushing part pushes the supporting part to move, the clamping tongue of the supporting part moves towards the direction opposite to the opening direction of the slot, the clamping tongue moves out of the slot, and the cover of the electric cooker is opened upwards, so that the cover opening action of the electric cooker is realized.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

in the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A cover opening button structure comprises an inner cover (1), a sliding block (2) and a support (3), wherein the sliding block (2) is connected with the outer surface of the inner cover (1) in a sliding mode, one end of the support (3) is connected with the outer surface of the inner cover (1) in a rotating mode, one end of the sliding block (2) is provided with a clamping tongue (22), the support (3) is located above the sliding block (2), the cover opening button structure is characterized in that a supporting portion (21) is fixedly arranged on the upper surface of the sliding block (2), and a supporting surface (2121) is arranged on the supporting portion (21); the lower surface of the other end of the bracket (3) is provided with a pushing part (31), and the pushing part (31) is in rolling contact with the supporting surface (2121);

the pushing portion (31) includes:

One end of the sliding tongue (311) is vertically fixed on the lower surface of the bracket (3);

the rolling device (312) is rotatably connected with the other end of the sliding tongue (311), and the rolling device (312) extends out of the other end of the sliding tongue (311) by a preset length; when the pushing part (31) moves downwards, the rolling device (312) is contacted with the supporting surface (2121) and pushes the sliding block (2) to slide.

2. A structure of a door release button according to claim 1, wherein the sliding tongue (311) is in an inverted trapezoid block structure, an upper end surface (3111) of the sliding tongue (311) is fixed on a lower surface of the other end of the bracket (3), a slope (3113) of the sliding tongue (311) is located above the supporting surface (2121) and a lower portion of the slope (3113) is connected with a lower end surface (3112) of the sliding tongue (311) through a cambered surface (3114);

A groove (3117) is formed in the arc surface (3114), a clamping surface of the rolling device (312) is matched with the shape of the groove (3117) and clamped in the groove (3117), and a rolling surface of the rolling device (312) extends out of the groove (3117) and is in rolling contact with the supporting surface (2121).

3. A structure of a door-opening button as claimed in claim 1, wherein said slide tongue (311) comprises two connecting pieces (3115) arranged in parallel, said connecting pieces (3115) being perpendicular to said supporting surface (2121), a connecting shaft (3116) being fixed perpendicularly between said two connecting pieces (3115); the rolling device (312) is sleeved on the connecting shaft (3116) and is in rotating connection with the connecting shaft; the rolling surface of the rolling device (312) is in rolling contact with the support surface (2121).

4. a structure of a door release button according to any one of claims 1 to 3, wherein during the rolling of the rolling means (312) on the support surface (2121), the portion of the rolling means (312) in contact with the support surface (2121) is in an arc-shaped configuration.

5. A cover release button structure as defined in claim 4 wherein said rolling means (312) comprises a cylindrical roller (3121) or a ball (3122).

6. A structure of a door release button according to claim 5, wherein the support portion (21) comprises:

The boss (211) is formed by protruding the middle part of the sliding block (2) upwards along the sliding direction of the sliding block (2);

support swash plate (212), support swash plate (212) body coupling be close to on boss (211) the one end of block tongue (22), the surface of supporting swash plate (212) is holding surface (2121), holding surface (2121) orientation slider (2) atress direction slope.

7. A door release button structure as defined in claim 6, wherein said support surface (2121) is angled at 45 ° to the horizontal.

8. The structure of a cap release button according to claim 7, wherein the slider (2) at one end of the boss (211) close to the latch (22) is provided with a through hole (23), and the supporting sloping plate (212) extends to the bottom end of the through hole (23) and is integrally connected with the side wall of the through hole (23); the cross sections of the through hole (23) and the boss (211) are square, and the width of the through hole (23) is larger than the maximum width of the cross section of the rolling device (312).

9. an electric rice cooker comprising the structure of the open cover button according to any one of claims 1 to 8.