CN107997567B

CN107997567B - Manual upturning and resetting mechanism of household appliance control panel

Info

Publication number: CN107997567B
Application number: CN201710508086.2A
Authority: CN
Inventors: 蒋圣伟; 文广才; 曹骥; 茅忠群; 诸永定
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2017-06-28
Filing date: 2017-06-28
Publication date: 2023-05-26
Anticipated expiration: 2037-06-28
Also published as: CN107997567A

Abstract

The utility model provides a manual upturning and canceling release mechanical system of household electrical appliance control panel, includes control panel subassembly, fixed bolster and link mechanism, and the fixed bolster has two and locates the left and right sides at control panel subassembly back respectively, and link mechanism has two and installs respectively on the fixed bolster of corresponding side, and control panel subassembly installs on the link mechanism and realize upturning and canceling release mechanical system through the linkage with link mechanism, installs spacing axle on the fixed bolster, still including the spacing buckle that can rotate along with link mechanism synchronization, spacing buckle can rotate to spacing epaxial position at spacing to and then make control panel subassembly spacing upturning the state. The manual upturning and resetting mechanism of the control panel of the household appliance is compact in structure, small in required installation space, capable of reducing the volume of the whole household appliance under the condition that the volume of the liner is unchanged, manual in the upturning and resetting mechanism, lower in cost, and capable of enabling the control panel assembly to be limited in the upturning state through the cooperation of the limiting shaft and the limiting buckle.

Description

Manual upturning and resetting mechanism of household appliance control panel

Technical Field

The invention relates to a manual turning-up and resetting mechanism of a control panel of a household appliance.

Background

At present, control panels of a plurality of household appliances can extend and reset, and when the control panels are opened, the control panels can be in an upturned state so as to be convenient for a user to operate. The front end control panel structure of the reversible microwave oven disclosed in Chinese patent application publication No. 201010300642.5 (application publication No. CN 102145284A) comprises a frame which is formed on the front panel of the microwave oven and is communicated with an electric control chamber, and a control panel, wherein the upper end of the control panel rotates by taking the upper frame of the frame as a rotating shaft, and the lower end of the control panel is far away from the frame along with the rotation of the upper end. The upper end of the control panel and the upper end of the frame of the electric control room are hinged. One side of the back of the lower end of the control panel is provided with an arc-shaped rail groove extending into the electric control chamber, the inner side of the side panel of the microwave oven is provided with a positioning column clamped in the arc-shaped rail groove, and when the control panel is turned upwards, the arc-shaped rail groove moves in an arc shape along the positioning column. After adopting above-mentioned structure, the user can adjust the height of control panel as required, no matter the microwave oven is placed in any lower place, also can conveniently select various buttons on the control panel to control the work of microwave oven.

The main problem of the existing control panel stretching and resetting mechanism is that the structure is complex, the installation space is large, the whole machine size is not reduced, and the existing control panel stretching and resetting mechanism has the defect of high cost especially for the electric stretching and resetting mechanism. In addition, after the control panel stretches out, the existing upturning and resetting mechanism is not reliable enough in mechanism limiting and easy to shake. In view of the foregoing, there is a need for further improvements in existing control panel extension and return mechanisms.

Disclosure of Invention

The technical problem to be solved by the invention is to provide the manual turning-up and resetting mechanism of the control panel of the household appliance, which has a simple structure and reliable limit of the control panel in the turning-up state, aiming at the current state of the prior art.

The technical scheme adopted for solving the technical problems is as follows: this manual upturning and canceling release mechanical system of household electrical appliances control panel, including control panel subassembly, its characterized in that: the control panel assembly is characterized by further comprising two fixing supports and a connecting rod mechanism, wherein the two fixing supports are respectively arranged on the left side and the right side of the back of the control panel assembly, the two connecting rod mechanisms are respectively arranged on the fixing supports on the corresponding sides, the control panel assembly is arranged on the connecting rod mechanism and is turned up and reset through linkage with the connecting rod mechanism, the fixing supports are provided with first limiting parts, the fixing supports further comprise second limiting parts which can synchronously rotate along with the connecting rod mechanism, and the second limiting parts can rotate to positions limited on the first limiting parts, so that the control panel assembly is limited in an upturning state.

Preferably, the first limiting member is a limiting shaft, and the second limiting member is a limiting buckle.

The link mechanism can have multiple structures, preferably, link mechanism include driving lever, driven lever, connecting rod, driving shaft, driven shaft and elastic component, driving shaft and driven shaft are installed on the fixed bolster, the driving shaft is the axis of rotation, the upper end of driving lever is connected through first joint on the driving shaft, the driving lever can rotate in step around first joint and driving shaft, the lower extreme of driving lever articulate in the rear end of connecting rod through first pin joint, the driven shaft is the fixed axle, the upper end of driven lever is connected through the second tie point on the driven shaft, the driven lever can rotate around the relative driven shaft of second tie point, the lower extreme of driven lever articulate in the rear end of connecting rod through the second pin joint, the elastic component acts on the driving lever and produces the damping force that prevents driving lever pivoted.

The limiting buckle and the limiting shaft can have various matching structures, preferably, the limiting buckle is installed on the driven rod and can synchronously rotate with the driven rod, the limiting buckle is provided with an inner arc surface which can be matched with the limiting shaft, and the limiting shaft is clamped on the inner arc surface in a control panel upturning state.

The limiting buckle can have various mounting structures, preferably, the limiting buckle comprises a first mounting hole and a second mounting hole, the limiting buckle is mounted on the driven shaft through the first mounting hole, and the limiting buckle is mounted on the driven rod through the second mounting hole.

The elastic member may have various structures, preferably, the elastic member is a torsion spring mounted on the driving shaft, one end of the torsion spring is connected to the driving shaft, and the other end of the torsion spring is connected to the driving rod.

In order to enable the driving rod and the driven rod to translate up and down in the rotating process, the lengths of the driving rod and the driven rod are equal, and the first connecting point, the second connecting point, the first hinging point and the second hinging point form four endpoints of a parallelogram.

Further preferably, the second connection point is located forward and upward of the first connection point, and the second hinge point is located forward and upward of the first hinge point.

In order to enable the control panel assembly to be in a vertical state all the time in the upturning and resetting process, the connecting rod comprises a vertical section, a horizontal section and an inclined section which are sequentially arranged from front to back, the horizontal section horizontally extends backwards from the bottom end of the vertical section, the inclined section extends backwards and downwards from the rear end of the horizontal section, the first hinge point and the second hinge point are arranged on the inclined section, and the vertical section is arranged at the back of the control panel assembly.

It is further preferred that a flexible plastic member is provided at the junction of the driven rod and the link.

Compared with the prior art, the invention has the advantages that: the manual upturning and resetting mechanism of the control panel of the household appliance is compact in structure, small in required installation space, capable of reducing the volume of the whole machine under the condition that the volume of the liner is unchanged, manual in the upturning and resetting mechanism, lower in cost, and capable of enabling the control panel assembly to be limited in the upturning state through the cooperation of the first limiting piece and the second limiting piece, so that the mechanism is more stable and reliable in work.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

fig. 2 is a schematic partial structure (upturned state) of an embodiment of the present invention:

FIG. 3 is a schematic view of the structure of FIG. 2 with portions of the fixing bracket removed;

FIG. 4 is a schematic view of a link mechanism in an upturned state according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a limiting buckle according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a link mechanism in a reset state according to an embodiment of the present invention;

fig. 7 is a schematic view of the structure of an electric steamer equipped with the present invention.

Detailed Description

The invention is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 6, the manual turning-up and reset mechanism of the control panel of the household appliance in the present embodiment includes a control panel assembly 1, a link mechanism 2, a fixed bracket 3, a limit shaft 4 and a limit buckle 5. Wherein, the fixed bolster 3 has two and locates the left and right sides at the back of control panel subassembly 1 respectively, and link mechanism 2 has two and installs respectively on the fixed bolster 3 of corresponding side, and control panel subassembly 1 installs on link mechanism 2 and realizes upturning and resetting through the linkage with link mechanism 2. The limiting shaft 4 is a first limiting part and is arranged on the fixed support 3, the limiting buckle 5 is a second limiting part and can synchronously rotate along with the connecting rod mechanism 2, and the limiting buckle 5 can rotate to a position limited on the limiting shaft 4, so that the control panel assembly 1 is limited in an upturning state.

The link mechanism 2 of the present embodiment includes a driving lever 21, a driven lever 22, a link 23, a driving shaft 24, a driven shaft 25, and a torsion spring 26, with the direction indicated by an arrow a in fig. 6 as a forward direction. The driving shaft 24 and the driven shaft 25 are arranged on the fixed support 3, the driving shaft 24 is a rotating shaft, the upper end of the driving rod 21 is connected to the driving shaft 24 through a first connecting point 61, the driving rod 21 can synchronously rotate with the driving shaft 24 around the first connecting point 61, the lower end of the driving rod 21 is hinged to the rear end part of the connecting rod 23 through a first hinging point 71, the driven shaft 25 is a fixed shaft, the upper end of the driven rod 22 is connected to the driven shaft 25 through a second connecting point 62, the driven rod 22 can rotate around the second connecting point 52 relative to the driven shaft 25, and the lower end of the driven rod 22 is hinged to the rear end part of the connecting rod 23 through a second hinging point 72. In order to raise the upturning hand feeling of the mechanism, a flexible plastic part is arranged at the joint of the driven rod 22 and the connecting rod 23, so that the driven rod 22 and the connecting rod 23 are flexibly connected. Torsion spring 26 is mounted on drive shaft 24, one end of torsion spring 26 is connected to drive shaft 24, the other end of torsion spring 26 is connected to drive rod 12, torsion spring 26 acts on drive rod 21 and generates a damping force that resists rotation of drive rod 21.

In order to keep the control panel assembly 1 in an up-and-down translational motion and always in a vertical state during the up-and-down turning and resetting process, in this embodiment, the lengths of the driving lever 21 and the driven lever 22 are equal, and the first connection point 61, the second connection point 62, the first hinge point 71 and the second hinge point 72 form four end points of a parallelogram, the second connection point 62 is located above and forward of the first connection point 61, and the second hinge point 72 is located above and forward of the first hinge point 71. And, the connecting rod 23 includes a vertical section 231, a horizontal section 232 and an inclined section 233 sequentially disposed from front to back, the horizontal section 232 extends horizontally and backward from the bottom end of the vertical section 231, the inclined section 233 extends backward and downward from the rear end of the horizontal section 232, the first hinge point 71 and the second hinge point 72 are disposed on the inclined section 233, and the vertical section 231 is mounted on the back of the control panel assembly 1.

In this embodiment, the limiting buckle 5 is mounted on the driven rod 22 and can rotate synchronously with the driven rod 22. The limiting buckle 5 comprises a first mounting hole 51, a second mounting hole 52 and an inner arc surface 53, wherein the limiting buckle 5 is mounted on the driven 25 through the first mounting hole 51, the limiting buckle 5 is mounted on the driven rod 22 through the second mounting hole 52, the inner arc surface 53 is used for being matched with the limiting shaft 4, and the limiting shaft 4 can limit the control panel assembly 1 to an upturning state after being clamped on the inner arc surface 53.

As shown in fig. 7, the water tank 8 of the electric steam box is located at the back of the control panel assembly 1, when the water tank 8 needs to be taken out in the cooking process, the user uses both hands to turn the two sides of the control panel assembly 1 outwards, drives the link mechanism 2 and the control panel assembly 1 to rotate in sequence, the inner arc surface 53 of the limiting buckle 5 can touch the limiting shaft 4 until the limiting shaft 4 is completely clamped into the inner arc surface 53 in the upturning process, at this time, the mechanism moves to the highest position, the bottom of the control panel assembly 1 is higher than the upper end of the water tank 8, the distance between the lower end surface of the control panel assembly 2 and the upper end surface of the water tank 8 is larger, and the user can conveniently take out the water tank 8 because the horizontal extending distance of the control panel assembly 1 is smaller. After the water tank 8 is filled with water, a user lightly presses the control panel assembly 1, and the control panel assembly 1 can be reset manually.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications or improvements may be made to the present invention without departing from the principles of the present invention, and the manual turning-up and resetting mechanism of the control panel in this embodiment may be applied to various household appliances, especially to cooking appliances with steaming functions, such as steaming boxes, steaming box and oven integrated machines, and so on, which are considered to be within the scope of the present invention.

Claims

1. The utility model provides a manual upturning and canceling release mechanical system of household electrical appliances control panel, includes control panel subassembly (1), its characterized in that: the control panel assembly is characterized by further comprising two fixing brackets (3) and a connecting rod mechanism (2), wherein the two fixing brackets (3) are respectively arranged on the left side and the right side of the back of the control panel assembly (1), the two connecting rod mechanisms (2) are respectively arranged on the fixing brackets (3) on the corresponding sides, the control panel assembly (1) is arranged on the connecting rod mechanism (2) and realizes upturning and resetting through linkage with the connecting rod mechanism (2), the fixing brackets (3) are provided with first limiting pieces, and the control panel assembly further comprises second limiting pieces which can synchronously rotate along with the connecting rod mechanism (2) and can rotate to the position limited on the first limiting pieces, so that the control panel assembly (1) is limited in an upturning state; the first limiting piece is a limiting shaft (4), and the second limiting piece is a limiting buckle (5); the connecting rod mechanism (2) comprises a driving rod (21), a driven rod (22), a connecting rod (23), a driving shaft (24), a driven shaft (25) and an elastic piece, wherein the driving shaft (24) and the driven shaft (25) are installed on the fixed support (3), the driving shaft (24) is a rotating shaft, the upper end of the driving rod (21) is connected to the driving shaft (24) through a first connecting point (61), the driving rod (21) can synchronously rotate with the driving shaft (24) around the first connecting point (61), the lower end of the driving rod (21) is hinged to the rear end of the connecting rod (23) through a first hinging point (71), the driven shaft (25) is a fixed shaft, the upper end of the driven rod (22) is connected to the driven shaft (25) through a second connecting point (62), the driven rod (22) can rotate around the second connecting point (62) relative to the driven shaft (25), the lower end of the driven rod (22) is hinged to the rear end of the connecting rod (23) through a second hinging point (72), and the elastic piece acts on the driving rod (21) and generates damping force for preventing the driving rod (21) from rotating; the limiting buckle (5) is arranged on the driven rod (22) and can rotate synchronously with the driven rod (22), the limiting buckle (5) is provided with an inner arc surface (53) which can be matched with the limiting shaft (4), and the limiting shaft (4) is clamped on the inner arc surface (53) in a control panel upturning state; the limiting buckle (5) comprises a first mounting hole (51) and a second mounting hole (52), the limiting buckle (5) is mounted on the driven shaft (25) through the first mounting hole (51), and the limiting buckle (5) is mounted on the driven rod (22) through the second mounting hole (52).

2. The manual upturning and resetting mechanism of a control panel of a household appliance as claimed in claim 1, characterized in that: the elastic piece is a torsion spring (26) arranged on the driving shaft (24), one end of the torsion spring (26) is connected to the driving shaft (24), and the other end of the torsion spring (26) is connected to the driving rod (12).

3. The manual upturning and resetting mechanism of a control panel of a household appliance as claimed in claim 1, characterized in that: the lengths of the driving rod (21) and the driven rod (22) are equal, and the first connecting point (61), the second connecting point (62), the first hinging point (71) and the second hinging point (72) form four endpoints of a parallelogram.

4. A manual upturning and resetting mechanism for a control panel of a household appliance as claimed in claim 3, characterized in that: the second connection point (62) is located forward and upward of the first connection point (61), and the second hinge point (72) is located forward and upward of the first hinge point (71).

5. A manual upturning and resetting mechanism for a control panel of a household appliance as claimed in claim 3, characterized in that: the connecting rod (23) comprises a vertical section (231), a horizontal section (232) and an inclined section (233) which are sequentially arranged from front to back, the horizontal section (232) horizontally extends backwards from the bottom end of the vertical section (231), the inclined section (233) extends backwards and downwards from the rear end of the horizontal section (232), a first hinge point (71) and a second hinge point (72) are arranged on the inclined section (233), and the vertical section (231) is arranged on the back of the control panel assembly (1).

6. The manual upturning and resetting mechanism of a control panel of a household appliance as claimed in claim 1, characterized in that: a flexible plastic piece is arranged at the joint of the driven rod (22) and the connecting rod (23).