阅读说明：本技术 一种家用电器的控制面板机构 (Control panel mechanism of household appliance ) 是由 葛路 于 2019-01-21 设计创作，主要内容包括：本发明涉及一种家用电器的控制面板机构,包括控制面板,所述控制面板的上端铰接在家用电器的壳体上,而使其下端能相对于该壳体向上翻转,该壳体上固定有与上述控制面板相对设置的安装支架,且该安装支架与控制面板之间设置有弹性件,该弹性件的一端固定在控制面板的背面上,另一端固定在安装支架上,上述控制面板的背面上还固定有驱动件,而上述安装支架上转动设置有导向件。与现有技术相比,本发明能实现控制面板的自动向上翻转,从而方便用户操作控制面板,并且本发明未采用电控结构,结构简单,成本低,使用过程中低噪音,用户使用体验良好。(The invention relates to a control panel mechanism of a household appliance, which comprises a control panel, wherein the upper end of the control panel is hinged on a shell of the household appliance, so that the lower end of the control panel can be turned upwards relative to the shell, a mounting bracket which is arranged opposite to the control panel is fixed on the shell, an elastic piece is arranged between the mounting bracket and the control panel, one end of the elastic piece is fixed on the back surface of the control panel, the other end of the elastic piece is fixed on the mounting bracket, a driving piece is also fixed on the back surface of the control panel, and a guide piece is rotatably arranged on the mounting bracket. Compared with the prior art, the automatic overturning device can realize the automatic upward overturning of the control panel, so that a user can conveniently operate the control panel.)

1. A control panel mechanism of a household appliance comprises a control panel (2), and is characterized in that the upper end of the control panel (2) is hinged on a shell (1) of the household appliance, the lower end of the control panel can be turned upwards relative to the shell (1), a mounting bracket (3) which is arranged opposite to the control panel (2) is fixed on the shell (1), an elastic piece is arranged between the mounting bracket (3) and the control panel (2), one end of the elastic piece is fixed on the back of the control panel (2), the other end of the elastic piece is fixed on the mounting bracket (3), a driving piece is further fixed on the back of the control panel (2), and a guide piece is arranged on the mounting bracket (3) in a rotating manner;

when the control panel (2) is in a vertical state, the elastic piece is in a maximum energy storage state, the driving piece and the guide piece are respectively in initial positions and are mutually positioned, the control panel (2) and the mounting bracket (3) are relatively locked, a space is formed between the control panel (2) and the mounting bracket (3), and the space can be used for enabling the control panel (2) to move towards the mounting bracket (3) when the control panel (2) is lightly pressed;

lightly pressing the control panel (2), enabling the driving piece to move from the initial position relative to the guide piece to enable the guide piece to rotate relative to the mounting bracket (3), enabling the elastic piece to release energy storage, enabling the lower end of the control panel (2) to turn upwards under the action of the elastic piece force, and enabling the guide piece to return to the initial position; when the lower end of the control panel (2) is opened to the maximum angle state, the control panel (2) is pressed until the elastic piece is stored again to the maximum state, the driving piece and the guide piece are repositioned again, and the control panel (2) and the mounting bracket (3) are locked again.

2. A control panel mechanism as claimed in claim 1, wherein the elastic member is a torsion spring (4), the driving member comprises a base (6), the base (6) is provided with a driving post (9) and two hooks (8), the two hooks (8) are oppositely arranged and have opposite opening directions, the driving post (9) is arranged between the two hooks; the guide piece comprises a block body (7), a first end (71) of the block body (7) is rotatably arranged on the mounting bracket (3), a second end (72) is provided with a guide groove (73), the guide groove (73) is provided with a guide outlet (734) which is opened towards the direction of the control panel (2), two sides of the second end (72) are respectively provided with a clamping groove (77), and the two clamping grooves (77) are oppositely arranged and are opened towards opposite directions;

when the control panel (2) is in a vertical state, the driving column (9) is positioned at the initial position in the guide groove (73), each clamping hook (8) is respectively clamped in the corresponding clamping groove (77), and each clamping hook (8) can move backwards in the corresponding clamping groove (77) and can be separated from the corresponding clamping groove (77) when rotating along with the guide piece in a specific direction; lightly pressing the control panel (2), enabling the driving column (9) to act on one side wall of the guide groove (73) from the initial position to enable the guide piece to rotate relative to the mounting bracket (3), enabling each clamping hook (8) to be separated from the corresponding clamping groove (77), resetting the guide piece when the driving column (9) moves along the side wall of the guide groove (73) and acts on the other side wall of the guide groove (73), enabling the driving column (9) to slide out from the guide outlet (734) under the action of torsional spring force, and enabling the lower end of the control panel (2) to turn upwards; when the lower end of the control panel (2) is opened to the maximum angle, the control panel (2) is pressed, the driving column (9) slides into the guide groove (73) again from the guide outlet (734) and resets to the initial position, and each hook (8) is clamped into the corresponding clamping groove (77) again.

3. The control panel mechanism as claimed in claim 2, wherein a limit protrusion (75) is protruded from a middle portion of the guide groove (73), a distance between the limit protrusion (75) and a sidewall of the guide groove (73) is matched with a diameter of the driving post (9), an initial position of the driving post (9) is a first corner (730) on the sidewall of the guide groove (73), the sidewall of the guide groove (73) further has a first guide edge (731), a second guide edge (732), a first extension edge (734a) and a second extension edge (734b), the first extension edge (734a) and the second extension edge (734b) are arranged in parallel, free ends of the first guide edge (731) and the second guide edge (731) form the guide outlet (734), an included angle between the first extension edge (734a) and the first guide edge (731) forms the first corner (730), and the second guide edge (732) is connected to the second extension edge (734b), the first guide edge (731) extends towards the second guide edge (732), the size of the first corner (730) is an obtuse angle, the first guide edge (731) is parallel to the second guide edge (732), the guide piece rotates when the driving column (9) abuts against the first guide edge (731), and the guide piece resets to an initial state when the driving column (9) moves to abut against the second guide edge (732).

4. A control panel mechanism as claimed in claim 3, wherein the side wall of the guiding groove (73) further comprises a third guiding edge (733), the third guiding edge (733) is arranged between the first guiding edge (731) and the second guiding edge (732), the third guiding edge (733) is parallel to the first extending edge (734a), and a smooth transition is formed between the first guiding edge (731) and the third guiding edge (733).

5. A control panel mechanism as claimed in claim 2, wherein the second end (72) of the guide member is provided with a protruding disc (74) radially protruding in the circumferential direction around the central axis of the first end (71), the edge of the protruding disc (74) is provided with a pair of notches (76) oppositely arranged, wherein the rear side wall of the upper end of one notch (76) is recessed upward, and the rear side wall of the lower end of the other notch (76) is recessed upward to form the above-mentioned engaging grooves (77), respectively.

6. A control panel mechanism as claimed in claim 5, wherein the mounting bracket (3) is plate-shaped and has two relief openings (33) formed therein, each relief opening (33) being opposite to a corresponding one of the notches (76) when the guide member is in the initial state, and the corresponding hooks (8) being capable of extending into the corresponding notches (76).

7. The control panel mechanism as claimed in claim 6, wherein a stopper rod (75) extending along a central axis direction of the second end (72) of the guide member is protruded from a rear surface of the protruding plate (74), and the mounting bracket (3) is formed with a stopper guide groove (34), the stopper rod (75) can be moved synchronously along the stopper guide groove (34) when the guide member rotates, and the stopper rod (75) abuts against a groove wall of the stopper guide groove (34) in a rotational direction when the guide member rotates in an initial state.

Technical Field

The invention relates to the field of cooking devices, in particular to a control panel mechanism of a household appliance.

Background

The existing oven is generally embedded and arranged at the lower layer of the cabinet, and when the control panel of the oven is operated, a user needs to squat or bend down and keep the eyes basically flush with the control panel. The control operation is troublesome and the user experience is not good.

In order to solve the above problems, chinese patent application No. 201611207711.1 (publication No. CN108243586A) discloses a control panel flip-up and reset mechanism of a household appliance, chinese patent application No. 201710500944.9 (publication No. CN108006717A) discloses a display panel and control panel composite flip-over mechanism of a household appliance, and chinese patent application No. 201710499900.9 (publication No. CN108006716A) discloses a household appliance with a flip-over panel mechanism. Although the above patent can make the user directly operate under the state of standing through the upset control panel, the structure of realizing the control panel upset is more complicated to all need to adopt automatically controlled formula flip structure or automatically controlled and mechanical connecting rod combination's flip structure, the cost is higher, and can produce extra noise and influence user's use experience in the use.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a control panel mechanism of a household appliance, which has simple structure, low cost and low noise.

The technical scheme adopted by the invention for solving the technical problems is as follows: a control panel mechanism of a household appliance comprises a control panel, and is characterized in that the upper end of the control panel is hinged on a shell of the household appliance, so that the lower end of the control panel can be turned upwards relative to the shell, a mounting bracket arranged opposite to the control panel is fixed on the shell, an elastic piece is arranged between the mounting bracket and the control panel, one end of the elastic piece is fixed on the back surface of the control panel, the other end of the elastic piece is fixed on the mounting bracket, a driving piece is also fixed on the back surface of the control panel, and a guide piece is arranged on the mounting bracket in a rotating way; when the control panel is in a vertical state, the elastic piece is in a maximum energy storage state, the driving piece and the guide piece are respectively in initial positions and are mutually positioned, the control panel and the mounting bracket are relatively positioned and locked, a space is formed between the control panel and the mounting bracket, and the space can be used for enabling the control panel to move towards the mounting bracket when the control panel is lightly pressed; lightly pressing the control panel, enabling the driving piece to move from the initial position relative to the guide piece to enable the guide piece to rotate relative to the mounting bracket, enabling the elastic piece to release energy storage, enabling the lower end of the control panel to turn upwards under the action of the elastic piece force, and enabling the guide piece to return to the initial position; when the lower end of the control panel is opened to the maximum angle state, the control panel is pressed until the elastic part is stored again to the maximum state, the driving part and the guide part are repositioned again, and the control panel and the mounting bracket are locked again.

The elastic member may have a specific implementation manner, and in order to make the structure of the present invention simpler, preferably, the elastic member is a torsion spring, the driving member includes a base body, the base body is provided with a driving column and two hooks, the two hooks are oppositely arranged, and the opening directions of the two hooks are opposite, the driving column is arranged between the two hooks; the guide piece comprises a block body, wherein a first end of the block body is rotatably arranged on the mounting bracket, a second end of the block body is provided with a guide groove, the guide groove is provided with a guide outlet facing the direction of the control panel, two sides of the second end are respectively provided with a clamping groove, and the two clamping grooves are oppositely arranged and open in opposite directions; when the control panel is in a vertical state, the driving column is positioned at the initial position in the guide groove, the clamping hooks are respectively clamped in the corresponding clamping grooves, and the clamping hooks can move backwards in the corresponding clamping grooves and can be separated from the corresponding clamping grooves when rotating along with the guide piece in a specific direction; lightly pressing the control panel, enabling the driving column to act on the side wall of one side of the guide groove from the initial position to enable the guide piece to rotate relative to the mounting bracket, enabling each clamping hook to be separated from the corresponding clamping groove, resetting the guide piece when the side wall of the driving column guide groove moves and acts on the side wall of the other side of the guide groove, enabling the driving column to slide out from the guide outlet under the action of torsional spring force, and enabling the lower end of the control panel to turn upwards; when the lower end of the control panel is opened to the maximum angle, the control panel is pressed, the driving column slides into the guide groove from the guide outlet and resets to the initial position, and the clamping hooks are clamped into the corresponding clamping grooves again. When control panel is in vertical state, through the screens of each pothook and corresponding draw-in groove to can realize the mutual location of control panel and guide, and then lock control panel on the installing support, during the upset, through the mating reaction of drive post with the guide slot recess, thereby the drive guide rotates, and then makes control panel and installing support unblock, and upwards overturn and open under the effect of torsional spring force, thereby realize control panel's automatic upset.

In order to enable the driving column to act on the guide part better and enable the control panel and the mounting bracket to be unlocked smoothly, the middle part of the guide groove is convexly provided with a limiting lug, the distance between the limiting lug and the side wall of the guide groove is matched with the diameter of the driving column, the initial position of the driving column is a first rotating angle on the side wall of the guide groove, the side wall of the guide groove is also provided with a first guide edge, a second guide edge, a first extending edge and a second extending edge, the first extending edge and the second extending edge are arranged in parallel, the free ends of the first extending edge and the second extending edge form the guide outlet, an included angle between the first extending edge and the first guide edge forms the first rotating angle, the second guide edge is connected with the second extending edge, the first guide edge extends towards the second guide edge, the size of the first rotating angle is an obtuse angle, the first guide edge is parallel to the second guide edge, and the guide part rotates when the driving column is abutted against the first guide edge, when the driving column moves to abut against the second guide edge, the guide piece resets to the initial state.

In order to enable the driving column to smoothly slide from the first guide edge to the second guide edge along the side wall of the guide groove, so that the guide piece can rotate and reset, the side wall of the guide groove further comprises a third guide edge, the third guide edge is arranged between the first guide edge and the second guide edge, the third guide edge is parallel to the first extending edge, and smooth transition is formed between the first guide edge and the third guide edge.

In order to ensure that each clamping hook can be stably clamped in the corresponding clamping groove and smoothly slide out of the clamping groove, a convex disc is convexly arranged on the second end of the guide piece along the circumferential radial direction by taking the central shaft of the first end of the guide piece as the center, a pair of oppositely arranged notches is arranged on the edge of the convex disc, the rear side wall of the upper end of one notch is upwards sunken, the rear side wall of the lower end of the other notch is upwards sunken, and the clamping grooves are respectively formed.

In order to ensure that the control panel can better move in the space when the control panel is lightly pressed, the mounting bracket is in a plate shape and is respectively provided with two yielding openings, when the guide piece is in an initial state, the yielding openings are respectively opposite to the corresponding notches, and the corresponding clamping hooks can respectively extend into the corresponding notches.

In order to enable the guide piece to rotate more stably and to be stably positioned in the initial state, a limiting rod extending along the direction of the central shaft of the second end of the guide piece is convexly arranged on the back surface of the convex disc, a limiting guide groove is formed in the mounting support, when the guide piece rotates, the limiting rod can move synchronously along the limiting guide groove, and when the guide piece rotates in the initial state, the limiting rod abuts against the groove wall of the limiting guide groove in the rotating direction.

Compared with the prior art, the invention has the advantages that: an elastic part is arranged between the mounting bracket and the control panel, the elastic part is arranged between the mounting bracket and the control panel, a driving part is further fixed on the back surface of the control panel, a guide part is rotatably arranged on the mounting bracket, when the control panel is in a vertical state, the elastic part is in a maximum energy storage state, the driving part and the guide part are respectively positioned at initial positions and are mutually positioned, the control panel and the mounting bracket are relatively positioned and locked, a space is formed between the control panel and the mounting bracket, when the control panel is lightly pressed, the control panel moves towards the mounting bracket, the control panel is lightly pressed, the driving part is displaced from the initial position relative to the guide part to enable the guide part to rotate relative to the mounting bracket, the elastic part releases energy storage, the lower end of the control panel is upwards overturned under the action of the elastic part, and the guide part; when the lower end of the control panel is opened to the maximum angle state, the control panel is pressed until the elastic part is stored again to the maximum state, the driving part and the guide part are repositioned again, and the control panel and the mounting bracket are locked again. Therefore, the control panel can be automatically turned upwards through the structure, so that a user can conveniently operate the control panel.

Drawings

FIG. 1 is a schematic view of a portion of an oven according to an embodiment of the present invention;

FIG. 2 is a schematic view of another embodiment of the oven of the present invention;

FIG. 3 is an enlarged view of portion I of FIG. 2;

FIG. 4 is a schematic structural diagram of a control panel mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 in another direction;

FIG. 6 is a schematic view of the structure of FIG. 4 in still another direction;

FIG. 7 is a schematic structural diagram of a control panel according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of a mounting bracket according to an embodiment of the present invention;

FIG. 9 is a partial exploded view of a mounting bracket according to an embodiment of the invention;

FIG. 10 is a schematic view of the structure of a guide member in an embodiment of the present invention;

fig. 11 is a schematic structural view in another direction of fig. 10.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 11, the present embodiment illustrates an application of the control panel mechanism in an oven, but is not limited to the oven, and the mechanism may also be used in other household appliances, such as a steam box, a microwave oven, and the like. The casing 1 of the oven comprises a mounting plate 11 positioned at the top, a bracket 12 is fixed on the mounting plate 11, the bracket 12 comprises three vertical side plates 121, each vertical side plate 121 is respectively arranged on the left side, the right side and the back side of the top of the mounting plate 11 in a surrounding manner, and a control panel 2 is arranged on the front side opening of the bracket 12.

In this embodiment, the control panel mechanism includes the control panel 2, and two corresponding vertical side plates 121 are respectively hinged to two sides of the upper end of the control panel 2, so that the lower end of the control panel 2 can be turned outwards relative to the bracket 12. Further, the mounting bracket 3 is fixed to the front end of the mounting plate 11, and in the present embodiment, the mounting bracket 3 is plate-shaped, is vertically fixed to the mounting plate 11, and is disposed to face the control panel 2. An elastic member is fixed between the control panel 2 and the mounting bracket 3, in this embodiment, the elastic member is a torsion spring 4, one end of the torsion spring 4 is fixed to the mounting bracket 3, and the other end is fixed to the back of the control panel 2. Specifically, the mounting bracket 3 is provided with a first mounting lug 31 and a second mounting lug 32, respectively, wherein the first mounting lug 31 is vertically disposed, the second mounting lug 32 is horizontally disposed, and an end line of one end of the torsion spring 4 vertically passes through the first mounting lug 31 and then transversely passes through the second mounting lug 32, so that the end of the torsion spring 4 can be stably fixed on the mounting bracket 3. Be fixed with installed part 5 on control panel 2's the back, this installed part 5 epirelief is equipped with third installation lug 51, and the end of the torsional spring 4 other end has first arm 41 and second arm 42, and wherein first arm 41 is vertical wears to establish in above-mentioned third installation lug 51 to make the other end of torsional spring 4 fix on control panel 2, second arm 42 offsets with control panel 2's the back all the time, thereby make torsional spring 4 power can act on control panel 2 better.

Further, a driving member is fixed to the back surface of the control panel 2, and a guide member is rotatably provided to the mounting bracket 3. The driving part comprises a seat body 6, the seat body 6 is bent, the vertical side wall 62 of the seat body is fixed to the back of the control panel 2, the seat body 6 is provided with a driving column 9 and two clamping hooks 8, wherein the transverse side wall 61 of the seat body 6 is located above the vertical side wall 62, the bottom surface of the transverse side wall 61 is fixed with one of the clamping hooks 8 and the driving column 9 respectively, the clamping hook 8 is arranged on the transverse side wall 61 along the front-back direction, the head of the clamping hook 8 is located on the outer side and faces downwards, the driving column 9 vertically extends downwards, the other clamping hook 8 is fixed on the vertical side wall 62 along the front-back direction, the head of the clamping hook 8 faces upwards, and the driving column 9 is.

The guide comprises a block 7, the first end 71 of which block 7 is rotatably arranged on the mounting bracket 3. Specifically, the mounting bracket 3 is provided with a fixing shaft hole 30, an inner portion of the first end 71 is inserted into the fixing shaft hole 30, an outer portion is exposed outside and provided with a positioning through hole 711 penetrating in the radial direction, the outer portion is sleeved with a shaft sleeve 10, and an inner circumferential surface of the shaft sleeve 10 is provided with a pair of positioning protrusions 101 for being clamped into two ends of the positioning through hole 711. The second end 72 of the block 7 has a larger cross section than the first end 71, the top surface of the second end 72 is a plane, and a guide groove 73 is formed on the plane, and the driving column 99 is located in the guide groove 73 when the control panel 2 is in a vertical state.

Furthermore, a limit bump 75 is convexly arranged at the middle part of the guide groove 73, the distance between the limit bump 75 and the side wall of the guide groove 73 is matched with the diameter of the driving column 9, the initial position of the driving column 9 is a first rotating angle 730 on the side wall of the guide groove 73, and the side wall of the guiding groove 73 is further provided with a first guiding edge 731, a second guiding edge 732, a first extending edge 734a and a second extending edge 734b, the first extension edge 734a is arranged parallel to the second extension edge 734b, and a guide outlet 734 is formed between the free ends of the first extension edge 734a and the second extension edge 734b, the guide outlet 734 faces the control panel 2, and the angle between the first extending edge 734a and the first guiding edge 731 constitutes the first rotation angle 730, the second guide leg 732 is connected to the second extension leg 734b, and the first guide leg 731 extends in the direction of the second guide leg 732, the first corner 730 is an obtuse angle, and the first guiding edge 731 is parallel to the second guiding edge 732. In order to smoothly slide the driving column 9 from the first guiding edge 731 to the second guiding edge 732 along the sidewall of the guiding groove 73, so as to achieve the rotation and the resetting of the guiding element, the sidewall of the guiding groove 73 further includes a third guiding edge 733, the third guiding edge 733 is disposed between the first guiding edge 731 and the second guiding edge 732, the third guiding edge 733 is parallel to the first extending edge 734a, and a smooth transition is formed between the first guiding edge 731 and the third guiding edge 733.

Furthermore, two sides of the second end 72 are respectively provided with a slot 77, and the two slots 77 are oppositely arranged and open in opposite directions. Specifically, a convex disc 74 is protruded radially in the circumferential direction from the center axis of the first end 71 of the guide member at the second end 72 thereof, a pair of notches 76 are oppositely arranged at the edge of the convex disc 74, wherein the rear side wall of the upper end of one notch 76 is recessed upward, and the rear side wall of the lower end of the other notch 76 is recessed upward, so as to form the above-mentioned catching groove 77 respectively. Therefore, each hook 8 can be stably clamped in the corresponding slot 77, and can smoothly slide out of the slot 77.

When the control panel 2 is in a vertical state, that is, the control panel 2 is vertically erected at the front side of the mounting plate 11, the torsion spring 4 is in a maximum energy storage state, each hook 8 is clamped in the corresponding clamping groove 77, the driving column 9 is located in the guiding groove 73 and located on the first rotating angle 730, the driving piece and the guiding piece are mutually positioned, and the control panel 2 is locked on the mounting bracket 3. When the user needs to operate the control panel 2, the user lightly presses the control panel 2, and since a space for the control panel 2 to move backward is provided between the control panel 2 and the mounting bracket 3, when the user lightly presses the control panel 2, the driving post 9 moves toward the first guide edge 731, since the guiding member is rotatably disposed on the mounting bracket 3, and the first rotating angle 730 is an obtuse angle, the driving post 9 drives the guiding member to rotate, each clip is disengaged from the corresponding slot 77, the driving post 9 slides along the third guiding edge 733 to the second guiding edge 732, since the second guide edge 732 and the first guide edge 731 are parallel to each other, when the driving column 9 acts on the second guide edge 732, the guide member rotates reversely and returns to the original state, at the same time, the driving column 9 slides out of the guide outlet 734 along the second guide edge 732 and is disengaged from the guide groove 73, the driving member is completely separated from the guide member, and the lower end of the control panel 2 is turned to the highest height. When the operation is finished and the control panel 2 needs to be reset, the control panel 2 is pressed, the driving column 9 slides into the guiding groove 73 along the guiding outlet 734 and slides into the first rotating angle 730 again, each hook 8 is clamped into the corresponding clamping groove 77 again, and the torsion spring 4 is in the maximum energy storage state again, so that the control panel 2 can be stably in the vertical state.

In order to make the space for the control panel 2 to move toward the mounting bracket 3 when the control panel 2 is lightly pressed, in this embodiment, two yielding openings 33 are respectively formed on the mounting bracket 3, when the guide member is in the initial state, each yielding opening 33 is respectively opposite to the corresponding notch 76, and the corresponding hooks 8 can respectively extend into the corresponding notches 76. In addition, in order to make the guide member rotate more smoothly and be positioned in the initial state stably, a limiting rod 75 extending along the central axis direction of the second end 72 of the guide member is protruded from the back surface of the convex disc 74, and the mounting bracket 3 is provided with a limiting guide groove 34, when the guide member rotates, the limiting rod 75 can move synchronously along the limiting guide groove 34, and when the guide member rotates in the initial state, the limiting rod 75 abuts against the groove wall of the limiting guide groove 34 in the rotating direction.