Panel opening and closing structure and household appliance

Abstract

The application relates to the technical field of household appliances, and particularly discloses a panel opening and closing structure and a household appliance. The panel opening and closing structure comprises an executing mechanism and a driving mechanism. The executing mechanism comprises a fixed plate and a connecting rod. The fixed plate is provided with a first sliding groove and a second sliding groove. The first sliding groove and the second sliding groove extend along the front-rear direction while having a lifting trend, and the lifting trends of the first sliding groove and the second sliding groove are opposite. The rear end of the connecting rod is slidably arranged in the first sliding groove, the front end of the connecting rod is connected to a panel, and the middle part of the connecting rod is slidably connected to the second sliding groove. The driving mechanism is in transmission connection with the connecting rod and is used for driving the connecting rod to slide. When the panel needs to be opened, the connecting rod moves forward, the lifting trends of the first sliding groove and the second sliding groove are opposite, and the connecting rod rotates in a vertical plane while moving forward. The front end of the connecting rod is connected to the panel, the connecting rod drives the panel to move forward and move in the vertical direction, so that the panel is opened. The stability of the panel opening and closing is improved through the double-sliding-groove structure.

Description

Technical Field

[0001] This invention relates to the field of household appliance technology, and in particular to a panel opening and closing structure and a household appliance. Background Technology

[0002] Steam ovens require a large amount of steam during cooking. Therefore, a water tank is installed inside the steam oven to provide steam for its normal operation. Currently available water tanks are generally non-fixed, meaning they can be moved relative to the steam oven to facilitate adding water. Existing steam ovens place the water tank behind the control panel, so the water tank can only be removed and added after the control panel is opened to expose it. After adding water, the water tank is then returned to its original position.

[0003] Existing panel opening and closing structures utilize two sets of symmetrically arranged slide rail-linkage structures or two sets of symmetrically arranged slide rail-linkage structures to achieve panel lifting and lowering, thereby realizing panel opening and closing. However, in the existing panel opening and closing structures, each set of slide rail-linkage structures is a single slide rail structure, and each set of slide rail-linkage structures is also a single track structure, which leads to unstable panel movement. Summary of the Invention

[0004] One object of the present invention is to provide a panel opening and closing structure to improve the stability of panel movement.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A panel opening and closing structure, comprising:

[0007] The actuator includes a fixed plate and a connecting rod. The fixed plate is provided with a first slide groove and a second slide groove spaced apart in the front and back. The first slide groove and the second slide groove extend in the front and back direction and have a tendency to rise and fall. The rising and falling trends of the first slide groove and the second slide groove are opposite.

[0008] The rear end of the connecting rod is slidably disposed in the first slide groove, the front end is connected to the panel, and the middle part of the connecting rod is slidably connected in the second slide groove;

[0009] A drive mechanism, connected to the connecting rod, is used to drive the connecting rod to slide along the first slide groove and the second slide groove to open and close the panel.

[0010] Preferably, the first chute includes a first horizontal section and a first inclined section, which are connected; the second chute includes a second horizontal section and a second inclined section, which are connected; the first inclined section and the second inclined section have opposite rising and falling trends.

[0011] Preferably, both the first and second slides are arc-shaped structures.

[0012] Preferably, the drive mechanism includes a support that is capable of horizontal movement, and the support is provided with an inclined third slide groove, the rear end of the connecting rod being slidably connected to the third slide groove.

[0013] Preferably, the rear end of the connecting rod is slidably connected to the first slide groove and the third slide groove via a first connector; the middle part of the connecting rod is slidably connected to the second slide groove via a second connector.

[0014] Preferably, both the first connector and the second connector include a rotating shaft.

[0015] Preferably, both the first connector and the second connector further include bearings, the rotating shaft passes through the bearing, the bearing of the first connector is rotatably disposed in the first groove, and the rotating shaft of the first connector is slidably disposed in the third groove and connected to the rear end of the connecting rod.

[0016] The bearing of the second connector is rotatably disposed within the second groove, and the shaft of the second connector is connected to the middle part of the connecting rod.

[0017] Preferably, the fixing plate includes a base plate and a cover plate, the base plate is disposed between the cover plate and the connecting rod, the first slide groove and the second slide groove each include a first sub-groove and a second sub-groove, the first sub-groove is disposed on the side of the second sub-groove close to the cover plate, the width of the first sub-groove is greater than the width of the second sub-groove, the bearing is rotatably disposed in the first sub-groove, and the rotating shaft is slidably disposed in the second sub-groove.

[0018] Preferably, the portions of the first connector and the second connector that connect to the connecting rod are both connecting parts, the cross-section of the connecting part is polygonal, and the rear end and the middle part of the connecting rod are provided with polygonal holes of the same shape as the connecting parts, and the connecting parts pass through the polygonal holes.

[0019] Another object of the present invention is to provide a household appliance that improves the stability of panel movement.

[0020] To achieve this objective, the present invention adopts the following technical solution:

[0021] A household appliance includes the aforementioned panel opening and closing structure.

[0022] The beneficial effects of this invention are as follows: When the panel needs to be opened, the drive mechanism drives the connecting rod to move forward. Since the first and second sliding grooves have opposite lifting trends, the rear end of the connecting rod is slidably positioned in the first sliding groove, and the middle part of the connecting rod is slidably connected to the second sliding groove. Therefore, while moving forward, the connecting rod rotates in the vertical plane. Furthermore, since the front end of the connecting rod is connected to the panel, the connecting rod drives the panel forward, and under the action of the rotating motion of the connecting rod, the panel moves upward in the vertical direction, thereby opening the panel. During the closing process, the panel and the connecting rod move in opposite directions. This invention, through its double-sliding-groove structure, improves the stability of panel opening and closing. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the panel opening and closing structure provided in an embodiment of the present invention;

[0024] Figure 2 This is a schematic diagram of the panel opening and closing structure provided in an embodiment of the present invention from another perspective;

[0025] Figure 3 This is a cross-sectional view of the panel opening and closing structure provided in an embodiment of the present invention;

[0026] Figure 4 yes Figure 3 A magnified view of a section at point A in the middle;

[0027] Figure 5 This is a schematic diagram of the structure of the base plate provided in an embodiment of the present invention;

[0028] Figure 6 This is a schematic diagram of the structure of the cover plate provided in an embodiment of the present invention;

[0029] Figure 7 This is a schematic diagram of the connecting rod provided in an embodiment of the present invention.

[0030] In the picture:

[0031] 1. Fixing plate;

[0032] 11. First chute; 111. First horizontal section; 112. First inclined section;

[0033] 12. Second chute; 121. Second horizontal section; 122. Second inclined section;

[0034] 13. Base plate; 131. First sub-slot; 132. Second sub-slot;

[0035] 14. Cover plate; 141. Third sub-slot;

[0036] 2. Support; 21. Third slide groove;

[0037] 3. Connecting rod; 31. First segment; 32. Second segment; 33. Third segment;

[0038] 4. Drive mechanism; 41. Drive component; 42. Drive gear; 43. Rack; 44. Connecting shaft;

[0039] 5. First connecting component;

[0040] 51. Rotating shaft; 511. First shaft segment; 512. Second shaft segment; 513. Third shaft segment;

[0041] 52. Bearing; 53. Bushing; 54. Nut;

[0042] 6. Second connecting piece; 7. Base; 8. Front limit switch; 9. Rear limit switch;

[0043] 100. Panel. Detailed Implementation

[0044] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, only the parts relevant to the present invention are shown in the accompanying drawings, not all of them.

[0045] This invention defines certain directional terms. Unless otherwise stated, the directional terms used, such as "up," "down," "left," "right," "inner," and "outer," are used for ease of understanding and therefore do not constitute a limitation on the scope of protection of this invention.

[0046] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0047] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0048] This embodiment provides a panel opening and closing structure, which is mainly used in steam ovens, but is not limited to this. It can also be used in other household appliances to improve the stability of panel 100 opening and closing through the double sliding groove structure.

[0049] like Figure 1 and Figure 2 As shown, the panel opening and closing structure provided in this embodiment includes an actuator and a drive mechanism 4. The actuator includes a fixed plate 1 and a connecting rod 3. The fixed plate 1 has a first sliding groove 11 and a second sliding groove 12 spaced apart from each other. Preferably, the first sliding groove 11 and the second sliding groove 12 can be arranged opposite each other, or the first sliding groove 11 can be located diagonally above or diagonally below the second sliding groove 12. The first sliding groove 11 and the second sliding groove 12 extend in the front-back direction and have a tendency to rise and fall, and the rising and falling trends of the first sliding groove 11 and the second sliding groove 12 are opposite. The rear end of the connecting rod 3 is slidably disposed in the first sliding groove 11, the front end is connected to the panel 100, and the middle part of the connecting rod 3 is slidably connected to the second sliding groove 12. It can be understood that the middle part of the connecting rod 3 does not only refer to the midpoint of the connecting rod 3, but should refer to the part other than the two ends of the connecting rod 3. The drive mechanism 4 is connected to the connecting rod 3 for driving the connecting rod 3 to slide along the first sliding groove 11 and the second sliding groove 12 to open and close the panel 100.

[0050] When panel 100 needs to be opened, drive mechanism 4 drives link 3 to move forward. Since the first slide rail 11 and the second slide rail 12 have opposite lifting trends, the rear end of link 3 is slidably disposed in the first slide rail 11, and the middle part of link 3 is slidably connected to the second slide rail 12. Therefore, while moving forward, link 3 will rotate in the vertical plane. Since the front end of link 3 is connected to panel 100, link 3 drives panel 100 to move forward, and under the action of the rotational movement of link 3, panel 100 moves in the vertical direction, thereby opening panel 100. During the closing process of panel 100, the movement directions of panel 100 and link 3 are opposite.

[0051] like Figure 1As shown, the first slide 11 gradually descends from back to front, and the second slide 12 gradually rises from back to front. Therefore, during the opening of the panel 100, the connecting rod 3 rotates counterclockwise, and the panel 100 moves forward while simultaneously moving upward. Of course, in other embodiments, the first slide 11 can also gradually rise from back to front, and the second slide 12 can gradually descend from back to front. In this case, during the opening of the panel 100, the connecting rod 3 rotates clockwise, and the panel 100 moves forward while simultaneously moving downward.

[0052] Because the panel opening and closing structure provided in this embodiment has better motion stability, the panel 100 can remain stable even when moving at high speed, thereby achieving the purpose of quickly opening and closing the panel 100.

[0053] Preferably, the first slide 11 includes a first horizontal section 111 and a first inclined section 112, which are connected. The second slide 12 includes a second horizontal section 121 and a second inclined section 122, which are connected. The first inclined section 112 and the second inclined section 122 have opposite rising and falling trends. To avoid interference with other components of the steamer when the panel 100 moves vertically upward, the horizontal section is located on the side of the inclined section away from the panel 100. When the panel 100 is opened, it first moves horizontally until there are no other components above or below it. At this point, the panel 100 will not interfere with other components of the steamer when it moves up or down. Of course, in other embodiments, the horizontal section may be located on the side of the inclined section closer to the panel 100, or the first slide 11 and the second slide 12 may only have inclined sections, excluding the horizontal section. At this point, the tilt angle of the tilt section should be set appropriately so that the panel 100 does not interfere with other components during the movement of the connecting rod 3 in the tilt section.

[0054] In other embodiments, the first slide 11 may further include a third horizontal section, wherein a first inclined section 112 is disposed between the first horizontal section 111 and the third horizontal section, and the second slide 12 may further include a fourth horizontal section, wherein a second inclined section 122 is disposed between the second horizontal section 121 and the fourth horizontal section. That is, after the panel 100 undergoes a lifting movement, it performs a horizontal movement again.

[0055] To further improve the stability of the panel 100's movement, both the first slide rail 11 and the second slide rail 12 are arc-shaped structures. That is, the connection between the horizontal and inclined sections, as well as other inflection points of the first slide rail 11 and the second slide rail 12, are all smoothly connected. The first slide rail 11 and the second slide rail 12 can be obtained through simulation analysis so that the connecting rod 3 obtains a curved trajectory with consistent velocity, a smooth acceleration curve, and the most stable motion under the action of the first slide rail 11 and the second slide rail 12.

[0056] To facilitate the sliding of the connecting rod 3 along the first slide groove 11 and the second slide groove 12 by the drive mechanism 4, the drive mechanism 4 includes a support 2. The support 2 is capable of horizontal movement and has an inclined third slide groove 21. The rear end of the connecting rod 3 is slidably connected to the third slide groove 21. That is, the support 2 provides the power for the connecting rod 3 to move along the first slide groove 11 and the second slide groove 12.

[0057] Support 2 moves only horizontally. During the opening of panel 100, as connecting rod 3 slides in the first horizontal section 111 and the second horizontal section 121, its position in the third slide groove 21 remains unchanged. The rear end of connecting rod 3 moves from the first horizontal section 111 to the first inclined section 112 (at this time, the middle part of connecting rod 3 also moves from the second horizontal section 121 to the second inclined section 122). As the first inclined section 112 continues to move, under the action of the first inclined section 112 and the second inclined section 122, the middle part of connecting rod 3 gradually rises and the rear end of connecting rod 3 gradually lowers. Therefore, the rear end of connecting rod 3 slides downward in the third slide groove 21. The overall movement of connecting rod 3 is forward movement and counterclockwise rotation.

[0058] The third slide 21 simplifies the structure of the drive mechanism 4, which only requires the support 2 to move horizontally. In this embodiment, the inclination angle of the third slide 21 is 45°. Of course, in other embodiments, the inclination angle of the third slide 21 can be other acute angles such as 30° or 60°.

[0059] like Figures 2-4 As shown, in this embodiment, to allow the connecting rod 3 to slide simultaneously within the first slide groove 11 and the third slide groove 21, a first connecting member 5 is connected to the rear end of the connecting rod 3, and the rear end of the connecting rod 3 is slidably connected to the first slide groove 11 and the third slide groove 21 through the first connecting member 5. To allow the connecting rod 3 to slide within the second slide groove 12, a second connecting member 6 is connected to the middle part of the connecting rod 3, and the middle part of the connecting rod 3 is slidably connected to the second slide groove 12 through the second connecting member 6.

[0060] Preferably, both the first connecting member 5 and the second connecting member 6 include a bearing 52 and a rotating shaft 51, with the rotating shaft 51 passing through the bearing 52. The bearing 52 of the first connecting member 5 is rolled within the first sliding groove 11 to reduce the friction between the first connecting member 5 and the first sliding groove 11. The rotating shaft 51 of the first connecting member 5 slides through the third sliding groove 21 and is connected to the rear end of the connecting rod 3, thereby allowing the rear end of the connecting rod 3 to slide simultaneously within both the first sliding groove 11 and the third sliding groove 21.

[0061] The bearing 52 of the second connecting member 6 is rolled within the second sliding groove 12 to reduce the friction between the second connecting member 6 and the second sliding groove 12. The rotating shaft 51 of the second connecting member 6 is connected to the middle part of the connecting rod 3 to slide the middle part of the connecting rod 3 with the second sliding groove 12.

[0062] In this embodiment, the fixing plate 1, the connecting rod 3, and the support 2 are arranged sequentially from the outside to the inside. Of course, in other embodiments, the fixing plate 1, the support 2, and the connecting rod 3 can also be arranged sequentially from the outside to the inside, or the support 2, the fixing plate 1, and the connecting rod 3 can be arranged sequentially from the outside to the inside. There is no limitation here, as long as the fixing plate 1, the connecting rod 3, and the support 2 can achieve the above-mentioned connection form with the rotating shaft 51 and the bearing 52.

[0063] Of course, in other embodiments, both the first connector 5 and the second connector 6 can be a rotating shaft 51.

[0064] like Figure 4 and Figure 5 As shown, preferably, in order to confine the bearing 52 within the first slide groove 11 and the second slide groove 12, the fixing plate 1 includes a base plate 13 and a cover plate 14, with the base plate 13 disposed between the cover plate 14 and the connecting rod 3. Both the first slide groove 11 and the second slide groove 12 include a first sub-slot 131 and a second sub-slot 132. The first sub-slot 131 is disposed on the side of the second sub-slot 132 near the cover plate 14. The width of the first sub-slot 131 is greater than the width of the second sub-slot 132, allowing the bearing 52 to roll within the first sub-slot 131, while the rotating shaft 51 slides through the second sub-slot 132. The width of the second sub-slot 132 is less than the outer diameter of the bearing 52, thereby confining the bearing 52 between the second sub-slot 132 and the cover plate 14.

[0065] like Figure 6 As shown, preferably, the first slide groove 11 and the second slide groove 12 may further include a third sub-slot 141. The third sub-slot 141 is formed on the cover plate 14. The third sub-slot 141 and the first sub-slot 131 are the same in size and shape. The end of the rotating shaft 51 passes through the third sub-slot 141.

[0066] like Figure 4 As shown, to improve the stability of the movement of the connecting rod 3, the connecting rod 3 and the rotating shaft 51 cannot rotate relative to each other. Specifically, the parts of the first connecting member 5 and the second connecting member 6 that connect the rotating shaft 51 to the connecting rod 3 are both connecting parts. The cross-section of the connecting part is a polygon with a waist shape, a rectangle, or other shapes. The rear end and the middle part of the connecting rod 3 are provided with polygonal holes of the same shape as the connecting parts, and the connecting parts pass through the polygonal holes. The connecting parts and the polygonal holes cooperate to restrict the relative rotation of the connecting rod 3 and the rotating shaft 51. Of course, in other embodiments, the relative rotation of the connecting rod 3 and the rotating shaft 51 can also be restricted by welding the first connecting member 5 or the second connecting member 6 to the connecting rod 3, or by other means.

[0067] like Figure 4As shown, preferably, the rotating shaft 51 is a stepped shaft, comprising a first shaft segment 511, a second shaft segment 512, and a third shaft segment 513. The diameter of the first shaft segment 511 is larger than that of the second shaft segment 512. The bearing 52 is fixedly connected to the first shaft segment 511, and the stepped surface between the first shaft segment 511 and the second shaft segment 512 can abut against the surface of the connecting rod 3. To reduce the friction between the rotating shaft 51 and the third slide groove 21, a bushing 53 is sleeved on the second shaft segment 512, and the bushing 53 contacts the groove wall of the third slide groove 21. A stop is connected to the third shaft segment 513 to prevent the bushing 53 from disengaging from the rotating shaft 51. Preferably, the stop is a nut 54, and the third shaft segment 513 is provided with external threads, with the nut 54 screwed onto the third shaft segment 513.

[0068] like Figure 7 As shown, preferably, the connecting rod 3 has a broken line structure, including a first segment 31, a second segment 32, and a third segment 33 connected in sequence, with the first segment 31 and the third segment 33 being parallel. Both polygonal holes are opened on the first segment 31. The distance between the first segment 31 and the support 2 is less than the distance between the third segment 33 and the support 2, thereby avoiding interference between the third segment 33 and the support 2.

[0069] like Figure 2 As shown, to further improve the stability of the panel 100's movement, two sets of actuators are symmetrically arranged inside the steamer. Each set of actuators corresponds to a support 2, and the two supports 2 move horizontally synchronously. Specifically, in this embodiment, the drive mechanism 4 also includes a drive component 41, a gear set, a driving gear 42, a driven gear, two racks 43, and a connecting shaft 44. The drive component 41 can be a servo motor, etc. The output shaft of the drive component 41 is connected to the gear set. The driving gear 42 meshes with the gears in the gear set. The driving gear 42 and the driven gear are respectively connected to the two ends of the connecting shaft 44. The two racks 43 mesh with the driving gear 42 and the driven gear, respectively. The two supports 2 are fixedly connected to the two racks 43, respectively. The rotation of the output shaft of the drive component 41 can drive the racks 43 to translate, and the racks 43 drive the supports 2 to translate.

[0070] To improve the stability of the rack 43's movement, the panel opening and closing structure also includes a base 7. Preferably, a guide groove is provided on the base 7, and the rack 43 is slidably disposed within the guide groove. A limiting element can also be connected to the base 7. After the rack 43 triggers the limiting element, the driving element 41 stops working, thereby preventing the rack 43 from disengaging from the guide groove. Preferably, in this embodiment, the limiting element is a limit switch, with a front limit switch 8 and a rear limit switch 9 respectively provided at both ends of the base 7. In other embodiments, the limiting element can also be a displacement detection sensor. After the displacement detection sensor detects that the rack 43 has reached its designated position, the driving element 41 stops working. The specific principles and structures of the displacement detection sensor and the limit switch are existing technologies and will not be described in detail here.

[0071] Of course, in other embodiments, the driving mechanism is not of the form described above, but includes a cylinder or hydraulic cylinder and a connecting rod. The piston rod of the cylinder or hydraulic cylinder is fixedly connected to the connecting rod to drive the connecting rod to translate. The two supports 2 are respectively connected to the two ends of the connecting rod, thereby driving the two supports 2 to translate.

[0072] In this embodiment, the panel opening and closing structure may further include a computer board, which is electrically connected to the drive component 41 and the limiting component. If the output shaft of the drive component 41 rotates forward when the panel 100 is open, then the output shaft rotates in reverse when the panel 100 is closed. The rotation direction of the drive component 41 is controlled by the computer board program. The structure of the computer board is prior art and will not be described in detail here.

[0073] The process of opening panel 100 is as follows:

[0074] After receiving an external electrical signal, the output shaft of the drive unit 41 rotates clockwise, causing the drive gear 42 and driven gear to rotate, which in turn drives the rack 43 and support 2 to move forward. The support 2 pushes the connecting rod 3 forward along the first slide groove 11 and the second slide groove 12. As the output shaft continues to rotate, the support 2 pushes the rear end of the connecting rod 3 forward and downward along the first slide groove 11, and the middle part of the connecting rod 3 forward and upward along the second slide groove 12. This causes the connecting rod 3 to rotate while moving forward, and the front end of the connecting rod 3 connected to the panel 100 also moves upward and forward. When the rack 43 collides with the front limit switch 8, the computer board controls the drive unit 41 to stop working, and the opening movement of the panel 100 is completed.

[0075] The closing process of panel 100 is as follows:

[0076] After receiving an external electrical signal, the computer board reverses the output shaft of the drive unit 41, causing the driving gear 42 and driven gear to rotate, driving the rack 43 and support 2 to move backward. The support 2 pushes the rear end of the connecting rod 3 to move backward and upward along the first inclined section 112, and the middle part of the connecting rod 3 to move backward and downward along the second inclined section 122, thereby causing the connecting rod 3 to rotate while moving backward. The front end of the connecting rod 3 connected to the panel 100 also moves downward and backward. The output shaft continues to rotate, and the support 2 pushes the connecting rod 3 to move backward along the first horizontal section 111 and the second horizontal section 121. When the rack 43 collides with the rear limit switch 9, the computer board controls the drive unit 41 to stop working, and the closing movement of the panel 100 is completed.

[0077] This embodiment also provides a household appliance including the aforementioned panel opening and closing structure. Further, the household appliance can be a steam oven, which has a receiving cavity. The panel opening and closing structure is disposed within the receiving cavity, and the panel 100 is disposed at the opening of the receiving cavity to open and close the opening. A water tank is also disposed within the receiving cavity. After the panel 100 is opened, the water tank can be removed for adding water. After adding water, the water tank is placed back in its original position, and then the panel 100 is closed. Of course, in other embodiments, the household appliance can also be a dishwasher, etc.

[0078] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A panel opening and closing structure characterized by, The utility model relates to a kind of automatic door, including: Execution mechanism, including fixed plate (1) and connecting rod (3), first sliding slot (11) and second sliding slot (12) are provided on the fixed plate (1) and spaced apart forward and backward, the first sliding slot (11) and the second sliding slot (12) have the tendency of lifting while extending along the front and back direction, and the first sliding slot (11) and the second sliding slot (12) opposite lifting tendency;The rear end of the connecting rod (3) is slidably arranged in the first sliding slot (11), and the front end is connected to the panel (100), and the middle part of the connecting rod (3) is slidably connected in the second sliding slot (12); Driving mechanism (4) is drivingly connected with the connecting rod (3), for driving the connecting rod (3) to slide along the first sliding slot (11) and the second sliding slot (12), to open and close the panel (100); The first sliding slot (11) includes first horizontal section (111) and first inclined section (112), and the first horizontal section (111) and the first inclined section (112) are communicated;The second sliding slot (12) includes second horizontal section (121) and second inclined section (122), and the second horizontal section (121) and the second inclined section (122) are communicated;The first inclined section (112) and the second inclined section (122) opposite lifting tendency; The driving mechanism (4) includes support (2), and the support (2) can move horizontally, and the support (2) is provided with inclined third sliding slot (21), and the rear end of the connecting rod (3) is slidably connected with the third sliding slot (21).

2. The panel opening and closing structure according to claim 1, characterized by The first sliding slot (11) and the second sliding slot (12) are both arc structures.

3. The panel opening and closing structure according to claim 1, characterized by The rear end of the connecting rod (3) is slidably connected with the first sliding slot (11) and the third sliding slot (21) through first connecting piece (5);The middle part of the connecting rod (3) is slidably connected with the second sliding slot (12) through second connecting piece (6).

4. The panel opening and closing structure according to claim 3, characterized in that, The first connecting piece (5) and the second connecting piece (6) both include rotating shaft (51).

5. The panel opening and closing structure according to claim 4, characterized in that, The first connecting piece (5) and the second connecting piece (6) also both include bearing (52), the rotating shaft (51) is arranged in the bearing (52), the bearing (52) of the first connecting piece (5) is rollably arranged in the first sliding slot (11), the rotating shaft (51) of the first connecting piece (5) is slidably arranged in the third sliding slot (21), and is connected with the rear end of the connecting rod (3); The bearing (52) of the second connecting piece (6) is rollably arranged in the second sliding slot (12), and the rotating shaft (51) of the second connecting piece (6) is connected with the middle part of the connecting rod (3).

6. The panel opening and closing structure according to claim 5, characterized in that, The fixed plate (1) comprises a bottom plate (13) and a cover plate (14), the bottom plate (13) is arranged between the cover plate (14) and the connecting rod (3), the first sliding groove (11) and the second sliding groove (12) each comprise a first sub-groove (131) and a second sub-groove (132), the first sub-groove (131) is arranged on the side of the second sub-groove (132) close to the cover plate (14), the width of the first sub-groove (131) is greater than the width of the second sub-groove (132), the bearing (52) is arranged in the first sub-groove (131) in a rolling manner, and the rotating shaft (51) is arranged in the second sub-groove (132) in a sliding manner.

7. The panel opening and closing structure according to claim 3, wherein The first connecting piece (5) and the second connecting piece (6) are connected with the connecting rod (3) in the form of a connecting portion, the cross section of the connecting portion is a polygon, the rear end and the middle part of the connecting rod (3) are provided with polygonal holes with the same shape as the connecting portion, and the connecting portion is arranged in the polygonal hole.

8. A domestic appliance characterized in that, The panel opening and closing structure comprises the panel opening and closing structure according to any one of claims 1-7.

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