Display panel turnover mechanism and oven

Abstract

The utility model discloses a display panel turnover mechanism and an oven. Comprising a lining plate, a longitudinal driving assembly, a panel support arranged at the front end of the lining plate in a turnover mode, a door shaft assembly with the two ends fixed to the lining plate and the panel support respectively, a first elastic piece arranged at the position of a hinge shaft of the door shaft assembly, and a push rod which does longitudinal reciprocating motion at the front end of the lining plate and is in transmission connection with the longitudinal driving assembly. The vertical limiting piece is used for limiting the vertical displacement of the push rod; the push rod comprises a first abutting part and a second abutting part which are arranged at the end of the push rod. The first abutting part abuts against the first area of the panel support, and the first abutting part is arranged on the side close to the free end of the panel support; the second abutting portion is slidably disposed on an inner side surface of the panel bracket. According to the utility model, most structures of the door shaft hinge structure and the push rod structure are arranged in related structures of the display panel, so that the exposure of a linkage structural member is avoided, and the situations of accidentally injuring a user or mistakenly clamping an article and the like are avoided.

Description

Technical field

[0001] The utility model relates to the technical field of household appliances, and in particular to a display panel flipping mechanism and an oven. [Background Technology]

[0002] Currently, many household appliances have control panels that can be flipped up when opened, and some control panels can be flipped up to facilitate user operation. The drive motor for the extension and reset mechanism of existing household appliance control panels is mounted on a push rod. When the drive motor is operating, the meshing teeth on the fixed bracket cooperate with the transmission gear on the push rod, allowing the push rod to move along the fixed bracket and thereby drive the control panel assembly to extend and reset. By designing the meshing teeth of the fixed bracket into a structure of horizontal straight segments and arc segments, the control panel assembly can be tilted back and flipped up after being extended forward to the extreme position, making it easier for the user to view the display status of the control panel or adjust the flip angle to facilitate the user's grasping of the water tank. However, due to the excessive complexity of the existing hinge structure and transmission structure, the hinge structure and transmission structure are exposed to the outside, affecting the user's visual experience. There is also the possibility that the hinge structure and transmission structure may accidentally injure the user or accidentally clamp objects during the opening and closing process. [Utility Model Content]

[0003] The present utility model is proposed to solve at least one of the above problems, and its purpose is to provide a display panel flipping mechanism.

[0004] The technical solution of the utility model is: a display panel flipping mechanism, comprising a lining plate, a longitudinal driving assembly arranged on the lining plate, a panel bracket flipably arranged at the front end of the lining plate, a panel frame arranged opposite to the panel bracket and arranged at the front end of the lining plate, a door shaft assembly with two ends respectively fixed on the lining plate and the panel bracket, a first elastic member arranged at the hinge axis of the door shaft assembly, a push rod that performs longitudinal reciprocating motion at the front end of the lining plate and is transmission-connected to the longitudinal driving assembly, an interior panel covering the panel bracket, and a vertical limiter for guiding the movement direction of the push rod; the interior panel and the panel frame jointly cover Door hinge assembly and push rod; the vertical limit member is arranged on the panel bracket and / or on the door hinge assembly and / or on the longitudinal drive assembly; the push rod includes a first abutment portion arranged at the end of the push rod and a second abutment portion connected to the first abutment portion at one end; the first abutment portion can slide on a first area on the inner surface of the panel bracket, and the first area is arranged on a side close to the free end of the panel bracket; the second abutment portion slides on the second area of ​​the panel bracket; when the panel bracket is in a closed state, the rotation axis of the hinge shaft of the door hinge assembly is projected below the first area on the inner surface of the panel bracket.

[0005] Preferably, the vertical limiting piece comprises a first limiting piece, which is a strip-shaped avoiding hole; the strip-shaped avoiding hole is arranged at the middle part of the push rod; the hinge shaft is arranged in the strip-shaped avoiding hole.

[0006] Further preferably, the vertical limiting piece comprises a second limiting piece, which is arranged stationary relative to the panel support; the second limiting piece abuts against at least the front end of the push rod.

[0007] Further preferably, the push rod further comprises a buckling part arranged at the front end of the push rod and protruding outwardly; the buckling part is capable of abutting against the second limiting piece; the buckling part is used for buckling the panel support on the panel frame when the panel support is close to the closed state.

[0008] Preferably, the door shaft assembly further comprises a first hinge seat fixed on the panel support and a second hinge seat fixed on the backing plate; the first hinge seat is hinged with the second hinge seat through the hinge shaft; the hinge shaft is arranged in the middle part of the first elastic piece; one end of the first elastic piece abuts against the panel support and / or the first hinge seat, and the other end of the first elastic piece abuts against the backing plate and / or the second hinge seat.

[0009] Preferably, the push rod is arranged between the two door shaft assemblies; the second limiting piece abuts against the lower surface of the push rod, so as to limit the vertical displacement of the push rod.

[0010] Preferably, the door shaft assembly further comprises a decorative plate avoiding groove arranged at the inner decorative plate close to the hinge shaft and the push rod.

[0011] Another technical scheme of the utility model is a kind of oven, including display panel turnover mechanism, detachably arranged water tank on backing plate;In the complete open state of panel support, the plane where panel support is and the plane where backing plate is parallel;Water tank is in the plane where panel support is above;Or, water tank lower surface is in the plane where panel support is;Panel support is downwardly overturned relative to water tank.

[0012] Preferably, the backing plate is below the panel support; the push rod is a "Z" shaped structure, comprising a horizontal crossbar, a horizontal connecting seat in transmission connection with the longitudinal driving assembly, and vertical connecting rods fixedly connected with the horizontal crossbar and the horizontal connecting seat at both ends.

[0013] The beneficial effects of the present invention compared with the background technology are as follows: The present invention relates to a display panel flipping mechanism and an oven, which adopts a strip-shaped push rod structure to avoid the appearance of an exposed multi-link hinge structure at the position where the panel and the main body flip. At the same time, the door axis hinge structure is also hidden on the panel and the main body, so that the only exposed structure is the rotating shaft portion of the door axis hinge, and the structure of this part is not easy to injure people or accidentally clamp objects. Therefore, the present technical solution avoids the exposure of the linkage structure by hiding most of the structure of the door axis hinge and the push rod inside the relevant structure of the display panel, thereby avoiding the occurrence of accidental injury to users or accidental clamping of objects. At the same time, the present solution also shortens the production process, reduces unnecessary production processes, and improves the efficiency of production and assembly. The present structure has the advantages of simple structure, compact fit, and reasonable design.

Brief Description of the Drawings

[0014] Figure 1 This is a schematic structural diagram of the display panel flipping mechanism of the present invention;

[0015] Figure 2 This is a schematic diagram of the closed state structure of the display panel flip mechanism of the present invention;

[0016] Figure 3 This is a schematic diagram of the structure of the display panel flip mechanism of the present invention in the open state;

[0017] Figure 4 for Figure 3 A magnified schematic diagram of point A in the middle;

[0018] Figure 5 for Figure 3 An exploded schematic diagram of the display panel flipping mechanism is shown;

[0019] Figure 6 for Figure 5 A magnified schematic diagram of point B in the middle;

[0020] Figure 7 for Figure 5 Enlarged schematic diagram of point C in the middle;

[0021] Figure 8 This is one of the structural diagrams of the push rod;

[0022] Figure 9 This is the second structural diagram of the push rod;

[0023] Figure 10 This is the third structural diagram of the push rod;

[0024] Figure 11 Schematic diagram of the structure of the interior panel;

[0025] Figure 12 This is a structural diagram of the panel bracket in state 1;

[0026] Figure 13 This is a structural diagram of the panel bracket in state 2;

[0027] Figure 14 This is a structural diagram of the panel bracket in state three.

[0028] Indicated in the accompanying drawings: 1. lining plate, 2. water tank, 3. panel bracket, 31. second limiter, 32. panel slide rail, 321. first area, 322. second area, 33. panel frame, 4. interior trim panel, 41. trim avoidance groove, 5. push rod, 51. first abutting part, 52. second abutting part, 53. first limiter, 54. buckling part, 55. horizontal cross bar, 56. vertical connecting rod, 57. horizontal connecting seat, 6. door shaft assembly, 61. hinge shaft, 62. first elastic member, 63. positive projection of rotating shaft, 7. longitudinal drive assembly, 71. motor, 711. transmission rod, 712. limit slider, 72. transmission locking member, 721. limit housing, 722. third limiter, 73. locking shaft, 74. fixed shaft, 75. second elastic member, 76. sliding pressing member, 77. sliding ring, 78. micro switch. [Specific implementation method]

[0029] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0030] In this utility model, unless otherwise specified or limited, the terms "assemble," "connect," and "connect" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection; direct connection, connection through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0031] The following description of the embodiments of the present invention is provided in conjunction with the accompanying drawings to further describe the specific embodiments of the present invention so that the technical solutions and beneficial effects of the present invention are more clearly understood. The following description of the embodiments with reference to the accompanying drawings is for illustrative purposes only and is intended to explain the present invention, but is not to be construed as limiting the present invention.

[0032] The preferred embodiment provided by the present invention is as follows: Figures 1-11As shown, a display panel flip mechanism and oven include a lining plate 1, a longitudinal drive assembly 7 disposed on the lining plate 1, a panel bracket 3 reversibly disposed at the front end of the lining plate 1, a panel frame 33 disposed opposite the panel bracket 3 and at the front end of the lining plate 1, a door shaft assembly 6 fixed at both ends to the lining plate 1 and the panel bracket 3, a first elastic member 62 disposed at a hinge axis 61 of the door shaft assembly 6, a push rod 5 that performs longitudinal reciprocating motion at the front end of the lining plate 1 and is transmission-connected to the longitudinal drive assembly 7, an interior panel 4 covering the panel bracket 3, and a vertical limiter for guiding and ensuring that the push rod 5 only moves longitudinally and reciprocatingly; the vertical limiter is disposed on the panel bracket 3 and / or on the door shaft assembly 6 and / or on the longitudinal drive assembly 7. The interior panel 4 and the panel frame 33 jointly cover the door shaft assembly 6 and the push rod 5; the panel frame 33 is vertically disposed at the front end of the lining plate 1, and the interior panel 4 can be tightly attached to the panel frame 33 when the panel bracket 3 is in a closed state. When the panel bracket 3 is in the closed state, the longitudinal drive assembly 7 drives the push rod 5 to move away from the lining plate 1. The push rod 5 abuts the panel bracket 3 and causes the panel bracket 3 to rotate along the hinge axis 61, that is, the panel bracket 3 is switched from the closed state to the open state. The first elastic member 62 at the hinge axis 61 of the door shaft assembly 6 can make the panel bracket 3 approach the lining plate 1. That is, under the action of the elastic force of the first elastic member 62, the end of the panel bracket 3 away from the hinge axis 61 always tends to approach the panel frame 33. Therefore, when the push rod 5 moves into the interior of the lining plate 1, the panel bracket 3 can be reset to the position in the closed state, so that the interior panel 4 can fit the panel frame 33.

[0033] The push rod 5 includes a first abutting portion 51 arranged at the end of the push rod 5 and a second abutting portion 52 connected to the first abutting portion 51 at one end; the first abutting portion 51 slides on the first area 321 of the panel bracket 3, and the first area 321 is arranged on the side close to the free end of the panel bracket 3; in the process of the push rod 5 abutting the panel bracket 3, the first abutting portion 51 on the push rod 5 first contacts the first area 321 of the panel bracket 3; the first abutting portion 51 can be a specific contact point, a line or a contact surface at the end of the push rod 5; the position where the panel bracket 3 abuts the first abutting portion 51 is the first area 321, that is, the end of the push rod 5 abuts the first area 321 through point contact, line contact or surface contact. The second abutment 52 slides on the second area 322 of the panel bracket 3; in the process of the panel bracket 3 being converted from the closed state to the open state, the push rod 5 moves toward the panel bracket 3 under the drive of the longitudinal drive assembly 7, and the first abutment 51 first contacts the first area 321 of the panel bracket 3; then, the panel bracket 3 rotates around the hinge shaft 61 under the action of the push rod 5, and at the same time, the upper free end of the panel bracket 3 gradually moves away from the panel frame 33, and the first abutment 51 will move away from the first area 321; at this time, the second abutment 52 abuts against the second area 322, and the second abutment 52 slides on the second area 322 until the panel bracket 3 is in a fully open horizontal state.

[0034] When the panel bracket 3 is in the closed state, the orthographic projection of the rotation axis of the hinge shaft 61 of the door shaft assembly 6 on the inner surface of the panel bracket 3 (orthographic projection 63 of the rotation axis) is below the first area 321. Since the orthographic projection 63 of the rotation axis is below the first area 321, and the first area 321 is the area where the longitudinal thrust of the push rod 5 first acts, the first area 321 can first generate a torque on the rotation axis; this torque can cause the panel bracket 3 to obtain angular acceleration and change the angular momentum of the panel bracket 3, thereby allowing the panel bracket 3 to perform a flipping motion away from or toward the lining plate 1 with the rotation axis as the rotation center.

[0035] The above embodiment ensures that during the longitudinal reciprocating motion of the push rod 5, the end of the push rod 5 is always in the accommodation space enclosed by the panel bracket 3 and the interior panel 4, while the other structures of the push rod 5 are hidden behind the panel frame 33, thereby avoiding the exposure of the connecting rod hinge structure that causes the display panel to flip in the prior art and avoiding the safety problems caused by the exposure of the connecting rod hinge structure.

[0036] It should be further explained that if the rotation axis projection 63 of the rotation axis coincides with the first area 321 as mentioned above, the thrust exerted by the push rod 5 on the panel bracket 3 is on the common plane α of the hinge axis 61 and the rotation axis projection 63. At this time, the thrust cannot cause any component in the plane α to rotate out of the plane, that is, the push rod 5 will not be able to cause the panel bracket 3 to rotate.

[0037] It should be noted that the initial position of the relevant structure is the position of the structure when the panel bracket 3 is fully closed. Similarly, the final position of the relevant structure is the position of the structure when the panel bracket 3 is fully opened. The first elastic member 62 can be an elastic member such as a torsion spring or a tension spring that can cause the door hinge structure to rotate.

[0038] In some optional embodiments, a vertical stopper limits the longitudinal displacement of the push rod 5 and can also limit or position the initial or final position of the push rod 5. The panel bracket 3 can also be provided with a panel rail 32 adapted to the shape of the end of the push rod 5; the panel rail 32 can be composed of a long strip at the front and an arcuate segment at the rear; the aforementioned first region 321 and second region 322 are located on the plane of the panel rail 32. The panel rail 32 can be composed of straight segments and arcuate segments, or only arcuate segments, or only straight segments.

[0039] Combine Figure 8 As shown in FIG. 1 , in the first embodiment, the vertical limiting member includes a first limiting member 53, which is a strip-shaped avoidance hole; the strip-shaped avoidance hole is provided in the middle of the push rod 5; and the hinge shaft 61 is provided in the strip-shaped avoidance hole. Figure 5 In the schematic diagram of the first embodiment shown, hinge shaft 61 is a columnar structure, inserted into a strip-shaped avoidance hole. The upper and lower sidewalls of the strip-shaped avoidance hole limit hinge shaft 61, restricting its vertical displacement and allowing push rod 5 to maintain longitudinal motion. Specifically, push rod 5 is positioned within door hinge assembly 6. During longitudinal reciprocating motion, hinge shaft 61 of door hinge assembly 6 interferes with push rod 5. Another purpose of the strip-shaped avoidance hole is to prevent this interference. This arrangement also makes the entire structure more compact, eliminating the need to install push rod 5 elsewhere on panel bracket 3, resulting in a thinner and lighter structure and a more aesthetically pleasing appearance.

[0040] Furthermore, the two ends of the strip-shaped avoidance hole can also limit the position of the push rod 5, so that the push rod 5 can be accurately docked at the initial position and the end position.

[0041] Combine Figure 9 and Figures 12-14As shown, in the second embodiment, the vertical limiter includes a second limiter 31, which is stationarily disposed relative to the panel bracket 3; the second limiter 31 is fixed to the panel bracket 3 or the door hinge assembly 6, and the second limiter 31 abuts at least the front end of the push rod 5. In some embodiments, the middle portion of the push rod 5 is provided with a strip-shaped avoidance hole similar to the first limiter 53 in the first embodiment, and the hinge shaft 61 cooperates with the strip-shaped avoidance hole to limit the position of the push rod 5; the second limiter 31 abuts only the front end upper surface of the push rod 5; the second limiter 31 is used to limit the vertical displacement of the push rod 5 when it moves close to the panel bracket 3. With the first limit member 5 and the second limit member 31 jointly limiting the push rod 5, this embodiment can effectively avoid the tolerance of parts generated during production causing the first abutment portion 51 to deviate from the first area 321, that is, under the limitation in the vertical direction of the second limit member 31, it can ensure that when the push rod 5 moves close to the panel bracket 3, the first abutment portion 51 can preferentially and accurately contact the first area 321.

[0042] In some optional embodiments, the structure of the push rod 5 is as follows Figure 10 As shown, the second stopper 31 is disposed on the lower side of the push rod 5. During the movement of the push rod 5, the second stopper 31 always abuts the push rod 5. In this case, the second stopper 31 needs to remain in a relatively stationary position in the plane of the push rod 5's movement direction. Therefore, the second stopper 31 needs to be disposed on the axis of the hinge shaft 61. Simultaneously, this embodiment also ensures that the first abutting portion 51 preferentially and accurately contacts the first region 321 during the movement of the push rod 5 toward the panel bracket 3. In this case, there is no need to repeatedly provide a strip-shaped hole, a slot, or a slider within the push rod 5 as a vertical stopper for the push rod 5. In an embodiment, the push rod 5 may not contact the hinge shaft 61, such as being suspended above the hinge shaft 61; or the push rod 5 may be disposed in a position away from the door shaft assembly 6, such as between the door shaft assemblies 6 at both ends of the panel bracket 3. This arrangement can balance the forces acting on the panel bracket 3, preventing concentrated forces on any one door shaft assembly 6. It also reduces the number of assembled structural components, simplifies the structure, improves assembly efficiency, and reduces production costs.

[0043] Figures 12-14 It is a structural schematic diagram of three states in which the angles between the plane where the panel bracket 3 is located and the horizontal plane where the push rod 5 is located are 0°, 45° and 90° respectively during the opening and closing process of the panel bracket 3.

[0044] In a further embodiment, the push rod 5 further includes a snap-fit ​​portion 54 disposed at the front end of the push rod 5 and projecting outward from the push rod 5. The snap-fit ​​portion 54 may be a raised structure on the push rod 5. In some alternative embodiments, the push rod 5 is stamped from a metal sheet. In this case, the snap-fit ​​portion 54 may also be a hook-shaped structure at the end of the push rod 5. The snap-fit ​​portion 54 abuts against the second stopper 31 and is used to snap the panel bracket 3 onto the panel frame 33 when the panel bracket 3 is nearing the closed position. When the panel bracket 3 is in the critical point of the fully closed state, the side wall of the locking portion 54 abuts against the second limit member 31, and the second limit member 31 moves along the movement direction of the push rod 5, and the push rod 5 is moving toward the inside of the lining plate 1, so that the second limit member 31 brings the panel bracket 3 closer to the lining plate 1 so that the panel bracket 3 is locked and locked on the panel frame 33, avoiding the situation where the user accidentally opens the display panel, and also avoiding the problem that the panel bracket 3 cannot be closed tightly due to aging and failure of the first elastic member 62 after long-term use.

[0045] In this embodiment, it can also be combined with the first limiting member 53 in the first embodiment. At this time, the second limiting member 31 can only abut against the buckle portion 54, and the second limiting member 31 can serve as a positioning structure at the terminal position of the push rod 5; since the first limiting member 53 already has a vertical limit on the push rod 5, the second limiting member 31 does not need to be set to abut against the upper surface of the push rod 5, but only needs to abut against the buckle portion 54 at the end, that is, the second limiting member 31 may not have a vertical limiting effect on the push rod 5, and only realizes the longitudinal positioning of the push rod 5.

[0046] It should be noted that the panel bracket 3 rotates and moves longitudinally relative to the push rod 5. When the panel bracket 3 moves from the closed state to the open state, the push rod 5 first moves into the panel bracket 3, and the locking portion 54 first moves away from the second stopper 31, that is, a clearance space is formed between the locking portion 54 and the second stopper 31. When the first abutting portion 51 abuts the panel bracket 3 or the panel slide 32, the panel bracket 3 begins to rotate about the hinge axis 61. The second stopper 31 rotates with the panel bracket 3 and rotates about the hinge axis 61 in the clearance space. When the panel bracket 3 is in the fully open state, the second stopper 31 may abut the upper surface of the push rod 5 or above the push rod 5.

[0047] During the process of the panel bracket 3 changing from the open state to the closed state, the first elastic member 62 has an elastic force generated when it returns to its original state. Under the action of the aforementioned elastic force, the panel bracket 3 will flip in the closing direction. At the same time, the longitudinal drive assembly 7 drives the push rod 5 to move away from the panel bracket 3; when the panel bracket 3 tends to be vertical, the push rod 5 will further move away from the inner surface of the panel bracket 3 or the panel slide rail 32; the buckling portion 54 on the push rod 5 approaches and abuts against the second limit member 31, and finally achieves the locking effect of the panel bracket 3.

[0048] Specifically, since the outer contours of the first abutting portion 51 and the second abutting portion 52 of the push rod 5 tend to be an arc surface structure, during the longitudinal reciprocating motion of the push rod 5, the first abutting portion 51 and the second abutting portion 52 can generate a force in the vertical direction along the corresponding arc surface on the inner surface of the panel bracket 3 or the panel slide rail 32 at different time points; this force can be decomposed into a horizontal component and a vertical component, and the horizontal component is transmitted to the door shaft assembly 6. Since the door shaft assembly 6 is fixed, the panel bracket 3 will not move in the horizontal direction. Under the action of the vertical component force, the panel bracket 3 is subjected to a vertical downward force, and the magnitude of the force depends on the position of the push rod 5. Specifically, the force depends on the angle of the arc surface at the abutment point; when the vertical downward force at the abutment point is greater than the elastic force of the first elastic member 62, the panel bracket 3 will rotate and the free end of the panel bracket 3 will move away from the lining 1; conversely, when the vertical downward force at the abutment point is less than the elastic force of the first elastic member 62, the panel bracket 3 will rotate and the free end of the panel bracket 3 will move closer to the lining 1.

[0049] Combine Figure 10 As shown, in the third embodiment, the longitudinal drive assembly 7 includes a motor 71 that is transmission-connected to the push rod 5, and a limit housing 721 that is covered on the side of the push rod 5; the vertical limit member includes a third limit member 722, and the third limit member 722 is arranged on the upper side of the limit housing 721; at least a pair of limit sliders 712 are protruding from the side walls of both sides of the push rod 5, and the limit sliders 712 are slidably arranged in the third limit member 722. The third limit member 722 and the limit slider 712 can be a combination of a slide groove slider or a combination of a strip hole and a slider. The third limit member 722 on the limit housing 721 is arranged along the movement direction of the push rod 5. The limit slider 712 arranged in the third limit member 722 ensures that the movement of the push rod 5 is only in the longitudinal direction, that is, the third limit member 722 and the limit slider 712 jointly limit the vertical displacement of the push rod 5. In this embodiment, the limiting slider 712 is a columnar structure protruding from both sides of the push rod 5, and the third limiting member 722 is a strip hole provided on the side wall of the limiting shell 721. The aforementioned columnar structure can be slidably inserted into the strip hole, and the strip hole limits the vertical displacement of the columnar structure.

[0050] Furthermore, columnar structures are provided on both sides of the middle and rear ends of the push rod 5. This arrangement can effectively prevent the push rod 5 from tipping over in the limiting housing 721, thereby enabling the push rod 5 to perform longitudinal reciprocating motion more stably.

[0051] The transmission connection between the motor 71 and the push rod 5 is a conventional technical means, such as rack and pinion transmission, screw transmission, etc. The drive that enables the push rod 5 to move in a straight line is also diverse, such as linear hydraulic cylinder drive, linear pneumatic cylinder drive, etc., which also belong to the same concept. When the push rod 5 adopts a rack structure, the push rod 5 can be composed of a split structure, that is, the push rod 5 is divided into a front push rod 5 that directly abuts the panel bracket 3 and a rear transmission rod 711 that is connected to the motor 71. The horizontal connecting seat 57 on the push rod 5 is fixed to one end of the transmission rod 711 by a fastener. For the push rod with a split setting, the purpose of such a setting is to facilitate the modular production of structural accessories and reduce production costs.

[0052] This embodiment can also be combined with the first embodiment or the second embodiment to realize multiple limiting structures to limit the push rod 5. It can also be combined with this embodiment to add a snap-fit ​​portion 54 at the end of the push rod 5 to lock the panel bracket 3. This embodiment can also be combined with the first and second embodiments to form a more stable structure.

[0053] In this embodiment, the door hinge assembly 6 further includes a first hinge seat (not shown in the drawings) fixed to the panel bracket 3 and a second hinge seat (not shown in the drawings) fixed to the lining plate 1. The first hinge seat (not shown in the drawings) is hingedly connected to the second hinge seat (not shown in the drawings) via a hinge shaft 61. The hinge shaft 61 passes through the middle of a first elastic member 62. One end of the first elastic member 62 abuts against the panel bracket 3 or the first hinge seat (not shown in the drawings), and the other end of the first elastic member 62 abuts against the lining plate 1 or the second hinge seat (not shown in the drawings). The first elastic member 62 is a torsion spring, and the hinge shaft 61 passes through a hole in the middle of the torsion spring. One end of the torsion spring is fixed to the panel bracket 3 or to a first hinge seat (not shown in the drawings) in the panel bracket 3, and the other end of the torsion spring is fixed to the lining plate 1 or to a second hinge seat (not shown in the drawings) in the lining plate 1. The purpose is to keep one end of the torsion spring stationary relative to the panel bracket 3 or the first hinge seat (not shown in the drawings), and the other end of the torsion spring stationary relative to the lining plate 1 or the second hinge seat (not shown in the drawings). The deformation of the torsion spring creates a force on the panel bracket 3, causing the panel bracket 3 to always tend to move closer to the lining plate 1.

[0054] In this embodiment, the push rod 5 is further provided with a transmission locking member 72, which is protruded from the upper surface of the push rod 5. The longitudinal drive assembly 7 includes a fixed fixed shaft 74, a fixed locking shaft 73, a sliding pressing member 76 that can abut against one end of the transmission locking member 72, and a second elastic member 75 with two ends respectively provided on the fixed shaft 74 and the sliding pressing member 76; the locking shaft 73 is passed through the second elastic member 75. The second elastic member 75 is a torsion spring. One end of the second elastic member 75 is fixed to the fixed shaft 74, the middle portion of the second elastic member 75 is passed through the locking shaft 73, and the other end of the second elastic member 75 is placed on the sliding pressing member 76. The lower surface of the sliding pressing member 76 is slidably provided on the upper surface of the push rod 5. Under the action of the second elastic member 75, the sliding pressing member 76 has a tendency to move closer to the push rod 5. Furthermore, when the push rod 5 moves longitudinally, the sliding pressing member 76 first abuts against the upper surface of the push rod 5 and slides thereon, then passes over the upper surface of the transmission locking member 72 and slides thereon, and then falls back to the upper surface of the push rod 5.

[0055] When locking sprocket 74 locks 74 in place, latch 7 is firmly fixed on the cam face 74, which is secured on the locking sprocket 74 by a spring 76. When the locking sprocket 74 is unlocked, the unlocking effect on the cam 74 is realized.

[0056] Furthermore, the fixed shaft 74, the locking shaft 73, and the sliding pressing part 76 are all columnar structures, and the longitudinal drive component 7 is provided with mounting holes for installing the fixed shaft 74 and the locking shaft 73; because the sliding pressing part 76 will float up and down during the process of pressing the locking push rod 5, the longitudinal drive component 7 also needs to be provided with corresponding strip holes, which limit the longitudinal direction of the sliding pressing part 76 to prevent the sliding pressing part 76 from slipping in the longitudinal direction and ensure that the sliding pressing part 76 performs vertical reciprocating motion at the preset position.

[0057] For further optimization, the sliding pressing member 76 may also be sleeved with a rotatable sliding ring 77 , and the sliding ring 77 is used to reduce the resistance during the contact process with the push rod 5 and the transmission locking member 72 .

[0058] Specifically, the fixed shaft 74, the locking shaft 73, the sliding press member 76, and the strip-shaped hole can also be arranged on the limiting housing 721 of the longitudinal drive assembly 7; the specific location of the aforementioned structural components is not limited; although the longitudinal drive assembly 7 includes the aforementioned structural components, the location of the aforementioned structural components is not limited to forming a whole with the longitudinal drive assembly 7, that is, the aforementioned structural components can also be arranged on the liner 1. The limiting housing 721, the fixed shaft 74, the locking shaft 73, and the strip-shaped hole are all relatively stationary. Therefore, the location of the fixed shaft 74, the locking shaft 73, the sliding press member 76, and the strip-shaped hole is not limited.

[0059] In this embodiment, at least two micro switches 78 are further included; the micro switches 78 are disposed on one or both sides of the push rod 5 and are used to identify the initial position and the final position of the longitudinal reciprocating motion of the push rod 5; the distance between the micro switches 78 is no greater than the distance between the initial position and the final position of the push rod 5; the positions of the two micro switches 78 may correspond to the initial position and the final position of the same portion of the push rod 5. Of course, the micro switches 78 may also be disposed at the initial position and the final position of different structures, such as disposing one micro switch 78 at the initial position of the first portion of the push rod 5 and disposing a second micro switch 78 at the final position of the second portion of the push rod 5. This can also identify and determine whether the push rod 5 has moved to the preset position.

[0060] Furthermore, there can be multiple micro switches 78, and additional micro switches 78 can be provided between the initial position and the end position, so as to detect whether the push rod 5 has reached a specific position, thereby achieving the purpose of making the panel bracket 3 hover at a specific angle.

[0061] In some optional embodiments, a micro switch 78 is provided on the lining plate 1, and is provided at positions near the upper and lower sides of the panel bracket 3, for identifying the initial position and the end position of the panel bracket 3 when performing a flipping motion. In an actual product, the front end of the lining plate 1 is also provided with a shell trim plate perpendicular to the lining plate 1; when the panel bracket 3 is in the closed state, the micro switches 78 are provided at positions on the upper and lower sides of the shell trim plate corresponding to the panel bracket 3; the upper micro switch 78 is used to detect whether the panel bracket 3 is in the closed state, that is, to detect whether the panels are completely attached to the shell trim plate on the lining plate 1; the lower micro switch 78 can be provided at a position on the shell trim plate closest to the panel bracket 3 when the panel bracket 3 is in the open state, for the purpose of detecting and determining whether the panel bracket 3 is in the open state.

[0062] This embodiment also includes an interior panel 4 positioned over the panel bracket 3. The interior panel 4 covers the hinge assembly 6 and push rod 5. A panel relief groove 41 is provided near the hinge axis 61 and push rod 5. When the panel bracket 3 is closed, the hinge assembly 6 and push rod 5 are positioned within the panel relief groove 41. During the flipping of the panel bracket 3, the push rod 5 does not come into contact with the panel relief groove 41. This design aims to enhance the aesthetics of the panel bracket 3 through the interior panel 4, preventing direct exposure of structural components on the panel bracket 3 that could negatively impact the user experience. The interior panel 4 also covers the majority of the push rod 5 and hinge assembly 6, preventing them from being directly exposed. Because the push rod 5 reciprocates longitudinally, it is only briefly exposed outside the panel relief groove 41 during the flipping of the panel bracket 3. When the panel bracket 3 is fully opened, the push rod 5 is completely concealed within the interior panel 4.

[0063] The present invention also provides an oven comprising the aforementioned display panel flip mechanism and a water tank 2 detachably mounted on a liner 1. When the panel bracket 3 is fully opened, the plane of the panel bracket 3 is parallel to the plane of the liner 1. The water tank 2 is located above the plane of the panel bracket 3, or the lower surface of the water tank 2 is located in the plane of the panel bracket 3. The panel bracket 3 flips downward relative to the water tank 2. In ovens with steam cooking functions, the water tank 2 within the oven typically needs to be refilled. This refilling process requires opening the decorative panel on the outside of the water tank 2, removing the water tank 2, and then refilling the water tank 2. To maintain a consistent appearance, in this embodiment, the water tank 2 is concealed behind the panel bracket 3. The panel bracket 3 flips downward relative to the water tank 2, allowing the front of the water tank 2 to be fully exposed when the panel bracket 3 is fully opened. When the water tank 2 is removed, the panel bracket 3 is not obstructing its movement path. This simplifies the user's installation and removal of the water tank 2 and improves the user experience.

[0064] Furthermore, in this embodiment, the lining plate 1 is below the panel bracket 3; the push rod 5 has a "Z"-shaped structure, which includes a horizontal crossbar 55, a horizontal connecting seat 57 that is transmission-connected to the longitudinal drive assembly 7, and a vertical connecting rod 56 with both ends fixedly connected to the horizontal crossbar 55 and the horizontal connecting seat 57. The horizontal connecting seat 57 is fixedly connected to the transmission rod 711 of the longitudinal drive assembly 7. This connection method can be a screw-bolt connection, or it can be a conventional connection method such as a clamping connection or welding. Of course, the horizontal connecting seat 57 and the transmission rod 711 can also be an integrally formed structure, which can simplify the assembly process. When the horizontal connecting seat 57 is not on the same horizontal plane as the lining plate 1 and the panel bracket 3, a vertical structural member (vertical connecting rod 56) is required to form the push rod 5 into a "Z"-shaped structure, thereby increasing the height of the end of the push rod 5, thereby enabling the push rod 5 to better connect to the longitudinal drive assembly 7 and drive the panel bracket 3 to rotate. This arrangement can solve the problem of the lining plate 1 and the panel bracket 3 not being on the same horizontal plane through a low-cost structural solution.

[0065] In the description of the specification, reference to the terms "one embodiment," "preferably," "example," "specific example," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. The schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any appropriate manner in any one or more embodiments or examples.

[0066] Through the description of the above structure and principle, technical personnel in the relevant technical field should understand that the present invention is not limited to the above specific implementation methods, and improvements and substitutions based on the present invention using the well-known technology in the field all fall within the scope of protection of the present invention and should be defined by the claims.

Claims

1. A display panel flipping mechanism, characterized in that: The door frame comprises a lining plate, a longitudinal drive assembly arranged on the lining plate, a panel bracket flipably arranged at the front end of the lining plate, a panel frame arranged opposite to the panel bracket and arranged at the front end of the lining plate, a door shaft assembly with two ends respectively fixed to the lining plate and the panel bracket, a first elastic member arranged at the hinge axis of the door shaft assembly, a push rod performing longitudinal reciprocating motion at the front end of the lining plate and the push rod being transmission-connected to the longitudinal drive assembly, an interior panel covering the panel bracket, and a vertical limiter for guiding the movement direction of the push rod; The interior trim panel and the panel frame jointly cover the door shaft assembly and the push rod; The vertical limiting member is arranged on the panel bracket and / or on the door shaft assembly and / or on the longitudinal driving assembly; The push rod includes a first abutment portion provided at the end of the push rod and a second abutment portion with one end connected to the first abutment portion; The first abutting portion can slide on a first area on the inner surface of the panel bracket, and the first area is arranged on a side close to the free end of the panel bracket; the second abutting portion slides on a second area of ​​the panel bracket; When the panel bracket is in a closed state, the orthographic projection of the rotation axis of the hinge shaft of the door shaft assembly on the inner surface of the panel bracket is below the first area.

2. The display panel flipping mechanism according to claim 1, wherein: The vertical limiting member includes a first limiting member, and the first limiting member is a strip-shaped avoidance hole; The strip-shaped avoidance hole is arranged in the middle of the push rod; The hinge shaft is inserted into the strip-shaped avoidance hole.

3. The display panel flipping mechanism according to claim 1, wherein: The vertical limiting member includes a second limiting member, which is stationarily arranged relative to the panel bracket, and the second limiting member at least abuts against the front end of the push rod.

4. The display panel flipping mechanism according to claim 3, wherein: The push rod also includes a buckling portion arranged at the front end of the push rod and protruding toward the outside of the push rod. The buckling portion can abut against the second limiting member. The buckling portion is used to buckle the panel bracket on the panel frame when the panel bracket is close to the closed state.

5. The display panel flipping mechanism according to claim 1, wherein: The door shaft assembly further comprises a first hinge seat fixed on the panel bracket and a second hinge seat fixed on the lining plate; The first hinge seat is hinged to the second hinge seat via the hinge shaft; The hinge shaft is arranged through the middle of the first elastic member; One end of the first elastic member abuts against the panel bracket or the first hinge seat, and the other end of the first elastic member abuts against the lining plate or the second hinge seat.

6. A display panel flipping mechanism according to claim 1, 2 or 4, characterized in that: The longitudinal drive assembly includes a motor connected to the push rod and a limiting housing provided around the push rod; The vertical limiting member includes a third limiting member, and the third limiting member is provided on the limiting housing; At least one pair of limiting sliding blocks is protruded from both side walls of the push rod, and the limiting sliding blocks are slidably arranged in the third limiting member.

7. The display panel flipping mechanism according to claim 3, wherein: The push rod is arranged between the two door shaft assemblies; The second limiting member abuts against the lower surface of the push rod to limit the vertical displacement of the push rod.

8. The display panel flipping mechanism according to claim 1, wherein: It also includes a trim panel avoidance groove, which is arranged on the interior trim panel near the hinge shaft and the push rod.

9. An oven, characterized in that: comprising a display panel flipping mechanism according to any one of claims 1 to 8, and a water tank detachably arranged in the panel frame; When the panel bracket is in a fully opened state, the water tank is above the plane where the panel bracket is located; or, the lower surface of the water tank is in the plane where the panel bracket is located.

10. The oven according to claim 9, characterized in that: The lining plate is below the panel support; The push rod has a "Z"-shaped structure and includes a horizontal cross bar, a horizontal connecting seat that is transmission-connected to the longitudinal drive assembly, and a vertical connecting rod with both ends fixedly connected to the horizontal cross bar and the horizontal connecting seat respectively.

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