Door body assembly with linkage forward-pushing decorative plate and dish washing machine

Abstract

The door body assembly comprises a door body which is opened downwards through a hinge arm, the door body comprises the decorative plate and an inner door plate which can slide mutually, and a door pushing device which is used for pushing the decorative plate forwards in a linkage mode when the door body is opened downwards is arranged between the door body and the hinge arm. The door pushing device comprises a transmission strip, a door pushing rack and an auxiliary rack, the head end of the transmission strip is in transmission connection with the hinge arm, the door pushing rack and the inner door plate are mutually fixed, the tail end of the transmission strip is rotationally connected with a change gear set, and a first gear arranged on the change gear set is in transmission connection with a first straight gear arranged on the auxiliary rack; and a second gear arranged on the change gear set is in transmission connection with a second straight gear arranged on the push door rack. Under the condition that the size design of the fixed gear and the gear of the hinge arm is limited, the forward pushing stroke range of the decorative plate can be greatly changed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a door body assembly with linkage forward pushing decorative plate and dish washing machine. BACKGROUND

[0002] Cabinet type dish washing machine, disinfection cabinet, steaming and baking cabinet and the like products can be integrally installed on the cabinet, and the door body assembly with the main frame thereof is opened forward, in order to be beautiful, the decorative plate of the door body assembly is extended downward, so that the decorative plate can be close to the bottom surface of the cabinet and serve as the skirting line when the door body assembly is closed.

[0003] The door body assembly with the structure needs to be provided with a door pusher, so that the decorative plate can be pushed forward at the same time when the door body assembly is opened, so as to prevent the decorative plate from colliding with the main frame or the cabinet frame, such as a dish washing machine decorative plate sliding structure disclosed in Chinese patent document No. CN117617862A, which comprises a hinge support, a door body assembly and a transmission structure, the hinge support has a rotating support point and a transmission part; the door body assembly comprises a cabinet door and a decorative plate, the cabinet door is rotatably connected with the rotating support point, and the decorative plate is slidably arranged on the cabinet door; the transmission structure is installed on the cabinet door, and the transmission structure is in transmission connection with the transmission part and the decorative plate; when the cabinet door rotates relative to the rotating support point, the transmission structure can rotate around the transmission part, and the transmission structure can drive the decorative plate to slide up and down (i.e. drive the decorative plate to push forward) under the action of the transmission part; in the structure scheme, the end of the transmission bar is provided with a gear, the gear is in meshing transmission with the second wheel tooth and the rack at the same time, the transmission bar directly drives the rack to slide forward and then pushes the decorative plate forward, and the structure scheme can only make the decorative plate push forward at a fixed stroke and the stroke range is very limited (because the size of the transmission part provided on the hinge support is limited, and the size of the gear is also limited), therefore, further improvement is needed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a door body assembly with linkage forward pushing decorative plate and dish washing machine, which can greatly change the total stroke of the decorative plate pushed forward by setting the variable speed gear set.

[0005] The utility model discloses a door body assembly with linkage forward pushing decorative plate and dish washing machine, which can greatly change the total stroke of the decorative plate pushed forward by setting the variable speed gear set.

[0006] The door body assembly with linkage forward pushing decorative plate comprises a door body opened downward through a hinged arm, the door body comprises a mutually slidable decorative plate and an inner door plate, a door opener for linkage forward pushing the decorative plate when the door body is opened downward is arranged between the door body and the hinged arm, the door opener comprises a transmission bar, a door pushing rack and an auxiliary rack, the head end of the transmission bar is in transmission connection with the hinged arm, the door pushing rack is fixed with the inner door plate, the tail end of the transmission bar is rotationally connected with a variable speed gear set, a first gear provided on the variable speed gear set is in transmission connection with a first straight gear provided on the auxiliary rack, a second gear provided on the variable speed gear set is in transmission connection with a second straight gear provided on the door pushing rack, when the door body is opened downward, the transmission bar slides forward relative to the hinged arm and the auxiliary rack, thereby driving the door pushing rack to slide forward, and then driving the decorative plate to slide forward relative to the inner door plate and push away.

[0007] The door opener comprises mutually covering upper and lower housings, the upper housing is fixedly installed with the inner door plate and / or the lower housing is fixedly installed with the decorative plate, the transmission bar, the door pushing rack and the auxiliary rack are all arranged between the upper and lower housings, the head end of the transmission bar is in transmission connection with the hinged arm after penetrating out of the upper and lower housings, the door pushing rack is fixedly installed on or integrally formed on the upper or lower housing, and the upper and / or lower housing is provided with a guide sliding groove in transmission connection with the auxiliary rack.

[0008] The upper housing is integrally formed with the inner door plate and / or the lower housing is integrally formed with the decorative plate, and the upper and lower housings are embedded between the decorative plate and the inner door plate.

[0009] The auxiliary rack is integrally formed with the upper or lower housing.

[0010] The head end of the transmission bar is provided with a main driving straight gear, the hinged arm is provided with a fixed gear, the main driving straight gear is in transmission connection with the fixed gear, when the door body is opened downward relative to the hinged arm, the main driving straight gear slides forward along the fixed gear, thereby enabling the transmission bar to slide forward relative to the hinged arm and the auxiliary rack.

[0011] The main driving straight gear is integrally formed on the transmission bar.

[0012] The end of the auxiliary rack is provided with an extension bracket, one end of the extension bracket is fixed with the auxiliary rack, and the other end is fixed with the decorative plate.

[0013] The first and second gears are respectively located on opposite sides of the variable speed gear set, the first and second gears are coaxially arranged and the gear diameters of the two gears are different.

[0014] A dishwasher comprising a main body frame and a door body assembly with a linkage front push decorative plate as described above, the hinged arm is fixedly installed on the main body frame, and the door body is opened downward relative to the main body frame through the hinged arm, and the decorative plate is pushed forward in linkage.

[0015] The beneficial effects of the utility model are as follows:

[0016] The utility model discloses a transmission strip is set up speed change gear set at the first end, and the transmission strip drives the door pushing rack to slide forward through the speed change gear set, and then drives the decorative plate to slide forward and push open relative to the inner door plate, and the technical scheme can greatly change the stroke range of the decorative plate pushed forward under the condition that the size of the fixed gear of the hinged arm and the gear is designed to be limited. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three-dimensional view of the first embodiment of the utility model in the door closing state.

[0018] Figure 2 It is the sectional view of the first embodiment of the utility model in the door closing state. Figure 1 .

[0019] Figure 3 It is the sectional view of the first embodiment of the utility model in the door closing state. Figure 2 .

[0020] Figure 4 It is the exploded view of the first embodiment of the utility model. Figure 2 .

[0021] Figure 5 It is the grading of the door pusher of the first embodiment of the utility model. Figure 1 .

[0022] Figure 6 It is the grading of the door pusher of the first embodiment of the utility model. Figure 2 .

[0023] Figure 7 It is the sectional view of the first embodiment of the utility model in the half door opening state. Figure 1 .

[0024] Figure 8 It is the sectional view of the first embodiment of the utility model in the half door opening state. Figure 2 .

[0025] Figure 9 It is the sectional view of the first embodiment of the utility model in the full door opening state. Figure 1 .

[0026] Figure 10 It is the sectional view of the first embodiment of the utility model in the full door opening state. Figure 2 .

[0027] Figure 11For Figure 2 Enlarged view at A.

[0028] Figure 12 For Figure 3 Enlarged view at B.

[0029] Figure 13 For Figure 4 Enlarged view at C.

[0030] Figure 14 For Figure 8 Enlarged view at D.

[0031] Figure 15 For Figure 10 Enlarged view at E. DETAILED DESCRIPTION

[0032] The utility model will be further described below in combination with the drawings and embodiments.

[0033] Referring to Figures 1-15 , the door body assembly with linkage forward pushing decorative plate comprises a door body opened downward through a hinged arm 3, the door body comprises a decorative plate 1 and an inner door plate 2 which can slide to each other, and a door opener for linkage forward pushing open the decorative plate 1 when the door body is opened downward is arranged between the door body and the hinged arm 3, the door opener comprises a transmission bar 41, a door pushing rack 42 and an auxiliary rack 43, the head end of the transmission bar 41 is in transmission connection with the hinged arm 3, the door pushing rack 42 is fixed with the inner door plate 2, the tail end of the transmission bar 41 is rotationally connected with a variable speed gear set 44, the first gear 441 arranged on the variable speed gear set 44 is in transmission connection with the first spur gear 431 arranged on the auxiliary rack 43, the second gear 442 arranged on the variable speed gear set 44 is in transmission connection with the second spur gear 421 arranged on the door pushing rack 42, when the door body is opened downward, the transmission bar 41 slides forward relative to the hinged arm 3 and the auxiliary rack 43, thereby driving the door pushing rack 42 to slide forward, and then driving the decorative plate 1 to slide forward and push open relative to the inner door plate 2. The first gear 441 and the second gear 442 of the variable speed gear set 44 can be arranged with different speed ratios, by changing the speed ratio, under the condition that the size of the fixed gear 31 of the hinged arm 3 and the variable speed gear set 44, the door pushing rack 42 and the auxiliary rack 43 is limited, the stroke range of the decorative plate 1 pushed open forward can be greatly changed. For example, under the condition that the size of the fixed gear 31 of the hinged arm 3 and the variable speed gear set 44, the door pushing rack 42 and the auxiliary rack 43 is limited, the stroke range of the decorative plate 1 pushed open forward can only be between 50mm-100mm in the traditional design, and the technical solution can make the stroke range of the decorative plate 1 pushed open forward between 20mm-200mm.

[0034] Further, the door pusher comprises an upper casing 47 and a lower casing 45 which are mutually covered, the upper casing 47 is fixedly installed with the inner door panel 2 and / or the lower casing 45 is fixedly installed with the decorative panel 1, the transmission bar 41, the door push rack 42 and the auxiliary rack 43 are all arranged between the casing 44 and the lower casing 45, the first end of the transmission bar 41 is in transmission connection with the hinged arm 3 after penetrating through the upper casing 47 and the lower casing 45, the door push rack 42 is fixedly installed on or integrally formed on the upper casing 47 or the lower casing 45, the upper casing 47 and / or the lower casing 45 is provided with a guide sliding groove 46 which is in transmission connection with the auxiliary rack 43. Specifically, in the embodiment, the lower casing 45 is fixedly installed with the decorative panel 1, the upper casing 47 and the lower casing 45 are both provided with the guide sliding groove 46 which is in transmission connection with the auxiliary rack 43, the guide sliding groove 46 plays a role of unidirectional guiding of the sliding of the door push rack 42, and ensures the back and forth sliding of the door push rack 42 so as to realize the forward pushing of the decorative panel 1.

[0035] Further, the upper casing 47 is integrally formed with the inner door panel 2 and / or the lower casing 45 is integrally formed with the decorative panel 1, the upper casing 47 and the lower casing 45 are embedded between the decorative panel 1 and the inner door panel 2. Specifically, in the embodiment, the upper casing 47 and the lower casing 45 are both independent components which are respectively embedded between the decorative panel 1 and the inner door panel 2, and will not be exposed to the door body assembly, so that the original internal space of the door body assembly can be fully utilized, and the thickness of the door body assembly will not be significantly increased.

[0036] In the embodiment, the auxiliary rack 43 is an independent component which is fixedly installed in the upper casing 47, as an alternative technical solution, the auxiliary rack 43 can be integrally formed with the upper casing 47 or the lower casing 45. By adopting the independent component solution, when the variable speed gear set 44 with different variable speed ratios is replaced, the corresponding door push rack 42 and auxiliary rack 43 can be more conveniently and adaptively replaced.

[0037] Further, the first end of the transmission bar 41 is provided with a main drive spur gear 411, the hinged arm 3 is provided with a fixed gear 31, the main drive spur gear 411 is in transmission connection with the fixed gear 31, when the door body is opened downward relative to the hinged arm 3, the main drive spur gear 411 slides forward along the fixed gear 31, so as to make the transmission bar 41 slide forward relative to the hinged arm 3 and the auxiliary rack 43.

[0038] In the embodiment, the main drive spur gear 411 is an independent component which is fixedly installed on the transmission bar 41, as an alternative technical solution, the main drive spur gear 411 can be integrally formed on the transmission bar 41, which can be understood by those skilled in the art.

[0039] Further, the end of the auxiliary rack 43 is provided with an extension bracket 422, one end of the extension bracket 422 is fixed with the auxiliary rack 43, and the other end is fixed with the decorative plate 1, which can be understood by those skilled in the art.

[0040] Further, the first spur gear 431 and the second gear 442 are respectively located on the opposite sides of the gear shift gear set 44, specifically, the first spur gear 431 and the second gear 442 are respectively located on the opposite left and right sides of the gear shift gear set 44, the first gear 441 and the second gear 442 are coaxially arranged and the gear diameters of the two are different, specifically, when the diameter of the first gear 441 is greater than that of the second gear 442, the stroke range of the decorative plate 1 pushed forward can be smaller, and when the diameter of the first gear 441 is smaller than that of the second gear 442, the stroke range of the decorative plate 1 pushed forward can be larger, which can be understood by those skilled in the art.

[0041] The dishwasher comprises a main body frame 100 and a door body assembly with a linkage forward pushing decorative plate as described above, the hinged arm 3 is fixedly installed on the main body frame 100, the door body is opened downward relative to the main body frame 100 through the hinged arm 3, and the decorative plate 1 is linked to push forward at the same time, and similarly, the first gear 441 and the second gear 442 of the gear shift gear set 44 can be set to different gear ratios, by changing the gear ratio, under the condition that the size of the hinged gear 31 of the hinged arm 3 and the gear shift gear set 44, the door pushing rack 42 and the auxiliary rack 43 is limited, the stroke range of the decorative plate 1 pushed forward can be greatly changed.

[0042] In addition, the door body assembly can also be applied to other products, for example, a washing machine, a disinfection cabinet, a steaming and baking cabinet and the like, especially a product which can be integrally installed on a cabinet, which can be understood by those skilled in the art.

[0043] The above is the preferred scheme of the present application, which shows and describes the basic principle, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A door assembly with a linked forward push decorative panel, comprising a door body which is opened downward through a hinged arm (3), the door body comprising a mutually slidable decorative panel (1) and an inner door panel (2), a door opener is arranged between the door body and the hinged arm (3) for linking forward push open the decorative panel (1) when the door body is opened downward, characterized in that, The door pusher includes a transmission bar (41), a door push rack (42), and an auxiliary rack (43). The first end of the transmission bar (41) is connected to the hinge arm (3), and the door push rack (42) is fixed to the inner door panel (2). The tail end of the transmission bar (41) is rotatably connected to a speed change gear set (44). The first gear (441) on the speed change gear set (44) is connected to the first spur gear (431) on the auxiliary rack (43), and the second gear (442) on the speed change gear set (44) is connected to the second spur gear (421) on the door push rack (42). When the door is opened downwards, the transmission bar (41) slides forward relative to the hinge arm (3) and the auxiliary rack (43), thereby driving the door push rack (42) to slide forward, and then driving the decorative panel (1) to slide forward relative to the inner door panel (2) and push open.

2. The door assembly with a linked front push trim plate of claim 1, wherein: The pusher includes an upper housing (47) and a lower housing (45) that overlap each other. The upper housing (47) is fixedly installed with the inner door panel (2) and / or the lower housing (45) is fixedly installed with the decorative panel (1). The transmission bar (41), the pusher rack (42) and the auxiliary rack (43) are all arranged between the upper housing (47) and the lower housing (45). The first end of the transmission bar (41) passes through the upper housing (47) and the lower housing (45) and is connected to the hinge arm (3) for transmission. The pusher rack (42) is fixedly installed on the upper housing (47) or the lower housing (45), or integrally formed on the upper housing (47) or the lower housing (45). The upper housing (47) and / or the lower housing (45) are provided with guide grooves (46) that are connected to the auxiliary rack (43) for transmission.

3. The door assembly with a linked front push trim panel of claim 2, wherein: The upper shell (47) is integrally formed with the inner door panel (2) and / or the lower shell (45) is integrally formed with the decorative panel (1), with the upper shell (47) and the lower shell (45) embedded between the decorative panel (1) and the inner door panel (2).

4. The door assembly with a linked forward-pushing decorative panel according to claim 2, characterized in that: The auxiliary rack (43) is integrally formed with the upper housing (47) or the lower housing (45).

5. The door assembly with a linked forward-pushing decorative panel according to claim 1, characterized in that: The first end of the transmission bar (41) is provided with a main drive spur gear (411), and the hinge arm (3) is provided with a fixed gear (31). The main drive spur gear (411) is connected to the fixed gear (31) in a transmission manner. When the door body is opened downward relative to the hinge arm (3), the main drive spur gear (411) slides forward relative to the fixed gear (31), thereby causing the transmission bar (41) to slide forward relative to the hinge arm (3) and the auxiliary rack (43).

6. The door assembly with a linked forward-pushing decorative panel according to claim 5, characterized in that: The main drive spur gear (411) is integrally formed on the transmission bar (41).

7. The door assembly with a linked forward-pushing decorative panel according to claim 1, characterized in that: The auxiliary rack (43) is provided with an extension bracket (422) at its end. One end of the extension bracket (422) is fixed to the auxiliary rack (43), and the other end is fixed to the decorative panel (1).

8. The door assembly with a linked forward-pushing decorative panel according to claim 1, characterized in that: The first spur gear (431) and the second gear (442) are located on opposite sides of the gear set (44). The first gear (441) and the second gear (442) are coaxially arranged and their gear diameters are different.

9. A dishwasher, characterized in that, The assembly includes a main frame (100) and a door assembly with a forward-pushing decorative panel as described in any one of claims 1-8. The hinge arm (3) is fixedly mounted on the main frame (100). The door opens downward relative to the main frame (100) via the hinge arm (3) while the decorative panel (1) is pushed forward in conjunction.

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