Double-door dish washing machine
By designing a double-door structure and hinge mechanism, the problem of large space occupied by the dishwasher door is solved, achieving flexible opening and closing of the door and space optimization.
Patent Information
- Application Number
- CN202520109866.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-01-17
AI Technical Summary
The single-door design of existing dishwashers results in the door occupying a large space when opened, limiting the safe opening distance.
It adopts a double-door structure, and the first and second doors are opened and closed synchronously through a hinge mechanism and linkage components. The linkage design of the waist-shaped shaft hole and the arc groove reduces the space occupied by the door when it is open.
This design improves space utilization when the door is open, reduces restrictions on the safe opening distance, and enhances ease of use.
Smart Images

Figure CN223930128U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a dish-washing machine, more particularly to a double-door dish-washing machine. BACKGROUND
[0002] The current dish-washing machine is usually of a single-door structure. Since the door body is relatively high, the door body will occupy a large space on the front side of the dish-washing machine when it is turned open, resulting in a large limitation requirement for the door opening safety distance on the front side of the dish-washing machine.
[0003] The Chinese utility model patent with the publication number CN217310186U discloses a dish-washing machine, which is provided with two door bodies arranged in an up-down manner and can realize double-door opening and closing actions. This scheme solves the problem of reducing the space occupied by the door body when it is opened, and a new technical solution is provided to solve the above-mentioned problem. SUMMARY
[0004] The utility model aims at overcoming the deficiencies of the prior art and providing a double-door dish-washing machine.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A double-door dish-washing machine comprises a box body, a first door body, a second door body and a hinge mechanism, the box body is provided with a cleaning cavity and an opening;
[0007] The hinge mechanism comprises a first hinge, a second hinge and a linkage member, the first hinge is rotatably connected to the box body through a first fixed shaft, the first door body is fixedly installed on the first hinge, the second hinge is rotatably connected to the box body through a second fixed shaft, the second door body is fixedly installed on the second hinge, and the first door body and the second door body can rotate relative to the box body and can realize the opening and closing of the opening of the box body;
[0008] The first hinge and the second hinge are interconnected through the linkage member, the first hinge comprises a first connecting part, the second hinge comprises a second connecting part, the lower part of the linkage member is rotatably connected to the second connecting part through a first movable shaft, and the upper part of the linkage member is rotatably connected to the first connecting part through a second movable shaft;
[0009] The first connecting part is provided with a shaft hole and an arc-shaped groove, the second movable shaft is rotatably connected in the shaft hole, the upper part of the linkage member is provided with a third movable shaft, the third movable shaft extends into the arc-shaped groove and can slide along the arc-shaped groove.
[0010] The utility model is further provided with a waist-shaped structure, and the second movable shaft can slide radially along the direction of the shaft hole.
[0011] The utility model further sets up, the axle hole includes first side and second side, first side and arc groove concentricity arrangement, the inner perimeter one side of arc groove is provided with the gap part, third dynamic axle can slip from the arc groove to the gap part.
[0012] The utility model further sets up, the gap part's trend, with the first side and second side's trend of axle hole is identical, second door body can open the predetermined angle under the first door body closed state, third dynamic axle slips from the first side to the second side of axle hole, third dynamic axle slips to the gap part in the arc groove.
[0013] The utility model further sets up, first door body's one side towards the box installs first positioning part, the box is equipped with first limiting part, first door body is located the closed state, first positioning part and first limiting part can be mutually locked and stop adaptation.
[0014] The utility model further sets up, first positioning part and first limiting part mutually magnetism and stop adaptation.
[0015] The utility model further sets up, second door body's one side towards the box installs second positioning part, the box is equipped with second limiting part, second door body is located the closed state, second positioning part and second limiting part can be mutually locked and stop adaptation.
[0016] The utility model further sets up, second positioning part and second limiting part are provided with the lock hook part of mutual adaptation, second limiting part is rotatably connected in the box, the box is externally installed with the unlocking trigger part and the linkage rod, the unlocking trigger part is driven second limiting part rotation through the linkage rod, and second positioning part and second limiting part can be mutually unlocked.
[0017] The utility model further sets up, the width of first side and second side of axle hole, all with the outer diameter of third dynamic axle adaptation, the width of axle hole gradually expands from the first side to the second side direction.
[0018] The utility model further sets up, first side and second side of axle hole all form the arc surface, the arc surface can be opposite third dynamic axle, realizes rotation adaptation.
[0019] Summarized above, the utility model has the following beneficial effects:
[0020] By adopting first door body and second door body, two door bodies realize opening and closing together, and control the opening and closing of the opening of the dishwasher together, when first door body and second door body open, first door body and second door body are stacked up and down, and then the space occupied by the door body in the dishwasher can be reduced.
[0021] The first and second doors can be linked together through a linkage mechanism, enabling them to open and close roughly in sync.
[0022] The first connecting part has a shaft hole and an arc-shaped groove, which allow it to rotate and move in conjunction with the linkage component. A second moving shaft is rotatably connected within the shaft hole, enabling the linkage component to rotate around this second moving shaft. A third moving shaft is also mounted on the upper part of the linkage component, extending into the arc-shaped groove and sliding along it. The arc-shaped groove is roughly distributed in an arc shape around the shaft hole, allowing the first connecting part to have two guiding positions—the shaft hole and the arc-shaped groove—when rotating in conjunction with the linkage component, thus maintaining stability during rotation. Attached Figure Description
[0023] Figure 1 This embodiment shows a three-dimensional double-door dishwasher. Figure One ;
[0024] Figure 2 This is a side view of a double-door dishwasher in this embodiment. Figure One ;
[0025] Figure 3 This embodiment shows a three-dimensional double-door dishwasher. Figure Two ;
[0026] Figure 4 This is a side view of a double-door dishwasher in this embodiment. Figure Two ;
[0027] Figure 5 This is a schematic diagram of the hinge mechanism and the first and second doors in this embodiment;
[0028] Figure 6 This is a partial structural diagram of the hinge mechanism in this embodiment. Figure One ;
[0029] Figure 7 This is a partial structural diagram of the hinge mechanism in this embodiment. Figure Two .
[0030] Reference numerals: 1. Box body; 2. First door body; 21. First positioning part; 3. Second door body; 31. Second positioning part; 4. First hinge; 40. First connecting part; 41. First fixed shaft; 42. Shaft hole; 42. First side; 422. Second side; 43. Arc groove; 431. Notch; 5. Second hinge; 51. Second fixed shaft; 52. Second connecting part; 6. Support frame; 7. Linkage component; 71. First moving shaft; 72. Second moving shaft; 73. Third moving shaft; 8. First limiting part; 9. Second limiting part; 91. Unlock trigger part; 92. Linkage rod. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0032] This embodiment discloses a double-door dishwasher, referring to... Figures 1-7 As shown, the device includes a housing 1, a first door 2, a second door 3, and a hinge mechanism. The housing 1 has a cleaning chamber with an opening. The first door 2 and the second door 3 are installed at the opening of the housing 1, and together they open and close the opening. The first door 2 is located above the second door 3, arranged vertically. Figures 1-4 As shown.
[0033] Reference Figures 4-7 As shown, the hinge mechanism includes a first hinge 4, a second hinge 5, and a linkage 7. The first hinge 4 is rotatably connected to the housing 1 via a first fixed axis 41. The first door 2 is fixedly installed on the first hinge 4. The second hinge 5 is rotatably connected to the housing 1 via a second fixed axis 51. The second door 3 is fixedly installed on the second hinge 5. The first door 2 and the second door 3 can rotate relative to the housing 1, and the opening and closing of the housing 1 can be achieved by rotating.
[0034] The first hinge 4 and the second hinge 5 are linked together by a linkage 7, thereby enabling the first door 2 and the second door 3 to open and close approximately synchronously. The first hinge 4 includes a first connecting part 40, and the second hinge 5 includes a second connecting part 52. The lower part of the linkage 7 is rotatably connected to the second connecting part 52 via a first moving shaft 71, and the upper part of the linkage 7 is rotatably connected to the first connecting part 40 via a second moving shaft 72.
[0035] The first connecting part 40 has a shaft hole 42 and an arc-shaped groove 43, which can be rotated and linked with the linkage 7 through the shaft hole 42 and the arc-shaped groove 43. The second moving shaft 72 is rotatably connected in the shaft hole 42, and the linkage 7 can achieve rotational linkage with the second moving shaft 72 as the axis.
[0036] A third moving shaft 73 is also installed on the upper part of the linkage 7. The third moving shaft 73 extends into the arc-shaped groove 43 and can slide along the arc-shaped groove 43. The arc-shaped groove 43 can be roughly distributed in an arc shape with the shaft hole 42 as the center, so that when the first connecting part 40 rotates and is linked with the linkage 7, it can have two positions for rotational guidance, namely the shaft hole 42 and the arc-shaped groove 43, thereby maintaining the stability of the rotation process.
[0037] Reference Figures 5-7As shown, the shaft hole 42 has a roughly waist-shaped structure, and the second movable shaft 72 can be adjusted radially along the direction of the shaft hole 42. Specifically, the shaft hole 42 includes a first side 421 and a second side 422, with the first side 421 being concentrically arranged with the arc-shaped groove 43.
[0038] A notch 431 is provided on one side of the end of the arc-shaped groove 43. The notch 431 protrudes towards the center of the arc-shaped groove 43, enabling a clearance action. The third moving shaft 73 can slide from the arc-shaped groove 43 into the notch 431. The orientation of the notch 431 is consistent with the orientation of the first side 421 and the second side 422 of the shaft hole 42. Through the waist-shaped shaft hole 42 and the notch 431 of the arc-shaped groove 43, clearance adjustment can be achieved, thereby allowing the second door 3 to deflect at a small angle when closed and stationary.
[0039] The second door 3 can open to a predetermined angle when the first door 2 is closed. The second movable shaft 72 slides from the first side 421 of the shaft hole 42 to the second side 422, and the third movable shaft 73 slides from the arc-shaped groove 43 into the notch 431. During the deflection process of the second door 3, the movement states of the second movable shaft 72 and the third movable shaft 73 are as follows: Figure 6 , Figure 7 As shown.
[0040] Furthermore, the widths of the first side 421 and the second side 422 of the shaft hole 42 are both adapted to the outer diameter of the third moving shaft 73. In addition, the width of the shaft hole 42 gradually increases from the first side 421 to the second side 422, with the width of the second side 422 being slightly larger.
[0041] During the large-scale opening and closing of the door, the third moving shaft 73 moves into the arc-shaped groove 43, while the second moving shaft 72 is located in the first side 421 of the shaft hole 42. This allows it to rotate in conjunction with the third moving shaft 73 at a smaller position within the shaft hole 42, resulting in a more stable rotational movement. The width of the second side 422 of the shaft hole 42 is slightly larger than that of the second moving shaft 72, allowing the second moving shaft 72 to slide along the length of the waist-shaped shaft in the shaft hole 42. It also allows for adaptive swaying in the width direction of the second side 422, enabling the second door 3 to form a flexible linkage action when opening from the closed state.
[0042] Both the first side 421 and the second side 422 of the shaft hole 42 are formed with arc-shaped surfaces. The interaction of the arc-shaped surfaces can be adapted to the outer diameter of the third moving shaft 73. The arc-shaped surfaces can abut against the third moving shaft 73 to achieve rotational adaptation, thereby enabling the first connecting part 40 and the linkage 7 to rotate smoothly together.
[0043] A first positioning part 21 is installed on the side of the first door 2 facing the box 1. The box 1 is equipped with a first limiting part 8. When the first door 2 is in the closed state, the first positioning part 21 and the first limiting part 8 can lock and adapt to each other. A second positioning part 31 is installed on the side of the second door 3 facing the box 1. The box 1 is equipped with a second limiting part 9. When the second door 3 is in the closed state, the second positioning part 31 and the second limiting part 9 can lock and adapt to each other.
[0044] The first door 2 and the second door 3 can be locked together with the housing 1. Specifically, the first positioning part 21 and the first limiting part 8 are magnetically locked together. For example, the first limiting part 8 is a magnet and the first positioning part 21 is a magnetic adsorption block, thereby enabling them to magnetically attract each other.
[0045] The second positioning part 31 and the second limiting part 9 are provided with mutually compatible locking hooks. The second limiting part 9 is rotatably connected to the housing 1. When the second limiting part 9 rotates toward the second positioning part 31, the two can lock together. When the second limiting part 9 rotates north toward the second positioning part 31, the two can unlock each other.
[0046] In addition, an unlocking trigger 91 and a linkage rod 92 are installed on the outside of the housing 1. The unlocking trigger 91 is rotatably connected to the housing 1 and drives the second limiting part 9 to rotate via the linkage rod 92. By operating the unlocking trigger 91, the second positioning part 31 and the second limiting part 9 can be unlocked from each other. Furthermore, a return spring is installed between the housing 1 and the second limiting part 9. Under the action of the return spring, the second limiting part 9 can deflect and reset in the locking direction.
[0047] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.
Claims
1. A double-door dishwasher, characterized in that, It includes a housing (1), a first door (2), a second door (3) and a hinge mechanism. The housing (1) has a cleaning chamber and an opening. The hinge mechanism includes a first hinge (4), a second hinge (5), and a linkage (7). The first hinge (4) is rotatably connected to the box (1) via a first fixed axis (41). The first door (2) is fixedly installed on the first hinge (4). The second hinge (5) is rotatably connected to the box (1) via a second fixed axis (51). The second door (3) is fixedly installed on the second hinge (5). The first door (2) and the second door (3) can rotate relative to the box (1) and can realize the opening and closing of the box (1). The first hinge (4) and the second hinge (5) are linked together by a linkage (7). The first hinge (4) includes a first connecting part (40), and the second hinge (5) includes a second connecting part (52). The lower part of the linkage (7) is rotatably connected to the second connecting part (52) through a first moving shaft (71), and the upper part of the linkage (7) is rotatably connected to the first connecting part (40) through a second moving shaft (72). The first connecting part (40) has a shaft hole (42) and an arc groove (43). The second moving shaft (72) is rotatably connected in the shaft hole (42). The upper part of the linkage (7) is provided with a third moving shaft (73). The third moving shaft (73) extends into the arc groove (43) and can slide along the arc groove (43).
2. The double-door dishwasher according to claim 1, characterized in that, The shaft hole (42) has an oblong structure, and the second moving shaft (72) can be adjusted radially along the direction of the shaft hole (42).
3. The double-door dishwasher according to claim 2, characterized in that, The shaft hole (42) includes a first side (421) and a second side (422). The first side (421) is concentrically arranged with the arc groove (43). A notch (431) is provided on one side of the inner circumference of the arc groove (43). The third moving shaft (73) can slide from the arc groove (43) into the notch (431).
4. The double-door dishwasher according to claim 3, characterized in that, The orientation of the notch (431) is consistent with the orientation of the first side (421) and the second side (422) of the shaft hole (42); the second door (3) can be opened to a predetermined angle when the first door (2) is closed; the second moving shaft (72) slides from the first side (421) of the shaft hole (42) to the second side (422); and the third moving shaft (73) slides from the arc groove (43) into the notch (431).
5. The double-door dishwasher according to claim 1, characterized in that, The first door (2) is equipped with a first positioning part (21) on the side facing the box (1), and the box (1) is equipped with a first limiting part (8). The first door (2) is in the closed state, and the first positioning part (21) and the first limiting part (8) can lock and adapt to each other.
6. The double-door dishwasher according to claim 5, characterized in that, The first positioning part (21) and the first limiting part (8) are magnetically locked together.
7. The double-door dishwasher according to claim 1, characterized in that, The second door (3) is equipped with a second positioning part (31) on the side facing the box (1), and the box (1) is equipped with a second limiting part (9). The second door (3) is in the closed state, and the second positioning part (31) and the second limiting part (9) can lock and adapt to each other.
8. The double-door dishwasher according to claim 7, characterized in that, The second positioning part (31) and the second limiting part (9) are provided with mutually compatible locking hooks. The second limiting part (9) is rotatably connected to the box body (1). An unlocking trigger part (91) and a linkage rod (92) are installed outside the box body (1). The unlocking trigger part (91) drives the second limiting part (9) to rotate through the linkage rod (92). The second positioning part (31) and the second limiting part (9) can unlock each other.
9. The double-door dishwasher according to claim 3, characterized in that, The widths of the first side (421) and the second side (422) of the shaft hole (42) are both adapted to the outer diameter of the third moving shaft (73); the width of the shaft hole (42) gradually increases from the first side (421) to the second side (422).
10. The double-door dishwasher according to claim 9, characterized in that, The first side (421) and the second side (422) of the shaft hole (42) are both formed with arc-shaped surfaces, which can abut against the third moving shaft (73) to achieve rotational adaptation.
Citation Information
Patent Citations
Dish washing machine
CN217310186U