Safety protection mechanism for lifting device of dish washing machine

Abstract

The utility model discloses a safety protection mechanism for a lifting device of a dish-washing machine, which is characterized by comprising a baffle cover arranged on a dish basket lifting hinge, and the dish basket lifting hinge comprises a fixed connecting rod assembly, a parallel connecting rod assembly, a push connecting rod assembly and a slide rail support assembly. The upper ends of the push connecting rod assembly and the parallel connecting rod assembly are hinged to the fixed connecting rod assembly, the lower ends of the push connecting rod assembly and the parallel connecting rod assembly are hinged to the sliding rail support assembly, and the push connecting rod assembly is covered with the baffle cover. Position between the parallel connecting rod assembly and the push connecting rod assembly and position between the push connecting rod assembly and the slide rail support assembly which may cause hand clamping can be shielded and hidden. The dish-washing machine lifting device is good in stability, and the safety performance of the dish-washing machine lifting device is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dishwasher technology field more specifically relates to a dishwasher lifting device. BACKGROUND

[0002] At present, in order to save space and improve the aesthetic degree, most of the existing cabinet has the function module of dishwasher and disinfection cabinet, and the shelf for containing bowls in the dishwasher and disinfection cabinet is generally moved into and out of the cabinet in a horizontal push-pull manner. For the lower shelf designed in the lowermost layer, the user will have to bend down to load or unload the articles. This can cause physical discomfort, especially for the disabled and / or the elderly. For this reason, the skilled person in the art has developed a shelf lifting device, such as Chinese patent publication No. CN107580469B, which discloses a mechanism for unlocking a raised lower shelf in a dishwasher. The mechanism for unlocking the raised lower shelf is provided in a device of the dishwasher (10), which device is capable of raising the lower shelf (11) from a lower position to an upper position and locking the raised lower shelf in the upper position. The lifting device comprises a spring-loaded pivoting arm device (12) having one end attached to a tub (13) of the dishwasher and the other end attached to the lower shelf (11) for raising the lower shelf (11) from a lower position inside the tub to an upper position at least partially outside the tub; the lifting device further comprises a locking mechanism (21) arranged between the spring-loaded pivoting arm device (12) and the lower shelf (11) and configured to lock the spring-loaded pivoting arm device when the lower shelf has been raised to the upper position, thereby fixing the lower shelf in the upper position; the mechanism for unlocking the raised lower shelf (11) is characterized by comprising a lever (20) extending from a front portion of the lower shelf (11) along each side of the lower shelf to the locking mechanism (21) positioned on the respective side of the shelf (11), wherein the user operating the lever (20) located at the front portion of the raised lower shelf causes the respective end of the lever to act on the locking mechanism (21) positioned on the respective side of the shelf to unlock the raised lower shelf (11), so that the lower shelf can be lowered to its lower position. But the disadvantage is that the pivoting arm device lacks a protection mechanism outside, and there is a risk of pinching the user's hand due to misoperation during lifting, and the safety needs to be improved, so the structure needs to be further improved. SUMMARY

[0003] The utility model discloses a stable and reliable, safe and reliable dishwasher lifting device safety protection mechanism is provided to solve the technical problems of prior art.

[0004] The utility model discloses a dish-washing machine lifting device safety protection mechanism, its characterized in that, it includes the baffle cover of setting in basket lifting hinge, basket lifting hinge includes fixed link assembly, parallel link assembly, push link assembly, slide rail support assembly, and the upper end of push link assembly and parallel link assembly is respectively hinged with fixed link assembly, and the lower end of push link assembly and parallel link assembly is respectively hinged with slide rail support assembly, and the baffle cover covers push link assembly outside, makes parallel link assembly, push link assembly rotates around fixed link assembly, and the position of parallel link assembly and push link assembly, push link assembly and slide rail support assembly between possibly causing the hand clamping situation all can be hidden, greatly improve the safety performance of dish-washing machine lifting device.

[0005] Further, the back of the baffle cover is provided with a buckling foot, and the parallel link assembly is provided with a slot, and the buckling foot and the slot are movably buckled.

[0006] Further, the parallel link assembly is connected with a lock pin link, and the inner side of the parallel link assembly is provided with a rotating shaft rotatably connected with the lock pin link; the end of the lock pin link is provided with a lock pin, and the slide rail support assembly is provided with a guide groove hole corresponding to the lock pin, and the guide groove hole is provided with a locking position, and the lock pin is inserted into the guide groove hole and slid to the locking position, so that the locking of the dish-washing machine lifting device in the lifting state can be realized.

[0007] Further, the outer side of the guide groove hole is provided with a torsional spring positioning shaft and a torsional spring positioning plate, the torsional spring positioning shaft is wound with a torsional spring, one end of the torsional spring is pressed on the lock pin, and the torsional spring positioning plate is provided with a clamping groove and the other end of the torsional spring is pressed.

[0008] Further, the middle part of the lock pin is provided with an annular groove, and the end side of the torsional spring is matched with the annular groove.

[0009] Further, the fixed link assembly is horizontally arranged, the parallel link assembly and the push link assembly are arranged in parallel with each other, the upper side of the parallel link assembly is provided with a convex position, and the upper side of the push link assembly is provided with a concave position matched with the convex position.

[0010] The utility model discloses the beneficial effect that can be achieved by the above technical solutions is.

[0011] The utility model discloses dish -washing machine lifting hinge structure that mainly fixed link assembly, parallel link assembly, push link assembly, slide rail support assembly constitute, through setting the baffle cover that covers push link assembly outside on parallel link assembly, make parallel link assembly, push link assembly rotates around fixed link assembly, and parallel link assembly and push link assembly between, push link assembly and slide rail support assembly between the position that possibly causes the hand clamping situation all can be hidden, greatly improve the safety performance of dish -washing machine lifting device, and the stability is better. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the bowl basket installation structure of this utility model.

[0013] Figure 2 This is a schematic diagram of the bowl basket lifting hinge structure of this utility model.

[0014] Figure 3 This is a schematic diagram of the bowl basket lifting hinge structure of this utility model.

[0015] Figure 4 This is a schematic diagram of the locking pin linkage structure.

[0016] Explanation of reference numerals in the attached drawings: 1. Bowl basket lifting hinge 1-1, Fixed link assembly 1-2, Parallel link assembly 1-21, Slot 1-3, Push link assembly 1-4, Slide rail bracket assembly 1-41, Guide slot hole 1-42, Torsion spring positioning shaft 1-43, Torsion spring positioning plate 2, Upper bowl basket 3, Lower bowl basket 4, Baffle cover 4-1, Buckle foot 5, Parallel link assembly 5-1, Locking pin link 5-11, Locking pin 5-2, Rotating shaft 6, Torsion spring. Detailed Implementation

[0017] In the description of this utility model, it should be noted that the directional terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0018] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Thus, the use of "first" and "second" to define a feature may explicitly or implicitly include one or more of that feature, and in this description of the utility model, "at least" means one or more, unless otherwise explicitly specified.

[0019] In the utility model, except another explicit provision and limitation, such as the term "assembly", "connection" term should be understood as broad, for example, can be fixed connection, can also be detachable connection, or integrally connected;It can also be mechanical connection;It can be directly connected, or connected through an intermediate medium, it can be two elements inside connected.

[0020] In the utility model, unless otherwise specified and limited, the "upper" or "lower" of the first feature of the second feature can include the direct contact of the first and second features, or the contact of the first feature and the second feature through another feature between them. Moreover, the "upper", "lower" and "above" of the first feature of the second feature include the first feature directly above and obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than the height of the second feature. The "upper", "lower" and "below" of the first feature of the second feature include the first feature directly below or obliquely below the second feature, or only indicate that the horizontal height of the first feature is lower than the second feature.

[0021] The specific embodiments of the utility model are further described below in conjunction with the drawings of the specification, so that the technical scheme of the utility model and its beneficial effects are more clear and explicit. The description of the embodiments below by reference to the drawings is exemplary and is intended to explain the utility model, and cannot be understood as a limitation of the utility model.

[0022] As shown in Figures 1-4 The utility model discloses a dishwasher lifting device safety protection mechanism, wherein, the dishwasher includes cabinet main body, two side basket lifting hinges 1 installed in the inner wall of the cabinet main body of dishwasher, upper basket 2 and lower basket 3, the upper basket 2 is fixed installation structure, and the up-down position is not adjustable, and the lower basket 3 is used with two side basket lifting hinges 1, and the lifting translation function can be realized.

[0023] The safety protection mechanism of the dishwasher lifting device includes a baffle cover 4, which is used in cooperation with a bowl basket lifting hinge 1, and the purpose is to solve the hand clamping situation that may be caused by the dishwasher lifting device during operation. The bowl basket lifting hinge 1 includes a fixed connecting rod assembly 1-1, a parallel connecting rod assembly 1-2, a pushing connecting rod assembly 1-3 and a slide rail support assembly 1-4. The upper ends of the pushing connecting rod assembly 1-3 and the parallel connecting rod assembly 1-2 are respectively hinged to the fixed connecting rod assembly 1-1, and the lower ends of the pushing connecting rod assembly 1-3 and the parallel connecting rod assembly 1-2 are respectively hinged to the slide rail support assembly 1-4. The baffle cover 4 covers the pushing connecting rod assembly 1-3, so that when the parallel connecting rod assembly 1-2 and the pushing connecting rod assembly 1-3 rotate around the fixed connecting rod assembly 1-1, the positions between the parallel connecting rod assembly 1-2 and the pushing connecting rod assembly 1-3 and between the pushing connecting rod assembly 1-3 and the slide rail support assembly 1-4, which may cause the hand clamping situation, are hidden, thereby greatly improving the safety performance of the dishwasher lifting device. The back of the baffle cover 4 is provided with a buckling foot 4-1, and the parallel connecting rod assembly 1-2 is provided with a slot 1-21. The buckling foot and the slot are movably buckled, and no fastener is needed for fixation, so that the disassembly and maintenance are convenient.

[0024] The parallel connecting rod assembly 5 is connected with a locking pin connecting rod 5-1, and the inner side of the parallel connecting rod assembly is provided with a rotating shaft 5-2 that is rotatably connected with the locking pin connecting rod, so that the locking pin connecting rod can rotate around the rotating shaft. The end of the locking pin connecting rod 5-1 is provided with a locking pin 5-11, and the slide rail support assembly 1-4 is provided with a guide groove hole 1-41 corresponding to the locking pin 5-11. The guide groove hole is provided with a locking position, and the locking pin is inserted into the guide groove hole and slid to the locking position, so that the locking of the lifting device of the dishwasher in the lifting state can be realized.

[0025] The outer side of the guide groove hole 1-41 is provided with a torsion spring positioning shaft 1-42 and a torsion spring positioning plate 1-43. The torsion spring positioning shaft 1-42 is wound with a torsion spring 6, one end of the torsion spring 6 is pressed on the locking pin, and the torsion spring positioning plate is provided with a clamping groove and the other end of the torsion spring is pressed in cooperation. The middle part of the locking pin 5-11 is provided with an annular groove, the end side of the torsion spring is matched with the annular groove in concave-convex mode, and the function of the torsion spring is to reset the locking pin connecting rod.

[0026] Compared with the prior art, the baffle cover covering the pushing connecting rod assembly is arranged on the parallel connecting rod assembly, so that when the parallel connecting rod assembly and the pushing connecting rod assembly rotate around the fixed connecting rod assembly, the positions between the parallel connecting rod assembly and the pushing connecting rod assembly and between the pushing connecting rod assembly and the slide rail support assembly, which may cause the hand clamping situation, can be hidden, thereby greatly improving the safety performance of the dishwasher lifting device and better stability.

[0027] The above merely describes preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the inventive concept, a number of modifications and improvements can be made, and these all belong to the protection scope of the present application.

Claims

1. A safety protection mechanism for a dishwasher lifting device, characterized in that, It includes the baffle cover arranged on the bowl basket lifting hinge, the bowl basket lifting hinge includes the fixed connecting rod assembly, the parallel connecting rod assembly, the push connecting rod assembly, the slide rail support assembly, the upper end of the push connecting rod assembly and the parallel connecting rod assembly is respectively hinged with the fixed connecting rod assembly, the lower end of the push connecting rod assembly and the parallel connecting rod assembly is respectively hinged with the slide rail support assembly, and the baffle cover covers the push connecting rod assembly.

2. The safety guard mechanism for a dishwasher lifting device according to claim 1, wherein The back of the baffle cover is provided with a buckling foot, the parallel connecting rod assembly is provided with a slot, and the buckling foot is movably buckled with the slot.

3. The safety guard mechanism for a dishwasher lifting device according to claim 1, wherein The parallel connecting rod assembly is connected with a lock pin connecting rod, the inner side of the parallel connecting rod assembly is provided with a rotating shaft rotatably connected with the lock pin connecting rod; the end of the lock pin connecting rod is provided with a lock pin, the slide rail support assembly is provided with a guide groove hole corresponding to the lock pin, and the guide groove hole is provided with a locking position.

4. The safety mechanism for a dishwasher lifting device according to claim 3, characterized in that, The outer side of the guide groove hole is provided with a torsion spring positioning shaft and a torsion spring positioning plate, the torsion spring positioning shaft is wound with a torsion spring, one end of the torsion spring is pressed on the lock pin, and the torsion spring positioning plate is provided with a clamping groove and the other end of the torsion spring is pressed in cooperation.

5. The safety mechanism for a dishwasher lifting device according to claim 3, wherein The middle part of the lock pin is provided with an annular groove, and the end side of the torsion spring is matched with the annular groove.

6. The safety mechanism for a dishwasher lifting device according to claim 1, wherein The fixed connecting rod assembly is horizontally arranged, the parallel connecting rod assembly and the push connecting rod assembly are arranged in parallel with each other, the upper side of the parallel connecting rod assembly is provided with a convex position, and the upper side of the push connecting rod assembly is provided with a concave position matched with the convex position.

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