CN211213022U - Hinge mechanism for dish washing machine and dish washing machine - Google Patents
Hinge mechanism for dish washing machine and dish washing machine Download PDFInfo
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- CN211213022U CN211213022U CN201921702822.9U CN201921702822U CN211213022U CN 211213022 U CN211213022 U CN 211213022U CN 201921702822 U CN201921702822 U CN 201921702822U CN 211213022 U CN211213022 U CN 211213022U
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Abstract
The utility model discloses a the hinge mechanism for dish washer, include: a hinge mount; the hinge arm is rotationally connected to the hinge seat through the hinge shaft; the disc spring is sleeved on the hinge shaft and clamped between the hinge arm and the hinge seat; the friction plate is sleeved on the hinge shaft and linked with the hinge shaft, the friction plate is clamped between the hinge arm and the disc spring, and the friction plate is in friction fit with the hinge arm; the locking nut is provided with a thread structure at one end of the hinge shaft far away from the hinge seat, the locking nut can be in threaded connection with the hinge shaft through the thread structure, and the locking nut can enable the disc spring and the friction plate to be clamped between the hinge arm and the hinge seat; the adjusting structure is arranged between the friction plate and the hinge arm and can adjust the pressing force between the friction plate and the hinge arm when the hinge arm rotates relative to the friction plate. The door has the advantages of simple structure, small occupied space and easy and labor-saving opening.
Description
Technical Field
The utility model relates to a dish washer field, in particular to a hinge mechanism and dish washer for dish washer.
Background
The opening and closing structure of the door body commonly used in the dish washing machine is generally a hinge mechanism arranged between the door body and the shell of the dish washing machine, and is provided with a tension spring to enable the door body to achieve the effect of hovering the door body at any angle and slowly opening and closing in the opening and closing process. However, the tension spring needs a longer stroke when the door body is opened and closed, so a certain installation space is reserved for installing the tension spring, the hinge mechanism is larger in size, more space is occupied on the internal structure design of the dish washing machine, the service life of the tension spring is shorter, after long-time use, the elastic force can be reduced or damaged, the effect of hovering the door body at any angle and slowly opening and closing the door body is poor or even invalid when the door body is opened and closed, in addition, the traditional dish washing machine meets the requirements of hovering and slowly opening and closing the door body at any angle in the opening and closing process of the door body, the resistance in the door body opening process is increased, the labor intensity of a user is increased, and the experience of the user is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a hinge mechanism for dish washer that occupation space is little, long service life and open the door easily.
The utility model discloses still provide a dish washer that has above-mentioned the hinge mechanism for dish washer.
According to the utility model discloses a hinge mechanism for dish washer of first aspect embodiment includes:
a hinge mount;
the hinge base is provided with a hinge shaft which is linked with the hinge base, and the hinge arm is rotationally connected to the hinge base through the hinge shaft;
the disc spring is sleeved on the hinge shaft and clamped between the hinge arm and the hinge seat;
the friction plate is sleeved on the hinge shaft and is linked with the hinge shaft, the friction plate is clamped between the hinge arm and the disc spring, and the friction plate is in friction fit with the hinge arm;
the locking nut is provided with a thread structure at one end of the hinge shaft, which is far away from the hinge seat, can be in threaded connection with the hinge shaft through the thread structure, and can enable the disc spring and the friction plate to be clamped between the hinge arm and the hinge seat;
the adjusting structure is arranged between the friction plate and the hinge arm and can adjust the pressing force between the friction plate and the hinge arm when the hinge arm rotates relative to the friction plate.
According to the utility model discloses a hinge mechanism for dish washer has following beneficial effect at least: the friction plate is in friction fit with the hinge arm through the locking nut, the friction plate is in friction fit with the hinge arm through the fit of the locking nut and the disc spring, and the pressing force between the friction plate and the hinge arm when the hinge arm rotates relative to the friction plate can be adjusted through the adjusting structure, so that the friction resistance between the friction plate and the hinge arm when the hinge arm rotates relative to the friction plate can be adjusted. In the process of opening the door body, namely when the hinge arm and the hinge seat are unfolded, the pressing force between the friction plate and the hinge arm is reduced progressively, so that the frictional resistance between the friction plate and the hinge arm is reduced progressively, the door body is opened easily and laborsavingly, the labor intensity of a user is reduced, and the experience feeling of the user is improved; in the process of closing the door body, namely when the hinge arms and the hinge seat are folded, the pressing force between the friction plates and the hinge arms is increased progressively, so that the friction resistance between the friction plates and the hinge arms is increased progressively, the door body can hover at any angle in the closing process, and after the door body is closed, the increased friction resistance between the friction plates and the hinge arms is favorable for ensuring that the door body cannot be opened mistakenly in the working process of the dishwasher; and need not to use tension spring, reduced the occupation space of hinge mechanism, be favorable to reducing the whole volume of dish washer, and simple structure is stable, long service life.
According to some embodiments of the invention, the adjustment structure comprises:
the first inclined bulge is arranged on one surface, facing the hinge arm, of the friction plate;
the second inclined bulge is arranged on one surface, facing the friction plate, of the hinge arm, and the inclined surface of the first inclined bulge is in friction fit with the inclined surface of the second inclined bulge;
when the hinge arm rotates relative to the friction plate, the pressing force between the inclined surface of the first inclined protrusion and the inclined surface of the second inclined protrusion can be increased or decreased gradually.
When the hinge arm rotates relative to the friction plate, the whole width of the hinge arm and the friction plate along the axial direction of the hinge shaft can be changed through the matching between the first inclined bulge and the second inclined bulge. In the process of opening the door body, the integral width of the hinge arm and the friction plate along the axial direction of the hinge shaft is gradually reduced, and the pressing force exerted on the disc spring is gradually reduced, so that the pressing force between the friction plate and the hinge arm is gradually reduced, and the friction resistance between the inclined surface of the first inclined bulge part and the inclined surface of the second inclined bulge part is gradually reduced; in the process of closing the door body, the whole width of the hinge arm and the friction plate along the axial direction of the hinge shaft is increased gradually, the pressing force applied to the disc spring is increased gradually, so that the pressing force between the friction plate and the hinge arm is increased gradually, and the friction resistance between the inclined surface of the first inclined bulge part and the inclined surface of the second inclined bulge part is increased gradually.
According to some embodiments of the utility model, first slope bellying with second slope bellying all is provided with two, two first slope bellying central symmetry sets up, two second slope bellying central symmetry sets up, first slope bellying with second slope bellying can mutually support in order to restrict the hinge arm is relative friction disc pivoted angle. In the process of opening the door body, the first inclined convex part can be gradually meshed with the second inclined convex part, so that the first inclined convex part and the second inclined convex part are mutually abutted to limit the opening angle of the door body.
According to some embodiments of the utility model, the hinge pin with the hinge seat is split type structure, be equipped with first installation through-hole on the hinge seat, the hinge pin is worn to locate in the first installation through-hole, just the hinge pin is close to the one end of hinge seat is equipped with spacing portion, the hinge arm cover is located on the hinge pin and can be relative the hinge pin rotates. And a split structure is adopted, so that the assembly and disassembly are convenient, and the maintenance is convenient.
According to some embodiments of the present invention, the disc spring and between the hinge seats and the lock nut and between the hinge arms are all provided with elastic washers. The locking nut can be prevented from loosening in the opening and closing process of the door body, and the stability of the hinge mechanism in the working process can be improved.
According to the utility model discloses a dish washer of second aspect embodiment, it includes according to the utility model discloses above-mentioned the hinge mechanism for dish washer of first aspect embodiment still includes:
the hinge seat is fixedly connected with the shell;
the inner container is of a cavity structure with an opening at the top and is arranged in the shell;
the door body is arranged at the opening at the top of the shell, and the hinge arm is fixedly connected to the door body.
According to the utility model discloses dish washer has following beneficial effect at least: the locking nut provides locking force, the friction plate is in friction fit with the hinge arm through the fit of the locking nut and the disc spring, and the pressing force between the friction plate and the hinge arm when the hinge arm rotates relative to the friction plate can be adjusted through the adjusting structure. In the process of opening the door body, namely when the hinge arm and the hinge seat are unfolded, the pressing force between the friction plate and the hinge arm is reduced progressively, so that the frictional resistance between the friction plate and the hinge arm is reduced progressively, the door body is opened easily and laborsavingly, the labor intensity of a user is reduced, and the experience feeling of the user is improved; in the process of closing the door body, namely when the hinge arms and the hinge seat are folded, the pressing force between the friction plates and the hinge arms is increased progressively, so that the friction resistance between the friction plates and the hinge arms is increased progressively, the door body can hover at any angle in the closing process, and after the door body is closed, the increased friction resistance between the friction plates and the hinge arms is favorable for ensuring that the door body cannot be opened mistakenly in the working process of the dishwasher; and need not to use tension spring, reduced the occupation space of hinge mechanism, be favorable to reducing the whole volume of dish washer, and simple structure is stable, long service life.
According to some embodiments of the utility model, the hinge seat is U type structure, the inside wall of shell is equipped with first hem inwards in upper portion, be equipped with second installation through-hole on the first hem, the tip of hinge seat U type mouth is worn to locate in the second installation through-hole, the hinge arm connect in the tip of hinge seat U type mouth, just the bottom of hinge seat with first hem passes through the screw connection. Place in the hinge seat in the shell, make full use of the shell with space between the inner bag is right the hinge seat plays the guard action, is favorable to avoiding the hinge seat takes place to warp or contact water in the use and takes place the corrosion because of external force in the transportation, just the hinge seat does not expose, is favorable to promoting user's experience and feels.
According to some embodiments of the utility model, be equipped with the reference column down on the first edge of folding, be equipped with on the hinge seat with the spacing hole that the reference column is corresponding. In the process of installing the hinge seat, the hinge seat is positioned through the matching between the positioning column and the limiting hole, so that the alignment is conveniently carried out during the installation of the screw.
According to the utility model discloses a some embodiments, the bottom of hinge seat is equipped with the second hem down, the second hem presss from both sides to be arranged in the lateral wall of inner bag with between the inside wall of shell, the inner bag the second hem and the shell passes through bolted connection. The fixing of the hinge seat can be further strengthened, and the stability of the hinge mechanism in the working process can be improved.
According to some embodiments of the utility model, the door body includes upper cover and lower cover, be equipped with on the lower cover and dodge the mouth, the tip of hinge seat U type mouth stretch out in the part of second installation through-hole is worn to locate dodge in the mouth and make the hinge arm clamp is arranged in the upper cover with between the lower cover, the hinge arm with the lower cover passes through bolted connection. Through will the hinge arm is built in the upper cover with between the lower cover, right the hinge arm plays the guard action, is favorable to avoiding the hinge arm takes place to warp or the in-process contact water that uses takes place the corrosion because of external force in the transportation, makes the hinge arm does not expose, is favorable to promoting user's experience and feels.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a hinge mechanism according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at I;
FIG. 3 is an exploded view of the hinge mechanism according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at II;
FIG. 5 is an enlarged view of a portion of FIG. 3 at III;
fig. 6 is an exploded view of the hinge mechanism and the housing according to the embodiment of the present invention;
FIG. 7 is an enlarged view of a portion IV of FIG. 6;
FIG. 8 is a second exploded view of the hinge mechanism and the housing according to the embodiment of the present invention;
FIG. 9 is an enlarged partial view taken at V in FIG. 8;
FIG. 10 is an enlarged partial view taken at VI in FIG. 9;
FIG. 11 is an exploded view of a door body according to an embodiment of the present invention;
FIG. 12 is a partially enlarged view at VII in FIG. 11.
Reference numerals:
the hinge comprises a hinge base 10, a first mounting through hole 11, a limiting hole 12 and a second flange 13;
the hinge shaft 30, the thread structure 31 and the limiting part 32;
a disc spring 40;
a friction plate 50, a first inclined boss 51;
a lock nut 60;
an elastic washer 70;
the shell 80, the first folding edge 81, the second mounting through hole 811 and the positioning column 812;
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that if an orientation description is referred to, for example, the directions or positional relationships indicated by the upper, lower, front, rear, left, right, etc. are the directions or positional relationships shown on the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if there are several, greater than, less than, exceeding, above, below, within, etc., the terms, wherein several means are one or more, and several means are two or more, and greater than, less than, exceeding, etc. are understood as not including the number, and above, below, within, etc. are understood as including the number.
In the description of the present invention, if the terms first, second, etc. appear, they are only used for distinguishing technical features, but they are not to be interpreted as indicating or implying relative importance or implying that the number of the indicated technical features is indicated or that the precedence of the indicated technical features is implied.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 5, a hinge mechanism for a dishwasher according to an embodiment of the present invention includes a hinge base 10, a hinge arm 20, a disc spring 40, a friction plate 50, a lock nut 60, and an adjustment structure.
The hinge seat 10 is provided with a hinge shaft 30 which is linked with the hinge seat 10, the hinge arm 20 is rotationally connected with the hinge seat 10 through the hinge shaft 30, the disc spring 40 is sleeved on the hinge shaft 30 and clamped between the hinge arm 20 and the hinge seat 10, the friction plate 50 is sleeved on the hinge shaft 30 and linked with the hinge shaft 30, the friction plate 50 is clamped between the hinge arm 20 and the disc spring 40, the friction plate 50 is in friction fit with the hinge arm 20, one end of the hinge shaft 30 far away from the hinge seat 10 is provided with a thread structure 31, the lock nut 60 can be in thread connection with the hinge shaft 30 through the thread structure 31, the disc spring 40 and the friction plate 50 can be clamped between the hinge arm 20 and the hinge base 10 by the lock nut 60, the adjusting structure is arranged between the friction plate 50 and the hinge arm 20, and the adjusting structure can adjust the pressing force between the friction plate 50 and the hinge arm 20 when the hinge arm 20 rotates relative to the friction plate 50.
A locking force is provided by the locking nut 60, the friction plate 50 is in friction fit with the hinge arm 20 through the fit with the disc spring 40, and the pressing force between the friction plate 50 and the hinge arm 20 when the hinge arm 20 rotates relative to the friction plate 50 can be adjusted through the adjusting structure. In the process of opening the door body, namely when the hinge arm 20 and the hinge seat 10 are unfolded, the pressing force between the friction plate 50 and the hinge arm 20 is gradually reduced, so that the friction resistance between the friction plate 50 and the hinge arm 20 is gradually reduced, the door body is opened easily and labor-saving, the labor intensity of a user is reduced, and the experience feeling of the user is improved; in the process of closing the door body, namely when the hinge arm 20 and the hinge base 10 are folded, the pressing force between the friction plate 50 and the hinge arm 20 is increased progressively, so that the friction resistance between the friction plate 50 and the hinge arm 20 is increased progressively, the door body can hover at any angle in the closing process, and after the door body is closed, the increased friction resistance between the friction plate 50 and the hinge arm 20 is favorable for ensuring that the door body cannot be opened mistakenly in the working process of the dishwasher; and need not to use tension spring, reduced the occupation space of hinge mechanism, be favorable to reducing the whole volume of dish washer, and simple structure is stable, long service life. It should be noted that the initial pressing force in the hinge mechanism can be adjusted by adjusting the tightness of the lock nut 60 and the number of the disc springs 40.
Referring to fig. 2 and 4, in some of these embodiments, the adjustment structure includes a first inclined boss 51 and a second inclined boss 21.
The first inclined convex part 51 is arranged on one surface of the friction plate 50 facing the hinge arm 20, the second inclined convex part 21 is arranged on one surface of the hinge arm 20 facing the friction plate 50, the inclined surface of the first inclined convex part 51 is in friction fit with the inclined surface of the second inclined convex part 21, and when the hinge arm 20 rotates relative to the friction plate 50, the pressing force between the inclined surface of the first inclined convex part 51 and the inclined surface of the second inclined convex part 21 can be increased or decreased gradually.
When the hinge arm 20 rotates relative to the friction plate 50, the overall width of the hinge arm 20 and the friction plate 50 in the axial direction of the hinge shaft 30 can be changed by the engagement between the first inclined protrusion 51 and the second inclined protrusion 21. In the process of opening the door body, the whole width of the hinge arm 20 and the friction plate 50 along the axial direction of the hinge shaft 30 is gradually reduced, and the pressing force applied to the disc spring 40 is gradually reduced, so that the pressing force between the inclined surface of the first inclined protrusion 51 and the inclined surface of the second inclined protrusion 21 is gradually reduced, and the friction resistance between the inclined surface of the first inclined protrusion 51 and the inclined surface of the second inclined protrusion 21 is gradually reduced; in the process of closing the door body, the overall width of the hinge arm 20 and the friction plate 50 in the axial direction of the hinge shaft 30 increases, and the pressing force applied to the disc spring 40 increases, so that the pressing force between the inclined surface of the first inclined protrusion 51 and the inclined surface of the second inclined protrusion 21 increases, and the frictional resistance between the inclined surface of the first inclined protrusion 51 and the inclined surface of the second inclined protrusion 21 increases.
It should be noted that, in some embodiments, the adjusting structure may also be a spiral protrusion disposed on a surface of the friction plate 50 facing the hinge arm 20, the surface of the hinge arm 20 facing the friction plate 50 is provided with a spiral guide groove corresponding to the protrusion, and the depth of the guide groove increases from shallow to deep, so that when the hinge arm 20 rotates relative to the friction plate 50, the overall width of the hinge arm 20 and the friction plate 50 along the axial direction of the hinge shaft 30 can be changed, thereby changing the pressing force applied to the disc spring 40, so as to increase or decrease the pressing force applied between the friction plate 50 and the hinge arm 20.
Referring to fig. 4, in some embodiments, two first inclined protrusions 51 and two second inclined protrusions 21 are provided, two first inclined protrusions 51 are arranged in a central symmetry manner, two second inclined protrusions 21 are arranged in a central symmetry manner, and the first inclined protrusions 51 and the second inclined protrusions 21 can cooperate with each other to limit the rotation angle of the hinge arm 20 relative to the friction plate 50. In the process of opening the door body, the first inclined protrusion 51 can gradually engage with the second inclined protrusion 21, so that the first inclined protrusion 51 and the second inclined protrusion 21 abut against each other to limit the opening angle of the door body. It should be noted that the centers of symmetry of the two first tilt projections 51 and the centers of symmetry of the two second tilt projections 21 are both located on the axis of the hinge shaft 30.
Referring to fig. 3 and 5, in some embodiments, the hinge shaft 30 and the hinge base 10 are a split structure, a first installation through hole 11 is formed in the hinge base 10, the hinge shaft 30 is inserted into the first installation through hole 11, a limiting portion 32 is formed at one end of the hinge shaft 30 close to the hinge base 10, and the hinge arm 20 is sleeved on the hinge shaft 30 and can rotate relative to the hinge shaft 30. And a split structure is adopted, so that the assembly and disassembly are convenient, and the maintenance is convenient.
It should be noted that, in some embodiments, the first mounting through hole 11 is a non-circular through hole, and the cross section of the hinge shaft 30 is matched in shape to realize the linkage between the hinge shaft 30 and the hinge base 10, and of course, the hinge shaft 30 may also be screwed to the hinge base 10 or integrally formed with the hinge base 10, which is not limited herein.
Referring to fig. 2 to 5, in some embodiments, elastic washers 70 are provided between the disc spring 40 and the hinge base 10 and between the lock nut 60 and the hinge arm 20. The locking nut 60 can be prevented from loosening in the opening and closing process of the door body, and the stability of the hinge mechanism in the working process can be improved.
Referring to fig. 6 to 12, a dishwasher according to an embodiment of the present invention includes a hinge mechanism for a dishwasher according to an embodiment of the present invention, and further includes a housing 80, an inner container (not shown in the drawings), and a door body 90.
The shell 80 is a cavity structure with an opening at the top, the hinge base 10 is fixedly connected to the shell 80, the inner container is a cavity structure with an opening at the top, the inner container is arranged in the shell 80, the door body 90 is arranged at the opening at the top of the shell 80, and the hinge arm 20 is fixedly connected to the door body 90.
A locking force is provided by the locking nut 60, the friction plate 50 is in friction fit with the hinge arm 20 through the fit with the disc spring 40, and the pressing force between the friction plate 50 and the hinge arm 20 when the hinge arm 20 rotates relative to the friction plate 50 can be adjusted through the adjusting structure. In the process of opening the door body, namely when the hinge arm 20 and the hinge seat 10 are unfolded, the pressing force between the friction plate 50 and the hinge arm 20 is gradually reduced, so that the friction resistance between the friction plate 50 and the hinge arm 20 is gradually reduced, the door body is opened easily and labor-saving, the labor intensity of a user is reduced, and the experience feeling of the user is improved; in the process of closing the door body, namely when the hinge arm 20 and the hinge base 10 are folded, the pressing force between the friction plate 50 and the hinge arm 20 is increased progressively, so that the friction resistance between the friction plate 50 and the hinge arm 20 is increased progressively, the door body can hover at any angle in the closing process, and after the door body is closed, the increased friction resistance between the friction plate 50 and the hinge arm 20 is favorable for ensuring that the door body cannot be opened mistakenly in the working process of the dishwasher; and need not to use tension spring, reduced the occupation space of hinge mechanism, be favorable to reducing the whole volume of dish washer, and simple structure is stable, long service life.
Referring to fig. 1 and 3 and 6 to 10, in some embodiments, the hinge base 10 is a U-shaped structure, a first folding edge 81 is inwardly disposed on an upper portion of an inner side wall of the housing 80, a second mounting through hole 811 is disposed on the first folding edge 81, an end of a U-shaped opening of the hinge base 10 is inserted into the second mounting through hole 811, the hinge arm 20 is connected to the end of the U-shaped opening of the hinge base 10, and a bottom of the hinge base 10 is connected to the first folding edge 81 by a screw. The hinge seat 10 is arranged in the shell 80, the space between the shell 80 and the inner container is fully utilized, the hinge seat 10 is protected, the hinge seat 10 is prevented from being deformed due to external force in the transportation process or being corroded due to water contact in the use process, the hinge seat 10 is not exposed, and the experience of a user is improved.
Referring to fig. 9 and 10, in some embodiments, the first folding edge 81 is provided with a positioning pillar 812 extending downward, and the hinge base 10 is provided with a limiting hole 12 corresponding to the positioning pillar 812. During the process of installing the hinge base 10, the hinge base 10 is positioned by the cooperation between the positioning column 812 and the limiting hole 12, so as to facilitate alignment when installing the screw.
Referring to fig. 1 and 3 and 6 to 10, in some embodiments, the hinge base 10 is provided with a second flange 13 facing downward, the second flange 13 is sandwiched between an outer side wall of the inner container and an inner side wall of the outer shell 80, and the inner container, the second flange 13 and the outer shell 80 are connected by screws. The fixation of the hinge base 10 can be further strengthened, which is beneficial to improving the stability of the hinge mechanism in the working process.
Referring to fig. 11 and 12, in some embodiments, the door body 90 includes an upper cover 91 and a lower cover 92, the lower cover 92 is provided with an avoiding opening 921, a portion of an end of the U-shaped opening of the hinge base 10, which extends out of the second mounting through hole 811, is inserted into the avoiding opening 921, and the hinge arm 20 is clamped between the upper cover 91 and the lower cover 92, and the hinge arm 20 and the lower cover 92 are connected by a screw. Through place hinge arm 20 in between upper cover 91 and the lower cover 92 in, play the guard action to hinge arm 20, be favorable to avoiding hinge arm 20 to take place to warp or take place to corrode at the in-process contact water that uses because of external force in the transportation for hinge arm 20 does not expose, is favorable to promoting user's experience and feels.
In the description of the present specification, if reference is made to the description of "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", and "some examples", etc., it is intended that a particular feature, structure, material, or characteristic described in connection with the embodiment or example be included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A hinge mechanism for a dishwasher, comprising:
a hinge base (10);
the hinge arm (20) is arranged on the hinge seat (10) and is linked with the hinge seat (10) through a hinge shaft (30), and the hinge arm (20) is rotatably connected to the hinge seat (10) through the hinge shaft (30);
the disc spring (40) is sleeved on the hinge shaft (30) and clamped between the hinge arm (20) and the hinge seat (10);
the friction plate (50) is sleeved on the hinge shaft (30) and is linked with the hinge shaft (30), the friction plate (50) is clamped between the hinge arm (20) and the disc spring (40), and the friction plate (50) is in friction fit with the hinge arm (20);
the locking nut (60), one end of the hinge shaft (30) far away from the hinge seat (10) is provided with a thread structure (31), the locking nut (60) can be in threaded connection with the hinge shaft (30) through the thread structure (31), and the locking nut (60) can enable the disc spring (40) and the friction plate (50) to be clamped between the hinge arm (20) and the hinge seat (10);
the adjusting structure is arranged between the friction plate (50) and the hinge arm (20), and can adjust the pressing force between the friction plate (50) and the hinge arm (20) when the hinge arm (20) rotates relative to the friction plate (50).
2. A hinge mechanism for a dishwasher according to claim 1, wherein the adjustment structure comprises:
a first inclined protrusion (51) provided on a surface of the friction plate (50) facing the hinge arm (20);
a second inclined protrusion (21) provided on a surface of the hinge arm (20) facing the friction plate (50), wherein an inclined surface of the first inclined protrusion (51) is in friction fit with an inclined surface of the second inclined protrusion (21);
when the hinge arm (20) rotates relative to the friction plate (50), the pressing force between the inclined surface of the first inclined protrusion part (51) and the inclined surface of the second inclined protrusion part (21) can be increased or decreased gradually.
3. A hinge mechanism for a dishwasher according to claim 2, wherein there are two first oblique protrusions (51) and two second oblique protrusions (21), two first oblique protrusions (51) being arranged centrosymmetrically and two second oblique protrusions (21) being arranged centrosymmetrically, the first oblique protrusions (51) and the second oblique protrusions (21) being able to cooperate with each other to limit the angle of rotation of the hinge arm (20) relative to the friction plate (50).
4. The hinge mechanism for the dishwasher according to claim 1, wherein the hinge shaft (30) and the hinge base (10) are of a split structure, the hinge base (10) is provided with a first mounting through hole (11), the hinge shaft (30) is arranged in the first mounting through hole (11) in a penetrating manner, a limiting portion (32) is arranged at one end of the hinge shaft (30) close to the hinge base (10), and the hinge arm (20) is sleeved on the hinge shaft (30) and can rotate relative to the hinge shaft (30).
5. Hinge mechanism for a dishwasher according to claim 1, characterized in that elastic washers (70) are provided both between the dish spring (40) and the hinge seat (10) and between the lock nut (60) and the hinge arm (20).
6. A dishwasher including a hinge mechanism for a dishwasher according to any one of claims 1 to 5, further comprising:
the shell (80) is of a cavity structure with an opening at the top, and the hinge seat (10) is fixedly connected to the shell (80);
the inner container is of a cavity structure with an opening at the top, and is arranged in the shell (80);
the door body (90) is arranged at the opening at the top of the shell (80), and the hinge arm (20) is fixedly connected to the door body (90).
7. The dishwasher of claim 6, characterized in that the hinge base (10) is of a U-shaped structure, the inner side wall of the housing (80) is provided with a first flange (81) at the upper part thereof, the first flange (81) is provided with a second mounting through hole (811), the end of the U-shaped opening of the hinge base (10) is inserted into the second mounting through hole (811), the hinge arm (20) is connected to the end of the U-shaped opening of the hinge base (10), and the bottom of the hinge base (10) is connected with the first flange (81) through a screw.
8. The dishwasher of claim 7, characterized in that the first folding edge (81) is provided with a positioning post (812) in an upward and downward direction, and the hinge base (10) is provided with a limiting hole (12) corresponding to the positioning post (812).
9. The dishwasher of claim 7, characterized in that the bottom of the hinge base (10) is provided with a second folded edge (13) downwards, the second folded edge (13) is clamped between the outer side wall of the inner container and the inner side wall of the outer casing (80), and the inner container, the second folded edge (13) and the outer casing (80) are connected by screws.
10. The dishwasher of claim 7, wherein the door body (90) comprises an upper cover (91) and a lower cover (92), the lower cover (92) is provided with an avoiding opening (921), the portion of the end of the U-shaped opening of the hinge seat (10) extending out of the second mounting through hole (811) penetrates through the avoiding opening (921) and enables the hinge arm (20) to be clamped between the upper cover (91) and the lower cover (92), and the hinge arm (20) is connected with the lower cover (92) through a screw.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921702822.9U CN211213022U (en) | 2019-10-11 | 2019-10-11 | Hinge mechanism for dish washing machine and dish washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921702822.9U CN211213022U (en) | 2019-10-11 | 2019-10-11 | Hinge mechanism for dish washing machine and dish washing machine |
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| Publication Number | Publication Date |
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| CN211213022U true CN211213022U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921702822.9U Active CN211213022U (en) | 2019-10-11 | 2019-10-11 | Hinge mechanism for dish washing machine and dish washing machine |
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| Country | Link |
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| CN (1) | CN211213022U (en) |
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