CN218438874U - Hinge and cooking utensil - Google Patents

Abstract

The utility model discloses a hinge and cooking utensil, this hinge includes the shell, the door hook, adjusting part and elastic component, the shell is used for being connected with mounted position's first structure, the door hook sets up on the shell with rotatable mode and is used for being connected with mounted position's second structure, the door hook has open mode and closed condition, adjusting part includes regulating part and movable piece, the regulating part is connected on the shell with mobilizable mode, movable piece is connected with the regulating part, move to the direction that is close to or keeps away from the door hook with the drive regulating part, the one end and the regulating part of elastic component are connected, the resilience force of elastic component orders about the door hook through the other end and has the trend to the closed condition switching. When the hinge is used in cooking utensil, the shell of hinge is fixed on the door body, and the door hook of hinge is connected on the front bezel, adjusts the regulating part, and the relative door hook of movable part removes and drives the elastic component extension or shorten to adjust the resilience force, thereby can adapt to the installation demand of the door body of different specifications.

Description

Hinge and cooking utensil

Technical Field

The invention relates to the technical field of household appliances, in particular to a hinge and a cooking appliance.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

A cooking appliance generally includes a door body and a body having a cooking cavity, and the door body is mounted on the body through a hinge to open or close the cooking cavity. In order to meet the use requirements of users, the existing hinge has a hovering function, namely the hinge can keep the opening posture of a door body.

Taking a large oven as an example, an existing large oven is generally a downward-turning type door opening structure, and a hinge needs to overcome a component force of a door body in a vertical direction to suspend the door body, but the door bodies of large ovens with different specifications have different weights and need to be correspondingly provided with hinges with different specifications, so that the universality of the hinge is poor.

Disclosure of Invention

The object of the present invention is to at least solve the problem of how to improve the versatility of the hinge. The purpose is realized by the following technical scheme:

a first aspect of the invention proposes a hinge comprising:

a housing for connection with a first structural member in an installed position;

a door hook rotatably disposed on the housing and adapted to be coupled to a second structural member of the mounting location, the door hook having an open state and a closed state;

the adjusting assembly comprises an adjusting piece and a movable piece, the adjusting piece is movably connected to the shell, and the movable piece is connected with the adjusting piece so as to drive the adjusting piece to move towards or away from the door hook;

one end of the elastic piece is connected with the adjusting piece, and the resilience force of the elastic piece drives the door hook to have a trend of switching to the closed state through the other end.

According to the hinge disclosed by the invention, when the hinge is particularly applied to a cooking appliance, the mounting position of the hinge is between the door body and the machine body of the cooking appliance, the first structural component is the door body, the second structural component is the front frame of the machine body, and the door body is of a downward-turning structure, wherein the shell of the hinge is fixed on the door body, the door hook of the hinge is connected on the front plate, the movable component moves relative to the door hook by adjusting the adjusting component, and the movable component drives the elastic component to extend or shorten in the moving process, so that the resilience of the elastic component is adjusted to adapt to the mounting requirements of the door bodies of different specifications, and the universality of the hinge is improved.

In addition, the hinge according to the invention can also have the following additional technical features:

in some embodiments of the present invention, the housing includes a mounting plate portion, a through hole is provided on the mounting plate portion, the movable member is located on a side of the mounting plate portion facing the door hook, and one end of the adjusting member passes through the through hole and is connected to the movable member.

In some embodiments of the invention, the adjustment assembly further comprises a connecting shaft mounted on the movable member, the connecting shaft slidably cooperating with the housing.

In some embodiments of the present invention, the housing is provided with a first long hole, the first long hole is disposed along a moving direction of the movable member, and the connecting shaft is inserted through the first long hole and can slide relative to the first long hole.

In some embodiments of the present invention, the adjusting member is a screw, and the movable member is provided with a threaded hole, and the screw is in threaded connection with the threaded hole.

In some embodiments of the present invention, the hinge further includes a connecting member disposed in the housing and capable of moving relative to the housing, and the other end of the elastic member is connected to the door hook through the connecting member.

In some embodiments of the invention, the hinge further comprises a friction assembly comprising:

the first friction piece is fixedly connected to the connecting piece;

the second friction piece is arranged on the shell, at least part of the body of the first friction piece is abutted against the second friction piece, and the friction force between the first friction piece and the second friction piece is adjustable.

In some embodiments of the present invention, the friction assembly further includes a mounting seat, the mounting seat is fixed to the connecting member, the first friction member is mounted on the mounting seat, and a friction portion of the first friction member extends to an outer side of the connecting member through a through hole in the connecting member, the second friction member is mounted on a side surface of the housing facing the connecting member, and the second friction member is disposed corresponding to the through hole, and the friction portion is in friction fit with a friction surface of the second friction member.

In some embodiments of the present invention, the friction surface is a slope structure, and a side of the friction surface close to the door hook is closer to the connecting member than a side of the friction surface close to the elastic member;

and/or the number of the first friction pieces is two, the two first friction pieces are positioned on two opposite sides of the connecting piece, the number of the second friction pieces is consistent with that of the first friction pieces, and each first friction piece is arranged corresponding to one second friction piece.

In some embodiments of the present invention, the hinge further comprises a thrust-back assembly, the thrust-back assembly being mounted on the housing, the thrust-back assembly cooperating with the door hook, the thrust-back assembly being configured to urge the door hook to have a tendency to switch to the closed state when the door hook is smaller than a predetermined opening angle.

In some embodiments of the invention, the thrust reverser assembly comprises:

a link including a lever portion movably mounted on the holder of the housing and a mounting portion disposed adjacent to the door hook;

the rotating shaft is arranged on the mounting part and penetrates through a second long hole of the shell, and the second long hole is arranged along the moving direction of the rod body part;

the elastic element is respectively abutted with the mounting part and the retainer;

the roller is rotatably arranged on the rotating shaft, and the resilience force of the elastic element drives the roller to abut against the cam surface of the door hook.

A second aspect of the present invention provides a cooking appliance, comprising:

a door body;

a body provided with a cooking cavity having an open end;

according to the hinge of the first aspect of the present invention, the outer shell of the hinge is mounted on the door body, the door hook of the hinge is engaged with the front plate of the machine body, and the door body can pivot relative to the machine body to open or close the open end of the cooking cavity.

According to the cooking appliance, the installation position of the hinge is between the door body and the machine body of the cooking appliance, the first structural component is the door body, the second structural component is the front frame of the machine body, and the door body is of a downward-turning structure, wherein the shell of the hinge is fixed on the door body, the door hook of the hinge is connected to the front plate, the movable component moves relative to the door hook by adjusting the adjusting component, and the movable component drives the elastic component to extend or shorten in the moving process, so that the resilience of the elastic component is adjusted to adapt to the installation requirements of the door bodies of different specifications, and the universality of the hinge is improved.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated with like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows a partial structure diagram of a cooking appliance according to an embodiment of the present invention (in the drawing, a partial structure of a machine body is shown, and a door body is in an open state);

FIG. 2 is a schematic structural view of a hinge of the cooker shown in FIG. 1;

FIG. 3 is a schematic view of the hinge shown in FIG. 2 from a second perspective;

FIG. 4 is a schematic view of a portion of the hinge shown in FIG. 3;

FIG. 5 is a partial schematic structural view of the hinge shown in FIG. 3;

FIG. 6 is a schematic structural view of a connector of the hinge shown in FIG. 6;

FIG. 7 is a schematic structural view of a mounting seat of the friction pack shown in FIG. 6;

FIG. 8 is a schematic view of a first friction member of the friction pack shown in FIG. 6;

FIG. 9 is a schematic structural view of a second friction member of the friction pack shown in FIG. 6;

FIG. 10 is a partial schematic structural view of the hinge shown in FIG. 3;

FIG. 11 is a schematic structural view of the housing shown in FIG. 10;

fig. 12 is a partial schematic view of the structure shown in fig. 10.

The reference numbers are as follows:

100 is a cooking utensil;

10 is a door body;

20 is a machine body;

21 is a front plate;

30 is a hinge;

31 is a shell;

311 is a first long hole, 312 is a third long hole, 313 is a second long hole, 314 is a holder, and 315 is a housing groove;

32 is a door hook;

33 is an adjusting component;

331 is an adjusting piece, 332 is a movable piece, and 333 is a connecting shaft;

34 is a reverse thrust component;

341 is a connecting rod, 3411 is a rod body part, 3412 is a mounting part, 342 is a rotating shaft, 343 is an elastic element, and 344 is a roller;

35 is an elastic member;

36 is a connecting piece;

361 is a through hole, 362 is a first shaft portion, 363 is a second shaft portion, and 364 is a first positioning hole;

37 is a pin shaft;

38 is a friction assembly;

381 is a first friction member, 3811 is a friction end, 3812 is a second positioning hole, 382 is a second friction member, 3821 is a friction surface, 383 is a mounting seat, 3831 is a first protrusion, and 3832 is a second protrusion.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "in 8230 \8230; below" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 12, according to an embodiment of the present invention, a hinge 30 is provided, the hinge 30 includes a housing 31, a door hook 32, an adjusting member 33, and an elastic member 35, wherein the door hook 32 is rotatably connected to one end of the housing 31 and has a closed state and an open state, the adjusting member 33 is located at the other end of the housing 31, wherein an adjusting member 331 of the adjusting member 33 is mounted on the housing 31 and is movable relative to the housing 31, a movable member 332 is located in the housing 31 and between the adjusting member 331 and the door hook 32, the adjusting member 331 is connected to the movable member 332, the adjusting member 331 can be driven to move in a direction away from or close to the door hook 32 by the movement of the adjusting member 331 relative to the housing 31, one end of the elastic member 35 is connected to the movable member 332, and the other end of the elastic member 35 provides a resilient force to the door hook 32, so that the door hook 32 has an actuation of switching to the closed state.

Specifically, when the hinge 30 is specifically applied to the cooking appliance 100, the installation position of the hinge 30 is between the door 10 and the body 20 of the cooking appliance 100, the first structural member is the door 10, the second structural member is the front frame of the body 20, and the door 10 is a downward-turning structure, wherein the shell 31 of the hinge 30 is fixed on the door 10, the door hook 32 of the hinge 30 is connected on the front plate 21, the movable member 332 moves relative to the door hook 32 by adjusting the adjusting member 331, and the movable member 332 drives the elastic member 35 to extend or shorten in the moving process, so that the resilience of the elastic member 35 is adjusted to meet the installation requirements of the door 10 of different specifications, and the universality of the hinge 30 is improved.

It should be understood that the elastic member 35 is in a stretched state after the installation is completed, that is, the elastic member 35 is in a stretched state no matter the door hook 32 is in the open state or in the closed state, and the elastic member 35 in the stretched state can provide a resilience force to the door hook 32, and has an urging force to rotate from the open state to the closed state under the resilience force.

In addition, as shown in fig. 3 and 4, the movable member 332 is disposed between the door hook 32 and the adjusting member 331, one end of the elastic member 35 is connected to the adjusting member 331, and the other end of the elastic member 35 is connected to the door hook 32 in a transmission manner, and the adjusting member 331 is used to drive the movable member 332 to move to change the expansion and contraction amount of the elastic member 35, so as to change the resilience of the elastic member 35, thereby meeting the installation requirements of the door bodies 10 of different specifications.

As shown in fig. 1, when the hinge 30 is used in a cooking appliance 100 with a downward-turning door 10, the bottom of the door 10 is hinged to the machine body 20 through the hinge 30, the top (the side corresponding to the bottom) of the door 10 is a free end of the door 10 for opening or closing, the shell 31 of the hinge 30 is mounted on the door 10, the door hook 32 of the hinge 30 is connected to the front plate 21 of the machine body 20 (the opening of the cooking cavity on the machine body 20 is also opened on the front plate 21), the cooking cavity is opened by downward turning of the door 10, and the cooking cavity is closed by upward turning of the door 10, wherein the hinge 30 is in a closed state of the hinge 30 when the door 10 closes the cooking cavity, and the hinge 30 is in an open state of the hinge 30 when the door 10 opens the cooking cavity.

In the embodiment of the present invention, the resilience of the elastic member 35 is set to drive the door hook 32 to switch from the open state to the closed state, so that when a user performs a door closing operation on the door body 10, the external force generated during the door closing operation can be reduced, the convenience of the door closing operation is improved, and the use experience of the user is improved.

It should be noted that the outer shell 31 is provided with a connecting structure, such as a mounting hole, through which a fastener, such as a screw, is inserted to connect and fix the outer shell 31 of the hinge 30 to the door 10 when the hinge 30 is used in the cooking appliance 100, and the door hook 32 is inserted through the front plate 21 of the machine body 20 and snap-fitted with the front plate 21.

It is further understood that, as shown in fig. 2 to 4, a mounting plate portion having a through hole is provided at an end portion of the housing 31, the door hook 32 is rotatably mounted at an end of the housing 31 facing away from the mounting plate portion, the movable member 332 is provided at a side of the mounting plate portion facing the door hook 32, the regulating member 331 is connected to the movable member 332 through the through hole, and a part of a body of the regulating member 331 is located at a side of the mounting plate portion facing away from the movable member 332.

Specifically, when the resilience of the elastic member 35 needs to be adjusted to meet the installation requirements of the door bodies 10 of different specifications, the driving adjusting member 331 moves relative to the installation plate portion, so that the movable member 332 moves relative to the housing 31, and the movable member 332 drives the elastic member 35 connected with the movable member to extend or shorten in the moving process, so as to adjust the resilience of the elastic member 35, and further meet the installation requirements of the door bodies 10 of different specifications, so that the universality of the hinge 30 is improved.

It should be noted that the mounting plate portion may be a part of the structure of the housing 31, or may be a separate component mounted on the housing 31, in the embodiment of the present invention, the mounting plate portion and the housing 31 are integrated, that is, the mounting plate portion and the housing 31 are processed and manufactured in the process of manufacturing the housing 31 in synchronization with each other, so as to reduce the mounting steps of the mounting plate portion, and at the same time, ensure the connection strength and stability between the mounting plate portion and the housing 31.

In some embodiments of the present invention, one end of the elastic member 35 is directly connected to the movable member 332, so that the movable member 332 moves relative to the housing 31 to drive the elastic member 35 to extend or shorten.

In some embodiments of the present invention, as shown in fig. 3, 4 and 11, the adjusting assembly 33 further includes a connecting shaft 333 mounted on the movable member 332, the connecting shaft 333 slidably cooperating with the housing 31. Specifically, the housing 31 is a strip structure, the housing 31 is a groove structure, the movable element 332 and the elastic element 35 are both disposed in the groove structure, the connecting shaft 333 is fixedly mounted on the movable element 332, the connecting shaft 333 is in sliding fit with a side wall of the groove structure, one end of the elastic element 35 is connected with the connecting shaft 333, and by providing the connecting shaft 333 and adjusting a connecting position between the elastic element 35 and the connecting shaft 333, a moving direction of the movable element 332 is prevented from changing due to unbalance loading between the elastic element 35 and the movable element 332, so as to ensure a driving effect on the elastic element 35, and in addition, by sliding fit of the connecting shaft 333 and the housing 31, the housing 31 guides the connecting shaft 333 to further ensure a moving direction of the movable base, so as to ensure a driving effect on the elastic element 35.

In some embodiments of the present invention, there are two sliding grooves on (inside) the side walls of the groove-like structure, the sliding grooves are in the same direction as the moving direction of the movable element 332, the end of the connecting shaft 333 is disposed in the sliding grooves and can move relative to the sliding grooves, two sliding grooves are disposed on two side walls of the groove-like structure, and two ends of the connecting shaft 333 are in sliding fit with the two sliding grooves, so as to further improve the guiding performance of the movable element 332.

In some embodiments of the present invention, as shown in fig. 3, fig. 4, and fig. 11, a first long hole 311 extending along the moving direction of the movable element 332 is formed in the housing 31, an end portion of the connecting shaft 333 is disposed through the first long hole 311, the connecting shaft 333 can slide along the length direction of the long hole, the connecting shaft 333 is engaged with the first long hole 311, and the connecting shaft 333 is guided by the first long hole 311 to guide the moving direction of the movable element 332, so that the first long hole 311 has a simple structure and is convenient to assemble.

It should be noted that the number of the first long holes 311 is two, and the two first long holes 311 are respectively opened on two oppositely disposed side walls of the slot-shaped structure, and two end portions of the connecting shaft 333 are respectively disposed through the two first long holes 311, so that by providing the two first long holes 311, the guiding precision of the movable member 332 is further improved, the directivity of the movable member 332 is ensured, and the driving effect of the elastic member 35 is further ensured.

In this use neotype some embodiments, regulating part 331 is the telescoping cylinder, the cylinder body setting of this telescoping cylinder is on the installation board, the jar pole and the movable part 332 piece of telescoping cylinder are connected, when the resilience force of needs regulation elastic component 35 is in order to satisfy the installation of the door body 10 of different specifications, the drive telescoping cylinder, make the jar pole stretch out or retract, utilize stretching out or retracting of jar pole to drive movable part 332 and remove, movable part 332 drives the elastic component 35 extension or shorten rather than being connected at the in-process that removes, in order to realize the regulation to the resilience force of elastic component 35, and then satisfy the installation demand of the different specification door bodies 10, make hinge 30's commonality obtain the improvement. The telescopic cylinder is convenient to operate in the mode of adjusting the movable piece 332, and the transfer efficiency is effectively improved.

It should be noted that the telescopic cylinder may be an electric cylinder, a hydraulic cylinder, a pneumatic cylinder, or the like.

In some embodiments of the present invention, a threaded hole is opened on one side of the movable member 332 close to the adjusting member 331, and the adjusting member 331 is configured as a screw, a threaded section of the screw passes through the through hole of the mounting plate portion and is then in threaded connection with the threaded hole, and an end of the screw is located on one side of the mounting plate portion away from the movable member 332.

Specifically, when the resilience force of the elastic part 35 needs to be adjusted to meet the installation requirements of the door bodies 10 of different specifications, the end of the screw is driven, so that the screw rotates relative to the installation plate, in the process of screw rotation, the screw is screwed in or out relative to the threaded hole, so that the relative installation plate is movable, so that the movable part 332 moves relative to the shell 31, the movable part 332 drives the elastic part 35 connected with the movable part to extend or shorten in the moving process, so as to realize the adjustment of the resilience force of the elastic part 35, and further meet the installation requirements of the door bodies 10 of different specifications, so that the universality of the hinge 30 is improved. The screw and the movable piece 332 are in threaded fit, so that the structure is simple, and the manufacturing cost of the hinge 30 is effectively reduced.

It should be understood that the movable member 332 is engaged with the first long hole 311 of the housing 31 through the connecting shaft 333, when the screw rotates relative to the threaded hole of the movable member 332, the first long hole 311 limits the connecting shaft 333 so that the movable member 332 does not rotate synchronously with the screw, thereby ensuring that the screw can be screwed in and out relative to the threaded hole.

Further, as shown in fig. 3 and 4, the hinge 30 further includes a coupling member 36 disposed inside the housing 31, the coupling member 36 being used to couple the elastic member 35 and the door hook 32.

Specifically, the connecting member 36 is disposed inside the housing 31 and can move relative to the housing, one end of the connecting member 36 is connected to the elastic member 35, and the other end of the connecting member 36 is connected to the door hook 32, so that the length of the elastic member 35 can be reduced by disposing the connecting member 36, and the manufacturing cost of the hinge 30 is reduced.

It should be noted that, the two ends of the connecting element 36 are respectively provided with a first shaft 362 and a second shaft 363, wherein the connecting element 36 is rotatably connected with the door hook 32 through the second shaft 363, the door hook 32 is rotatably connected with the housing 31 through the pin 37, and the second shaft 363 is arranged between the pin 37 and the hook portion of the door hook 32, and the structure is arranged to drive the door hook 32 to have the driving to switch to the closing state through the resilience of the elastic element 35 and the connecting element 36.

As shown in fig. 3 and 11, the third long holes 312 are respectively formed in two side walls of the housing 31 having a groove-like structure, the two third long holes 312 are correspondingly formed, the two third long holes 312 are both formed along the moving direction of the link 36, the link 36 is provided with a first shaft portion 362, both ends of the first shaft portion 362 are respectively inserted into the two third long holes 312, the first shaft portion 362 is slidable with respect to the two third long holes 312, one end of the elastic member 35 remote from the movable member 332 is connected to the first shaft portion 362, when the state of the door hook 32 is switched, the link 36 moves with the state of the door hook 32 with respect to the housing 31, and the guide of the moving direction of the link 36 is ensured by the engagement between the first shaft portion 362 and the third long holes 312, thereby ensuring the driving effect of the door hook 32.

Furthermore, the utility model discloses in, elastic component 35 can be extension spring or flexure strip, as a specific implementation mode, the utility model discloses in, as shown in FIG. 4, elastic component 35 is the extension spring, and the dress is hung to the one end of extension spring on connecting axle 333, and the dress is hung to the other end of extension spring on first axial region 362, the simple structure of extension spring, the installation of being convenient for, the resilience force of extension spring is stable simultaneously, can guarantee the drive effect to door hook 32.

Further, as shown in fig. 5, in the present invention, the hinge 30 further includes a friction component 38, the friction component 38 includes two friction members, namely a first friction member 381 and a second friction member 382, wherein the first friction member 381 is disposed on the connecting member 36, the second friction member 382 is disposed on the housing 31, and after the hinge 30 is assembled, the second friction member 382 abuts against at least a part of the body of the first friction member 381.

Specifically, the connecting piece 36 is matched with the outer shell 31 through the first friction piece 381 and the second friction piece 382, in the process that the door hook 32 rotates relative to the outer shell 31, the connecting piece 36 moves relative to the outer shell 31, at this time, the first friction piece 381 and the second friction piece 382 generate friction, the friction generated between the first friction piece 381 and the second friction piece 382 provides damping for opening of the door body 10, when the door body 10 is opened to a required position, when the resilience force of the elastic piece 35 of the hinge 30 and the friction force provided by the friction assembly 38 keep balance with the gravity component force of the door body 10 in the vertical direction, the door body 10 can realize hovering, and further the use requirement of a user is met.

It should be understood that, by changing the friction force between the first friction member 381 and the second friction member 382, the hovering requirement of door bodies 10 with different specifications is met, and the versatility of the hinge 30 is further improved.

Further, as shown in fig. 5, the friction assembly 38 further includes a mounting seat 383, the connecting member 36 is of a groove-shaped structure, the mounting seat 383 is fixed in the groove-shaped structure, the first friction member 381 is mounted on the mounting seat 383, the second friction member 382 is mounted on the side wall of the housing 31, and the friction end 3811 of the first friction member 381 passes through the through hole 361 of the connecting member 36 and abuts against the second friction member 382.

Specifically, as shown in fig. 5 to 9, one side of the second friction member 382 facing the first friction member 381 is a friction surface 3821, a friction end 3811 of the first friction member 381 abuts against the friction surface 3821, when the connecting member 36 moves relative to the outer shell 31, the connecting member 36 drives the first friction member 381 to move synchronously through the mounting seat 383, when the first friction member 381 moves, a friction force is generated between the first friction member 381 and the friction surface 3821, the friction force is used to provide damping for the rotation process of the door body 10, and the friction force is matched with the elastic member 35 to suspend the door body 10.

It should be noted that, as shown in fig. 6 and 7, a first positioning hole 364 is provided on the connecting member 36, a first protrusion 3831 is provided on the mounting seat 383, and when the mounting seat 383 is mounted, the mounting seat 383 is provided in the connecting member 36, and the first protrusion 3831 is inserted into the first positioning hole 364, and the mounting seat 383 is fixed to the connecting member 36 by a screw.

As shown in fig. 7 and 8, the mounting seat 383 is further provided with a second protrusion 3832, the first friction member 381 is provided with a second positioning hole 3812, and when the first friction member 381 is connected to the mounting seat 383, the second protrusion 3832 is inserted into the second positioning hole 3812, and the first friction member 381 is connected to the mounting seat 383 by a screw (a screw with rubber to finely adjust the mounting position and the frictional force).

Further, as shown in fig. 10, a housing groove 315 (a side facing the connection member 36) is provided in the housing 31, and a second friction member 382 is provided in the housing groove 315 and is fixed to the housing 31 by a screw (a screw with rubber to perform fine adjustment of the mounting position and the frictional force).

Further, as shown in fig. 9, friction surface 3821 has a slope structure, and a side of friction surface 3821 closer to door hook 32 is closer to connecting member 36 than a side of friction surface 3821 closer to elastic member 35.

Specifically, when the door hook 32 is switched between states, the engagement position of the friction end 3811 of the first friction member 381 and the friction surface 3821 is changed, the friction surface 3821 has a side close to the door hook 32 and a side close to the elastic member 35, when the door hook 32 is in the open state, the friction end 3811 and the side of the friction surface 3821 close to the door hook 32 are engaged, when the door hook 32 is in the closed state, the friction end 3811 and the side of the friction surface 3821 close to the elastic member 35 are engaged, and by setting the side of the friction surface 3821 close to the door hook 32 to be closer to the connecting member 36 than the side of the friction surface 3821 close to the elastic member 35, the friction force is gradually increased during the switching between the open state and the closed state of the door hook 32, so that the rebound force of the elastic member 35 of the hinge 30 and the friction force are balanced with the gravity component force of the door 10 in the vertical direction, the door 10 is suspended, and the use requirement of the user is met.

Further, as shown in fig. 5, the number of the first friction members 381 and the number of the second friction members 382 are two, wherein the two first friction members 381 are disposed on two opposite sides of the connecting member 36, and one second friction member 382 is correspondingly disposed on each first friction member 381, so that the two first friction members 381 and the two second friction members 382 are disposed, so that the two opposite sides of the connecting member 36 are uniformly stressed, and the connecting member 36 is prevented from being biased and being jammed.

Further, the utility model discloses in, hinge 30 is still including installing the backstepping subassembly 34 on shell 31, and this backstepping subassembly 34 cooperates with door hook 32 and provides the backstepping force for door hook 32, utilizes the backstepping force to order about the door body 10 that is in opening and closes (the opening angle of the door body 10 is less than and predetermines the opening angle).

It should be understood that, when the opening angle of the door 10 is smaller than the preset opening angle, the door 10 can be quickly closed (a certain pressure is provided between the door 10 and the front plate 21 to prevent leakage between the door 10 and the front plate 21) under the action of a counter-thrust when the external force is removed (the driving force when the user opens the door).

It should be noted that in the embodiment of the present invention, the preset opening angle may be 1 °,3 °, 4 °, 5 °, 6 ° \8230, and the specific values of the preset angle are not listed herein.

Further, as shown in fig. 10 to 12, the thrust reversing assembly 34 includes a connecting rod 341, a rotating shaft 342, an elastic element 343, and a roller 344, the connecting rod 341 includes a rod 3411 and a mounting portion 3412 disposed near the door hook 32, the rod 3411 is mounted on the holder 314 of the housing 31 and is movable relative to the holder, the housing 31 is provided with a second long hole 313, the second long hole 313 is disposed along a moving direction of the rod 3411, the rotating shaft 342 is fixedly mounted on the mounting portion 3412, the rotating shaft 342 is inserted into the second long hole 313, the elastic element 343 is respectively abutted against the holder 314 and the mounting portion 3412, the roller 344 is mounted on the rotating shaft 342 and is rotatable relative to the rotating shaft 342, and the roller 344 is abutted against the cam surface of the door hook 32 when a resilient force of the elastic element 343 is downward.

Specifically, the cam surface is disposed on a circumferential side of the door hook 32, when the opening angle of the door body 10 is smaller than the preset opening angle, the elastic element 343 is in a compressed state due to the position where the roller 344 cooperates with the cam surface, and at this time, when the external force (the driving force for opening the door by the user) is cancelled, the resilience of the elastic element 343 drives the door hook 32 to switch to the closed state through the mounting portion 3412 and the roller 344, so as to achieve automatic closing of the door body 10; when the opening angle of the door 10 is greater than or equal to the preset opening angle, the position where the roller 344 cooperates with the cam surface cannot make the elastic element 343 compress and deform or the amount of compression and deformation is small, at this time, when the external force (the driving force for opening the door by the user) is cancelled, the door 10 cannot be automatically closed, and the door 10 is suspended by cooperation of the elastic element 35 and the friction assembly 38.

The thrust reverser assembly 34 has a simple structure, and can realize automatic closing of the door 10 when the door 10 is at a small angle (the opening angle of the door 10 is smaller than a preset opening angle).

It should be noted that the elastic element 343 may be an elastic sheet or a compression spring, and in the embodiment of the present invention, the elastic element 343 is a compression spring, and the compression spring is sleeved on the rod 3411, and two ends of the compression spring respectively abut against the holder 314 and the mounting 3412.

As shown in fig. 1 to 12, the present invention also provides a cooking appliance 100, where the cooking appliance 100 includes a door body 10, a machine body 20, and a hinge 30, the machine body 20 is provided with a cooking cavity having an open end, a housing 31 of the hinge 30 is mounted on the door body 10, a door hook 32 of the hinge 30 is engaged with a front plate 21 of the machine body 20, and the door body 10 can pivot relative to the machine body 20 to open or close the open end of the cooking cavity.

According to the cooking appliance 100 of the present invention, the installation position of the hinge 30 is between the door 10 and the body 20 of the cooking appliance 100, the first structural member is the door 10, the second structural member is the front frame of the body 20, and the door 10 is a flip-down structure, wherein the housing 31 of the hinge 30 is fixed on the door 10, the door hook 32 of the hinge 30 is connected on the front plate 21, the movable member 332 moves relative to the door hook 32 by adjusting the adjusting member 331, and the movable member 332 drives the elastic member 35 to extend or shorten in the moving process, so as to adjust the resilience of the elastic member 35, so as to adapt to the installation requirements of the door 10 of different specifications, and improve the universality of the hinge 30.

In the present invention, the cooking appliance is a large oven or a whole box, and the structure of other parts of the cooking appliance refers to the prior art, and is not described herein again.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (12)

1. A hinge, characterized in that it comprises:

a housing for connection with a first structural member in an installed position;

a door hook rotatably disposed on the housing and adapted to be coupled to a second structural member of the mounting location, the door hook having an open state and a closed state;

the adjusting assembly comprises an adjusting piece and a movable piece, the adjusting piece is movably connected to the shell, and the movable piece is connected with the adjusting piece so as to drive the adjusting piece to move towards or away from the door hook;

one end of the elastic piece is connected with the adjusting piece, and the resilience force of the elastic piece drives the door hook to have a trend of switching to the closed state through the other end.

2. The hinge according to claim 1, wherein the housing includes a mounting plate portion having a through hole, the movable member is located on a side of the mounting plate portion facing the door hook, and one end of the adjustment member is connected to the movable member through the through hole.

3. The hinge of claim 2, wherein the adjustment assembly further comprises a connecting shaft mounted on the movable member, the connecting shaft slidably engaging the housing.

4. The hinge according to claim 3, wherein the housing is provided with a first long hole, the first long hole is provided along a moving direction of the movable member, and the connecting shaft is inserted through the first long hole and is slidable relative to the first long hole.

5. The hinge of claim 2, wherein the adjustment member is a screw, and wherein the movable member has a threaded bore, the screw being threadably coupled to the threaded bore.

6. The hinge of claim 1, further comprising a connector disposed in the housing and movable relative to the housing, wherein the other end of the elastic member is connected to the door hook through the connector.

7. The hinge of claim 6, further comprising a friction assembly, the friction assembly comprising:

the first friction piece is fixedly connected to the connecting piece;

the second friction piece is arranged on the shell, at least part of the body of the first friction piece is abutted against the second friction piece, and the friction force between the first friction piece and the second friction piece is adjustable.

8. The hinge according to claim 7, wherein the friction assembly further comprises a mounting seat, the mounting seat is fixed on the connecting member, the first friction member is mounted on the mounting seat, a friction portion of the first friction member extends to the outer side of the connecting member through a through hole on the connecting member, the second friction member is mounted on the side of the housing facing the connecting member, the second friction member is arranged corresponding to the through hole, and the friction portion is in friction fit with a friction surface of the second friction member.

9. The hinge according to claim 8, wherein said friction surface is a ramp structure, and a side of said friction surface closer to said door hook is closer to said connecting member than a side of said friction surface closer to said elastic member;

and/or the number of the first friction pieces is two, the two first friction pieces are positioned on two opposite sides of the connecting piece, the number of the second friction pieces is consistent with that of the first friction pieces, and each first friction piece is arranged corresponding to one second friction piece.

10. The hinge according to any one of claims 1 to 9, further comprising a thrust-back assembly mounted on the housing, the thrust-back assembly cooperating with the door hook for urging the door hook to have a tendency to switch to the closed state when the door hook is less than a preset opening angle.

11. The hinge of claim 10, wherein the thrust reverser assembly comprises:

a link including a lever portion movably mounted on the holder of the housing and a mounting portion disposed adjacent to the door hook;

the rotating shaft is arranged on the mounting part and penetrates through a second long hole of the shell, and the second long hole is arranged along the moving direction of the rod body part;

the elastic element is respectively abutted with the mounting part and the retainer;

the roller is rotatably arranged on the rotating shaft, and the resilience force of the elastic element drives the roller to abut against the cam surface of the door hook.

12. A cooking appliance, characterized in that it comprises:

a door body;

a body provided with a cooking cavity having an open end;

the hinge according to any one of claims 1 to 11, wherein the outer shell of the hinge is mounted on the door body, the door hook of the hinge is engaged with the front plate of the machine body, and the door body can pivot relative to the machine body to open or close the open end of the cooking cavity.

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