CN112144997A

CN112144997A - Hinge assembly and cooking utensil with same

Info

Publication number: CN112144997A
Application number: CN202011080168.XA
Authority: CN
Inventors: 董永军; 叶景生; 李明星
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2020-12-29

Abstract

The invention discloses a hinge assembly and a cooking appliance with the same, wherein the hinge assembly comprises: a first hinge base having a first hollow shaft; a second hinge base pivotably connected to the first hinge base and having a second hollow shaft coaxial with the first hollow shaft, the hinge assembly being configured to be lockable when the second hinge base is at a predetermined angle to the first hinge base; the hollow pivot shaft penetrates through the first hollow shaft and the second hollow shaft, is suitable for a wire harness to penetrate through and is provided with a first limiting part; the limiting piece is connected with the hollow pivot shaft through a fastening piece, and a second limiting part matched with the first limiting part is formed on the limiting piece; the reset piece is sleeved on the outer side of the fastener and connected with the limiting piece. The hinge assembly has the wire passing function and can adapt to the multi-mode scene operation. In addition, the hinge assembly can be integrated into a modular structure, and can be conveniently expanded to various devices requiring similar functions.

Description

Hinge assembly and cooking utensil with same

Technical Field

The invention relates to the technical field of kitchen appliances, in particular to a hinge assembly and a cooking appliance with the same.

Background

In the related art, with the progress of society and the development of technology, cooking tools are more and more diversified and more modern. The traditional open fire iron adding pot is not the only one in the kitchen, and more choices are provided, such as a novel cooking pot, an oven and the like, which are new favorite in modern living rooms.

The multifunctional cooking pot only has a cavity single-side heat source, does not have the shape and the function of an oven, and is similar to open-close type frying and baking equipment with a hinge, such as an electric baking pan, a fish roaster and other products, so that the multifunctional cooking pot has the advantages of better performance and experience; however, the solutions of the hinge of the related art are relatively rough in structure and relatively bulky in appearance.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to provide a hinge assembly that is slim in profile and simple in structure.

Another object of the present invention is to propose a cooking appliance comprising a hinge assembly as described above.

A hinge assembly according to an embodiment of the first aspect of the present invention includes: a first hinge base having a first hollow shaft; a second hinge base pivotably connected to the first hinge base, the second hinge base having a second hollow shaft coaxial with the first hollow shaft, the hinge assembly configured to be lockable when the second hinge base is at a predetermined angle to the first hinge base; the hollow pivot shaft penetrates through the first hollow shaft and the second hollow shaft, the hollow pivot shaft is suitable for a wiring harness to penetrate through, and a first limiting part is formed on the hollow pivot shaft; the limiting piece is connected with the hollow pivot shaft through a fastening piece, and a second limiting part matched with the first limiting part is formed on the limiting piece; the reset piece is sleeved on the outer side of the fastener and connected with the limiting piece.

According to the hinge assembly provided by the embodiment of the invention, a power line, a control line and the like of an overlarge power source can be arranged in the hollow pivot shaft, and the hinge assembly is convenient to assemble and disassemble; through the matching of the first limiting part and the second limiting part, the hinge assembly can be locked after the second hinge seat rotates relative to the first hinge seat by the preset angle. Therefore, the hinge assembly not only has the wire passing function, but also can adapt to the work of a multi-mode scene, and the diversified requirements of users are better met. In addition, the hinge assembly can be conveniently integrated into a modular structure and can be conveniently expanded to various devices requiring similar functions.

In addition, the hinge assembly according to the above embodiment of the present invention has the following additional technical features:

according to some embodiments of the invention, the first stopper portion is formed at one side end surface of the hollow pivot shaft adjacent to the stopper; the second limiting part is formed on one side of the limiting part adjacent to the hollow pivot shaft.

Further, the first stopper portion and the second stopper portion are configured as segments.

According to some embodiments of the present invention, a first protrusion is formed on the position-limiting member, a first fitting groove matched with the first protrusion is formed on the inner side of the first hollow shaft, and the first protrusion is slidably fitted in the first fitting groove; the inner side of the second hollow shaft is provided with a second bump extending along the axial direction of the second hollow shaft, and the hollow pivot shaft is provided with a second matching groove matched with the second bump.

Further, the second limiting part comprises an arc-shaped surface, and the first bump is formed on the outer surface of the arc-shaped surface.

According to some embodiments of the present invention, a first mounting hole is formed on the limiting member, a second mounting hole coaxial with the first mounting hole is formed on the hollow pivot shaft, and the fastening member is adapted to sequentially pass through the first mounting hole and the second mounting hole to connect the limiting member and the hollow pivot shaft.

According to some embodiments of the present invention, the fastening member is a half-thread screw, the retaining member is formed with a fixing ring, and the restoring member has one end connected to a head of the half-thread screw and the other end connected to the fixing ring.

According to some embodiments of the invention, the hinge assembly further comprises: an induction device disposed on one of the first hinge base and the second hinge base.

Further, the first hinge base comprises a first base hinge body, the second hinge base comprises a second base hinge body, and a fixing structure suitable for mounting the sensing device is formed on one of the first base hinge body and the second base hinge body.

Optionally, one of the first hinge base and the second hinge base is formed with a fitting hole corresponding to a trigger point of the sensing device, and the other is formed with a trigger portion for triggering the trigger point.

According to some embodiments of the invention, the hinge assembly further comprises: and the damping part is arranged between at least the hollow pivot shaft and the limiting part.

A cooking appliance according to an embodiment of the second aspect of the present invention includes: the hinge assembly is the hinge assembly; the first hinge seat is connected with the first cooking cavity; and the second hinge seat is connected with the second cooking cavity.

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 view of a hinge assembly according to an embodiment of the present invention in a first position;

FIG. 2 is another schematic view of a hinge assembly according to an embodiment of the present invention in a first position;

FIG. 3 is a cross-sectional view of a hinge assembly in a first position according to an embodiment of the present invention;

FIG. 4 is another cross-sectional view of a hinge assembly in a first position according to an embodiment of the present invention;

FIG. 5 is a schematic view of a hinge assembly according to an embodiment of the present invention in a second position;

FIG. 6 is another schematic view of the hinge assembly in a second position according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of a hinge assembly in a second position according to an embodiment of the present invention;

FIG. 8 is another cross-sectional view of the hinge assembly in a second position in accordance with an embodiment of the present invention;

FIG. 9 is a schematic view of a hinge assembly in a third position according to an embodiment of the present invention;

FIG. 10 is another schematic view of a hinge assembly in a third position according to an embodiment of the present invention;

FIG. 11 is a cross-sectional view of a hinge assembly in a third position according to an embodiment of the present invention;

FIG. 12 is another cross-sectional view of the hinge assembly in a third position according to an embodiment of the present invention;

FIG. 13 is an exploded view of the hinge assembly of FIG. 1 according to an embodiment of the present invention;

FIG. 14 is a perspective view of a first hinge base of the hinge assembly of FIG. 13 in accordance with an embodiment of the present invention;

FIG. 15 is a perspective view of a second hinge base of the hinge assembly of FIG. 13 in accordance with an embodiment of the present invention;

FIG. 16 is a perspective view of the pivot axis of the hinge assembly of FIG. 13 in accordance with an embodiment of the present invention;

FIG. 17 is a perspective view of a limiter in the hinge assembly of FIG. 13 according to an embodiment of the present invention;

fig. 18 is a perspective view of the cooking appliance of fig. 1 in accordance with the embodiment of the present invention, wherein the hinge assembly is in a first position;

FIG. 19 is another perspective view of the cooking appliance of FIG. 1 in accordance with the embodiment of the present invention, wherein the hinge assembly is in a second position;

fig. 20 is still another perspective view of the cooking appliance of fig. 1 in accordance with the embodiment of the present invention, wherein the hinge assembly is in a third position.

Reference numerals:

the hinge assembly 100 is provided with a hinge assembly 100,

a first hinge base 1, a first hollow shaft 11, a first matching groove 111, a first hinge base body 12, a fixing structure 121, a matching hole 13,

a second hinge base 2, a second hollow shaft 21, a second lug 211, a second hinge base body 22, a triggering part 23,

a hollow pivot shaft 3, a first limiting part 31, a second matching groove 32, a second mounting hole 33,

a limiting piece 4, a second limiting part 41, an arc surface 411, a first bump 42, a first mounting hole 43, a fixing ring 44,

fastener 5, half-thread screw 51, head 511,

the return piece (6) is arranged on the upper portion of the frame,

the sensing device 7, the trigger point 71,

the cooking appliance 200 is a cooking appliance that,

a first cooking cavity 210, a second cooking cavity 220.

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 or similar 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the related art, the traditional metal hinge is widely applied to various fields, including two types of undamped hinges and damped hinges; however, the traditional metal hinge has the defects that the wire cannot be passed through the interior, the size is too small, and the special function cannot be implanted. The electric baking pan hinge is a hinge special for electric baking pan type products, is integrally made of bakelite, has a large longitudinal dimension, and influences the overall appearance of the products on the one hand; in addition, because bakelite is hard and brittle, the stress is relatively limited. The fish roaster hinge is composed of a bakelite and sheet metal composite structure; the hinge of the fish roaster is not beautiful when penetrating through the wire, and the longitudinal dimension is thicker, thus affecting the overall appearance of the product; and the fixation is not firm and the shaking is serious. And the semi-open structure of the hinge of the fish roaster not only influences the threading effect and the product appearance, but also cannot be completely opened by 180 degrees.

To this end, the present application proposes a hinge assembly 100, which hinge assembly 100 may be used in a cooking appliance such as an oven, a multi-purpose cooking oven, or the like.

A hinge assembly 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

Referring to fig. 13, fig. 13 is an exploded view of a hinge assembly 100 according to an embodiment of the present invention, the hinge assembly 100 according to an embodiment of the first aspect of the present invention, including: the hinge comprises a first hinge base 1, a second hinge base 2, a hollow pivot shaft 3, a limiting piece 4 and a reset piece 5.

In particular, the first hinge seat has a first hollow shaft 11; the second hinge base 2 is pivotally connected to the first hinge base 1, the second hinge base 2 has a second hollow shaft 21, the second hollow shaft 21 is coaxially disposed with the first hollow shaft 11, the second hollow shaft 21 and the first hollow shaft 11 have the same inner diameter and outer diameter, and the hinge assembly 100 is configured to be able to be locked when the second hinge base 2 and the first hinge base 1 form a predetermined angle. Thereby, the hinge assembly 100 can be locked to hover at a predetermined angle, thereby contributing to satisfying diverse needs of users. In some alternative embodiments of the present invention, the predetermined angle may be in a range of 95 degrees to 135 degrees, for example, the predetermined angle may be 95 degrees, 100 degrees, 115 degrees, 120 degrees, 125 degrees, 135 degrees, and the like. When the hinge assembly 100 is applied to the cooking appliance 200, if the predetermined angle is less than 95 degrees, it is inconvenient for a user to operate, and if the predetermined angle is greater than 135 degrees, the center of gravity of the cooking appliance 200 moves backward to easily fall down and an occupied space increases.

By setting the predetermined angle in the range of 95 to 135 degrees, when the hinge assembly 100 is used in the cooking appliance 200, the second hinge base 2 is locked after rotating with respect to the first hinge base 1, which not only facilitates the user's operation, but also has good stability and saves the occupied space.

The hollow pivot shaft 3 is arranged in the first hollow shaft 11 and the second hollow shaft 21 in a penetrating manner, the hollow pivot shaft 3 is suitable for a wiring harness to pass through, the wiring harness can comprise a power line, a control line and the like of a high-power source, the wiring harness can pass through the hollow pivot shaft 3, wiring is convenient, the wiring harness can be effectively prevented from being exposed, and therefore the use safety and the appearance regularity of the hinge assembly 100 can be improved.

In addition, when the hollow pivot shaft 3 is detached, the wire harness can be detached, and the detachment of the wire harness is facilitated. In some embodiments of the invention, the wiring harness may be a flexible wire body, which facilitates fitting the wiring harness into the hollow pivot shaft 3.

Here, the hollow pivot shaft 3 means that a part of the pivot shaft is hollow, so that it is convenient to pass through the hollow part of the pivot shaft, and connect other components at a non-hollow position of the pivot shaft, which is advantageous to improve the structural strength of the hollow pivot shaft 3, thereby being advantageous to improve the reliability of the hinge assembly 100 in use.

A first limiting part 31 is formed on the hollow pivot shaft 3, the limiting part 4 is connected with the hollow pivot shaft 3 through a fastening part 5, and a second limiting part 41 matched with the first limiting part 31 is formed on the limiting part 4. For example, a first limiting portion 31 may be formed on the hollow pivot shaft 3, the limiting member 4 and the hollow pivot shaft 3 may be connected by a fastening member 5, a second limiting portion 41 may be formed on the limiting member 4, and the second limiting portion 41 is matched with the first limiting portion 31, so that the hinge assembly 100 may be locked after the second hinge base 2 rotates relative to the first hinge base 1 by a predetermined angle through the matching of the first limiting portion 31 and the second limiting portion 41, and the hinge assembly 100 may also bear a torque generated by a high-mass connecting member hovering.

When the hinge assembly 100 is applied to the cooking appliance 200, the cooking appliance 200 may have various operation modes, such as partially opening and closing, hovering in a limited manner, fully unfolding at 180 degrees, and the like.

The stopper 4 is configured to be switchable between a locking position in which the stopper 4 is connected to the hollow pivot shaft 3 by a fastener 5, and a releasing position in which the second hinge base 2 is freely rotatable with respect to the first hinge base 1, the second hinge base 2 of the hinge assembly 100 being in a predetermined angle hover-locked state with respect to the first hinge base 1.

The reset piece 6 is sleeved on the outer side of the fastening piece 5 and connected with the limiting piece 4. For example, the restoring member 6 may be an elastic member such as a spring, etc., the restoring member 6 may be sleeved outside the fastening member 5, and the restoring member 6 may be connected to the limiting member 4. The force required for resetting can thus be provided to the limiting element 4 by the resetting element 6.

For example, according to the hinge assembly 100 of the embodiment of the present invention, the second hinge base 2 is pivotably connected to the first hinge base 1, and the hinge assembly 100 is convertible between a first position (refer to fig. 1 to 4) in which the second hinge base 2 is coplanar with the first hinge base 1, and a second position (refer to fig. 5 to 8); in the second position, the second hinge seat 2 and the first hinge seat 1 form an included angle of approximately 180 degrees; the hinge assembly 100 also has a third position (refer to fig. 9 to 12) between the first position and the second position, in which the first hinge base 1 and the second hinge base 2 form a predetermined angle therebetween, and the hinge assembly 100 is configured to be lockable in the third position.

When the hinge assembly 100 needs to be switched from the first position to the second position, the hinge assembly 100 passes through the third position, and in the third position, the second position-limiting part 41 is matched with the first position-limiting part 31 so as to lock the hinge assembly 100.

When the locked state needs to be released, for example, when the hinge assembly 100 is switched from the third position to the second position, the limiting member 4 may be controlled (for example, moved) to the release position, so that the locked state between the first hinge base 1 and the second hinge base 2 is released, and the included angle between the first hinge base 1 and the second hinge base 2 is adjusted so that the hinge assembly 100 is located at the second position, in this process, the limiting member 4 may be reset under the action of the resetting member 6.

When the hinge assembly 100 needs to be shifted from the second position to the first position, the hinge assembly passes through the third position where the second position-limiting portion 41 is matched with the first position-limiting portion 31 to lock the hinge assembly 100.

When the locking state needs to be released, for example, when the hinge assembly 100 is switched from the third position to the first position, the limiting member 4 may be controlled (for example, moved) to the release position, so that the locking state between the first hinge base 1 and the second hinge base 2 is released, and the included angle between the first hinge base 1 and the second hinge base 2 is adjusted so that the hinge assembly 100 is located at the first position, in this process, the limiting member 4 may be reset under the action of the resetting member 6.

According to the hinge assembly 100 of the embodiment of the present invention, the angular relationship between the first hinge base 1 and the second hinge base 2 can be adjusted according to actual needs, and the stopper 4 can keep the first hinge base 1 and the second hinge base 2 at a specific opening and closing angle. Therefore, the hinge assembly 100 can adapt to the multi-mode scene work, and better meet the diversified requirements of users.

In some embodiments of the present invention, the hollow pivot shaft 3, the limiting member 4, the fastening member 5 and the reset member 6 may be assembled as a pivot assembly, and in the process of assembling the hinge assembly 100, after the second hinge base 2 is assembled to the first hinge base 1, the pivot assembly is assembled with the second hinge 2 and the first hinge base 1, respectively, thereby enabling the hinge assembly 100 to be conveniently integrated into a modular structure and to be conveniently expanded to various devices requiring similar functions.

According to the hinge assembly 100 of the embodiment of the invention, the power line, the control line and the like of an overlarge power source can be arranged in the hollow pivot shaft 3, and the assembly and disassembly are convenient; through the cooperation of the first limiting part 31 and the second limiting part 41, the hinge assembly 100 can be locked after the second hinge base 2 rotates relative to the first hinge base 1 by the predetermined angle. Therefore, the hinge assembly 100 not only has the wire passing function, but also enables the hinge assembly 100 to adapt to the multi-mode scene work, and better meets the diversified requirements of users. In addition, the hinge assembly 100 can be conveniently integrated into a modular structure, and can be conveniently extended to various devices requiring similar functions.

In some embodiments of the present invention, the first hinge base 1 and the second hinge base 2 are formed in an ultra-thin design, and have a neat appearance and a small structure, and when the hinge assembly 100 is applied to the cooking appliance 200, the occupied space is small.

Alternatively, when the hinge assembly 100 is applied to the cooking appliance 200, the first hinge base 1 and the second hinge base 2 may be coupled to the cooking appliance 200 by means of screw coupling, facilitating mounting and dismounting.

Referring to fig. 13, according to some embodiments of the present invention, a first stopper portion 31 is formed at one side end surface of the hollow pivot shaft 3 adjacent to the stopper 4; for example, the first stopper part 31 may be formed at the right side end face of the hollow pivot shaft 3 shown in fig. 13, and the first stopper part 31 may be provided to project from the right side end face of the hollow pivot shaft 3 in the axial direction of the hollow pivot shaft 3. The second stopper portion 41 is formed on a side of the stopper 4 adjacent to the hollow pivot shaft 3, for example, the second stopper portion 41 may be formed on the left side of the stopper 4 shown in fig. 13. Therefore, the first stopper portion 31 and the second stopper portion 41 are engaged with each other, so that the second hinge base 2 can be locked by rotating the first hinge base 1 by the predetermined angle.

Here, the limiting member 4 and the hollow pivot shaft 3 may be arranged along the axial direction, which is beneficial to reducing the overall thickness of the hinge assembly 100, facilitating the realization of the ultra-thin design, and also making the appearance of the hinge assembly 100 simple, small and exquisite in structure and small in occupied space.

According to the hinge assembly 100 disclosed by the embodiment of the invention, a modular design idea and an ultrathin structural design scheme are adopted, so that the hinge assembly has the advantages of thin thickness, small occupied space, high integration level and the like; in addition, the hollow pivot shaft 3 is convenient for wire passing and assembly and disassembly.

Further, the first stopper portion 31 and the second stopper portion 41 are configured as segments. For example, the first stopper portion 31 may be configured as a segment, and the second stopper portion 41 may be configured as a segment. The segments have two sides disposed along the axis around the hollow pivot shaft 3, and the hinge assembly 100 can be locked in a predetermined angular position by the corresponding mating of the two sides on the first stopper portion 31 with the two sides on the second stopper portion 41.

Here, the predetermined angle of rotation of the second hinge block 2 relative to the first hinge block 1 is adapted to the center angle of the segment.

Further, the first stopper portion 31 and the second stopper portion 41 are one or more segments, respectively.

Taking the first limiting portion 31 shown in fig. 13 as a sector and the second limiting portion 41 as a sector as an example, when the limiting member 4 is located at the locking position, referring to fig. 11, the sectors of the first limiting portion 31 and the sectors of the second limiting portion 41 are in fit with each other and limit each other, and the limited hollow pivot shaft 3 does not rotate around the axis direction, so as to maintain the relative angle between the first hinge base 1 and the second hinge base 2 connected to the hollow pivot shaft 3. The fan-shaped blocks are used as the limiting parts, so that the structure is simple, the occupied space is small, the block shape is not easy to break, and the structural strength is high.

When the number of the segments included in each limiting portion increases, the angular positions at which the first limiting portion 31 and the second limiting portion 41 limit the hovering angle increase, thereby increasing the selection space of the hovering angle.

In some embodiments of the present invention, the first position-limiting part 31 and the second position-limiting part 41 may also adopt other structures, for example, a side surface of one of the first position-limiting part and the second position-limiting part is provided with a socket, and a side surface of the other one is provided with a plug post.

Referring to fig. 13, according to some embodiments of the present invention, the limiting member 4 is formed with a first protrusion 42, the inner side of the first hollow shaft 11 is formed with a first fitting groove 111 matching with the first protrusion 42, and the first protrusion 42 is slidably fitted in the first fitting groove 111.

For example, referring to fig. 14, the limiting member 4 may be formed with a first protrusion 42, the inner side of the first hollow shaft 11 may be formed with a first engaging groove 111, the first engaging groove 111 is matched with the first protrusion 42, and the first protrusion 42 is slidably engaged in the first engaging groove 111.

Further, the length of the first fitting groove 111 in the axial direction is not less than the length of the first projection 42, whereby, when the control stopper 4 is released from the locked state, the stopper 4 can be prevented from coming out of the first fitting groove 111, which is advantageous for improving the reliability of the use of the hinge assembly 100.

Referring to fig. 15, a second protrusion 211 extending along the axial direction of the second hollow shaft 21 is disposed on the inner side of the second hollow shaft 21, and a second fitting groove 32 matching with the second protrusion 211 is disposed on the hollow pivot shaft 3. For example, the inner side of the second hollow shaft 21 may be provided with a second protrusion 211, the second protrusion 211 may extend in the axial direction of the second hollow shaft 21, the hollow pivot shaft 3 may be provided with a second fitting groove 32, the second fitting groove 32 is matched with the second protrusion 211, and the second protrusion 211 is fitted in the second fitting groove 32.

Further, in conjunction with fig. 17, the second position-limiting portion 41 may include an arc-shaped surface 411, and the first protrusion 42 may be formed on an outer surface of the arc-shaped surface 411.

In some embodiments of the present invention, the first protrusion 42 and the second protrusion 211 may be flat keys, and the first matching groove 111 and the second matching groove 32 may be flat key grooves, so that torque may be transmitted by matching the flat keys and the flat key grooves, so that the hinge assembly 100 can bear torque generated by hovering of a large-mass connecting member, thereby improving the reliability of the hinge assembly 100.

As shown in fig. 13, according to some embodiments of the present invention, a first mounting hole 43 is formed on the limiting member 4, the first mounting hole 43 may be formed on an inner side of the limiting member 4, a second mounting hole 33 may be formed on the hollow pivot shaft 3, the second mounting hole 33 may be formed on an inner side of the hollow pivot shaft 3, the second mounting hole 33 is coaxial with the first mounting hole 43, and the fastening member 5 is adapted to sequentially pass through the first mounting hole 43 and the second mounting hole 33 to connect the limiting member 4 with the hollow pivot shaft 3. Thereby, a reliable connection between the limiting member 4 and the hollow pivot shaft 3 can be achieved by passing the fastening member 5 through the first mounting hole 43 and the second mounting hole 33 in sequence.

Referring to fig. 4 and 13, according to some embodiments of the present invention, the fastening member 5 may be a half-thread screw 51, the half-thread screw 51 may have a head 511 (refer to fig. 4), the retaining member 4 may be formed with a retaining ring 44, and the restoring member 6 may have one end connected to the head 511 of the half-thread screw 51 and the other end connected to the retaining ring 44. For example, in fig. 4, the left end of the reset member 6 may abut against the head 511 of the half-thread screw 51, and the right end of the reset member 6 may abut against the left side of the fixing ring 44, so that when the limiting member 4 is moved outward, the hinge assembly 100 may be unlocked, and the limiting member 4 may be reset by the reset member 6.

Here, the full thread of the screw means that the screw rod is all threaded, and the half thread of the screw means that half of the screw rod is threaded and half is a polished rod.

Referring to fig. 2, according to some embodiments of the present invention, the hinge assembly 100 may further include: and the sensing device 7, wherein the sensing device 7 is arranged on one of the first hinge base 1 and the second hinge base 2. For example, in some alternative embodiments of the present invention, it may be that the sensing device 7 is provided on the first hinge base 1; in some alternative embodiments of the present invention, the second hinge base 2 may also be provided with a sensing device 7. Therefore, the relative angle relation between the first hinge seat 1 and the second hinge seat 2 can be acquired sensitively through the sensing device 7, and the accuracy of corresponding working instructions of the equipment according to angle information is improved.

According to the hinge assembly 100 provided by the embodiment of the invention, the sensing device 7 is integrated in the first hinge base 1 or the second hinge base 2, so that different positions of the hinge can be identified, different control logics can be matched to control equipment, and a better experience is obtained.

In some alternative embodiments of the invention, the sensing device 7 may be a micro switch or a ball switch. Of course, the invention is not limited thereto, but in some alternative embodiments of the invention, the sensing device 7 may also be a non-contact sensor or the like, for example, whereby by making said sensing device 7 a non-contact sensor, less material is needed and the appearance is not damaged or affected in any way. The specific form of the inductive device 7 can be adapted according to the actual requirements.

Further, the first hinge base 1 further includes a first hinge base body 12 (refer to fig. 14), and the second hinge base 2 further includes a second hinge base body 22 (refer to fig. 15), and in some embodiments of the present invention, the first hollow shaft 11 may be disposed at one side of the first hinge body 12; the second hollow shaft 21 is arranged on one side of the second hinge body 22; the first hinge body 12 and the second hinge body 22 are formed with wire passing holes adapted to pass a wire harness therethrough.

Further, referring to fig. 13, in some embodiments of the present invention, the first hinge base body 12 and the second hinge base body 22 are each configured to be rectangular, the first hollow shaft 11 includes two, the two first hollow shafts 11 are respectively located at both ends of the first hinge base body 12 in the length direction, and the second hollow shaft 21 is provided at a middle position of the second hinge base body 22 in the length direction.

One of the first seat hinge body 12 and the second seat hinge body 22 has a fixing structure 121 formed thereon, said fixing structure 121 being adapted to mount the induction device 7. For example, the first seat hinge body 12 may be formed with a fixing structure 121 adapted to mount the sensing device 7, or the second seat hinge body 22 may be formed with a fixing structure 121 adapted to mount the sensing device 7. The mounting of the sensor element 7 on the first seat hinge body 12 or the second seat hinge body 22 is thereby facilitated by the fastening structure 121.

Alternatively, referring to fig. 1 and 2, one of the first hinge base 1 and the second hinge base 2 is formed with a fitting hole 13 corresponding to the triggering point 71 of the sensing device 7, and the other of the first hinge base 1 and the second hinge base 2 is formed with a triggering portion 23 for triggering the triggering point 71. Thus, when the hinge assembly 100 is applied to the cooking appliance 200, the cooking appliance 200 can be in one cooking mode by triggering the trigger point 71 through the trigger part 23, and the cooking appliance 200 can be in another cooking mode by releasing the trigger point 71 through the trigger part 23, thereby being beneficial to meeting diversified cooking requirements of users.

For example, the first hinge base 1 may be formed with a fitting hole 13 corresponding to the triggering point 71, and the second hinge base 2 may be formed with a triggering portion 23 for triggering the triggering point 71. The second hinge base 2 may be formed with a fitting hole 13 corresponding to the trigger point 71, and the first hinge base 1 may be formed with a trigger portion 23 for triggering the trigger point 71.

According to some embodiments of the present invention, the hinge assembly 100 may further include: a damping member (not shown) is disposed between at least the hollow pivot shaft 3 and the limiting member 4, for example, the damping member may be disposed between the hollow pivot shaft 3 and the limiting member 4. Therefore, the structure at the second hinge seat 2 can be effectively prevented from falling down and covering, so that a user is prevented from being injured by a crashing object or the hinge assembly 100 is prevented from being damaged, and the use reliability and the safety of the hinge assembly 100 are improved.

In some alternative embodiments of the present invention, the damping member may also be provided between the first hinge base 1 and the second hinge base 2; the damping members may be disposed between the hollow pivot shaft 3 and the limiting member 4, and between the first hinge base 1 and the second hinge base 2. The damping member may be selected from any one of a friction type, a torsion spring type, and a spring pin type, which is not limited herein.

The hinge assembly 100 according to the embodiment of the present invention has the following advantages: firstly, the structure is designed to be ultra-thin and high in strength, the excircle overlapping central axis of the first hollow shaft 11 and the second hollow shaft 21 is jointed up and down near the outer edge; secondly, the semi-open type hollow rotating shaft passes through the middle of the semi-open type hollow rotating shaft, so that the semi-open type hollow rotating shaft is convenient to disassemble and assemble; thirdly, the drawing-out type central shaft limiting structure can be completely opened and closed or partially opened and closed according to a certain angle; fourthly, the spring automatically resets the limiting part structure, so that the limiting part 4 can automatically restore the limiting function after the hinge rotates past the limiting point; fifthly, the position sensing integrated structure automatically works according to different modes when the hinge is opened and closed to different positions; sixthly, modular design, convenient whole transplantation and good universality.

Referring to fig. 18 to 20, a cooking appliance 200 according to an embodiment of the second aspect of the present invention includes: a hinge assembly, a first cooking cavity 210 and a second cooking cavity 220.

Specifically, the hinge assembly is the hinge assembly 100 in the above-described first aspect embodiment; the first hinge base 1 is connected with the first cooking cavity 210; the second hinge base 2 is connected with the second cooking cavity 220.

The cooking appliance 200 may further include a controller for controlling the cooking appliance to switch between different cooking modes. The controller may be electrically connected with the sensing device 7 to switch the cooking mode according to the detected angle. Cooking appliance 200 may be a double-sided heating cooking device such as an electric cake tray, a fish roaster, or the like.

In some embodiments of the present invention, the controller may automatically match a corresponding working program and a corresponding control mode according to the angular relationship between the first hinge base 1 and the second hinge base 12 detected by the sensing device 7, so as to omit a process of manually operating the cooking appliance 200, and improve user experience.

In some embodiments of the present invention, when the hinge assembly 100 is closed, the outer surfaces of the first hinge base 1 and the second hinge base 2 are almost attached, and at this time, the triggering part 23 triggers the sensing device 7, and the controller receives a signal to control the cooking appliance 200 to operate according to a corresponding mode; when the hinge assembly 100 is fully opened or partially opened, the first hinge base 1 and the second hinge base 2 are separated from the coupled state, and at this time, the sensing device 7 is reset, and the controller receives a reset signal to control the cooking appliance 200 to operate according to a corresponding mode.

It should be noted that the controller can select a plurality of cooking modes according to the usage of the cooking appliance 200, and the above is only an example and is not a limitation on the types of cooking modes.

According to the cooking appliance 200 of the embodiment of the invention, the hinge assembly 100 enables the first cooking cavity 210 and the second cooking cavity 220 of the cooking appliance 200 to have various opening and closing angles, so that various working modes can be met, the cooking appliance is convenient to disassemble, corresponding working programs and control modes can be automatically matched according to the opening and closing angle information through the controller, and the user experience is improved.

The operation of the hinge assembly 100 and the cooking appliance 200 according to the embodiment of the present invention will be described with reference to the accompanying drawings, wherein the predetermined angle of rotation of the second hinge base 1 with respect to the first hinge base 2 is mainly 100 degrees, and the cooking appliance 200 is an oven, for example.

Specifically, referring to fig. 13, in operation, the hinge assembly 100 is preassembled and fitted with a corresponding wiring harness; firstly, a wire harness respectively passes through corresponding wire passing holes of a first hinge seat 1 and a second hinge seat 2, and the first hinge seat 1 and the second hinge seat 2 are coaxially spliced by mounting a first hollow shaft 11 and a second hollow shaft 21; meanwhile, a rotating shaft assembly (comprising a hollow rotating shaft 3, a limiting piece 4, a reset piece 6 and a half-tooth screw 51) is assembled; then, the rotating shaft assembly is penetrated into the middle of the first hollow shaft 11 and the second hollow shaft 21 from the right side to the left side, attention is paid to the fact that the second matching groove 32 on the hollow rotating shaft 3 needs to be tightly matched with the second bump 32 on the second hinge seat 2, a wire harness is guaranteed not to be clamped, and the first bump 42 on the limiting piece 4 is smoothly installed into the first matching groove 111 on the first hinge seat 1 in structure; after assembly, the rotating shaft component 3 and the second hinge seat 2 are tightly matched to form a whole; then an induction device 7 (such as a microswitch) is arranged; the hinge assembly 100 is assembled.

When the hinge assembly 100 is unfolded and vertically and the hinge rotates within 100 degrees, the hinge assembly 100 can rotate freely, but when the hinge assembly is rotated within 100 degrees, the end face of the sector surface of the first limiting part 31 is attached to the end face of the sector surface of the second limiting part 41 to play a role, and the second hinge seat 2 is prevented from rotating backwards continuously; when the limiting piece 4 is released (for example, pulled out to the right), the limiting structure fails, and the second hinge base 2 can rotate backwards by more than 100 degrees, and is completely unfolded and laid flat; in the final state, the second hinge base 2 and the first hinge base 1 are completely attached and stacked, and under the action of the gravity of the second hinge base 2, the trigger part 23 on the second hinge base 2 triggers (for example, triggers in the horizontal direction) the microswitch installed in the first hinge base 1, so as to achieve the switching of the oven state.

When the oven is recovered to a completely closed state (the second hinge base 2 and the first hinge base 1 are completely attached and stacked) from a completely opened state (the second hinge base 2 and the first hinge base 1 are completely and vertically unfolded), when the second cooking cavity 220 drives the second hinge base 2 to rotate back to pass through a limit point of 100 degrees, the reset piece 6 can act to ensure that the second limit part 41 of the limit piece 4 automatically and axially slides and is attached to the first limit part 31 of the hollow pivot shaft 3 to recover to a limit position; the limiting member 4 is acted again, and at this time, the second cooking cavity 220 and the second hinge base 2 can only rotate backwards to the position of 100 degrees; the position-limiting member 4 needs to be released again (for example, pulled out by moving to the right), so that the second cooking cavity 220 and the first cooking cavity 210 can be completely unfolded to the flat position.

Other constructions and operations of the hinge assembly 100 and the cooking appliance having the same according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the 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 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

1. A hinge assembly, comprising:

a first hinge base having a first hollow shaft;

a second hinge base pivotably connected to the first hinge base, the second hinge base having a second hollow shaft coaxial with the first hollow shaft, the hinge assembly configured to be lockable when the second hinge base is at a predetermined angle to the first hinge base;

the hollow pivot shaft penetrates through the first hollow shaft and the second hollow shaft, the hollow pivot shaft is suitable for a wiring harness to penetrate through, and a first limiting part is formed on the hollow pivot shaft;

the limiting piece is connected with the hollow pivot shaft through a fastening piece, and a second limiting part matched with the first limiting part is formed on the limiting piece;

the reset piece is sleeved on the outer side of the fastener and connected with the limiting piece.

2. The hinge assembly of claim 1,

the first limiting part is formed at one side end face, adjacent to the limiting part, of the hollow pivot shaft;

the second limiting part is formed on one side of the limiting part adjacent to the hollow pivot shaft.

3. The hinge assembly of claim 2, wherein the first and second limiting portions are configured as segments.

4. The hinge assembly of claim 1,

a first bump is formed on the limiting piece, a first matching groove matched with the first bump is formed on the inner side of the first hollow shaft, and the first bump is slidably matched in the first matching groove;

the inner side of the second hollow shaft is provided with a second bump extending along the axial direction of the second hollow shaft, and the hollow pivot shaft is provided with a second matching groove matched with the second bump.

5. The hinge assembly of claim 4, wherein the second retention portion comprises an arcuate surface, and the first protrusion is formed on an outer surface of the arcuate surface.

6. The hinge assembly of claim 1, wherein a first mounting hole is formed in the retainer, a second mounting hole is formed in the hollow pivot shaft coaxially with the first mounting hole, and the fastener is adapted to pass through the first mounting hole and the second mounting hole in sequence to couple the retainer to the hollow pivot shaft.

7. The hinge assembly of claim 1, wherein the fastening member is a half-thread screw, the retainer has a fixing ring formed thereon, and the reset member has one end connected to a head of the half-thread screw and the other end connected to the fixing ring.

8. The hinge assembly of claim 1, further comprising:

an induction device disposed on one of the first hinge base and the second hinge base.

9. The hinge assembly of claim 8,

the first hinge base comprises a first base hinge body, the second hinge base comprises a second base hinge body, and a fixing structure suitable for mounting the induction device is formed on one of the first base hinge body and the second base hinge body.

10. The hinge assembly of claim 8,

one of the first hinge seat and the second hinge seat is provided with a matching hole corresponding to a trigger point of the sensing device, and the other hinge seat is provided with a trigger part used for triggering the trigger point.

11. The hinge assembly of any one of claims 1-10, further comprising:

and the damping part is arranged between at least the hollow pivot shaft and the limiting part.

12. A cooking appliance, comprising:

a hinge assembly according to any one of claims 1 to 11;

the first hinge seat is connected with the first cooking cavity;

and the second hinge seat is connected with the second cooking cavity.