CN116641614A - Hinge assembly and refrigerator with same - Google Patents

Abstract

The present invention provides a hinge assembly and a refrigerator having the same. The hinge assembly includes a sliding seat defining a slide groove, a first wedge protruding from the sliding seat toward the side of the second hinge structure, a first shaft body and The shaft seat of the second shaft body, the second wedge protruding from the shaft seat towards the side of the sliding seat; the outer surface of the first wedge facing the side of the shaft seat has a first slope and a second slope, and the second wedge faces The outer surface on one side of the sliding seat has a third slope and a fourth slope; during the sliding process of the first shaft body and the second shaft body in the chute, the first wedge is opposite to the second wedge along the third slope through the first slope. The block rotates and moves until the second slope abuts against the fourth slope, so that the door body can be automatically closed when it is closed at a certain angle, and the door body and the box body can be closely fitted to improve the insulation performance of the refrigerator, which can effectively Improve the life of the refrigerator.

Description

Hinge assembly and refrigerator with same

technical field

The invention relates to the technical field of household equipment, in particular to a hinge assembly and a refrigerator having the same.

Background technique

Nowadays, with the improvement of people's income level, people are increasingly pursuing a higher standard of living. Smart home appliances have entered the homes of ordinary people. Due to the continuous development of the home appliance industry, it has become an inevitable trend to advocate technological and intelligent home appliances the trend of.

In daily life, the refrigerator is one of the necessary household appliances for people. During the use of the refrigerator, people often forget to close the refrigerator door or the refrigerator door is not closed tightly. Once the user does not close the refrigerator door or does not close it tightly , It will affect the refrigeration effect of the refrigerator, so that the temperature in the refrigerator cannot reach the refrigeration temperature, which will affect the normal use of the refrigerator. And because the refrigerator door is not closed tightly for a long time, it will cause the compressor to work all the time, increase power consumption, cause waste of power resources, and even affect the life of refrigerator compressors and other components, which cannot meet the normal use needs of users.

Contents of the invention

The invention provides a hinge assembly and a refrigerator with the hinge assembly to solve the problem in the existing refrigerators that the door body is easily forgotten to be closed or not closed tightly, which affects the refrigeration effect.

In order to achieve one of the objectives of the above invention, an embodiment of the present invention provides a hinge assembly, which includes a first hinge structure and a second hinge structure that cooperate with each other, and the first hinge structure includes a sliding seat defining a sliding groove , a first wedge protruding from the sliding seat toward one side of the second hinge structure, the second hinge structure includes a shaft seat defining a first shaft body and a second shaft body, and a shaft seat from the shaft seat A second wedge protruding toward the side of the sliding seat; the outer surface of the first wedge facing the side of the shaft seat has a first slope and a second slope, and the second wedge faces toward the sliding The outer surface on one side of the seat has a third slope and a fourth slope; during the sliding process of the first shaft and the second shaft in the sliding groove, the first wedge can pass through the first slope. Rotate and move relative to the second wedge along the third slope until the second slope abuts against the fourth slope.

As a further improvement of the above technology, the slope of the first slope is greater than the slope of the second slope, and when the hinge assembly is in a closed state, the second slope abuts against the fourth slope.

As a further improvement of the above technology, the second wedge further includes a plane connecting the third slope and the fourth slope.

As a further improvement of the above technology, the second hinge structure further includes a movable seat on which the second wedge is formed, and the movable seat is fixedly installed on a side of the shaft seat facing the sliding seat.

As a further improvement of the above technology, the movable seat is made of POM material.

As a further improvement of the above technology, the hinge assembly is used to connect the box body and the door body, the first wedge is located on the side of the sliding seat that is close to the box relative to the door body, and the second wedge The block is set corresponding to the first wedge.

As a further improvement of the above technology, the chute includes a first slot that fits with the first shaft and a second slot that fits with the second shaft. During the opening and closing process of the hinge assembly, the The first shaft is located in the first slot, and the second shaft moves in the second slot.

As a further improvement of the above technology, the first groove is configured as a straight groove, and the second groove is configured as a curved groove.

As a further improvement of the above technology, the box body has a storage room and a pivoting side connected to the hinge assembly, the first slot includes an initial position and a first stop position, and the second slot includes a first end , the second end, and the first section and the second section connected between the first end and the second end. When the door body is in the closed state, the first shaft body is in the initial position, and the second shaft body Located at the first end, when the door body is in the process of opening from the closed state to the first opening angle, the first shaft body remains at the initial position, and the second shaft body The shaft is the center of the circle and moves in the first section. When the door is in the process of continuing to open from the first opening angle to the second opening angle, the second shaft moves in the second section. And drive the first shaft body to move from the initial position to the first stop position, and the door body moves from the pivoting side toward the side of the storage room.

As a further improvement of the above technology, the first slot also includes a second stop position, the second slot includes a third section and a fourth section located between the second section and the second end, when the door When the body is in the process of continuing to open from the second opening angle to the third opening angle, the second shaft moves in the third section and drives the first shaft to move from the first stop position to In the second stop position, when the door is in the process of continuing to open from the third opening angle to the maximum opening angle, the first shaft remains at the second stop position, and the second shaft Take the first shaft as the center and move in the fourth section.

A refrigerator is also provided in an embodiment of the present invention, the refrigerator includes a box body, a door body, and the hinge assembly provided in the above embodiment, and the hinge assembly is used to connect the box body and the door body.

Compared with the prior art, the present invention has the beneficial effect that: the above-mentioned hinge assembly and the refrigerator with it cooperate with each other between the first wedge and the second wedge, and the first shaft body and the second shaft During the sliding process of the body in the chute, the first wedge can rotate and move relative to the second wedge along the third slope through the first slope until the second slope abuts against The fourth slope enables the door to automatically close when it is closed at a certain angle, and the door and the cabinet can be closely bonded to improve the heat preservation performance of the refrigerator, thereby effectively increasing the life of the refrigerator.

Description of drawings

Fig. 1 is a perspective view of a refrigerator provided in an embodiment of the present invention;

Fig. 2 is an exploded view of a hinge assembly provided in an embodiment of the present invention;

Fig. 3 is a perspective view of an upper hinge provided in an embodiment of the present invention;

Fig. 4 is a top view of the hinge assembly provided in an embodiment of the present invention in a closed state;

Figure 5 is a perspective view of the hinge assembly shown in Figure 4;

Fig. 6 is a top view of the hinge assembly provided in an embodiment of the present invention when it is opened to a first angle;

Figure 7 is a perspective view of the hinge assembly shown in Figure 6;

Fig. 8 is a top view of the hinge assembly provided in an embodiment of the present invention when it is opened to a second angle;

Figure 9 is a perspective view of the hinge assembly shown in Figure 8;

Fig. 10 is a top view of the hinge assembly provided in an embodiment of the present invention when it is opened to a maximum angle;

FIG. 11 is a perspective view of the hinge assembly shown in FIG. 10 .

As shown in the figure: 100, refrigerator; 10, box body; 11, storage room; 12, pivoting side; 20, door body; 30, hinge assembly; 31, first hinge structure; 311, sliding seat; 3111, Chute; 3112, first slot; L1, initial position; L2, first stop position; L3, second stop position; 3113, second slot; T1, first end; T2, second end; S1, first Section; S2, the second section; S3, the third section; S4, the fourth section; 312, the first wedge; 3121, the first slope; 3122, the second slope; 33, the second hinge structure; 331, the shaft seat 3311, the first shaft; 3312, the second shaft; 332, the second wedge; 3321, the third slope; 3322, the fourth slope; 3323, plane; 333, movable seat; 3331, through hole.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "front", "rear", "upper", "lower", "inner" and "outer" are based on those shown in the accompanying drawings. Orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

As shown in FIGS. 1 to 3 , in one embodiment of the present invention, a hinge assembly 30 is provided. The hinge assembly 30 includes a first hinge structure 31 and a second hinge structure 33 that cooperate with each other. The hinge assembly 30 It can be used to connect the box body 10 and the door body 20 of the refrigerator 100 . Of course, the hinge assembly 30 can also be used in other household appliances. In addition, an embodiment of the present invention also provides a refrigerator 100, the refrigerator 100 includes a box body 10, a door body 20, and the above-mentioned hinge assembly 30, and the hinge assembly 30 is used to connect the box body 10 and The door body 20 is used to open and close the box body 10 .

Specifically, the first hinge structure 31 includes a sliding seat 311 defining a sliding slot 3111, a first wedge 312 protruding from the sliding seat 311 toward the side of the second hinge structure 33, the second The hinge structure 33 includes a shaft seat 331 defining a first shaft body 3311 and a second shaft body 3312 , and a second wedge 332 protruding from the shaft seat 331 toward the side of the sliding seat 311 .

The outer surface of the first wedge 312 facing the shaft seat 331 has a first inclined surface 3121 and a second inclined surface 3122, and the outer surface of the second wedge 332 facing the sliding seat 311 has a third inclined surface. Inclined surface 3321 and fourth inclined surface 3322; during the sliding process of the first shaft body 3311 and the second shaft body 3312 in the slide groove 3111, the first wedge 312 can pass through the first inclined surface 3121 along the The third inclined surface 3321 rotates and moves relative to the second wedge 332 until the second inclined surface 3122 abuts against the fourth inclined surface 3322 to ensure that the door 20 and the box body 10 are closed tightly.

The above-mentioned hinge assembly 30 cooperates between the first wedge 312 and the second wedge 332. During the sliding process of the first shaft body 3311 and the second shaft body 3312 in the slide groove 3111, the first The wedge 312 can rotate and move relative to the second wedge 332 along the third slope 3321 through the first slope 3121 until the second slope 3122 abuts against the fourth slope 3322, so that the door body 20 can be automatically closed when it is closed at a certain angle. , and the door body 20 and the box body 10 can be closely bonded to improve the heat preservation performance of the refrigerator 100 , thereby effectively improving the life of the refrigerator 100 .

In this embodiment, the slope of the first slope 3121 is greater than the slope of the second slope 3122, that is, when the first wedge 312 protrudes to a certain height, the length of the slope of the second slope 3122 is greater than The length of the first inclined surface 3121, the sliding fit between the second inclined surface 3122 and the fourth inclined surface 3322 is more gentle, so that the opening force of the door body 20 can be reduced during the opening process of the door body 20, During the closing process of the door body 20 , the closing speed of the door body 20 can be slowed down, so as to avoid the impact on the box body 10 due to the excessive closing speed of the door body 20 .

Further, the second wedge 332 also includes a plane 3323 connecting the third slope 3321 and the fourth slope 3322, so that the door body 20 can move smoothly during the opening and closing process, and avoid the gap between the third slope 3321 and the fourth slope 3322. A sudden change occurs at the junction of the fourth slope 3322 , so that the closing speed of the door body 20 can be slowed down.

In this embodiment, the first wedge 312 is located on the side of the sliding seat 311 that is close to the box body 10 relative to the door 20 , and the second wedge 332 and the first wedge 312 Corresponding settings, that is, when the hinge assembly 30 is closed, the first wedge 312 and the second wedge 332 are located on the side close to the box body 10, and the first shaft 3311 and the second shaft 3312 The chute 3111 is arranged close to the door body 20 relative to the second wedge 332, and the sliding groove 3111 is arranged close to the door 20 relative to the first wedge 312, so as to make the structure more compact and convenient for the first shaft 3311, the second shaft body 3312 and the sliding groove 3111 are arranged and installed, and the first wedge 312 and the second wedge 332 can also be hidden inside to improve the appearance of the product.

Further, the first wedge 312 and the second wedge 332 are arranged correspondingly around the rotation axis of the hinge assembly 30, so that the first wedge 312 and the second wedge Block 332 is capable of tight contact.

Furthermore, smooth transitions are set between the first slope 3121 and the second slope 3122, the third slope 3321 and the plane 3323, and the plane 3323 and the fourth slope 3322, so that the first The sliding between the first wedge 312 and the second wedge 332 is smoother, so that the door 20 is opened or closed more smoothly.

In this embodiment, the lower hinge member further includes a movable seat 333 formed with the second wedge 332 , and the movable seat 333 is fixedly mounted on a side of the shaft seat 331 facing the sliding seat 311 . The shaft seat 331 is mostly set as a sheet metal part, and the setting of the movable seat 333 enables the second wedge 332 to be arranged separately relative to the shaft seat 331, which can reduce the material of the shaft seat and reduce manufacturing difficulty, thereby reducing production costs .

Further, the movable seat 333 is also provided with a through hole 3331 through which the first shaft body 3311 and the second shaft body 3312 pass, and the movable seat 333 is fixed to the shaft seat 331 by screws. While ensuring that the first shaft body 3311 and the second shaft body 3312 slide stably in the slide groove 3111, the wear of the first wedge 312 and the second wedge 332 can be reduced, ensuring that the first The sliding between the wedge 312 and the second wedge 332 is smoother.

Optionally, the side of the second wedge 332 is further provided with reinforcing ribs to enhance the supporting strength of the second wedge 332 .

In this embodiment, the movable seat 333 can be made of POM material, so as to reduce the friction between the first wedge 312 and the second wedge 332, reduce wear, and prolong the life of the hinge assembly 30. service life. In other embodiments, the movable seat 333 can also be made of other materials, such as plastic, therefore, any technical solutions that are the same as or similar to this embodiment are within the protection scope of the present invention.

In this embodiment, the second hinge structure 33 is installed on the box body 10 , and the first hinge structure 31 is installed on the door body 20 . During the closing process of the door body 20 , the first hinge structure 31 rotates relative to the second hinge structure 33 until the first inclined surface 3121 abuts against the third inclined surface 3321 . Under force, the first wedge 312 in the first hinge structure 31 slides relative to the second wedge 332 along the third slope 3321 through the first slope 3121 until the first slope 3121 and the second slope The junction of the two slopes 3122 moves to the plane 3323. If the door body 20 continues to be pushed, under the action of the weight of the door body 20 and the sliding between the second slope 3122 and the fourth slope 3322, the The door body 20 can realize automatic closing, that is, it can realize automatic closing when the door body 20 is closed to a certain angle.

And under the mutual resistance of the second slope 3122 and the fourth slope 3322 , the door body 20 can be closed more tightly, which can effectively solve the problem of the door body 20 not being tightly closed. It should be noted that, the angle of the door body 20 when it is automatically closed under the interaction of the first wedge 312 and the second wedge 332 can be set as required, such as 1 to 5 degrees.

In this embodiment, the slide groove 3111 includes a first slot 3112 matched with the first shaft body 3311 and a second slot 3113 matched with the second shaft body 3312 , when the hinge assembly 30 is in the During the closing process, the first shaft body 3311 is in the first groove 3112, and the second shaft body 3312 moves in the second groove 3113, so that the first shaft body 3311 and the second shaft body can 3312 can be adjusted and has high flexibility. Of course, in some embodiments, the first shaft body 3311 and the second shaft body 3312 can also move in a sliding slot.

Further, the first groove 3112 is configured as a straight groove, and the second groove 3113 is configured as a curved groove. During the movement of the second shaft body 3312 in the second groove 3113, the first shaft body 3311 can reciprocate in the first groove 3112, and the second shaft body 3312 can rotate around the The first shaft body 3311 rotates, so that the door body 20 can translate from the pivot side 12 of the box body 10 to the side of the storage room 11 during the opening process of the door body 20 , so that the door body 20 can be avoided. Interference with surrounding cabinets or walls during opening.

Specifically, as shown in FIGS. 4 to 11 , the box body 10 has a storage compartment 11 and a pivoting side 12 connected to the hinge assembly 30 . The first slot 3112 includes an initial position L1 and a first stop position L2, and the second slot 3113 includes a first end T1, a second end T2, and a first end T1 connected to the second end T2. One segment S1 and the second segment S2. Wherein, the chute 3111 is consistent with the outer shape of the outer wall of the chute.

When the door 20 is in the closed state, the first shaft 3311 is at the initial position L1, and the second shaft 3312 is at the first end T1; when the door 20 is opened from the closed state to the first During the process of opening the angle, the first shaft body 3311 remains at the initial position L1, and the second shaft body 3312 moves in the first segment S1 with the first shaft body 3311 as the center of a circle, so The first wedge 312 slides relative to the second wedge 332 along the fourth slope 3322 through the second slope 3122;

When the door body 20 is in the process of continuing to open from the first opening angle to the second opening angle, the second shaft body 3312 moves in the second section S2 to drive the first shaft body 3311 from the first opening angle to the second opening angle. The initial position L1 moves to the first stop position L2, and the first wedge 312 is gradually disengaged from the second wedge 332, and the door 20 faces the storage from the pivoting side 12 Chamber 11 moves sideways.

Furthermore, in order to ensure the opening of the box body 10 and prevent the drawers in the box body 10 from being interfered by the door body 20 and cannot be opened, the first groove 3112 also includes a second stop position L3, which is located at The initial position L1 is away from the side of the first stop position L2, that is, the initial position L1 is located between the first stop position L2 and the second stop position L3. And the first stop position L2, the initial position L1 and the second stop position L3 are located on a straight line.

The second slot 3113 includes a third segment S3 and a fourth segment S4 located between the second segment S2 and the second end T2. When the door body 20 is in the process of continuing to open from the second opening angle to the third opening angle, the second shaft body 3312 moves in the third section S3 and drives the first shaft body 3311 to move from the second opening angle to the third opening angle. The first stop position L2 moves to the second stop position L3, and when the door body 20 is in the process of continuing to open from the third opening angle to the maximum opening angle, the first shaft body 3311 remains at the position The second stop position L3, the second shaft body 3312 takes the first shaft body 3311 as the center and moves in the fourth segment S4, so that the door body 20 can be opened to the maximum angle to avoid Affect the extraction of parts such as drawers in the casing 10.

To sum up, the beneficial effect of the hinge assembly 30 provided by the present invention and the refrigerator 100 having the same is that: the hinge assembly 30 cooperates between the first wedge 312 and the second wedge 332 , and the hinge assembly 30 in the first wedge 312 cooperates with each other. During the sliding process of the first shaft body 3311 and the second shaft body 3312 in the chute 3111 , the first wedge 312 can pass through the first inclined surface 3121 to face the second wedge along the third inclined surface 3321 332 rotates and moves until the second inclined surface 3122 abuts against the fourth inclined surface 3322, so that the door body 20 can be automatically closed when it is closed at a certain angle, and the door body 20 and the box body 10 can closely fit , improving the thermal insulation performance of the refrigerator 100 , thereby effectively prolonging the service life of the refrigerator 100 .

It should be understood that although this description is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the description is only for clarity, and those skilled in the art should take the description as a whole, and each The technical solutions in the embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions for feasible implementations of the present invention, and they are not intended to limit the protection scope of the present invention. Any equivalent implementation or implementation that does not depart from the technical spirit of the present invention All changes should be included within the protection scope of the present invention.

Claims (11)

1. A hinge assembly, said hinge assembly comprising a first hinge structure and a second hinge structure cooperating with each other, characterized in that said first hinge structure comprises a sliding seat defining a chute, facing from said sliding seat A first wedge protruding from one side of the second hinge structure, the second hinge structure includes a shaft seat defining a first shaft body and a second shaft body, from the shaft seat toward the side of the sliding seat A protruding second wedge; the outer surface of the first wedge facing the side of the shaft seat has a first slope and a second slope, and the outer surface of the second wedge facing the side of the sliding seat has a The third inclined surface and the fourth inclined surface; during the sliding process of the first shaft body and the second shaft body in the sliding groove, the first wedge block passes through the first inclined surface along the third inclined surface The second wedge rotates and moves until the second inclined surface abuts against the fourth inclined surface. 2. The hinge assembly according to claim 1, wherein the slope of the first slope is greater than the slope of the second slope, and when the hinge assembly is in a closed state, the second slope leans against the fourth slope. 3. The hinge assembly according to claim 1, wherein the second wedge further comprises a plane connecting the third slope and the fourth slope. 4. The hinge assembly according to claim 1, wherein the second hinge structure further comprises a movable seat on which the second wedge is formed, and the movable seat is fixedly mounted on the shaft seat toward the side of the sliding seat. 5. The hinge assembly according to claim 4, wherein the movable seat is made of POM material. 6. The hinge assembly according to claim 1, wherein the hinge assembly is used to connect the box body and the door body, and the first wedge is located on the sliding seat and is close to the box body relative to the door body On one side of the first wedge, the second wedge is arranged correspondingly to the first wedge. 7. The hinge assembly according to claim 6, wherein the slide groove comprises a first slot matched with the first shaft body, a second slot matched with the second shaft body, and in the During the opening and closing process of the hinge assembly, the first shaft body is in the first groove, and the second shaft body moves in the second groove. 8. The hinge assembly according to claim 7, wherein the first groove is configured as a straight groove, and the second groove is configured as a curved groove. 9. The hinge assembly according to claim 7, wherein the case has a storage compartment, a pivot side connected to the hinge assembly, the first slot includes an initial position and a first stop position, The second groove includes a first end, a second end, and a first section and a second section connected between the first end and the second end. When the door body is in a closed state, the first shaft body is in the In the initial position, the second shaft is located at the first end, and when the door is in the process of opening from the closed state to the first opening angle, the first shaft remains at the initial position, and the The second shaft takes the first shaft as the center and moves in the first section. When the door is in the process of continuing to open from the first opening angle to the second opening angle, the second shaft body moves in the second section to drive the first shaft body to move from the initial position to the first stop position, and the door body moves from the pivoting side toward the side of the storage room . 10. The hinge assembly of claim 9, wherein the first slot further includes a second stop, the second slot includes a third section between the second section and the second end , the fourth section, when the door is in the process of continuing to open from the second opening angle to the third opening angle, the second shaft moves in the third section to drive the first shaft Moving from the first stop position to the second stop position, when the door body is in the process of continuing to open from the third opening angle to the maximum opening angle, the first shaft remains at the second In the stop position, the second shaft moves in the fourth section with the first shaft as the center. 11. A refrigerator, characterized in that the refrigerator comprises a box body, a door body and the hinge assembly according to any one of claims 1 to 10, the hinge assembly is used to connect the box body and the door body.