CN107630610B - A hinge assembly and a refrigerator including the same - Google Patents

Abstract

The invention discloses a hinge assembly, which is used to connect a door body and a box body, so that the door body moves according to a preset track when it is opened or closed, and the preset track includes simultaneous rotation of the door body during rotation. The first stage of moving away from or close to the hinge assembly and the second stage of the door body only rotating; in the first stage of the door opening process, the door body rotates around the hinge axis and drives the transmission part to move through the transmission shaft , and then under the cooperation of the guide part and the guide wall, the limit shaft moves in the guide groove, and then drives the door body to move away from the hinge bracket through the hinge shaft, and in the process of moving, the drive shaft moves The bottom end moves upwards and gradually disengages from the transmission part; after the transmission shaft disengages from the transmission part, the door body enters the second stage of the opening process, the limit shaft moves to the end of the guide groove, and the door body and the transmission part The transmission shaft rotates around the hinge shaft together until the door body is fully opened.

Description

A hinge assembly and a refrigerator including the same

technical field

The present application relates to the field of home appliances, in particular to a hinge assembly and a refrigerator including the hinge assembly, in particular to a hinge assembly and a refrigerator which are less likely to encounter obstacles when the door is opened.

Background technique

Usually, when the door body is opened, the door body rotates around the hinge shaft. If the refrigerator is placed in a corner, it is easy to touch the side wall or the cabinet body when the door body is opened. Then the built-in refrigerator, or some non-built-in refrigerators are extremely inconvenient to use, therefore, it is necessary to design a hinge assembly that can move to the side away from the obstacle during the rotation of the door body.

SUMMARY OF THE INVENTION

In order to solve one of the above problems, the present application proposes a refrigerator.

In order to achieve the above object, the technical solution provided by an embodiment of the present application is as follows: a hinge assembly, used to connect a door body and a box body, so that the door body moves according to a preset track when it is opened or closed. The preset track includes the first stage in which the door body moves away from or close to the hinge assembly at the same time during the rotation process and the second stage in which the door body only rotates; the hinge assembly includes: a hinge bracket, fixed on the box body, and It includes guide walls and guide grooves arranged at intervals; a transmission assembly, which cooperates with the hinge bracket to drive the door body to move along a preset track, and the transmission assembly includes: a hinge shaft; a transmission shaft, the lower end of the transmission shaft It can be lifted and fixed to the door body; the transmission part is connected with the hinge shaft and positioned with the transmission shaft in the first stage of opening the door, and the transmission part is provided with the guide groove The matched limit shaft and the guide part matched with the guide wall; in the first stage of the door body opening process, the door body rotates around the hinge shaft, and drives the transmission shaft through the transmission shaft Parts move, and then under the cooperation of the guide part and the guide wall, the limit shaft moves in the guide groove, and then drives the door body to move away from the hinge bracket through the hinge shaft, and the transmission The bottom end of the shaft moves upwards and gradually disengages from the transmission member; after the transmission shaft disengages from the transmission member, the door body enters the second stage of the opening process, the limit shaft moves to the end of the guide groove, and the door body Rotate around the hinge shaft together with the transmission shaft until the door body is fully opened.

As a further improvement of the present invention, the hinge bracket protrudes upwards to form a boss, and the boss includes an inclined surface extending upwards, and the transmission shaft can be supported by the inclined surface in the first stage. Gradually lift up; the boss also includes a sliding surface extending from the highest point of the inclined surface, the sliding surface is horizontal, in the second stage, the sliding surface is against the transmission shaft and makes the transmission shaft on the sliding surface Swipe up.

As a further improvement of the present invention, the highest point of the inclined surface is flush with the transmission member.

As a further improvement of the present invention, the hinge bracket includes a hinge plate and a fixed plate perpendicular to the hinge plate, the fixed plate is fixed to the box body, and the guide wall, guide groove and boss are all arranged on On the hinge plate; the guide groove extends obliquely to the side where the door is opened relative to the fixed plate.

As a further improvement of the present invention, the hinge shaft is arranged on a side of the transmission shaft away from the box body.

As a further improvement of the present invention, the transmission member is formed with a positioning groove matching with the transmission shaft so that the transmission member can be driven to move in the horizontal direction when the transmission shaft moves.

As a further improvement of the present invention, the hinge assembly further includes a connecting plate, the connecting plate is disposed on the upper side of the transmission member, and the transmission shaft and the hinge shaft are both disposed through the connecting plate.

As a further improvement of the present invention, the limiting shaft is arranged between the transmission shaft and the hinge shaft.

As a further improvement of the present invention, the transmission shaft includes a shaft body, an elastic member arranged on the shaft body, and a resisting block under the elastic member, and the shaft body passes through the resisting block. In the first stage wherein, the abutting block abuts against the elastic piece upwards, and causes the elastic piece to be compressed and deformed.

In order to achieve the above object, the technical solution provided by an embodiment of the present application is as follows: a refrigerator, the refrigerator includes a box body and a door body that opens and closes on the box body, and the refrigerator also includes the above-mentioned hinge components.

Beneficial effects of the present invention: In the hinge assembly of the present invention, the hinge shaft is used to provide a shaft for the door body to rotate, so that the door body will drive the drive shaft to move during the rotation, and the drive shaft will move during the movement. Drive the transmission part to move, and the moving track of the transmission part is set, so that the transmission part will drive the transmission shaft in the horizontal direction to drive the door body to move away from the hinge bracket. Thereby the door body not only rotates in the first stage of opening the door, but also moves a certain distance away from the hinge bracket, preventing the door body from touching obstacles in the process of continuing to open.

Description of drawings

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The schematic embodiments and descriptions of the application are used to explain the application and do not constitute an improper limitation to the application. In the attached image:

Fig. 1 is the structural representation of box body of the present invention, door body and hinge assembly thereof;

Fig. 2 is a schematic diagram of the overall structure of the hinge assembly of the present invention;

Fig. 3 is a schematic diagram of the overall structure of another viewing angle of the hinge assembly of the present invention;

Fig. 4 is a schematic diagram of removing the hinge shaft and transmission shaft from the hinge assembly of the present invention;

Fig. 5 is a structural schematic diagram of another viewing angle of the hinge assembly of the present invention;

Fig. 6 is a structural schematic diagram of the hinge assembly of the present invention without the transmission part and the connecting plate.

Detailed ways

In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should therefore not be construed as limiting the invention.

In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be mechanical connection or electrical connection, or two The internal communication of each element may be directly connected or indirectly connected through an intermediary. Those skilled in the art can understand the specific meanings of the above terms according to specific situations.

As shown in Figures 1 to 6, the present invention provides a hinge assembly 100 for connecting between a door body 10 and a box body 20, in this embodiment, as shown in Figure 1, the hinge assembly 100 is used for connecting the door body 10 and the box body 20 of the refrigerator. In order to achieve greater space utilization, in modern homes, refrigerators are often designed as embedded, or refrigerators are placed close to walls, cabinets, etc. Then in the above situation, in the process of opening the door of the existing refrigerator, because the door body is thick and rotates around a shaft, the refrigerator door is easy to touch the obstacle of the refrigerator box 20 during the rotation process, so using Very inconvenient. Therefore, the hinge assembly 100 in the present invention can make the door body 10 move according to a preset trajectory during opening or closing, so that the door body 10 will not touch obstacles. In this embodiment, the side of the box body 20 close to the hinge assembly 100 is recorded as a side surface, and for the convenience of description, the extended surface of this side is recorded as an obstacle, and the door body 10 cannot be touched during the opening and closing process. When encountering the obstacle, that is, the door body 10 cannot touch the extension surface of the side during the opening and closing process of the door body 10 .

The aforementioned preset trajectory includes a first stage in which the door body 10 moves away from or close to the hinge assembly 100 during rotation and a second stage in which the door body 10 only rotates. Specifically, when the door body 10 is opened, the first stage in which the door body 10 rotates and moves away from the hinge assembly 100 is performed first, and then the second stage in which the door body 10 only rotates; when the door body 10 is closed In the process, the second stage in which the door body 10 only rotates is carried out first, and then the first stage in which the door body 10 rotates and moves closer to the hinge assembly 100 is carried out. During the opening and closing process of the door body 10, the movement of the hinge assembly 100 is completely opposite.

Specifically, as shown in Figure 2, Figure 3 and Figure 5, the hinge assembly 100 includes:

The hinge bracket 1 is fixed on the box body 20 and includes guide walls 11 and guide grooves 12 arranged at intervals;

The transmission assembly cooperates with the hinge bracket 1 to drive the door body 10 to move along a preset track, and the transmission assembly includes:

A hinge shaft 2, the door body 10 can rotate around the hinge shaft 2, in this embodiment, the door body 10 is pivotally connected to the hinge shaft 2;

Transmission shaft 3, the lower end of the transmission shaft 3 can be lifted and fixed to the door body 10, and the door body 10 can drive the transmission shaft 3 to move during the movement;

The transmission part 4 is connected with the hinge shaft 2, and in the first stage of opening the door, the transmission shaft 3 and the transmission part 4 are mutually positioned, as shown in Figure 4, the transmission part 4 is provided with the The limit shaft 41 that matches the guide groove 12 and the guide part 42 that cooperates with the guide wall 11. In this embodiment, in order to reduce friction, the guide part 42 and the transmission member 4. Pivot connection; the guide slot 12 has an initial end and an end, and when the door body 10 is closed, the limiting shaft 41 is at the initial end.

In the first stage when the door body 10 is opened, the door body 10 rotates around the hinge shaft 2. Since the transmission shaft 3 and the hinge shaft 2 are staggered, when the door body 10 rotates around the hinge shaft 2, the transmission shaft 3 will also move; because the transmission shaft 3 and the transmission member 4 are mutually positioned, the transmission shaft 3 will also move in the horizontal direction with the transmission member 4 when it moves, and then the guide part 42 and the guide wall 11 will move together. Under the cooperative action, the limit shaft 41 moves in the guide groove 12; and because the transmission member 4 is connected with the hinge shaft 2, when the transmission member 4 moves, the hinge shaft 2 is also in the horizontal direction Move to drive the door body 10 to move away from the hinge bracket 1 ; and during the movement, the bottom end of the transmission shaft 3 moves upward and gradually disengages from the transmission member 4 .

After the transmission shaft 3 breaks away from the transmission member 4, the door body 10 enters the second stage of the opening process, the limit shaft 41 moves to the end of the guide groove 12 and cannot move further along the guide groove 12, the hinge shaft 2 Relative to the box body 20 remains stationary; the transmission shaft 3 is completely separated from the transmission member 4, and the transmission member 4 also remains stationary relative to the box body 20, then in the second stage, the door body 10 and the transmission shaft 3 rotate together around the hinge axis 2 until the door body 10 is fully opened. In this embodiment, "fully open" means that the door body 10 is opened to be perpendicular to the door body 10 when it is closed.

In addition, the process of closing the door body 10 is completely opposite to the above-mentioned process, and first passes through the second stage, and then passes through the first stage, which will not be described in detail.

In addition, in this embodiment, the hinge shaft 2 is arranged on the side of the transmission shaft 3 away from the box body 20 , so that the transmission shaft 3 can be driven to rotate when the door body 10 rotates around the hinge shaft 2 . Moreover, the limiting shaft 41 is arranged between the hinge shaft 2 and the transmission shaft 3, so that the movement path of the transmission member 4 can be reduced, and the technical effect of the present invention can also be achieved.

In this embodiment, as shown in FIGS. 4 to 6 , the hinge bracket 1 protrudes upwards to form a boss 13 , the boss 13 includes an inclined surface 131 extending obliquely upward, and the transmission shaft 3 In one stage, it can be lifted up gradually under the resistance of the inclined surface 131 . Thus the bottom end of the transmission shaft 3 can gradually move upwards. Specifically, the inclined surface 131 of the boss 13 is arranged on the movement path of the transmission shaft 3 in the first stage, and the highest point of the inclined surface 131 is flush with the transmission member 4, so that the When the bottom end of the transmission shaft 3 reaches the highest point of the inclined surface 131 , the transmission shaft 3 is just flush with the transmission member 4 .

Of course, if the transmission shaft 3 moves upwards in other ways, such as the door body 10, there are several structures that can drive the transmission shaft 3 to move upward during the door rotation and opening process, and the purpose of the present invention can also be achieved.

The boss 13 also includes a sliding surface 132 extending from the highest point of the inclined surface 131. The sliding surface 132 is horizontal. In the second stage, the sliding surface 132 is against the transmission shaft 3 and makes the transmission shaft 3 Sliding on the sliding surface 132 . And, in the second stage, since the transmission member 4 and the transmission shaft 3 are disengaged from each other, the transmission member 4 is stationary relative to the box body 20, and the door body 10 drives the transmission shaft 3 in the Slide on the sliding surface 132 until the door body 10 is fully opened.

Specifically, as shown in FIG. 4 , the hinge bracket 1 includes a hinge plate 14 and a fixed plate 15 perpendicular to the hinge plate 14, the fixed plate 15 is fixed to the box body 20, and the guide wall 11 , the guide groove 12 and the boss 13 are all arranged on the hinge plate 14 . Specifically, the hinge plate 14 is directly formed with a first plate 141 and a second plate 142 parallel to each other, the first plate 141 is connected to the fixed plate 15, and the first plate 141 and the second plate 142 Some of them overlap each other. As shown in Figure 2 and Figure 3, the guide wall 11 is formed between the first plate 141 and the second plate 142, and the guide wall 11 is perpendicular to the first plate 141 and the second plate 142 . Both the guide groove 12 and the boss 13 are disposed on the second plate 142 , and the guide groove 12 is formed through the second plate 142 .

The guide groove 12 extends obliquely to the side where the door is opened relative to the fixing plate 15 , so that the hinge shaft 2 can move relative to the hinge plate 14 to a side away from obstacles. In this embodiment, the guide wall 11 also extends obliquely toward the side where the door is opened with respect to the fixing plate 15 , and the guide wall 11 and the guide groove 12 are not parallel to each other and extend away from each other. Of course, if the guide wall 11 extends in other directions or at other angles, such as being parallel to the fixing plate 15, as long as the above technical effect can be achieved, the object of the present invention can also be achieved.

As shown in Figure 4, a positioning groove 16 is also formed on the transmission member 4, and the transmission shaft 3 and the positioning groove 16 are mutually positioned so that when the transmission shaft 3 moves, the transmission member 4 can be driven in the horizontal direction. move. Specifically, in this embodiment, the positioning groove 16 is formed through and has an open shape, and engages with the transmission shaft 3 . Of course, if the positioning groove 16 is in the shape of a hole, the purpose of the present invention can also be achieved.

As shown in Figure 2 and Figure 3, the hinge assembly 100 also includes a connecting plate 5, the connecting plate 5 is arranged on the upper side of the transmission member 4, and the transmission shaft 3 and the hinge shaft 2 both pass through the The connecting plate 5 is set. The connecting plate 5 is used to connect the transmission shaft 3 and the hinge shaft 2, so as to maintain the relative distance between the transmission shaft 3 and the hinge shaft 2. In the second stage, the position of the transmission shaft 3 is checked. Precise limit.

As shown in FIGS. 4 to 6 , the hinge assembly 100 also includes a guide block 6 that is pivotally connected to the limit shaft 41, and the guide block 6 is adapted to the guide slot 12 and can guide Sliding in the groove 12, specifically, the guide block 6 is adapted to the guiding groove 12 and can slide in the guiding groove 12. As shown in FIG. 6 , the guide block 6 is elliptical, and the guide block 6 slides in the guide groove 12 to achieve a better guiding effect, so that the transmission member 4 can move along a certain track.

As shown in Figure 6, the transmission shaft 3 includes a shaft body 31, an elastic member 32 disposed on the shaft body 31, and a resisting block 33 below the elastic member 32, and the shaft body 31 runs through the Hold block 33. In the first stage, the resisting block 33 abuts against the elastic member 32 upwards, and causes the elastic member 32 to compress and deform. Specifically, the elastic member 32 is a spring, and the spring is sleeved on the outside of the shaft body 31. The upper end of the shaft body 31 is fixed on the door body 10, and the lower end is suspended, and the lower end of the shaft body 31 must be high. on the transmission member 4. Therefore, the resisting block 33 is sleeved on the outer side of the shaft body 31 and abuts against the lower side of the elastic member 32 . Therefore, in the first stage when the door body 10 is opened, the resisting block 33 slides on the inclined surface 131 of the boss 13, the resisting block 33 moves upward and gradually compresses the spring, so that the resisting The lower end of the block 33 is gradually lifted up and gradually separated from the transmission member 4 . In the second stage when the door body 10 is opened, the resisting block 33 slides on the sliding surface 132 of the boss 13, and the spring is always in a compressed state. In the first stage of closing the door body 10 , the spring pushes the resisting block 33 to slide down along the sliding surface 132 of the boss 13 . The elastic member 32 and the resisting block 33 further increase the stability of the hinge assembly 100 .

In summary, the present invention sets the hinge assembly 100, and the limit shaft 41 and the guide part 42 of the transmission member 4 move along the guide groove 12 and the guide wall 11 respectively, thereby driving the hinge shaft 2 to move, The hinge shaft 2 drives the door body 10 to move away from the hinge assembly 100 . Therefore, in the first stage of opening the door body 10, the door body 10 moves away from the hinge assembly 100 while rotating, so that in the second stage, the door body 10 will not touch the above-mentioned obstacles when it continues to rotate.

It should be understood that although the description is described according to the embodiments, not each embodiment only includes an independent technical solution, and this description of 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 of feasible embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. All equivalent embodiments or changes made without departing from the technical spirit of the present invention All should be included within the protection scope of the present invention.

Claims (10)

1. A hinge assembly, characterized in that it is used to connect a door body and a box body, so that the door body moves according to a preset track when it is opened or closed, and the preset track includes the door body during the rotation process. The first stage in which the door moves away from or close to the hinge assembly and the second stage in which the door body only rotates; The hinge assembly includes: The hinge bracket is fixed on the box body and includes guide walls and guide grooves arranged at intervals; The transmission assembly cooperates with the hinge bracket to drive the door body to move along the preset track, and the transmission assembly includes: hinge shaft; A transmission shaft, the lower end of which can be lifted and fixed to the door body; The transmission part is connected with the hinge shaft and positioned with the transmission shaft in the first stage of opening the door. The guide part matched with the guide wall; In the first stage of the door body opening process, the door body rotates around the hinge shaft, and drives the transmission part to move through the transmission shaft, and then under the cooperation of the guide part and the guide wall, the limit shaft Move in the guide groove, and then drive the door body to move away from the hinge bracket through the hinge shaft, and during the movement, the bottom end of the transmission shaft moves upward and gradually breaks away from the transmission member; After the transmission shaft disengages from the transmission member, the door body enters the second stage of the opening process, the limit shaft moves to the end of the guide groove, and the door body and the transmission shaft rotate around the hinge shaft to the door body fully open. 2. The door hinge assembly according to claim 1, characterized in that: the hinge bracket protrudes upwards to form a boss, the boss includes an inclined surface extending upwards, and the transmission shaft in the first stage The center can be gradually lifted up under the support of the inclined surface; the boss also includes a sliding surface extending from the highest point of the inclined surface, the sliding surface is horizontal, and in the second stage, the sliding surface resists The transmission shaft and makes the transmission shaft slide on the sliding surface. 3. The door hinge assembly according to claim 2, wherein the highest point of the inclined surface is flush with the transmission member. 4. The door hinge assembly according to claim 1, wherein the hinge bracket includes a hinge plate and a fixing plate perpendicular to the hinge plate, the fixing plate is fixed to the box body, and the guide The guide wall, the guide groove and the boss are all arranged on the hinge plate; the guide groove extends obliquely to the side where the door is opened relative to the fixed plate. 5. The door hinge assembly according to claim 1, wherein the hinge shaft is arranged on a side of the transmission shaft away from the box. 6. The door hinge assembly according to claim 1, characterized in that: the transmission member is formed with a positioning groove matching with the transmission shaft, so that the transmission member can drive the transmission member in the horizontal direction when the transmission shaft moves. move up. 7. The door hinge assembly according to claim 1, characterized in that: the hinge assembly further includes a connecting plate, the connecting plate is arranged on the upper side of the transmission member, and the transmission shaft and the hinge shaft All are set through the connecting plate. 8. The door hinge assembly according to claim 1, wherein the limiting shaft is disposed between the transmission shaft and the hinge shaft. 9. The door hinge assembly according to claim 1, wherein the transmission shaft comprises a shaft body, an elastic member disposed on the shaft body, and a resisting block under the elastic member, and the shaft body Through the abutting block, in the first stage, the abutting block abuts against the elastic member upwards, and compresses and deforms the elastic member. 10. A refrigerator, characterized in that the refrigerator comprises a box body and a door that opens and closes on the box body, and the refrigerator further includes a hinge assembly as claimed in any one of claims 1-9.