CN108166879A - Refrigerator - Google Patents

Abstract

The present invention provides a refrigerator, which includes a box body, a door body and a hinge assembly. The hinge assembly includes a hinge whose one end is fixed to the box body and the other end is rotatably connected to the door body through a hinge shaft. The hinge assembly also It includes a door opening adjustment mechanism, the door opening adjustment mechanism includes an adjustment rod whose first end is rotatably connected to the door body, and is fixed on the box body so as to limit the movement track of the adjustment rod when the door body is opened or closed. The movable fixing seat, the elastic member connecting the second end of the adjusting rod and the box body, when the door is closed, the elastic member is in a free state or the elastic member applies to the second end to drive the first With the force of the two ends moving in a direction away from the first end, the elastic member can act as a buffer when the door is opened to make the door open smoothly, and can prevent the door from not being closed tightly when the door is closed. The structure is simple and easy to use.

Description

refrigerator

technical field

The invention relates to the technical field of refrigerators, in particular to a refrigerator with a buffer structure.

Background technique

After the door of the existing refrigerator is closed, the internal space is refrigerated and cooled, and the internal air pressure will be lower than the external air pressure. Therefore, when the door is opened, a large force needs to be applied to open the door. Therefore, when the door is opened, the door will rotate rapidly due to the force and produce an instant impact, which is easy to be unstable to people or bottles in the refrigerator bottle holder. Food causes damage. Moreover, when closing the refrigerator door, excessive force may cause the door body to rebound, resulting in lax door closing, or too little force when closing the door may also result in lax door closing, resulting in air-conditioning leakage, resulting in energy waste.

In view of this, it is necessary to provide a refrigerator to solve the above problems.

Contents of the invention

The purpose of the present invention is to provide a refrigerator, which can play a buffering role when opening the door to make the door open smoothly, and prevent the door from not being closed tightly when closing the door. The refrigerator has a simple structure and is easy to use.

To achieve the above object, the present invention provides a refrigerator, including a box body, a door body and a hinge assembly, the hinge assembly includes a hinge whose one end is fixed to the box body and the other end is rotatably connected to the door body through a hinge shaft, The hinge assembly also includes a door opening adjustment mechanism, the door opening adjustment mechanism includes an adjustment rod whose first end is rotatably connected to the door body, fixed on the box body to limit the adjustment during the opening or closing process of the door body The movable fixed seat of the movable track of the rod, the elastic member connecting the second end of the adjustment rod and the box body, when the door is closed, the elastic member is in a free state or the elastic member moves toward the second end A force is applied to move the second end in a direction away from the first end.

As a further improvement of the present invention, the movable fixed seat includes a first gear member and a second gear member fixed on the bottom of the box body and arranged on both sides of the adjustment rod, the first gear member and the second gear member The distance between the second gear is not less than the width of any position of the adjustment rod; the second end of the adjustment rod is always located at the position where the first gear and the second gear are away from the door body side.

As a further improvement of the present invention, the end of the elastic member away from the adjustment rod is fixed on the side of the box body located on the side of the second gear away from the first gear, and the adjustment rod is close to the first gear. The side of the second gear is provided with a plurality of buffer grooves, when the door is closed, at least part of the buffer grooves are located on the side of the second gear away from the door; or the end of the elastic member away from the adjustment rod is fixed The box body is located on the side of the first gear away from the second gear, and the side of the adjustment rod close to the first gear is provided with a plurality of buffer grooves. When the door is closed, At least part of the buffer slot is located on a side of the first stop member away from the door body.

As a further improvement of the present invention, the buffer groove is an arc-shaped groove.

As a further improvement of the present invention, the first gear is the first rotating shaft of the first pulley fixed at the bottom of the box, and the second gear is the first rotation shaft of the second pulley fixed at the bottom of the box. The second rotating shaft, the adjusting rod is located between the first rotating shaft and the second rotating shaft.

As a further improvement of the present invention, the first pulley also has two first round wheels respectively arranged at both ends of the first rotating shaft, and the second pulley also has two round wheels respectively arranged at both ends of the second rotating shaft. For the second round wheel, the distance between the first round wheel and the second round wheel is smaller than the width of any part of the adjustment rod.

As a further improvement of the present invention, the movable fixed seat further includes a first baffle plate located on the side of the first pulley away from the adjustment rod, a second gear located on the side of the second pulley away from the adjustment rod Plate, bottom plate and cover plate connecting the first baffle plate and the second baffle plate, the bottom plate is installed on the bottom of the box, the first pulley and the second pulley are installed on the cover plate near the side of the bottom plate.

As a further improvement of the present invention, the movable fixed seat also includes two installation shafts installed on the side of the cover plate close to the bottom plate, and the first pulley and the second pulley sleeve are respectively sleeved on the The installation shaft, the movable fixed structure also includes a locking plate on the side of the first pulley and the second pulley away from the cover plate and connected to the two installation shafts.

As a further improvement of the present invention, the second end of the adjusting rod is detachably connected to the elastic member.

As a further improvement of the present invention, the elastic member is a spring.

The beneficial effects of the present invention are: the present invention converts the larger kinetic energy of the door body into elastic potential energy at the moment of opening the door by arranging the elastic member, so that the door body can be opened smoothly and prevents the The items are shaken and damaged during the door opening process, which increases the stability of the door body, and during the door closing process, the elastic potential energy is converted into kinetic energy, which provides assistance for the door body to close, ensuring that the door body and the box body are tight Closed to ensure the storage effect of the refrigerator, the structure is simple and the cost is low.

Description of drawings

Fig. 1 is the partial structure schematic diagram of refrigerator of the present invention;

Fig. 2 is an exploded view when the partial door body of the refrigerator shown in Fig. 1 is opened;

Fig. 3 is a schematic structural view of a partial door of the refrigerator shown in Fig. 1 when it is opened to an angle;

Fig. 4 is a structural schematic diagram of a partial door body of the refrigerator shown in Fig. 1 when it is opened to another angle;

Fig. 5 is a structural schematic diagram of the movable fixed seat shown in Fig. 1 being installed on the box body;

Fig. 6 is a sectional view along the direction A-A of the movable fixing seat shown in Fig. 5 .

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in FIGS. 1 to 6 , a refrigerator 100 of the present invention includes a box body 1 , a door body 2 , and a hinge assembly 3 , and the hinge assembly 3 is used to connect the box body 1 and the door body 2 .

The hinge assembly 3 includes a hinge 30 and a door opening adjustment mechanism 40 .

One end of the hinge 30 is fixed to the box body 1 and the other end is rotatably connected to the door body 2 through a hinge shaft 31 . The hinge assembly 3 also includes a gasket 32 installed between the door body 1 and the hinge 30, which reduces the damage caused by the friction of the door body 2 during the multiple openings of the door body 2 and prolongs the door body. 2 service life.

The door opening adjustment mechanism 40 includes an adjustment rod 41 whose first end 411 is rotatably connected to the door body, and is fixed on the box body 1 to limit the movement track of the adjustment rod 41 when the door body 2 is opened or closed. The movable fixed seat 42 of.

The first end 411 of the adjustment rod 41 is connected to the door body 2 through a transmission shaft 413 , and the transmission shaft 413 is rotationally connected to the first end 411 of the adjustment rod 41 and/or the door body 2 . In this embodiment, two ends of the transmission shaft 413 are respectively rotatably connected with the first end 411 of the adjustment rod 41 and the door body 2 . But in some other embodiments, one end of the transmission shaft 413 can be fixed to the first end 411 of the adjustment rod 41 , and the other end of the transmission shaft 413 is rotatably connected with the door body 2 . In other embodiments, one end of the transmission shaft 413 is rotatably connected to the first end 411 of the adjustment rod 41 , and the other end of the transmission shaft 413 is fixed to the door body 2 . The door body 2 is provided with a hinged fixed plate 21 at its bottom, and the hinge 30 and the first end of the adjustment rod 41 pass through the hinge shaft 31, the transmission shaft 413 and the hinged fixed plate 21 respectively. Turn to connect.

The movable fixed seat 42 includes a first gear member and a second gear member fixed to the bottom of the box body 1 and arranged on both sides of the adjustment rod 41, and the difference between the first gear member and the second gear member is The distance between them is not less than the width of any part of the adjustment rod 41, and the second end 412 of the adjustment rod 41 is always located on the side away from the door body of the first stopper and the second stopper. Specifically, the center point between the first stopper and the second stopper is at a distance from the first end 411 of the adjustment rod 41 when the door body 2 is opened to an angle perpendicular to the box body 1 The distance is less than the linear distance from the first end 411 to the second end 412 of the adjusting rod 41 . That is, the adjustment rod 41 is always located between the first gear member and the second gear member, and the first gear member is used to limit the movement of the adjustment rod 41 away from the central axis of the refrigerator 100, so The second gear is used to limit the movement of the adjusting rod 41 toward the central axis of the refrigerator 100 , thereby limiting the movement track of the adjusting rod. The structure is simple and highly flexible.

In this embodiment, the first gear member is the first rotating shaft 4211 of the first pulley 421 fixed at the bottom of the box body 1, and the second gear member is the first rotating shaft 4211 fixed at the bottom of the box body 1. The second rotating shaft 4221 of the second pulley 422. The first pulley 421 also has two first round wheels 4212 which are respectively arranged at two ends of the first rotating shaft 4211, and the second pulley 422 also has two second round wheels 4212 which are respectively arranged at two ends of the second rotating shaft 4221. The round wheel 4222, the distance between the first round wheel 4212 and the second round wheel 4222 is smaller than the width of any part of the adjustment rod 41, so as to limit the rotation of the adjustment rod 41 along the direction parallel to the first The axial movement of the shaft 4211 makes the adjusting rod 41 located between the first rotating shaft 4211 and the second rotating shaft 4221 .

The movable fixed base 42 also includes a first baffle plate 423 located on the side of the first pulley 421 away from the adjustment rod 41 , and a second baffle plate located on the side of the second pulley 422 away from the adjustment rod 41 424, the bottom plate 425 and the cover plate 426 connecting the first baffle plate 421 and the second baffle plate 424, two installation shafts 427 installed on the side of the cover plate 426 close to the bottom plate 425, located on both sides The installation shaft 427 is away from the cover plate 426 side and is connected to the locking plate 428 of the installation shaft 427, the bottom plate 425 is installed at the bottom of the box body 1, the first rotation shaft 4211, the second rotation shaft The shafts 4221 are sleeved on the installation shafts 427 to install the first pulley 421 and the second pulley 422 on the side of the cover plate 426 close to the bottom plate 425 . During the door opening process, the first pulley 421 and/or the second pulley 422 will rotate under the action of the adjustment rod 41 to generate air flow, which disturbs dust or lighter hair thin threads and other substances, and the first baffle plate 423, the second baffle plate 424, the cover plate 426 and the locking plate 428 are used to reduce the excess material entering between the first pulley 421, the second pulley 422 and the installation shaft 427 due to air flow disturbance, and keep the first pulley 421, the second pulley 422 rotates flexibly, and prevents objects from being twisted into the first pulley 421 and the second pulley 422 during rotation, causing damage to the objects or injury to personnel.

The door opening adjustment mechanism 40 also includes a limit protrusion 43 fixed on the hinge 30 and/or the box body 1 to cooperate with the adjustment rod 41 to limit the opening angle of the door body 1 , the hinge 30 and the /or the box body 1 has a plurality of limiting holes 33 for installing the limiting protrusions 43 . When the position-limiting protrusion 43 is located in different position-limiting holes 33, the refrigerator 100 has different maximum door opening angles, and the user can install the position-limiting protrusion 43 to set a suitable position for the door body 2 according to needs. The maximum door opening angle maximizes the use of the placement space and avoids damage to the door body 2 caused by bumping.

The limiting hole 33 is disposed on a side of the hinge 30 away from the central axis of the box body 2 . Moreover, the plurality of limiting holes 33 are arranged in an arc shape.

The inner surface of the limiting hole 33 is provided with an internal thread, and at least part of the outer surface of the limiting protrusion 43 is provided with an external thread that cooperates with the internal thread. The bit hole 33 is threaded, and the user can disassemble and install it conveniently and quickly.

The door opening adjustment mechanism 40 also includes an elastic member 44 connecting the second end 412 of the adjustment rod 41 and the box body 1. When the door body 2 is closed, the elastic member 44 is in a free state or the elastic member 44 applies a force to the second end 412 to drive the second end 412 to move away from the first end 411 . There is an air pressure difference inside and outside the refrigerator 100. When the user uses a relatively large force to open the door 2, the kinetic energy of the door 2 at the moment of opening can be converted into elastic potential energy, so as to prevent the impact caused by opening the door too fast at this moment. Avoid damage to items stored on the door; and the elastic member 44 can provide assistance when the door 2 is closed, preventing the door 2 and the box 1 from being closed tightly, resulting in cold air leakage.

The end of the elastic member 44 away from the adjusting rod 41 is fixed on the side of the box body 1 where the second gear is away from the first gear, and the adjusting rod 41 is close to the second gear A plurality of buffer grooves 414 are provided on the side of the door body. When the door body is closed, at least part of the buffer grooves 414 are located on the side of the second stop member away from the door body 2 . During the opening process of the door body 2, the elastic member 44 exerts a pulling force on the adjusting rod 41, and the buffer groove 414 fits on the second gear member, as shown in Fig. 3 and Fig. 4 . As shown, the adjustment rod 41 is affected by frictional force, and the friction force is affected by the direction of the pulling force and the angle between the adjustment rod 41 . As the door opening angle increases, the deformation of the elastic member 44 increases and the pulling force increases. If the door body rebounds, the friction force can offset part of the pulling force or all the pulling force, preventing the door body 2 from quickly rebounding and causing damage to the refrigerator 100 and the user. . For example, when the pulling force is greater than the frictional force, rebound occurs, and the acceleration produced by the frictional force offsetting part of the pulling force will be smaller than when there is no buffer groove 414, and as the deformation of the elastic member 44 becomes smaller, the pulling force becomes smaller, the The frictional force will be equal to or greater than the pulling force, making it decelerate and rebound, thereby preventing the door body 2 from rebounding quickly. At the same time, the buffer tank 414 increases the rebound stroke, increasing the reaction time of the user so as to avoid damage to the refrigerator 100 and the user.

In other embodiments, the end of the elastic member 44 away from the adjustment rod 41 may also be fixed on the side of the box body 1 where the first stopper is far away from the second stopper. Correspondingly, the A plurality of buffer grooves 414 are provided on the side of the adjusting rod 41 close to the first gear member. When the door is closed, at least part of the buffer grooves are located on the side of the first gear member away from the door body.

In this embodiment, the first gear member is the first rotating shaft 4211 of the first pulley 421 fixed at the bottom of the box body 1, and the second gear member is the first rotating shaft 4211 fixed at the bottom of the box body 1. The second rotating shaft 4221 of the two pulleys 422, the first rotating shaft 4211 and the second rotating shaft 4221 can rotate with the movement of the adjusting rod 41, so that the adjusting rod moves during the door opening process flexible. And the frictional force affecting the movement of the adjusting rod 41 comes from the frictional force suffered by the first rotating shaft 4211 or the second rotating shaft 4221 during the rotation process, which avoids the wearing of the adjusting rod 41 .

The buffer groove 414 is an arc-shaped groove. The elastic member 44 is a spring. The structure is simple and convenient for processing and manufacturing.

The second end 412 of the adjusting rod 41 is detachably connected to the elastic member 44 , and the user can choose whether to use the elastic member 44 or not. In this embodiment, the second end 412 of the adjustment rod 41 is provided with a hole 415, and the elastic member 44 is provided with a hook 441 close to the second end 412 of the adjustment rod 41, and the hook 441 can be hooked on On the hole 415, the operation is simple and convenient.

In summary, by setting the elastic member 44 in the present invention, the larger kinetic energy of the door body 2 at the moment of opening the door is converted into elastic potential energy, so that the door body 2 can be opened smoothly, preventing storage in the door body 2 The items on the door shake and become damaged during the door opening process, which increases the stability of the door body 2, and during the door closing process, the elastic potential energy is converted into kinetic energy, which provides assistance for the closing of the door body 2, ensuring that the door body 2 and The box body 1 is tightly closed to ensure the storage effect of the refrigerator 100, and has a simple structure and low cost.

The above embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced. Without departing from the spirit and scope of the technical solution of the present invention.

Claims (10)

1. A refrigerator, comprising a box body, a door body and a hinge assembly, the hinge assembly includes a hinge whose one end is fixed to the box body and the other end is rotatably connected to the door body through a hinge shaft, characterized in that: the hinge The assembly also includes a door opening adjustment mechanism, the door opening adjustment mechanism includes an adjustment rod whose first end is rotatably connected to the door body, fixed on the box body to limit the movement of the adjustment rod during the opening or closing process of the door body The movable fixed seat of the track, the elastic piece connecting the second end of the adjustment rod and the box body, when the door is closed, the elastic piece is in a free state or the elastic piece applies a driving force to the second end The second end moves in a direction away from the first end. 2. The refrigerator according to claim 1, characterized in that: the movable fixed seat includes a first gear member and a second gear member fixed on the bottom of the box body and arranged on both sides of the adjustment rod, the The distance between the first stopper and the second stopper is not less than the width of any part of the adjustment rod; the second end of the adjustment rod is always located between the first stopper and the second stopper. The side of the stopper away from the door body. 3. The refrigerator according to claim 2, characterized in that: the end of the elastic member away from the adjusting rod is fixed on the side of the box body where the second stopper is away from the first stopper, A plurality of buffer grooves are provided on the side of the adjusting rod close to the second gear member. When the door body is closed, at least part of the buffer grooves are located on the side of the second gear member away from the door body; or the elastic member The end far away from the adjustment rod is fixed on the side of the box body located on the side of the first gear away from the second gear, and the side of the adjustment rod close to the first gear is provided with a plurality of As for the buffer groove, when the door body is closed, at least part of the buffer groove is located on the side of the first gear away from the door body. 4. The refrigerator according to claim 3, wherein the buffer groove is an arc groove. 5. The refrigerator according to claim 2, characterized in that: the first gear member is the first rotating shaft of the first pulley fixed at the bottom of the box, and the second gear member is fixed on the The second rotating shaft of the second pulley at the bottom of the box body, the adjusting rod is located between the first rotating shaft and the second rotating shaft. 6. The refrigerator according to claim 5, characterized in that: the first pulley also has two first round wheels respectively arranged at both ends of the first rotating shaft, and the second pulley also has two first round wheels respectively arranged at the two ends of the first rotating shaft. Two second round wheels at both ends of the second rotating shaft, the distance between the first round wheel and the second round wheel is smaller than the width of any part of the adjustment rod. 7. The refrigerator according to claim 5, wherein the movable fixed base further comprises a first baffle plate located on the side of the first pulley far away from the adjusting rod, and a first baffle plate located on the side far away from the second pulley The second baffle plate on one side of the adjustment rod, the bottom plate and the cover plate connecting the first baffle plate and the second baffle plate, the bottom plate is installed on the bottom of the box, the first pulley, the second baffle plate Two pulleys are installed on the side of the cover plate close to the bottom plate. 8. The refrigerator according to claim 7, wherein the movable fixed base further includes two installation shafts installed on the side of the cover plate close to the bottom plate, the first pulley, the second The two pulley sleeves are sleeved on the installation shaft respectively, and the movable and fixed structure further includes a locking plate located on the side of the first pulley and the second pulley away from the cover plate and connected to the two installation shafts. 9. The refrigerator according to claim 1, characterized in that: the second end of the adjusting rod is detachably connected to the elastic member. 10. The refrigerator according to claim 1, wherein the elastic member is a spring.