A refrigerator

Abstract

The application belongs to the technical field of refrigeration and freezing equipment, and provides a refrigerator, which comprises a cabinet and a door body, the cabinet is provided with a door opening assisting structure, the door opening assisting structure comprises a push plate, a first elastic member and a trigger plate, the push plate is provided with a sliding block capable of rotating and moving synchronously with the push plate; the first elastic member is connected with the push plate and is used for driving the push plate to move in a first direction; the trigger plate is oppositely arranged with the push plate, the trigger plate is provided with a sliding rail and a trigger protrusion used for driving the sliding block to rotate, the trigger protrusion is oppositely arranged with the entrance of the sliding rail, the sliding block on the push plate can move in the sliding rail or between the entrance of the sliding rail and the trigger protrusion; the sliding block is arranged to have a first posture and a second posture which are switched by rotation; the door body is provided with a movable block triggered by external force, the movable block is used for pushing the push plate to drive the sliding block to move to the trigger protrusion so as to switch the posture of the sliding block. The application aims to solve the problem that the existing door opening structure of the refrigerator is difficult to open the door when both hands are occupied.

Description

Technical Field

[0001] This application belongs to the technical field of refrigeration and freezing equipment, and particularly relates to a refrigerator. Background Technology

[0002] In daily refrigerator use, it's impossible to open the door with both hands full. Users have to put their items aside (on the floor or table) to free one hand to open the door, then place the items inside one by one. This process prolongs the time the door is open, causing cold air to escape easily. After closing the door, the refrigerator needs to restart its cooling process to restore the original temperature, resulting in energy waste. Summary of the Invention

[0003] The purpose of this application is to provide a refrigerator to solve the technical problem that the door opening structure of the prior art refrigerator is difficult to open when both hands are occupied.

[0004] To achieve the above objectives, the technical solution adopted in this application is: to provide a refrigerator, including: a cabinet and a door.

[0005] The enclosure is equipped with a power-assisted door opening structure, which includes:

[0006] The push plate is equipped with a slider that can rotate and move synchronously with the push plate;

[0007] A first elastic element is connected to the push plate and is used to drive the push plate to move in a first direction when it is reset, the first direction being the opening direction of the door.

[0008] A trigger plate is disposed opposite to the push plate. The trigger plate is provided with a slide rail and a trigger protrusion for driving the slider to rotate. The trigger protrusion is disposed opposite to the inlet of the slide rail. The slider on the push plate can be embedded in the slide rail and move, or move between the inlet of the slide rail and the trigger protrusion.

[0009] The slider is configured to have a first posture and a second posture that can be switched by rotation. In the first posture, the slider can be stopped at the entrance of the slide rail. In the second posture, the slider can enter the slide rail from the entrance of the slide rail and move in the first direction.

[0010] The door body is provided with a movable block that can be triggered by external force. The movable block is used to push the push plate when triggered by external force to drive the slider to move onto the trigger protrusion, so that the slider changes its posture.

[0011] The beneficial effects of the refrigerator provided in this application are as follows: Compared with the prior art, the refrigerator in the embodiment of this application has a newly designed door-opening structure in the refrigerator body and a movable block for external force to trigger the door-opening structure to achieve door-opening assistance.

[0012] The assisted door opening structure includes a push plate and a trigger plate, with components on both plates interlocking and cooperating. Users can activate the assisted door opening structure by pressing a movable block on the door using a part of their body (such as an elbow or leg). The movable block pushes the push plate backward, causing a slider, which is positioned at the slide rail entrance, to move onto the trigger plate's trigger protrusion. The trigger protrusion then drives the slider to rotate, changing its posture. After changing posture, the slider smoothly slides into the slide rail, thus removing the limitation on the push plate's extension stroke. The push plate, under the force of a first elastic element, moves in the opening direction, pushing the door open, thus achieving assisted door opening, or semi-automatic door opening. This allows users to open the door without using their hands, instead using other parts of their body (such as an elbow or leg) by touch, effectively improving the user experience.

[0013] The mating structure of the slider and the trigger protrusion is improved. The slider is a rectangular block with a length greater than that of the slide rail inlet. The two short sides of the slider are constructed with symmetrically arranged triangular grooves. The trigger protrusion has a apex for contacting and mating with the slider. The apex can be inserted into the triangular groove of the slider or slide along the long side of the slider to drive the slider to rotate and switch its posture.

[0014] The above technical solution has the following advantages or beneficial effects:

[0015] When the apex engages with the triangular groove of the slider, the slider rotates and switches to its first position. As the slider moves towards the slide rail, its long side stops at the entrance of the slide rail, causing the push plate to retract into the housing. When the apex slides against the long side of the slider, it rotates and switches to its second position. This allows the slider to smoothly enter the slide rail from its entrance and move along the rail, enabling the push plate to extend smoothly out of the housing and assist in opening the door.

[0016] In one embodiment, the slide rail is formed by two long ribs extending along the length of the trigger plate, spaced apart. The gap between the two long ribs near the same end of the trigger protrusion forms the entrance of the slide rail. The apex of the trigger protrusion is located within the projection range of the entrance of the slide rail and is offset from the central axis between the two long ribs.

[0017] The above technical solution has the following advantages or beneficial effects:

[0018] When the slider comes into contact with the trigger protrusion, the apex of the trigger protrusion can push the slider to rotate along the outer periphery of the slider, thereby enabling the slider to change its posture.

[0019] In one embodiment, the end of the elongated rib is chamfered, and the chamfer is configured as a guide surface on the slide rail inlet.

[0020] The above technical solution has the following advantages or beneficial effects:

[0021] By using guide surfaces, the slider that is switching to the second posture can automatically correct its posture at the entrance of the slide rail and smoothly enter the slide rail, effectively improving the smoothness of the slider entering the slide rail.

[0022] The installation structure of the first elastic element is improved. The door-opening structure further includes an adjusting member for adjusting the elastic force of the first elastic element. The first elastic element is disposed between the end of the push plate and the adjusting member. The adjusting member is used to adjust the extension and retraction stroke of the first elastic element.

[0023] The above technical solution has the following advantages or beneficial effects:

[0024] The elastic force of the first elastic element can be adjusted by increasing or decreasing the extension stroke of the first elastic element through the setting of the adjustment component.

[0025] In one embodiment, the housing is further provided with a box for accommodating the door-opening structure, the box having a screw hole, and the adjusting member being installed in the screw hole of the box;

[0026] The adjusting component includes a limiting plate and a threaded head disposed on the limiting plate.

[0027] The limiting plate is disposed opposite to one end of the push plate, and the first elastic element is disposed between the end of the push plate and the limiting plate;

[0028] The threaded head is threaded into the threaded hole of the box body and protrudes from the threaded hole to the outside of the box body; the threaded head has an operating part protruding from the outside of the box body, the operating part being used to adjust the distance between the limiting plate and the end of the push plate.

[0029] The above technical solution has the following advantages or beneficial effects:

[0030] Users can use auxiliary tools such as screwdrivers to operate the operating part of the adjusting component to adjust the distance between the limit plate and the end of the push plate, thereby adjusting the compression strength of the first elastic element so that the first elastic element can output the corresponding elastic force, effectively meeting the opening force requirements of different door sizes, and thus improving the adaptability of the assisted opening structure.

[0031] The structure of the slider is improved, and the push plate is also provided with a first rotating shaft. The slider is sleeved on the first rotating shaft and can rotate around the first rotating shaft.

[0032] The above technical solution has the following advantages or beneficial effects:

[0033] The slider can move with the push plate and rotate when it contacts the trigger protrusion, thus quickly switching postures.

[0034] In one embodiment, the first rotating shaft is provided with a bearing, which is disposed between the inner wall of the central hole of the slider and the outer periphery of the first rotating shaft.

[0035] The above technical solution has the following advantages or beneficial effects:

[0036] Adding a bearing between the slider and the first rotating shaft helps to improve the smoothness of the slider's rotation.

[0037] The installation structure of the movable block is improved, and the door body is also provided with a mounting seat for installing the movable block. The mounting seat is provided with a latch and a second elastic element, and the latch has a second rotating shaft.

[0038] The movable block is provided with a retaining seat and a connecting shaft for connecting with the second elastic element. The retaining seat has a locking slot for engaging with the second rotating shaft.

[0039] The above technical solution has the following advantages or beneficial effects:

[0040] When pressed, the movable block can rotate and push against the door plate. After the pressing force is removed, it can return to its original position and act as the contact point for the push plate to spring the door open, allowing the entire door to be opened smoothly.

[0041] The structure of the box is improved, and the box is provided with at least two sets of the door-opening assist structure, and the push plate in each set of the door-opening assist structure is located within the pushing range of the movable block.

[0042] The above technical solution has the following advantages or beneficial effects:

[0043] Increasing the number of power-assisted opening structures in the enclosure helps to increase the overall output force of the power-assisted opening and improve the stability of the power-assisted opening. Attached Figure Description

[0044] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0045] Figure 1 This is a three-dimensional structural diagram of a refrigerator provided in an embodiment of this application;

[0046] Figure 2 This is a schematic diagram of the internal structure of a refrigerator provided in an embodiment of this application;

[0047] Figure 3 Exploded view of the assisted door opening structure provided in the embodiments of this application Figure 1 ;

[0048] Figure 4 Exploded view of the assisted door opening structure provided in the embodiments of this application Figure 2 ;

[0049] Figure 5 This is a schematic diagram of the slider's active state on the trigger plate provided in the embodiments of this application. Figure 1 ;

[0050] Figure 6 This is a schematic diagram of the slider's active state on the trigger plate provided in the embodiments of this application. Figure 2 ;

[0051] Figure 7 This is a three-dimensional structural diagram of the slider provided in an embodiment of this application;

[0052] Figure 8 This is a schematic diagram of the slider's active state on the trigger plate provided in the embodiments of this application. Figure 3 ;

[0053] Figure 9 This is a schematic diagram of the slider's active state on the trigger plate provided in the embodiments of this application. Figure 4 ;

[0054] Figure 10 This is a schematic diagram of the slider's active state on the trigger plate provided in the embodiments of this application. Figure 5 ;

[0055] Figure 11 This is a schematic diagram of the slider's active state on the trigger plate provided in the embodiments of this application. Figure 6 ;

[0056] Figure 12This is a schematic diagram of the slider's active state on the trigger plate provided in the embodiments of this application. Figure 7 ;

[0057] Figure 13 This is a schematic diagram of the slider's active state on the trigger plate provided in the embodiments of this application. Figure 8 ;

[0058] Figure 14 This is a schematic diagram of the slider's active state on the trigger plate provided in the embodiments of this application. Figure 9 ;

[0059] Figure 15 This is a schematic diagram of the slider's active state on the trigger plate provided in the embodiments of this application. Figure 10 ;

[0060] Figure 16 A schematic diagram of the assembly structure of the adjusting member, push plate, and first elastic member provided in the embodiments of this application;

[0061] Figure 17 A schematic diagram of a box body equipped with an adjusting component and a push plate, provided for an embodiment of this application;

[0062] Figure 18 A schematic diagram of the assembly structure of the push plate and adjusting component provided in the embodiments of this application;

[0063] Figure 19 This is a schematic diagram of the exploded structure of a refrigerator provided in an embodiment of this application;

[0064] Figure 20 for Figure 19 A magnified structural diagram of part A;

[0065] Figure 21 A three-dimensional structural diagram of the active block provided in an embodiment of this application;

[0066] Figure 22 for Figure 21 A magnified structural diagram of part B.

[0067] The following are the labeling elements in the figure:

[0068] 100-Assisted door opening structure;

[0069] 1-Box;

[0070] 2-Door body; 21-Mounting base; 22-Clamping lug; 221-Second pivot; 23-Second elastic element; 231-Fixing base;

[0071] 3-Push plate; 31-Slider; 310-Long side; 311-Triangular groove; 312-First rotating shaft; 313-Bearing; 32-First elastic element; 33-Mounting groove; 34-Sleeve shaft;

[0072] 4-Trigger plate; 41-Slide rail; 410-Inlet; 411-Rib; 412-Chamfer; 42-Trigger protrusion; 421-Top corner;

[0073] 5-Moving block; 51-Card holder; 511-Bayonet; 52-Connecting shaft;

[0074] 6-Adjusting component; 61-Limiting plate; 62-Threaded head; 621-Operating part;

[0075] 7-Box body; 71-Screw hole. Detailed Implementation

[0076] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0077] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0078] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0079] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0080] Currently, refrigerators on the market with assisted door opening mechanisms typically have door handles to facilitate opening the door.

[0081] However, in scenarios where both hands are occupied, users cannot open the door with their hands. A common example is when a user is holding food in both hands and preparing to put it in the refrigerator. They usually need to place the food on the floor or elsewhere and then use at least one hand to open the door. It's clear that when both hands are occupied, users need to free at least one hand to open the door, which is very inconvenient. Furthermore, it increases the time required to open the door, because after opening it, the food that was previously placed aside needs to be put into the refrigerator one by one. During this process, cold air can easily leak out of the refrigerator, causing it to need to restart its cooling process to restore the original refrigeration temperature after the door is closed, thus increasing energy consumption and wasting energy.

[0082] To address the above issues, some related technologies involve installing sensors on the outside of the refrigerator to detect vibration signals such as touch or knocking, thereby triggering the door to open. However, this sensor-based electronic triggering structure is complex, and the high cost of inductors significantly increases the refrigerator's production cost. In practical applications, this electronic triggering structure has low accuracy in identifying genuine "door open" signals, making judgment difficult and frequently resulting in false door openings. This leads to increased cold air leakage and energy consumption, resulting in poor actual performance.

[0083] Therefore, the applicant has painstakingly researched and designed a novel assisted door opening structure, breaking away from the conventional thinking of industry professionals (who traditionally use door handles or electronically controlled triggering structures to achieve assisted door opening). The applicant creatively proposes a refrigerator with assisted door opening functionality, employing a purely mechanical structure involving the coordination of components to achieve this triggering action. This effectively eliminates the low accuracy of the trigger signal detection inherent in electronically controlled triggering structures, which often leads to accidental door opening. It allows users to release their hands and use other parts of their body, such as their elbows or legs, to open the door, thus solving the problem of traditional refrigerators requiring manual opening, making it difficult to open when both hands are occupied. A detailed explanation follows.

[0084] Please refer to the following: Figure 1 , Figure 2 and Figure 3 The refrigerator includes a cabinet 1 and a door 2.

[0085] The box body 1 is provided with a door-assisting structure 100, which includes at least a push plate 3 and a trigger plate 4. The push plate 3 and the trigger plate 4 are arranged opposite to each other and close to each other, so that the various components provided on the push plate 3 and the trigger plate 4 can be interlocked and cooperate with each other.

[0086] The push plate 3 is provided with a slider 31 that can rotate and move synchronously with the push plate 3. This can be understood as the slider 31 having a central axis connected to the push plate, and the slider 31 being able to rotate around the central axis.

[0087] A first elastic element 32 is connected to one side of the push plate 3. The first elastic element 32 can preferably be a spring. This first elastic element 32 is used to drive the push plate 3 to move in the first direction F1 when it is in a reset state, or to compress the first elastic element 32 under external force to move the push plate 3 in the second direction F2. In this embodiment, as... Figure 3 As shown, "First Direction F1" is the opening direction of door 2; "Second Direction F2" can be understood as the opposite direction of First Direction F1, such as... Figure 5 As shown.

[0088] Please refer to the following: Figure 4 and Figure 5 The trigger plate 4 is provided with a slide rail 41 and a trigger protrusion 42 for driving the slider 31 to rotate. The trigger protrusion 42 is disposed opposite to the inlet 410 of the slide rail 41. Thus, as the door is opened, the slider 31 on the push plate 3 can be inserted into the slide rail 41 or move between the inlet 410 of the slide rail 41 and the trigger protrusion 42.

[0089] Slider 31 is configured to have a first posture and a second posture that can be switched by rotation, wherein, as Figure 6 As shown, slider 31 can stop at the inlet 410 of slide rail 41 in the first posture; as Figure 5 As shown, in the second posture, the slider 31 can smoothly enter the slide rail 41 from the entrance 410 and move in the first direction F1.

[0090] Please refer to the following: Figure 1 , Figure 3 and Figure 5 The door body 2 is provided with a movable block 5 for external force triggering (such as a part of the human body, such as the foot or elbow). The movable block 5 is used to push the push plate 3 when triggered by external force, so as to drive the slider 31 to move onto the trigger protrusion 42, so that the slider 31 rotates and switches its posture, thereby limiting or releasing the extension stroke of the push plate 3.

[0091] Compared with the prior art, the refrigerator provided in this application embodiment has a newly designed door-assisting structure 100 in the refrigerator body 1, and an active block 5 on the refrigerator door 2 for external force triggering (such as pressing operation) to trigger the door-assisting structure 100 to achieve door-assisting opening.

[0092] The assisted door opening structure 100 includes a push plate 3 and a trigger plate 4, with components on both plates interlocking and cooperating. Users can activate the assisted door opening structure 100 on the housing 1 by pressing a movable block 5 on the door 2 using a part of their body (such as an elbow or leg). The movable block 5 pushes the push plate 3 in the second direction F2, causing the slider 31, which is stopped at the entrance 410 of the slide rail 41, to move onto the trigger protrusion 42 of the trigger plate 4. The slider 31 is then driven by the trigger protrusion 42 to rotate, changing its posture. After changing posture, the slider 31 can smoothly slide into the slide rail 41, thus removing the limitation on the extension stroke of the push plate 3. Under the force of the first elastic element 32, the push plate 3 moves in the first direction F1, pushing the door 2 open, thus achieving assisted door opening, or semi-automatic door opening. This allows users to open the door without using their hands, but rather by touching it with other parts of their body (such as an elbow or leg), effectively improving the user experience.

[0093] Compared to related technologies that use sensors to detect external forces to trigger door opening, this structure places high demands on sensor performance, requiring expensive sensors and increasing costs. Otherwise, false triggering can easily occur, causing the door 2 to open frequently. In the refrigerator of this embodiment, the movable block 5 on the door 2 directly triggers the door-assisting opening structure 100 on the cabinet 1, realizing a mechanical triggering structure with pure component cooperation and linkage. This eliminates the false triggering issues that are prone to occur when using sensors, effectively improving the stability and reliability of triggering the door-assisting opening, and increasing the accuracy of triggering the door-assisting opening.

[0094] Furthermore, compared to structures that use a motor-driven gear to drive a rack and pinion to push the door, the electric door opening structure is prone to water damage and is susceptible to malfunctions due to the moisture content and constant freezing environment inside the refrigerator, resulting in a short service life. The assisted door opening structure 100 provided in this application utilizes the elastic force of the first elastic element 32 to drive the push plate 3 to directly open the door 2, and uses the rotation of the slider 31 to switch its posture, thereby limiting or unlocking the movement of the push plate 3. This replaces the traditional electric door pushing and unlocking method, effectively eliminating the risk of water damage and the effects of low temperatures, thus reducing the failure rate and extending the service life.

[0095] For the mating structure between the slider 31 and the trigger protrusion 42, please refer to one embodiment of this application. Figure 7 and Figure 8 The slider 31 is a rectangular block with a length greater than the entrance 410 of the slide rail 41. Both short sides of the slider 31 have triangular grooves 311 that are recessed into the middle of the slider 31.

[0096] The trigger protrusion 42 has a apex 421 for contacting and engaging with the slider 31. The apex 421 can be engaged in the triangular groove 311 of the slider 31 or slide along the long side a of the slider 31 to drive the slider 31 to rotate and change its posture.

[0097] In this embodiment, as Figure 7 and Figure 8 As shown, the slider 31 has triangular grooves 311 symmetrically arranged on two opposite long sides a and two other short sides, and all four corners of the slider 31 are acute angles.

[0098] When the slider 31 comes into contact with the trigger protrusion 42, as the slider 31 rotates, the apex 421 will slide on the two surfaces of any one of the corners of the slider 31. One side of the two surfaces of the corner will cause the apex 421 to slide into the triangular groove 311, and the other side will cause the apex 421 to slide against the long side a of the slider 31.

[0099] Thus, when the apex 421 engages with the triangular groove 311 of the slider 31, the slider 31 rotates and switches to its first posture. When the slider 31 moves towards the slide rail 41, its long side a stops at the entrance 410 of the slide rail 41, causing the push plate 3 to retract into the housing 1. When the apex 421 slides against the long side a of the slider 31, the slider 31 rotates and switches to its second posture. When the slider 31 moves towards the slide rail 41, it can smoothly enter the slide rail 41 from the entrance 410 and move along the slide rail 41, allowing the push plate 3 to smoothly extend out of the housing 1 to assist in opening the door.

[0100] Please refer to Figure 8 The slide rail 41 is formed by two long ribs 411 extending along the length of the trigger plate 4, which are spaced apart. The gap between the two long ribs 411 near the same end of the trigger protrusion 42 forms the entrance 410 of the slide rail 41.

[0101] The apex 421 on the trigger protrusion 42 is located opposite the entrance 410 of the slide rail 41 and within the projection range of the entrance 410. Moreover, the apex 421 is set off from the central axis S between the two long ribs 411.

[0102] Thus, when the slider 31 contacts the trigger protrusion 42, the apex 421 on the trigger protrusion 42 can push the slider 31 to rotate along the outer periphery of the slider 31, thereby enabling the slider 31 to switch postures.

[0103] Regarding the working principle of slider 31 and trigger protrusion 42:

[0104] Please refer to the following: Figure 6 , Figure 8 , Figure 9 , Figure 10 and Figure 11 First, the door 2 is in the closed state. At this time, the slider 31 is in the first posture, stuck on the entrance 410 of the slide rail 41. The first elastic element 32 retracts, and the push plate 3 is in the retracted state. Then, if the trigger block 5 pushes the push plate 3, the push plate 3 will move the slider 31 in the second direction F2, causing the slider 31 to move onto the trigger protrusion 42. Figure 8 As shown, when the slider 31 contacts the trigger protrusion 42, the apex 421 of the trigger protrusion 42 abuts against the slider 31 and slides along the long side a of the slider 31, causing the slider 31 to rotate to switch to the second posture, as shown. Figure 9 As shown; after the pressure of the movable block 5 disappears, the first elastic element 32 is released, and the first elastic element 32 drives the push plate 3 to pop out in the opening direction; as Figure 10 and Figure 11 As shown, after the slider 31, which has switched to the second posture, may be corrected at the entrance 410 of the slide rail 41, it smoothly enters the slide rail 41 and can move along the slide rail 41 in the first direction F1. This means that the push plate 3 is released and the door 2 is popped open, thus achieving assisted door opening.

[0105] Please refer to the following: Figure 12 , Figure 13 , Figure 14 and Figure 15 When the door 2 is closed again, it will drive the push plate 3 to move in the second direction F2, and the slider 31 will move again onto the trigger protrusion 42; as Figure 13 As shown, when slider 31 contacts trigger protrusion 42, since slider 31 is in the second posture, the triangular groove 311 on slider 31 faces the apex 421 of trigger protrusion 42. The apex 421 will engage with the triangular groove 311, causing slider 31 to rotate and switch to the first posture; as Figure 14 and Figure 15 As shown, the slider 31 in the first posture is positioned such that its long side a is greater than the inlet 410 of the slide rail 41, so that the slider 31 is stopped on the inlet 410 of the slide rail 41, thereby causing the push plate 3 to reset.

[0106] As can be seen, the assisted door opening structure 100 of this application embodiment cleverly utilizes the shape of the slider 31, allowing the slider 31 to engage with the apex 421 of the trigger protrusion 42, causing the slider 31 to rotate and thus switch its posture. This allows the slider 31 to be stopped at the entrance 410 of the slide rail 41, enabling the storage of the push plate 3; or, after switching postures, the slider 31 can smoothly enter the slide rail 41 and slide, releasing the push plate 3. This effectively controls the movement of the push plate 3, replacing the traditional electronic control method, which helps eliminate the risk of water damage, has a simple structure, and reduces production costs.

[0107] To improve the smoothness of the slider 31 sliding into the slide rail 41 after switching to the second posture, in one embodiment of this application, please refer to [the following text is also mentioned]. Figure 10 and Figure 11 The end of the long rib 411 is provided with a chamfer 412, which is constructed as a guide surface on the inlet 410 of the slide rail 41. The guide surface is used to enable the slider 31, which switches to the second posture, to automatically correct its posture on the inlet 410 of the slide rail 41 and smoothly enter the interior of the slide rail 41, effectively improving the smoothness of the slider 31 entering the interior of the slide rail 41.

[0108] In practical applications, to ensure the refrigerator's airtightness, a sealing strip or magnetic structure is generally provided between the refrigerator door 2 and the refrigerator body 1, so that the door 2 can be sealed to the refrigerator body 1 after closing. These sealing structures increase the difficulty of assisted opening, requiring sufficient pushing force to push the closed door 2 open. For the assisted opening structure 100 provided in this application embodiment, the key to the assisted opening force lies in the elastic force of the first elastic member 32. However, different specifications of door bodies 2 require different pushing forces, necessitating corresponding settings for the elastic force of the first elastic member 32.

[0109] Therefore, in another embodiment of this application, please refer to Figure 16 The door-opening structure 100 also includes an adjusting member 6 for adjusting the elastic force of the first elastic member 32. The first elastic member 32 is disposed between one end of the push plate 3 and the adjusting member 6. The adjusting member 6 is used for setting by a person to increase or decrease the extension stroke of the first elastic member 32, thereby adjusting the elastic force of the first elastic member 32.

[0110] In order to install the adjusting member 6 on the push plate 3, please refer to the following in this embodiment: Figure 16 , Figure 17 and Figure 18 The housing 1 is also provided with a box 7 for accommodating the assisted door opening structure 100. The box 7 is provided with a screw hole 71, and the adjusting component 6 is installed on the screw hole 71 of the box 7.

[0111] like Figure 17 and Figure 18 As shown, a mounting groove 33 for mounting the first elastic element 32 is opened on one corner of the push plate 3. One end of the mounting groove 33 is the end of the push plate 3. A sleeve shaft 34 for sleeved on the first elastic element 32 is added to this end to improve the coaxiality of the first elastic element 32 and prevent the first elastic element 32 from bending easily, which would affect the output strength of the elastic force.

[0112] At the other end of the mounting groove 33 is an adjusting member 6 installed on the screw hole 71 of the housing 7. The adjusting member 6 includes a limiting plate 61 and a threaded head 62 disposed on the limiting plate 61. The limiting plate 61 is disposed opposite to this end of the push plate 3. The first elastic member 32 is disposed between the end of the push plate 3 and the limiting plate 61.

[0113] The threaded head 62 on the limiting plate 61 is threaded into the threaded hole 71 and protrudes from the threaded hole 71 to the outside of the housing 7. The threaded head 62 has an operating part 621 that protrudes from the outside of the housing 7. As an example, such as Figure 17 As shown, the operating part 621 can preferably be a slotted or Phillips head on the end of the threaded head 62, so that a person can operate a slotted or Phillips head screwdriver to rotate the adjusting part 6 to adjust the distance between the limiting plate 61 and the end of the push plate 3, thereby adjusting the compression strength of the first elastic element 32, so that the first elastic element 32 can output the corresponding elastic force, effectively meeting the opening force requirements of different specifications of door body 2, and thus improving the adaptability of the assisted opening structure 100.

[0114] To further increase the force assisting in opening the door and the uniformity of the opening force, please refer to another embodiment of this application. Figure 2 The box body 1 is provided with at least two sets of assisted door opening structures 100, and the push plate 3 in each assisted door opening structure 100 is located within the pushing range of the movable block 5.

[0115] As an example, door opening force is typically designed with certain standards; even with door seals, the standard opening force is usually 50N. The single assisted door opening structure 100 in this embodiment can output a force of 25N. In this embodiment, as... Figure 2 As shown, the housing 1 is equipped with two assisted door opening structures 100. The two assisted door opening structures 100 can output force simultaneously, which can meet the installation requirements of different specifications of door 2 and housing 1 under the current production standards.

[0116] Therefore, increasing the number of power-assisted opening structures 100 in the housing 1 is beneficial to increasing the overall output force of the power-assisted opening and improving the stability of the power-assisted opening.

[0117] Regarding the slider 31 structure on the push plate 3, please refer to one embodiment of this application. Figure 3 and Figure 7 The push plate 3 is also provided with a first rotating shaft 312, and the slider 31 is sleeved on the first rotating shaft 312 and can rotate around the first rotating shaft 312. In this way, the slider 31 can move with the push plate 3 and rotate when it contacts the trigger protrusion 42, thereby quickly switching postures.

[0118] Preferably, lubricating oil can be added to the first rotating shaft 312 to improve the smoothness of the rotation of the slider 31.

[0119] Regarding the slider 31 structure on the push plate 3, please refer to another embodiment of this application. Figure 7 A bearing 313 is provided on the first rotating shaft 312, and the bearing 313 is disposed between the inner wall of the central hole of the slider 31 and the outer periphery of the first rotating shaft 312. Among them, the bearing 313 can preferably be a ball bearing, which is beneficial to improving the smoothness of the rotation of the slider 31.

[0120] Regarding the installation structure of the movable block 5 on the door body 2, please refer to one embodiment of this application. Figure 19 and Figure 20 The door body 2 is also provided with a mounting base 21 for installing the movable block 5. The mounting base 21 is provided with a latch 22 and a second elastic element 23. The second elastic element 23 can preferably be a spring. The latch 22 has a second rotating shaft 221.

[0121] Please refer to the following: Figure 21 and Figure 22 The movable block 5 is provided with a retaining seat 51 and a connecting shaft 52. The retaining seat 51 has a locking slot 511, which is used to engage with the second rotating shaft 221. The connecting shaft 52 on the movable block 5 is used to connect with the second elastic member 23.

[0122] In this embodiment, the mounting base 21 is a long strip frame with an opening on one side so that the movable block 5 can abut against the push plate 3 of the door-opening structure 100 when it rotates.

[0123] The mounting base 21 has at least two latches 22 inside its frame, each latch 22 having a second rotating shaft 221. The movable block 5 has the same number of latch seats 51, and the latching slots 511 on each latch seat 51 are respectively engaged with the second rotating shaft 221 on the latch ear 22. In this way, the movable block 5 can rotate by engaging the latch seat 51 with the second rotating shaft 221 on the latch ear 22 to press the push plate 3.

[0124] The mounting base 21 has two fixing seats 231 for the second elastic elements 23 inside its frame, and the second elastic elements 23 are mounted on the fixing seats 231. Correspondingly, the movable block 5 has the same number of connecting shafts 52 as the second elastic elements 23, and each connecting shaft 52 is sleeved with each of the second elastic elements 23. In this way, the elastic force of the second elastic elements 23 is used to make the movable block 5 return to its original state. The returned movable block 5 also serves as the contact point for the push plate 3 to push the door 2 open during the door opening process, allowing the entire door 2 to be opened smoothly.

[0125] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A refrigerator, characterized in that, include: The box and the door, The enclosure is equipped with a power-assisted door opening structure, which includes: The push plate is equipped with a slider that can rotate and move synchronously with the push plate; A first elastic element is connected to the push plate and is used to drive the push plate to move in a first direction when it is reset, the first direction being the opening direction of the door. A trigger plate is disposed opposite to the push plate. The trigger plate is provided with a slide rail and a trigger protrusion for driving the slider to rotate. The trigger protrusion is disposed opposite to the inlet of the slide rail. The slider on the push plate can be embedded in the slide rail and move, or move between the inlet of the slide rail and the trigger protrusion. The slider is configured to have a first posture and a second posture that can be switched by rotation. In the first posture, the slider can be stopped at the entrance of the slide rail. In the second posture, the slider can enter the slide rail from the entrance of the slide rail and move in the first direction. The door body is provided with a movable block that can be triggered by external force. The movable block is used to push the push plate when triggered by external force to drive the slider to move onto the trigger protrusion, so that the slider changes its posture.

2. The refrigerator according to claim 1, characterized in that: The slider is a rectangular block with a length greater than the slide rail inlet. The two short sides of the slider are constructed with symmetrically arranged triangular grooves. The trigger protrusion has a apex for contacting and engaging with the slider. The apex can be engaged in the triangular groove of the slider or slide along the long side of the slider to drive the slider to rotate and change its posture.

3. The refrigerator according to claim 2, characterized in that: The slide rail is formed by two long ribs extending along the length of the trigger plate, which are spaced apart. The gap between the same end of the two long ribs near the trigger protrusion forms the entrance of the slide rail. The apex of the trigger protrusion is located within the projection range of the entrance of the slide rail and is offset from the central axis between the two long ribs.

4. The refrigerator according to claim 3, characterized in that: The ends of the long ribs are chamfered, and the chamfers are configured as guide surfaces on the slide rail inlet.

5. The refrigerator according to claim 1, characterized in that: The door-opening structure further includes an adjusting member for adjusting the elastic force of the first elastic member. The first elastic member is disposed between the end of the push plate and the adjusting member. The adjusting member is used to increase or decrease the extension stroke of the first elastic member.

6. The refrigerator according to claim 5, characterized in that: The housing is also provided with a box for accommodating the door-opening structure. The box has screw holes, and the adjusting component is installed on the screw holes of the box. The adjusting component includes a limiting plate and a threaded head disposed on the limiting plate. The limiting plate is disposed opposite to one end of the push plate, and the first elastic element is disposed between the end of the push plate and the limiting plate; The threaded head is threaded into the threaded hole of the box body and protrudes from the threaded hole to the outside of the box body; the threaded head has an operating part protruding from the outside of the box body, the operating part being used to adjust the distance between the limiting plate and the end of the push plate.

7. The refrigerator according to claim 1, characterized in that: The push plate is also provided with a first rotating shaft, and the slider is sleeved on the first rotating shaft and can rotate around the first rotating shaft.

8. The refrigerator according to claim 7, characterized in that: The first rotating shaft is provided with a bearing, which is located between the inner wall of the central hole of the slider and the outer periphery of the first rotating shaft.

9. The refrigerator according to claim 1, characterized in that: The door body is also provided with a mounting base for installing the movable block. The mounting base is provided with a latch and a second elastic element. The latch has a second rotating shaft. The movable block is provided with a retaining seat and a connecting shaft for connecting with the second elastic element. The retaining seat has a locking slot for engaging with the second rotating shaft.

10. The refrigerator according to any one of claims 1 to 9, characterized in that: The housing is provided with at least two sets of the door-opening assist structures, and the push plate in each set of the door-opening assist structures is located within the pushing range of the movable block.

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