Automatic door opening refrigerator suspension stop structure, automatic door opening refrigerator and application method thereof

Abstract

The application provides a suspension stop structure of an automatic door opening refrigerator, the automatic door opening refrigerator and an application method thereof, and comprises a stop shaft, a stop block comprising a body and a function groove arranged on the body, the body rotates with a refrigerator door body, and the stop shaft can be interference-fitted into the function groove; the function groove comprises a stop portion and a suspension portion, when the door body is at a first opening angle, the stop shaft is located in the stop portion, when the door body is at a second opening angle, the stop shaft is located in the suspension portion, and the interference amount of the suspension portion to the stop shaft is greater than the interference amount of the stop portion to the stop shaft. The application can not only realize the stop function when a smaller opening angle is performed, but also realize the suspension of the door body at any position when a larger opening angle is needed, thereby improving the application range of the refrigerator, avoiding the vibration damage and safety hazards caused by the impact and rebound of the door body after automatic rebounding, and further having the advantages of convenient operation, simple structure, strong applicability, long service life, rich functions, flexible use and the like.

Description

Technical Field

[0001] This invention relates to the field of refrigerators, specifically to an automatic door opening refrigerator suspension and stopping structure, an automatic door opening refrigerator, and its application method. Background Technology

[0002] In the current field of refrigerator technology, side-by-side refrigerators with automatic door opening have become an important innovation for improving the convenience of family life. These refrigerators typically rely on an electrically driven push rod mounted on the top to achieve automatic door opening. However, this technology has certain limitations in practical applications.

[0003] Firstly, in current designs, after the refrigerator door is pushed open by the electric actuator, the lack of effective limiting measures causes the door's axial edge to strike the refrigerator body at a relatively high speed due to the inertia of opening. This impact not only generates significant noise but also causes the door to rebound due to inertia. This rebound not only causes items inside the refrigerator to shake, potentially damaging fragile items or shifting food, but also may cause accidental injury to the user. If users do not notice the rapidly rebounding door when approaching the refrigerator, they are easily bumped by the door edge, which not only reduces user satisfaction but also increases safety hazards in the home. Furthermore, frequent impacts between the door and the refrigerator body may damage the refrigerator's sealing performance. In the long run, this may lead to a decrease in the refrigerator's insulation effect, increased energy consumption, and is detrimental to energy conservation, emission reduction, and environmental protection.

[0004] Furthermore, existing automatic refrigerator doors, once opened to a certain angle, often fail to maintain a stable stop at the desired position. This not only limits the refrigerator's functionality but also causes numerous inconveniences. For example, when a user attempts to find or place items inside the refrigerator, if the door cannot be secured in the correct position, the user may need to operate the door with one hand while simultaneously retrieving or placing items with the other. This is not only cumbersome but may also cause damage or items to fall. Additionally, when the door cannot stop, it may suddenly close due to a slight touch from the user, further complicating the user experience. Summary of the Invention

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the problem that the automatic refrigerator door cannot stop and hover in the prior art, and to provide an automatic door opening refrigerator with a hovering and stopping structure and an automatic door opening refrigerator and its application method.

[0006] To solve the above-mentioned technical problems, the present invention provides an automatic door opening refrigerator hovering and stopping structure, which includes: a stop shaft connected to the refrigerator hinge; a stop block including a body and a functional slot disposed on the body, the body being connected to the lower cover of the refrigerator door and rotating synchronously with the refrigerator door, the stop shaft being interference-fitted into the functional slot and movable relative to the functional slot; the functional slot including a stop portion and a hovering portion, wherein when the door is at a first opening angle, the stop shaft is located in the stop portion, and when the door is at a second opening angle, the stop shaft is located in the hovering portion, wherein the first opening angle is smaller than the second opening angle, and the interference of the hovering portion on the stop shaft is greater than the interference of the stop portion on the stop shaft.

[0007] In one embodiment of the present invention, the first opening angle is 85°~90°, and the interference of the stop part with the stop shaft is 0~0.4mm; the second opening angle is 90°~105°, and the interference of the hovering part with the stop shaft is not less than 0.4mm.

[0008] In one embodiment of the present invention, the functional slot further includes a transition portion, the transition portion and the stop portion are respectively located at both ends of the hovering portion on the moving path of the stop shaft. When the door is at the third opening angle, the stop shaft is located in the transition portion, and the interference of the hovering portion on the stop shaft is greater than the interference of the transition portion on the stop shaft.

[0009] In one embodiment of the present invention, the third opening angle is 105°~110°, and the interference of the transition portion with the stop shaft is 0~0.4mm.

[0010] In one embodiment of the present invention, the stop portion is configured as a horn-shaped structure, and its interference with the stop shaft gradually increases in the direction close to the hovering portion; the transition portion is configured as a horn-shaped structure, and its interference with the stop shaft gradually decreases in the direction away from the hovering portion.

[0011] In one embodiment of the present invention, the stop block further includes a first interference stop and a second interference stop, the first interference stop and the second interference stop being spaced apart along the extension direction of the body to enclose the functional groove.

[0012] In one embodiment of the present invention, the stop shaft includes a shaft body and a limiting part. One end of the shaft body is connected to the hinge, and the other end passes through the functional groove. The limiting part is arranged around the shaft body and can abut against the first interference stop and / or the second interference stop.

[0013] The present invention also provides an automatic door opening refrigerator, which includes the above-mentioned automatic door opening refrigerator suspension stop structure, cabinet, door pushing mechanism, refrigerator door and hinge. The refrigerator door is rotatably connected to the cabinet, the hinge is fixedly connected to the cabinet, the door pushing mechanism is disposed between the cabinet and the refrigerator door, the automatic door opening refrigerator suspension stop structure is disposed between the refrigerator door and the hinge, its stop shaft is fixedly connected to the hinge, its stop block is connected to the refrigerator door and rotates synchronously with the refrigerator door.

[0014] This invention also provides a method for controlling the stopping and hovering of the door during the opening process of an automatic door-opening refrigerator. The method includes: Step S1, the refrigerator door opens to a first opening angle under the drive of a push-door mechanism. After the stop shaft enters the stop part, the interference of the stop part on the stop shaft gradually increases, and the refrigerator door gradually stops rotating; Step S2, the refrigerator door is further pushed to a second opening angle, causing the stop shaft to enter the hovering part from the stop part. The interference of the hovering part on the stop shaft is the same at any position, and the refrigerator door can hover at any position within the second opening angle; Step S3, the refrigerator door is further pushed until the stop shaft disengages from the hovering part, and the refrigerator door can open to its limit angle.

[0015] In one embodiment of the present invention, step S3 includes: step S31, continuing to push the refrigerator door to the third opening angle, so that after the stop shaft enters the transition part from the suspension part, the interference of the transition part on the stop shaft gradually decreases; step S32, continuing to push the refrigerator door until the stop shaft disengages from the transition part, after which the refrigerator door can be opened and closed to the limit angle.

[0016] The technical solution of the present invention has the following advantages compared with the prior art: The automatic door opening refrigerator's hovering and stopping structure, the automatic door opening refrigerator, and its application method described in this invention achieve automatic adjustment of the refrigerator door's state during opening and closing through the cooperation of the stop shaft and the functional slot at different positions. This allows the door to stop at small opening angles and hover at any position when a larger opening angle is required. This not only expands the refrigerator's applicability but also avoids vibration damage and safety hazards caused by the door's impact and rebound during automatic opening. Compared to conventional automatic door opening refrigerators, this application offers significant advantages such as convenient operation, simple structure, strong applicability, long service life, rich functionality, and flexible use. Attached Figure Description

[0017] To make the content of this invention easier to understand, the invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0018] Figure 1 This is an exploded structural diagram of the automatic door opening refrigerator suspension and stopping structure in a preferred embodiment of the present invention. Figure 2 Figure 1 The diagram shows the positional relationship between the stop block and the stop shaft when the automatic door opening refrigerator's suspension stop structure rotates from the closed state to the first opening angle. Figure 3 yes Figure 1 The diagram shows the positional relationship between the stop block and the stop shaft of the automatic door opening refrigerator's suspension stop structure when it rotates to the second opening angle. Figure 4 yes Figure 1 The diagram shows the positional relationship between the stop block and the stop shaft of the automatic door refrigerator's suspension stop structure when it rotates to the third opening angle. Figure 5 This is a diagram illustrating the opening process of an automatic door refrigerator. Figure 6 yes Figure 1 The diagram shows the statistical change in the interference of the functional slot with the stop shaft during the opening process of the automatic door opening refrigerator's suspension stop structure.

[0019] Explanation of reference numerals in the accompanying drawings: 100, stop block; 110, body; 120, functional groove; 121, stop part; 122, hovering part; 123, transition part; 130, first interference stop edge; 140, second interference stop edge; 200, stop shaft; 210, shaft body; 220, limiting part; 300, refrigerator door lower cover; 400, hinge; 500, refrigerator door. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments described are not intended to limit the present invention. Example 1

[0021] See Figure 1As shown, this embodiment provides an automatic door opening refrigerator suspension and stopping structure, which includes: a stop shaft 200 connected to a refrigerator hinge 400; and a stop block 100, which includes a body 110 and a functional slot 120 disposed on the body 110. The body 110 is connected to the lower cover 300 of the refrigerator door 500 and rotates synchronously with the refrigerator door 500. The stop shaft 200 can be interference-fitted into the functional slot 120 and is positioned relative to the functional slot 120. Movement; the functional slot 120 includes a stop part 121 and a hovering part 122. When the door is at a first opening angle, the stop shaft 200 is located in the stop part 121. When the door is at a second opening angle, the stop shaft 200 is located in the hovering part 122. The first opening angle is smaller than the second opening angle, and the interference of the hovering part 122 on the stop shaft 200 is greater than the interference of the stop part 121 on the stop shaft 200.

[0022] The automatic door opening refrigerator suspension and stopping structure described in this embodiment achieves automatic adjustment of the refrigerator door 500's state during opening and closing through the cooperation of the stop shaft 200 and the functional slot 120 at different positions. This allows the door to stop automatically when opening and closing at a small angle, and to stop at any position when a larger opening and closing angle is required. This not only improves the refrigerator's applicability but also avoids vibration damage and safety hazards caused by the door's impact and rebound during automatic opening. Compared to conventional automatic door opening refrigerator structures, this embodiment has significant advantages such as convenient operation, simple structure, strong applicability, long service life, rich functionality, and flexible use.

[0023] See Figure 1 As shown, in this embodiment, the stop block 100 is detachably connected to the lower cover 300 of the refrigerator door 500. It is sleeved on the refrigerator door hinge and rotates synchronously around the door hinge with the refrigerator door 500 during the opening and closing process. The stop shaft 200 is inserted into the hinge 400 and its installation position is fixed. Thus, the relative rotation process between the stop shaft 200 and the stop block 100 can be realized during the opening and closing of the door.

[0024] In this embodiment, the refrigerator door hinge and the functional slot 120 are respectively disposed on opposite sides of the body 110. The distance between the functional slot 120 and the door hinge is the same as the distance between the stop shaft 200 and the door hinge, thereby ensuring that the stop shaft 200 can move and be embedded inside the functional slot 120 during rotation. Furthermore, the stop block 100 in this embodiment also includes a first interference baffle 130 and a second interference baffle 140, which are spaced apart along the extension direction of the body 110 to surround the functional slot 120. Correspondingly, in order to improve the fit between the stop shaft 200 and the functional slot 120 and limit the specific assembly position of the stop shaft 200 at the height of the refrigerator, the stop shaft 200 in this embodiment includes a shaft body 210 and a limiting part 220. One end of the shaft body 210 is connected to the hinge 400, and the other end passes through the functional slot 120. The limiting part 220 is arranged around the shaft body 210 and can abut against the first interference stop 130 and / or the second interference stop 140, thereby improving the fit between the stop shaft 200 and the functional slot 120.

[0025] See Figures 2 to 4 As shown, the functional slot 120 in this embodiment is configured as an irregularly shaped slot, and its different positions can give the door different functions. When the refrigerator door 500 changes from the closed state to the maximum opening angle, the stop shaft 200 will pass through the stop part 121 and the hovering part 122 in sequence. The stop part 121 is used to restrict the door to stop moving within the first opening angle after the door is pushed. The hovering part 122 is used to allow the door to be hovered and fixed at any angle by external force when a larger opening angle is needed, thereby facilitating the operator to pick up or rummage for items. Furthermore, in order to enable the door to reach the maximum opening angle while restricting the door rotation, the functional slot 120 in this application also includes two ends. When the door is at the third opening angle, the stop shaft 200 is located in the transition part 123, and the interference of the hovering part 122 on the stop shaft 200 is greater than the interference of the transition part 123 on the stop shaft 200. Furthermore, in this embodiment, in order to achieve a uniform force application process on the stop shaft 200, both the stop portion 121 and the transition portion 123 are configured as trumpet-shaped structures. The amount of interference of the stop portion 121 on the stop shaft 200 gradually increases in the direction close to the hovering portion 122, and the amount of interference of the transition portion 123 on the stop shaft 200 gradually decreases in the direction away from the hovering portion 122.

[0026] See Figure 5 and Figure 6As shown, in this embodiment, during the rotation of the refrigerator door 500, the interference amount borne by the Mingqi stop shaft 200 gradually increases in the stop portion 121, remains stable in the hovering portion 122, and gradually decreases in the transition portion 123. Specifically, based on actual usage statistics, the first opening and closing angle in this application is 85°~90°, and the interference amount of the stop portion 121 on the stop shaft 200 is 0~0.4mm; the second opening and closing angle is 90°~105°, and the interference amount of the hovering portion 122 on the stop shaft 200 is 0.4mm; the third opening and closing angle is 105°~110°, and the interference amount of the transition portion 123 on the stop shaft 200 is 0~0.4mm. Thus, while realizing the corresponding stop and hovering function, the normal opening and closing of the door can also be ensured, and its service life can also be extended. In different embodiments, the specific opening and closing angle settings can be adaptively adjusted according to actual usage needs, and this invention does not impose specific limitations on this. Example 2

[0027] This embodiment provides an automatic door opening refrigerator, which includes the automatic door opening refrigerator suspension stop structure described in Embodiment 1, a cabinet, a door pushing mechanism, a refrigerator door 500, and a hinge 400. The refrigerator door 500 is rotatably connected to the cabinet, and the hinge 400 is fixedly connected to the cabinet. The door pushing mechanism is disposed between the cabinet and the refrigerator door 500. The automatic door opening refrigerator suspension stop structure is disposed between the refrigerator door 500 and the hinge 400. Its stop shaft 200 is fixedly connected to the hinge 400, and its stop block 100 is connected to the refrigerator door 500 and rotates synchronously with the refrigerator door 500. Example 3

[0028] This embodiment provides a method for controlling the stopping and hovering of the door of an automatic door-opening refrigerator during the opening process of the refrigerator described in Embodiment 1. The method includes: Step S1: The refrigerator door 500 is opened to the first opening angle under the drive of the door pushing mechanism. After the stop shaft 200 enters the stop part 121, the amount of interference between the stop part 121 and the stop shaft 200 gradually increases, and the refrigerator door 500 gradually stops rotating. Step S2: Continue to push the refrigerator door 500 to the second opening angle, so that the stop shaft 200 enters the hovering part 122 from the stop part 121. The interference of the stop shaft 200 is the same at any position of the hovering part 122, and the refrigerator door 500 can be hovered at any position within the second opening angle.

[0029] Step S3: Continue pushing the refrigerator door 500 until the stop shaft 200 disengages from the suspension part 122, at which point the refrigerator door 500 can continue to open and close to its limit angle. Further, step S3 in this embodiment specifically includes: Step S31: Continue pushing the refrigerator door 500 to the third opening angle, so that after the stop shaft 200 enters the transition part 123 from the suspension part 122, the interference of the transition part 123 on the stop shaft 200 gradually decreases. Step S32: Continue pushing the refrigerator door 500 until the stop shaft 200 disengages from the transition part 123, at which point the refrigerator door 500 can open and close to its limit angle of 180 degrees.

[0030] In summary, the automatic door-opening refrigerator's hovering and stopping structure, the automatic door-opening refrigerator, and its application method described in this invention achieve automatic adjustment of the refrigerator door 500's state during opening and closing through the cooperation of the stop shaft 200 and the functional slot 120 at different positions. This allows the door to stop automatically when opening and closing at a small angle, and to hover at any position when a larger opening and closing angle is required. This not only improves the refrigerator's applicability but also avoids vibration damage and safety hazards caused by the door's impact and rebound during automatic opening. Compared to conventional automatic door-opening refrigerators currently available, this application offers significant advantages such as convenient operation, simple structure, strong applicability, long service life, rich functionality, and flexible use.

[0031] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A hovering and stopping structure for an automatic door-opening refrigerator, characterized in that: include: A stop shaft, which is connected to the refrigerator hinge; A stop block includes a body and a functional slot disposed on the body. The body is connected to the lower cover of the refrigerator door and rotates synchronously with the refrigerator door. The stop shaft can be interference-fitted into the functional slot and moves relative to the functional slot. The functional slot includes a stop portion and a hovering portion. When the door is at a first opening angle, the stop shaft is located in the stop portion. When the door is at a second opening angle, the stop shaft is located in the hovering portion. The first opening angle is smaller than the second opening angle, and the interference of the hovering portion on the stop shaft is greater than the interference of the stop portion on the stop shaft.

2. The automatic door opening refrigerator suspension and stopping structure according to claim 1, characterized in that: The first opening angle is 85°~90°, and the interference of the stop part with the stop shaft is 0~0.4mm; the second opening angle is 90°~105°, and the interference of the hovering part with the stop shaft is not less than 0.4mm.

3. The automatic door opening refrigerator suspension and stopping structure according to claim 1, characterized in that: The functional slot also includes a transition section. The transition section and the stop section are located at the two ends of the hovering section on the moving path of the stop shaft. When the door is at the third opening angle, the stop shaft is located in the transition section, and the interference of the hovering section on the stop shaft is greater than the interference of the transition section on the stop shaft.

4. The automatic door opening refrigerator suspension and stopping structure according to claim 3, characterized in that: The third opening angle is 105°~110°, and the interference of the transition part on the stop shaft is 0~0.4mm.

5. The automatic door opening refrigerator suspension and stopping structure according to claim 3, characterized in that: The stop portion is configured as a horn-shaped structure, and its interference with the stop shaft gradually increases in the direction close to the hovering portion; the transition portion is configured as a horn-shaped structure, and its interference with the stop shaft gradually decreases in the direction away from the hovering portion.

6. The automatic door opening refrigerator suspension and stopping structure according to claim 1, characterized in that: The stop block further includes a first interference stop and a second interference stop, the first interference stop and the second interference stop being spaced apart along the extension direction of the body to enclose the functional groove.

7. The automatic door opening refrigerator suspension and stopping structure according to claim 6, characterized in that: The stop shaft includes a shaft body and a limiting part. One end of the shaft body is connected to the hinge, and the other end passes through the functional groove. The limiting part is arranged around the shaft body and can abut against the first interference stop and / or the second interference stop.

8. An automatic door-opening refrigerator, characterized in that: The refrigerator includes an automatic door opening refrigerator suspension stop structure, a cabinet, a door pushing mechanism, a refrigerator door, and a hinge, as described in any one of claims 1 to 7. The refrigerator door is rotatably connected to the cabinet, the hinge is fixedly connected to the cabinet, the door pushing mechanism is disposed between the cabinet and the refrigerator door, the automatic door opening refrigerator suspension stop structure is disposed between the refrigerator door and the hinge, its stop shaft is fixedly connected to the hinge, its stop block is connected to the refrigerator door and rotates synchronously with the refrigerator door.

9. A method for applying automatic door opening refrigerator suspension and stopping, characterized in that: The method for controlling the stopping and hovering of the door during the opening process of the automatic door-opening refrigerator as described in claim 8 includes: Step S1: The refrigerator door opens to the first opening angle under the drive of the door pushing mechanism. After the stop shaft enters the stop part, the interference of the stop part on the stop shaft gradually increases, and the refrigerator door gradually stops rotating. Step S2: Continue to push the refrigerator door to the second opening angle, so that the stop shaft enters the hovering part from the stop part. The amount of interference between the stop shaft and any position of the hovering part is the same. The refrigerator door can be hovered at any position within the second opening angle. Step S3: Continue to push the refrigerator door to the third opening angle until the stop shaft disengages from the transition part, and the refrigerator door can continue to open and close to the limit angle.

10. The automatic door opening refrigerator hovering and stopping application method according to claim 8, characterized in that: Step S3 includes: Step S31: Continue to push the refrigerator door to the third opening angle, so that after the stop shaft enters the transition part from the suspension part, the amount of interference of the transition part on the stop shaft gradually decreases; Step S32: Continue pushing the refrigerator door until the stop shaft disengages from the transition part, at which point the refrigerator door can be opened and closed to its limit angle.

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