Self-locking device and device with door body

Abstract

The application belongs to the technical field of door body, and particularly relates to a self-locking device and a device with a door body. The self-locking device comprises: a first self-locking part arranged on the first frame, the first self-locking part comprising a first self-locking portion; a second self-locking part arranged on the second frame, the second self-locking part comprising a second self-locking portion locked with the first self-locking portion; and an elastic part, one end of which abuts against the second frame, and the other end of which abuts against the second self-locking portion. The self-locking device and the device with a door body realize self-locking of the door body, avoid the leakage of cold air of the refrigerator, save energy, and prolong the shelf life of food.

Description

Technical Field

[0001] This application belongs to the field of door technology, specifically relating to a self-locking device and a device with a door. Background Technology

[0002] After using the refrigerator, users will close the door. However, after the door is closed and no one is operating it, the door may open, causing the refrigerator to leak cold air severely, which in turn leads to energy waste and food spoilage. Summary of the Invention

[0003] To address the aforementioned technical problems, the present invention provides a self-locking device and a device with a door, which aims to at least partially solve the technical problem that the door may open after it has been closed and when no one is operating it.

[0004] The technical solution of this invention is as follows:

[0005] A self-locking device, characterized in that it comprises: a first self-locking member disposed on a first frame, the first self-locking member including a first self-locking portion; a second self-locking member disposed on a second frame, the second self-locking member including a second self-locking portion that cooperates with the first self-locking portion; and an elastic member, one end of which abuts against the second frame and the other end of which abuts against the second self-locking portion.

[0006] Since the first self-locking member is disposed on the first frame and includes a first self-locking part, and the second self-locking member is disposed on the second frame and includes a second self-locking part that locks with the first self-locking part, and one end of the elastic member abuts against the second frame and the other end abuts against the second self-locking part, the cabinet is disposed within the first frame and the door is disposed within the second frame. When the door is to be closed, under the elastic compression of the elastic member, the second self-locking part and the first self-locking part abut against each other, providing a self-locking force, so that the door can close automatically. When the door is in the closed state, the elastic member... Under the elastic compression of the elastic element, the second self-locking part and the first self-locking part lock together, providing a closing force to achieve the self-locking of the door. After the door is closed and no one operates it, the door will not open, avoiding cold leakage in the refrigerator, saving energy, and extending the shelf life of food. When the door needs to be opened, when the first frame moves relative to the second frame, the second self-locking part is pushed by the first self-locking part. The second self-locking part compresses the elastic element to deform, so that the second self-locking part can be released from the first self-locking part, allowing the second self-locking part to pass over the first self-locking part to release the lock and facilitate the opening of the door.

[0007] In some embodiments, under the elastic compression of the elastic member, the second self-locking part and the first self-locking part are locked together. When the first frame moves relative to the second frame, the second self-locking part is pushed by the first self-locking part, and the second self-locking part compresses the elastic member to deform, so as to release the second self-locking part from the first self-locking part.

[0008] When the door is to be closed, the second self-locking part and the first self-locking part collide under the elastic compression of the elastic element, providing a self-locking force so that the door can close automatically. When the door is closed, the second self-locking part and the first self-locking part lock together under the elastic compression of the elastic element, providing a closing force to achieve the self-locking of the door. After the door is closed, and no one operates it, the door will not open, avoiding cold leakage in the refrigerator, saving energy, and extending the shelf life of food. When the door is to be opened, when the first frame moves relative to the second frame, the second self-locking part is pushed by the first self-locking part. The second self-locking part compresses the elastic element to deform, so that the second self-locking part can be released from the first self-locking part, allowing the second self-locking part to pass over the first self-locking part to release the lock and making it easier to open the door.

[0009] In some embodiments, the self-locking device further includes a connector fixed to the first frame, the first frame and the second frame being rotatably connected by a hinge, and both the hinge and the first self-locking member being disposed on the connector, so that the first frame and the second frame can perform relative movements.

[0010] In some embodiments, the projections of the elastic element and the hinge element on the first frame do not intersect, so that the relative movement between the first frame and the second frame is smooth and without jerking or abnormal noise.

[0011] In some embodiments, the elastic element and the projection of the hinge element onto the first frame are parallel, so that the relative movement between the first frame and the second frame is smooth and without jerking or abnormal noise.

[0012] In some embodiments, the second self-locking member includes a fixing part connected to the second self-locking portion. The fixing part is fixed to the second frame and limits the second self-locking member to prevent it from falling off the second frame.

[0013] In some embodiments, a first chamber is provided within the second frame, and the fixing part is disposed within the first chamber. By accommodating the fixing part in the first chamber, the fixing part can be protected and prevented from being damaged by collisions with external equipment.

[0014] In some embodiments, the second self-locking member includes a limiting portion connected to the second self-locking part, one end of the elastic member abuts against the second frame, and the other end is sleeved on the limiting portion and abuts against the second self-locking part.

[0015] In some embodiments, the elastic element is a spring, the limiting portion is columnar, and the spring is sleeved on the limiting portion.

[0016] When the elastic member elastically presses against the second self-locking part or the second self-locking part presses against the elastic member, the extension and contraction of the elastic member both occur on the limiting part to limit the elastic member and ensure that the elastic member moves in the set direction.

[0017] In some embodiments, a second chamber is provided within the second frame, and both the elastic member and the limiting portion are disposed within the second chamber.

[0018] The second chamber houses the elastic element and the limiting part, protecting them from damage caused by collisions with external equipment.

[0019] In some embodiments, the first self-locking portion includes a first inclined surface and a second inclined surface, and the second self-locking portion includes a third inclined surface and a fourth inclined surface. The first inclined surface may abut against the third inclined surface, and the second inclined surface may abut against the fourth inclined surface. Under the elastic compression of the elastic member, the first inclined surface and the third inclined surface abut against each other, and the second self-locking portion and the first self-locking portion are locked together. When the first frame moves relative to the second frame, the second self-locking portion is pushed by the first self-locking portion, and the second self-locking portion compresses the elastic member to deform. The first inclined surface disengages from the third inclined surface, and the second inclined surface abuts against the fourth inclined surface, so as to facilitate the release of the second self-locking portion from the first self-locking portion.

[0020] In some embodiments, the length of the first inclined surface is greater than the length of the second inclined surface, and the length of the third inclined surface is greater than the length of the fourth inclined surface, so as to achieve quick closing of the door, while ensuring that the door closes securely.

[0021] Based on the same inventive concept, this application also provides a device with a door body, including the aforementioned self-locking device.

[0022] In some embodiments, the device further includes a housing, one of which, and the other, is disposed within the first frame and the other within the second frame. The first frame supports and protects the housing, while the second frame supports and protects the door.

[0023] In some embodiments, the device is one of a refrigerator, freezer, wine cabinet, cupboard, or display case.

[0024] The beneficial effects of the present invention include at least the following:

[0025] Since the first self-locking member is disposed on the first frame and includes a first self-locking part, and the second self-locking member is disposed on the second frame and includes a second self-locking part that locks with the first self-locking part, and one end of the elastic member abuts against the second frame and the other end abuts against the second self-locking part, the cabinet is disposed within the first frame and the door is disposed within the second frame. When the door is to be closed, under the elastic compression of the elastic member, the second self-locking part and the first self-locking part abut against each other, providing a self-locking force, so that the door can close automatically. When the door is in the closed state, the elastic member... Under the elastic compression of the elastic element, the second self-locking part and the first self-locking part lock together, providing a closing force to achieve the self-locking of the door. After the door is closed and no one operates it, the door will not open, avoiding cold leakage in the refrigerator, saving energy, and extending the shelf life of food. When the door needs to be opened, when the first frame moves relative to the second frame, the second self-locking part is pushed by the first self-locking part. The second self-locking part compresses the elastic element to deform, so that the second self-locking part can be released from the first self-locking part, allowing the second self-locking part to pass over the first self-locking part to release the lock and facilitate the opening of the door. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the self-locking device in this embodiment;

[0028] Figure 2 for Figure 1 A schematic diagram of the second frame of the self-locking device;

[0029] Figure 3 for Figure 1 A schematic diagram of the installation of the hinge of the self-locking device;

[0030] Figure 4 for Figure 3 Sectional view along axis AA;

[0031] Figure 5 for Figure 3 BB-direction sectional view;

[0032] Figure 6 for Figure 1 A schematic diagram showing the locking of the second self-locking part and the first self-locking part of the self-locking device;

[0033] Figure 7 for Figure 1 A schematic diagram of the unlocking process of the second and first self-locking parts of the self-locking device;

[0034] Figure 8 for Figure 1 A schematic diagram showing the locking and unlocking of the second and first self-locking parts of the self-locking device.

[0035] Figure 9 for Figure 1 A schematic diagram of the hinge component of the self-locking device.

[0036] In the attached image:

[0037] Hinged component 10;

[0038] First self-locking component 20, first self-locking part 201, first inclined surface 2011, second inclined surface 2012;

[0039] Second self-locking component 30, second self-locking part 301, fixing part 302, limiting component 303, third inclined surface 3011, fourth inclined surface 3012, bolt hole 3021;

[0040] Elastic element 40;

[0041] First frame 50;

[0042] Second frame 60, second chamber 601, first chamber 602;

[0043] Connector 70, slide 701. Detailed Implementation

[0044] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0045] This application is described below with reference to the accompanying drawings and specific embodiments:

[0046] The self-locking device provided in this embodiment aims to at least partially solve the technical problem that the door may open after it has been closed and is not operated by anyone.

[0047] Figure 1 This is a schematic diagram of the self-locking device in this embodiment; Figure 2 for Figure 1 A schematic diagram of the second frame of the self-locking device; Figure 3 for Figure 1 A schematic diagram of the installation of the hinge of the self-locking device; Figure 4 for Figure 3 Sectional view along axis AA; Figure 5 for Figure 3 BB-direction sectional view; Figure 6 for Figure 1 A schematic diagram showing the locking of the second and first self-locking parts of the self-locking device. (Combined with...) Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The self-locking device in this embodiment includes a first self-locking member 20, a second self-locking member 30, and an elastic member 40. The first self-locking member 20 is disposed on the first frame 50 and includes a first self-locking portion 201. The second self-locking member 30 is disposed on the second frame 60 and includes a second self-locking portion 301 that locks with the first self-locking portion 201. One end of the elastic member 40 abuts against the second frame 60, and the other end abuts against the second self-locking portion 301. Under the elastic compression of the elastic member 40, the second self-locking portion 301 and the first self-locking portion 201 are locked together. When the first frame 50 moves relative to the second frame 60, the second self-locking portion 301 is pushed by the first self-locking portion 201, and the second self-locking portion 301 deforms the elastic member 40 so that the second self-locking portion 301 can bypass the first self-locking portion 201 to release the lock.

[0048] Figure 7 for Figure 1 A schematic diagram of the unlocking process of the second and first self-locking parts of the self-locking device. Figure 8 for Figure 1 A schematic diagram showing the engagement and disengagement of the second and first self-locking parts of the self-locking device. (Combined with...) Figure 6 , Figure 7 and Figure 8In some embodiments, since the first self-locking member 20 is disposed on the first frame and includes a first self-locking part 201, and the second self-locking member 30 is disposed on the second frame 60 and includes a second self-locking part 301 that locks with the first self-locking part 201, and one end of the elastic member 40 abuts against the second frame 60 and the other end abuts against the second self-locking part 301, the box body is disposed within the first frame 50 and the door body is disposed within the second frame 60. When the door body is to be closed, under the elastic compression of the elastic member 40, the second self-locking part 301 and the first self-locking part 201 abut against each other, providing a self-locking force so that the door body can automatically close. In the closed state, under the elastic compression of the elastic member 40, the second self-locking part 301 and the first self-locking part 201 lock together, providing a closing force to achieve self-locking of the door. After the door is closed, and no one operates it, the door will not open, avoiding cold leakage in the refrigerator, saving energy, and extending the shelf life of food. When the door needs to be opened, when the first frame 50 moves relative to the second frame 60, the second self-locking part 301 is pushed by the first self-locking part 201. The second self-locking part 301 compresses the elastic member 40 to deform, so that the second self-locking part 301 can bypass the first self-locking part 201 to release the lock. The second self-locking part 301 passes over the first self-locking part 201 to release the lock, making it easier to open the door.

[0049] In some embodiments, the first frame 50 can rotate relative to the second frame 60, the second self-locking part 301 is pushed by the first self-locking part 201, and the second self-locking part 301 deforms the elastic member 40 to allow the second self-locking part 301 to bypass the first self-locking part 201 and release the lock. Alternatively, in other embodiments, the first frame 50 can move relative to the second frame 60, the second self-locking part 301 is pushed by the first self-locking part 201, and the second self-locking part 301 deforms the elastic member 40 to allow the second self-locking part 301 to bypass the first self-locking part 201 and release the lock.

[0050] Figure 9 for Figure 1 A schematic diagram of the hinge component of the self-locking device. (Combined with...) Figure 9 In some embodiments, to facilitate relative movement between the first frame 50 and the second frame 60, the first frame 50 and the second frame 60 are rotatably connected by a hinge 10. The hinge 10 can be a pivot.

[0051] In this embodiment, to support the first self-locking member 20, the self-locking device also includes a connector 70 fixed to the first frame 50. Both the hinge member 10 and the first self-locking member 20 are disposed on the connector 70. The connector 70 supports the first self-locking member 20, preventing the first self-locking member 20 from being directly connected to the first frame 50 and affecting the structural strength of the first frame 50. Specifically, the first self-locking member 20 is bonded to the side of the connector 70 to support it. Simultaneously, to enable movement between the first frame 50 and the second frame 60, the hinge member 10 is fixedly connected to the second frame 60. The connector 70 has a groove 701, and the hinge member 10 is slidably disposed within the groove 701. The groove 701 guides and limits the hinge member 10, allowing it to slide within the groove 701. The hinge member 10 then causes the second frame 60 to move, thus enabling movement between the first frame 50 and the second frame 60. Furthermore, since the groove 701 is formed on the connector 70, it avoids cutting grooves on the first frame 50, further ensuring the structural strength of the first frame 50. The connector 70 can be a connecting plate.

[0052] In this embodiment, the relative movement trajectory between the first frame 50 and the second frame 60 is consistent with the shape of the slide 701, ensuring smooth opening and closing of the refrigerator door.

[0053] In this embodiment, when the first frame 50 and the second frame 60 can move relative to each other, the second frame 60 drives the hinge 10 to slide in the slide groove 701. The slide groove 701 guides and limits the hinge 10, ensuring the stability of the rotation between the first frame 50 and the second frame 60.

[0054] In this embodiment, to ensure the stability of the movement between the first frame 50 and the second frame 60, there are multiple hinges 10 and multiple slides 701. However, from the perspective of ease of processing and cost saving, there are two hinges 10 and two slides 701.

[0055] In some embodiments, to facilitate relative movement between the first frame 50 and the second frame 60, a pivot hole can be formed in the connector 70, and one hinge member 10 is rotatably disposed within the pivot hole. Moreover, since the pivot hole is formed in the connector 70, it avoids the need to form a hole in the first frame 50, further ensuring the structural strength of the first frame 50.

[0056] In some embodiments, when the first frame 50 and the second frame 60 can move relative to each other, the second frame 60 drives the hinge 10 to rotate within the rotating hole, and the rotating hole limits the hinge 10 to ensure the stability of the rotation between the first frame 50 and the second frame 60.

[0057] Combination Figure 1 , Figure 6 , Figure 7 and Figure 8 In this embodiment, in order to ensure smooth relative movement between the first frame 50 and the second frame 60 without any jerking or abnormal noise, the projections of the elastic element 40 and the hinge element 10 on the first frame 50 do not intersect. That is, the direction of the force generated by the elastic element 40 is not coplanar with the actuation plane of the second frame 60. The elastic element 40 and the hinge element 10 are located in the same plane, i.e., the elastic element 40 is not perpendicular to the hinge element 10.

[0058] In this embodiment, when the first frame 50 and the second frame 60 move relative to each other, the force exerted by the elastic member 40 on the second self-locking member 30 will act on the first self-locking member 20 and will not be transmitted to the hinge member 10, thus preventing the hinge member 10 from touching the inner wall of the slide groove 701 or the rotating hole, ensuring smooth relative movement between the first frame 50 and the second frame 60 without any jerking or abnormal noise. When the elastic element 40 tilts, part of the force exerted by the elastic element 40 on the second self-locking element 30 is applied to the hinge element 10 through the first self-locking element 20. The force applied to the hinge element 10 is small and will only cause the hinge element 10 to move slightly within the slide groove 701 or the rotating hole. However, when the hinge element 10 is assembled onto the connector 70, there will be an assembly allowance between the hinge element 10 and the slide groove 701 or the rotating hole. This assembly allowance is greater than the movement distance of the hinge element 10, and the hinge element 10 will not touch the inner wall of the slide groove 701 or the rotating hole, ensuring smooth relative movement between the first frame 50 and the second frame 60 without any jerking or abnormal noise. Even if the assembly allowance is less than the moving distance of the hinge 10, the hinge 10 will contact the inner wall of the slide groove 701 or the rotating hole. Due to the buffering effect of the assembly allowance, the force generated between the hinge 10 and the inner wall of the slide groove 701 or the rotating hole will be very small and will not affect the relative movement between the first frame 50 and the second frame 60.

[0059] Combination Figure 1 , Figure 6 and Figure 8 In this embodiment, the elastic element 40 is parallel to the projection of the hinge element 10 onto the first frame 50, meaning that the direction of the force generated by the elastic element 40 is perpendicular to the rotation plane of the second frame 60. Specifically, the elastic element 40 is parallel to the hinge element 10 and perpendicular to the first self-locking element 20.

[0060] In this embodiment, when the first frame 50 and the second frame 60 move relative to each other, the elastic member 40 and the hinge member 10 are located on the same plane. The elastic member 40 drives the second self-locking member 30 to move. The force generated by the elastic member 40 on the second self-locking member 30 will not be transmitted to the hinge member 10 through the first self-locking member 20. That is, the hinge member 10 will not be pushed, thus avoiding the hinge member 10 from contacting the inner wall of the slide groove 701 or the rotating hole. The hinge member 10 rotates smoothly, ensuring smooth relative movement between the first frame 50 and the second frame 60 without any jerking or abnormal noise.

[0061] Combination Figure 1 , Figure 6 , Figure 7 and Figure 8 In this embodiment, the second self-locking member 30 includes a fixing part 302 connected to the second self-locking part 301, and the fixing part 302 is fixed to the second frame 60. In this embodiment, the fixing part 302 has a bolt hole 3021, and a bolt passes through the bolt hole 3021 to connect with the second frame 60. The fixing part 302 limits the second self-locking member 30, preventing the second self-locking member 30 from falling off the second frame 60.

[0062] In some embodiments, the housing is disposed within the first frame 50 and the door is disposed within the second frame 60. When the door is to be closed, the first frame 50 and the second frame 60 move relative to each other. Under the elastic compression of the elastic member 40, the second self-locking part 301 and the first self-locking part 201 abut against each other, providing a self-locking force. That is, the elastic member 40 pushes the second self-locking part 301 to slide on the first self-locking part 201, so that the door can close automatically. At this time, the fixing part 302 is raised, providing a margin of movement for the action of the second self-locking part 301. When the door is in the closed state, under the elastic compression of the elastic member 40, the second self-locking part 301 and the first self-locking part 201 lock together, providing a closing force, so that the door is closed securely. At this time, the fixing part 302 is in a flat state, avoiding affecting the action of the second self-locking part 301.

[0063] In some embodiments, the fixing part 302 is elastic to avoid interfering with the operation of the second self-locking part 301. The fixing part 302 can be made of spring sheet or plastic. Plastic is inexpensive and readily available; therefore, from a cost-saving perspective, the fixing part 302 is preferably made of plastic.

[0064] Combination Figure 1 , Figure 6 , Figure 7 and Figure 8In some embodiments, in order to protect the fixing part 302, a first chamber 602 is provided in the second frame 60, and the fixing part 302 is disposed in the first chamber 602. By accommodating the fixing part 302 in the first chamber 602, the fixing part 302 can be protected and prevented from being damaged by collisions with external equipment.

[0065] Combination Figure 1 , Figure 6 , Figure 7 and Figure 8 In some embodiments, in order to limit the elastic member 40, the second self-locking member 30 includes a limiting part 303 connected to the second self-locking part 301. One end of the elastic member 40 abuts against the second frame 60, and the other end is sleeved on the limiting part 303 and abuts against the second self-locking part 301.

[0066] In some embodiments, when the elastic member 40 elastically presses the second self-locking portion 301 or the second self-locking portion 301 presses the elastic member 40, the extension and contraction of the elastic member 40 are both performed on the limiting portion 303 to limit the elastic member 40 and ensure that the elastic member 40 moves in the set direction.

[0067] In some embodiments, the elastic element 40 is a spring, the limiting part 303 is columnar, and the spring 40 is sleeved on the limiting part 303.

[0068] In some embodiments, when the spring elastically compresses the second self-locking part 301 or the second self-locking part 301 compresses the spring, the extension and contraction of the spring are both performed on the limiting part 303 to limit the elastic member 40 and ensure that the elastic member 40 operates in the set direction.

[0069] Combination Figure 1 , Figure 6 , Figure 7 and Figure 8 In some embodiments, in order to protect the elastic member 40 and the limiting part 303, a second chamber 601 is provided in the second frame 60. The elastic member 40 and the limiting part 303 are both disposed in the second chamber 601. By accommodating the elastic member 40 and the limiting part 303 in the second chamber 601, the elastic member 40 and the limiting part 303 can be protected and prevented from being damaged by collisions with external equipment.

[0070] In some embodiments, the first chamber 602 is connected to the second chamber 601 to facilitate the installation of the second self-locking member 30.

[0071] Combination Figure 6In some embodiments, the first self-locking part 201 includes a first inclined surface 2011 and a second inclined surface 2012, and the second self-locking part 301 includes a third inclined surface 3011 and a fourth inclined surface 3012. The first inclined surface 2011 may abut against the third inclined surface 3011, and the second inclined surface 2012 may abut against the fourth inclined surface 3012.

[0072] In some embodiments, combined with Figure 6 Under the elastic compression of the elastic element 40, the first inclined surface 2011 and the third inclined surface 3011 abut against each other, and the second self-locking part 301 locks with the first self-locking part 201, thus combining. Figure 7 When the first frame 50 moves relative to the second frame 60, the second self-locking part 301 is pushed by the first self-locking part 201, and the second self-locking part 301 compresses and deforms the elastic member 40, thus combining... Figure 8 The first inclined surface 2011 disengages from the third inclined surface 3011, and the second inclined surface 2012 abuts against the fourth inclined surface 3012, so that the second self-locking part 301 can bypass the first self-locking part 201 to release the lock.

[0073] In some embodiments, in order to achieve rapid door closing and ensure reliable door closure, the length of the first inclined surface 2011 is greater than the length of the second inclined surface 2012, and the length of the third inclined surface 3011 is greater than the length of the fourth inclined surface 3012.

[0074] In some embodiments, the angle between the first inclined surface 2011 and the second inclined surface 2012 is not a straight angle, and the angle between the third inclined surface 3011 and the fourth inclined surface 3012 is not a straight angle, so as to achieve the locking of the second self-locking part 301 and the first self-locking part 201.

[0075] In some embodiments, when the door is to be closed, the third inclined surface 3011 can quickly slide over the fourth inclined surface 3012, so that the door closes quickly. When the door is in the closed state, the first inclined surface 2011 and the third inclined surface 3011 have sufficient sliding stroke to ensure that the door is securely closed.

[0076] In some embodiments, the cross-sectional shape of the first self-locking part 201 and the second self-locking part 301 is convex, which can be arc-shaped, triangular, trapezoidal, etc. From the perspective of ease of processing and cost reduction, the cross-sectional shape of the first self-locking part 201 and the second self-locking part 301 is preferably triangular. Of course, in other embodiments, the cross-sectional shape of the second self-locking part 301 is convex, and the cross-sectional shape of the first self-locking part 201 can also be a groove. When the first self-locking part 201 and the second self-locking part 301 are locked, the second self-locking part 301 can be embedded within the first self-locking part 201.

[0077] Based on the same inventive concept, this application also proposes a device with a door body, which employs a self-locking device. The specific structure of the self-locking device is as described in the above embodiments. Since the self-locking device adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be elaborated here.

[0078] In some embodiments, the device further includes a cabinet, one of which, and the other, is disposed within a first frame 50, and the other within a second frame 60. The first frame 50 and the second frame 60 enclose the cabinet and the door for protection. In the refrigerator, the first frame 50 and the second frame 60 are actually the frames of the cabinet and the door.

[0079] In some embodiments, the first frame 50 and the second frame 60 rotate relative to each other via the hinge 10 to enable the door to open and close on the housing.

[0080] In some embodiments, for ease of processing, the housing is disposed within the first frame 50, which supports and protects the housing. The door is disposed within the second frame 60, which supports and protects the door.

[0081] In some embodiments, the first frame 50 and the second frame 60 rotate relative to each other via the hinge 10 to enable the door to open and close on the housing.

[0082] In some embodiments, the device may be a refrigerator, freezer, wine cabinet, cupboard, or display case.

[0083] In this embodiment, when the device is a refrigerator, the refrigerator body is placed within the first frame 50, and the refrigerator door is placed within the second frame 60. When the refrigerator door is to be closed, under the elastic compression of the elastic member 40, the second self-locking part 301 and the first self-locking part 201 abut against each other, providing a self-locking force, so that the refrigerator door can automatically close onto the refrigerator body. When the refrigerator door is in the closed state, under the elastic compression of the elastic member 40, the second self-locking part 301 and the first self-locking part 201 lock together, providing a closing force, realizing the self-locking of the refrigerator door. When the refrigerator door is closed and no one is operating it, the refrigerator door will not open on the refrigerator body to avoid cold leakage, save energy, and extend the shelf life of food. When the refrigerator door needs to be opened, when the first frame 50 moves relative to the second frame 60, the second self-locking part 301 is pushed by the first self-locking part 201. The second self-locking part 301 compresses the elastic member 40 to deform, so that the second self-locking part 301 can bypass the first self-locking part 201 to release the lock. The second self-locking part 301 passes over the first self-locking part 201 to release the lock, making it easy for the refrigerator door to open on the refrigerator body.

[0084] In this embodiment, when the device is a refrigerator, opening or closing the refrigerator door on the refrigerator body causes relative movement between the first frame 50 and the second frame 60, realizing relative movement between the refrigerator door and the refrigerator body. The force generated by the elastic member 40 on the second self-locking member 30 will act on the first self-locking member 20 and will not be transmitted to the hinge member 10, thus preventing the hinge member 10 from touching the inner wall of the slide groove 701 or the rotating hole. This ensures smooth relative movement between the first frame 50 and the second frame 60 without any jerking or abnormal noise. Consequently, the relative movement between the refrigerator door and the refrigerator body is smooth without any jerking or abnormal noise. When the elastic element 40 tilts, part of the force exerted by the elastic element 40 on the second self-locking element 30 is applied to the hinge 10 through the first self-locking element 20. The force applied to the hinge 10 is small, causing the hinge 10 to move slightly within the slide groove 701 or the rotating hole. However, when the hinge 10 is assembled onto the connector 70, there will be an assembly allowance between the hinge 10 and the slide groove 701 or the rotating hole. This assembly allowance is greater than the movement distance of the hinge 10, and the hinge 10 will not touch the inner wall of the slide groove 701 or the rotating hole, ensuring smooth relative movement between the first frame 50 and the second frame 60 without any jerking or abnormal noise. Consequently, the relative movement between the refrigerator door and the refrigerator body will also be smooth without any jerking or abnormal noise. Even if the assembly allowance is less than the moving distance of the hinge 10, the hinge 10 will contact the inner wall of the slide 701 or the rotating hole. Due to the buffering effect of the assembly allowance, the force generated between the hinge 10 and the inner wall of the slide 701 or the rotating hole will be very small, and will not affect the relative movement between the first frame 50 and the second frame 60, nor will it affect the relative movement between the door and the refrigerator body.

[0085] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used 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.

[0086] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. If the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.

[0087] In the description of this invention, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0088] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0089] Although preferred embodiments of this application have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of this application.

[0090] Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application. Therefore, if such modifications and variations fall within the scope of the claims of this application and their equivalents, this application also intends to include such modifications and variations.

Claims

1. A self-locking device, characterized in that, include: The first self-locking member (20) is disposed on the first frame (50), and the first self-locking member (20) includes a first self-locking part (201). The second self-locking member (30) is disposed on the second frame (60). The second self-locking member (30) includes a second self-locking part (301) that cooperates with the first self-locking part (201). The second self-locking member (30) includes a fixing part (302) that is connected to the second self-locking part (301). The fixing part (302) is fixed on the second frame (60). The fixing part (302) is elastic. The elastic element (40) abuts against the second frame (60) at one end and against the second self-locking part (301) at the other end; The self-locking device also includes a connector (70) fixed on the first frame (50), the first frame (50) and the second frame (60) are rotatably connected by a hinge (10), and the hinge (10) and the first self-locking component (20) are both disposed on the connector (70); The projections of the elastic element (40) and the hinge element (10) on the first frame (50) do not intersect.

2. The self-locking device according to claim 1, characterized in that, Under the elastic compression of the elastic member (40), the second self-locking part (301) and the first self-locking part (201) are locked together. When the first frame (50) moves relative to the second frame (60), the second self-locking part (301) is pushed by the first self-locking part (201), and the second self-locking part (301) squeezes the elastic member (40) to deform so that the second self-locking part (301) and the first self-locking part (201) can be unlocked.

3. The self-locking device according to claim 1, characterized in that, The elastic element (40) is parallel to the projection of the hinge element (10) onto the first frame (50).

4. The self-locking device according to any one of claims 1-3, characterized in that, The second frame (60) has a first chamber (602) inside, and the fixing part (302) is located in the first chamber (602).

5. The self-locking device according to any one of claims 1-3, characterized in that, The second self-locking member (30) includes a limiting part (303) connected to the second self-locking part (301). One end of the elastic member (40) abuts against the second frame (60), and the other end is sleeved on the limiting part (303) and abuts against the second self-locking part (301).

6. The self-locking device according to claim 5, characterized in that, The elastic element (40) is a spring, the limiting part (303) is columnar, and the spring is sleeved on the limiting part (303).

7. The self-locking device according to claim 5, characterized in that, The second frame (60) has a second chamber (601) inside, and the elastic member (40) and the limiting part (303) are both located in the second chamber (601).

8. The self-locking device according to any one of claims 1-3, characterized in that, The first self-locking part (201) includes a first inclined surface (2011) and a second inclined surface (2012), and the second self-locking part (301) includes a third inclined surface (3011) and a fourth inclined surface (3012). The first inclined surface (2011) may abut against the third inclined surface (3011), and the second inclined surface (2012) may abut against the fourth inclined surface (3012). Under the elastic compression of the elastic member (40), the first inclined surface (2011) and the third inclined surface (3011) abut against each other, and the second self-locking part (301) and the first self-locking part (201) lock together. When the first frame (50) moves relative to the second frame (60), the second self-locking part (301) is pushed by the first self-locking part (201), and the second self-locking part (301) squeezes the elastic member (40) to deform. The first inclined surface (2011) disengages from the third inclined surface (3011), and the second inclined surface (2012) abuts against the fourth inclined surface (3012) so that the second self-locking part (301) and the first self-locking part (201) can be released from locking.

9. The self-locking device according to claim 8, characterized in that, The length of the first inclined plane (2011) is greater than the length of the second inclined plane (2012), and the length of the third inclined plane (3011) is greater than the length of the fourth inclined plane (3012).

10. A device with a door, characterized in that, Including the self-locking device as described in any one of claims 1-9.

11. The apparatus according to claim 10, characterized in that, The device also includes a housing, one of which, and the other, is disposed within the first frame (50), and the other is disposed within the second frame (60).

12. The apparatus according to claim 10, characterized in that, The device is one of a refrigerator, freezer, or wine cabinet.

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