Spacing adjusting device, box body and refrigerator

Abstract

The invention relates to a distance adjusting device, a box body and a refrigerator, relates to the technical field of refrigerators, and aims to provide a device for conveniently adjusting the distance between a door body in a closed state and the box body. The distance adjusting device comprises a shell, a supporting assembly and an adjusting assembly. An adjusting cavity, a first inserting hole and a second inserting hole are formed in the shell, and the first inserting hole and the second inserting hole communicate with the adjusting cavity. One part of the supporting assembly is located in the adjusting cavity, and the other part of the supporting assembly is used for extending out of the adjusting cavity through the first inserting hole. One part of the adjusting assembly is inserted into the second inserting hole, and the other part of the adjusting assembly is located in the adjusting cavity. The adjusting assembly is configured to have a first state and a second state which can be switched. When the adjusting assembly is in the first state, the part, located in the adjusting cavity, of the adjusting assembly is in transmission connection with the supporting assembly so as to drive the supporting assembly to adjust the inserting depth in the first inserting hole. When the adjusting assembly is in the second state, the adjusting assembly is prevented from driving the supporting assembly to adjust the insertion depth in the first insertion hole.

Description

Technical Field

[0001] The present application relates to the technical field of refrigerators, and in particular to a spacing adjustment device, a box body and a refrigerator. Background Art

[0002] Refrigerators are common household appliances. Large-capacity refrigerators are usually provided with double doors to facilitate taking items out of the refrigerator and reduce the space occupied during the door opening process.

[0003] The refrigerator door is connected to the refrigerator body through a hinge structure. Due to factors such as processing errors of parts, installation process errors, deformation of the foaming process, twisting and deformation during transportation, and deformation during use, the distance between the door body and the refrigerator body of the double-door setting is inconsistent when the door body is closed, that is, the two doors cannot be aligned on the front side, which causes product defects and affects the user experience. Summary of the Invention

[0004] The present application provides a distance adjustment device, a box body and a refrigerator, aiming to provide a device that is convenient for adjusting the distance between the door body and the box body in a closed state.

[0005] In a first aspect, some embodiments of the present application provide a spacing adjustment device comprising a housing, a support assembly, and an adjustment assembly. The housing defines an adjustment cavity, and a first insertion hole and a second insertion hole communicating with the adjustment cavity. A portion of the support assembly is positioned within the adjustment cavity, while another portion of the support assembly extends out of the adjustment cavity through the first insertion hole. A portion of the adjustment assembly is inserted into the second insertion hole, while another portion of the adjustment assembly is positioned within the adjustment cavity. The adjustment assembly is configured to have a switchable first state and a second state.

[0006] When the adjusting assembly is in the first state, the portion of the adjusting assembly located in the adjusting cavity is in transmission connection with the supporting assembly to drive the supporting assembly to adjust the insertion depth in the first inserting hole.

[0007] When the adjusting component is in the second state, the adjusting component is prevented from driving the supporting component to adjust the insertion depth in the first insertion hole.

[0008] Optionally, the adjustment assembly includes a first transmission member and an adjustment rod. The first transmission member is located in the adjustment cavity and is used to transmit the connection support assembly. One end of the adjustment rod is inserted into the second plug hole, and the other end of the adjustment rod is located in the adjustment cavity.

[0009] When the adjustment assembly is in the first state, the adjustment rod moves to the first position along the axial direction of the second insertion hole. The adjustment rod is in transmission connection with the first transmission member to drive the first transmission member to rotate, so as to adjust the insertion depth of the support assembly in the first insertion hole;

[0010] When the adjustment assembly is in the first state, the adjustment rod moves to the second position along the axial direction of the second plug hole, the adjustment rod is disconnected from the first transmission member, and / or the adjustment rod is restricted from rotating.

[0011] Optionally, the spacing adjustment device further includes first meshing teeth and second meshing teeth. The first meshing teeth are provided on the inner side of the housing, and the adjustment rod is provided with the second meshing teeth. When the adjustment rod is in the second position, the second meshing teeth engage with the first meshing teeth to prevent the adjustment rod from rotating. When the adjustment rod is in the first position, the second meshing teeth disengage from the first meshing teeth.

[0012] Optionally, the adjustment chamber includes a first chamber and a second chamber, and along the axial direction of the second plug-in hole, the second plug-in hole, the first chamber and the second chamber are connected in sequence. The first transmission member is at least partially located in the second chamber, and the adjustment rod is inserted into the second plug-in hole, the first chamber and the second chamber at the first position. Along the axial direction of the second plug-in hole, the portion of the adjustment rod located in the first chamber is provided with a second limiting portion to prevent the adjustment rod from disengaging from the second plug-in hole in the direction away from the second chamber. The adjustment assembly includes a second elastic member, and along the axial direction of the second plug-in hole, the second elastic member is arranged between the side wall of the first chamber close to the second chamber and the second limiting portion, and the second elastic member is in a compressed state so that the adjustment rod is in an initial state of the second position.

[0013] Optionally, along the axial direction of the second plugging hole, the shell is provided with a first meshing tooth on the inner wall of the first chamber away from the second chamber, and the second limiting portion is provided with a second meshing tooth on the side facing the second plugging hole.

[0014] Optionally, a third limit portion is provided at one end of the adjustment rod located in the adjustment cavity along the axial direction of the second insertion hole, and a fourth limit portion is provided at the first transmission member. At least when the adjustment rod is in the first position, the third limit portion engages with the fourth limit portion, so that the adjustment rod drives the first transmission member to rotate.

[0015] Optionally, in a cross section of the adjusting rod perpendicular to the axial direction, the cross section of the third limiting portion is rectangular.

[0016] Optionally, the fourth limiting portion is a rectangular hole adapted to the third limiting portion.

[0017] Optionally, when the adjusting rod is at the second position, the third limiting portion and the fourth limiting portion are out of the plug-in adaptation state.

[0018] Optionally, the adjustment assembly further includes a second transmission member and a rotating member. The second transmission member is located within the adjustment cavity and has a threaded hole. The first transmission member has an external thread structure and is pluggable with the threaded hole. The first transmission member is configured to drive the second transmission member to slide axially along the second insertion hole. The second transmission member is rotatably mounted within the adjustment cavity and is connected to the support assembly via the rotating member to adjust the insertion depth of the support assembly within the first insertion hole.

[0019] Optionally, the adjustment assembly includes a first positioning shaft, the first positioning shaft is fixedly connected to the second transmission member, the rotating member is provided with a first positioning groove, the first positioning shaft is plugged and adapted to the first positioning groove, and is used to drive the rotating member to rotate.

[0020] Optionally, the support assembly includes a support body and a second positioning shaft, a portion of the support body is inserted into the first plug-in hole, and a portion of the support body is located in the adjustment cavity and fixedly connected to the second positioning shaft; the rotating member is provided with a second positioning groove, and the second positioning shaft is plugged and adapted to the second positioning groove, so that the rotating member is used to adjust the insertion depth of the support body in the first plug-in hole.

[0021] Optionally, the rotating member includes a rotating shaft portion, a first rotating plate, and a second rotating plate. The first rotating plate has first and second positioning grooves at both ends. The second rotating plate has first and second positioning grooves at both ends. The first and second rotating plates are spaced apart along the axial direction of the rotating shaft portion and connected to the rotating shaft portion, forming an escape groove between the first and second rotating plates.

[0022] Optionally, the support assembly includes a support body, a first limiting portion, and a first elastic member. A portion of the support body is inserted into the first plug-in hole, and a portion of the support body and the first limiting portion are located in the adjustment cavity. The first limiting portion is connected to the support body to prevent the support body from escaping from the adjustment cavity through the first plug-in hole. The first elastic member is located in the adjustment cavity, the first elastic member is located on the side of the support body away from the first plug-in hole, and the first elastic member is compressed and arranged between the support body and the shell. The support body located in the adjustment cavity is used to transmit and connect the adjustment assembly so that the adjustment assembly adjusts the insertion depth of the support body in the first plug-in hole in the first state.

[0023] Optionally, the support assembly further includes a support member, the support body is provided with a third plugging hole corresponding to the first plugging hole, one end of the support member is inserted into the third plugging hole, and the other end of the support member is located outside the shell.

[0024] Optionally, one end of the support body is located outside the shell through the first plug hole, and the adjustment component is used to adjust the extension length of the support body from the first plug hole.

[0025] Optionally, the supporting body is provided with a fifth limiting portion for plugging and adapting the first elastic member.

[0026] Optionally, the shell is provided with a sixth limiting portion in the adjustment cavity, and the sixth limiting portion is used for plugging and adapting the first elastic member.

[0027] Optionally, the first plugging hole and the second plugging hole are opened on the same side of the shell.

[0028] In a second aspect, some embodiments of the present application provide a refrigerator comprising a main frame, a door, and the spacing adjustment device of the previous aspect. A storage compartment is provided within the main frame, and the door is hingedly connected to the main frame for opening and closing the storage compartment. The spacing adjustment device is mounted on a side of the door away from the hinge. When the door closes the storage compartment, one end of the support assembly located outside the housing supports the main frame, thereby adjusting the spacing between the door and the main frame.

[0029] In a third aspect, some embodiments of the present application provide a refrigerator comprising the housing in the second aspect.

[0030] The above technical solution provided by the embodiment of the present application has the following advantages compared with the prior art:

[0031] In the adjustment cavity of the spacing adjustment device, since the adjustment component is transmission-connected to the support component and the adjustment component is also inserted into the second plug-in hole, by rotating or pressing the adjustment component in the first state at the second plug-in hole, the support component is driven to move accordingly through the transmission connection structure, thereby adjusting the insertion depth of the support component in the first plug-in hole to adjust the length of the protruding end of the support component outside the adjustment cavity.

[0032] When the spacing adjustment device is installed between the door and the main body of the box frame, since the spacing adjustment device is located on the side of the door away from the hinge, when the door is in a closed storage compartment, the exposed portion of the support assembly at the first insertion hole (i.e., the end of the support assembly located outside the section cavity) is supported by the main body of the box frame. Thus, when the insertion depth of the support assembly in the first insertion hole is adjusted using the adjustment assembly, the length of the end of the support assembly located outside the housing will change accordingly, thereby adjusting the spacing between the door and the main body of the box frame, that is, adjusting the flatness of the door when it is closed.

[0033] Taking a refrigerator with a double-door structure as an example, the spacing adjustment device is installed on the relatively close sides of the two oppositely arranged door bodies. The flatness of the door body's enclosed storage compartment (i.e., in a closed state) can be flexibly adjusted through the two adjustment components, so that the two door bodies in the closed state are aligned away from the outer side surfaces of the box frame body, have better flatness and aesthetics, and provide users with a better user experience.

[0034] Compared with the related technical solution of adjusting the closing distance between the door body and the box frame body by a bolt structure, the distance adjustment device provided in the embodiment of the application can adjust the support distance of the support assembly part by rotating or moving the adjustment component. Compared with the technical solution of first rotating the bolt and then tightening the bolt with a nut, the adjustment method is simpler.

[0035] Furthermore, since the spacing adjustment device is an independent unit, it can be directly connected to the door body via bolts or rivets, making installation simple. Alternatively, the spacing adjustment device can be fixed inside the door body before foaming, and then reinforced by a secondary extrusion process within the door body. In this case, only the adjustment end of the adjustment assembly and the support member of the support assembly protrude from the door body, providing higher connection strength and better aesthetics.

[0036] On this basis, because the adjustment assembly has a switchable first and second states, in the first state, the adjustment assembly can flexibly adjust the insertion depth of the support assembly within the first insertion hole, that is, flexibly adjust the extension length of the support assembly outside the adjustment cavity, and correspondingly adjust the flatness of the door body when closed. In the second state, however, the adjustment assembly is prevented from causing the support assembly to adjust its insertion depth within the first insertion hole. This prevents accidental activation of the adjustment assembly in the second state, which could affect the flatness of the door body, and ensures that the door body maintains a good flatness over a long period of time.

[0037] The spacing adjustment device provided in the embodiments of the present application can be used in refrigerators to facilitate adjustment of the door gap gap of refrigerator doors with either a double-door structure or a single-door structure, thereby enhancing aesthetics. Furthermore, the spacing adjustment device can also be used in any structural device having a door body to adjust the door gap gap of the door body when in a closed state, without limitation. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0039] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0040] One or more embodiments are exemplarily illustrated by pictures in the corresponding drawings. These exemplifications do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings are represented as similar elements. Unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0041] Figure 1 A top view of a refrigerator provided in an embodiment of the present application;

[0042] Figure 2 for Figure 1 A cross-sectional view of AA;

[0043] Figure 3 for Figure 2 A partial enlarged schematic diagram of point B in the middle;

[0044] Figure 4 for Figure 3 A cross-sectional view of the spacing adjustment device shown in ;

[0045] Figure 5 for Figure 3 An exploded view of the spacing adjustment device shown in ;

[0046] Figure 6 for Figure 5 A schematic diagram of the internal structure of a portion of the shell shown in FIG;

[0047] Figure 7 for Figure 3 A schematic diagram of a three-dimensional structure of the adjusting rod shown in FIG;

[0048] Figure 8 for Figure 6 A partial enlarged schematic diagram of point C in the middle;

[0049] Figure 9 for Figure 7 The three-dimensional structure diagram of the adjusting rod shown in another angle;

[0050] Figure 10 Figure 5 A schematic diagram of a three-dimensional structure of the first transmission member shown in ;

[0051] Figure 11 for Figure 5 A schematic diagram of a three-dimensional structure of the second transmission member shown in ;

[0052] Figure 12 for Figure 5 A schematic diagram of a three-dimensional structure of a rotating member shown in ;

[0053] Figure 13 for Figure 5 A schematic diagram of a three-dimensional structure of a supporting body from one perspective is shown in FIG;

[0054] Figure 14 for Figure 5 Schematic diagram of the three-dimensional structure of the supporting body at another viewing angle is shown in FIG.

[0055] Description of reference numerals:

[0056] 100. Box frame body; 110. Storage compartment;

[0057] 200, door body;

[0058] 300, spacing adjustment device;

[0059] 310, housing; 311, adjustment chamber; 3111, first chamber; 3112, second chamber; 3113, third chamber; 3114, fourth chamber; 312, first plug hole; 313, second plug hole; 314, first meshing tooth;

[0060] 315, sixth limiting portion;

[0061] 320, support assembly; 321, support body; 3211, first limiting portion; 3212, third plug hole; 3213, second positioning shaft; 3214, fifth limiting portion; 3215, seventh limiting portion; 323, support member; 324, buffer portion; 325, first elastic member;

[0062] 330. Adjustment assembly; 331. First transmission member; 3311. Fourth limiting portion; 332. Adjustment rod; 3321. Second meshing tooth; 3322. Second limiting portion; 3323. Third limiting portion; 334. Second elastic member; 335. Second transmission member; 3351. Threaded hole; 3352. First positioning shaft; 336. Rotating member; 3361. First positioning groove; 3362. Second positioning groove; 3363. Rotating shaft; 3364. First rotating plate; 3365. Second rotating plate; 3366. Avoidance groove. DETAILED DESCRIPTION

[0063] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0064] The disclosure below provides many different embodiments or examples for implementing different configurations of the present invention. To simplify the disclosure of the present invention, the components and configurations of specific examples are described below. Of course, these are merely examples and are not intended to limit the present invention. In addition, the present invention may repeat reference numerals and / or letters in different examples. Such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or configurations discussed.

[0065] For ease of description, spatially relative terms may be used herein to describe the relative position or movement of one element or feature relative to another element or feature as shown in the figures, such as "inside," "outside," "inside," "outside," "below," "beneath," "above," "above," "front," "back," and the like. Such spatially relative terms are intended to include different orientations of the device in use or operation other than the orientation depicted in the figures. For example, if the device in the figures undergoes a positional flip or a change in posture or a change in motion, then these directional indications will also change accordingly. For example, an element described as "below" or "below" another element or feature will subsequently be oriented as "above" or "above" another element or feature. Thus, the example term "below" can include both above and below orientations. The device may be oriented otherwise (rotated 90 degrees or in other orientations) and the spatially relative descriptors used herein will be interpreted accordingly.

[0066] Figure 1 A top view of a refrigerator provided in an embodiment of the present application. Figure 2 for Figure 1 A cross-sectional view of AA in FIG. Figure 3 for Figure 2 A partial enlarged schematic diagram of point B in the middle. Figure 4 for Figure 3 A cross-sectional view of the spacing adjustment device shown in . Figure 5 for Figure 3 An exploded view of the spacing adjustment device shown in . Figure 6 for Figure 5 A schematic diagram of the internal structure of a partial shell is shown in FIG. Figure 7 for Figure 3 A schematic diagram of a three-dimensional structure of the adjusting rod shown in . Figure 8 for Figure 6 A partial enlarged schematic diagram of point C in the middle. Figure 9 for Figure 7 The three-dimensional structural diagram of the adjusting rod shown in another angle. Figure 10 Figure 5 A schematic diagram of the three-dimensional structure of the first transmission member is shown in FIG. Figure 11 for Figure 5 A schematic diagram of the three-dimensional structure of the second transmission member is shown in FIG. Figure 12 for Figure 5 A schematic diagram of a three-dimensional structure of a rotating part shown in . Figure 13 for Figure 5 A schematic diagram of the three-dimensional structure of the supporting body from one perspective is shown in FIG. Figure 14 for Figure 5 Schematic diagram of the three-dimensional structure of the supporting body at another viewing angle is shown in FIG.

[0067] See also Figures 1 to 14 , an embodiment of the present application provides a distance adjustment device, a box body and a refrigerator, aiming to provide a device that is convenient for adjusting the distance between the door body and the box body in a closed state.

[0068] like Figure 1 and Figure 2 As shown, the refrigerator includes a cabinet, which includes a main frame 100 and a door 200. A storage compartment 110 is provided within the main frame 100. The storage compartment 110 can be at least one of a refrigeration compartment, a freezer compartment, a variable temperature compartment, and a soft freezer compartment, and is used to extend the shelf life of items stored in the storage compartment 110. The door 200 is hingedly connected to the main frame 100 and is used to open or close the storage compartment 110.

[0069] The box body including the box frame body 100, the door body 200, and the spacing adjustment device 300 can be a common box body such as a wardrobe or bookcase equipped with a swing door or a double door. Alternatively, the box body can be a refrigerator or a high-temperature storage device to store the items in the storage compartment 110 under preset temperature and humidity conditions, without limitation.

[0070] Large capacity refrigerators are usually set up like this Figure 1 The illustrated double-door structure facilitates access to items in the storage compartment 110 and reduces space occupied during the door opening process.

[0071] However, during the production, transportation and use of the refrigerator, due to factors such as processing errors of parts, installation process errors, deformation of the foaming process, twisting and deformation during transportation, and deformation during use, the door body of the double-door arrangement has an inconsistent distance between the door body 200 and the box frame body 100 when in the closed state, that is, the two door bodies 200 cannot be aligned on the front side, which causes product defects and affects the user experience.

[0072] Based on this, Figure 2 and Figure 3 As shown, the refrigerator further includes a distance adjusting device 300 , which is installed on a side of the door body 200 away from the hinge.

[0073] Reference Figure 4 and Figure 5The spacing adjustment device 300 includes a housing 310, a support assembly 320, and an adjustment assembly 330. The housing 310 is provided with an adjustment cavity 311, and a first insertion hole 312 and a second insertion hole 313 communicating with the adjustment cavity 311. A portion of the support assembly 320 is located within the adjustment cavity 311, and another portion of the support assembly 320 is extended out of the adjustment cavity 311 through the first insertion hole 312. A portion of the adjustment assembly 330 is inserted into the second insertion hole 313, and a portion of the adjustment assembly 330 is located in the adjustment cavity 311. The adjustment assembly 330 is configured to have a switchable first state and a second state.

[0074] Exemplarily, the support assembly 320 may include a support body 321 and a first limiting portion 3211, a portion of the support body 321 is inserted into the first insertion hole 312, and a portion of the support body 321 and the first limiting portion 3211 are located in the adjustment cavity 311. The first limiting portion 3211 is connected to the support body 321 to prevent the support body 321 from escaping from the adjustment cavity 311 through the first insertion hole 312. The support body 321 located in the adjustment cavity 311 is used for transmission connection with the adjustment assembly 330, so that the adjustment assembly 330 adjusts the support body 321 in the first state.

[0075] The support body 321 and the first limiting portion 3211 can be an integrally formed structure, that is, the support body 321 is provided with a limiting protrusion structure (i.e., the first limiting portion 3211). Within the adjustment cavity 311, the support body 321 with the limiting protrusion structure has a larger profile to engage with the inner edge of the first insertion hole 312, thereby preventing the portion of the support body 321 inserted into the first insertion hole 312 from further moving outward, thereby preventing the support body 321 from being separated from the adjustment cavity 311 through the first insertion hole 312.

[0076] Alternatively, the support body 321 and the first limiting portion 3211 may be a separate structure that can be detachably assembled. That is, within the adjustment cavity 311, by installing the first limiting portion 3211 at a corresponding position on the support body 321, the first limiting portion 3211 can engage with the inner edge of the first insertion hole 312 to prevent the portion of the support body 321 inserted into the first insertion hole 312 from further moving outward, thereby preventing the support body 321 from being separated from the adjustment cavity 311 through the first insertion hole 312. When connecting the support body 321 and the first limiting portion 3211, the first limiting portion 3211 can be installed by snap-fitting or screwing, which is not limited to this.

[0077] Exemplarily, the first limiting portion 3211 is a flange ring or a flange frame structure, and the first limiting portion 3211 can be set to have a larger thickness dimension in the axial direction of the first plug hole 312 to form an integrated structure with the support body 321.

[0078] It should be noted that the support body 321 can be located entirely within the first plug-in hole 312 and not exposed. At this time, other exposed support structures can be connected to one end of the support body 321 located in the first plug-in hole 312 to support it between the door body 200 and the box frame body 100, so that the distance between the door body 200 and the box frame body 100 can be adjusted by adjusting the depth of the support body 321 in the first plug-in hole 312.

[0079] Alternatively, one end of the support body 321 may be exposed outside the housing 310 through the first insertion hole 312 so as to be supported between the door 200 and the box frame body 100. In this case, the extension length of the exposed support body 321 can be adjusted by adjusting the insertion depth of the support body 321 in the first insertion hole 312 to adjust the distance between the door 200 and the box frame body 100.

[0080] The regulating component 330 is configured to have a switchable first state and a switchable second state.

[0081] When the adjustment component 330 is in the first state, the portion of the adjustment component 330 located in the adjustment cavity 311 is in transmission connection with the support component 320 (or the support body 321 ) to drive the support component 320 to adjust the insertion depth in the first insertion hole 312 .

[0082] When the adjustment assembly 330 is in the second state, the adjustment assembly 330 is prevented from driving the support assembly 320 to adjust the insertion depth within the first insertion hole 312. For example, the second state can prevent the adjustment assembly 330 from rotating or moving. Alternatively, the adjustment assembly 330 can be prevented from driving the support assembly 320 to adjust its position by disengaging the transmission within the adjustment assembly 330 or between the adjustment assembly 330 and the support assembly 320.

[0083] Based on this, in the adjustment cavity 311, since the adjustment assembly 330 is transmission-connected to the support body 321 and the adjustment assembly 330 is also inserted into the second insertion hole 313, by rotating or pressing the adjustment assembly 330 in the first state at the second insertion hole 313, the support body 321 is driven to move accordingly through the transmission connection structure, thereby adjusting the insertion depth of the support body 321 in the first insertion hole 312. This is to adjust the length of the protruding end of the support assembly 320 located outside the adjustment cavity 311.

[0084] When the spacing adjustment device 300 is installed between the door body 200 and the box frame body 100, since the spacing adjustment device 300 is located on the side of the door body away from the hinge, when the door body 200 is in the closed storage compartment 110, the exposed portion of the support assembly 320 at the first insertion hole 312 (i.e., the end of the support assembly 320 located outside the adjustment cavity 311) is supported and arranged with the box frame body 100. In this way, when the insertion depth of the support body 321 in the first insertion hole 312 is adjusted by the adjustment assembly 330, the length of the end of the support assembly 320 located outside the housing 310 will change accordingly, thereby adjusting the spacing between the door body 200 and the box frame body 100, that is, adjusting the flatness of the door body when it is closed.

[0085] Taking a refrigerator with a double-door structure as an example, the spacing adjustment device 300 is installed on the relatively close sides of the two oppositely arranged door bodies 200. The two adjustment components 330 can flexibly adjust the flatness of the door body 200 when it closes the storage compartment 110 (that is, in a closed state), so that the two door bodies 200 in the closed state are aligned away from the outer side surfaces of the box frame body 100, have good flatness and aesthetics, so that users have a better usage experience.

[0086] Compared with the related technical solution of adjusting the closing distance between the door body 200 and the box frame body 100 by means of a bolt structure, the distance adjustment device 300 provided in the embodiment of the present application can adjust the support distance of the exposed portion of the support assembly 320 by rotating or moving the adjustment assembly 330. Compared with the technical solution of first rotating the bolt and then tightening the bolt with a nut, the adjustment method is simpler.

[0087] Furthermore, since the spacing adjustment device 300 is an independent device, it can be directly connected to the door body 200 via bolts or rivets, simplifying installation. Alternatively, the spacing adjustment device 300 can be fixedly installed inside the door body 200 before foaming, and then subjected to a secondary extrusion reinforcement process within the door body 200. In this case, only the adjusting end of the adjustment assembly 330 and the supporting member of the support assembly 320 protrude from the door body 200, providing a higher connection strength and better aesthetics.

[0088] On this basis, because the adjustment component 330 has a switchable first state and second state, the adjustment component 330 can flexibly adjust the insertion depth of the support component 320 within the first insertion hole 312 in the first state, that is, flexibly adjust the extension length of the support component 320 outside the adjustment cavity 311, and correspondingly adjust the flatness of the door body 200 in the closed state. In the second state, the adjustment component 330 can be prevented from causing the support component 320 to adjust its insertion depth within the first insertion hole 312. This prevents accidental contact with the adjustment component 330 in the second state, which could affect the flatness of the door body 200, allowing the door body 200 to maintain a relatively good flatness for a long time.

[0089] It should be noted that the spacing adjustment device 300 provided in the embodiment of the present application can be used in refrigerators to facilitate adjustment of the door gap gap of refrigerator doors with either a double-door structure or a single-door structure, thereby improving aesthetics. Furthermore, the spacing adjustment device 300 can also be used in any structural device having a door body 200 to adjust the door gap gap of the door body 200 when closed, without limitation.

[0090] Between the door body 200 and the box frame body 100, as shown in FIG. Figure 3 and 4 As shown, the support assembly 320 further includes a support member 323. The support body 321 is provided with a third insertion hole 3212 corresponding to the first insertion hole 312. One end of the support member 323 is inserted into the third insertion hole 3212, and the other end of the support member 323 is located outside the housing 310. In this way, the support member 323 is supported and disposed between the box frame body 100 and the support body 321 when the door body 200 is in the closed state.

[0091] In this way, in the process of adjusting the insertion depth of the support body 321 in the first insertion hole 312, the extension length of the support member 323 inserted in the third insertion hole 3212 can be adjusted, thereby adjusting the gap distance between the door body 200 and the box frame body 100 in the closed state.

[0092] For example, the support member 323 may be interference-fitted with the third insertion hole 3212, thereby providing a strong connection strength between the support member 323 and the support body 321 when inserted into the third insertion hole 3212. Alternatively, the support member 323 may be provided with external threads on the outside and the third insertion hole 3212 may be a threaded hole, thereby also providing a strong connection strength between the support member 323 and the support body 321.

[0093] By configuring the split support member 323 and the support body 321, and assembling the support member 323 and the support body through a detachable connection or a fixed connection, while reducing the exposed area of the support body 321, the setting of the support member 323 makes it easy to flexibly adjust the length range of the exposed size of the support assembly 320, which is beneficial to improving the adaptive adjustment range of the gaps between different door bodies 200, and has a higher application range and adaptability.

[0094] In addition, the support member 323 and the support body 321 can be fixedly connected by gluing or hot melting. Both can prevent the support member 323 from falling off, have a simple structure, are easy to produce and process, and have a high connection strength. This is not limited to this.

[0095] like Figure 3 As shown, the support assembly 320 also includes a buffer portion 324, which is located at one end of the support member 323 away from the support body 321. The buffer portion 324 can be a buffer medium such as a rubber pad or a silicone pad, which is used to reduce the impact strength when the support member 323 contacts the side wall of the box frame body 100.

[0096] In other embodiments, the support member may not be required. In this case, one end of the support body 321 is positioned outside the housing 310 through the first insertion hole 312, and the adjustment assembly 330 is used to adjust the extension length of the support body 321 from the first insertion hole 312. This helps reduce the number of components in the support assembly 320, thereby simplifying the overall structure.

[0097] In some embodiments, as Figure 4 and Figure 5 As shown, the adjustment assembly 330 includes a first transmission member 331 and an adjustment rod 332. The first transmission member 331 is located in the adjustment cavity 311 and is used to transmit the connection to the support body 321. The adjustment rod 332 is partially inserted into the second insertion hole 313 and is partially located in the adjustment cavity 311.

[0098] When the adjustment assembly 330 is in the first state, the adjustment rod 332 moves to the first position along the axial direction of the second plug-in hole 313, and the adjustment rod 332 is connected to the first transmission member 331 to drive the first transmission member 331 to rotate, which is used to adjust the insertion depth of the support body 321 in the first plug-in hole 312.

[0099] In this way, by setting the adjusting rod 332 to have two position states, namely the first position and the second position, and enabling the adjusting rod 332 to drive the first transmission member 331 to rotate when in the first position, the supporting body 321 can be driven to move in the first plug-in hole 312 through the first transmission member 331, thereby adjusting the insertion depth of the supporting body 321 in the first plug-in hole 312 to adjust the gap size between the door body 200 and the box frame body 100.

[0100] When the adjustment assembly 330 is in the second state, the adjustment rod 332 moves to the second position along the axial direction of the second insertion hole 313, and the adjustment rod 332 can be set to be disengaged from the first transmission member 331. In this state, even if the adjustment rod 332 is accidentally touched, the adjustment rod 332 will not drive the first transmission member 331 to rotate, thereby affecting the position accuracy of the support body 321.

[0101] Alternatively, when the adjustment rod 332 is in the second position, the limiting structure may also be used to prevent the adjustment rod 332 from rotating, thereby limiting the rotation of the adjustment rod 332 when it is accidentally touched to affect the position accuracy of the support body 321.

[0102] The two aforementioned configurations of the adjusting rod 332 at the second position can be configured simultaneously, or one of the aforementioned configurations of the adjusting rod 332 at the second position can be configured, which is not limited.

[0103] It should be noted that, on the side of the second plug hole 313 away from the adjustment cavity 311 , the adjustment rod 332 can be set to an extended state, so that the user can contact the adjustment rod 332 and adjust the gap size between the door body 200 and the box frame body 100 .

[0104] Alternatively, the adjustment rod 332 is disposed in the second insertion hole 313 and is not exposed. In this case, the user needs to use a tool (such as a screwdriver or an Allen wrench) to contact the adjustment rod 332 in the second insertion hole 313, and by turning the adjustment rod 332 at the first position, the first transmission member 331 is driven to adjust the insertion depth of the support body 321 in the first insertion hole 312, thereby adjusting the gap size between the door body 200 and the box frame body 100.

[0105] In some embodiments, as Figure 6 and Figure 7 As shown, the spacing adjustment device further includes a first meshing tooth 314 and a second meshing tooth 3321 . The first meshing tooth 314 is provided on the inner side of the housing 310 , and the adjustment rod 332 is provided with the second meshing tooth 3321 .

[0106] When the adjusting rod 332 is at the second position, the second meshing teeth 3321 mesh with the first meshing teeth 314 to prevent the adjusting rod 332 from rotating. When the adjusting rod 332 is at the first position, the second meshing teeth 3321 are disengaged from the first meshing teeth 314.

[0107] Since the first meshing tooth 314 is arranged at the shell 310, the adjusting rod 332 makes the second meshing tooth 3321 mesh with the first meshing tooth 314 at the second position to prevent the adjusting rod 332 from driving the first transmission member 331 to rotate, thereby avoiding the rotation of the adjusting rod 332 when it is accidentally touched at the second position to affect the adjustment accuracy of the support body 321.

[0108] Correspondingly, when the adjustment rod 332 moves from the second position to the first position, the adjustment rod 332 drives the second meshing teeth 3321 away from the first meshing teeth 314 until the second meshing teeth 3321 are disengaged from the first meshing teeth 314. At this point, the adjustment rod 332 can be smoothly rotated to drive the first transmission member 331 to rotate, thereby adjusting the insertion depth of the support body 321 in the first insertion hole 312.

[0109] Illustratively, the adjustment rod 332 is configured to reciprocate along its axial direction to switch the adjustment between the first position and the second position.

[0110] like Figure 4 and Figure 6 As shown, the adjustment chamber 311 includes a first chamber 3111 and a second chamber 3112. Along the axial direction of the second plug hole 313, the second plug hole 313, the first chamber 3111 and the second chamber 3112 are sequentially connected. The first transmission member 331 is at least partially located in the second chamber 3112. The adjustment rod 332 is inserted into the second plug hole 313, the first chamber 3111 and the second chamber 3112 at the first position, so that the adjustment rod 332 is connected to the first transmission member 331. Along the axial direction of the second plug hole 313, refer to Figure 4 and Figure 7 A second limiting portion 3322 is provided on the portion of the adjusting rod 332 located in the first cavity 3111 to prevent the adjusting rod 332 from escaping from the second plug hole 313 in a direction away from the second cavity 3112 .

[0111] Based on this, Figure 4 and Figure 5 As shown, the adjustment assembly 330 includes a second elastic member 334. Along the axial direction of the second plug-in hole 313, the second elastic member 334 is arranged between the side wall of the first chamber 3111 close to the second chamber 3112 and the second limiting portion 3322, and the second elastic member 334 is in a compressed state so that the adjustment rod 332 is in the second position.

[0112] In this way, by disposing the first chamber 3111 and the second chamber 3112, the adjustment rod 332 can be moved and switched between the first chamber 3111 and the second chamber 3112 along the axial direction of the second insertion hole 313. For example, when the adjustment rod 332 moves toward the second chamber 3112 to the first position, the adjustment rod 332 located in the second chamber 3112 is in transmission connection with the first transmission member 331, so that the adjustment rod 332 can drive the first transmission member 331 to rotate.

[0113] When the adjusting rod 332 moves to the second position in a direction away from the second chamber 3112, the adjusting rod 332 may be partially located in the second chamber 3112, i.e., the adjusting rod 332 may be in transmission connection with the first transmission member 331 or may be out of transmission connection. Alternatively, the adjusting rod 332 may be out of the second chamber 3112 at the second position, i.e., the adjusting rod 332 may be spaced apart from the first transmission member 331 or may be out of transmission connection with the first transmission member 331.

[0114] On this basis, a second stopper 3322 is provided at the portion of the adjustment rod 332 located in the first chamber 3111, and the second stopper 3322 is a protruding structure or a flange ring structure, i.e., the radial dimension of the second stopper 3322 is larger than the inner diameter of the second insertion hole 313, thereby preventing the adjustment rod 332 from disengaging from the second insertion hole 313 in a direction away from the second chamber 3112. In this way, a second elastic member 334 in a compressed state is provided between the side wall of the first chamber 3111 near the second chamber 3112 and the second stopper 3322 along the axial direction of the second insertion hole 313. The second elastic member 334 applies a force to the second stopper 3322 of the adjustment rod 332 in a direction away from the second chamber 3112, and the adjustment rod 332 is initially in the second position.

[0115] Taking the second plug hole 313, the first chamber 3111 and the second chamber 3112 as an example, which are distributed in sequence from back to front, the adjusting rod 332 is restored to the second position backward under the action of the second elastic member 334, so that the first meshing teeth 314 and the second meshing teeth 3321 are meshed and matched, thereby preventing the adjusting rod 332 from driving the first transmission member 331 to rotate.

[0116] It should be noted that, along the axial direction of the second plug-in hole 313, the second meshing tooth 3321 can be arranged on the side of the second limiting portion 3322 away from the second chamber 3112, and the first meshing tooth 314 is arranged at the edge of the second plug-in hole 313 close to the second chamber 3112, and the first meshing tooth 314 and the second meshing tooth 3321 can be engaged and matched or disengaged along the axial direction.

[0117] Alternatively, along the radial direction of the second insertion hole 313, the second meshing teeth 3321 can be disposed radially outward of the second limiting portion 3322 or the adjustment rod 332. A first meshing tooth 314 is disposed radially inwardly of the second insertion hole 313 on a side of the second insertion hole 313 axially close to the second chamber 3112, so that the second meshing teeth 3321 and the first meshing teeth 314 can mesh and mate radially, and the position of the adjustment rod 332 can be switched axially between the second position and the first position, so that the second meshing teeth 3321 and the first meshing teeth 314 can switch and move between a meshed state and a non-meshed state. This is not limited to this.

[0118] For example, Figure 6 and Figure 8 As shown, along the axial direction of the second plug hole 313, the housing 310 is provided with a first meshing tooth 314 on the inner wall of the first chamber 3111 away from the second chamber 3112. Figure 7 and Figure 9 The second limiting portion 3322 is provided with a second meshing tooth 3321 on one side facing the second plug hole 313. That is, the first meshing tooth 314 and the second meshing tooth 3321 are provided by the original structure of the housing 310 and the adjusting rod 332 to limit the adjusting rod 332 in the second position, and the structure is simple.

[0119] The plurality of first meshing teeth 314 are circumferentially spaced apart around the edge of the second insertion hole 313. Correspondingly, the plurality of second meshing teeth 3321 are circumferentially spaced apart around the second limiting portion 3322. This allows the plurality of first meshing teeth 314 to mesh with the plurality of second meshing teeth 3321, thereby increasing the limiting resistance to the adjustment rod 332. For example, the tooth shapes of the first meshing teeth 314 and the second meshing teeth 3321 can be triangular, rectangular, hemispherical, or semicircular, etc., without limitation.

[0120] Since the adjustment rod 332 continuously adjusts the gap size between the door body 200 and the box frame body 100 during the rotation process, the arrangement of the plurality of first meshing teeth 314 and the plurality of second meshing teeth 3321 enables the first meshing teeth 314 and the second meshing teeth 3321 to be meshed and matched at multiple positions of the adjustment rod 332 around the circle, thereby improving the adjustment accuracy of the adjustment rod 332 in multiple locking states (i.e., the second position).

[0121] The number of first meshing teeth 314 and second meshing teeth 3321 can be flexibly adjusted according to actual needs. That is, the greater the number of first meshing teeth 314 and second meshing teeth 3321, the higher the adjustment accuracy of the adjustment rod 332 in the locked state. The fewer the number of first meshing teeth 314 and second meshing teeth 3321, the simpler the component structure. This helps to increase the resistance of the adjustment rod 332 in the locked state through the meshing contact area and meshing depth between the single first meshing teeth 314 and second meshing teeth 3321, thereby ensuring that a good gap size can be maintained between the door body 200 and the box frame body 100.

[0122] When the transmission connection adjusting rod 332 and the first transmission member 331 are connected, as shown in FIG. Figure 7 and Figure 9 As shown, along the second plug hole 313 (as Figure 4 As shown in the axial direction, the adjusting rod 332 is provided with a third limiting portion 3323 at one end of the adjusting cavity 311. Figure 4 and Figure 10 The first transmission member 331 is provided with a fourth limiting portion 3311. At least when the adjustment rod 332 is in the first position, that is, when the first meshing teeth 314 and the second meshing teeth 3321 are in a non-meshing state, the third limiting portion 3323 is plugged and adapted with the fourth limiting portion 3311, so that the adjustment rod 332 can drive the first transmission member 331 to rotate.

[0123] Exemplarily, the third limiting portion 3323 is a plug-in end at one end of the adjustment rod 332 in the longitudinal direction, and correspondingly, the fourth limiting portion 3311 is a plug-in hole provided on the first transmission member 331 toward the second plug-in hole 313. The plug-in end and the plug-in hole are plug-fitted together, and the plug-in end of the adjustment rod 332 is inserted into the plug-in hole of the first transmission member 331. The plug-in end is not a cylindrical structure, and for example, the plug-in end is a polyhedral structure such as a triangular prism, a quadrangular prism, or a pentagonal prism, and the plug-in hole is a corresponding triangular hole, a rectangular hole, a pentagonal hole, etc. in cross-section, that is, the plug-in hole is not a circular hole structure. This prevents slippage between the plug-fitting third limiting portion 3323 and the fourth limiting portion 3311, thereby enabling the adjustment rod 332 to drive the first transmission member 331 to rotate.

[0124] Alternatively, the third limiting portion 3323 may be configured as a plug-in hole, and the fourth limiting portion 3311 may be configured as a plug-in end. It is sufficient that the adjusting rod 332 and the first transmission member 331 are prevented from slipping so that transmission can be performed between the two members. For example, the third limiting portion 3323 and the fourth limiting portion 3311 may be configured as a spline shaft adapting structure.

[0125] For example, in a cross section perpendicular to the axial direction of the adjustment rod 332, the third limiting portion 3323 has a rectangular cross section. Accordingly, the fourth limiting portion 3311 is a rectangular hole or a positive hole that fits the third limiting portion 3323. This allows the third limiting portion 3323 to be inserted into the fourth limiting portion 3311 and prevents relative rotation between the adjustment rod 332 and the first transmission member 331. This means that rotation of the adjustment rod 332 simultaneously drives the first transmission member 331 to rotate.

[0126] When the adjustment rod 332 is in the initial state of the second position, the third limiting portion 3323 can be disengaged from the fourth limiting portion 3311. Thus, even if the adjustment rod 332 rotates under the action of an external force, the adjustment rod 332 and the first transmission member 331 are not in a transmission connection at this time, that is, the first transmission member 331 will not rotate synchronously to affect the position of the support body 321.

[0127] That is, along the axial direction of the second insertion hole 313, the first depth dimension is defined as the insertion adaptation dimension between the third limiting portion 3323 and the fourth limiting portion 3311, and the second depth dimension is defined as the movement distance of the adjustment rod 332 between the first position and the second position, and the second depth dimension is greater than the first depth dimension. This ensures that when the adjustment rod 332 is in the first position, the third limiting portion 3323 and the fourth limiting portion 3311 are in an insertion adaptation state. When the adjustment rod 332 is moved to the second position, the third limiting portion 3323 and the fourth limiting portion 3311 are in a non-insertion adaptation state, i.e., the third limiting portion 3323 is not inserted into the fourth limiting portion 3311.

[0128] That is, through the above redundant configuration, the adverse effect of external force acting on the adjustment rod 332 on the gap size between the door body 200 and the box frame body 100 is further avoided.

[0129] It should be noted that the torque between the adjustment component 330 and the support component 320 can be adjusted by adjusting the transmission ratio between the two. If the transmission ratio between the adjustment component 330 and the support component 320 is set to be greater than 2, it is beneficial to improve the adjustment accuracy from the adjustment component 330 to the support component 320. And when the external force acts so that the adjustment component 330 is reversely affected by the support component 320 side, a greater force needs to be applied to cause the rotation or displacement of the adjustment component 330. In this way, even if there is no transmission limit configured inside the adjustment component 330, the rotation or displacement caused by the reverse force of the support component 320 side on the adjustment component 330 can be reduced.

[0130] In some other embodiments, regardless of whether the adjustment rod 332 is in the first position or the second position, the third limit portion 3323 and the fourth limit portion 3311 can be set to be in a plug-in adaptation state. That is, there is no need to deliberately adjust the plug-in adaptation depth between the third limit portion 3323 and the fourth limit portion 3311, which facilitates the production, processing and assembly of parts. In some embodiments, meshing tooth structures can be respectively provided at the first transmission member 331 and the support body 321 to enable the first transmission member 331 to contact and engage with the support body 321. For example, the angle formed between the rotating shaft of the first transmission member 331 and the moving direction of the support body 321 can be 0°, an acute angle, a right angle, an obtuse angle or 180°, and this is not limited.

[0131] Or, as Figure 4 and Figure 5 As shown, the adjustment assembly 330 further includes a second transmission member 335 and a rotating member 336. The second transmission member 335 is located in the adjustment cavity 311, referring to Figure 11 , the second transmission member 335 is provided with a threaded hole 3351. Correspondingly, as Figure 4 and Figure 11 As shown, the first transmission member 331 has an external thread structure and is plugged into the threaded hole 3351. The first transmission member 331 is used to drive the second transmission member 335 to slide along the axial direction of the second plug hole 313.

[0132] Specifically, the adjustment rod 332 in the first position rotates, driving the first transmission member 331 to rotate synchronously. Within the threaded hole 3351, the rotating first transmission member 331 causes the second transmission member 335 to slide axially along the second insertion hole 313. If the adjustment rod 332 is rotated clockwise, the second transmission member 335 moves toward the second insertion hole 313. Rotating the adjustment rod 332 counterclockwise moves the second transmission member 335 away from the second insertion hole 313.

[0133] At this time, the adaptation structure between the first transmission member 331 and the second transmission member 335 through the internal and external threads can also be regarded as a special meshing transmission structure.

[0134] A flange ring is provided at at least one axial end of the first transmission member 331 , and the outer diameter of the flange ring is larger than the inner diameter of the threaded hole 3351 to prevent the second transmission member 335 from axially separating from the first transmission member 331 .

[0135] For example, Figure 4 and Figure 6 As shown, the adjustment chamber 311 further includes a third chamber 3113 and a fourth chamber 3114. The fourth chamber 3114 is used to install the support assembly 320.

[0136] Reference Figure 4 and Figure 5The rotating member 336 is rotatably mounted in the adjustment cavity 311 (eg, the third cavity 3113 ). The second transmission member 335 is transmission-connected to the support body 321 via the rotating member 336 , and is used to adjust the insertion depth of the support body 321 in the first insertion hole 312 .

[0137] Since the second transmission member 335 is configured to reciprocate along the axial direction of the second insertion hole in the second chamber 3112, the support body 321 can also be configured to reciprocate along the axial direction within the fourth chamber 3114 and the first insertion hole 312. In this case, the position where the second transmission member 335 and the support body 321 contact the rotating member 336 can be set as a linear rack structure, and the rotating member 336 can be a gear structure that meshes with the second transmission member 335, so that the second transmission member 335 can drive the support body 321 to reciprocate through the rotating member 336.

[0138] When the second transmission member moves along the axial direction of the second plug-in hole 313 toward the direction away from the second plug-in hole 313, it drives the support body 321 to be inserted deeper into the first plug-in hole 312, or drives the support body 321 to extend longer from the first plug-in hole 312 outside the shell 310, so as to adjust and increase the gap distance between the door body 200 and the box frame body 100.

[0139] When the second transmission member moves along the axial direction of the second insertion hole 313 toward the second insertion hole 313, it drives the support body 321 to move from the first insertion hole 312 toward the fourth chamber 3114. During this process, the support body 321 is inserted shallower into the first insertion hole 312, or the support body 321 is driven to extend out of the housing 310 from the first insertion hole 312 shorter, so as to adjust and reduce the gap distance between the door body 200 and the box frame body 100.

[0140] Or, as Figure 11 As shown, the adjustment assembly 330 includes a first positioning shaft 3352, and the first positioning shaft 3352 is fixedly connected to the second transmission member 335. The two can be an integrally formed structure or connected by screws, rivets or hot melt. Figure 5 and Figure 12 As shown, the rotating member 336 is provided with a first positioning groove 3361 , and the first positioning shaft 3352 is plugged and fitted into the first positioning groove 3361 to drive the rotating member 336 to rotate.

[0141] Correspondingly, such as Figure 13 As shown, the support assembly 320 includes a second positioning shaft 3213, and the second positioning shaft 3213 is fixedly connected to the support body 321. Figure 5 and Figure 12The rotating member 336 is provided with a second positioning groove 3362 , and the second positioning shaft 3213 is plugged and adapted with the second positioning groove 3362 , so that the rotating member 336 is used to adjust the insertion depth of the support body 321 in the first insertion hole 312 .

[0142] Illustratively, the first positioning groove 3361 and the second positioning groove 3362 may be waist-shaped hole structures or strip-shaped hole structures with an opening on one side along the length direction.

[0143] As the second transmission member 335 and the support body 321 move in a linear direction, the first positioning shaft 3352 and the inner wall of the first positioning groove 3361 slide between the rotating member 336 and the second transmission member 335 through the plug-in fit of the shaft and the groove, so that the linearly moving first positioning shaft 3352 and the second transmission member 335 can drive the rotating member 336 to rotate via the inner wall of the first positioning groove 3361.

[0144] Correspondingly, the second positioning shaft 3213 and the inner wall of the second positioning groove 3362 slide between the rotating member 336 and the supporting body 321, so that the rotating rotating member 336 can drive the second positioning shaft 3213 and the supporting body 321 to move telescopically along the first insertion hole 312 via the inner wall of the second positioning groove 3362, thereby adjusting the size of the gap between the door body 200 and the box frame body 100. In this way, through the arrangement of the first positioning shaft 3352, the first positioning groove 3361, the second positioning shaft 3213, and the second positioning groove 3362, the meshing transmission between the second transmission member 335, the rotating member 336, and the supporting body 321 is satisfied without the need for multiple tooth structures, resulting in a simple structure and easy processing.

[0145] In some embodiments, as Figure 12 As shown, the rotating member 336 includes a rotating shaft portion 3363 , a first rotating plate 3364 and a second rotating plate 3365 .

[0146] The shaft portion 3363 can be a recessed structure or a raised cylindrical structure, so that the rotating member 336 can be supported and installed in the third chamber 3113 for meshing transmission between the second transmission member 335 and the support body 321 .

[0147] Reference Figure 12 The first rotating plate 3364 has first and second positioning grooves 3361 and 3362 at both ends. Furthermore, the second rotating plate 3365 has first and second positioning grooves 3361 and 3362 at both ends. The first and second rotating plates 3364 and 3365 are spaced apart and connected to the rotating shaft 3363 along the axial direction of the rotating shaft 3363, forming an escape groove 3366 between the first and second rotating plates 3364 and 3365.

[0148] By connecting the first rotating plate 3364 and the second rotating plate 3365 spaced apart at both axial ends of the rotating shaft portion 3363, the two first positioning grooves 3361 are aligned along the axial direction, and the two second positioning grooves 3362 are aligned along the axial direction, that is, a double-layer plate is used to improve the structural strength of the rotating member 336 at the first positioning groove 3361 and the second positioning groove 3362.

[0149] On this basis, an escape groove 3366 is formed between the first rotating plate 3364 and the second rotating plate 3365, which are spaced apart. This saves material in the manufacturing of the rotating member 336. The escape groove 3366 is provided near the first positioning groove 3361 to accommodate the connection structure between the first positioning shaft 3352 and the second transmission member 335. The escape groove 3366 is provided near the second positioning groove 3362 to accommodate the connection structure between the second positioning shaft 3213 and the support body 321. This prevents the connection structure from contacting the rotating member 336 during rotation, thereby hindering the transmission of power and thereby increasing the adjustment range of the support assembly 320 between the minimum and maximum gap sizes.

[0150] For the support assembly 320, due to the machining error of parts and the existence of assembly gap, the length of the support body 321 or the support member 323 extending out of the first plug hole 312 has a certain error. Figure 4 and Figure 5 As shown, the support assembly 320 further includes a first elastic member 325, which is located in the adjustment cavity 311 (i.e., the fourth cavity 3114). The first elastic member 325 is located on a side of the support body 321 away from the first insertion hole 312. The first elastic member 325 is compressed and disposed between the support body 321 and the housing 310. The first elastic member 325 in a compressed state can exert a force on the support body 321 to extend toward the first insertion hole 312.

[0151] In this way, even if there is a pure assembly gap between the support assembly 320 and the adjustment assembly 330, the provision of the first elastic member 325 enables the support body 321 to ignore the assembly gap and maintain its maximum extension capacity in the corresponding state, thereby accurately controlling the gap distance between the door body 200 and the box frame body 100. Moreover, at the moment the door body closes, the outer end of the support body 321 or the support member 323 will contact the side wall of the box frame body 100 for a relatively short time, causing the support assembly 320 to withstand a large impact. Because there is a pure assembly or adaptation gap between the support bodies 321, the compressed first elastic member 325 cooperates with the support body 321 to form a travel buffer structure under the cooperation of the assembly or adaptation gap and the first elastic member 325, thereby effectively buffering and absorbing the impact force exerted on the door body 200 at the moment of closing, thereby improving the stability of the device and the refrigerator as a whole.

[0152] It should be noted that, in the embodiment of the present application, the first elastic member 325 and the second elastic member 334 may be springs, which have a simple structure.

[0153] The second elastic member 334 is sleeved on the adjustment rod 332. Correspondingly, along the axial direction of the second plug hole 313, annular gaskets are provided at both ends of the second elastic member 334 to increase the contact area between the second elastic member 334 and the second limiting portion 3322 and the inner wall of the housing 310.

[0154] In order to facilitate the positioning and installation of the first elastic member 325, as shown in FIG. Figure 4 and Figure 14 As shown, the support body 321 is provided with a fifth limiting portion 3214 , and the fifth limiting portion 3214 is used for plugging and adapting the first elastic member 325 .

[0155] For example, the fifth limiting portion 3214 can be a groove-like structure or a blind hole structure. For example, if the fifth limiting portion 3214 is provided at the end of the support body 321 opposite the third insertion hole 3212, the fifth limiting portion 3214 can be a blind hole structure or a stepped hole structure, so that part of the first elastic member 325 can be inserted into the fifth limiting portion 3214, thereby facilitating the positioning and installation of the first elastic member 325.

[0156] Correspondingly, such as Figure 4 and Figure 6 As shown, the housing 310 is provided with a sixth limiting portion 315 within the adjustment cavity 311 (i.e., the fourth cavity 3114). The sixth limiting portion 315 is configured to be plugged and adapted to the first elastic member 325. Specifically, one end of the first elastic member 325 is plugged and adapted to the fifth limiting portion 3214, and the other end of the first elastic member 325 is plugged and adapted to the sixth limiting portion 315, so that the first elastic member 325 can be stably compressed between the support body 321 and the housing 310.

[0157] If the fifth limiting portion 3214 is a slot-shaped structure, the sixth limiting portion 315 is a corresponding plug-in column structure, so that one end of the first elastic member 325 is sleeved on the sixth limiting portion 315 .

[0158] In some other embodiments, such as Figure 4 As shown, taking the fifth limiting portion 3214 as an inserting slot structure as an example, the support body 321 is further provided with a seventh limiting portion 3215 within the fifth limiting portion 3214. This seventh limiting portion 3215 is a plugging post structure. One end of the first elastic member 325 is sleeved on the seventh limiting portion 3215 and inserted into the fifth limiting portion 3214. This limits abnormal deformation of the first elastic member 325 during compression, thereby providing a stable supporting elastic force to the support body 321.

[0159] It should be noted that, in the embodiment of the present application, the first plug hole 312 and the second plug hole 313 are opened on the same side of the housing 310. In this way, when the door body 200 is in the closed state, the exposed support assembly 320 and the adjustment assembly 330 are both located on the back side of the door body 200, which has a better aesthetic appearance.

[0160] Alternatively, the first plug hole 312 and the second plug hole 313 may be provided on two adjacent sides of the housing 310. In this way, when the door body 200 is in a closed state, the gap spacing of the door body 200 may be adjusted by the adjustment component 330 exposed on the side, which is more convenient.

[0161] Among them, Figure 5 and Figure 6 As shown, the shell 310 includes two parts of a split structure, with an adjustment chamber including a first chamber 3111, a second chamber 3112, a third chamber 3113 and a fourth chamber 3114 inside, so as to facilitate the installation of corresponding components in each chamber inside the shell 310.

[0162] It should be understood that the terms used herein are for the purpose of describing specific example embodiments only and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "comprise", "include", "contain" and "have" are inclusive and therefore specify the presence of stated features, steps, operations, elements and / or parts, but do not exclude the presence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring them to be performed in the specific order described or illustrated, unless the order of execution is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0163] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates otherwise, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0164] The foregoing description is intended only to provide specific embodiments of the present invention, which will enable those skilled in the art to understand and implement the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not intended to be limited to the embodiments shown herein, but is intended to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A spacing adjustment device, characterized in that: include: A housing (310), wherein the housing (310) is provided with an adjustment cavity (311), and a first plug hole (312) and a second plug hole (313) communicating with the adjustment cavity (311); a support assembly (320), wherein a portion of the support assembly (320) is located in the adjustment cavity (311), and another portion of the support assembly (320) is used to extend out of the adjustment cavity (311) through the first plug hole (312); and an adjustment component (330), wherein a portion of the adjustment component (330) is inserted into the second plug hole (313), and a portion of the adjustment component (330) is located in the adjustment cavity (311); the adjustment component (330) is configured to have a switchable first state and a second state; When the adjusting assembly (330) is in the first state, the portion of the adjusting assembly (330) located in the adjusting cavity (311) is in transmission connection with the supporting assembly (320) to drive the supporting assembly (320) to adjust the insertion depth in the first insertion hole (312); When the adjusting component (330) is in the second state, the adjusting component (330) is prevented from driving the supporting component (320) to adjust the insertion depth in the first insertion hole (312).

2. The spacing adjustment device according to claim 1, characterized in that: The adjustment component (330) includes: a first transmission member (331), the first transmission member (331) being located in the adjustment cavity (311), and the first transmission member (331) being used for transmission connection with the support assembly (320); and an adjusting rod (332), one end of the adjusting rod (332) being inserted into the second plug hole (313), and the other end of the adjusting rod (332) being located in the adjusting cavity (311); When the adjusting assembly (330) is in the first state, the adjusting rod (332) moves to the first position along the axial direction of the second plug hole (313); the adjusting rod (332) is in transmission connection with the first transmission member (331) to drive the first transmission member (331) to rotate, so as to adjust the insertion depth of the supporting assembly (320) in the first plug hole (312); When the adjustment assembly (330) is in the first state, the adjustment rod (332) moves to a second position along the axial direction of the second plug hole (313), the adjustment rod (332) is disconnected from the first transmission member (331), and / or the adjustment rod (332) is restricted from rotating.

3. The spacing adjustment device according to claim 2, characterized in that: The spacing adjustment device further includes: First meshing teeth (314), the first meshing teeth (314) being provided on the inner side of the housing (310); and a second meshing tooth (3321), the adjusting rod (332) is provided with the second meshing tooth (3321); When the adjusting rod (332) is at the second position, the second engaging teeth (3321) engage with the first engaging teeth (314) to prevent the adjusting rod (332) from rotating; When the adjusting rod (332) is at the first position, the second meshing teeth (3321) are disengaged from the first meshing teeth (314).

4. The spacing adjustment device according to claim 3, characterized in that: The regulating cavity (311) comprises a first chamber (3111) and a second chamber (3112); along the axial direction of the second plug hole (313), the second plug hole (313), the first chamber (3111) and the second chamber (3112) are sequentially connected; The first transmission member (331) is at least partially located in the second chamber (3112), and the adjustment rod (332) is inserted into the second plug hole (313), the first chamber (3111), and the second chamber (3112) at the first position; Along the axial direction of the second plug hole (313), a second limiting portion (3322) is provided on the portion of the adjusting rod (332) located in the first chamber (3111) to prevent the adjusting rod (332) from escaping from the second plug hole (313) in a direction away from the second chamber (3112); The adjustment assembly (330) includes a second elastic member (334). Along the axial direction of the second plug hole (313), the second elastic member (334) is arranged between the side wall of the first chamber (3111) close to the second chamber (3112) and the second limiting portion (3322), and the second elastic member (334) is in a compressed state so that the adjustment rod (332) is in the initial state of the second position.

5. The spacing adjustment device according to claim 4, characterized in that: Along the axial direction of the second plug-in hole (313), the shell (310) is provided with the first meshing tooth on the inner wall of the first chamber (3111) away from the second chamber (3112), and the second limiting portion (3322) is provided with the second meshing tooth on the side facing the second plug-in hole (313).

6. The spacing adjustment device according to claim 2, characterized in that: Along the axial direction of the second plug hole (313), the adjusting rod (332) is provided with a third limiting portion (3323) at one end located in the adjusting cavity (311), and the first transmission member (331) is provided with a fourth limiting portion (3311); At least when the adjusting rod (332) is at the first position, the third limiting portion (3323) is plugged and adapted with the fourth limiting portion (3311), so that the adjusting rod (332) drives the first transmission member (331) to rotate.

7. The spacing adjustment device according to claim 6, characterized in that: In the cross section of the adjusting rod (332) perpendicular to the axial direction, the cross section of the third limiting portion (3323) is rectangular; and / or, The fourth limiting portion (3311) is a rectangular hole adapted to the third limiting portion (3323); and / or, When the adjusting rod (332) is at the second position, the third limiting portion (3323) and the fourth limiting portion (3311) are out of the plug-in fitting state.

8. The spacing adjustment device according to any one of claims 2 to 7, characterized in that: The adjustment component (330) further includes: A second transmission member (335) is located in the adjustment cavity (311), the second transmission member (335) is provided with a threaded hole (3351), the first transmission member (331) is provided with an external thread structure and is plugged and adapted to the threaded hole (3351), and the first transmission member (331) is used to drive the second transmission member (335) to slide axially along the second plug hole (313); and a rotating member (336) rotatably mounted in the adjusting cavity (311); the second transmission member (335) is used for transmission connection with the supporting assembly (320) through the rotating member (336) to adjust the insertion depth of the supporting assembly (320) in the first insertion hole (312).

9. The spacing adjustment device according to claim 8, characterized in that: The adjusting assembly (330) includes a first positioning shaft (3352), the first positioning shaft (3352) is fixedly connected to the second transmission member (335); the rotating member (336) is provided with a first positioning groove (3361), the first positioning shaft (3352) is plugged and adapted to the first positioning groove (3361), and is used to drive the rotating member (336) to rotate; and / or, The support assembly (320) includes a support body (321) and a second positioning shaft (3213), a portion of the support body (321) is inserted into the first plug hole (312), and a portion of the support body (321) is located in the adjustment cavity (311) and fixedly connected to the second positioning shaft (3213); the rotating member (336) is provided with a second positioning groove (3362), and the second positioning shaft (3213) is plugged and adapted to the second positioning groove (3362), so that the rotating member (336) is used to adjust the insertion depth of the support body (321) in the first plug hole (312).

10. The spacing adjustment device according to claim 8, characterized in that: The rotating member (336) comprises: Rotating shaft (3363); A first rotating plate (3364), wherein two ends of the first rotating plate (3364) are provided with a first positioning groove (3361) and a second positioning groove (3362); and a second rotating plate (3365), wherein the first positioning groove (3361) and the second positioning groove (3362) are provided at both ends of the second rotating plate (3365), and the first rotating plate (3364) and the second rotating plate (3365) are arranged at intervals along the axial direction of the rotating shaft portion (3363) and are connected to the rotating shaft portion (3363) to form an avoidance groove (3366) between the first rotating plate (3364) and the second rotating plate (3365).

11. The spacing adjustment device according to any one of claims 1 to 7, characterized in that: The support assembly (320) includes: A supporting body (321), a portion of the supporting body (321) is inserted into the first plug hole (312); a first limiting portion (3211), a portion of the support body (321) and the first limiting portion (3211) are located in the adjustment cavity (311); the first limiting portion (3211) is connected to the support body (321) to prevent the support body (321) from being separated from the adjustment cavity (311) through the first plug hole (312); and a first elastic member (325), the first elastic member (325) being located in the adjustment cavity (311), the first elastic member (325) being located on a side of the support body (321) away from the first plug hole (312), and the first elastic member (325) being compressed and disposed between the support body (321) and the housing (310); The support body (321) located in the adjustment cavity (311) is used for transmission connection with the adjustment component (330), so that the adjustment component (330) adjusts the insertion depth of the support body (321) in the first insertion hole (312) in the first state.

12. The spacing adjustment device according to claim 11, characterized in that: The support assembly (320) further includes a support member (323), the support body (321) is provided with a third plug hole (3212) corresponding to the first plug hole (312), one end of the support member (323) is inserted into the third plug hole (3212), and the other end of the support member (323) is located outside the housing (310); and / or, One end of the support body (321) is located outside the housing (310) via the first plug hole (312), and the adjustment component (330) is used to adjust the extension length of the support body (321) from the first plug hole (312).

13. The spacing adjustment device according to claim 11, characterized in that: The supporting body (321) is provided with a fifth limiting portion (3214) for plugging and adapting the first elastic member (325); and / or, The housing (310) is provided with a sixth limiting portion (315) in the regulating cavity (311), and the sixth limiting portion (315) is used for plugging and adapting the first elastic member (325); and / or, The first plug hole (312) and the second plug hole (313) are opened on the same side of the housing (310).

14. A box, characterized in that: include: The box frame body (100) is provided with a storage compartment (110) therein; a door body (200), the door body (200) being hinged to the box frame body (100) via a hinge, and being used to open or close the storage compartment (110); And a distance adjustment device as described in any one of claims 1 to 13, wherein the distance adjustment device is installed on a side of the door body (200) away from the hinge; when the door body (200) closes the storage compartment (110), the support assembly (320) is located at one end outside the shell (310) and is supported by the box frame body (100) to adjust the distance between the door body (200) and the box frame body (100).

15. A refrigerator, characterized in that: Comprising the box as claimed in claim 14.

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