Hinge assembly and refrigeration equipment

Abstract

The invention discloses a hinge assembly and refrigeration equipment. The hinge assembly comprises a movable shaft and a groove body, the groove body comprises a first track groove and a second track groove; the movable shaft comprises a shaft body which sequentially moves in the first track groove and the second track groove; the groove body is further provided with a connecting groove located between the first track groove and the second track groove. The two opposite sides of the connecting groove are provided with a protruding part protruding towards the connecting groove and a concave part concavely arranged in the direction away from the connecting groove correspondingly. The whole cross section of the shaft body is in a flat shape and has the length direction and the width direction, the shaft body is provided with an avoiding groove which is opened in the width direction of the shaft body, and the avoiding groove is opposite to the protruding part when the shaft body slides to the connecting groove. The avoiding groove is formed in the shaft body, so that the flat shaft body can better steer in the groove body, and the door body is smoother in the opening process on the premise that the width of the groove body is not increased.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and in particular to a hinge assembly and a refrigeration device. Background Art

[0002] Embedded electrical appliances can be integrated with the external environment and are becoming more and more popular. Embedded refrigeration equipment, such as embedded refrigerators, generally includes a box body and a door body that rotates on the box body. A storage space is provided in the box body, and the door body is used to open or close the storage space. In order to make the door body more beautiful after closing, the distance between the embedded refrigeration equipment and the external environment is made as small as possible after the door body is closed, but such a structural setting will affect the opening of the door body. In order to solve the above technical problems, a hinge assembly with a dual-axis structure is used in the prior art, that is, while the door body rotates along the main axis during opening, there is also a secondary axis to guide the door body to control the movement of the door body, so that the movement of the door body can be controlled during the opening process to avoid interference from external environmental parts.

[0003] The structural design of the double-axis is relatively complicated. In the prior art, a flat axis body is used in combination with a multi-section track groove to realize the control of the door opening. However, it is inconvenient for the flat axis body to slide and turn in different track grooves. Summary of the invention

[0004] The purpose of the present invention is to enable the flat shaft body to better realize the turning in the groove body, and to make the door body smoother during the opening process without increasing the width of the groove body.

[0005] To achieve one of the above-mentioned purposes of the invention, an embodiment of the present invention provides a hinge assembly, comprising a movable shaft and a groove body; the groove body comprises a first track groove and a second track groove; the movable shaft comprises a shaft body that moves in the first track groove and the second track groove in sequence;

[0006] The groove body also has a connecting groove located between the first track groove and the second track groove, and opposite sides of the connecting groove respectively form a protrusion protruding toward the connecting groove and a recessed portion recessed away from the connecting groove;

[0007] The cross-section of the shaft body is flat as a whole and has a length direction and a width direction. The shaft body is provided with an avoidance groove which is open in the width direction of the shaft body. When the shaft body slides to the connecting groove, the avoidance groove is opposite to the protrusion.

[0008] Furthermore, the opening size of the avoidance groove is not smaller than the size of the protrusion.

[0009] Furthermore, the first track groove is extended in a curved shape as a whole, and the second track groove is extended in a straight line as a whole;

[0010] The angle between the tangent direction of the end position of the first track groove and the extension direction of the second track groove is not less than 90°.

[0011] Furthermore, the first track groove is in the shape of an arc.

[0012] Furthermore, the outer wall of the shaft body also has a pair of arcuate surfaces, and the pair of arcuate surfaces are arranged opposite to each other along the length direction; the arcuate surfaces protrude in opposite directions; and the protruding direction of the arcuate surfaces is perpendicular to the opening direction of the avoidance groove.

[0013] Furthermore, a secondary avoidance groove is provided on one side of the shaft body away from the avoidance groove and is arranged opposite to the avoidance groove, and the secondary avoidance groove is symmetrically arranged with the avoidance groove along the width direction of the shaft body;

[0014] The arc surface is connected between the avoidance groove and the auxiliary avoidance groove, and the position where the arc surface is combined with the avoidance groove forms a first rotation limit portion, and the position where the arc surface is combined with the auxiliary avoidance groove forms a second rotation limit portion; the first rotation limit portion and the second rotation limit portion are respectively used to abut against the inner wall of the groove body to generate circumferential rotation in the groove body when the shaft body slides along the groove body.

[0015] Another embodiment of the present invention further discloses a refrigeration device, comprising a box body having an accommodating space, a door body and the hinge assembly; the door body is pivoted on the box body through the hinge assembly to open or close the accommodating space; the box body has a box side wall and a box front wall;

[0016] During the opening process of the door body, the shaft body moves in the first track groove and the second track groove in sequence.

[0017] Furthermore, the hinge assembly further comprises a hinge plate arranged on the box body, the groove body is arranged on the hinge plate, and the shaft body is arranged on the door body;

[0018] The first track groove is in an arc shape as a whole, and is extended in a direction gradually away from the box front wall and the box side wall as a whole.

[0019] Furthermore, the hinge assembly further comprises a hinge plate arranged on the box body, the shaft body is arranged on the hinge plate, and the groove body is arranged on the door body;

[0020] When the door body is in a closed state, the first track groove is in an arc shape as a whole, and is extended in a direction gradually approaching the box front wall and the box side wall as a whole.

[0021] Furthermore, the refrigeration equipment is a refrigerator.

[0022] Compared with the prior art, the present invention has an avoidance groove on the shaft body and the avoidance groove is opened in the width direction of the shaft body, so that the avoidance groove and the protrusion are opposite to each other when the shaft body slides to the connecting groove, so that the flat shaft body can better realize the turning in the groove body, and the door body can be opened more smoothly without increasing the width of the groove body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of a refrigeration device according to a first embodiment of the present invention;

[0024] Figure 2 It is a schematic structural diagram of a door body in a refrigeration device according to a first embodiment of the present invention;

[0025] Figure 3 It is a schematic diagram of the installation structure of the shaft body in the refrigeration equipment according to the first embodiment of the present invention;

[0026] Figure 4 is a top view of the shaft body of the refrigeration device according to the first embodiment of the present invention;

[0027] Figure 5 It is a schematic structural diagram of the refrigeration device in the first embodiment of the present invention when the door body is opened and the shaft body initially enters the connection groove;

[0028] Figure 6 It is a schematic diagram of the structure of the refrigeration device in the first embodiment of the present invention when the door body is opened and the shaft body moves into the connecting groove;

[0029] Figure 7 It is a schematic structural diagram of the refrigeration device in the first embodiment of the present invention when the door body is opened until the avoidance groove of the shaft body is completely connected with the protrusion;

[0030] Figure 8 is a schematic structural diagram of a door body of a refrigeration device according to a first embodiment of the present invention at a maximum opening angle;

[0031] Fig. 9 is a schematic structural diagram of a door body of a refrigeration device in a second embodiment of the present invention when it is closed;

[0032] Fig.10 It is a schematic diagram of the installation structure of the door body and the hinge assembly in the refrigeration equipment of the second embodiment of the present invention;

[0033] Fig.11 is a schematic diagram of the installation structure of the hinge assembly in the refrigeration equipment according to the second embodiment of the present invention;

[0034] Fig.12 is a schematic structural diagram of a movable shaft in a refrigeration device according to a second embodiment of the present invention;

[0035] Fig.13 is a schematic cross-sectional structure diagram of a movable shaft in a refrigeration device according to a second embodiment of the present invention;

[0036] Fig.14 is a schematic structural diagram of a tank body in a refrigeration device according to a second embodiment of the present invention;

[0037] Fig.15 is a schematic structural diagram of a refrigeration device in a second embodiment of the present invention when the door body is opened until the avoidance groove of the shaft body is completely connected with the protrusion;

[0038] Fig.16 is a schematic structural diagram of a door body of a refrigeration device according to a second embodiment of the present invention at a maximum opening angle; Description of the drawings:

[0040] 1-box body, 11-box front wall, 12-box side wall, 2-door body, 21-door front wall, 22-door side wall, 23-door outer edge, 24-door inner edge, 3-hinge assembly, 31-movable shaft, 311-axis body, 3111-avoidance groove, 3112-arc surface, 3113-secondary avoidance groove, 3114-first rotation limiting part, 3115-second rotation limiting part, 312-installing part, 313-upper limit plate, 314-lower limit plate, 32-slot body, 321-first track groove, 322-second track groove, 323-connecting groove, 3231-protrusion, 3232-recess, 33-hinge plate. DETAILED DESCRIPTION

[0041] The present invention will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, methodological, or functional changes made by a person skilled in the art based on these embodiments are all within the scope of protection of the present invention.

[0042] One embodiment of the present invention provides a refrigeration device, which can be a box embedded in an external environment part. The external environment part can be, for example, a decorative part such as a cabinet or a stone slab. The refrigeration device can be a refrigerator or other household appliances embedded in the external environment part, such as a wine cabinet, a storage cabinet, etc.

[0043] In this embodiment, Figure 1 As shown, the refrigeration device includes a box body 1 for providing an internal storage space, a door body 2 and a hinge assembly 3, and the door body 2 is pivoted on the box body 1 through the hinge assembly 3 to open or close the storage space;

[0044] In this embodiment, the box body 1 has a box front wall 11 and a box side wall 12 arranged perpendicular to the box front wall 11. In this embodiment, the box front wall 11 and the box side wall 12 are roughly flat. The opening of the storage space is arranged on the box front wall 11, and the door body 2 is located at the front side of the box body 1 as a whole, and when the door body 2 is in a closed state, the opening of the storage space is closed. It should be noted that the front side here is the opening direction of the storage space.

[0045] The door body 2 also has a door front wall 21, a door side wall 22 and a door rear wall. The intersection of the door front wall 21 and the door side wall 22 forms a door outer edge 23, and the intersection of the door side wall 22 and the door rear wall forms a door inner edge 24. When the door body 2 is in a closed state, that is, when the door body 2 covers the storage space opening, the door front wall 21 is arranged on the side of the door body 2 away from the box front wall 11. In this embodiment, the door front wall 21 is flat as a whole, and is roughly parallel to the box front wall 11 when the door body 2 is in a closed state.

[0046] The box body 1 is arranged beside the external environment part. After the box body 1 is put in place, the box side wall 12 faces the first side of the external environment part, that is, the box side wall 12 is opposite to the first side of the external environment part, and the box side wall 12 is roughly parallel to the first side of the external environment part.

[0047] When the door body 2 is in the closed state, the door side wall 22 also faces the first side of the external environment component, and the door side wall 22 is opposite to the first side. In this embodiment, the door side wall 22 is flat as a whole, and is roughly parallel to the first side of the external environment component.

[0048] In this embodiment, the door front wall 21 and the door side wall 22 are both roughly planar. When the door body 2 is in a closed state, the door front wall 21 is parallel to the box front wall 11, and the plane where the door side wall 22 is located is parallel to the plane where the box side wall 12 is located. Of course, in other embodiments, the door front wall 21 and the door side wall 22 can also be curved or cambered.

[0049] In this specific embodiment, Figure 1-5 As shown, the hinge assembly 3 includes a movable shaft 31 and a slot body 32 ; the movable shaft 31 includes an axis body 311 movable in the slot body 32 , and the axis body 311 and the slot body 32 move relative to each other during the opening process of the door body 2 .

[0050] In a specific embodiment, the slot body 32 includes a first track slot 321 and a second track slot 322; the shaft body 311 moves in the first track slot 321 and the second track slot 322 in sequence;

[0051] The groove body 32 further has a connecting groove 323 between the first track groove 321 and the second track groove 322. The connecting groove 323 is a connecting portion between the first track groove 321 and the second track groove 322. The connecting groove 323 can also be regarded as an overlapping position of a portion of the extension of the first track groove 321 and a portion of the extension of the second track groove 322. The shaft body 311 moves from the first track groove 321 to the second track groove 322 from the connecting groove 323.

[0052] The shaft body 311 is slidably matched with the first track groove 321, and opposite sides of the connecting groove 323 respectively form a protrusion 3231 protruding toward the connecting groove 323 and a recessed portion 3232 recessed away from the connecting groove 323;

[0053] The cross-section of the shaft body 311 is flat as a whole and has a length direction and a width direction. The shaft body 311 is provided with an avoidance groove 3111 which is opened in the width direction of the shaft body 311. When the shaft body 311 slides to the connecting groove 323, the avoidance groove 3111 is opposite to the protrusion 3231.

[0054] In this embodiment, during the opening process of the door body 2, the movement of the door body 2 can be achieved by sliding the shaft body 311 along the first track groove 321, and since the shaft body 311 is flat as a whole, it can prevent the shaft body 311 from rotating in the circumferential direction in the first track groove 321 when sliding along the first track groove 321. When the shaft body 311 rotates circumferentially in the first track groove 321, the door body 2 will rotate synchronously, and premature rotation of the door body 2 will cause the outer edge 23 of the door to be interfered with by external environmental components. The flat setting of the shaft body 311 in this embodiment can make the door body 2 only slide along the first track groove 321 instead of rotating in the initial stage of opening, thereby effectively preventing the door body 2 from interfering with the external environment in the initial stage of opening.

[0055] Although the setting of the flat shaft body 311 can effectively prevent the shaft body 311 from rotating in the circumferential direction in the first track groove 321, when the entire groove body 32 is provided with multiple track grooves, the sliding direction needs to be turned at different track groove combination positions, and the sliding of the flat shaft body 311 in the groove body will be restricted.

[0056] Specifically, in the present embodiment, the slot body 32 comprises a first track slot 321 and a second track slot 322, which are connected by a connecting slot 323, and the first track slot 321 and the second track slot 322 are extended in different directions as a whole, and the extending directions of the two are intersecting as a whole, so that a protrusion 3231 protruding in the direction of the connecting slot 323 and a recessed portion 3232 recessed in the direction away from the connecting slot 323 are respectively formed on opposite sides of the connecting slot 323. That is, the slot body forms a turning point at the connecting slot 323, and due to the setting of the protrusion 3231, the shaft body 311, which is flat as a whole, is easily interfered when turning from the extending direction of the first track slot 321 to the extending direction of the second track slot 322, resulting in uneven rotation.

[0057] In this embodiment, the shaft body 311 is provided with an avoidance groove 3111 and the avoidance groove 3111 is opened in the width direction of the shaft body, and when the shaft body 311 slides to the connecting groove 323, the avoidance groove 3111 is opposite to the protrusion 3231. Thus, the flat shaft body 311 can be turned better in the groove body, and the door body 2 can be opened more smoothly without increasing the width of the groove body 32.

[0058] In this embodiment, the avoidance groove 3111 is matched with the protrusion 3231. The opening size of the avoidance groove 3111 is not less than the size of the protrusion 3231. The above-mentioned structure can make the protrusion 3231 rotate better in the avoidance groove 3111.

[0059] In a specific embodiment, Figure 1-4 As shown, the first track groove 321 is extended in a long strip shape as a whole. The extension shape of the first track groove 321 can be a straight line or a curve. In this embodiment, in order to better realize the movement of the door body 2, the first track groove 321 is extended in a curve shape as a whole.

[0060] The second track groove 322 is extended in a straight line as a whole; the angle between the tangent direction of the end position of the first track groove 321 and the extension direction of the second track groove 322 is not less than 90°.

[0061] In the prior art, in order to achieve the opening angle of the door body, the angle between the extending directions of the adjacent track grooves is generally smaller when multiple track grooves are set. The smaller angle increases the difficulty of the shaft body 311 sliding in different track grooves, especially for a flat shaft body extending in a certain direction. In this embodiment, the avoidance groove 3111 is set to allow the shaft body 311 to generate more relative rotation when sliding along the groove body. Therefore, when the angle between the extending direction of the first track groove 321 and the second track groove 322 is larger, the shaft body 311 can also achieve more relative rotation. It is not necessary to design the extending direction angle of the first track groove 321 and the second track groove 322 to be smaller, and the door body 2 can be opened with a larger rotation, so that the sliding of the shaft body 311 is smoother.

[0062] The first track groove 321 is in an arc shape, and the curved section of the first track groove 321 is a circular section. Such a structural arrangement enables the shaft body 311 to slide more smoothly in the first track groove 321 .

[0063] like Figure 3-4 As shown, the outer wall of the shaft body 311 also has a pair of arcuate surfaces 3112, and the pair of arcuate surfaces 3112 are arranged opposite to each other along the length direction; the arcuate surfaces 3112 protrude in opposite directions; the protruding direction of the arcuate surfaces 3112 is perpendicular to the opening direction of the avoidance groove 3111.

[0064] The shaft body 311 is provided with a pair of arc-shaped surfaces 3112 disposed opposite to each other along the length direction, so that the shaft body 311 can slide more smoothly in the groove body 32 .

[0065] like Figure 4 As shown, a secondary avoidance groove 3113 which is arranged opposite to the avoidance groove 3111 is arranged on one side of the shaft body 311 away from the avoidance groove 3111, and the secondary avoidance groove 3113 and the avoidance groove 3111 are arranged symmetrically along the width direction of the shaft body 311;

[0066] The arc surface 3112 is connected between the avoidance groove 3111 and the auxiliary avoidance groove 3113, and the position where the arc surface 3112 and the avoidance groove 3111 are combined forms a first rotation limit portion 3114, and the position where the arc surface 3112 and the auxiliary avoidance groove 3113 are combined forms a second rotation limit portion 3115; the first rotation limit portion 3114 and the second rotation limit portion 3115 are respectively used to abut against the inner wall of the groove body 32 so that when the shaft body 311 slides along the groove body 311, the book searching shaft body 311 generates circumferential rotation in the groove body 32.

[0067] By arranging a rotation limiting portion on the outer wall of the shaft body 311 to achieve abutment with the inner wall of the first track groove 321, a simple structure is adopted to achieve circumferential rotation limiting of the shaft body 311 in the first track groove 321, which is simpler in structure and more convenient to operate.

[0068] The first rotation limiting portion 3114 and the second rotation limiting portion 3115 are arranged along the width direction of the shaft body, and the first rotation limiting portion 3114 and the second rotation limiting portion 3115 are symmetrically arranged on both sides of the shaft body 311 .

[0069] Since a pair of arc-shaped surfaces 3112 arranged opposite to each other are formed on the shaft body 311, a pair of corresponding first rotation limit portions 3114 and second rotation limit portions 3115 are also provided. The pair of first rotation limit portions 3114 are arranged along the length direction of the shaft body 311, and the pair of second rotation limit portions 3115 are arranged along the length direction of the shaft body 311.

[0070] When the shaft body 311 slides along the first trajectory groove 321, the rotation of the shaft body 311 in the circumferential direction is limited by four rotation limit parts. When the shaft body 311 contacts the inner wall of one side of the first trajectory groove 321, it is through two rotation limit parts. Two points can achieve a surface limitation. Therefore, compared with the entire surface contact between the shaft body 311 and the inner wall of the first trajectory groove 321, the use of two rotation limit parts to achieve rotation limitation in this embodiment can enable the shaft body 311 to move more smoothly in the first trajectory groove 321.

[0071] In a specific embodiment, the movable shaft 31 can be arranged on the door body 2 or on the box body 1. Figure 1-8 As shown, when the movable shaft 31 is arranged on the box body 1, the groove body 32 is correspondingly arranged on the door body 2; Figure 9-16 As shown, when the movable shaft 31 is arranged on the door body 2 , the groove body 32 is correspondingly arranged on the box body 1 .

[0072] like Figure 1-8 As shown, when the movable shaft 31 is set on the box body 1, in order to facilitate the setting of the movable shaft 31, the hinge assembly 3 also has a hinge plate 33 set on the box body 1, and the movable shaft 31 has a mounting portion 312 fixed on the hinge plate 33, and the shaft body 311 and the mounting portion 312 are arranged along the axial direction of the shaft body 311.

[0073] The groove body 32 is directly arranged on the door body 2, and the bottom or top of the door body 2 directly forms a groove opening upward or downward, and the shaft body 311 is positioned in the groove. Such a structural arrangement can more conveniently realize the installation and fixation of the door body 2 on the box body 1, which is convenient for loading or disassembly of the door body 2.

[0074] like Figure 1As shown, when the door body 2 is in the closed state, the shaft body 311 is located at the beginning of the first track groove 321, and the beginning of the first track groove 321 is relatively arranged near the door front wall 21. The end of the first track groove 321 is located closer to the door side wall 22 and the box front wall 12 relative to the beginning.

[0075] like Figure 1 As shown, when the door body 2 is in a closed state, the starting end of the first track groove 321 is relatively close to the door front wall 21 and relatively far from the door side wall 22, and the starting end of the first track groove 321 is relatively far from the box front wall 11 and the box side wall 12 relative to the end of the first track groove 321. During the opening process of the door body 2, the shaft body 311 slides relatively along the first track groove 321 from the starting end to the end. When the door body 2 is in a closed state, the first track groove 321 extends in a direction gradually approaching the box front wall 11 and the box side wall 12, and the extension direction of the first track groove 321 is also the overall direction of movement from the starting end to the end of the first track groove 321.

[0076] The first track groove 321 is provided so that the door body 2 as a whole has a motion tendency to move relatively away from the box side wall 12 and away from the box front wall 11 during the opening process. Taking the door body 2 as a reference, the shaft body 313 has a motion component that moves relatively away from the door front wall 21 and gradually toward the door side wall 22.

[0077] In the initial stage of the opening process, the outer edge 23 of the door and the inner edge 24 of the door are relatively located away from the shaft 311. In order to prevent the outer edge 23 of the door from being affected by interference from external environmental parts and to prevent the inner edge 24 of the door from being affected by interference from the box body 1, the first track groove 321 is extended as a whole toward the position of the inner edge 24 of the door. Such a structural arrangement allows the door body 2 to be pulled out obliquely in the oblique direction as a whole during the opening process. After the door body 2 moves to a position convenient for rotation and opening, subsequent rotation can be achieved.

[0078] like Figure 2 As shown, the first track groove 321 is extended in a curve as a whole, and the first track groove 321 includes a first groove section and a second groove section sequentially arranged along the extension direction of the first track groove 321, and the second groove section is located between the second track groove 322 and the first groove section.

[0079] During the opening process of the door body 2, as the opening angle of the door body 2 increases, the shaft body 311 slides along the first groove section and the second groove section in sequence. It should be noted that there is no clear boundary between the first groove section and the second groove section, and this only indicates the process of the shaft body 311 sliding in the first track groove 321.

[0080] When the first groove section slides, the movement amplitude of the shaft body 311 relatively away from the door front wall 21 is greater than the movement amplitude of the shaft body 311 relatively close to the door side wall 22; the movement amplitude of the door body 2 relatively away from the door front wall 21 is greater than the movement amplitude of the door body 2 relatively away from the box side wall 12.

[0081] When the first slot section moves, the door body 2 is more inclined to move away from the box body 1 than to move away from the external environment. That is, the door body 2 is more inclined to move forward than to move inward. It should be noted that the forward here refers to the movement of the door body 2 away from the box body 1, and the inward movement means that the door body 2 moves away from the external environment.

[0082] When the second slot section slides, the movement amplitude of the shaft body 311 on the side relatively away from the door front wall 21 is smaller than the movement amplitude of the shaft body 311 on the side relatively close to the door side wall 22; the movement amplitude of the door body 2 away from the box front wall 11 is smaller than the movement amplitude of the door body 2 away from the box side wall 12. That is, when the second slot section moves, compared with moving away from the box body 1, the door body 2 is more inclined to move away from the external environment. That is, compared with moving forward, the door body 2 is more inclined to move inward.

[0083] The arrangement of the above-mentioned structure actually ensures that before the door body 2 is opened to the first angle, when the shaft body 311 slides along the first groove section, the distance the door body 2 moves forward is greater than the distance it moves inward; when the door body 2 is opened from the first angle to the second angle, the shaft body 311 slides along the second groove section, and at this time, the distance the door body 2 moves inward is greater than the distance it moves forward, wherein the second angle is greater than the first angle.

[0084] The above structure allows the first track groove 321 to extend in an arc shape as a whole, and the arc formed by the first track line 321 arches in the direction away from the door outer edge 23 , and the first track groove 321 extends in the direction gradually approaching the door side wall 22 and gradually away from the door front wall 21 .

[0085] Although the relative movement of the shaft body 311 in the entire first track groove 321 is relatively and gradually extending in the direction away from the door front wall 21 and close to the door side wall 22, it is more inclined to extend in the direction away from the door front wall 21 in the first groove section, and the second groove section is more inclined to extend in the direction close to the door side wall 22.

[0086] Since the inner edge 24 of the door is farther from the shaft 311 in the initial stage of the door opening, the interference between the inner edge 24 of the door and the box body 1 needs to be more considered in the initial stage. Therefore, the door body 2 needs to move further away from the box body 1, that is, the shaft body moves relatively away from the door front wall 21.

[0087] After opening to a certain angle, more consideration needs to be given to interference from external environmental components, so that the door body 2 moves more toward the inside, that is, the shaft body 311 moves more toward the direction close to the door side wall 22. The above-mentioned structure can be set to more precisely control the opening process of the door body 2 according to the actual needs of the door body 2 during the opening process, and can better avoid interference from the door body 2 during the opening process.

[0088] In the initial stage of the door body 2 opening, the door outer edge 23 first gradually moves toward the plane where the box side wall 12 is located, and then as the door body 2 is further opened, the door outer edge 23 gradually moves away from the plane where the door box side wall 12 is located.

[0089] When the door body 2 is closed, the second track groove 322 is extended as a whole toward the direction close to the door front wall 21 and the door side wall 22, that is, the extension direction from the beginning to the end of the second track groove 322 is extended as a whole toward the direction gradually close to the door front wall 21 and the door side wall 22. When the door body 2 is closed, the second track groove 322 is extended as a whole toward the direction close to the door outer edge 23.

[0090] like Figure 9-16 As shown, when the movable shaft 31 is arranged on the door body 2, the corresponding groove body 32 is arranged on the box body 1. In order to facilitate the arrangement of the groove body 32 on the box body 1, the hinge assembly also has a hinge plate 33 arranged on the box body 1, and the groove body 32 is arranged on the hinge plate 33. The movable shaft 31 has a mounting portion 312 connected and fixed to the door body 2, and the shaft body 311 and the mounting portion 312 are arranged along the axial direction of the shaft body 311.

[0091] like Fig.12 As shown, an upper limit plate 313 and a lower limit plate 314 are provided on the movable shaft 31, and the shaft body 311 is arranged between the upper limit plate 313 and the lower limit plate 314, the upper limit plate 313 is used to abut against the upper side of the hinge plate 33, and the lower limit plate 314 is used to abut against the lower side of the hinge plate 33.

[0092] The movable shaft 31 is installed and positioned on the hinge plate 33 in the axial direction by the upper limit plate 313 and the lower limit plate 314 .

[0093] The groove body 32 is directly arranged on the hinge plate 33 and penetrates the hinge plate 33 in the vertical direction. The bottom or top of the door body 2 directly forms a groove opened upward or downward, and the shaft body 311 is positioned in the groove.

[0094] like Fig.10 As shown, when the door body 2 is in the closed state, the shaft body 311 is located at the beginning of the first track groove 321 , and the beginning of the first track groove 321 is located closer to the box side wall 12 and the box front wall 11 relative to the end of the first track groove 321 .

[0095] When the door body 2 is opened, the shaft body 311 slides relatively along the first track groove 321, so that the door body 2 as a whole moves relatively away from the box side wall 12 and the box front wall 11, that is, the door body 2 moves inward and toward the front.

[0096] like Figure 9-10 As shown, when the door body 2 is in the closed state, the shaft body 31 is relatively located closer to the box side wall 12 and the box front wall 11. At the same time, the shaft body 31 is also located closer to the door side wall 22 and away from the door front wall 21 in the initial stage of closing the door body 2.

[0097] In order to prevent the door outer edge 23 from being affected by interference from external environmental components and to prevent the door inner edge 24 from being affected by interference from the box body 1 , the first track groove 321 is extended as a whole in a direction away from the box side wall 12 and away from the box front wall 11 .

[0098] like Fig.14 As shown, the first track groove 321 is extended in a curved shape as a whole, and the first track groove 321 includes a first groove section and a second groove section sequentially arranged along the extension direction of the first track groove 321, and the second groove section is located between the second track groove 322 and the first groove section. During the opening process of the door body 2, as the opening angle of the door body 2 increases, the shaft body 311 slides along the first groove section and the second groove section in sequence. It should be noted that there is no clear boundary between the first groove section and the second groove section, and this only indicates the process of the shaft body 311 sliding in the first track groove 321.

[0099] When sliding along the first slot section, the movement range of the shaft body 311 relatively away from the box side wall 12 is greater than the movement range of the shaft body 311 relatively away from the box front wall 11, that is, when moving in the first slot section, compared with the direction away from the box body 1, the door body 2 is more inclined to move away from the box side wall 12, that is, the door body 2 is more inclined to move away from the external environment. This means that compared with moving forward, the door body 2 is more inclined to move inward.

[0100] When sliding along the second groove section, the movement range of the shaft body 311 away from the box front wall 11 is relatively greater than the movement range of the shaft body 311 away from the box side wall 12, that is, when moving in the second groove section, the door body 2 is more inclined to move away from the box front wall 12 than to move away from the box side wall 12. That is, compared with moving inward, the door body 2 is more inclined to move forward.

[0101] Before the door body 2 opens to the first angle, when the shaft body 311 slides relatively along the first groove section, the distance that the door body 2 moves forward relative to is smaller than the distance that it moves inward; when the door body 2 opens from the first angle to the second angle, the shaft body 311 slides along the second groove section, and at this time, the distance that the door body 2 moves inward is smaller than the distance that it moves forward, wherein the second angle is larger than the first angle.

[0102] The above structure allows the first track groove 321 to extend in an arc shape as a whole, and the arc formed by the first track line 321 arches in the direction away from the door outer edge 23, and the first track groove 321 extends in the direction gradually away from the box side wall 12 and the box front wall 11.

[0103] In the embodiment where the shaft 311 is arranged on the door body 2 and the groove 32 is arranged on the box body 1, in the initial stage of the door body 2 being opened, the distance between the outer edge 23 of the door and the shaft 31 is greater than the distance between the inner edge 24 of the door and the shaft 31. Therefore, in the initial stage of the door body being opened, the movement amplitude of the outer edge 23 of the door is greater than the movement amplitude of the inner edge 24 of the door, which means that the outer edge 23 of the door is more susceptible to interference from external environmental components than the inner edge 24 of the door.

[0104] Therefore, when the first groove section moves, compared with the door body 2 moving away from the front wall 11 of the box, the door body 2 is more inclined to move inward, that is, it is more inclined to move away from the side wall 12 of the box, that is, the door body 2 is more inclined to move away from the external environment to avoid the door outer edge 23 being affected by interference from the external environment.

[0105] When the second slot section moves, compared with the door body 2 moving away from the box side wall 12, the door body 2 is more inclined to move in the front side, that is, it is more inclined to move in the direction away from the box front wall 12, that is, the door body 2 is more inclined to move in the direction away from the box body 1, so as to avoid the inner edge 24 of the door being affected by the interference of external environmental parts. The above-mentioned structure can be set to more finely control the opening process of the door body 2 according to the actual needs of the door body 2 during the opening process, and can better avoid the door body 2 from being interfered with during the opening process.

[0106] In the initial stage of the door body 2 opening, the door outer edge 23 first gradually moves toward the plane where the box side wall 12 is located, and then as the door body 2 is further opened, the door outer edge 23 gradually moves away from the plane where the door box side wall 12 is located. It should be noted that the movement of approaching or moving away from the box side wall 12 elsewhere in this document refers to the movement of approaching or moving away from the plane where the box side wall 12 is located. Correspondingly, the movement of approaching or moving away from the box front wall 11 elsewhere in this document refers to the movement of approaching or moving away from the plane where the box front wall 11 is located.

[0107] like Fig.10As shown, when the door body 2 is closed, the second track groove 322 is extended as a whole toward the direction close to the door front wall 21 and away from the door side wall 22, that is, the extension direction from the beginning to the end of the second track groove 322 is extended as a whole toward the direction gradually approaching the door front wall 21 and away from the door side wall 22. When the door body 2 is closed, the second track groove 322 is extended as a whole toward the direction away from the door inner edge 24.

[0108] It can be understood that the refrigeration device is a refrigerator, and is a built-in refrigerator.

[0109] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the present invention. They are not intended to limit the scope of protection of the present invention. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the present invention should be included in the scope of protection of the present invention.

Claims

1. A hinge assembly, characterized in that: It comprises a movable shaft and a groove body; the groove body comprises a first track groove and a second track groove; the movable shaft comprises a shaft body which moves in the first track groove and the second track groove in sequence; The groove body also has a connecting groove located between the first track groove and the second track groove, and opposite sides of the connecting groove respectively form a protrusion protruding toward the connecting groove and a recessed portion recessed away from the connecting groove; The cross-section of the shaft body is flat as a whole and has a length direction and a width direction. The shaft body is provided with an avoidance groove which is open in the width direction of the shaft body. When the shaft body slides to the connecting groove, the avoidance groove is opposite to the protrusion.

2. The hinge assembly according to claim 1, characterized in that: The opening size of the avoidance groove is not less than the size of the protrusion.

3. The hinge assembly according to claim 1, characterized in that: The first track groove is extended in a curved shape as a whole, and the second track groove is extended in a straight line as a whole; The angle between the tangent direction of the end position of the first track groove and the extension direction of the second track groove is not less than 90°.

4. The hinge assembly according to claim 3, characterized in that: The first track groove is in an arc shape.

5. The hinge assembly according to claim 1, characterized in that: The outer wall of the shaft body also has a pair of arcuate surfaces, which are arranged opposite to each other along the length direction; the arcuate surfaces protrude in opposite directions; and the protruding direction of the arcuate surfaces is perpendicular to the opening direction of the avoidance groove.

6. The hinge assembly according to claim 5, characterized in that: A secondary avoidance groove is arranged on one side of the shaft body away from the avoidance groove and is arranged opposite to the avoidance groove, and the secondary avoidance groove is symmetrically arranged with the avoidance groove along the width direction of the shaft body; The arc surface is connected between the avoidance groove and the auxiliary avoidance groove, and the position where the arc surface is combined with the avoidance groove forms a first rotation limit portion, and the position where the arc surface is combined with the auxiliary avoidance groove forms a second rotation limit portion; the first rotation limit portion and the second rotation limit portion are respectively used to abut against the inner wall of the groove body to generate circumferential rotation in the groove body when the shaft body slides along the groove body.

7. A refrigeration device, characterized in that: The invention comprises a box body having a containing space, a door body and a hinge assembly as claimed in any one of claims 1 to 6; the door body is pivoted on the box body through the hinge assembly to open or close the containing space; the box body has a box side wall and a box front wall; During the opening process of the door body, the shaft body moves in the first track groove and the second track groove in sequence.

8. The refrigeration device according to claim 7, characterized in that: The hinge assembly also has a hinge plate arranged on the box body, the groove body is arranged on the hinge plate, and the shaft body is arranged on the door body; The first track groove is in an arc shape as a whole, and is extended in a direction gradually away from the box front wall and the box side wall as a whole.

9. The refrigeration device according to claim 7, characterized in that: The hinge assembly also has a hinge plate arranged on the box body, the shaft body is arranged on the hinge plate, and the groove body is arranged on the door body; When the door body is in a closed state, the first track groove is in an arc shape as a whole, and is extended in a direction gradually approaching the box front wall and the box side wall as a whole.

10. The refrigeration equipment according to claim 7, characterized in that: The refrigeration equipment is a refrigerator.

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