Box assembly and refrigeration appliance

Abstract

The application discloses a box assembly and a refrigeration equipment. The box assembly comprises a box, a door body blocked at an opening of the box, and a hinge assembly. When the door body is in a closed state, a first reference plane passes through an inner edge and is parallel to a plane where the opening is located, and a second reference plane passes through an outer edge and is perpendicular to the plane where the opening is located. When the door body is opened to a first angle relative to the box from the closed state, the inner edge moves to a side of the second reference plane facing the opening, and the outer edge moves to the first reference plane. A tangent direction of a first inner edge track is arranged along the first reference plane or is inclined relative to the first reference plane at a first included angle not greater than 10 degrees. A tangent direction of a first outer edge track is arranged perpendicular to the first reference plane or is inclined relative to the first reference plane at a second included angle gradually approaching 90 degrees. A length ratio of the first inner edge track to the first outer edge track is 3.5-4.5. The problem that the door body is pressed against the box and exceeds a side of the box assembly when the door body is opened can be reduced.

Description

Technical Field

[0001] This application specifically relates to enclosure components and refrigeration equipment. Background Technology

[0002] For enclosure components with doors and enclosures, when the door is opened relative to the enclosure, the door may squeeze the enclosure or extend beyond the side of the enclosure component. This can lead to damage to the enclosure and interference with the installation environment. For example, in recessed installations, the part of the door extending beyond the side of the enclosure component may interfere with the embedded wall. Summary of the Invention

[0003] This application provides a cabinet assembly and a cooling device to solve the problems in the prior art where the door squeezes the cabinet and extends beyond the side of the cabinet assembly during opening.

[0004] To address the aforementioned technical problems, this application provides a housing assembly, the housing assembly comprising:

[0005] A housing, the housing being used to form a receiving space with an opening;

[0006] The door body is used to block the opening;

[0007] A hinge assembly is configured on the pivot side of the housing to pivotally connect the housing and the door.

[0008] The door has an inner edge and an outer edge on the pivot side. When the door is closed relative to the housing, the inner edge is closer to the housing than the outer edge. The door is further provided with a first reference plane and a second reference plane. The first reference plane passes through the inner edge when the door is closed and is parallel to the plane where the opening is located. The second reference plane passes through the outer edge when the door is closed and is perpendicular to the plane where the opening is located. The first reference plane and the second reference plane remain stationary relative to the housing during the opening process of the door relative to the housing.

[0009] Specifically, during the process of the door opening from the closed state relative to the housing to a first opening angle under the action of the hinge assembly, the inner edge moves along the first inner edge trajectory toward the side of the second reference plane facing the opening, and the outer edge moves along the first outer edge trajectory toward the first reference plane. The tangent direction of the first inner edge trajectory is set along the first reference plane or is inclined relative to the first reference plane at a first included angle of no more than 10 degrees. The tangent direction of the first outer edge trajectory is set perpendicular to the first reference plane or is inclined relative to the first reference plane at a second included angle gradually approaching 90 degrees. The ratio of the length of the first inner edge trajectory to the length of the first outer edge trajectory is 3.5-4.5.

[0010] In this application, the door and the cabinet are pivotally connected by a hinge assembly, which may lead to issues such as the door pressing against the cabinet or the door extending beyond the side of the cabinet. Therefore, this application defines the tangent direction of the movement trajectory of the inner edge pressing against the cabinet and the tangent direction of the movement trajectory of the outer edge extending beyond the side of the cabinet assembly during the process of the door opening relative to the cabinet from a closed state to a first opening angle under the action of the hinge assembly. At the same time, it also defines the ratio of the lengths of the first inner edge trajectory A2B2 and the first outer edge trajectory A1BA to ensure that the edges can move smoothly and do not exceed the predetermined range.

[0011] Specifically, to facilitate the description of the characteristics of the motion trajectory, a first reference plane and a second reference plane of the door are defined. The first reference plane passes through the inner edge when the door is closed and is parallel to the plane where the opening of the box is located. The second reference plane passes through the outer edge when the door is closed and is perpendicular to the plane where the opening of the box is located.

[0012] To reduce the pressure of the door on the box and the problem of the door extending beyond the side of the box, the tangent direction of the first inner edge trajectory is set along the first reference plane or inclined relative to the first reference plane at a first included angle of no more than 10 degrees. The tangent direction of the first outer edge trajectory is set perpendicular to the first reference plane or inclined relative to the first reference plane at a second included angle gradually approaching 90 degrees. The ratio of the length of the first inner edge trajectory to the length of the first outer edge trajectory is 3.5-4.5. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein:

[0014] Figure 1This is a structural schematic diagram of the first embodiment of the housing assembly of this application;

[0015] Figure 2 This is a schematic diagram showing the motion relationship between the door and the box in an existing box assembly;

[0016] Figure 3 yes Figure 1 A schematic diagram of the movement trajectory of the edge in the first embodiment of the box assembly shown;

[0017] Figure 4 yes Figure 1 A schematic diagram of the door opening angle relative to the box body and the movement trajectory of the edge in the first embodiment of the box body assembly shown;

[0018] Figure 5 yes Figure 1 A schematic diagram of the motion trajectory of the reference point in the first embodiment of the box assembly shown;

[0019] Figure 6 yes Figure 1 A schematic diagram showing the selection range of the internal reference point in the first embodiment of the box assembly shown;

[0020] Figure 7 yes Figure 1 A schematic diagram showing the selection range of external reference points in the first embodiment of the box assembly;

[0021] Figure 8 yes Figure 1 A schematic diagram of the trajectory tangent direction angle of the inner reference point in the first embodiment of the box assembly shown;

[0022] Figure 9 yes Figure 1 A schematic diagram of the trajectory tangent direction angle of the external reference point in the first embodiment of the box assembly shown;

[0023] Figure 10 yes Figure 1 A schematic diagram of the instantaneous center trajectory of the door movement instantaneous center in the second embodiment of the box assembly shown;

[0024] Figure 11 This is a structural schematic diagram of the third embodiment of the housing assembly of this application;

[0025] Figure 12 yes Figure 11 A schematic diagram of the hinge shaft structure of the hinge assembly in the third embodiment of the housing assembly shown;

[0026] Figure 13 yes Figure 11 A schematic diagram of the hinge slot structure of the hinge assembly in the third embodiment of the box assembly shown;

[0027] Figure 14 yes Figure 11A schematic diagram of the hinge assembly in the third embodiment of the housing assembly when the door is in a closed state relative to the housing;

[0028] Figure 15 yes Figure 11 A schematic diagram of the hinge assembly's state when the door is opened to the first opening angle relative to the box body in the third embodiment of the box body assembly shown;

[0029] Figure 16 yes Figure 11 A schematic diagram of the hinge assembly's state when the door is opened to the second opening angle relative to the box body in the third embodiment of the box body assembly shown;

[0030] Figure 17 yes Figure 12 The diagram shows the state of the hinge assembly when the door is opened to the third opening angle relative to the box body in the third embodiment of the box body assembly shown. Detailed Implementation

[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0032] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0033] Please see Figure 1 , Figure 1 This is a structural schematic diagram of the first embodiment of the housing assembly of this application. The housing assembly 100 of this embodiment includes a housing 11, a door 12, and a hinge assembly 13. The housing 11 forms an internal receiving space with an opening. The door 12 is used to seal the opening. The hinge assembly 13 is positioned on the pivot side of the housing 11, pivotally connecting the door 12 and the housing 11. The door 12 can be opened or closed relative to the housing 11 under the action of the hinge assembly 13.

[0034] There are various types of hinge assemblies that enable relative rotation between the door and the housing, and the configuration of the hinge assembly determines the relative motion relationship between the door and the housing. For the housing assembly 900 in the prior art, such as... Figure 2 As shown, Figure 2This is a schematic diagram of the movement relationship between the door and the housing in an existing housing assembly. When the door 92 is opened to a certain angle, problems arise where the door 92 squeezes the housing 91 and extends beyond the side of the housing assembly 900. The side of the housing assembly 900 could be the side of the housing 91 or the side of the door 92 when it is closed. Clearly, the existing hinge assembly 93 cannot solve the technical problem of this application.

[0035] This application mitigates the problems of the door squeezing into the housing and extending beyond the side of the housing assembly by limiting the movement trajectory of the edges on the door body. Based on the calculation principle of relative motion, the relative motion relationship between the door body and the housing body can be determined according to the movement trajectory of the edges, thereby determining the movement trajectory of fixed points on the housing body or door body. The hinge assembly can then be designed by reverse engineering based on the movement trajectory of the fixed points. Therefore, hinge assemblies capable of realizing the edge movement trajectory described in this application are all within the protection scope of this application.

[0036] Please refer to the details. Figure 3 and Figure 4 , Figure 3 yes Figure 1 The diagram shows the motion trajectory of the edge in the first embodiment of the box assembly. Figure 4 yes Figure 1 The diagram shows the opening angle of the door relative to the box body and the trajectory of the edge movement in the first embodiment of the box body assembly shown.

[0037] In this embodiment, the door 12 has an outer edge 121 and an inner edge 122 on the pivot side. When the door 12 is in the closed state relative to the housing 11, the inner edge 122 is closer to the housing 11 than the outer edge 121. This embodiment further defines a second reference plane Y passing through the outer edge 121 when it is in the closed state, and the second reference plane Y is perpendicular to the plane where the opening is located. This embodiment also defines a first reference plane X passing through the inner edge 122 when it is in the closed state, and the first reference plane X is parallel to the plane where the opening is located.

[0038] Under the action of the hinge assembly 13, as the door 12 moves from a closed state relative to the housing 11 to an open first angle, the outer edge 121 moves along the first outer edge trajectory A1B1 towards the first reference plane X, and the inner edge 122 moves along the first inner edge trajectory A2B2 towards the second reference plane Y toward the opening side. The first reference plane X and the second reference plane Y do not move with the door 12; they are fixed reference planes. However, given the pivotal connection between the door 12 and the housing 11, the final movement directions of the inner edge 122 relative to the second reference plane Y and the outer edge 121 relative to the first reference plane X during the opening process of the door 12 are necessarily the directions described above.

[0039] Furthermore, the tangent direction of the first outer edge trajectory A1B1 is perpendicular to the first reference plane X, or it is inclined relative to the first reference plane X at a second included angle gradually approaching 90 degrees. The tangent direction of the first inner edge trajectory A2B2 is along the first reference plane X, or it is inclined relative to the first reference plane X at a first included angle less than or equal to 10 degrees. The length of the first inner edge trajectory A2B2 is longer than that of the first outer edge trajectory A1B1, and the length ratio of the first inner edge trajectory A2B2 to the first outer edge trajectory A1B1 is 3.5-4.5.

[0040] In this embodiment, the tangent direction of the motion trajectory is defined, and the length ratio of the first inner edge trajectory A2B2 and the first outer edge trajectory A1BA is defined to ensure that the edge can move smoothly and not exceed the predetermined range.

[0041] Specifically, when the tangent direction of the first outer edge trajectory A1B1 is tilted relative to the first reference plane X at a second included angle that gradually approaches 90 degrees, it can be ensured that the door 12 will not cause excessive compression to the box 11. When the tangent direction of the first inner edge trajectory A2B2 is at a first included angle of 10 degrees relative to the first reference plane X, it can be ensured that the door 12 will not extend excessively beyond the side of the box 11.

[0042] Furthermore, when the tangent direction of the first outer edge trajectory A1B1 is perpendicular to the first reference plane X, and the tangent direction of the first inner edge trajectory A2B2 is set along the first reference plane X, both trajectories are straight lines. Corresponding to the case where both trajectories are straight lines, the first opening angle can reach a maximum of 90 degrees. In this case, the first inner edge trajectory A2B2 is longer than the first outer edge trajectory A1B1, and the ratio of the length of the first inner edge trajectory A2B2 to the length of the first outer edge trajectory A1B1 is 3.5-4.5.

[0043] The relevant constraints of the tangent direction of the first inner edge trajectory A2B2 determine the degree to which the inner edge 122 can compress the box 11. In practical applications, the inner edge 122 can be allowed to compress the box 11 to a certain extent. For example, if a deformable door seal is provided on the box 11, the compression of the box 11 by the inner edge 122 to a certain extent can be ignored.

[0044] Similarly, the relevant constraints of the tangent direction of the first outer edge trajectory A1B1 determine the extent to which the outer edge 121 can extend beyond the side of the housing 11. In practical applications, the outer edge can be allowed to extend beyond the side of the housing 11 to a certain extent. For example, in the embedded use of the housing component, there is a certain gap between the housing 11 and the wall into which it is embedded, and this gap allows the outer edge 121 to extend beyond the side of the housing 11 to a certain extent.

[0045] Furthermore, during the process of the door 12 opening from the closed state to the first opening angle, the first included angle remains unchanged, that is, the trajectory of the first inner edge A2B2 is a straight line; or, the first included angle changes monotonically in the form of a straight line, the trajectory of the first inner edge A2B2 is an arc, and the inner edge 122 moves smoothly along the straight or arc-shaped first inner edge trajectory A2B2.

[0046] Furthermore, the difference between the maximum and minimum values ​​of the first included angle is less than 5 degrees, meaning that the trajectory of the first inner edge A2B2 is generally smooth, further ensuring the smoothness of the movement of the inner edge 122 along the trajectory of the first inner edge A2B2.

[0047] Similarly, as the door 12 opens from the closed state to the first opening angle, the second included angle remains unchanged, that is, the trajectory of the first outer edge A1B1 is a straight line; or, the second included angle gradually approaches 90 degrees, that is, the trajectory of the first outer edge A1B1 is an arc, and the outer edge 121 moves smoothly along the straight or arc-shaped trajectory of the first outer edge A1B1.

[0048] This ensures that the entire door 12 moves smoothly as it opens to the first opening angle, preventing any slippage or jamming.

[0049] In one embodiment, for the movement of the outer edge 121 and the inner edge 122 in their respective directions, the distance by which the trajectory of the first outer edge A1B1 extends beyond the second reference plane Y away from the opening side is less than or equal to a first predetermined distance d1; the distance by which the trajectory of the first inner edge A2B2 extends beyond the first reference plane X towards the opening side is less than or equal to a second predetermined distance d2.

[0050] In this embodiment, the distance by which the motion trajectory can exceed the reference plane is further limited to ensure that the edge can move smoothly and not exceed the predetermined range. The limitation of the first preset distance d1 determines the extent to which the outer edge 121 can exceed the side of the housing assembly 100. In practical applications, the outer edge 121 can be allowed to exceed the side of the housing 11 to a certain extent. For example, in the embedded use of the housing assembly, there is a certain gap between the housing 11 and the wall into which it is embedded, and this gap allows the outer edge 121 to exceed the side of the housing 11 to a certain extent.

[0051] Similarly, the relevant limitation of the second preset distance d2 determines the degree to which the inner edge 122 can compress the box 11. In practical applications, the inner edge 122 can be allowed to compress the box 11 to a certain extent. For example, if the box 11 is equipped with a deformable door seal, the compression of the box 11 by the inner edge 122 to a certain extent can be ignored.

[0052] Therefore, the specific values ​​of the first and second predetermined distances can be determined according to the actual product design needs. For example, the first predetermined distance can be determined based on the distance between the wall into which the cabinet component is embedded and the cabinet component itself, and the second distance can be determined based on the thickness or elasticity of the door seal on the cabinet. In this embodiment, the door thickness is used as a scalar, limiting the first and second predetermined distances to 0 to 0.15 times the door thickness. If 0 times is selected, it means that the door will not squeeze the cabinet or extend beyond the side of the cabinet component. In this embodiment, 0.1 times can be selected, which means that it is allowed to exceed 0.1 times the door thickness. Alternatively, it can be limited by empirical values, with the first predetermined distance being 0 mm to 4 mm and the second predetermined distance being 0 mm to 2 mm. Similarly, if both are selected as 0 mm, it means that it will not exceed the limit. In this embodiment, the first predetermined distance is 3 mm and the second predetermined distance is 1 mm, which is the distance that is allowed to exceed the limit.

[0053] In general, in this embodiment, under the action of the hinge assembly 13, as the door 12 moves from a closed state relative to the housing 11 to an open first opening angle, the inner edge 122 moves along the first inner edge trajectory A2B2, and the outer edge 121 moves along the first outer edge trajectory A1B1. The tangent directions of the first inner edge trajectory A2B2 and the first outer edge trajectory A1B1, as well as their lengths, all have certain characteristics. The door 12 moves according to these trajectories, thereby reducing or even preventing the door 12 from squeezing the housing 11 and from extending beyond the side of the housing 11.

[0054] In one embodiment, the endpoint B2 of the first inner edge trajectory A2B2 is located on the first reference plane X, or the endpoint B2 is located on the side of the first reference plane X away from the opening and the distance to the first reference plane X is less than or equal to 0.058t; the endpoint B1 of the first outer edge trajectory A1B1 is located on the second reference plane Y, or the endpoint B1 is located on the side of the second reference plane Y facing the opening and the distance to the second reference plane Y is less than or equal to 0.135t, where t is the thickness of the door body.

[0055] That is, after the door 12 is opened to the first opening angle, the inner edge 122 of the door 12 will not squeeze the box 11, nor will it move excessively away from the box 11; the outer edge 121 will not extend beyond the side of the box assembly 100, nor will it move excessively toward the opening side of the second reference plane Y. This ensures that the door 12 will not have obvious displacement problems when it is opened, and the movement of the door 12 is more stable.

[0056] In this embodiment, if the outer edge 121 of the door 12 moves along the first outer edge trajectory A1B1, the inner edge 122 and the first inner edge trajectory A2B2 until the door 12 is opened 90 degrees, the door 12 will be unable to continue to open.

[0057] However, in order to meet the needs of daily use, the maximum opening angle of the door 12 generally needs to be greater than 90 degrees. Therefore, after the edge of the door 12 moves along the trajectory of the first edge until the door 12 opens to less than 90 degrees, other movement trajectories can be adopted so that it can open to more than 90 degrees thereafter.

[0058] As mentioned above, the door 12 may move along a different trajectory after opening to the first opening angle. In this embodiment, under the action of the hinge assembly 13, during the process of the door 12 opening from the first opening angle to the second opening angle relative to the box 11, the outer edge 121 moves along the second outer edge trajectory B1C1 toward the first reference plane X, while the inner edge 122 moves along the second inner edge trajectory B2C2 toward the second reference plane Y toward the opening side and the first reference plane X away from the opening side.

[0059] The inner edge 122 begins to move towards the opening side of the second reference plane Y. The third angle between the tangent direction of the second inner edge movement trajectory B2C2 of the inner edge 122 and the first reference plane X gradually increases, and the increase in the change of each unit opening angle of the door 12 gradually increases. Its endpoint C2 is located on the side of the first reference plane X away from the opening. This allows the door 12 to open to a larger angle.

[0060] Meanwhile, based on the design of the first outer edge trajectory A1B1, the tangent direction of the second outer edge trajectory B1C1 is set perpendicular to the first reference plane X, or is set at a fourth included angle between 70 degrees and 110 degrees relative to the first reference plane X.

[0061] Based on the characteristics of the trajectory described above, during the process of the door 12 moving from the first opening angle to the second opening angle, the door 12 will not squeeze the box 11, nor will it extend too far beyond the side of the box 11.

[0062] Furthermore, during the process of the door 12 opening from the first opening angle to the second opening angle, the fourth included angle remains unchanged, that is, the trajectory of the second outer edge B1C1 is a straight line; or, the trajectory of the second outer edge B1C1 changes monotonically in the form of a straight line, the trajectory of the second outer edge B1C1 is an arc, and the outer edge 121 moves smoothly along the straight or arc-shaped second outer edge trajectory B1C1.

[0063] Furthermore, the difference between the maximum and minimum values ​​of the fourth included angle is not less than 10 degrees, meaning that the trajectory of the second outer edge B1C1 is generally smooth, further ensuring the smoothness of the movement of the outer edge 121 along the trajectory of the second outer edge B1C1.

[0064] Similarly, as the door 12 opens from the first opening angle to the second opening angle, the third included angle gradually increases, meaning the second inner edge trajectory B2C2 is an arc, and the inner edge 122 moves smoothly along the arc-shaped second inner edge trajectory B2C2. Furthermore, the difference between the maximum and minimum values ​​of the third included angle is greater than or equal to 35 degrees, and the second inner edge trajectory B2C2 is generally smooth, further ensuring the smoothness of the movement of the inner edge 122 along the second inner edge trajectory B2C2.

[0065] This ensures that the door 12 moves smoothly from the first opening angle to the second opening angle, avoiding any slippage or jamming.

[0066] Furthermore, the inner edge 122 begins to move towards the opening side of the second reference plane Y, and the radius of curvature of the trajectory of the inner edge 122, the second inner edge trajectory B2C2, gradually decreases. Its endpoint C2 is located on the side of the first reference plane X away from the opening, and the distance to the first reference plane X is greater than or equal to 0.3t. This allows the door 12 to open at a larger angle.

[0067] In this process, based on the design of the first outer edge trajectory A1B1, the radius of curvature of the second outer edge trajectory B1C1 is greater than or equal to 5t, and the distance of the second outer edge trajectory B1C1 from the second reference plane Y away from the exit side is less than or equal to the first preset distance d1.

[0068] Based on the characteristics of the trajectory described above, during the process of the door 12 moving from the first opening angle to the second opening angle, the door 12 will not squeeze the box 11, nor will it extend too far beyond the side of the box assembly.

[0069] Under the action of the hinge assembly 13, the door 12 can continue to open relative to the housing 11 from the second opening angle to the third opening angle. During this process, the inner edge 122 moves along the third inner edge trajectory C2D2 toward the first reference plane X away from the opening side, while the outer edge 121 moves along the third outer edge trajectory C1D1 toward the second reference plane Y toward the opening side. The trajectory of this movement direction also corresponds to a larger opening angle of the door 12.

[0070] The third outer edge trajectory C1D1 and the third inner edge trajectory C2D2 are specifically concentric arcs. The radius of curvature of the third inner edge trajectory C2D2 is 0.55t-0.67t, and the radius of curvature of the third outer edge trajectory C1D1 is 0.45t-0.55t.

[0071] After the edge of the door 12 moves along the first inner edge trajectory A2B2 and the first outer edge trajectory A1B1, in order to achieve a larger opening angle, it can also move directly along the third outer edge trajectory C1D1 and the third inner edge trajectory C2D2, thereby solving the problems of squeezing the box 11 and going beyond the side of the box 11.

[0072] However, after designing the hinge assembly 13 based on the first trajectory plus the third trajectory, the door 12 is prone to wobbling when it rotates through the hinge assembly 13. To further optimize and solve the wobbling problem, a second trajectory is added between the first trajectory and the third trajectory, making the movement of the door 12 more stable and smooth.

[0073] Furthermore, considering the design of the hinge assembly 13, the ratio of the curvature radius of the third inner edge trajectory C2D2 to the third outer edge trajectory C1D1 is 1.22, which can prevent interference problems from occurring in the structure corresponding to the third trajectory on the hinge assembly 13.

[0074] Specifically, the three-track design has a first opening angle of 25 to 31 degrees for the first track, a second opening angle of 57 to 60 degrees for the second track, and a third opening angle of 122 to 132 degrees for the third track.

[0075] The length of the first inner edge trajectory A2B2 is 0.465t, and the length of the first outer edge trajectory A1B1 is 0.115t.

[0076] The length of the second outer edge trajectory B1C1 is 0.2285t, and the second inner edge trajectory B2C2 is set such that the movement distance of the outer edge 121 on the second outer edge trajectory B1C1 and the rotation angle of the door 12 relative to the box 11 satisfy the following formula:

[0077]

[0078] Where θ1 is the rotation angle, θ is a preset angle of 100 degrees to 113 degrees, and t1 is the movement distance.

[0079] The center of the third inner edge trajectory C2D2 is located inside the gate body 12, and its radius of curvature is 0.61t. The center of the third outer edge trajectory C1D1 is located inside the gate body 12, and its radius of curvature is 0.5t. The perpendicular distance from the center to the first reference plane X is 0.6t, and the perpendicular distance from the center to the second reference plane Y is 0.5t.

[0080] When carrying out the actual design, considering issues such as installation deformation, reference points can be selected for trajectory design, thereby reserving tolerances for the edges on the door 12 to ensure that the door 12 does not squeeze the box 11 or extend beyond the side of the box 11.

[0081] like Figures 5 to 9 As shown, Figure 5 yes Figure 1 The diagram shows the motion trajectory of the reference point in the first embodiment of the box assembly. Figure 6 yes Figure 1The diagram shows the selection range of the internal reference point in the first embodiment of the housing assembly. Figure 7 yes Figure 1 The diagram shows the selection range of the external reference point in the first embodiment of the housing assembly. Figure 8 yes Figure 1 The diagram shows the tangent direction angle of the trajectory of the inner reference point in the first embodiment of the box assembly. Figure 9 yes Figure 1 The diagram shows the tangent direction angle of the trajectory of the external reference point in the first embodiment of the box assembly.

[0082] In this embodiment, an outer reference point R1 and an inner reference point R2 are set. The outer reference point R1 is adjacent to the outer edge 121, and the inner reference point R2 is adjacent to the inner edge 122. First, a third reference plane Z is defined. The third reference plane Z is parallel to the first reference plane X, and it passes through the outer edge 121 when it is in the closed state.

[0083] Specifically, the perpendicular distances from the inner reference point R2 to both the second reference plane Y and the first reference plane X are less than or equal to 0.1t. The inner reference point R2 is selected within a rectangular region centered on the inner edge 122 with a side length of 0.2t.

[0084] Similarly, the perpendicular distances from the external reference point R1 to the second reference plane Y and the third reference plane Z are both less than or equal to 0.1t. The selection range of the external reference point R1 is a rectangular region with a side length of 0.2t centered on the outer edge 121.

[0085] The outer reference point R1 can be selected on the outer edge 121, and the inner reference point R2 can be selected on the inner edge 122.

[0086] The trajectory design of the inner reference point R2 and the outer reference point R1 is also based on the trajectory design of the inner edge 122 and the outer edge 121. When the door 12 is opened from the closed state to the first opening angle relative to the box 11 under the action of the hinge assembly 13, the inner reference point R2 moves along the first inner reference point trajectory E2F2 toward the second reference plane Y toward the opening side, and the outer reference point R1 moves along the first outer reference point trajectory E1F1 toward the first reference plane X.

[0087] The possible characteristics of the first inner reference point trajectory E2F2 are similar to those of the first inner edge trajectory A2B2, and the possible characteristics of the first outer reference point trajectory E1F1 are similar to those of the first outer edge trajectory A1B1. The tangent directions of the first inner reference point trajectory E2F2 and the second outer reference point trajectory E1F1 are described in detail below:

[0088] See Figure 6 and Figure 8A coordinate system is established with any point on the inner edge 122 of the door 12 in the closed state as the origin. The x-axis is a straight line passing through the origin, located on the first reference plane X, and perpendicular to the second reference plane Y. The y-axis is a straight line passing through the origin, located on the second reference plane Y, and perpendicular to the first reference plane X. The inner reference point R2 is taken as (-0.1t, 0.1t), (0, 0.1t), (0.1t, 0.1t), (-0.1t, 0), (0, 0), (0.1t, 0), (-0.1t, -0.1t), (0, -0.1t), (0.1t, 0.1t). The corresponding trajectory E2F2 of the first inner reference point is... Figure 8 The rows are arranged from left to right, starting from the first row.

[0089] As shown in the figure, the tangent direction of the trajectory of the first inner reference point E2F2 is set along the first reference plane X, or it is set at a fifth included angle of no more than 10 degrees relative to the first reference plane X.

[0090] Furthermore, during the process of the door 12 opening from the closed state to the first opening angle, the fifth included angle remains unchanged or changes monotonically in a straight line, and the difference between the maximum and minimum values ​​of the fifth included angle is less than 5 degrees.

[0091] See Figure 7 and Figure 9 A coordinate system is established with any point on the outer edge 121 of the door 12 in the closed state as the origin. The x-axis is a straight line passing through the origin, located on the third reference plane Z, and perpendicular to the second reference plane Y. The y-axis is a straight line passing through the origin, located on the second reference plane Y, and perpendicular to the third reference plane Z. The outer reference point R1 is taken as (-0.1t, 0.1t), (0, 0.1t), (0.1t, 0.1t), (-0.1t, 0), (0, 0), (0.1t, 0), (-0.1t, -0.1t), (0, -0.1t), (0.1t, 0.1t). The corresponding trajectory E1F1 of the first outer reference point is... Figure 9 The rows are arranged from left to right, starting from the first row.

[0092] As shown in the figure, the tangent direction of the trajectory E1F1 of the first external reference point is set perpendicular to the first reference plane X, or it is set at a sixth included angle that gradually approaches 90 degrees relative to the first reference plane X.

[0093] Furthermore, the length of the first inner reference point trajectory E2F2 is longer than the length of the first outer reference point trajectory E1F1, and the length ratio of the first inner reference point trajectory E2F2 to the first outer reference point trajectory E1F1 is 3.5 to 4.5.

[0094] For ease of design, in one specific embodiment, the trajectory of the first inner reference point E2F2 is a straight line, and the trajectory of the first outer reference point E1F1 is a straight line. Based on the selected position of the inner reference point R2, the trajectory of the first inner reference point E2F2 can be parallel to or along the first reference plane X; while based on the selected position of the outer reference point R1, the trajectory of the first outer reference point is parallel to or along the second reference plane Y. Thus, the tangent direction of the first outer reference point trajectory E1F1 is perpendicular to the first reference plane X, and the tangent direction of the first inner reference point trajectory E2F2 is set along the first reference plane X.

[0095] Similarly, corresponding to the inner edge 122 and the outer edge 121, the inner reference point R2 and the outer reference point R1 may both exhibit a second trajectory and a third trajectory. Among them, the second inner reference point trajectory F2G2 may have similar characteristics to the second inner edge trajectory B2C2, and the second outer reference point trajectory F1G1 may have similar characteristics to the second outer edge trajectory B1C1; the third inner reference point trajectory G2H2 may have similar characteristics to the third inner edge trajectory C2D2, and the third outer reference point trajectory G1H1 may have similar characteristics to the third outer edge trajectory C1D1.

[0096] The following details the tangent directions of the second inner reference point trajectory F2G2 and the second outer reference point trajectory F1G1:

[0097] See Figure 6 and Figure 8 A coordinate system is established with any point on the inner edge 122 of the door 12 in the closed state as the origin. The x-axis is a straight line passing through the origin, located on the first reference plane X, and perpendicular to the second reference plane Y. The y-axis is a straight line passing through the origin, located on the second reference plane Y, and perpendicular to the first reference plane X. The inner reference point R2 is taken as (-0.1t, 0.1t), (0, 0.1t), (0.1t, 0.1t), (-0.1t, 0), (0, 0), (0.1t, 0), (-0.1t, -0.1t), (0, -0.1t), (0.1t, 0.1t). The corresponding trajectory F2G2 of the second inner reference point is... Figure 8 The rows are arranged from left to right, starting from the first row.

[0098] As shown in the figure, the seventh angle between the tangent direction of the second inner reference point trajectory F2G2 and the first reference plane X gradually increases, and the change in the angle of each opening unit of the door 12 gradually increases.

[0099] Furthermore, the difference between the maximum and minimum values ​​of the seventh included angle is greater than or equal to 35 degrees.

[0100] See Figure 7 and Figure 9A coordinate system is established with any point on the outer edge 121 of the door 12 in the closed state as the origin. The x-axis is a straight line passing through the origin, located on the third reference plane Z, and perpendicular to the second reference plane Y. The y-axis is a straight line passing through the origin, located on the second reference plane Y, and perpendicular to the third reference plane Z. The outer reference point R1 is taken as (-0.1t, 0.1t), (0, 0.1t), (0.1t, 0.1t), (-0.1t, 0), (0, 0), (0.1t, 0), (-0.1t, -0.1t), (0, -0.1t), (0.1t, 0.1t). The corresponding trajectory F1G1 of the second outer reference point is... Figure 9 The rows are arranged from left to right, starting from the first row.

[0101] As shown in the figure, the tangent direction of the trajectory F1G1 of the second external reference point is perpendicular to the first reference plane X, or it is set at an eighth included angle between 70 degrees and 110 degrees relative to the first reference plane X.

[0102] Furthermore, during the process of the door 12 opening from the first opening angle to the second opening angle, the eighth included angle remains unchanged or changes monotonically in a straight line, and the difference between the maximum and minimum values ​​of the eighth included angle is less than or equal to 10 degrees.

[0103] Under the action of the hinge assembly 13, as the door 12 opens from the first opening angle to the second opening angle relative to the box 11, the inner reference point R2 moves along the second inner reference point trajectory F2G2 toward the second reference plane Y toward the opening side and the first reference plane X away from the opening side, and the outer reference point R1 moves along the second outer reference point trajectory F1G1 toward the first reference plane X.

[0104] For ease of design, in one specific embodiment, the trajectory F1G1 of the second outer reference point is a straight line, set along or parallel to the second reference plane Y. The trajectory F2G2 of the second inner reference point is set such that the movement distance of the outer reference point R1 on the second outer reference point trajectory and the rotation angle of the door 12 satisfy the following formula:

[0105]

[0106] Where θ1 is the rotation angle, θ is a preset angle of 100 degrees to 113 degrees, and t1 is the movement distance.

[0107] Furthermore, this application also mitigates the problems of door squeezing into the cabinet and extending beyond the side of the cabinet assembly by limiting the motion trajectory of the instantaneous center of motion of the door. The relative motion between the door and the cabinet can be essentially converted into the motion of the instantaneous center of motion of the door. By designing the motion trajectory of the instantaneous center, the relative motion relationship between the door and the cabinet can be limited, thus preventing the door from excessively squeezing into the door gap and from excessively extending beyond the side of the cabinet assembly. After designing the motion trajectory of the instantaneous center, the motion trajectory of fixed points on the cabinet or door can be determined based on the motion trajectory of the instantaneous center, and the hinge assembly can then be designed by reverse deduction based on the motion trajectory of the fixed points. Therefore, hinge assemblies that can realize the motion trajectory of the instantaneous center and the edge motion trajectory in this application are all within the protection scope of this application.

[0108] This second embodiment, compared to the first embodiment, is designed from a different perspective—the trajectory of the instantaneous center of motion of the door body—therefore, the accompanying drawings and reference numerals from the first embodiment are still used. Please refer to the following for details. Figure 10 , Figure 10 yes Figure 1 The diagram shows the instantaneous center trajectory of the door's instantaneous center of motion in the second embodiment of the box assembly.

[0109] In this embodiment, the trajectory of the instantaneous center of motion of the door 12 is defined. Specifically, the instantaneous center of motion starts from the outer edge 121 and moves along the first instantaneous center trajectory A3B3 towards the first reference plane X, while simultaneously moving towards the second reference plane Y toward the opening side. This ensures that the door 12 will not cause excessive compression to the box 11, and that the door 12 will not extend excessively beyond the side of the box 11.

[0110] The limitations of the instantaneous motion trajectory of the door body 12 determine the extent to which the inner edge 122 can compress the box body 11 and the extent to which the outer edge 121 can extend beyond the side of the box body assembly. In practical applications, the inner edge 122 can be allowed to compress the box body 11 to a certain extent. If a deformable door seal is provided on the box body 11, the compression of the box body 11 by the inner edge 122 to a certain extent can be ignored. Similarly, the outer edge can be allowed to extend beyond the side of the box body assembly 100 to a certain extent. For example, for the embedded use of the box body assembly, there is a certain gap between the box body 11 and the wall into which it is embedded, and this gap allows the outer edge 121 to extend beyond the side of the box body 11 to a certain extent.

[0111] It should be noted that in rigid body planar motion, as long as the angular velocity ω of any cross-sectional shape S (or its extension) parallel to a fixed plane on the rigid body is not zero at any instant, there must be a point P' with zero velocity, called the instantaneous center of velocity. At that instant, in terms of velocity distribution, the cross-sectional shape (or its extension) appears to be rotating only around a point P on the fixed plane that coincides with P', and point P is called the instantaneous center of rotation. In this embodiment, the instantaneous center of motion can be either the instantaneous center of rotation or the instantaneous center of velocity of the door 12.

[0112] Furthermore, the angle between the line connecting the instantaneous center of motion and the vertical line connecting the inner edge 122 and the first reference plane X is between 85 and 95 degrees. Within this range, it ensures that the first inner edge trajectory A2B2 of the inner edge 122 moves towards the opening side of the second reference plane Y without causing excessive compression to the box body 11. Specifically, the maximum and minimum values ​​of the angle between the line connecting the instantaneous center of motion and the vertical line connecting the inner edge 122 and the first reference plane X during the door opening process are limited. When the angle is 95 degrees or 85 degrees, it can be ensured that the door body 12 will not cause excessive compression to the box body 11.

[0113] Similarly, the angle between the line connecting the instantaneous center of motion and the perpendicular line of the outer edge 121 and the second reference plane Y is between 85 and 95 degrees. Within this range, it ensures that the first outer edge trajectory A1B1 of the outer edge 122 moves towards the first reference plane X without excessively exceeding the side of the housing 11. Specifically, the maximum and minimum values ​​of the angle between the line connecting the instantaneous center of motion and the perpendicular line of the outer edge 121 and the second reference plane Y during the door opening process are limited. That is, when it is 95 degrees or 85 degrees, it can be ensured that the door 12 does not excessively exceed the side of the housing 11.

[0114] In one embodiment, the vertical line connecting the instantaneous center of motion and the inner edge 122 is perpendicular to the first reference plane X. During the opening of the door 12 to the first angle, the first inner edge trajectory A2B2 of the inner edge 122 is a straight line and parallel to the first reference plane X. The vertical line connecting the instantaneous center of motion and the outer edge 121 is perpendicular to the second reference plane Y. During the opening of the door 12 to the first angle, the first outer edge trajectory A1B1 of the outer edge 121 is a straight line and parallel to the second reference plane Y. This embodiment ensures that the edges can move smoothly by limiting the positional relationship between the instantaneous center of motion and the inner and outer edges 122 and 121, ensuring that the door 12 will not squeeze the box 11 and that the door 12 will not extend beyond the side of the box 11.

[0115] In one embodiment, during the opening of the door 12 to a first angle, the first instantaneous center trajectory A3B3 of the instantaneous center of motion of the door 12 is an arc. The center of the arc is located at the midpoint of the vertical line connecting the inner edge 122 and the outer edge 121, and the diameter of the arc is the vertical distance between the inner edge 122 and the outer edge 121. As the instantaneous center of motion of the door 12 moves along the first instantaneous center trajectory A3B3, the first inner edge trajectory A2B2 of the inner edge 122 is a straight line and parallel to the first reference plane X, and the first outer edge trajectory A1B1 of the outer edge 121 is a straight line and parallel to the second reference plane Y. This embodiment ensures that the edges can move smoothly by limiting the first instantaneous center trajectory of the instantaneous center of motion, ensuring that the door 12 will not squeeze the box 11 and that the door 12 will not extend beyond the side of the box 11.

[0116] Furthermore, the angle between the line connecting the instantaneous center of motion and the center of the circle, and the line connecting the center of the circle and the starting point of the trajectory A3B3 of the first instantaneous center, is equal to the actual opening angle of the door 12 relative to the box 11. The movement of the instantaneous center of motion changes regularly with the first opening angle of the door 12. The door 12 moves smoothly as it opens to the first opening angle, avoiding any sliding or jamming, and ensuring that the door 12 does not squeeze the box 11 or extend beyond the side of the box 11. Specifically, the first opening angle is between 25 degrees and 31 degrees, for example, it can be 25 degrees, 28 degrees, 30 degrees, or 31 degrees. Within the first opening angle, it is ensured that the door 12 will not squeeze the box 11 or extend beyond the side of the box 11.

[0117] In general, under the action of the hinge assembly 13, during the process of the door 12 opening from the closed state to the first opening angle relative to the box 11 in this embodiment, the instantaneous center of motion of the door 12 starts from the outer edge 121 and moves along the first instantaneous center trajectory A3B3 towards the first reference plane X, and simultaneously moves towards the second reference plane Y towards the opening side. The first instantaneous center trajectory A3B3 has certain characteristics; by moving the door 12 according to the first instantaneous center trajectory A3B3, the pressure of the door 12 on the box 11 and the door 12 extending beyond the side of the box 11 can be reduced or even avoided.

[0118] During the opening process of the door 12 to the first opening angle, the inner edge 122 of the door 12 will not squeeze the box 11, nor will it move excessively away from the box 11; the outer edge 121 will not extend beyond the side of the box assembly 100, nor will it move excessively toward the opening side of the second reference plane Y. This ensures that the door 12 will not experience significant displacement when opening, and the movement of the door 12 will be more stable.

[0119] In this embodiment, if the instantaneous center of motion of the door 12 moves along the first instantaneous center trajectory to the point where the door 12 is open to 90 degrees, the door 12 will be unable to continue opening. Since the maximum opening angle of the door 12 generally needs to be greater than 90 degrees, after the instantaneous center of motion of the door 12 moves along the first inner instantaneous center trajectory to the point where the door 12 is open to less than 90 degrees, other instantaneous center trajectories are used to move so that it can then open to more than 90 degrees.

[0120] As mentioned earlier, the door 12 may move along a different trajectory after opening to the first opening angle. In this embodiment, under the action of the hinge assembly 13, during the process of the door 12 opening relative to the housing 11 from the first opening angle to the second opening angle, the instantaneous center of motion moves towards the first reference plane X along the second instantaneous center trajectory B3C3. The angle between the tangent direction of the second instantaneous center trajectory B3C3 and the first reference plane X is between 85 degrees and 95 degrees.

[0121] Based on the characteristics of the trajectory described above, during the process of the door 12 moving from the first opening angle to the second opening angle, the door 12 will not squeeze the box 11, nor will it extend too far beyond the side of the box 11, so that the door 12 has space to open to a larger angle.

[0122] The instantaneous center of motion moves towards the first reference plane X along the second instantaneous center trajectory B3C3, and the angle between the tangent direction of the second instantaneous center trajectory B3C3 and the first reference plane X is between 85 degrees and 95 degrees. Within this range, since the instantaneous center of motion is always located on the side of the outer edge 121 away from the second reference plane Y, it ensures that the outer edge 122 does not extend excessively beyond the side of the housing 11. Since the instantaneous center of motion is always located on the side of the inner edge 121 away from the first reference plane X, it ensures that the first inner edge trajectory A2B2 of the inner edge 122 moves towards the opening side of the second reference plane Y without causing excessive compression to the housing 11.

[0123] Furthermore, the second instantaneous center trajectory B3C3 is a straight line and is set perpendicular to the first reference plane X. During the process of the door 12 opening from the first opening angle to the second opening angle, the second outer edge trajectory B1C1 of the outer edge 121 is a straight line and is set parallel to the second reference plane Y, which can ensure that the outer edge 121 does not extend too far beyond the side of the box 11; the inner edge 122 moves away from the first reference plane X, ensuring that the door 12 does not excessively squeeze the box 11. The endpoint C2 of the second inner edge trajectory B2C2 is located on the side of the first reference plane X away from the opening, allowing the door 12 to open to a larger angle. Moreover, the second instantaneous center trajectory B3C3 of the instantaneous center of motion changes regularly with the second opening angle of the door 12, so that the door 12 moves smoothly as a whole during the process of opening from the first opening angle to the second opening angle, avoiding any sliding or jamming.

[0124] Furthermore, during the process of the door 12 opening from the first opening angle to the second opening angle, the angle between the line connecting the instantaneous center of motion and the perpendicular line of the outer edge 121 and the second reference plane Y is between 85 degrees and 95 degrees. Within this range, it is ensured that the second outer edge trajectory B1C1 of the outer edge 122 moves towards the first reference plane X and does not excessively extend beyond the side of the box 11. Specifically, the maximum and minimum values ​​of the angle between the line connecting the instantaneous center of motion and the perpendicular line of the outer edge 121 and the second reference plane Y during the door opening process are limited to 95 degrees or 85 degrees, which ensures that the door 12 does not excessively extend beyond the side of the box 11. When the vertical line connecting the instantaneous center of motion and the outer edge 121 is perpendicular to the second reference plane Y, that is, when the angle between the vertical connection of the instantaneous center of motion and the outer edge 121 and the second reference plane is 90 degrees, during the movement of the instantaneous center of motion of the door 12 along the second instantaneous center trajectory B3C3, the second outer edge trajectory B1C1 of the outer edge 121 is a straight line and perpendicular to the first reference plane X, which can ensure that the door 12 will not exceed the side of the box 11.

[0125] Meanwhile, as the door 12 opens from the first opening angle to the second opening angle, the vertical distance from the inner edge 122 to the instantaneous center of motion gradually decreases, thereby gradually reducing the radius of curvature of the second inner edge trajectory B2C2 of the inner edge 122. Its endpoint C2 is located on the side away from the opening of the first reference plane X, allowing the door 12 to open to a larger angle and ensuring that the door 12 will not squeeze the box.

[0126] Based on the characteristics of the trajectory described above, during the process of the door 12 moving from the first opening angle to the second opening angle, the door 12 will not squeeze the box 11, nor will it extend too far beyond the side of the box 11.

[0127] Specifically, the second opening angle is between 57 and 60 degrees, while the first opening angle can be 57, 58, 59, or 60 degrees, etc. Within the second opening angle, it can be ensured that the door 12 will not squeeze the box 11, and that the door 12 will not extend beyond the side of the box 11.

[0128] Under the action of the hinge assembly 13, the door 12 can continue to open from the second opening angle to the third opening angle relative to the box 11. During this process, the instantaneous center of motion can remain unchanged, and the door 12 rotates around the instantaneous center of motion. The trajectory of this motion direction also corresponds to the larger opening angle of the door 12.

[0129] As mentioned above, during the process of the door 12 opening from the second opening angle to the third opening angle relative to the box 11, the instantaneous center of motion remains unchanged at the endpoint of the second instantaneous center of motion. The third inner edge trajectory C2D2 of the inner edge 122 and the third outer edge trajectory C1D1 of the outer edge 121 are specifically concentric arcs.

[0130] Based on the characteristics of the trajectory described above, during the process of the door 12 moving from the second opening angle to the third opening angle, the door 12 will not squeeze the box 11, nor will it extend too far beyond the side of the box 11.

[0131] After the instantaneous center of motion of the door body 12 moves along the first instantaneous center trajectory A3B3, in order to achieve a larger opening angle, the rotation of the door body 12 can also be achieved by taking the end point of the first instantaneous center trajectory A3B3 as the third instantaneous center trajectory C3D3, thereby solving the problems of squeezing the box body 11 and going beyond the side of the box body 11.

[0132] However, after designing the hinge assembly 13 based on the first instantaneous center trajectory A3B3 plus the third instantaneous center trajectory, the door 12 is prone to wobbling during rotation when it rotates through the hinge assembly 13. To further optimize and solve the wobbling problem, a second instantaneous center trajectory B3C3 is added between the first instantaneous center trajectory A3B3 and the third instantaneous center trajectory, making the movement of the door 12 more stable and smooth.

[0133] Starting from the trajectory design of the 12 edges of the door, and based on the design principle of relative motion, various hinge component structures can be designed. For example... Figure 11-13 As shown, Figure 11 This is a structural schematic diagram of the third embodiment of the housing assembly of this application. Figure 11 yes Figure 10 The diagram shows the hinge shaft structure of the hinge assembly in the third embodiment of the housing assembly. Figure 13 yes Figure 11 The schematic diagram shows the hinge slot structure of the hinge assembly in the third embodiment of the housing assembly.

[0134] Compared to this third embodiment... Figure 1 The first embodiment shown only specifies the structure of the hinge assembly, so the reference numerals continue to be used in the first embodiment. In this embodiment, the hinge assembly 13 in the housing assembly 100 is designed to convert the movement trajectory of the edge of the door 12 into the movement trajectory of two fixed points on the door 12 or the housing 11. Then, based on the movement trajectory of the two fixed points, a corresponding mechanical structure is designed. The hinge assembly 13 includes a first guide mechanism 135 and a second guide mechanism 136, which respectively realize the movement trajectory of the two fixed points. That is, the two guide mechanisms work together to make the edge of the door 12 move along a preset trajectory.

[0135] exist Figure 11-13 The guide mechanism is a slot-and-column mating structure. Clearly, the guide mechanism designed based on the trajectory can also be a linkage structure, a slot-and-column + linkage structure, etc.

[0136] In this embodiment, the hinge assembly 13 is a double-axis, double-groove type, with the double grooves located on the door body 12 and the double axes located on the housing 11. Similarly, in other embodiments, the double grooves can also be located on the housing 11 and the double axes can be located on the door body 12; or the door body 12 can have one axis and one groove, and the corresponding housing 11 can also have one axis and one groove; or as mentioned above, the axis and groove structure on the door body 12 and housing 11 can be transformed into a linkage structure, or an axis + track sliding structure, etc.

[0137] Specifically, in this embodiment, the hinge assembly 13 includes a first hinge shaft 131 and a second hinge shaft 132 disposed on the housing 11, and a first hinge groove 133 and a second hinge groove 134 disposed on the door body 12. The first hinge shaft 131 moves within the first hinge groove 133, forming a first guide mechanism 135; the second hinge shaft 132 moves within the second hinge groove 134, forming a second guide mechanism 136; thus achieving... Figure 3 The movement trajectory of the door edge shown in the figure solves the problem of the door 12 squeezing the box 11 and the problem of the door extending beyond the side of the box 11.

[0138] During the opening of the door 12, the movement state of the hinge assembly 13 is as follows: Figure 14-17 , Figure 14 yes Figure 11 The diagram shows the state of the hinge assembly when the door is in the closed state relative to the box body in the third embodiment of the box body assembly. Figure 15 yes Figure 11 The diagram shows the state of the hinge assembly when the door is opened to the first opening angle relative to the box body in the third embodiment of the box body assembly. Figure 16 yes Figure 11 The diagram shows the state of the hinge assembly when the door is opened to the second opening angle relative to the box body in the third embodiment of the box body assembly. Figure 17 yes Figure 11 The diagram shows the state of the hinge assembly when the door is opened to the third opening angle relative to the box body in the third embodiment of the box body assembly shown.

[0139] In this embodiment, the first hinge groove 133 includes a first groove segment 1331, a second groove segment 1332 and a third groove segment 1333, and the second hinge groove 134 includes a fourth groove segment 1341 and a fifth groove segment 1342.

[0140] Door 12 opens from the closed state to the first opening angle relative to housing 11. First hinge axis 131 moves along the first groove segment 1331, and second hinge axis 132 moves along the fourth groove segment 1341, correspondingly realizing… Figure 3 The first trajectory in.

[0141] The door 12 opens from a first opening angle to a second opening angle relative to the housing 11. The first hinge axis 131 moves along the second groove segment 1332, and the second hinge axis 132 moves along the fifth groove segment 1342, correspondingly realizing… Figure 3 The second trajectory in.

[0142] The door 12 opens from the second opening angle to the third opening angle relative to the box 11. The first hinge axis 131 moves along the third groove segment 1333, while the second hinge axis 132 does not change position at the bottom end of the fifth groove segment 1342, thus realizing... Figure 3 The third trajectory in the sequence.

[0143] The first hinge groove 133 and the second hinge groove 134 tend to separate from each other in the direction toward the first reference plane. The first groove segment 1331 is away from the second reference plane Y compared to the fourth groove segment 1341, and extends toward both the second reference plane Y and the first reference plane X. The angle between the tangent direction of the first groove segment 1331 and the first reference plane X is greater than the angle between the tangent direction of the fourth groove segment 1341 and the first reference plane X.

[0144] In this embodiment, the hinge assembly 13 is designed so that the door 12 can be opened smoothly and stably relative to the box 11 without squeezing the box 11 or extending beyond the side of the box 11, making it easy to use in an embedded manner.

[0145] In summary, for this application, different hinge components can be designed to correspond to different movement trajectories of the door edges, all of which can reduce the problems of the door squeezing the cabinet and extending beyond the sides of the cabinet components when it is opened. The above cabinet component design can be applied to situations with doors that have problems of squeezing the cabinet and interference when extending beyond the cabinet components, such as refrigerators, cabinets, and other products.

[0146] This application also proposes a refrigeration device, which includes the aforementioned cabinet assembly 100, namely, employing the aforementioned door 12, cabinet 11, and hinge assembly 13 between the door 12 and cabinet 11. The refrigeration device can be a refrigerator, freezer, wine cabinet, fresh food display case, etc.

[0147] The terms "first," "second," and "third" in this application are for descriptive purposes only and should not be construed as indicating the number of technical features indicated. Therefore, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of those features. All directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationships and movements between components in a specific orientation (as shown in the figures). If the specific orientation changes, the directional indications will change accordingly. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. A process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products, or devices.

[0148] The above description is merely an embodiment of this application and does not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A housing assembly, characterized in that, The enclosure assembly includes: A housing, the housing being used to form a receiving space with an opening; The door body is used to block the opening; A hinge assembly is configured to pivotally connect the housing and the door on the pivot side of the housing; the hinge assembly includes a first hinge shaft and a second hinge shaft disposed on the housing, and a first hinge slot and a second hinge slot disposed on the door. The door has an inner edge and an outer edge on the pivot side. When the door is closed relative to the housing, the inner edge is closer to the housing than the outer edge. The door is further provided with a first reference plane and a second reference plane. The first reference plane passes through the inner edge when the door is closed and is parallel to the plane where the opening is located. The second reference plane passes through the outer edge when the door is closed and is perpendicular to the plane where the opening is located. The first reference plane and the second reference plane remain stationary relative to the housing during the opening process of the door relative to the housing. Specifically, when the door opens from the closed state relative to the housing to a first opening angle under the action of the hinge assembly, the inner edge moves along the first inner edge trajectory toward the side of the second reference plane facing the opening, and the outer edge moves along the first outer edge trajectory toward the first reference plane. The tangent direction of the first inner edge trajectory is set along the first reference plane or is inclined relative to the first reference plane at a first included angle of no more than 10 degrees. The tangent direction of the first outer edge trajectory is set perpendicular to the first reference plane or is inclined relative to the first reference plane at a second included angle gradually approaching 90 degrees. The ratio of the length of the first inner edge trajectory to the length of the first outer edge trajectory is 3.5-4.

5. As the door opens from the first opening angle to the second opening angle relative to the box under the action of the hinge assembly, the inner edge moves along the second inner edge trajectory toward the side of the second reference plane facing the opening and the side of the first reference plane away from the opening, the outer edge moves along the second outer edge trajectory toward the first reference plane, the third included angle between the tangent direction of the second inner edge trajectory and the first reference plane gradually increases, and the change range corresponding to each unit opening angle of the door gradually increases; During the process of the door opening from the closed state to the second opening angle relative to the box, the first hinge shaft moves continuously along the first hinge groove from one end of the first hinge groove to the other end of the first hinge groove, and the second hinge shaft moves continuously along the second hinge groove from one end of the second hinge groove to the other end of the second hinge groove.

2. The housing assembly according to claim 1, characterized in that, During the process of the door opening from the closed state to the first opening angle, the first included angle remains unchanged or changes monotonically in a straight line.

3. The housing assembly according to claim 2, characterized in that, The difference between the maximum and minimum values ​​of the first included angle is less than 5 degrees.

4. The housing assembly according to claim 1, characterized in that, The distance by which the trajectory of the first outer edge extends beyond the second reference plane and is away from the opening is not greater than a first predetermined distance; the distance by which the trajectory of the first inner edge extends beyond the first reference plane and is towards the opening is not greater than a second predetermined distance; the first opening angle is 25 degrees to 31 degrees; the first predetermined distance is 0 mm to 4 mm; and the second predetermined distance is 0 mm to 2 mm.

5. The housing assembly according to claim 1, characterized in that, The endpoint of the first inner edge trajectory is located on the first reference plane, or the endpoint of the first inner edge trajectory is located on the side of the first reference plane away from the opening and the distance to the first reference plane is not greater than 0.058t. The endpoint of the first outer edge trajectory is located on the second reference plane, or the endpoint of the first outer edge trajectory is located on the side of the second reference plane facing the opening and the distance to the second reference plane is not greater than 0.135t.

6. The housing assembly according to claim 1, characterized in that, The door body is further provided with an inner reference point and an outer reference point, wherein the inner reference point is adjacent to the inner edge and the outer reference point is adjacent to the outer edge. When the door body is opened from the closed state to a first opening angle, the inner reference point moves along the trajectory of the first inner reference point toward the side of the second reference plane facing the opening, and the outer reference point moves along the trajectory of the first outer reference point toward the first reference plane. The trajectories of the first inner reference point and the first outer reference point are straight lines. The trajectory of the first inner reference point is set along or parallel to the first reference plane, and the trajectory of the first outer reference point is set along or parallel to the second reference plane.

7. The housing assembly according to claim 6, characterized in that, The vertical distance from the inner reference point to the first reference plane is no greater than 0.1t, and the vertical distance to the second reference plane is no greater than 0.1t; the vertical distance from the outer reference point to the second reference plane is no greater than 0.1t, and the vertical distance to the third reference plane is no greater than 0.1t. The third reference plane passes through the outer edge when it is in the closed state and is parallel to the first reference plane.

8. The housing assembly according to claim 1, characterized in that, The tangent direction of the second outer edge trajectory is set perpendicular to the first reference plane, or it is set at a fourth included angle between 70 degrees and 110 degrees relative to the first reference plane.

9. The housing assembly according to claim 8, characterized in that, During the process of the door opening from the first opening angle to the second opening angle, the fourth included angle remains unchanged or changes monotonically in a straight line.

10. The housing assembly according to claim 9, characterized in that, The difference between the maximum and minimum values ​​of the third included angle is not less than 35 degrees, and the difference between the maximum and minimum values ​​of the fourth included angle is not greater than 10 degrees.

11. The housing assembly according to claim 10, characterized in that, The distance by which the second outer edge trajectory extends beyond the second reference plane away from the opening is not greater than a first predetermined distance. The radius of curvature of the second inner edge trajectory gradually decreases. The endpoint of the second inner edge trajectory is located on the side of the first reference plane away from the opening, and the distance to the first reference plane is not less than 0.3t.

12. The housing assembly according to claim 10, characterized in that, The second opening angle is 57-60 degrees.

13. The housing assembly according to claim 10, characterized in that, The door body is further provided with an inner reference point and an outer reference point, wherein the inner reference point is adjacent to the inner edge, and the outer reference point is adjacent to the outer edge. When the door body opens from the first opening angle to the second opening angle, the inner reference point moves along a second inner reference point trajectory toward the side of the second reference plane facing the opening and toward the side of the first reference plane away from the opening. The outer reference point moves along a second outer reference point trajectory toward the first reference plane. The second outer reference point trajectory is a straight line and is either along or parallel to the second reference plane. The second inner reference point trajectory is configured such that the movement distance of the outer reference point along the second outer reference point trajectory satisfies the following formula with respect to the rotation angle of the door body: Wherein, θ1 is the rotation angle, τ1 is the movement distance, and θ is a preset angle of 100 degrees to 113 degrees.

14. A refrigeration device, characterized in that, The refrigeration equipment includes the housing assembly as described in any one of claims 1-13.

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