Box assembly and refrigeration equipment

Abstract

The present application discloses a cabinet assembly and a refrigeration device, wherein the cabinet assembly includes a door body, a cabinet and a hinge assembly, wherein the second hinge point is arranged away from the outer edge of the door body compared to the first hinge point, and a first angle and a second angle are respectively formed between the first hinge point and the first reference plane in a first movement direction relative to the cabinet, the second hinge point and the second movement direction relative to the cabinet, and during the process of the door body opening from a closed state to a first opening angle, the difference between the second angle and the first angle at the same actual opening angle of the door body relative to the cabinet gradually increases to offset the increase of the projection line of the line connecting the second hinge point and the outer edge on the first reference plane, and the increase of the projection line of the line connecting the second hinge point and the inner edge on the second reference plane, thereby reducing the problem of squeezing the cabinet and exceeding the side of the cabinet assembly when the door body is opened.

Description

Technical Field

[0001] The present application relates to a box assembly and a refrigeration device. Background Art

[0002] For a box assembly having a door body and a box body, when the door body is opened relative to the box body, the door body may squeeze the box body, or the door body may extend beyond the side of the box assembly; this may cause damage to the box body and interference with the installation environment of the box assembly. For example, for an embedded installation, the portion of the door body that extends beyond the side of the box assembly may interfere with the embedded wall. Summary of the invention

[0003] The present application provides a box assembly and a refrigeration device to solve the problem in the prior art that a door squeezes the box and exceeds the side of the box assembly during opening.

[0004] In order to solve the above technical problems, a technical solution adopted in this application is to provide a box assembly, including:

[0005] A box body, the box body is used to form a receiving space with an opening;

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

[0007] A hinge assembly, configured to pivotally connect the box body and the door body at a pivot side of the box body;

[0008] Wherein, the door body has an inner edge and an outer edge on the pivot side, and the door body 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 body is in a closed state and is parallel to the plane where the opening is located, the second reference plane passes through the outer edge when the door body is in a closed state and is perpendicular to the plane where the opening is located, and the first reference plane and the second reference plane remain stationary relative to the box body during the process of the door body opening relative to the box body;

[0009] The hinge assembly is used to form a first hinge point and a second hinge point, the second hinge point is arranged farther from the outer edge than the first hinge point, wherein in the process of the door body opening relative to the box body under the action of the hinge assembly, the door body has a first movement direction relative to the box body at the first hinge point, and has a second movement direction relative to the box body at the second hinge point, and the first movement direction and the second movement direction have a first angle and a second angle with the first reference plane respectively; wherein, when the first movement direction is arranged away from the first reference plane, the first angle is expressed in the form of a positive number, and when the first movement direction is arranged away from the second reference plane, the absolute value of the first angle is less than 90 degrees, and when the second movement direction is arranged away from the second reference plane, the second angle is expressed in the form of a positive number, and when the second movement direction is arranged away from the second reference plane, the absolute value of the second angle is less than 90 degrees;

[0010] In the process of the door body opening from a closed state to a first opening angle, the second angle is expressed in the form of the positive number and is less than 90 degrees, the first angle gradually decreases from a first initial angle expressed in the form of the positive number and less than 90 degrees to a first terminal angle, and the difference between the second angle and the first angle at the same actual opening angle of the door body relative to the box body gradually increases.

[0011] In order to solve the above technical problems, the present application also provides a refrigeration device, including the above box assembly.

[0012] The box assembly of the present application includes a door body, a box body and a hinge assembly, wherein the hinge assembly is configured to pivotally connect the box body and the door body on the pivot side of the box body, and the hinge assembly is used to form a first hinge point and a second hinge point, wherein the second hinge point is arranged farther away from the outer edge of the door body than the first hinge point, and the door body has a first angle and a second angle respectively between a first movement direction of the first hinge point relative to the box body and a second movement direction of the door body relative to the box body at the second hinge point and a first reference plane, and in the process of the door body opening from a closed state to a first opening angle, the second angle is expressed in the form of a positive number and is less than 90 degrees, and the first angle gradually decreases from a first initial angle expressed in the form of a positive number and less than 90 degrees to a first termination angle, and the difference between the second angle and the first angle at the same actual opening angle of the door body relative to the box body gradually increases. Analyzed from the perspective of motion relationship, the above-mentioned movement trends of the two hinge points correspond to the movement of the door body relative to the box body, including rotation and movement, wherein the movement tends to move away from the first reference plane and the second reference plane, offsetting the tendency of the door body to squeeze the box body and extend beyond the side of the box body assembly during rotation. Therefore, the door body assembly of the present application can achieve that the door body will not excessively squeeze the box body or excessively extend beyond the side of the box body assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0014] Figure 1 It is a cross-sectional structural schematic diagram of the first embodiment of the box assembly of the present application;

[0015] Figure 2 It is a partial enlarged schematic diagram of the hinge assembly when the door body is in a closed state in the first embodiment of the box assembly of the present application;

[0016] Figure 3 It is a partial enlarged schematic diagram of the hinge assembly when the door body is at a first opening angle in the first embodiment of the box assembly of the present application;

[0017] Figure 4 It is a schematic diagram of a function of the angle between the moving direction and the first reference plane in the first embodiment of the box assembly of the present application changing with the opening angle of the door body;

[0018] Figure 5 It is a partial enlarged schematic diagram of the hinge assembly when the door body is at the second opening angle in the first embodiment of the box assembly of the present application;

[0019] Figure 6 It is a schematic diagram of a function of the vertical distance between the reference point and the edge changing with the opening angle of the door body in the first embodiment of the box assembly of the present application;

[0020] Figure 7 It is a schematic diagram of a function of the angle between the reference point and the vertical line between the edge and the first reference plane changing with the opening angle of the door body in the first embodiment of the box assembly of the present application;

[0021] Figure 8 1 is a schematic diagram showing a function of the super-box distance of the door body in the first embodiment of the box assembly of the present application as the door body changes from a closed state to a first opening angle;

[0022] Fig. 9 It is a schematic diagram of a function of the distance that the door body squeezes the box body in the first embodiment of the box body assembly of the present application as the door body changes from a closed state to a first opening angle;

[0023] Fig.10 1 is a schematic diagram showing a function of the super-box distance of the door body in the first embodiment of the box assembly of the present application as the door body changes from a first opening angle to a second opening angle;

[0024] Fig.11is a schematic diagram showing a function of the distance that the door body squeezes the box body in the first embodiment of the box body assembly of the present application as the door body changes from a first opening angle to a second opening angle;

[0025] Fig.12 It is a schematic diagram of a function of the angle between the moving direction and the rear wall plane in the first embodiment of the box assembly of the present application changing with the opening angle of the door body;

[0026] Fig.13 It is a partial enlarged schematic diagram of the hinge assembly when the door body is in a closed state in the second embodiment of the box assembly of the present application;

[0027] Fig.14 It is a partial enlarged schematic diagram of the hinge assembly when the door body is at a first opening angle in the second embodiment of the box assembly of the present application;

[0028] Fig.15 is a schematic diagram showing the function of the first angle and the second angle in the second embodiment of the box assembly of the present application changing with the opening angle of the door body;

[0029] Fig.16 It is a partial enlarged schematic diagram of the hinge assembly when the door body is at a second opening angle in the second embodiment of the box assembly of the present application;

[0030] Fig.17 It is a partial enlarged schematic diagram of the hinge assembly when the door body is in a closed state in the third embodiment of the box assembly of the present application;

[0031] Fig.18 It is a partial enlarged schematic diagram of the hinge assembly when the door body is at the first opening angle in the third embodiment of the box assembly of the present application;

[0032] Fig.19 is a schematic diagram showing the function of the first angle and the second angle in the third embodiment of the box assembly of the present application changing with the opening angle of the door body;

[0033] Fig. 20 It is a partial enlarged schematic diagram of the hinge assembly when the door body is at the second opening angle in the third embodiment of the box assembly of the present application;

[0034] Fig.21 It is a partial enlarged schematic diagram of the hinge assembly when the door body is in a closed state in the fourth embodiment of the box assembly of the present application;

[0035] Fig. 22 It is a partial enlarged schematic diagram of the hinge assembly when the door body is at the first opening angle in the fourth embodiment of the box assembly of the present application;

[0036] Fig.23 2 is a schematic diagram showing the function of the first angle and the second angle in the fourth embodiment of the box assembly of the present application changing with the opening angle of the door body;

[0037] Fig.24 It is a partial enlarged schematic diagram of the hinge assembly when the door body is at the second opening angle in the fourth embodiment of the box assembly of the present application;

[0038] Fig.25 It is a partial enlarged schematic diagram of the hinge assembly when the door body is in a closed state in the fifth embodiment of the box assembly of the present application;

[0039] Fig.26 It is a partial enlarged schematic diagram of the hinge assembly when the door body is at the first opening angle in the fifth embodiment of the box assembly of the present application;

[0040] Fig. 27 It is a partial enlarged schematic diagram of the hinge assembly when the door body is at the second opening angle in the fifth embodiment of the box assembly of the present application;

[0041] Fig.28 It is a schematic diagram of the motion trajectory of the edges in the box assembly of the present application;

[0042] Fig.29 It is a schematic diagram of the opening angle of the door body relative to the box body and the edge movement trajectory of the present application. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. It will be understood that the specific embodiments described herein are only used to explain the present application, rather than to limit the present application. It should also be noted that, for ease of description, only some but not all structures related to the present application are shown in the drawings. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application.

[0044] There are many structures of hinge components that realize relative rotation between the door body and the box body. The structure of the hinge component determines the relative motion relationship between the door body and the box body. If only rotation is realized, it is easy for the door body to squeeze the box body and the door body to extend beyond the side of the box component. The side of the box component may be the side of the box body or the side of the door body when it is closed.

[0045] In order to solve the above problems, the present application designs the structure of the hinge assembly. The following first introduces several embodiments based on the inventive concept of the present application, and then explains the inventive concept of the present application.

[0046] See also Figure 1 and Figure 2The first embodiment of the box assembly 10 of the present application includes a box 110, a door 120 and a hinge assembly 130. The box 110 is formed with a accommodating space, and the accommodating space has an opening. The door 120 is used to block the opening. The hinge assembly 130 is arranged on the pivot side of the box 110. The hinge assembly 130 is used to pivotally connect the box 110 and the door 120, that is, the door 120 can be opened or closed relative to the box 11 under the action of the hinge assembly 130.

[0047] Among them, the door body 120 has an inner edge 121 and an outer edge 122 on the pivot side, and the box assembly 10 is provided with a first reference plane 123 and a second reference plane 124. The first reference plane 123 passes through the inner edge 121 when the door body 120 is in a closed state and is parallel to the plane where the opening is located. The second reference plane 124 passes through the outer edge 122 when the door body 120 is in a closed state and is perpendicular to the plane where the opening is located. The first reference plane 123 and the second reference plane 124 remain stationary relative to the box body 110 during the process of opening the door body 120 relative to the box body 110.

[0048] The hinge assembly 130 includes an inner groove body 140 and an outer groove body 150 arranged on the door body 120, and an inner shaft body 160 and an outer shaft body 170 arranged on the box body 110, wherein the inner groove body 140 is located on the side of the outer groove body 150 away from the second reference plane 124, wherein the outer groove body 150 cooperates with the outer shaft body 170 to form a first hinge point at the axis center of the outer shaft body 170, and the inner groove body 140 cooperates with the inner shaft body 160 to form a second hinge point at the axis center of the inner shaft body 160, wherein the second hinge point is arranged away from the outer edge 122 compared to the first hinge point (in this application, it means that the orthographic projection of the first hinge point on the vertical line from the second hinge point to the outer edge 122 is located between the second hinge point and the outer edge 122).

[0049] During the process of the door body 120 opening relative to the box body 110 under the action of the hinge assembly 130, the door body 120 has a first movement direction relative to the box body 110 at the first hinge point, and has a second movement direction relative to the box body 110 at the second hinge point, and there is a first angle θ11 between the first movement direction and the first reference plane 123, and there is a second angle θ12 between the second movement direction and the first reference plane 123. Among them, the definition of the first angle θ11 and the second angle θ12 is as follows: when the first movement direction is set away from the first reference plane, the first angle θ11 is a positive number, and when the first movement direction is set away from the second reference plane 124, the absolute value of the first angle θ11 is less than 90 degrees, that is, when the first movement direction is close to the first reference plane, the first angle θ11 is a negative number, and when the first movement direction is close to the second reference plane, the absolute value of the first angle θ11 is greater than 90 degrees; when the second movement direction is set away from the second reference plane 124, the second angle θ12 is a positive number, and when the second movement direction is set away from the second reference plane 124, the absolute value of the second angle θ12 is less than 90 degrees, but when the second movement direction is close to the second reference plane 124, the second angle is a negative number, and when the second movement direction is close to the second reference plane 124, the absolute value of the second angle is greater than 90 degrees.

[0050] See also Figure 3 and Figure 4 In the process of the door body 120 rotating from the closed state to the first opening angle, the shaft body moves the first track in the groove body, during which the second angle θ12 is a positive number and less than 90 degrees, and the first angle θ11 gradually decreases from the first initial angle that is a positive number and less than 90 degrees to the first terminal angle, and the difference between the second angle θ12 and the first angle θ11 at the same actual opening angle of the door body 120 relative to the box body 110 gradually increases. Analyzed from the perspective of the motion relationship, the above-mentioned motion trends of the two hinge points correspond to the movement of the door body relative to the box body, including rotation and movement, wherein the movement has a tendency to move away from the first reference plane and the second reference plane, which offsets the tendency of the door body to squeeze the box body and exceed the side of the box body assembly during rotation. Therefore, the door body assembly of the present application can achieve that the door body will not excessively squeeze the box body or excessively exceed the side of the box body assembly.

[0051] Based on the above-mentioned motion design principle for the first hinge point and the second hinge point, if you want to open a larger angle, the trajectory of the first hinge point and the second hinge point will be very long, and the corresponding slot to be set will also be larger, which will easily lead to a larger hinge assembly size and higher production cost. Therefore, the motion trajectory of the hinge point is designed in multiple sections, that is, the first hinge point and the second hinge point of the above-mentioned design concept are used in the first opening angle section, and as the opening angle increases, other hinge point motion design concepts are combined. Therefore, in this embodiment, the first opening angle is set between 25 degrees and 31 degrees, which can be 25 degrees, 27.8 degrees, 28 degrees, 31 degrees, etc.

[0052] Specifically, in this embodiment, the first angle θ11 is gradually reduced from the first initial angle to the first terminal angle, and the difference between the second angle θ12 and the first angle θ11 gradually increases. As the door body opens to the first opening angle, the movement direction of the door body at the two hinge points is on both sides of 45 degrees, so that the longest hinge point trajectory in the small-sized hinge assembly can be achieved. Then in this embodiment, the first initial angle of the first angle θ11 ranges from +55 degrees to +45 degrees, such as +55 degrees, +50 degrees or +45 degrees, etc., the first terminal angle ranges from +1 degree to +11 degrees, such as +1 degree, +6 or +11 degrees, etc., and the second angle θ12 ranges from +78 degrees to +64 degrees, specifically between 73 degrees and 69 degrees, such as +78 degrees, +71 degrees or +64 degrees, etc. And in this process, the change trend of the second angle θ12 is first reduced from 73 degrees to 69 degrees, and then increased from 69 degrees to 70 degrees.

[0053] Furthermore, in the present embodiment, the inner shaft 160 and the outer shaft 170 are located on the box body, the inner tank body 140 and the outer tank body 150 are located on the door body, the inner shaft 160 constitutes the second hinge point, and the outer shaft 170 constitutes the first hinge point. The inner shaft 160 is closer to the inner wall surface of the door body 120. When the door body 120 rotates from a closed state to open to a first opening angle, in order to realize the tendency movement of the door body 120 away from the wall surface, it is obvious that the movement trajectory of the inner shaft 160 must be greater than the movement trajectory of the outer shaft 170. In the present embodiment, the ratio of the movement trajectory length of the inner shaft 160 relative to the inner tank body 140 to the movement trajectory length of the outer shaft 170 relative to the outer tank body 150 is in the range of 1.2 to 1.4, such as 1.2, 1.3, 1.31 or 1.4, so that the door body 120 can move relative to the box body 110 along the Figure 2 Counterclockwise rotation as shown.

[0054] After the door body 120 is opened to the first opening angle, the movement modes of the first hinge point and the second hinge point can be changed so that the door body can be stably opened to a larger angle later. Figures 3 to 5In the process of the door body 120 rotating and opening from the first opening angle to the second opening angle, the first angle θ11 gradually increases from the second initial angle whose absolute value is less than 90 degrees to the second terminal angle, and the second angle θ12 gradually increases from the third initial angle which is a positive number and less than 90 degrees to the third terminal angle. The difference between the second angle θ12 and the first angle θ11 at the same actual opening angle of the door body 120 relative to the box body 110 at least gradually increases first.

[0055] Similarly, after the door body 120 is opened to the first opening angle relative to the box body 110, as the difference between the second angle θ12 and the first angle θ11 gradually increases, the door body 120 tends to move away from the first reference plane relative to the box body 110, and the distance from the outer shaft body 170 to the inner edge 121 and the outer edge 122 gradually decreases, which corresponds to the door body 120 tending to move away from the second reference plane relative to the box body 110.

[0056] During the opening process of the door body 120, the distance from the outer shaft body 170 to the inner edge 121 and the outer edge 122 gradually decreases. Mathematically speaking, this can offset the increase in the projection line of the line connecting the outer shaft body 170 and the outer edge 122 on the first reference plane 123, and the increase in the projection line of the line connecting the outer shaft body 170 and the inner edge 121 on the second reference plane 124. It can be seen that the door body 120 can avoid excessively exceeding the side of the box assembly and excessively squeezing the box body 110 during the opening process.

[0057] In this embodiment, the second opening angle ranges from 57 degrees to 60 degrees, such as 57 degrees, 59 degrees or 60 degrees. The difference between the second angle θ12 and the first angle θ11 at the same actual opening angle of the door body 120 relative to the box body 110 first gradually increases and then gradually decreases, and the actual opening angle of the door body 120 relative to the box body 110 corresponding to the transition position where the difference transitions from gradually increasing to gradually decreasing is between 50 degrees and 60 degrees, such as 50 degrees, 55 degrees or 60 degrees.

[0058] According to the analysis of the motion trajectory, when the opening angle of the door body 120 relative to the box body 110 is 45 degrees, the degree of squeezing the box body 110 and the degree of exceeding the box body components are greater. Therefore, when the door body 120 is opened to 45 degrees in the closed state, the door body 120 has a tendency to move away from the first reference plane and the second reference plane relative to the box body 110. Therefore, the difference between the designed second angle θ12 and the first angle θ11 gradually increases. In the process of the door body 120 continuing to open, if it continues to move away from the first reference plane and the second reference plane, it is easy for the door body 120 to move too far away from the box body 110, resulting in the door body 120 being unstable. Therefore, after 45 degrees, it is necessary to prevent the door body 120 from moving away from the first reference plane and the second reference plane, and further, it is necessary to control the door body 120 from moving away from the box body 110. Therefore, the difference between the second angle θ12 and the first angle θ11 is designed to gradually increase and then gradually decrease.

[0059] Moreover, after the door body 120 is opened 45 degrees, the difference between the second angle θ12 and the first angle θ11 gradually decreases, which is a theoretical situation. Taking into account the smoothness of the hinge when the door body 120 is opened, in this embodiment, the actual opening angle of the door body 120 relative to the box body 110 corresponding to the transition position where the difference gradually increases to gradually decreases is between 50 degrees and 60 degrees, for example 50 degrees, 55 degrees or 60 degrees.

[0060] Corresponding to the further opening of the door body 120, the movement trend of the hinge point also continues the trend when it is opened to the first opening angle, wherein the first angle θ11 gradually increases from the second initial angle to the second terminal angle, the second initial angle ranges from +1 degree to +11 degrees, such as +1 degree, +6 degrees or +11 degrees, etc., and the second terminal angle ranges from +36 degrees to +46 degrees, such as +36 degrees, +41 degrees or +46 degrees, etc. The change of the second angle θ12 is that it gradually increases from the third initial angle to the third terminal angle; the third initial angle ranges from +65 degrees to +75 degrees, such as +65 degrees, +70 degrees or +75 degrees, etc., and the third terminal angle ranges from +108 degrees to +118 degrees, such as +118 degrees, +123 degrees or +118 degrees, etc. As the door body 120 opens from the first opening angle to the second opening angle, the larger the opening angle, the longer the motion trajectory length of the inner shaft body 160 relative to the inner groove body 140 is than the motion trajectory length of the outer shaft body 170 relative to the outer groove body 150, and the ratio of the two is in the range of 2.1 to 2.3, such as 2.1, 2.16, 2.2 or 2.3, so that the door body 120 can move relative to the box body 110 along the Figure 2 Counterclockwise rotation as shown.

[0061] When designing the hinge assembly of this embodiment, the main thing is to design the shaft and groove structure. To ensure the stability of the structure, the groove cannot be too close to the edge of the door body or the box body. Therefore, in this embodiment, the distance between the axis of the shaft and the reference plane is further limited. Assuming that the thickness of the door body 120 (that is, the length of the door body 120 in the direction parallel to the second reference plane 124) is t, when the door body 120 is opened from the closed position to the maximum angle relative to the box body 110 under the action of the hinge assembly 130, the distance between the axis of the inner shaft 160 and the first reference plane 123 ranges from 0.75t to 0.77t, such as 0.75t, 0.76t or 0.77t, etc. The distance from the axis of the inner shaft 160 to the second reference plane 124 is 0.75t to 0.77t. The distance from the outer shaft body 170 to the first reference plane 123 ranges from 0.59t to 0.61t, for example, 0.59t, 0.60t or 0.61t, and the distance from the outer shaft body 170 to the second reference plane 124 ranges from 0.49t to 0.51t, for example, 0.49t, 0.50t or 0.51t, etc.

[0062] For the process of the door body opening from the first opening angle to the second opening angle, the first angle θ11 gradually increases from a second initial angle whose absolute value is less than 90 degrees to a second terminal angle, and the second angle θ12 gradually increases from a third initial angle which is a positive number and less than 90 degrees to a third terminal angle. The difference between the second angle θ12 and the first angle θ11 at the same actual opening angle of the door body 120 relative to the box body 110 at least gradually increases first.

[0063] Corresponding to the trend of the difference between the second angle θ12 and the first angle θ11 gradually increasing, the door body 120 tends to move away from the first reference plane and the second reference plane relative to the box body 110, so the door body will not over-compress the box body or exceed the side of the box body assembly. Therefore, for the motion design of the hinge point, the first opening angle can be the door closing angle, and the second opening angle can be any angle. That is, in the process of opening from the closed state, the design of the hinge point in the process from the first opening angle to the second opening angle can be directly used.

[0064] See also Figure 2 , Figure 3 , Figures 5 to 7In this embodiment, the hinge assembly is further defined from another angle. In the process of the door body 120 opening from the closed position to the maximum angle relative to the box body 110 under the action of the hinge assembly 130, the first hinge point moves from the starting position to the ending position. The door body 120 is further provided with a reference point, which coincides with the first hinge point, and remains relatively still relative to the box body 110 during the opening process of the door body 120. There is a first perpendicular line from the reference point to the outer edge 122, and a first vertical distance D1 is formed along the first perpendicular line to the outer edge 122. There is a second perpendicular line from the reference point to the inner edge 121, and a second vertical distance D2 is formed along the second perpendicular line to the inner edge 121. The first perpendicular line and the first reference plane 123 have a third angle θ13, and the second perpendicular line and the first reference plane 123 have a fourth angle θ14.

[0065] See also Figure 2 , Figure 3 , Figure 6 and Figure 7 In the present embodiment, in the process of the door body 120 rotating and opening from a closed state to a first opening angle relative to the box body 110, the first vertical distance D1 and the second vertical distance D2 gradually decrease, the third angle θ13 gradually decreases within the range of 0 degrees to 90 degrees, and the fourth angle θ14 gradually increases within the range of 0 degrees to 90 degrees.

[0066] Analyzed from the perspective of motion trajectory, during the opening process of the door body 120, the reference point remains unchanged, the third angle θ13 decreases, and thus the outer edge 122 tends to move toward the first reference plane, corresponding to the opening process of the door body, and the first vertical distance D1 decreases, so that the outer edge 122 will not be too far away from the side of the second reference plane away from the opening, that is, the door body 120 will not excessively extend beyond the side of the box assembly.

[0067] Similarly, the fourth angle θ14 increases, that is, the inner edge 121 moves away from the second reference plane, corresponding to the opening process of the door body. The second vertical distance D2 decreases, so that the inner edge 121 does not move too much toward the opening, that is, the door body 120 does not excessively squeeze the box body 110.

[0068] In addition, from a mathematical point of view, the distance between the reference point and the second reference plane 124 is D1*cosθ13. As D1 decreases, cosθ13 increases, changing in the opposite direction. This can reduce the distance that the door body 120 exceeds the side of the box body 110 (i.e., the second reference plane 124) during the opening process. At the same time, since the distance between the reference point and the first reference plane 123 is D2*sinθ14, as D2 decreases, sinθ14 increases, changing in the opposite direction. This can reduce the distance that the door body 120 squeezes the box body 110 during the opening process.

[0069] In this embodiment, the reference point corresponds to the first hinge point. In order to optimize the position setting of the first hinge point and the second hinge point, the first hinge point is set closer to the second reference plane. Therefore, at the same actual opening angle of the door body 120, the first vertical distance D1 is smaller than the second vertical distance D2, and the third angle θ13 is smaller than the fourth angle θ14.

[0070] During the door opening process, based on the movement direction of the outer edge 122 in this embodiment, the movement change of the outer edge 122 becomes larger and larger, so the change amplitude of the first vertical distance D1 corresponding to each unit angle of opening of the door body 120 gradually increases, while the movement change of the inner edge 121 becomes smaller and smaller, so the change amplitude of the second vertical distance D2 corresponding to each unit angle of opening of the door body 120 gradually decreases.

[0071] Specifically, when designing the hinge assembly of this embodiment, the main focus is on designing the shaft and groove structure. To ensure the stability of the structure, the groove cannot be too close to the edge of the door body or the box body. Therefore, the first vertical distance D1 gradually decreases from the range of 0.63t to 0.65t (for example, 0.63t, 0.64t or 0.65t, etc.) to the range of 0.57t to 0.59t (for example, 0.57t, 0.58t or 0.59t, etc.), and the second vertical distance D2 gradually decreases from the range of 0.78t to 0.80t (for example, 0.78t, 0.79t or 0.80t, etc.) to the range of 0.59t to 0.61t (for example, 0.59t, 0.60t or 0.61t, etc.).

[0072] In this embodiment, the third angle θ13 gradually decreases from a range of 39 degrees to 41 degrees (for example, 39 degrees, 40 degrees or 41 degrees, etc.) to a range of 35 degrees to 37 degrees (for example, 35 degrees, 36 degrees or 37 degrees, etc.), and the fourth angle θ14 gradually increases from a range of 49 degrees to 51 degrees (for example, 49 degrees, 50 degrees or 51 degrees, etc.) to a range of 79 degrees to 81 degrees (for example, 79 degrees, 80 degrees or 81 degrees, etc.).

[0073] See also Figure 8 In this embodiment, there is a first product between the first vertical distance D1 and the cosine value of the third angle θ13. When the door body 120 is in the closed state, the cosine value of the first vertical distance D1 and the third angle θ13 is the first initial product. Figure 6The shown over-box distance is the difference between the first product and the first initial product. In the process of the door body 120 rotating and opening from a closed state to a first opening angle relative to the box body 110, the difference between the maximum value and the minimum value of the first product is less than 0.1t, such as 0.1t, 0.05t or 0.02t, etc., so that the process of opening the door body 120 relative to the box body 110 is more stable, and the first product remains constant or gradually decreases, so that the door body 120 will not exceed the side of the box body 110 during the process of opening relative to the box body 110.

[0074] See also Fig. 9 In this embodiment, there is a second product between the second vertical distance D2 and the sine value of the fourth angle θ14. When the door body 120 is in the closed state, the sine value of the second vertical distance D2 and the fourth angle θ14 is the second initial product. Fig. 9 The box extrusion distance shown is the difference between the second product and the second initial product. In the process of the door body 120 rotating from a closed state to a first opening angle relative to the box body 110, the difference between the maximum value and the minimum value of the second product is less than 0.1t, such as 0.1t, 0.05t or 0.02t, etc., so that the process of the door body 120 opening relative to the box body 110 is more stable, and the second product remains constant or gradually decreases, so that the door body 120 will not excessively squeeze the box body 110 during the process of opening relative to the box body 110.

[0075] See also Figure 3 , Figures 5 to 7 In the present embodiment, in the process of the door body 120 rotating and opening from the first opening angle to the second opening angle relative to the box body 110, the first vertical distance D1 gradually decreases, the third angle θ13 gradually decreases within the range of 0 degrees to 90 degrees, the fourth angle θ14 gradually increases, and at least exceeds 90 degrees within the predetermined angle range before the second opening angle, and the second vertical distance D2 gradually increases within the predetermined angle range. Similarly, since the distance between the reference point and the second reference plane 124 is D1*cosθ13, cosθ13 increases while D1 decreases, showing an inverse change, which can reduce the distance that the door body 120 exceeds the side of the box body 110 (i.e., the second reference plane 124) during the opening process. At the same time, since the distance between the reference point and the first reference plane 123 is D2*sinθ14, D2 increases within the predetermined angle range while sinθ14 decreases, showing an inverse change, which can reduce the distance that the door body 120 squeezes the box body 110 during the opening process.

[0076] Combining the above-mentioned process of opening from the closed state to the first opening angle, and the process of opening from the first opening angle to the second opening angle, it can be known that the design concept based on the first opening angle to the second opening angle can also solve the problems of excessive squeezing of the box body and exceeding the side of the box body component. Therefore, this design concept can be applied to the process from the closed state to the first opening angle, that is, the first opening angle can also be considered to correspond to the closed state, and the second opening angle can be any angle.

[0077] In this embodiment, the fourth angle θ14 gradually increases from less than 90 degrees to greater than 90 degrees, and the second vertical distance D2 first gradually decreases and then gradually increases, so as to achieve smooth movement of the outer shaft body 170 relative to the outer groove body 150, thereby making the rotation of the door body 120 more stable.

[0078] In this embodiment, the first vertical distance D1 gradually decreases from a range of 0.57t to 0.59t (for example, 0.57t degrees, 0.58t degrees or 0.59t degrees, etc.) to a range of 0.50t to 0.52t (for example, 0.50t degrees, 0.51t degrees or 0.52t degrees, etc.), and the second vertical distance D2 gradually increases from 0.59t to 0.61t (for example, 0.59t degrees, 0.60t degrees or 0.61t degrees, etc.).

[0079] In this embodiment, as the opening angle of the door body 120 increases, the third angle θ13 gradually decreases from the range of 35 degrees to 37 degrees to the range of 2 degrees to 4 degrees, and the fourth angle θ14 gradually increases from the range of 79 degrees to 81 degrees to the range of 125 degrees to 127 degrees.

[0080] See also Fig.10 In this embodiment, there is a first product between the first vertical distance D1 and the cosine value of the third angle θ13. When the door body 120 is in the closed state, the cosine value of the first vertical distance D1 and the third angle θ13 is the first initial product. Fig.10 The super-box distance shown is the difference between the first product and the first initial product. In the process of the door body 120 rotating from the first opening angle to the second opening angle relative to the box body 110, the difference between the maximum value and the minimum value of the first product is less than 0.1t, for example 0.1t, 0.05t or 0.02t, etc., so that the process of opening the door body 120 relative to the box body 110 is more stable, and the first product remains constant or gradually decreases, so that the door body 120 will not exceed the side of the box body 110 during the process of opening relative to the box body 110.

[0081] See also Fig.11In this embodiment, there is a second product between the second vertical distance D2 and the sine value of the fourth angle θ14. When the door body 120 is in the closed state, the sine value of the second vertical distance D2 and the fourth angle θ14 is the second initial product. Fig.11 The shown squeezing box distance is the difference between the second product and the second initial product. When the door body 120 rotates from the first opening angle to the second opening angle relative to the box body 110, the second product gradually decreases at least within a preset angle range.

[0082] In this embodiment, the difference between the second product when the door body 120 is at the second opening angle and the second product when the door body 120 is at the first opening angle is not greater than -0.1t, for example -0.1t, -0.05t or -0.02t, etc., so that the process of opening the door body 120 relative to the box body 110 is more stable, and the box body 110 will not be excessively squeezed during the process of rotating and opening the door body 120 relative to the box body 110.

[0083] In this embodiment, the second product gradually increases in amplitude corresponding to each unit angle of the door body 120 being opened.

[0084] In addition, for the hinge assembly in the present application, a grooved shaft structure is usually used for design, and the shape of the groove determines the movement state of the door body relative to the box body. Obviously, in addition to the above-mentioned problem of avoiding the door body from excessively squeezing the box body and excessively exceeding the side of the box body assembly, there is also the problem of the door body jamming in movement relative to the box body.

[0085] Please continue to see Figures 1 to 3 , the hinge of this embodiment can be further defined from another perspective below. The door body 120 further has a rear wall plane 125 and a side wall plane 126. The front wall plane (not shown in the figure) is defined in this application as the plane where the door body 120 is in a closed state, passing the outer edge 122 and parallel to the plane where the opening is located. The rear wall plane 125 is the plane where the door body 120 is in a closed state, passing the inner edge 121 and parallel to the plane where the opening is located. The side wall plane 126 is the plane where the door body 120 is in a closed state, passing the outer edge 122 and perpendicular to the plane where the opening is located. When the door body 120 is opened, the two move synchronously with the door body 120. The door body thickness t is the spacing distance between the front wall plane and the rear wall plane 125.

[0086] In this embodiment, the inner groove body 140 has a first inner groove section 141, and the outer groove body 150 has a first outer groove section 151. The terminal position of the first inner groove section 141 is closer to the rear wall plane 125 and the side wall plane 126 than the starting position of the first inner groove section 141, and the terminal position of the first outer groove section 151 is closer to the rear wall plane 125 and the side wall plane 126 than the starting position of the first outer groove section 151. When the door body 120 is turned from a closed state relative to the box body 110 under the action of the hinge assembly 130, In the process of opening the door 120 to the first opening angle, the outer shaft 170 moves from the starting position of the first outer groove section 151 to the ending position of the first outer groove section 151 relative to the outer groove body 150, and the inner shaft 160 moves from the starting position of the first inner groove section 141 to the ending position of the first inner groove section 141 relative to the inner groove body 140, wherein, in the process of the door body 120 rotating from the closed state to the first opening angle relative to the box body 110, the second movement direction always remains inclined relative to the first movement direction. If the two movement directions are parallel, the movement of the door body will be stuck. In this embodiment, the two movement directions are always tilted, which solves the problem of stuck.

[0087] See also Fig.12 In the present embodiment, a first angle α1 is defined between the first movement direction and the rear wall plane 125, and a second angle α2 is defined between the second movement direction and the rear wall plane 125. Under the same actual opening angle of the door body 120 relative to the box body 110, the second angle α2 is greater than the first angle α1, and in the process of the door body 120 rotating from a closed state to open to the first opening angle, the first angle α1 and the second angle α2 are gradually reduced, respectively, and the difference between the second angle α2 and the first angle α1 is gradually increased, so that the distance from the outer shaft body 170 to the inner edge 121 and the outer edge 122 are reduced. Similar to the previous description, the door body 120 can be prevented from exceeding the side edge of the box body 110 (i.e., the plane where the side wall plane 126 is located when the door body 120 is in a closed state) and excessively squeezing the box body 110 during the opening process.

[0088] In this embodiment, the first outer groove segment 151 is further provided with a transition position located between the starting position of the first outer groove segment 151 and the ending position of the first outer groove segment 151, wherein the transition position of the first outer groove segment 151 is closer to the rear wall plane 125 and the side wall plane 126 than the starting position of the first outer groove segment 151, and the ending position of the first outer groove segment 151 is closer to the side wall plane 126 and farther away from the rear wall plane 125 than the transition position of the first outer groove segment 151, wherein the second angle α2 is expressed in the form of a positive number, when the first movement direction is away from the rear wall plane 125, the first angle α1 is expressed in the form of a positive number, and when the first movement direction is toward the rear wall plane 125, the first angle α1 is expressed in the form of a negative number.

[0089] In this embodiment, the first angle α1 gradually decreases from a range of +45 degrees to +55 degrees (for example, +45 degrees, +50 degrees or +55 degrees, etc.) to a range of -16 degrees to -26 degrees (for example, -16 degrees, -21 degrees or -26 degrees, etc.), and the second angle α2 gradually decreases from a range of +68 degrees to +78 degrees (for example, +68 degrees, +73 degrees or +78 degrees, etc.) to a range of +37 degrees to +47 degrees (for example, +37 degrees, +42 degrees or +47 degrees, etc.).

[0090] In this embodiment, the difference between the second angle α2 and the first angle α1 gradually increases from a range of +13 degrees to +23 degrees (for example, +13 degrees, +18 degrees or +23 degrees, etc.) to a range of +63 degrees to +73 degrees (for example, +63 degrees, +68 degrees or +73 degrees, etc.).

[0091] In this embodiment, the ratio of the length of the inner shaft body 160 along the first inner groove section 141 to the length of the outer shaft body 170 along the first outer groove section 151 is between 1.2 and 1.4, for example, 1.2, 1.3 or 1.4, so that the door body 120 can be relatively close to the box body 110 along the track length of the inner shaft body 160 along the first inner groove section 141. Fig.10 Counterclockwise rotation as shown.

[0092] In this embodiment, the inner groove body 140 includes a second inner groove section 142 connected to the first inner groove section 141, and the outer groove body 150 includes a second outer groove section 152 connected to the first outer groove section 151. The terminal position of the second inner groove section 142 is closer to the rear wall plane 125 and the side wall plane 126 than the starting position of the second inner groove section 142, and the terminal position of the second outer groove section 152 is closer to the side wall plane 126 and farther away from the rear wall plane 125 than the starting position of the second outer groove section 152.

[0093] When the door body 120 is rotated and opened from the first opening angle to the second opening angle relative to the box body 110 under the action of the hinge assembly 130, the outer shaft body 170 moves relative to the outer slot body 150, the starting point of the movement is the starting position of the second outer slot segment 152, and the end point of the movement is the end position of the second outer slot segment 152, and the inner shaft body 160 moves synchronously relative to the inner slot body 140, the starting point of the movement is the starting position of the second inner slot segment 142, and the end point of the movement is the end position of the second inner slot segment 142. When the door body 120 is rotated and opened from the first opening angle to the second opening angle relative to the box body 110 During the process of changing the angle, the second angle α2 gradually increases, the first angle α1 first gradually decreases and then gradually increases, and the difference between the second angle α2 and the first angle α1 first gradually increases and then gradually decreases, which can reduce the distance from the outer shaft body 170 to the inner edge 121 and the outer edge 122, so as to offset the increase of the projection line of the line connecting the outer shaft body 170 and the outer edge 122 on the first reference plane 123, and the increase of the distance between the outer shaft body 170 and the first reference plane 123, thereby preventing the door body 120 from exceeding the side of the box body 110 and excessively squeezing the box body 110 during the opening process.

[0094] In this embodiment, the ratio of the length of the inner shaft body 160 along the second inner groove section 142 to the length of the outer shaft body 170 along the second outer groove section 152 is in the range of 2.1 to 2.3, such as 2.1, 2.2 or 2.3, so that the door body 120 can be relatively close to the box body 110 along the track length of the inner shaft body 160 along the second inner groove section 142. Fig.10 Counterclockwise rotation as shown.

[0095] In this embodiment, when the door body 120 rotates and opens from the first opening angle to the second opening angle relative to the box body 110, the sum of the first included angle α1 and the corresponding actual opening angle of the door body 120 gradually increases.

[0096] In this embodiment, the second angle α2 gradually increases from a range of +37 degrees to +47 degrees (for example, +37 degrees, +42 degrees or +47 degrees, etc.) to a range of +49 degrees to +59 degrees (for example, +49 degrees, +54 degrees or +59 degrees, etc.), and the first angle α1 gradually decreases from a range of -16 degrees to -26 degrees (for example, -16 degrees, -21 degrees or -26 degrees, etc.) to a range of -34 to -44 degrees (for example, -34 degrees, -39 degrees or -44 degrees, etc.), and then gradually increases to a range of -13 degrees to -23 degrees (for example, -13 degrees, -18 degrees or -23 degrees, etc.).

[0097] In this embodiment, the difference between the second angle α2 and the first angle α1 first increases gradually from a range of +58 degrees to +68 degrees (for example, +58 degrees, +63 degrees or +68 degrees, etc.) to a range of +85 degrees to +95 degrees (for example, +85 degrees, +90 degrees or +95 degrees, etc.), and then gradually decreases to a range of +67 degrees to +77 degrees (for example, +67 degrees, +72 degrees or +77 degrees, etc.). The difference between the second angle α2 and the first angle α1 has a greater change amplitude corresponding to each unit angle of the door body 120 opened during the increasing process than the change amplitude corresponding to each unit angle of the door body 120 opened during the decreasing process.

[0098] In this embodiment, the actual opening angle of the door body 120 corresponding to the transition of the difference between the second angle α2 and the first angle α1 to the gradually increasing transition position is in the range of 50 degrees to 60 degrees, such as 50 degrees, 55 degrees or 60 degrees.

[0099] In this embodiment, when the door body 120 is in a closed state, the distance from the axis center of the inner shaft body 160 to the rear wall plane 125 ranges from 0.75t to 0.77t, for example, 0.75t, 0.76t or 0.77t, and the distance from the axis center of the inner shaft body 160 to the side wall plane 126 ranges from 0.79t to 0.81t, for example, 0.79t, 0.80t or 0.81t, etc.; the distance from the axis center of the outer shaft body 170 to the rear wall plane 125 ranges from 0.59t to 0.61t, for example, 0.59t, 0.60t or 0.61t, and the distance from the axis center of the outer shaft body 170 to the side wall plane 126 ranges from 0.49t to 0.51t, for example, 0.49t, 0.50t or 0.51t, etc.

[0100] When the door body 120 is at the first opening angle, the distance from the axis center of the inner shaft body 160 to the rear wall plane 125 ranges from 0.51t to 0.53t, for example, 0.51t, 0.52t or 0.53t, and the distance from the axis center of the inner shaft body 160 to the side wall plane 126 ranges from 0.64t to 0.66t, for example, 0.64t, 0.65t or 0.66t, etc.; the distance from the axis center of the outer shaft body 170 to the rear wall plane 125 ranges from 0.50t to 0.52t, for example, 0.50t, 0.51t or 0.52t, and the distance from the axis center of the outer shaft body 170 to the side wall plane 126 ranges from 0.30t to 0.32t, for example, 0.30t, 0.31t or 0.32t, etc.

[0101] When the door body 120 is at the second opening angle, the distance from the axis center of the inner shaft body 160 to the rear wall plane 125 ranges from 0.37t to 0.39t, for example, 0.37t, 0.38t or 0.39t, etc., and the distance from the axis center of the inner shaft body 160 to the side wall plane 126 ranges from 0.52t to 0.54t, for example, 0.52t, 0.53t or 0.54t, etc.; the distance from the axis center of the outer shaft body 170 to the rear wall plane 125 ranges from 0.55t to 0.57t, for example, 0.55t, 0.56t or 0.57t, etc., and the distance from the axis center of the outer shaft body 170 to the side wall plane 126 ranges from 0.22t to 0.24t, for example, 0.22t, 0.23t or 0.24t, etc.

[0102] In this embodiment, the inner groove body 140 includes a third inner groove segment 143 connected to the second inner groove segment 142, and the third inner groove segment 143 is an arc centered on the terminal position of the second outer groove segment 152. When the door body 120 rotates from the second opening angle to the third opening angle relative to the box body 110 under the action of the hinge assembly 120, the outer shaft body 170 rotates relative to the outer groove body 150 at the terminal position of the second outer groove segment 152, and the inner shaft body 160 synchronously moves from the starting position of the third inner groove segment 143 to the terminal position of the third inner groove segment 143 relative to the inner groove body 140.

[0103] In this embodiment, the third opening angle ranges from 122 degrees to 132 degrees, such as 122 degrees, 127 degrees or 132 degrees.

[0104] See also Fig.13 The second embodiment of the box assembly 20 of the present application includes a box 210, a door 220 and a hinge assembly 230. The box 210 is formed with a accommodating space, and the accommodating space has an opening. The door 220 is covered on the opening to block the opening. The hinge assembly 230 is arranged on the pivot side of the box 210. The hinge assembly 230 is used to pivotally connect the box 210 and the door 220. The definitions of the inner edge 221 and the outer edge 222, the first reference plane 223 and the second reference plane 224 of the door 220 refer to the above-mentioned first embodiment of the box assembly 10, which will not be repeated here.

[0105] The difference between this embodiment and the above embodiment is that, in this embodiment, the inner groove body 240 and the outer shaft body 250 of the hinge assembly 230 are arranged on the door body 220, and the inner shaft body 260 and the outer groove body 270 of the hinge assembly 230 are arranged on the box body 210, wherein the outer groove body 270 cooperates with the outer shaft body 250 to form a first hinge point at the axis of the outer shaft body 250, and the inner groove body 240 cooperates with the inner shaft body 260 to form a second hinge point at the axis of the inner shaft body 260, and the second hinge point is arranged farther from the outer edge 222 than the first hinge point. Obviously, the design of the hinge point of this embodiment is the same as that of the above embodiment.

[0106] During the process of the door body 220 opening relative to the box body 210 under the action of the hinge assembly 230, the door body 220 has a first movement direction relative to the box body 210 at the first hinge point, and has a second movement direction relative to the box body 210 at the second hinge point, and a first angle θ21 is formed between the first movement direction and the first reference plane 223, and a second angle θ22 is formed between the second movement direction and the first reference plane 223, wherein the definitions of the first angle θ21 and the second angle θ22 refer to the above-mentioned first embodiment of the box body assembly 10 and will not be repeated here.

[0107] See also Fig.14 and Fig.15 , in the process of the door body 220 rotating from the closed state to the first opening angle, the second angle θ22 is a positive number and less than 90 degrees, the first angle θ21 gradually decreases from the first initial angle of a positive number and less than 90 degrees to the first terminal angle, and the difference between the second angle θ22 and the first angle θ21 at the same actual opening angle of the door body 220 relative to the box body 210 gradually increases. Analyzed from the perspective of the motion relationship, the above-mentioned motion trend of the two hinge points corresponds to the movement of the door body relative to the box body, including rotation and movement, wherein the movement has a tendency to move away from the first reference plane and the second reference plane, which offsets the tendency of the door body to squeeze the box body and exceed the side of the box body assembly during rotation, so the door body assembly of the present application can achieve that the door body will not excessively squeeze the box body or excessively exceed the side of the box body assembly. .

[0108] In this embodiment, the first opening angle ranges from 25 degrees to 31 degrees, such as 25 degrees, 27 degrees or 31 degrees.

[0109] In this embodiment, the first initial angle ranges from +33 degrees to +23 degrees, for example, +33 degrees, +28 degrees or +23 degrees, etc., the first termination angle ranges from -5 degrees to -15 degrees, for example, -5 degrees, -10 degrees or -15 degrees, etc., and the second angle θ22 ranges from +78 degrees to +64 degrees, for example, +78 degrees, +72 degrees or +64 degrees, etc.

[0110] In this embodiment, when the door body 220 is rotated from the closed state to the first opening angle, the ratio of the motion trajectory length of the inner shaft body 260 relative to the inner groove body 240 to the motion trajectory length of the outer shaft body 250 relative to the outer groove body 270 is in the range of 1.5 to 1.7, for example, 1.5, 1.56, 1.6 or 1.7, so that the door body 220 can rotate relative to the box body 210 along the first opening angle. Fig.10 Counterclockwise rotation as shown.

[0111] See also Fig.16 In the process of the door body 220 rotating and opening from the first opening angle to the second opening angle, the first angle θ21 gradually increases from the second initial angle whose absolute value is less than 90 degrees to the second terminal angle, and the second angle θ22 gradually increases from the third initial angle which is expressed in a positive number and is less than 90 degrees to the third terminal angle. The difference between the second angle θ22 and the first angle θ21 at the same actual opening angle of the door body 220 relative to the box body 210 at least gradually increases first to offset the increase of the projection line of the line connecting the outer shaft body 250 and the outer edge 222 on the first reference plane 223, and the increase of the projection line of the line connecting the outer shaft body 250 and the inner edge 221 on the second reference plane 224, thereby preventing the door body 220 from exceeding the side of the box body 210 (i.e., the second reference plane 224) and over-squeezing the box body 210 during the opening process.

[0112] In this embodiment, the second opening angle ranges from 57 degrees to 60 degrees, such as 57 degrees, 58 degrees or 60 degrees.

[0113] In this embodiment, the second initial angle ranges from -5 degrees to -15 degrees, for example -5 degrees, -10 degrees or -15 degrees, etc., the second termination angle ranges from +37 degrees to +47 degrees, for example +37 degrees, +42 degrees or +47 degrees, etc., the third initial angle ranges from +65 degrees to +75 degrees, for example +65 degrees, +70 degrees or +75 degrees, etc., the third termination angle ranges from +108 degrees to +118 degrees, for example +118 degrees, +123 degrees or +118 degrees, etc.

[0114] In this embodiment, when the door body 220 is rotated from the first opening angle to the second opening angle, the ratio of the length of the movement trajectory of the inner shaft body 260 relative to the inner groove body 240 to the length of the movement trajectory of the outer shaft body 250 relative to the outer groove body 270 is in the range of 2.1 to 2.3, such as 2.1, 2.18, 2.2 or 2.3, so that the door body 220 can be rotated relative to the box body 210 along the Fig.10 Counterclockwise rotation as shown.

[0115] In this embodiment, the thickness of the door body 220 (i.e., the length of the door body 220 in the direction parallel to the second reference plane 224) is t. When the door body 220 is rotated from the closed position to the maximum angle relative to the box body 210 under the action of the hinge assembly 230, the distance between the axis of the inner shaft body 260 and the first reference plane 223 ranges from 0.75t to 0.77t, such as 0.75t, 0.76t or 0.77t, etc. The inner shaft body 260 The distance between the axis and the second reference plane 224 ranges from 0.79t to 0.81t, such as 0.79t, 0.80t or 0.81t, etc. When the door body 220 is in a closed state, the distance between the outer shaft body 250 and the first reference plane 223 ranges from 0.55t to 0.57t, such as 0.55t, 0.56t or 0.57t, etc. The distance between the outer shaft body 250 and the second reference plane 224 ranges from 0.2 When the door body 220 is at the first opening angle, the distance between the axis of the outer shaft body 250 and the first reference plane 223 is between 0.59t and 0.61t, for example, 0.59t, 0.60t or 0.61t, and the distance between the axis of the outer shaft body 250 and the second reference plane 224 is between 0.40t and 0.42t, for example, 0.4 0t, 0.41t or 0.42t, etc.; when the door body 220 is at the second opening angle, the distance between the axis center of the outer shaft body 250 and the first reference plane 223 ranges from 0.59t to 0.61t, such as 0.59t, 0.60t or 0.61t, etc., and the distance between the axis center of the outer shaft body 250 and the second reference plane 224 ranges from 0.49t to 0.51t, such as 0.49t, 0.50t or 0.51t, etc.

[0116] In this embodiment, the door body 220 is further provided with a reference point, which coincides with the axis center of the outer shaft body 250 when the outer shaft body 250 is in the terminal position of the outer groove body 270. The change process of the first vertical distance from the reference point to the outer edge 222 and the second vertical distance to the inner edge 221 is similar to that in the first embodiment of the box assembly 10 mentioned above, and will not be repeated here.

[0117] See also Fig.17The third embodiment of the box assembly 30 of the present application includes a box 310, a door 320 and a hinge assembly 330. The box 310 is formed with a accommodating space, and the accommodating space has an opening. The door 320 is covered on the opening to block the opening. The hinge assembly 330 is arranged on the pivot side of the box 310. The hinge assembly 330 is used to pivotally connect the box 310 and the door 320. The definitions of the inner edge 321 and the outer edge 322, the first reference plane 323 and the second reference plane 324 of the door 320 refer to the first embodiment of the box assembly 10 mentioned above, which will not be repeated here.

[0118] The difference between this embodiment and the above-mentioned embodiments lies in that, in this embodiment, the inner shaft body 340 and the outer groove body 350 of the hinge assembly 330 are arranged on the door body 320, and the inner groove body 360 and the outer shaft body 370 of the hinge assembly 330 are arranged on the box body 310, wherein the outer groove body 350 cooperates with the outer shaft body 370 to form a first hinge point at the axis center of the outer shaft body 370, and the inner groove body 360 cooperates with the inner shaft body 340 to form a second hinge point at the axis center of the inner shaft body 340, and the second hinge point is arranged away from the outer edge 322 compared with the first hinge point. During the process of the door body 320 opening relative to the box body 310 under the action of the hinge assembly 330, the door body 320 has a first movement direction relative to the box body 310 at the first hinge point, and has a second movement direction relative to the box body 310 at the second hinge point, and a first angle θ31 is formed between the first movement direction and the first reference plane 323, and a second angle θ32 is formed between the second movement direction and the first reference plane 323, wherein the definitions of the first angle θ31 and the second angle θ32 refer to the above-mentioned first embodiment of the box body assembly 10 and will not be repeated here.

[0119] See also Fig.18 and Fig.19 , in the process of the door body 320 rotating from the closed state to the first opening angle, the second angle θ32 is a positive number and less than 90 degrees, the first angle θ31 gradually decreases from the first initial angle of a positive number and less than 90 degrees to the first terminal angle, and the difference between the second angle θ32 and the first angle θ31 at the same actual opening angle of the door body 320 relative to the box body 310 gradually increases. Analyzed from the perspective of the motion relationship, the above-mentioned motion trend of the two hinge points corresponds to the movement of the door body relative to the box body, including rotation and movement, wherein the movement has a tendency to move away from the first reference plane and the second reference plane, which offsets the tendency of the door body to squeeze the box body and exceed the side of the box body assembly during rotation, so the door body assembly of the present application can achieve that the door body will not excessively squeeze the box body or excessively exceed the side of the box body assembly. .

[0120] In this embodiment, the first opening angle ranges from 25 degrees to 31 degrees, such as 25 degrees, 29 degrees or 31 degrees.

[0121] In this embodiment, the first initial angle ranges from +55 degrees to +45 degrees, for example, +55 degrees, +50 degrees or +45 degrees, etc., the first termination angle ranges from +1 degree to +11 degrees, for example, +1 degree, +6 or +11 degrees, etc., the second angle θ32 ranges from +0 degrees to +18 degrees, specifically 5 degrees to 13 degrees, for example, +0 degrees, +9 degrees or +18 degrees, etc., and gradually decreases.

[0122] In this embodiment, when the door body 320 is rotated from the closed state to the first opening angle, the ratio of the motion trajectory length of the inner shaft body 340 relative to the inner groove body 360 to the motion trajectory length of the outer shaft body 370 relative to the outer groove body 350 is in the range of 1.5 to 1.7, for example, 1.5, 1.58, 1.6 or 1.7, so that the door body 320 can rotate relative to the box body 310 along the first opening angle. Fig.12 Counterclockwise rotation as shown.

[0123] See also Fig. 20 In the process of the door body 320 rotating and opening from the first opening angle to the second opening angle, the first angle θ31 gradually increases from the second initial angle whose absolute value is less than 90 degrees to the second terminal angle, and the second angle θ32 gradually increases from the third initial angle which is a positive number and less than 90 degrees to the third terminal angle. The difference between the second angle θ32 and the first angle θ31 at the same actual opening angle of the door body 320 relative to the box body 310 at least gradually increases first to offset the increase of the projection line of the line connecting the outer shaft body 370 and the outer edge 322 on the first reference plane 323, and the increase of the projection line of the line connecting the outer shaft body 370 and the inner edge 321 on the second reference plane 324, thereby preventing the door body 320 from exceeding the side of the box body 310 (i.e., the second reference plane 324) and over-squeezing the box body 310 during the opening process.

[0124] In this embodiment, the second opening angle ranges from 57 degrees to 60 degrees, such as 57 degrees, 58 degrees or 60 degrees.

[0125] In this embodiment, the second initial angle ranges from +1 degree to +11 degrees, for example, +1 degree, +6 degrees or +11 degrees, etc., the second termination angle ranges from +36 degrees to +46 degrees, for example, +36 degrees, +41 degrees or +46 degrees, etc., the third initial angle ranges from 0 degrees to +10 degrees, for example, 0 degrees, 5 degrees or 10 degrees, etc., and the third termination angle ranges from +45 degrees to +55 degrees, for example, +45 degrees, +50 degrees or +55 degrees, etc.

[0126] In this embodiment, when the door body 320 is rotated from the first opening angle to the second opening angle, the ratio of the length of the movement trajectory of the inner shaft body 340 relative to the inner groove body 360 to the length of the movement trajectory of the outer shaft body 370 relative to the outer groove body 350 is in the range of 3.0 to 3.2, such as 3.0, 3.1, 3.13 or 3.2, so that the door body 320 can be rotated relative to the box body 310 along the Fig.12 Counterclockwise rotation as shown.

[0127] In this embodiment, the thickness of the door body 320 (i.e., the length of the door body 320 in the direction parallel to the second reference plane 324) is t. When the door body 320 is opened from the closed position to the maximum angle relative to the box body 310 under the action of the hinge assembly 330, the distance between the outer shaft body 370 and the first reference plane 323 ranges from 0.59t to 0.61t, such as 0.59t, 0.60t or 0.61t, and the axis of the outer shaft body 370 is 0.59t to 0.61t. The distance between the reference planes 324 ranges from 0.49t to 0.51t, such as 0.49t, 0.50t or 0.51t, etc. When the door body 320 is in a closed state, the distance between the axis of the inner shaft body 340 and the first reference plane 323 ranges from 0.21t to 0.23t, such as 0.21t, 0.22t or 0.23t, etc. The distance between the axis of the inner shaft body 340 and the second reference plane 324 ranges from 0. When the door body 320 is at the first opening angle, the distance between the axis of the inner shaft body 340 and the first reference plane 323 is between 0.27t and 0.29t, such as 0.27t, 0.28t or 0.29t, and the distance between the axis of the inner shaft body 340 and the second reference plane 324 is between 0.52t and 0.54t, such as 0. 52t, 0.53t or 0.54t, etc.; when the door body 320 is at the second opening angle, the distance between the axis center of the inner shaft body 340 and the first reference plane 323 ranges from 0.37t to 0.39t, such as 0.37t, 0.38t or 0.39t, etc., and the distance between the axis center of the inner shaft body 340 and the second reference plane 324 ranges from 0.76t to 0.78t, such as 0.76t, 0.77t or 0.78t, etc.

[0128] In this embodiment, the door body 320 is further provided with a reference point, which coincides with the first hinge point. The change process of the first vertical distance from the reference point to the outer edge 322 and the second vertical distance to the inner edge 321 is similar to that in the first embodiment of the box assembly 10 mentioned above, and will not be repeated here.

[0129] See also Fig.21The fourth embodiment of the box assembly 40 of the present application includes a box 410, a door 420 and a hinge assembly 430. The box 410 is formed with a accommodating space, and the accommodating space has an opening. The door 420 is covered on the opening to block the opening. The hinge assembly 430 is arranged on the pivot side of the box 410. The hinge assembly 430 is used to pivotally connect the box 410 and the door 420. The definitions of the inner edge 421 and the outer edge 422 of the door 420, the first reference plane 423 and the second reference plane 424 refer to the above-mentioned first embodiment of the box assembly 10, which will not be repeated here.

[0130] The difference between this embodiment and the above-mentioned embodiments lies in that, in this embodiment, the inner shaft body 440 and the outer shaft body 450 of the hinge assembly 430 are arranged on the door body 420, and the inner groove body 460 and the outer groove body 470 of the hinge assembly 430 are arranged on the box body 410, wherein the outer groove body 470 cooperates with the outer shaft body 450 to form a first hinge point at the axis center of the outer shaft body 450, and the inner groove body 460 cooperates with the inner shaft body 440 to form a second hinge point at the axis center of the inner shaft body 440, and the second hinge point is arranged away from the outer edge 422 compared with the first hinge point. During the process of the door body 420 opening relative to the box body 410 under the action of the hinge assembly 430, the door body 420 has a first movement direction relative to the box body 410 at the first hinge point, and has a second movement direction relative to the box body 410 at the second hinge point, and a first angle θ41 is formed between the first movement direction and the first reference plane 423, and a second angle θ42 is formed between the second movement direction and the first reference plane 423, wherein the definitions of the first angle θ41 and the second angle θ42 refer to the above-mentioned first embodiment of the box body assembly 10 and will not be repeated here.

[0131] See also Fig. 22 and Fig.23 , in the process of the door body 420 rotating from the closed state to the first opening angle, the second angle θ42 is a positive number and less than 90 degrees, the first angle θ41 gradually decreases from the first initial angle of a positive number and less than 90 degrees to the first terminal angle, and the difference between the second angle θ42 and the first angle θ41 at the same actual opening angle of the door body 420 relative to the box body 410 gradually increases. Analyzed from the perspective of the motion relationship, the above-mentioned motion trend of the two hinge points corresponds to the movement of the door body relative to the box body, including rotation and movement, wherein the movement has a tendency to move away from the first reference plane and the second reference plane, which offsets the tendency of the door body to squeeze the box body and exceed the side of the box body assembly during rotation, so the door body assembly of the present application can achieve that the door body will not excessively squeeze the box body or excessively exceed the side of the box body assembly. .

[0132] In this embodiment, the first opening angle ranges from 25 degrees to 31 degrees, such as 25 degrees, 27 degrees or 31 degrees.

[0133] In this embodiment, the first initial angle ranges from +33 degrees to +23 degrees, for example, +33 degrees, +28 degrees or +23 degrees, etc., the first termination angle ranges from -5 degrees to -15 degrees, for example, -5 degrees, -10 degrees or -15 degrees, etc., the second angle θ22 ranges from +0 degrees to +18 degrees, for example, +0 degrees, +8 degrees or +18 degrees, etc., and gradually decreases.

[0134] In this embodiment, when the door body 420 is rotated from the closed state to the first opening angle, the ratio of the motion trajectory length of the inner shaft body 440 relative to the inner groove body 460 to the motion trajectory length of the outer shaft body 450 relative to the outer groove body 470 is in the range of 1.8 to 2.0, such as 1.8, 1.87, 1.9 or 2.0, so that the door body 420 can rotate relative to the box body 410 along the first opening angle. Fig.14 Counterclockwise rotation as shown.

[0135] See also Fig.24 In the process of the door body 420 rotating and opening from the first opening angle to the second opening angle, the first angle θ41 gradually increases from the second initial angle whose absolute value is less than 90 degrees to the second terminal angle, and the second angle θ42 gradually increases from the third initial angle which is expressed in a positive number and is less than 90 degrees to the third terminal angle. The difference between the second angle θ42 and the first angle θ41 at the same actual opening angle of the door body 420 relative to the box body 410 at least gradually increases first to offset the increase of the projection line of the line connecting the outer shaft body 450 and the outer edge 422 on the first reference plane 423, and the increase of the projection line of the line connecting the outer shaft body 450 and the inner edge 421 on the second reference plane 424, thereby preventing the door body 420 from exceeding the side of the box body 410 (i.e., the second reference plane 424) and over-squeezing the box body 410 during the opening process.

[0136] In this embodiment, the second opening angle ranges from 57 degrees to 60 degrees, such as 57 degrees, 58 degrees or 60 degrees.

[0137] In this embodiment, the second initial angle ranges from -5 degrees to -15 degrees, for example -5 degrees, -10 degrees or -15 degrees, etc., the second termination angle ranges from +37 degrees to +47 degrees, for example +37 degrees, +42 degrees or +47 degrees, etc., the third initial angle ranges from +0 degrees to +10 degrees, for example +0 degrees, +6 degrees or +10 degrees, etc., the third termination angle ranges from +45 degrees to +55 degrees, for example +45 degrees, +51 degrees or +55 degrees, etc.

[0138] In this embodiment, when the door body 420 is rotated from the first opening angle to the second opening angle, the ratio of the motion trajectory length of the inner shaft body 440 relative to the inner groove body 460 to the motion trajectory length of the outer shaft body 450 relative to the outer groove body 470 is in the range of 3.0 to 3.2, such as 3.0, 3.1 or 3.2, so that the door body 420 can be rotated relative to the box body 410 along the Fig.14 Counterclockwise rotation as shown.

[0139] In this embodiment, the thickness of the door body 420 (i.e., the length of the door body 420 in the direction parallel to the second reference plane 424) is t. When the door body 420 is in a closed state, the distance between the axis of the inner shaft body 440 and the first reference plane 423 ranges from 0.21t to 0.23t, such as 0.21t, 0.22t or 0.23t, etc., the distance between the axis of the inner shaft body 440 and the second reference plane 424 ranges from 0.17t to 0.19t, such as 0.17t, 0.18t or 0.19t, etc., and the distance between the axis of the outer shaft body 450 and the first reference plane 423 ranges from 0.21t to 0.23t, such as 0.21t, 0.22t or 0.23t, etc. The range of the distance between the axis center of the outer shaft body 450 and the second reference plane 424 is between 0.22t and 0.24t, such as 0.22t, 0.23t or 0.24t; when the door body 420 is at the first opening angle, the range of the distance between the axis center of the inner shaft body 440 and the first reference plane 423 is between 0.27t and 0.29t, such as 0.27t, 0.28t or 0.29t, and the range of the distance between the axis center of the inner shaft body 440 and the second reference plane 424 is 0.52t. The distance between the axis of the outer shaft body 450 and the first reference plane 423 is between 0.59t and 0.61t, such as 0.59t, 0.60t or 0.61t, and the distance between the axis of the outer shaft body 450 and the second reference plane 424 is between 0.40t and 0.42t, such as 0.40t, 0.41t or 0.42t; when the door body 420 is at the second opening angle, the distance between the axis of the inner shaft body 440 and the first reference plane 423 is between 0.37t and 0.39t. The distance between the axis center of the inner shaft body 440 and the second reference plane 424 ranges from 0.76t to 0.78t, for example, 0.76t, 0.77t or 0.78t, the distance between the axis center of the outer shaft body 450 and the first reference plane 423 ranges from 0.59t to 0.61t, for example, 0.59t, 0.60t or 0.61t, the distance between the axis center of the outer shaft body 450 and the second reference plane 424 ranges from 0.49t to 0.51t, for example, 0.49t, 0.50t or 0.51t, etc.

[0140] In this embodiment, the door body 420 is further provided with a reference point, which coincides with the axis center of the outer shaft body 450 when the outer shaft body 450 is in the terminal position of the outer groove body 470. The change process of the first vertical distance from the reference point to the outer edge 422 and the second vertical distance to the inner edge 421 is similar to that in the first embodiment of the box assembly 10 mentioned above, and will not be repeated here.

[0141] See also Fig.25 The fifth embodiment of the box assembly 50 of the present application includes a box 510, a door 520 and a hinge assembly 530. The box 510 is formed with a accommodating space, and the accommodating space has an opening. The door 520 is covered on the opening to block the opening. The hinge assembly 530 is arranged on the pivot side of the box 510. The hinge assembly 530 is used to pivotally connect the box 510 and the door 520. The definitions of the inner edge 521 and the outer edge 522, the first reference plane 523 and the second reference plane 524 of the door 520 refer to the first embodiment of the box assembly 10 mentioned above, which will not be repeated here.

[0142] The difference between this embodiment and the above-mentioned embodiments lies in that, in this embodiment, the hinge assembly 530 includes a groove body 540 arranged on the door body 520 and an axle body 550 arranged on the box body 510, the groove body 540 cooperates with the axle body 550 to form a second hinge point at the axis center of the axle body 550, and the hinge assembly 530 further includes a connecting rod 560, one end of the connecting rod 560 is hinged to the door body 520 to form a first hinge point, and the other end of the connecting rod 560 is hinged to the box body 510, and the second hinge point is arranged away from the outer edge 522 compared to the first hinge point. During the process of the door body 520 opening relative to the box body 510 under the action of the hinge assembly 530, the door body 520 has a first movement direction relative to the box body 510 at the first hinge point, and has a second movement direction relative to the box body 510 at the second hinge point, and a first angle θ51 is formed between the first movement direction and the first reference plane 523, and a second angle θ52 is formed between the second movement direction and the first reference plane 523, wherein the definitions of the first angle θ51 and the second angle θ52 refer to the above-mentioned first embodiment of the box body assembly 10 and will not be repeated here.

[0143] See also Fig.26 , in the process of the door body 520 rotating from the closed state to the first opening angle, the second angle θ52 is a positive number and less than 90 degrees, the first angle θ51 gradually decreases from the first initial angle of a positive number and less than 90 degrees to the first terminal angle, and the difference between the second angle θ52 and the first angle θ51 at the same actual opening angle of the door body 520 relative to the box body 510 gradually increases. Analyzed from the perspective of the motion relationship, the above-mentioned motion trend of the two hinge points corresponds to the movement of the door body relative to the box body, including rotation and movement, wherein the movement has a tendency to move away from the first reference plane and the second reference plane, which offsets the tendency of the door body to squeeze the box body and exceed the side of the box body assembly during rotation, so the door body assembly of the present application can achieve that the door body will not excessively squeeze the box body or excessively exceed the side of the box body assembly. .

[0144] In this embodiment, the first opening angle ranges from 25 degrees to 31 degrees, such as 25 degrees, 27 degrees or 31 degrees.

[0145] In this embodiment, the first initial angle ranges from +36 degrees to +26 degrees, for example, +36 degrees, +31 degrees or +26 degrees, etc., the first termination angle ranges from -5 degrees to +5 degrees, for example, -5 degrees, 0 degrees or +5 degrees, etc., and the second angle θ52 ranges from +78 degrees to +64 degrees, for example, +78 degrees, +71 degrees or +64 degrees, etc.

[0146] See also Fig. 27 In this embodiment, during the process of the door body 520 rotating and opening from the first opening angle to the second opening angle, the first angle θ51 is further reduced, and the second angle θ52 is gradually increased from a second initial angle which is a positive number and less than 90 degrees to a second terminal angle.

[0147] In this embodiment, the first angle θ51 is further reduced to a range between -9 degrees and -19 degrees, for example, -9 degrees, -14 degrees or -19 degrees, etc., the second initial angle range is between +64 degrees and +74 degrees, for example, +64 degrees, +69 degrees or +74 degrees, etc., and the second termination angle range is between +108 degrees and +118 degrees, for example, +108 degrees, +113 degrees or +118 degrees, etc.

[0148] Based on the several embodiments described above, the box assembly of the present application includes a box body, a door body and a hinge assembly, the box body forms a accommodating space, and the accommodating space has an opening, the door body cover is arranged on the opening, and can block the opening, the hinge assembly is arranged on the pivot side of the box body, and the hinge assembly is used to pivotally connect the box body and the door body, wherein the door body is formed with an inner edge and an outer edge on the pivot side, and the box body assembly is provided with a first reference plane and a second reference plane, the first reference plane passes through the inner edge of the door body when it is in a closed state and is parallel to the plane where the opening is located, the second reference plane passes through the outer edge of the door body when it is in a closed state and is perpendicular to the plane where the opening is located, and the first reference plane and the second reference plane remain stationary relative to the box body during the process of opening the door body relative to the box body.

[0149] The hinge assembly is formed with a first hinge point and a second hinge point, and the second hinge point is arranged away from the outer edge compared to the first hinge point, wherein in the process of the door body opening relative to the box body under the action of the hinge assembly, the door body has a first movement direction relative to the box body at the first hinge point, and has a second movement direction relative to the box body at the second hinge point, a first angle is formed between the first movement direction and the first reference plane, and a second angle is formed between the second movement direction and the first reference plane; wherein, when the first movement direction is arranged away from the first reference plane, the first angle is a positive number, and when the first movement direction is arranged away from the second reference plane, the absolute value of the first angle is less than 90 degrees, and when the second movement direction is arranged away from the second reference plane, the second angle is a positive number, and when the second movement direction is arranged away from the second reference plane, the absolute value of the second angle is less than 90 degrees.

[0150] In the process of the door body rotating and opening from a closed state to a first opening angle, the second angle is a positive number and less than 90 degrees, the first angle gradually decreases from a first initial angle that is a positive number and less than 90 degrees to a first terminal angle, and the difference between the second angle and the first angle at the same actual opening angle of the door body relative to the box body gradually increases; in the process of the door body rotating and opening from the first opening angle to the second opening angle, the first angle gradually increases from a second initial angle whose absolute value is less than 90 degrees to a second terminal angle, the second angle gradually increases from a third initial angle that is a positive number and less than 90 degrees to a third terminal angle, and the difference between the second angle and the first angle at the same actual opening angle of the door body relative to the box body at least gradually increases first.

[0151] In addition, in the process of the door body opening from the closed position to the maximum angle relative to the box body under the action of the hinge assembly, the first hinge point moves from the starting position to the ending position, and the door body is further provided with a reference point, which coincides with the one of the starting position and the ending position of the first hinge point that is farthest from the second reference plane, and remains relatively still relative to the box body during the opening process of the door body; there is a first perpendicular line from the reference point to the outer edge, and a first vertical distance from the first perpendicular line to the outer edge, a second perpendicular line from the reference point to the inner edge, and a second vertical distance from the second perpendicular line to the inner edge, the first perpendicular line has a third angle with the first reference plane, and the second perpendicular line has a third angle with the first reference plane The surface has a fourth angle; wherein, in the process of the door body rotating and opening from a closed state to a first opening angle relative to the box body, the first vertical distance and the second vertical distance gradually decrease, the third angle gradually decreases within the range of 0 degrees to 90 degrees, and the fourth angle gradually increases within the range of 0 degrees to 90 degrees; in the process of the door body rotating and opening from the first opening angle to the second opening angle relative to the box body, the first vertical distance gradually decreases, the third angle gradually decreases within the range of 0 degrees to 90 degrees, the fourth angle gradually increases, and at least exceeds 90 degrees within a predetermined angle range before the second opening angle, and the second vertical distance gradually increases within the predetermined angle range.

[0152] The hinge assembly can realize the rotation of the door body 120 relative to the box body 110, and the inner edge 121 and the outer edge 122 of the door body 120 have a certain motion trajectory relative to each other, such as Fig.28 and 29 .

[0153] In which, under the action of the hinge assembly 130, when the door body 120 is closed relative to the box body 110 and opened to the first opening angle, the outer edge 122 moves along the first outer edge track A1B1 toward the first reference plane X, and the inner edge 121 moves along the first inner edge track A2B2 toward the second reference plane Y toward the opening side. For the movement of the outer edge 121 and the inner edge 122 in their respective directions, the radius of curvature of the first outer edge track A1B1 is greater than or equal to 5t, and the distance beyond the second reference plane Y away from the opening side is less than or equal to the first predetermined distance d1; the radius of curvature of the first inner edge track A2B2 is greater than or equal to 100t, and the distance beyond the first reference plane X toward the opening side is less than or equal to the second predetermined distance d2, where t is the thickness of the door body. Based on the radius of curvature of the motion trajectory and the limitation of the distance that the motion trajectory can exceed the reference plane, the door body can move smoothly and within the predetermined range.

[0154] The specific values ​​of the first predetermined distance and the second predetermined distance can be determined according to the actual product design needs. For example, the first predetermined distance can be determined according to the distance between the wall in which the box assembly is embedded and the box assembly, and the second distance can be determined according to the thickness or elasticity of the door seal on the box. In this embodiment, the door body thickness is used for scalar measurement, and the first predetermined distance and the second predetermined distance are limited to 0 to 0.15 times the door body thickness. If 0 times is selected, it is limited that the door body does not squeeze the box body and does not exceed the side of the box assembly. In this embodiment, 0.1 times can be specifically selected, which means that it is allowed to exceed 0.1 times the door body thickness. It can also be limited according to empirical values, with the first predetermined distance being 0mm to 4mm and the second predetermined distance being 0mm to 2mm. Similarly, if 0mm is selected for both, it is limited that it will not exceed. In this embodiment, the first predetermined distance is 3mm and the second predetermined distance is 1mm, which is the distance allowed to exceed.

[0155] Furthermore, in the present embodiment, the end point B2 of the first inner edge trajectory A2B2 is located on the first reference plane X, or the end point 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 end point B1 of the first outer edge trajectory A1B1 is located on the second reference plane Y, or the end point 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.

[0156] That is, after the door body 120 is opened to the first opening angle, the inner edge 122 of the door body 120 will not squeeze the box body 110, and will not move too far away from the box body 110; the outer edge 121 will not exceed the side of the box assembly 100, and will not move too much toward the second reference plane Y toward the opening side. This ensures that the door body 120 will not have obvious displacement problems when it is opened, and the movement of the door body 120 is more stable.

[0157] When the door body 120 is opened from the first opening angle to the second opening angle relative to the box body 11, the inner edge 121 moves along the second inner edge track toward the side of the second reference plane Y facing the opening and the side of the first reference plane X away from the opening, and the curvature radius of the second inner edge track gradually decreases; the outer edge 122 moves along the second outer edge track toward the first reference plane X, and the curvature radius of the second outer edge track is greater than or equal to 5t, and the distance of the second outer edge track beyond the second reference plane away from the opening is less than or equal to the first predetermined distance. The second inner edge track can be A2C2, and the second outer edge track can be A1C1.

[0158] The movement direction of the inner edge 121 along the second inner edge trajectory is away from the box opening, which can prevent the door from squeezing the box; and the second outer edge trajectory of the outer edge trajectory 122 has a curvature radius greater than or equal to 5t, and a distance beyond the second reference plane away from the opening side is less than or equal to a first predetermined distance. Based on the above analysis of the first outer edge trajectory, this feature can prevent the door from extending beyond the side of the box assembly.

[0159] Under the action of the hinge assembly 130, the door body 120 can further open from the second opening angle to the third opening angle relative to the box body 110. During this process, the inner edge 121 moves along the third inner edge track C2D2 toward the first reference plane X away from the opening, and the outer edge 122 moves along the third outer edge track C1D1 toward the second reference plane Y toward the opening. The track of this movement direction also corresponds to a larger opening angle of the door body 120.

[0160] The third outer edge track C1D1 and the third inner edge track C2D2 are specifically concentrically arranged circular arcs, the curvature radius of the third inner edge track C2D2 is 0.55t-0.67t, and the curvature radius of the third outer edge track C1D1 is 0.45t-0.55t.

[0161] Specifically, in the design of three-segment tracks, the first track corresponds to a first opening angle of 25 to 31 degrees, the second track corresponds to a second opening angle of 57 to 60 degrees, and the third track corresponds to a third opening angle of 122 to 132 degrees. The opening angles here also correspond to the opening angles in the above embodiment.

[0162] The length of the first inner edge track A2B2 is 0.465t, and the length of the first outer edge track A1B1 is 0.115t.

[0163] The length of the second outer edge track B1C1 is 0.2285t, and the second inner edge track B2C2 is set so that the movement distance of the outer edge 121 on the second outer edge track B1C1 and the rotation angle of the door body 12 relative to the box body 11 satisfy the following formula:

[0164]

[0165] Wherein, θ1 is the rotation angle, θ is a preset angle of 100 degrees to 113 degrees, and t1 is the movement distance.

[0166] The center of the third inner edge track C2D2 is located inside the door body 12, and the radius of curvature is 0.61t, and the center of the third outer edge track C1D1 is located inside the door body 12, and the radius of curvature is 0.5t. The vertical distance from the center to the first reference plane X is 0.6t, and the vertical distance from the center to the second reference plane Y is 0.5t.

[0167] In summary, different hinge assemblies that meet the design ideas of this application can reduce the problem of squeezing the box body and exceeding the side of the box assembly when the door is opened. The above box assembly design can be applied to situations where there is a door body and there are problems of squeezing the box body and interference when exceeding the box assembly, such as refrigerators, cabinets and other products.

[0168] The present application also proposes a refrigeration device, which includes the above-mentioned box assembly, that is, the above-mentioned door body, box body and hinge assembly between the door body and the box body are used. The refrigeration device can be a refrigerator, a freezer, a wine cabinet, a fresh food cabinet, etc.

[0169] The above description is only an implementation method of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A box assembly, characterized in that: The box assembly comprises: A box body, the box body is used to form a receiving space with an opening; A door body, the door body is used to block the opening; A hinge assembly, configured to pivotally connect the box body and the door body at a pivot side of the box body; Wherein, the door body has an inner edge and an outer edge on the pivot side, and the door body 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 body is in a closed state and is parallel to the plane where the opening is located, the second reference plane passes through the outer edge when the door body is in a closed state and is perpendicular to the plane where the opening is located, and the first reference plane and the second reference plane remain stationary relative to the box body during the process of the door body opening relative to the box body; The hinge assembly is used to form a first hinge point and a second hinge point, the second hinge point is arranged farther from the outer edge than the first hinge point, wherein in the process of the door body opening relative to the box body under the action of the hinge assembly, the door body has a first movement direction relative to the box body at the first hinge point, and has a second movement direction relative to the box body at the second hinge point, and the first movement direction and the second movement direction have a first angle and a second angle with the first reference plane respectively; wherein, when the first movement direction is arranged away from the first reference plane, the first angle is expressed in the form of a positive number, and when the first movement direction is arranged away from the second reference plane, the absolute value of the first angle is less than 90 degrees, and when the second movement direction is arranged away from the second reference plane, the second angle is expressed in the form of a positive number, and when the second movement direction is arranged away from the second reference plane, the absolute value of the second angle is less than 90 degrees; In the process of the door body opening from a closed state to a first opening angle, the second angle is expressed in the form of the positive number and is less than 90 degrees, the first angle gradually decreases from a first initial angle expressed in the form of the positive number and less than 90 degrees to a first terminal angle, and the difference between the second angle and the first angle at the same actual opening angle of the door body relative to the box body gradually increases.

2. The box assembly according to claim 1, characterized in that: The hinge assembly includes an outer slot body and an outer shaft body respectively arranged on the door body and the box body, and an inner slot body and an inner shaft body respectively arranged on the door body and the box body, wherein the outer slot body cooperates with the outer shaft body to form the first hinge point at the axis center of the outer shaft body, and the inner slot body cooperates with the inner shaft body to form the second hinge point at the axis center of the inner shaft body.

3. The box assembly according to claim 2, characterized in that: The outer shaft body is arranged on the box body, the outer groove body is arranged on the door body, the first initial angle is between +55 degrees and +45 degrees, and the first termination angle is between +1 degree and +11 degrees.

4. The box assembly according to claim 2, characterized in that: The outer shaft body is arranged on the door body, the outer groove body is arranged on the box body, the first initial angle is between +33 degrees and +23 degrees, and the first termination angle is between -5 degrees and -15 degrees.

5. The box assembly according to claim 3 or 4, characterized in that: The inner shaft body is arranged on the box body, the inner groove body is arranged on the door body, and the second angle is between +78 degrees and +64 degrees.

6. The box assembly according to claim 5, characterized in that: The inner shaft body and the outer shaft body are arranged on the box body, the inner groove body and the outer groove body are arranged on the door body, the distance from the axis center of the inner shaft body to the first reference plane is between 0.75t and 0.77t, and the distance to the second reference plane is between 0.79t and 0.81t, the distance from the outer shaft body to the first reference plane is between 0.59t and 0.61t, and the distance to the second reference plane is between 0.49t and 0.51t.

7. The box assembly according to claim 5, characterized in that: The inner shaft and the outer shaft are arranged on the box body, and the inner groove body and the outer groove body are arranged on the door body. When the door body is opened from the closed state to the first opening angle, the ratio of the motion trajectory length of the inner shaft relative to the inner groove body to the motion trajectory length of the outer shaft relative to the outer groove body is between 1.2 and 1.

4.

8. The box assembly according to claim 5, characterized in that: The inner shaft body and the outer groove body are arranged on the box body, and the inner groove body and the outer shaft body are arranged on the door body. The distance from the axis center of the inner shaft body to the first reference plane is between 0.75t and 0.77t, and the distance to the second reference plane is between 0.79t and 0.81t. When the door body is in a closed state, the distance from the outer shaft body to the first reference plane is between 0.55t and 0.57t, and the distance to the second reference plane is between 0.22t and 0.24t. When the door body is at a first opening angle, the distance from the axis center of the outer shaft body to the first reference plane is between 0.59t and 0.61t, and the distance to the second reference plane is between 0.40t and 0.42t.

9. The box assembly according to claim 5, characterized in that: The inner shaft and the outer groove are arranged on the box body, and the inner groove and the outer shaft are arranged on the door body. When the door body is opened from the closed state to the first opening angle, the ratio of the motion trajectory length of the inner shaft relative to the inner groove to the motion trajectory length of the outer shaft relative to the outer groove is between 1.5 and 1.

7.

10. The box assembly according to claim 3 or 4, characterized in that: The inner shaft body is arranged on the door body, the inner groove body is arranged on the box body, and the second angle is between +0 degrees and +18 degrees and gradually decreases.

11. The box assembly according to claim 10, characterized in that: The inner groove body and the outer shaft body are arranged on the box body, and the inner shaft body and the outer groove body are arranged on the door body. The distance from the outer shaft body to the first reference plane is between 0.59t and 0.61t, and the distance to the second reference plane is between 0.49t and 0.51t. When the door body is in a closed state, the distance from the axis center of the inner shaft body to the first reference plane is between 0.21t and 0.23t, and the distance to the second reference plane is between 0.17t and 0.19t. When the door body is at a first opening angle, the distance from the axis center of the inner shaft body to the first reference plane is between 0.27t and 0.29t, and the distance to the second reference plane is between 0.52t and 0.54t.

12. The box assembly according to claim 10, characterized in that: The inner groove body and the outer shaft body are arranged on the box body, and the inner shaft body and the outer groove body are arranged on the door body. When the door body is opened from the closed state to the first opening angle, the ratio of the motion trajectory length of the inner shaft body relative to the inner groove body to the motion trajectory length of the outer shaft body relative to the outer groove body is between 1.5 and 1.

7.

13. The box assembly according to claim 10, characterized in that: The inner groove body and the outer groove body are arranged on the box body, and the inner shaft body and the outer shaft body are arranged on the door body. When the door body is in a closed state, the distance from the axis center of the inner shaft body to the first reference plane is between 0.21t and 0.23t, and the distance to the second reference plane is between 0.17t and 0.19t. The distance from the outer shaft body to the first reference plane is between 0.55t and 0.57t, and the distance to the second reference plane is between 0.22t and 0.24t. When the door body is at a first opening angle, the distance from the axis center of the inner shaft body to the first reference plane is between 0.27t and 0.29t, and the distance to the second reference plane is between 0.52t and 0.54t. The distance from the outer shaft body to the first reference plane is between 0.59t and 0.61t, and the distance to the second reference plane is between 0.40t and 0.42t.

14. The box assembly according to claim 10, characterized in that: The inner tank body and the outer tank body are arranged on the box body, and the inner shaft body and the outer shaft body are arranged on the door body. When the door body is opened from the closed state to the first opening angle, the ratio of the motion trajectory length of the inner shaft body relative to the inner tank body to the motion trajectory length of the outer shaft body relative to the outer tank body is between 1.8 and 2.

0.

15. The box assembly according to claim 1, characterized in that: The hinge assembly includes a groove body arranged on the door body and an axis body arranged on the box body, the groove body cooperates with the axis body to form the second hinge point at the axis center of the axis body, and the hinge assembly further includes a connecting rod, one end of the connecting rod is hinged to the door body to form the first hinge point, and the other end of the connecting rod is hinged to the box body.

16. The box assembly according to claim 15, characterized in that: The first initial angle is between +36 degrees and +26 degrees, the first termination angle is between -5 degrees and +5 degrees, and the second included angle is between +78 degrees and +64 degrees.

17. The box assembly according to claim 16, characterized in that: During the process of the door body opening from the first opening angle to the second opening angle, the first angle is further reduced, and the second angle is gradually increased from a second initial angle represented by the positive number form and less than 90 degrees to a second terminal angle.

18. The box assembly according to claim 17, characterized in that: The first angle is further reduced to between -9 degrees and -19 degrees, the second initial angle is between +64 degrees and +74 degrees, and the second termination angle is between +108 degrees and +118 degrees.

19. The box assembly according to claim 1, characterized in that: The first opening angle is between 25 degrees and 31 degrees.

20. A refrigeration device, characterized in that: The refrigeration equipment comprises the cabinet assembly according to any one of claims 1-19.

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