Case

Abstract

The utility model provides a case, which comprises a case body, a support frame and a roller structure, and is characterized in that the support frame is arranged on the case body and is provided with support legs; the roller structure is arranged at the position, close to the supporting legs, of the box body and comprises a first roller and / or a second roller; the first roller is used for being in contact with a target plane and rolling on the target plane when the box body is switched from the first posture to the second posture; the second roller is used for making contact with a target plane and rolling on the target plane in the process that the box body is switched from the first state to the second state.

Description

Technical Field

[0001] The present application relates to the technical field of electronic equipment, and in particular to a chassis. Background Art

[0002] The bottom of the computer mainframe is provided with plastic support feet, which have great friction with the desktop and the ground, so that the mainframe can be stably placed on the desktop and the ground without sliding.

[0003] However, when the mainframe case needs to be moved, due to the large friction between the plastic support feet and the desktop and the ground, the mainframe case needs to be lifted up before being moved, which makes the movement laborious and inconvenient. Utility Model Content

[0004] The present application provides a chassis, and the technical solution is as follows:

[0005] To solve the above technical problems, an embodiment of the present application provides a chassis, which includes: a box body, a support frame and a roller structure, wherein the support frame is arranged on the box body and has supporting feet; the roller structure is arranged on the box body at a position adjacent to the supporting feet, and the roller structure includes: a first roller and / or a second roller; the first roller is used to contact with a target plane and roll on the target plane when the box body switches from a first posture to a second posture; the second roller is used to contact with a target plane and roll on the target plane when the box body switches from a first state to a second state.

[0006] In some embodiments, before and after the box body switches between the first posture and the second posture, the relative positions of the first roller, the supporting leg and the supporting frame remain unchanged.

[0007] In some embodiments, in the first posture, the supporting foot is in contact with the target plane, and there is a height difference between the first roller and the supporting foot.

[0008] In some embodiments, one side of the support frame is respectively connected to the first roller and the support foot, and an inclined surface is provided on the end of the support frame corresponding to the first roller away from the support foot, so that in the second posture, the inclined surface does not contact the target plane.

[0009] In some embodiments, a accommodating space is provided on one side of the support frame; the support frame further includes: a connecting rod, the connecting rod is provided in the accommodating space, both ends of the connecting rod are respectively connected to the support frame, and the first roller is rotatably sleeved on the connecting rod and partially located in the accommodating space.

[0010] In some embodiments, the outer surface of the box body is recessed with a snap-in recess; the support frame is provided with a first hook and a second hook on the side away from the first roller and the support foot, the first hook is provided with a first hooking portion on the side away from the second hook, and the second hook is provided with a second hooking portion on the side away from the first hook, and the first hook and the second hook are snap-connected in the snap-in recess via the first hooking portion and the second hooking portion.

[0011] In some embodiments, when the box is switched from the first state to the second state, the second roller moves relative to the support foot to protrude from the support foot and contact the target plane.

[0012] In some embodiments, the chassis may also include: a connecting member and a sliding structure, one end of the connecting member is connected to the box body, and the other end is rotatably connected to the second roller; the sliding structure is slidably connected to the box body; in the process of switching from the first state to the second state, at least part of the sliding structure slides between the other end of the connecting member and the box body to push the other end of the connecting member with the second roller protruding out of the supporting foot.

[0013] In some embodiments, the support frame is passed through the box body, and the support frame is provided with a through hole connecting the inside and outside of the box body, and the support foot is arranged around the side of the through hole corresponding to the outside of the box body; the connecting member and the sliding structure are arranged in the box body, and the second roller is opposite to the through hole; the chassis also includes: a handle, which is at least partially arranged outside the box body and rotatably connected to the box body, and the handle is connected to the sliding structure to drive the sliding structure to slide when the handle is rotated, so that the second roller extends from the through hole and protrudes the support foot; when the handle is rotated, it triggers the box body to switch from the first state to the second state.

[0014] In some embodiments, the chassis may further include: a reset member, which is respectively connected to the sliding structure and the housing and can provide a force to the sliding structure that is opposite to the sliding direction of the sliding structure.

[0015] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present application in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 A schematic diagram of the structure of a chassis (provided with a first roller) provided in an embodiment of the present application;

[0018] Figure 2 A schematic diagram of a partial structure of a chassis (provided with a first roller) provided in an embodiment of the present application;

[0019] Figure 3 A schematic diagram of a partial exploded structure of a chassis (with a first roller) provided in an embodiment of the present application Figure 1 ;

[0020] Figure 4 A schematic diagram of a partial exploded structure of a chassis (with a first roller) provided in an embodiment of the present application Figure 2 ;

[0021] Figure 5 A schematic diagram of a partial structure of a chassis (with a second roller) provided in an embodiment of the present application Figure 1 ;

[0022] Figure 6 A schematic diagram of a partial structure of a chassis (with a second roller) provided in an embodiment of the present application Figure 2 ;

[0023] Figure 7 A schematic diagram of a partial structure of a chassis (with a second roller) provided in an embodiment of the present application Figure 3 ;

[0024] Figure 8 A schematic diagram of a partial structure of a chassis (with a second roller) provided in an embodiment of the present application Figure 4 ;

[0025] Fig. 9 A schematic diagram of a partial structure of a chassis (with a second roller) provided in an embodiment of the present application Figure 5 ;

[0026] Fig.10 A schematic diagram of a partial structure of a chassis (with a second roller) provided in an embodiment of the present application Figure 6 ;

[0027] Fig.11 A partial cross-sectional schematic diagram of a chassis (provided with a second roller) provided in an embodiment of the present application;

[0028] Fig.12 A schematic structural diagram of a connecting member and a second roller of a chassis (provided with a second roller) provided in an embodiment of the present application;

[0029] Fig.13 A schematic diagram of a partial structure of a chassis (with a second roller) provided in an embodiment of the present application Figure 7 .

[0030] Description of reference numerals:

[0031] 100, chassis; 10, housing; 11, snap-fitting recess; 111, first snap-fitting recess; 112, second snap-fitting recess; 12, limiting recess; 13, first bottom plate; 131, guide hole; 14, second bottom plate; 20, support frame; 21, support foot; 22, inclined surface; 23, accommodating space; 24, connecting rod; 25, first hook; 251, first hooking part; 26, second hook; 261, second hooking part; 27, limiting protrusion; 28, through hole; 31, first roller; 32, second roller; 40, connecting member; 50, sliding structure; 51, slide plate; 52, guide column; 60, handle; 70, reset member. DETAILED DESCRIPTION

[0032] The following is a further detailed description of the implementation methods of the present application in conjunction with the accompanying drawings and examples. The detailed descriptions of the following examples and the accompanying drawings are used to exemplarily illustrate the principles of the present application, but cannot be used to limit the scope of the present application. The present application can be implemented in many different forms and is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

[0033] The present application provides these embodiments to make the present application thorough and complete, and to fully express the scope of the present application to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the parts and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary, and not as limiting.

[0034] It should be noted that, in the description of this application, unless otherwise specified, the meaning of "multiple" is greater than or equal to two; the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicating the orientation or positional relationship, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0035] In addition, the words "first", "second" and similar words used in this application do not indicate any order, quantity or importance, but are only used to distinguish different parts. "Vertical" does not mean vertical in the strict sense, but is within the tolerance range. "Parallel" does not mean parallel in the strict sense, but is within the tolerance range. "Include" or "comprising" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements.

[0036] It should also be noted that in the description of this application, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances. When a specific device is described as being located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device.

[0037] All terms used in this application have the same meaning as those understood by those of ordinary skill in the art to which this application belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries, such as general dictionaries, should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined herein.

[0038] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0039] The present application embodiment provides a chassis 100, see Figures 1 to 13 As shown, the chassis 100 includes: a box body 10, a support frame 20 and a roller structure, the support frame 20 is arranged on the box body 10 and has a support foot 21; the roller structure is arranged on the box body 10 at a position adjacent to the support foot 21, and the roller structure includes: a first roller 31 and / or a second roller 32; the first roller 31 is used to contact with a target plane and roll on the target plane when the box body 10 switches from a first posture to a second posture; the second roller 32 is used to contact with a target plane and roll on the target plane when the box body 10 switches from a first state to a second state.

[0040] Specifically, the housing 10 may be a housing structure of a computer, a housing structure of a server, or a housing structure of other equipment, and electronic / non-electronic components such as data processing components, heat dissipation components, and storage components may be disposed inside the housing 10. The following description will be made by taking the housing structure of a computer as an example.

[0041] The support frame 20 can be completely arranged on the outside of the box 10, or partially arranged on the inside of the box 10 and partially arranged on the outside of the box 10. The support frame 20 located on the outside of the box 10 can support the box 10 at a certain height on the target plane; and the number of the support frames 20 can be multiple, and they are evenly distributed at the bottom of the box 10 to stably support the box 10 on the target plane. The support feet 21 are connected to the support frame 20 and are located on the outside of the box 10. When the support frame 20 supports the box 10 at a certain height on the target plane, the support feet 21 can contact the target plane to increase the friction between the chassis 100 and the target plane, thereby reducing the probability of the chassis 100 placed on the target plane sliding relative to the target plane and causing collision damage.

[0042] The first roller 31 is used to contact the target plane and roll on the target plane when the box 10 switches from the first posture to the second posture, that is, when the box 10 is in the first posture, the first roller 31 contacts the target plane or does not contact the target plane and cannot roll on the target plane, and when the box 10 switches from the first posture to the second posture, the first roller 31 contacts the target plane to be able to roll on the target plane; wherein, the posture of the box 10 may be the placement angle of the box 10 relative to the target plane, and in order to adjust the posture of the box 10, a recess, a handle and other structures may be provided on the outside of the box 10, so that the user's hand can partially extend into the recess and grasp the box 10 to change the posture of the box 10, or the user's hand can grasp the handle to change the posture of the box 10.

[0043] The second roller 32 is used to contact the target plane and roll on the target plane when the box 10 switches from the first state to the second state. That is, when the box 10 is in the first state, the second roller 32 may not contact the target plane so as to be unable to roll on the target plane, and when the box 10 switches from the first state to the second state, the second roller 32 starts to contact the target plane so as to be able to roll on the target plane.

[0044] In one example, see 1 to Figure 4As shown, the case 100 includes: a case 10, a support frame 20 and a first roller 31; four support frames 20 are respectively arranged at the four corners of the outer surface of the bottom of the case 10, and each support frame 20 is provided with a support foot 21 and a first roller 31 in parallel on the surface facing away from the case 10. When the case 10 is in the first posture (upright), the four support feet 21 on the four support frames 20 are in contact with the target plane, and there is space between the four first rollers 31 on the four support frames 20 and the target plane, so that the first roller 31 cannot roll on the target plane; when the case 10 is in the second posture (oblique), the four first rollers 31 are in contact with the target plane but the four support feet 21 leave the target plane, so that the first roller 31 can roll on the target plane by pushing and pulling the case 10.

[0045] In one example, see Figures 5 to 13 As shown, the chassis 100 includes a box body 10, a support frame 20 and a second roller 32; the four support frames 20 are respectively correspondingly arranged at the four corners of the bottom of the box body 10, and are respectively provided with through holes 28 connecting the inside and outside of the box body 10, and each through hole 28 is corresponding to the opening on the outside of the box body 10 and is surrounded by a support foot 21; the four second rollers 32 are arranged in the box body 10 and are respectively opposite to the through holes 28 on the four support frames 20; when the box body 10 is in the first state, the four support feet 21 are all in contact with the target plane, and the four second rollers 32 are located in the box body 10 so as not to be able to contact the target plane; when the box body 10 is switched from the first state to the second state During the state, the second roller 32 moves toward the opening of the supporting foot 21 away from the box body 10 and protrudes from the supporting foot 21. The protruding second roller 32 contacts the target plane so as to be able to roll on the target plane. At the same time, the second roller 32 continues to move in the direction away from the supporting foot 21, so that the distance between the surface of the supporting foot 21 away from the box body 10 and the target plane is greater than a certain distance. In this process, the movement of the second roller 32 on the target plane is not affected. At the same time, the distance between the supporting foot 21 and the target plane is increased to reduce the friction between the supporting foot 21 and the target plane and the impact on the rolling of the second roller 32 on the target plane.

[0046] In this embodiment, the chassis 100 includes: a chassis 10, a support frame 20 and a roller structure. The support feet 21 of the support frame 20 and the roller structure are arranged at the lower end of the chassis 10. The support feet 21 can contact the target plane to increase the friction between the stationary chassis 100 and the target plane, so that the chassis 100 can be stabilized on the target plane and does not slide relative to the target plane and cause collision damage; when the posture of the chassis 100 changes, the first roller 31 can contact the target plane to roll on the target plane, and when the state of the chassis 100 changes, the second roller 32 can contact the target plane to roll on the target plane. In this way, under the change of both the posture and the state, the user can select the first roller 31 or the second roller 32 in the roller structure to conveniently move the chassis 100, and the process of moving the chassis 100 under the rolling of the first roller 31 / the second roller 32 is labor-saving and time-saving.

[0047] In some embodiments, see Figure 2 and Figure 4 As shown, before and after the box 10 switches between the first posture and the second posture, the relative positions of the first roller 31, the supporting leg 21 and the supporting frame 20 remain unchanged. That is to say, the first roller 31, the supporting leg 21 and the supporting leg 21 are relatively fixed, and when the box 10 is in the first posture, the supporting leg 21 is in contact with the target plane while the first roller 31 is not in contact with the target plane, and when the box 10 is in the second posture, the first roller 31 is in contact with the target plane while the supporting leg 21 is not in contact with the target plane. Here, by keeping the relative positions of the first roller 31, the supporting leg 21 and the supporting frame 20 unchanged before and after the box 10 switches between the first posture and the second posture, the first roller 31, the supporting leg 21 and the supporting frame 20 can be connected to each other in a fixed connection manner to enhance the structural strength of the three after being connected, thereby extending the service life of the combined structure of the three.

[0048] In one example, see Figures 2 to 4 As shown in the figure, the support leg 21 and the support frame 20 are connected by two-color injection molding, and the first roller 31 is rotatably mounted on the connecting rod 24 fixed on the support frame 20. In this way, the tightness of the connection between the support frame 20 and the support leg 21 and the structural strength of the first roller 31, the support leg 21 and the support frame 20 after being connected can be ensured.

[0049] In some embodiments, see Figure 2 and Figure 4As shown, in the first posture, the support foot 21 contacts the target plane, and the first roller 31 and the support foot 21 have a height difference. In other words, in the first posture, the support foot 21 contacts the target plane, and there is a height difference between the first roller 31 and the support foot 21 so that there is a space between the first roller 31 and the target plane, so that it cannot contact the target plane; when switching from the first posture to the second posture, the chassis 100 can be tilted so that the first roller 31 after tilting (i.e., in the second posture) contacts the target plane, and the support foot 21 is lifted and separated from the target plane. In this embodiment, by setting the height difference between the first roller 31 and the support foot 21, in the first posture, the support foot 21 contacts the target plane and the first roller 31 does not contact the target plane, and in the second posture, the first roller 31 contacts the target plane and the support foot 21 does not contact the target plane, so that the structural setting for moving the chassis 100 by posture adjustment is simple and easy to manufacture.

[0050] In some embodiments, see Figures 2 to 4 As shown, one side of the support frame 20 is connected to the first roller 31 and the support foot 21, respectively, and the support frame 20 is provided with an inclined surface 22 at one end of the first roller 31 away from the support foot 21, so that in the second posture, the inclined surface 22 does not contact the target plane. In other words, in the process of switching from the first posture to the second posture, as the chassis 100 tilts, the distance between the first roller 31 and the target plane becomes shorter and shorter, and the distance between the inclined surface 22 and the target plane becomes shorter and shorter, and at the same time, the distance between the inclined surface 22 and the target plane is greater than the distance between the first roller 31 and the target plane, so as not to affect the process of the distance between the first roller 31 and the target plane becoming shorter and shorter and not to interfere with the rolling of the first roller 31 on the target plane in the second posture.

[0051] In some embodiments, see Figures 2 to 4 As shown, a receiving space 23 is provided on one side of the support frame 20; the support frame 20 further includes: a connecting rod 24, the connecting rod 24 is provided in the receiving space 23, both ends of the connecting rod 24 are respectively connected to the support frame 20, and a first roller 31 is rotatably sleeved on the connecting rod 24 and partially located in the receiving space 23. In this way, the first roller 31 sleeved on the connecting rod 24 can rotate relative to the connecting rod 24, and the first roller 31 is partially located in the receiving space 23 after being sleeved on the connecting rod 24, so that part of the first roller 31 is hidden in the receiving space 23, so as to reduce the size of the first roller 31 outside the receiving space 23, thereby improving the overall visual effect of the box body 10.

[0052] Here, the connecting rod 24 may be as follows Figures 2 to 4The U-shaped rod shown in the figure, the accommodating space 23 is also U-shaped to fit the connecting rod 24, and the space between the two ends of the accommodating space 23 corresponding to the connecting rod 24 is large enough to accommodate part of the first roller 31 and there is a gap between the first roller 31. In this way, the first roller 31 connected to the connecting rod 24 has a buffering force between the inner bottom wall of the accommodating space 23 and the opening of the accommodating space 23, thereby being able to adapt to an uneven target plane. Both ends of the connecting rod 24 can pass through the support frame 20 and be fixed on the other side of the support frame 20. When the support frame 20 is connected to the box body 10, the box body 10 squeezes the two ends of the connecting rod 24 connected to the other side of the support frame 20, so that the fixing effect of the connecting rod 24 is better, thereby reducing the probability of the connecting rod 24 falling off from the support frame 20.

[0053] In some embodiments, see Figure 4 As shown, the outer surface of the box body 10 is recessed with a snap-in recess 11; the first hook 25 and the second hook 26 are provided on the side of the support frame 20 away from the first roller 31 and the support foot 21, the first hook 25 is provided with a first hooking portion 251 on the side away from the second hook 26, and the second hook 26 is provided with a second hooking portion 261 on the side away from the first hook 25, and the first hook 25 and the second hook 26 are snap-connected in the snap-in recess 11 through the first hooking portion 251 and the second hooking portion 261.

[0054] In one example, the contour of the snap-fitting recess 11 can be adapted to the side of the support frame 20 that is away from the first roller 31 and the support foot 21. During assembly, the first hook 25 and the second hook 26 are squeezed toward each other to squeeze the first hook 25 and the second hook 26 into the snap-fitting recess 11. After the extrusion, the first hook 25 and the second hook 26 return to their original positions so that the first hooking portion 251 and the second hooking portion 261 are respectively hooked into the two recesses on the opposite sides of the snap-fitting recess 11.

[0055] In one example, see Figure 4As shown, the engaging recess 11 includes: a first engaging recess 111 and a second engaging recess 112. The first engaging recess 111 is used to engage the first hook 25, and the second engaging recess 112 is used to engage the second hook 26. During assembly, the first hook 25 is squeezed into the first engaging recess 111, and the second hook 26 is squeezed into the second engaging recess 112. During the squeezing process, the first hooking portion 251 on the first hook 25 is compressed and returns to its original state after the squeezing is completed, and the second hooking portion 261 on the second hook 26 is compressed and returns to its original state after the squeezing is completed. Here, the structures of the first hooking portion 251 and the second hooking portion 261 can be symmetrically arranged with each other, or can be asymmetrically arranged with each other. Furthermore, in order to guide the assembly process, a limiting recess 12 can be recessed between the first engaging recess 111 and the second engaging recess 112, and a hollow or non-hollow limiting protrusion 27 is provided between the first hook 25 and the second hook 26. During the assembly process, the limiting protrusion 27 moves along the inner wall of the limiting recess 12, and at the same time, the first hook 25 and the second hook 26 are respectively engaged in the first engaging recess 111 and the second engaging recess 112. After the engaging is completed, when the chassis 100 is dragged to move in the target plane through the first roller 31, the limiting protrusion 27 and the limiting recess 12 cooperate to withstand part of the dragging force.

[0056] Embodiment 1:

[0057] See also Figures 1 to 4As shown, the chassis 100 includes: a box body 10, a support frame 20 and a first roller 31; the four corners of the outer surface of the bottom of the box body 10 are all recessed with a first clamping recess 111, a second clamping recess 112 and a limiting recess 12 located between the first clamping recess 111 and the second clamping recess 112; the four support frames 20 are respectively arranged at the four corners of the bottom outer surface of the box body 10, and the support frame 20 is provided with a first hook 25, a second hook 26 and a limiting protrusion 27 located between the first hook 25 and the second hook 26 on one side of the outer surface of the bottom of the box body 10, the first hook 25 is provided with a first hooking portion 251 hooked to the first clamping recess 111 on a side away from the second hook 26, and the second hook 26 is provided with a second hooking portion 261 hooked to the second clamping recess 112 on a side away from the first hook 25, and the limiting protrusion 27 is adapted to the limiting recess 12. Each support frame 20 is provided with a U-shaped accommodating space 23 and a supporting foot 21 on one side away from the bottom outer surface of the box body 10, a U-shaped connecting rod 24 is fixed in the accommodating space 23 and fixedly connected to the support frame 20, a first roller 31 is rotatably sleeved on the connecting rod 24 and partially located in the accommodating space 23, and the space between the two ends of the accommodating space 23 corresponding to the connecting rod 24 is large enough to accommodate part of the first roller 31 and there is a gap between the first roller 31. An inclined surface 22 is provided at one end of the support frame 20 corresponding to the first roller 31 away from the supporting foot 21. Among them, when the box body 10 is in the first posture (upright), the four support legs 21 on the four support frames 20 are in contact with the target plane, and there is space between the four first rollers 31 on the four support frames 20 and the target plane, so that the first rollers 31 cannot roll on the target plane; when the box body 10 is in the second posture (oblique), the four first rollers 31 are in contact with the target plane but the four support legs 21 leave the target plane, so that the first rollers 31 can roll on the target plane by pushing and pulling the box body 10. In specific implementation, in order to reduce the manufacturing cost, the combination of the support frames 20 and the first rollers 31 can be set only at two adjacent corners of the outer surface of the bottom of the box body 10.

[0058] In some embodiments, see Figures 5 to 13As shown, during the process of switching the box 10 from the first state to the second state, the second roller 32 moves relative to the support foot 21 to protrude from the support foot 21 and contact the target plane. That is to say, in the first state, the second roller 32 is recessed relative to the support foot 21 so as not to contact the target plane and thus cannot roll on the target plane; during the process of switching from the first state to the second state, the second roller 32 can move relative to the support foot 21 to gradually protrude from the support foot 21 so as to contact the target plane and roll on the target plane. In this embodiment, when the box 10 is switched from the first state to the second state, the second roller 32 is displaced relative to the box 10 to roll on the target plane. In this way, when the box 10 is in the first state, the second roller 32 can be hidden in the box 10 or in the support frame 20, so as to better protect the second roller 32.

[0059] In some embodiments, see Figures 5 to 12 As shown, the chassis 100 may also include: a connector 40 and a sliding structure 50, wherein one end of the connector 40 is connected to the housing 10, and the other end is rotatably connected to the second roller 32; the sliding structure 50 is slidably connected to the housing 10; during the process of switching from the first state to the second state, at least a portion of the sliding structure 50 slides between the other end of the connector 40 and the housing 10 to push the other end of the connector 40 with the second roller 32 to protrude from the support foot 21. That is, before the sliding structure 50 slides, the second roller 32 connected to the other end of the connector 40 is recessed relative to the support foot 21, and when the sliding structure 50 slides toward the gap between the housing 10 and the other end of the connector 40, the gap gradually increases, so that the other end of the connector 40 moves away from the housing 10 with the second roller 32, and finally protrudes from the support foot 21 to contact the target plane and roll on the target plane. Here, in order to make the sliding structure 50 slide toward the gap between the other end of the connector 40 and the housing 10 with a smaller force, the connector 40 may be as follows Fig.12 The elastic metal spring piece shown may also be other elastic structures.

[0060] In one example, see Figures 5 to 12As shown, the bottom of the box body 10 includes a first bottom plate 13 and a second bottom plate 14 which are stacked, the first bottom plate 13 corresponds to the inner side of the box body 10, the second bottom plate 14 corresponds to the outer side of the box body 10, and the first bottom plate 13 is provided with a guide hole 131; the support frame 20 is penetrated on the second bottom plate 14, and the support frame 20 is provided with a through hole 28 which connects the space between the first bottom plate 13 and the second bottom plate 14 and the external space of the box body 10; the connecting member 40 is arranged between the first bottom plate 13 and the second bottom plate 14, one end of which is connected to the first bottom plate 13, and the other end of which is connected to the second roller 32, and the second roller 32 is opposite to the through hole 28; the sliding structure 50 includes: a slide plate 51 and a guide column 52, the slide plate 51 is arranged between the first bottom plate 13 and the second bottom plate 14, and one end of the slide plate 51 is opposite to the opening between the first bottom plate 13 and the other end of the connecting member 40, and the guide column 52 is connected to the slide plate 51 and extends into the guide hole 131. During the process of the slide plate 51 sliding between the first base plate 13 and the other end of the connecting member 40, the guide column 52 slides along the guide hole 131, and as the slide plate 51 slides, the gap between the first base plate 13 and the connecting member 40 increases so that the other end of the connecting member 40 pushes the second roller 32 out of the through hole 28 and protrudes from the supporting foot 21; then, during the process of the slide plate 51 sliding in the direction away from the first base plate 13 and the other end of the connecting member 40, the guide column 52 still slides along the guide hole 131 to ensure that the sliding of the slide plate 51 is carried out according to the preset path, and as the slide plate 51 slides, the gap between the first base plate 13 and the connecting member 40 decreases so that the other end of the connecting member 40 returns to its original position with the second roller 32 to be recessed in the supporting foot 21. Here, the end of the slide plate 51 away from the connecting member 40 can be extended from the side of the box body 10, so that the user can apply a sliding force to the slide plate 51 through the extended part to achieve the purpose of the second roller 32 protruding from the supporting foot 21; and after the movement of the chassis 100 is completed, the return force can be applied to the slide plate 51 again through the extended part to achieve the return of the sliding structure 50 and the return of the second roller 32 without protruding from the supporting foot 21.

[0061] Furthermore, the other end of the connecting member 40 may have a guiding slope, and the distance between the guiding slope and the first base plate 13 tends to gradually increase in the extension direction from one end of the connecting member 40 to the other end of the connecting member 40, so that the sliding plate 51 can slide along the guiding slope during the process of sliding between the first base plate 13 and the other end of the connecting member 40, thereby making the sliding process smoother.

[0062] In some embodiments, see Figures 5 to 12As shown, the support frame 20 is penetrated by the box body 10, and the support frame 20 is provided with a through hole 28 connecting the inside and outside of the box body 10, and the support foot 21 is arranged around the circumference of the through hole 28 corresponding to the outside of the box body 10; the connecting member 40 and the sliding structure 50 are arranged in the box body 10, and the second roller 32 is opposite to the through hole 28; the chassis 100 also includes: a handle 60, which is at least partially arranged outside the box body 10 and is rotatably connected to the box body 10, and the handle 60 is connected to the sliding structure 50, so as to drive the sliding structure 50 to slide when the handle 60 is rotated, so that the second roller 32 extends from the through hole 28 and protrudes the support foot 21; when the handle 60 is rotated, it triggers the box body 10 to switch from the first state to the second state. In this way, the user can rotate the handle 60 in the forward direction from the outside of the box body 10, so that the forward rotational force of the handle 60 is transmitted to the sliding structure 50 and drives the sliding structure 50 to slide in the direction of the connecting member 40, so as to push the other end of the connecting member 40 with the second roller 32 to protrude from the supporting foot 21; and the user can rotate the handle 60 in the reverse direction from the outside of the box body 10, so that the reverse rotational force of the handle 60 is transmitted to the sliding structure 50 and drives the sliding structure 50 to slide in the direction away from the connecting member 40, so as to realize the return of the sliding structure 50 and the return of the second roller 32 without protruding from the supporting foot 21.

[0063] In some embodiments, see Figures 5 to 8 and Fig.10 As shown, the chassis 100 may also include: a reset member 70, which is respectively connected to the sliding structure 50 and the case 10, and can provide a force to the sliding structure 50 that is opposite to the sliding direction of the sliding structure 50. That is to say, after the chassis 100 finishes moving, a small force can be applied to the sliding structure 50, so that the reset member 70 cooperates with the small force to drive the sliding structure 50 back to its original position and the second roller 32 to return to its original position without protruding from the support foot 21, so that the return of the sliding structure 50 and the return of the second roller 32 are more labor-saving and faster. Here, the sliding direction of the sliding structure 50 is the direction in which the sliding structure 50 slides toward a position close to the connecting member 40; and the reset member 70 can be a metal spring, a metal tension spring, a rubber elastic member, or other elastic structures.

[0064] Embodiment 2:

[0065] See also Figures 5 to 13As shown, the chassis 100 includes: a box body 10, a support frame 20, a second roller 32, a connecting member 40, a sliding structure 50, a handle 60 and a reset member 70; the bottom of the box body 10 includes: a first bottom plate 13 and a second bottom plate 14 arranged in a stacked manner, the first bottom plate 13 corresponds to the inner side of the box body 10, the second bottom plate 14 corresponds to the outer side of the box body 10, and the first bottom plate 13 is provided with a guide hole 131; the support frame 20 is penetrated on the second bottom plate 14, and the support frame 20 is provided with a through hole 28 connecting the space between the first bottom plate 13 and the second bottom plate 14 and the external space of the box body 10 The supporting foot 21 is arranged around the through hole 28 on the outside of the second bottom plate 14; the connecting member 40 is arranged between the first bottom plate 13 and the second bottom plate 14, one end of which is connected to the first bottom plate 13, and the other end is connected to the second roller 32, and the second roller 32 is opposite to the through hole 28; the sliding structure 50 includes: a slide plate 51 and a guide column 52, the slide plate 51 is arranged between the first bottom plate 13 and the second bottom plate 14, and one end of the slide plate 51 is opposite to the opening between the first bottom plate 13 and the other end of the connecting member 40, and the guide column 52 is connected to the slide plate 51 and extends into the guide hole 131. The handle 60 forms part of the side wall of the box body 10 and is rotatably connected to the box body 10, and the handle 60 is connected to the sliding structure 50, so that when the handle 60 is rotated in the forward direction, the slide plate 51 is pushed to slide partially between the other end of the connecting member 40 and the first bottom plate 13, so that the second roller 32 extends from the through hole 28 and protrudes from the support foot 21; then, after the sliding of the chassis 100 is completed, the handle 60 is rotated in the reverse direction to pull the slide plate 51 to reset, and the reset member 70 provides a reset force to the slide plate 51, so as to realize the return of the sliding structure 50 and the return of the second roller 32 without protruding from the support foot 21. In the first state, the second roller 32 is recessed in the box body 10 so as not to roll on the target plane; in the process of switching from the first state to the second state, the handle 60 drives the slide plate 51 to slide so that the second roller 32 protrudes from the support foot 21 and can roll on the target plane.

[0066] Embodiment 3:

[0067] The chassis 100 includes: a box body 10, a support frame 20 and a roller structure. The four corners at the bottom of the box body 10 are provided with a setting combination of the support frame 20 and the first roller 31 in Example 1, and a setting combination of the support frame 20 and the second roller 32 in Example 2. When used, the corresponding roller can be selected according to the change of posture and state to move the chassis 100.

[0068] So far, various embodiments of the present application have been described in detail. In order to avoid obscuring the concept of the present application, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed herein.

[0069] Although some specific embodiments of the present application have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present application. It should be understood by those skilled in the art that the above embodiments may be modified or some technical features may be replaced by equivalents without departing from the scope and spirit of the present application. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there is no structural conflict.

Claims

1. A chassis, It is characterized in that include: Box; A support frame, arranged on the box body and having support feet; A roller structure is arranged on the box body at a position adjacent to the supporting foot, and the roller structure includes: a first roller and / or a second roller; The first roller is used to contact with the target plane and roll on the target plane when the box body switches from the first posture to the second posture; The second roller is used for contacting with a target plane and rolling on the target plane when the box is switched from a first state to a second state.

2. The chassis according to claim 1, It is characterized in that Before and after the box body switches between the first posture and the second posture, the relative positions of the first roller, the supporting legs and the supporting frame remain unchanged.

3. The chassis according to claim 1, It is characterized in that In the first posture, the supporting foot is in contact with the target plane, and there is a height difference between the first roller and the supporting foot.

4. The chassis according to claim 3, It is characterized in that One side of the support frame is respectively connected to the first roller and the support foot, and an inclined surface is provided on the end of the support frame corresponding to the first roller away from the support foot, so that the inclined surface does not contact the target plane in the second posture.

5. The chassis according to claim 4, It is characterized in that A receiving space is provided on one side of the support frame; The support frame further includes: a connecting rod, the connecting rod is arranged in the accommodating space, two ends of the connecting rod are respectively connected to the support frame, and the first roller is rotatably sleeved on the connecting rod and partially located in the accommodating space.

6. The chassis according to claim 4, It is characterized in that The outer surface of the box body is recessed with a snap-fitting recess; The support frame is provided with a first hook and a second hook on the side away from the first roller and the support foot, the first hook is provided with a first engaging portion on the side away from the second hook, the second hook is provided with a second engaging portion on the side away from the first hook, and the first hook and the second hook are engaged in the engaging recess via the first engaging portion and the second engaging portion.

7. The chassis according to claim 1, It is characterized in that During the process of the box body switching from the first state to the second state, the second roller moves relative to the supporting foot to protrude from the supporting foot and contact the target plane.

8. The chassis according to claim 7, It is characterized in that Also includes: A connecting member, one end of which is connected to the box body, and the other end of which is rotatably connected to the second roller; A sliding structure, slidably connected to the box; During the process of switching from the first state to the second state, at least a portion of the sliding structure slides between the other end of the connecting member and the box body to push the other end of the connecting member with the second roller to protrude from the supporting foot.

9. The chassis according to claim 8, It is characterized in that The support frame is arranged through the box body, and a through hole is opened on the support frame to communicate with the inside and outside of the box body, and the support legs are arranged around the side of the through hole corresponding to the outside of the box body; The connecting member and the sliding structure are arranged in the box body, and the second roller is opposite to the through hole; The chassis also includes: a handle, which is at least partially arranged outside the box body and is rotatably connected to the box body, and the handle is connected to the sliding structure to drive the sliding structure to slide when the handle is rotated, so that the second roller extends from the through hole and protrudes from the supporting foot; when the handle is rotated, it triggers the box body to switch from the first state to the second state.

10. The chassis according to claim 8, It is characterized in that Also includes: A reset member is connected to the sliding structure and the box body respectively, and can provide a force opposite to the sliding direction of the sliding structure to the sliding structure.

Images