Electronic equipment

Abstract

The invention discloses an electronic device which comprises a first body, a second body, a display screen and a guide assembly, the first body is rotatably connected with the second body, the display screen is connected with the first body and the second body, and the display screen moves relative to the second body so that the display area, located in the first body, of the display screen can be changed. The guide assembly is arranged at the joint of the first body and the second body, covers the gap between the display screen and the second body and is used for being attached to the display screen to be driven in the preset direction based on the change of the display area and providing safe acting force.

Description

Technical Field

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

[0002] With the continuous development of electronic consumer products, various electronic devices emerge in an endless stream. There is an electronic device on the market that can adjust the size of the display area exposed by the display screen. The display screen moves relative to the housing so that a part of the display screen is hidden inside the housing, thereby changing the size of the display area exposed by the display screen. At present, there are the following problems in the use of such electronic devices: during the movement of the display screen, foreign objects may be brought into the gap between the display screen and the housing with the movement of the display screen, thereby causing the display screen to be subjected to a force exceeding the safety value, causing damage to the display screen. Summary of the invention

[0003] This application provides the following technical solutions:

[0004] An electronic device, comprising:

[0005] first ontology;

[0006] a second body, the second body being rotatably connected to the first body;

[0007] A display screen, the display screen is connected to the first body and the second body, and the display area of ​​the display screen in the first body changes based on the movement of the display screen relative to the second body;

[0008] A guide component is arranged at the connection between the first body and the second body and covers the gap between the display screen and the second body. The guide component is used to fit the display screen and drive it along a preset direction based on the change of the display area and provide a safety force.

[0009] Optionally, in the above electronic device, the first body has a first sub-body and a second sub-body which are slidably connected;

[0010] The first sub-body is fixedly connected to the display screen, and the display screen at least partially covers the first sub-body and the second sub-body;

[0011] The second sub-body is rotatably connected to the second main body, and the first sub-body moves relative to the second sub-body to change the display area of ​​the first main body where the display screen is located.

[0012] Optionally, in the above electronic device, during the movement of the first sub-body relative to the second sub-body along the first direction, the guide component is driven along the first direction based on the change of the display area and provides a first safety force;

[0013] During the movement of the first sub-body relative to the second sub-body along the second direction, the guide assembly drives along the second direction based on the change of the display area and provides a second safety force;

[0014] The first direction is opposite to the second direction.

[0015] Optionally, in the above electronic device, during the movement of the first sub-body relative to the second sub-body along the first direction, the guide component is driven along the second direction based on the change of the display area and provides a third safety force;

[0016] During the movement of the first sub-body relative to the second sub-body along the second direction, the guide assembly is driven along the first direction based on the change of the display area and provides a fourth safety force;

[0017] The first direction is opposite to the second direction.

[0018] Optionally, in the above electronic device, the first body has a display surface, and the display area of ​​the display screen is arranged on the display surface;

[0019] The second body has an input surface, the shielding area of ​​the display screen is located in the second body, and the projection of the input surface along a direction perpendicular to the input surface at least partially covers the shielding area of ​​the display screen;

[0020] The shielding area and the display area are located on the same side of the display screen, and the guide component is attached to the boundary between the shielding area and the display area of ​​the display screen without affecting the display content of the display area.

[0021] Optionally, in the above electronic device, the guide component includes:

[0022] A first guide roller, the first guide roller comprising a first rotating shaft and a first flexible body extending from the first rotating shaft to the display screen, the first flexible body being deformable under the safety force to accommodate foreign matter;

[0023] A first driving device is connected to the first guide roller in a transmission manner, and is used to drive the first guide roller to rotate around its own central axis in a rolling direction, and the rolling direction is opposite to or the same as the direction in which the foreign matter enters the interior of the second body through the gap between the first guide roller and the display screen.

[0024] Optionally, the electronic device includes:

[0025] A second driving device, used for driving the first body to change the display area of ​​the first body where the display screen is located;

[0026] a controller, electrically connected to the second driving device, and configured to control the action of the second driving device;

[0027] A sensor, electrically connected to the controller, for detecting position information of the first guide roller of the guide assembly;

[0028] Wherein, the first guide roller is movably arranged on the electronic device through an elastic supporting structure, and when the first guide roller moves away from the display screen and reaches a target position, the controller controls the second drive device to perform the following actions based on the first position information corresponding to the target position detected by the sensor: the second drive device stops moving to stop the display area of ​​the display screen from changing; or the second drive device moves in the opposite direction to change the display area of ​​the display screen in the direction of enlarging the area.

[0029] Optionally, the electronic device includes:

[0030] A second guide roller is arranged near the first guide roller, the second guide roller includes a second rotating shaft and a second flexible body extending from the second guide roller toward the display screen, the second flexible body includes a first part rolled up on the second rotating shaft and a second part formed by unrolling the first part, the second part is in contact with a shielding area outside the display area of ​​the display screen.

[0031] Optionally, in the above electronic device, the first flexible body is composed of a first layer and a second layer stacked together, the second layer is used to abut against the display screen, the first layer is made of a first material, the second layer is made of a second material, and the elastic coefficient of the second material is smaller than the elastic coefficient of the first material;

[0032] Alternatively, the first flexible body is composed of a first layer, a middle layer and a second layer that are stacked together, the second layer is used to abut against the display screen, the first layer is made of a first material, the second layer is made of a second material, and the middle layer is made of a third material, and among the first material, the second material and the three materials, the third material has the greatest stiffness.

[0033] Optionally, the electronic device further includes:

[0034] a dust removal device, wherein a portion of the dust removal device is in contact with an outer surface of the second guide roller; and / or,

[0035] The auxiliary roller is located inside the second body, and one end of the second flexible body away from the first part is wound around the auxiliary roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] 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 embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0037] Figure 1 It is a schematic diagram of a display screen of an electronic device being damaged by foreign matter;

[0038] Figure 2 is a schematic diagram of the structure of an electronic device provided in an embodiment of the present application;

[0039] Figure 3 It is a schematic diagram of an electronic device capable of changing the display area of ​​a display screen in a first body provided by an embodiment of the present application;

[0040] Figure 4 is a schematic diagram of another electronic device capable of changing the display area of ​​the display screen in the first body provided by an embodiment of the present application;

[0041] Figure 5 yes Figure 2 A schematic diagram of a structural form of a guide component in;

[0042] Figure 6 yes Figure 5 A partial enlarged schematic diagram of

[0043] Figure 7 yes Figure 5 A schematic diagram of another form of the elastic support structure;

[0044] Figure 8 yes Figure 5 A schematic diagram of a structural form of the first guide roller;

[0045] Fig. 9 yes Figure 5 A schematic diagram of another structural form of the first guide roller;

[0046] Fig.10 yes Figure 2 A schematic diagram of another structural form of the guide assembly in FIG.

[0047] Fig.11 is a schematic diagram of an auxiliary scroll wheel disposed in a second body of an electronic device;

[0048] Fig.12 yes Fig.10 A schematic diagram of another structural form of the dust removal device;

[0049] Fig.13 yes Figure 2 A schematic diagram of another structural form of the guide component in FIG.

[0050] The markings in the figure are:

[0051] 01. Casing; 02. Display screen; 03. Foreign matter;

[0052] 100, first body; 101, display surface; 102, connection surface; 103, appearance surface; 110, first sub-body; 120, second sub-body;

[0053] 200, second body; 201, input surface;

[0054] 300, display screen; 310, display area; 320, shielding area;

[0055] 400, guide assembly;

[0056] 410, first guide roller; 411, first rotating shaft; 412, first flexible body; 4121, first layer; 4122, second layer; 4123, middle layer;

[0057] 420, second guide roller; 421, second rotating shaft; 422, second flexible body; 4221, first part; 4222, second part;

[0058] 500, elastic support structure; 510, support member; 520, elastic member;

[0059] 600, stop structure; 700, dust removal device; 800, auxiliary roller;

[0060] S1, first direction; S2, second direction; A, connection; B, gap; C, hinge point. DETAILED DESCRIPTION

[0061] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0062] In the description of the present application, the description with reference to the terms "one embodiment", "some embodiments", "example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0063] In the description of this specification, relational terms such as first and second, etc. are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0064] like Figure 1 As shown, in a traditional electronic device, when the display screen 02 moves relative to the housing 01 to change the size of the display area exposed by the display screen 02, foreign matter 03 can easily enter the gap between the display screen 02 and the housing 01, and the foreign matter 03 can get stuck between the display screen 02 and the housing 01, causing the display screen 02 to be subjected to a force exceeding the safety value, resulting in damage to the display screen 02. Damage to the display screen 02 will affect the normal use of the electronic device, so the above situation is not expected and should be avoided as much as possible. It should be noted that the safety value of the force refers to the maximum force value that the display screen can withstand without causing damage to the display screen, that is, when the force applied to the display screen is not greater than the safety value, the force does not cause damage to the display screen, and the force in this case can be called a safety force.

[0065] See also Figure 2~Figure 13, the embodiment of the present application provides an electronic device, including a first body 100, a second body 200, a display screen 300 and a guide assembly 400, wherein the first body 100 is rotatably connected to the second body 200, the display screen 300 is connected to the first body 100 and the second body 200, and the display screen 300 is moved relative to the second body 200 so that the display screen 300 is in a display area 310 of the first body 100. The guide assembly 400 is arranged at the connection A of the first body 100 and the second body 200 and covers the gap B between the display screen 300 and the second body 200. The guide assembly 400 is used to fit the display screen 300 and drive it along a preset direction based on the change of the display area 310 and provide a safety force. The electronic device can be a laptop computer, a folding mobile phone, a folding tablet computer and other types. The first body 100 and the second body 200 are two parts of the electronic device that are rotatably connected, that is, the first body 100 and the second body 200 can be relatively rotatably opened and closed. Taking the electronic device as a laptop computer as an example, the first body 100 can be the display part of the laptop computer, and the second body 200 can be the host part of the laptop computer.

[0066] The display screen 300 is connected to the first body 100 and the second body 200, which means that at least part of the display screen 300 is in the first body 100, and at least part of the display screen 300 is in the second body 200. The display screen 300 can move relative to the second body 200, and the movement of the display screen 300 relative to the second body 200 can change the display area 310 of the display screen 300 in the first body 100, and the change refers to the change in the area of ​​the display area 310. The movement of the display screen 300 relative to the second body 200 may be in the form of movement, rotation, or a combination of movement and rotation. For example, the display screen 300 may be configured to increase or decrease the portion of the display screen 300 in the second body 200 by sliding relative to the second body 200, so that the display area 310 of the display screen 300 in the first body 100 changes; the display screen 300 may also be configured to increase or decrease the portion of the display screen 300 in the second body 200 by rotating and rolling it into the second body 200 or unrolling it outside the second body 200, so that the display area 310 of the display screen 300 in the first body 100 changes; the display screen 300 may also be configured as a combination of the above two methods, that is, the movement of the display screen 300 relative to the second body 200 includes both the sliding of the display screen 300 relative to the second body 200 and the retracting, unrolling and rotating of the display screen 300. This application does not limit the form of movement of the display screen 300 relative to the second body 200.

[0067] The guide assembly 400 is disposed at the connection A of the first body 100 and the second body 200. The connection A refers to the position where the first body 100 and the second body 200 are rotatably connected. Moreover, the guide assembly 400 covers the gap B between the display screen 300 and the second body 200. The gap B refers to the gap between the side where the display content output surface of the display screen 300 is located and the second body 200 at the connection A. Figure 2 As shown, Figure 2 The schematic structure of the electronic device after being cut along the direction that satisfies the perpendicular condition with the rotation axis of the first body 100 and the second body 200 is shown, and the guide component 400 blocks the gap B between the display screen 300 and the second body 200. It should be understood that in the direction that satisfies the parallel condition with the rotation axis of the first body 100 and the second body 200, the size of the guide component 400 is not less than the size of the gap B, so that the guide component 400 covers the gap B.

[0068] The guide assembly 400 is used to fit the display screen 300 and drive along a preset direction based on the change of the display area 310 and provide a safety force. The guide assembly 400 fits the display screen 300, which means that the side of the guide assembly 400 close to the display screen 300 is in contact with the display screen 300. The guide assembly 400 drives along a preset direction based on the change of the display area 310, which means that when the display screen 300 is in the process of the display area 310 of the first body 100 changing, the guide assembly 400 is driven to move in a preset direction, and the preset direction is set according to whether the change of the display area 310 is to increase or decrease the area of ​​the display area 310. The guide assembly 400 provides a safety force, which means that the force between the guide assembly 400 and the display screen 300 is a safety force for the display screen 300, that is, a force that will not cause damage to the display screen 300.

[0069] The electronic device of the present application is provided with a guide assembly 400 at the connection point A between the first body 100 and the second body 200. The guide assembly 400 covers the gap B between the display screen 300 and the second body 200. Moreover, the guide assembly 400 fits the display screen 300 and can be driven along a preset direction. With such a configuration, the guide assembly 400 can effectively prevent foreign objects from entering the gap B between the display screen 300 and the second body 200, thereby avoiding the phenomenon that foreign objects are stuck in the gap B and then damage the display screen 300. It should be noted that the safety force provided by the guide assembly 400 is much smaller than the braking force of the display screen 300. In other words, the force between the guide assembly 400 and the display screen 300 may form resistance to the movement of the display screen 300 relative to the second body 200 to a small extent, but will not affect the normal movement of the display screen 300 relative to the second body 200. Moreover, it should be understood that the setting of the connection point A between the guide component 400 and the first body 100 and the second body 200 does not affect the normal rotation of the first body 100 and the second body 200, that is, the guide component 400 does not affect the opening and closing of the first body 100 and the second body 200. For example, according to the specific situation, it can be considered to reduce the size of the guide component 400, or to accommodate most of the guide component 400 inside the second body 200, and only a small part of the guide component 400 is located outside the second body 200. In short, as long as the guide component 400 does not affect the normal rotation of the first body 100 and the second body 200, it can be used.

[0070] There are many ways to change the display area 310 of the first body 100, such as Figure 3 As shown, in some embodiments, the first body 100 may have a first sub-body 110 and a second sub-body 120 that are slidably connected, the first sub-body 110 is fixedly connected to the display screen 300, and the display screen 300 at least partially covers the first sub-body 110 and the second sub-body 120. The second sub-body 120 is rotatably connected to the second body 200, and the first sub-body 110 moves relative to the second sub-body 120 to change the display area 310 of the first body 100 where the display screen 300 is located. The position where the second sub-body 120 is rotatably connected to the second body 200 is the connection point A between the first body 100 and the second body 200, and the first sub-body 110 and the second sub-body 120 are set to be slidably connected, and the first sub-body 110 can move relative to the second sub-body 120 along the first direction S1 and the opposite direction of the first direction S1, that is, the second direction S2, see Figure 2 The movement of the first sub-body 110 along the first direction S1 means that the first sub-body 110 slides relative to the second sub-body 120 in a direction away from the connection A, and the movement of the first sub-body 110 along the first direction S1 means that the first sub-body 110 slides relative to the second sub-body 120 in a direction close to the connection A. Figure 3As shown, the movement of the first sub-body 110 along the first direction S1 can enlarge the display area 310 of the display screen 300 in the first body 100, and vice versa, the movement of the first sub-body 110 along the second direction S2 can reduce the display area 310 of the display screen 300 in the first body 100.

[0071] In other embodiments, the display area 310 of the first body 100 where the display screen 300 is located can be changed by other methods, such as Figure 4 As shown, in some embodiments, the first body 100 can set an accommodating area for accommodating the display screen 300 on the appearance surface 103 opposite to the display surface 101, and the end of the display screen 300 away from the second body 200 is wrapped around from the display surface 101 of the first body 100 to the appearance surface 103 of the first body 100. The display screen 300 is in the display area 310 of the first body 100, including both the part located on the display surface 101 and the part located on the appearance surface 103, that is, the user can see the display content of the corresponding part of the display screen 300 from both the display surface 101 and the appearance surface 103. Moreover, the display screen 300 is slidably connected to the first body 100, and when the portion of the display screen 300 located on the display surface 101 moves relative to the second body 200 along the first direction S1, the portion of the display screen 300 located on the appearance surface 103 increases. Conversely, when the portion of the display screen 300 located on the display surface 101 moves relative to the second body 200 along the second direction S2, the portion of the display screen 300 located on the appearance surface 103 decreases, thereby changing the display area 310 of the display screen 300 on the first body 100. It should be noted that the display surface 101 of the first body 100 is a side mainly used for arranging the display screen 300, and the appearance surface 103 of the first body 100 is a side of the first body 100 that is opposite to the display surface 101. After the first body 100 and the second body 200 are closed, the appearance surface 103 constitutes a part of the overall appearance of the electronic device. Figure 4 As shown, at the end of the first body 100 away from the connection A, the display surface 101 and the appearance surface 103 are connected by the connecting surface 102. In some embodiments, the connecting surface 102 can also be used to reveal the display area 310 of the display screen 300, that is, the user can see the display content of the corresponding part of the display screen 300 from the connecting surface 102.

[0072] See also Figure 2 and Figure 3In some embodiments, the display area 310 of the display screen 300 may be arranged on the display surface 101 of the first body 100, the second body 200 may have an input surface 201, the shielding area 320 of the display screen 300 may be located in the second body 200, and the projection of the input surface 201 in a direction perpendicular to the input surface 201 at least partially covers the shielding area 320 of the display screen 300; the shielding area 320 and the display area 310 are located on the same side of the display screen 300, and the guide component 400 is attached to the junction of the shielding area 320 and the display area 310 of the display screen 300 and does not affect the display content of the display area 310. The input surface 201 of the second body 200 is a side mainly used for arranging input devices, and the input devices may be in various forms such as a keyboard and / or a touchpad. The shielding area 320 of the display screen 300 refers to the part of the side where the display content output surface of the display screen 300 is located and is covered by the input surface 201 of the second body 200. Due to the coverage of the input surface 201 of the second body 200, the shielding area 320 of the display screen 300 is not visible to the user, so the display content of the display screen 300 is output through the display area 310. The guide component 400 is attached to the junction of the shielding area 320 and the display area 310 of the display screen 300, which means that the contact position of the guide component 400 and the display screen 300 is located at the junction of the shielding area 320 and the display area 310. The guide component 400 does not affect the display content of the display area 310, which means that the display content of the display area 310 is output outward without being blocked by the guide component 400, that is, the user can normally view the complete display content of the display area 310. It should be understood that since the movement of the display screen 300 relative to the second body 200 causes the display area 310 of the display screen 300 to change, the display image displayed by the display screen 300 should be resized according to the size of the display area 310 so that the display image can be fully presented in the display area 310.

[0073] In some embodiments, the electronic device may be configured such that: when the first sub-body 110 moves relative to the second sub-body 120 along the first direction S1, the guide component 400 drives along the first direction S1 based on the change of the display area 310 and provides a first safety force; when the first sub-body 110 moves relative to the second sub-body 120 along the second direction S2, the guide component 400 drives along the second direction S2 based on the change of the display area 310 and provides a second safety force. Fig.10, the guide assembly 400 may include a second guide roller 420, the second guide roller 420 includes a second rotation axis 421 and a second flexible body 422 extending from the second guide roller 420 to the display screen 300, the second flexible body 422 includes a first portion 4221 rolled up on the second rotation axis 421 and a second portion 4222 formed by unrolling the first portion 4221, and the second portion 4222 is in contact with the shielding area 320 outside the display area 310 of the display screen 300. During the movement of the first sub-body 110 relative to the second sub-body 120 along the first direction S1, the second portion 4222 of the second flexible body 422 moves synchronously with the display screen 300, that is, the second portion 4222 of the second flexible body 422 moves outward from the second body 200. The driving of the guide assembly 400 along the first direction S1 means that the side of the second guide roller 420 close to the display area 310 of the display screen 300 rotates along the first direction S1, that is, the second guide roller 420 rotates around the second rotation axis 421 along the first direction S1. Fig.10 The second flexible body 422 rotates counterclockwise in the middle, so that the second portion 4222 of the second flexible body 422 moves to the outside of the second body 200 and is wound around the second rotating shaft 421 to become the first portion 4221. When the second portion 4222 of the second flexible body 422 is wound around the second rotating shaft 421, it is separated from the display screen 300, and thus does not cover the display area 310 of the display screen 300.

[0074] During the movement of the first sub-body 110 relative to the second sub-body 120 along the second direction S2, the second portion 4222 of the second flexible body 422 moves synchronously with the display screen 300, that is, the second portion 4222 of the second flexible body 422 moves into the second body 200. The guide assembly 400 is driven along the second direction S2, which means that the side of the second guide roller 420 close to the display area 310 of the display screen 300 rotates along the second direction S2, that is, the second guide roller 420 rotates around the second rotation axis 421 along the second rotation axis 422. Fig.10 The first part 4221 of the second flexible body 422 is unwound from the second rotating shaft 421 to form a second part 4222 that moves into the second body 200. The second part 4222 of the second flexible body 422 enters the second body 200 together with the display screen 300 and fills between the display screen 300 and the inner wall of the second body 200, thereby preventing foreign matter from entering the second body 200.

[0075] exist Fig.10In the exemplary embodiment, the driving direction of the guide assembly 400 is the same as the movement direction of the first sub-body 110 relative to the second sub-body 120, so that the second flexible body 422 of the guide assembly 400 and the display screen 300 enter and exit the second body 200 at the same time, that is, the winding direction of the second flexible body 422 is the same as the movement direction of the display screen 300 relative to the second body 200, and the second flexible body 422 and the display screen 300 enter the second body 200 in the same direction, and return from the second body 200 in the same direction. In the process of the second flexible body 422 and the display screen 300 entering and exiting the second body 200 at the same time, the second flexible body 422 fills the gap between the display screen 300 and the second body 200, preventing foreign objects from entering the gap and preventing foreign objects from crushing the display screen 300.

[0076] Since the second flexible body 422 is filled between the second body 200 and the display screen 300 after entering the second body 200, the side of the second flexible body 422 facing away from the display screen 300 contacts the inner wall of the second body 200. In order to reduce the contact friction between the second flexible body 422 and the second body 200 to facilitate the smooth movement of the second flexible body 422, the material of the second flexible body 422 can be set to a material with low hardness and good lubrication effect, such as POM plastic (polyoxymethylene). The side of the second flexible body 422 facing away from the display screen 300 can be added with elastically rollable materials such as thin stainless steel sheets to increase the rigidity of the second flexible body 422, thereby preventing the second flexible body 422 from wrinkling and deforming during its movement in the second body 200, resulting in a jamming phenomenon. In addition, the surface of the inner wall of the second body 200 that contacts the second flexible body 422 can be set to a material with low hardness and good lubrication effect, such as POM plastic (polyoxymethylene), which is also beneficial to reduce the contact friction between the second flexible body 422 and the second body 200, allowing the second flexible body 422 to move more smoothly in the second body 200.

[0077] like Fig.10 As shown, in some embodiments, the first direction S1 may be the direction in which the display screen 300 moves out of the second body 200, and the second direction S2 may be the direction in which the display screen 300 moves back into the second body 200. During the process of the display screen 300 moving out, the guide assembly 400 provides a first safety force, and during the process of the display screen 300 being back, the guide assembly 400 provides a second safety force. The magnitude relationship between the first safety force and the second safety force may be set to any of the following:

[0078] The first safety force is equal to the second safety force, that is, in the two processes of the display screen 300 going out from the second body 200 and being retracted into the second body 200, the safety force provided by the guide assembly 400 is equal. In the above two processes, the movement direction and speed of the guide assembly 400 and the display screen 300 are consistent, and the guide assembly 400 can provide a certain driving force for the display screen 300; the first safety force is smaller than the second safety force, that is, the guide assembly 400 provides a greater safety force in the process of retracting the display screen 300 than in the process of the display screen 300 going out, so that it can satisfy the safety requirements of the guide assembly 400 when the display screen 300 goes out. The guide assembly 400 can provide better driving force and supporting force for the display screen 300 when the display screen 300 is retracted, and can also better detect foreign objects when the display screen 300 is retracted to prevent foreign objects from entering; the first safety force is greater than the second safety force, that is, the guide assembly 400 provides a smaller safety force when the display screen 300 is retracted than when the display screen 300 is extended. In this way, the guide assembly 400 can provide better driving force and supporting force for the display screen 300 when the display screen 300 is extended, and can also leave a certain tolerance space for the accidental increase of the force when the display screen 300 is retracted, thereby better preventing damage to the display screen 300.

[0079] In some embodiments, the electronic device may include a pressure sensor disposed on the second rotating shaft 421, and the pressure sensor is used to detect the force from the display screen 300 transmitted by the second flexible body 422. The electronic device may be configured to: when the force detected by the pressure sensor exceeds a preset value, control the guide component 400 and the display screen 300 to stop moving; or, when the force detected by the pressure sensor exceeds a preset value, control the guide component 400 and the display screen 300 to synchronously perform a moderate movement opposite to the previous one and then stop, for example, the guide component 400 and the display screen 300 stop moving within 0.5s to 1s after the previous simultaneous forward movement changes to simultaneous outward movement. In addition, the electronic device may also be configured to: when the force detected by the pressure sensor exceeds a preset value, control the display screen 300 to pop up a reminder interface containing prompt information (for example, text similar to "screen pressure is too high"), so that the user can understand the status of the electronic device in a timely manner.

[0080] See also Fig.10In some embodiments, the electronic device may include a dust removal device 700, and a part of the dust removal device 700 is in contact with the outer surface of the second guide roller 420. As the second portion 4222 of the second flexible body 422 is wound onto the second rotating shaft 421, the surface of the second portion 4222 in contact with the display screen 300 becomes the outer surface of the first portion 4221, that is, the outer surface of the second guide roller 420. It is easy to understand that as the first portion 4221 is unwound from the second rotating shaft 421, the outer surface of the first portion 4221 becomes the surface of the second portion 4222 in contact with the display screen 300. Therefore, if there are a lot of dust or other tiny objects on the outer surface of the first portion 4221, the display screen 300 may be scratched or crushed after the second portion 4222 is in contact with the display screen 300. The dust removal device 700 is used to remove dust or other tiny objects that may exist on the second flexible body 422 to prevent the display screen 300 from being scratched or crushed. It should be noted that, as the second flexible body 422 is rolled up and unrolled, the diameter of the second guide roller 420 changes, but the dust removal device 700 is always in contact with the outer surface of the second guide roller 420. For example, the second rotating shaft 421 and the dust removal device 700 can be connected by an elastic member. When the diameter of the second guide roller 420 becomes smaller, the dust removal device 700 moves toward the second rotating shaft 421 under the action of the elastic member, thereby always being in contact with the outer surface of the second guide roller 420.

[0081] exist Fig.10 In the exemplary embodiment, the dust removal device 700 can be configured as a scraper shape, that is, the dust removal device 700 removes dust by scraping the outer surface of the second guide roller 420. In other embodiments, the dust removal device 700 can also be configured as other structural forms, such as Fig.12 As shown, in some embodiments, the dust removal device 700 can be set to a roller shape. In this structure, the outer surface of the dust removal device 700 and the outer surface of the second guide roller 420 can be moved at unequal speeds to rub off dust and other tiny objects on the outer surface of the second guide roller 420, thereby achieving dust removal. Alternatively, a material with dust-sticking effect can be provided on the outer surface of the dust removal device 700 to stick to dust and other tiny objects on the outer surface of the second guide roller 420, thereby achieving dust removal.

[0082] See also Fig.11In some embodiments, the electronic device may include an auxiliary roller 800, the auxiliary roller 800 is located inside the second body 200, and one end of the second flexible body 422 away from the first portion 4221 is wound around the auxiliary roller 800. When the second portion 4222 of the second flexible body 422 moves into the second body 200, the auxiliary roller 800 may apply a certain pulling force to the second flexible body 422 by rolling up the second portion 4222, which is conducive to making the portion of the second flexible body 422 located in the second body 200 in a flat state, and avoiding blocking the display screen 300 from moving relative to the second body 200 due to the bending of the second portion 4222.

[0083] In some embodiments, the electronic device may be configured such that: during the movement of the first sub-body 110 relative to the second sub-body 120 along the first direction S1, the guide component 400 is driven along the second direction S2 based on the change of the display area 310 and provides a third safety force; during the movement of the first sub-body 110 relative to the second sub-body 120 along the second direction S2, the guide component 400 is driven along the first direction S1 based on the change of the display area 310 and provides a fourth safety force. Figure 5~Figure 9 The guide assembly 400 may include a first guide roller 410, the first guide roller 410 includes a first rotation axis 411 and a first flexible body 412 extending from the first rotation axis 411 to the display screen 300, and the first flexible body 412 can be deformed under a safety force to accommodate foreign matter. When the first sub-body 110 moves relative to the second sub-body 120 along the first direction S1, the guide assembly 400 is driven along the second direction S2, that is, the side of the first guide roller 410 close to the display area 310 of the display screen 300 rotates along the second direction S2, that is, the first guide roller 410 rotates around the first rotation axis 411 along the second direction S2. Figure 5 or Figure 7 During the movement of the first sub-body 110 relative to the second sub-body 120 along the second direction S2, the guide assembly 400 is driven along the first direction S1, that is, the first guide roller 410 close to the display area 310 of the display screen 300 rotates along the second direction S2, that is, the first guide roller 410 rotates around the first rotation axis 411 along the second direction S2. Figure 5 or Figure 7. Under the safety force, the first flexible body 412 of the first guide roller 410 may be deformed by depression, that is, the outer surface of the first guide roller 410 may form a pit under the safety force. When there is foreign matter on the surface of the display screen 300, the foreign matter contacts the first flexible body 412, causing the first flexible body 412 to be deformed by depression, and the formed pit accommodates the foreign matter. After the foreign matter is accommodated in the pit of the first flexible body 412, it moves with the first guide roller 410, thereby moving from the side of the first guide roller 410 close to the display screen 300 to the side away from the display screen 300. After the foreign matter is away from the display screen 300, the foreign matter can be removed from the first guide roller 410 by, for example, a scraper, a sticky ball, etc. After the foreign matter is removed from the first guide roller 410, the first flexible body 412 returns to its original state through its own elasticity, that is, the pit on the outer surface of the first guide roller 410 that accommodates the foreign matter disappears automatically.

[0084] exist Figure 5 or Figure 7 In the exemplary embodiment, the driving direction of the guide assembly 400 is opposite to the movement direction of the first sub-body 110 relative to the second sub-body 120, that is, the movement direction of the first guide roller 410 near the display screen 300 is opposite to the direction in which the display screen 300 enters and exits the second body 200. In the process of the display screen 300 being retracted into the second body 200, since the first guide roller 410 rotates in the opposite direction of the retraction direction of the display screen 300, in the case of the presence of foreign matter, the first guide roller 410 will push the foreign matter in the opposite direction of the retraction direction of the display screen 300, thereby preventing the foreign matter from entering the gap between the display screen 300 and the second body 200. On this basis, the first guide roller 410 can be configured to be able to move in a direction away from the display screen 300, so that when encountering foreign matter that cannot be pushed out by the reverse rotation of the first guide roller 410, the gap between the first guide roller 410 and the display screen 300 can be increased to prevent the foreign matter from exerting excessive pressure on the display screen 300, thereby preventing the display screen 300 from being crushed.

[0085] It should be noted that the distance that the first guide roller 410 moves in the direction away from the display screen 300 cannot be too large, otherwise the gap between the first guide roller 410 and the display screen 300 is too large, which may cause foreign matter to enter the gap between the second body 200 and the display screen 300. In order to ensure that there is no gap between the first guide roller 410 and the display screen 300 that exceeds the preset distance, a sensor for detecting the moving distance of the first rotating shaft 411 of the first guide roller 410 may be provided. After obtaining the detection value of the sensor, the initial gap between the first guide roller 410 and the display screen 300 (usually the initial gap is set to zero) and the moving distance of the first rotating shaft 411 in the direction away from the display screen 300 are summed to obtain the current gap between the first guide roller 410 and the display screen 300. When the current gap reaches the preset distance, the first guide roller 410 may be stopped from moving in the direction away from the display screen 300. In order to further improve safety, the electronic device can be configured to: when the gap between the first guide roller 410 and the display screen 300 reaches a preset distance, stop the movement of the first sub-body 110 relative to the second sub-body 120, or drive the first sub-body 110 to move opposite to the previous movement relative to the second sub-body 120, for example, the previous movement of the first sub-body 110 relative to the second sub-body 120 along the second direction S2 is changed to the movement along the first direction S1. In addition, the electronic device can also be configured to: when the gap between the first guide roller 410 and the display screen 300 reaches a preset distance, control the display screen 300 to pop up a reminder interface containing prompt information (for example, text similar to "the gap between the screen and the roller is too large"), so that the user can understand the status of the electronic device in time.

[0086] exist Figure 5 or Figure 7 In the exemplary embodiment, when the first sub-body 110 moves relative to the second sub-body 120 along the first direction S1, the guide assembly 400 provides a third safety force; when the first sub-body 110 moves relative to the second sub-body 120 along the second direction S2, the guide assembly 400 provides a fourth safety force. That is, when the display screen 300 comes out of the second body 200, the third safety force is between the first guide roller 410 and the display screen 300, and when the display screen 300 is retracted into the second body 200, the fourth safety force is between the first guide roller 410 and the display screen 300. The third safety force may be equal to, greater than, or less than the fourth safety force, and this application does not limit this. The third safety force and the fourth safety force should be set to be much smaller than the braking force of the braking display screen 300. That is to say, the third safety force and the fourth safety force may form resistance to the movement of the display screen 300 relative to the second body 200 to a small extent, but will not affect the normal movement of the display screen 300 relative to the second body 200, that is, will not affect the movement of the display screen 300 in and out of the second body 200.

[0087] In some embodiments, the guide assembly 400 may include a first driving device, which is in transmission connection with the first guide roller 410 and is used to drive the first guide roller 410 to rotate around its own central axis, i.e., the first rotating shaft 411, in a rolling direction, and the rolling direction is opposite to or the same as the direction in which foreign matter enters the interior of the second body 200 from the gap between the first guide roller 410 and the display screen 300. Figure 5 and Figure 7 When foreign matter enters the interior of the second body 200 from the gap between the first guide roller 410 and the display screen 300, the foreign matter moves along the surface of the display screen 300 along the second direction S2 on the side of the first guide roller 410 close to the display screen 300. At this time, the display screen 300 may move along the first direction S1 relative to the second body 200, or may move along the second direction S2 relative to the second body 200. Therefore, the rotation of the first guide roller 410 around its own central axis may be along the second direction S2. Figure 5 or Figure 7 The clockwise rotation in Figure 5 or Figure 7 It should be noted that the above rolling direction refers to the movement direction of the first guide roller 410 close to the display screen 300 when the first guide roller 410 rotates around its own central axis.

[0088] In some embodiments, the first driving device can be configured to drive the first body 100 so that the display screen 300 is in the display area 310 of the first body 100. That is, the first driving device is used to drive the first sub-body 110 to slide relative to the second sub-body 120. In this way, the relative movement of the first sub-body 110 and the second sub-body 120 and the rotation of the first guide roller 410 share the first driving device, which is conducive to making the overall structure of the electronic device more compact. Of course, in other embodiments, the guide assembly 400 and the first body 100 can also be configured with driving devices respectively, that is, the relative movement of the first sub-body 110 and the second sub-body 120 and the rotation of the first guide roller 410 are driven by different driving devices. The first driving device may include a first motor, the first motor is connected to the first guide roller 410 through, for example, a gear transmission mechanism, and drives the first guide roller 410 to rotate around its own central axis. The first motor is also connected to the first sub-body 110 through, for example, a screw nut mechanism, and drives the first sub-body 110 to slide relative to the second sub-body 120, so that the first body 100 and the guide assembly 400 can share the first driving device.

[0089] In some embodiments, the electronic device may include: a second driving device, used to drive the first body 100 to change the display area 310 of the first body 100 where the display screen 300 is located; a controller, electrically connected to the second driving device, used to control the action of the second driving device; a sensor, electrically connected to the controller, used to detect the position information of the first guide roller 410 of the guide assembly 400. The first guide roller 410 is movably arranged on the electronic device through the elastic support structure 500. When the first guide roller 410 moves away from the display screen 300 and reaches the target position, the controller controls the second driving device to perform the following actions based on the first position information corresponding to the target position detected by the sensor: the second driving device stops moving, so that the display area 310 of the display screen 300 stops changing; or the second driving device moves in the opposite direction, so that the display area 310 of the display screen 300 changes in the direction of enlarging the area. See Figure 5 and Figure 6 The elastic support structure 500 may include a support member 510 and an elastic member 520. One end of the support member 510 is connected to the first guide roller 410, and the other end is rotatably connected to the second body 200. When the foreign matter is large, the foreign matter exerts a force on the first guide roller 410 to move the first guide roller 410 away from the display screen 300 when the foreign matter is between the first guide roller 410 and the display screen 300. The force is transmitted to the support member 510 through the first guide roller 410, so that the support member 510 moves along the hinge point C between the second body 200 and the support member 510. Figure 6The first guide roller 410 rotates in the direction of the middle arrow D, and driven by the support member 510, the first guide roller 410 moves away from the display screen 300, so that the force exerted by foreign objects on the display screen 300 can be reduced, thereby protecting the display screen 300 from damage. However, if the distance that the first guide roller 410 moves away from the display screen 300 exceeds a certain value, foreign objects may pass between the first guide roller 410 and the display screen 300 and then enter the second body 200. In order to avoid this situation as much as possible, a sensor can be set to detect the position information of the first guide roller 410, and set the target position to which the first guide roller 410 is allowed to move. During the process of the display screen 300 moving relative to the second body 200 along the second direction S2, that is, during the process of the display screen 300 moving into the second body 200, once the controller learns through the sensor that the first guide roller 410 has moved to the target position, the controller can control the second driving device to stop moving, so that the display screen 300 no longer moves relative to the second body 200, which is conducive to preventing foreign objects from entering the second body 200 driven by the display screen 300. Alternatively, the controller can control the second driving device to move in the opposite direction, so that the display screen 300 moves relative to the second body 200 in the opposite direction of the second direction S2, that is, the first direction S1, and foreign objects move away from the second body 200 driven by the display screen 300, thereby preventing foreign objects from entering the second body 200. The second driving device may include a second motor, which is connected to the first sub-body 110 through, for example, a screw nut mechanism, and drives the first sub-body 110 to slide relative to the second sub-body 120.

[0090] like Figure 6 As shown, the elastic restoring force of the elastic member 520 can make the support member 510 have a tendency to rotate around the hinge point C in the opposite direction of the arrow D, so the elastic support structure 500 can restore itself to its original state under the action of the elastic restoring force of the elastic member 520. The elastic member 520 can be a spring, a spring sheet, etc., and this application does not limit this. Figure 5 and Figure 7 The structural form of the support member 510 can be selected in a variety of ways. For example, the support member 510 can be configured as a support rod, or as a bent rod with a bend according to the needs of the layout space. The present application does not limit the structural form of the support member 510. Figure 7As shown, in some embodiments, the guide assembly 400 may include a stop structure 600. When the first guide roller 410 moves away from the display screen 300 and reaches the target position, the stop structure 600 abuts against a part of the elastic support structure 500 to limit the first guide roller 410 from continuing to move away from the display screen 300. As mentioned above, if the distance moved by the first guide roller 410 in the direction away from the display screen 300 exceeds a certain value, foreign matter may pass between the first guide roller 410 and the display screen 300 and enter the second body 200. Under the restriction of the stop structure 600, the movement distance of the first guide roller 410 can be more reliably prevented from exceeding the allowable value, thereby further improving safety.

[0091] exist Figure 5 or Figure 7 In the exemplary embodiment, the support member 510 is configured to rotate relative to the second body 200 so as to move the first guide roller 410 away from the display screen 300. In other embodiments, the support member 510 may also be configured to be slidably connected to the second body 200, for example, Figure 7 The support member 510 in the embodiment is changed to be slidably connected to the second body 200, so that the support member 510 can be moved relative to the second body 200 along Figure 7 The support member 510 slides in the left and right directions, so that when the support member 510 slides to the left, it can also move the first guide roller 410 away from the display screen 300.

[0092] See also Fig.13 In some embodiments, the guide assembly 400 may include a first guide roller 410 and a second guide roller 420, that is, the electronic device may be provided with the first guide roller 410 and the second guide roller 420 at the same time, and the second guide roller 420 is provided close to the first guide roller 410 to minimize the overall volume of the guide assembly 400. It should be noted that, since the second flexible body 422 of the second guide roller 420 enters the second body 200 together with the display screen 300 after being unrolled from the second rotating shaft 421, the first guide roller 410 should be arranged on the side of the second guide roller 420 away from the second part 4222 of the second flexible body 422 to avoid the first guide roller 410 affecting the normal unwinding of the second flexible body 422.

[0093] See also Figure 8In some embodiments, the first flexible body 412 may be composed of a first layer 4121 and a second layer 4122 that are stacked together. The second layer 4122 is used to abut against the display screen 300. The first layer 4121 is made of a first material, and the second layer 4122 is made of a second material. The elastic coefficient of the second material is smaller than the elastic coefficient of the first material. The first layer 4121 and the second layer 4122 are stacked and fixedly connected along the radial direction of the first guide roller 410. The second layer 4122 is used to abut against the display screen 300. Therefore, a softer material should be selected as much as possible. The first layer 4121 is located inside the first flexible body 412. Therefore, a material slightly harder than the second layer 4122 can be selected to provide better support for the second layer 4122.

[0094] See also Fig. 9 In some embodiments, the first flexible body 412 may be composed of a first layer 4121, an intermediate layer 4123, and a second layer 4122 that are stacked together. The second layer 4122 is used to abut against the display screen 300. The first layer 4121 is made of a first material, the second layer 4122 is made of a second material, and the intermediate layer 4123 is made of a third material. Among the first material, the second material, and the third material, the third material has the largest stiffness, that is, the intermediate layer 4123 is less likely to deform than the first layer 4121 and the second layer 4122. The first layer 4121, the middle layer 4123 and the second layer 4122 are stacked from the inside to the outside along the radial direction of the first guide roller 410, the first layer 4121 is connected to the first rotating shaft 411 of the first guide roller 410, and the middle layer 4123 with relatively large rigidity is arranged between the first layer 4121 and the second layer 4122. In this way, while improving the stability of the overall structure of the first guide roller 410, the buffering effect of the first layer 4121 between the first rotating shaft 411 and the middle layer 4123 helps to reduce the possibility of bending and deformation of the first rotating shaft 411, thereby improving the reliability of the normal rotation of the first guide roller 410.

[0095] See also Figure 10~Figure 12 In some embodiments, the second flexible body 422 can be set to a single-layer structure or a multi-layer structure. For example, the second flexible body 422 can be set to a double-layer structure, including an outer layer for abutting against the display screen 300 and an inner layer stacked and combined with the outer layer. It is easy to understand that when the second flexible body 422 is rolled onto the second rotating shaft 421, the inner layer of the second flexible body 422 at the same position is closer to the second rotating shaft 421 than the outer layer. The material of the outer layer can be set to have a smaller elastic coefficient than the material of the inner layer, so that the outer layer is not easy to damage the display screen 300 when abutting against the display screen 300, and the inner layer provides a certain support strength for the outer layer, so that the second part 4222 of the second flexible body 422 is not easy to wrinkle when moving in the second body 200, thereby ensuring that the second part 4222 moves smoothly in the second body 200 together with the display screen 300.

[0096] For another example, the second flexible body 422 can be set to a three-layer structure, including a stacked inner layer, a sandwich layer and an outer layer, and the outer layer is used to abut against the display screen 300. It is easy to understand that when the second flexible body 422 is rolled up onto the second rotating shaft 421, the inner layer of the same part of the second flexible body 422 is closer to the second rotating shaft 421 than the sandwich layer, and the sandwich layer is closer to the second rotating shaft 421 than the outer layer. After the second flexible body 422 is unrolled into the second body 200, the outer layer of the second part 4222 contacts the display screen 300, and the inner layer of the second part 4222 faces the inner wall of the second body 200. The materials of the outer layer and the inner layer can be set to materials with a smaller elastic coefficient, which is beneficial to protect the display screen 300 and the inner wall of the second body 200 from damage, and the material of the sandwich layer can be set to have a greater rigidity than the materials of the outer layer and the inner layer, that is, the sandwich layer is less likely to deform than the inner layer and the outer layer. In this way, when the inner layer and the outer layer are set to softer materials, the sandwich layer with greater rigidity can be used to improve the bending resistance of the second part 4222 of the second flexible body 422 when it moves in the second body 200, thereby avoiding wrinkles in the second part 4222 that affect the movement of the second part 4222 and the display screen 300 in the second body 200.

[0097] In the embodiment where the second flexible body 422 is set to a single-layer structure, the second flexible body 422 can be set to a material with low hardness and good lubrication effect, such as POM plastic (polyoxymethylene). In the embodiment where the second flexible body 422 is set to a double-layer structure, the outer layer of the second flexible body 422 can be set to a material such as POM plastic (polyoxymethylene), and the inner layer of the second flexible body 422 can be set to an elastic resin material such as polyurethane resin, epoxy resin, etc. In the embodiment where the second flexible body 422 is set to a three-layer structure, the outer layer of the second flexible body 422 can be set to a material such as POM plastic (polyoxymethylene), the inner layer of the second flexible body 422 can be set to an elastic resin material such as polyurethane resin, epoxy resin, etc., and the sandwich layer of the second flexible body 422 can be set to a structure such as a stainless steel sheet.

[0098] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0099] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electronic device, comprising: first ontology; a second body, the second body being rotatably connected to the first body; A display screen, the display screen is connected to the first body and the second body, and the display area of ​​the display screen in the first body changes based on the movement of the display screen relative to the second body; A guide component is arranged at the connection between the first body and the second body and covers the gap between the display screen and the second body. The guide component is used to fit the display screen and drive it along a preset direction based on the change of the display area and provide a safety force.

2. The electronic device according to claim 1, wherein the first body has a first sub-body and a second sub-body that are slidably connected; The first sub-body is fixedly connected to the display screen, and the display screen at least partially covers the first sub-body and the second sub-body; The second sub-body is rotatably connected to the second main body, and the first sub-body moves relative to the second sub-body to change the display area of ​​the first main body where the display screen is located.

3. The electronic device according to claim 2, wherein during the movement of the first sub-body relative to the second sub-body along the first direction, the guide component is driven along the first direction based on the change of the display area and provides a first safety force; During the movement of the first sub-body relative to the second sub-body along the second direction, the guide assembly drives along the second direction based on the change of the display area and provides a second safety force; in, The first direction is opposite to the second direction.

4. The electronic device according to claim 2, wherein during the movement of the first sub-body relative to the second sub-body along the first direction, the guide component is driven along the second direction based on the change of the display area and provides a third safety force; During the movement of the first sub-body relative to the second sub-body along the second direction, the guide assembly is driven along the first direction based on the change of the display area and provides a fourth safety force; in, The first direction is opposite to the second direction.

5. The electronic device according to claim 2, wherein the first body has a display surface, and the display area of ​​the display screen is arranged on the display surface; The second body has an input surface, the shielding area of ​​the display screen is located in the second body, and the projection of the input surface along a direction perpendicular to the input surface at least partially covers the shielding area of ​​the display screen; The shielding area and the display area are located on the same side of the display screen, and the guide component is attached to the boundary between the shielding area and the display area of ​​the display screen without affecting the display content of the display area.

6. The electronic device according to claim 1, wherein the guide component comprises: A first guide roller, the first guide roller comprising a first rotating shaft and a first flexible body extending from the first rotating shaft to the display screen, the first flexible body being deformable under the safety force to accommodate foreign matter; A first driving device is connected to the first guide roller in a transmission manner, and is used to drive the first guide roller to rotate around its own central axis in a rolling direction, and the rolling direction is opposite to or the same as the direction in which the foreign matter enters the interior of the second body through the gap between the first guide roller and the display screen.

7. The electronic device according to claim 6, comprising: A second driving device, used for driving the first body to change the display area of ​​the first body where the display screen is located; a controller, electrically connected to the second driving device, and configured to control the action of the second driving device; A sensor, electrically connected to the controller, for detecting position information of the first guide roller of the guide assembly; Wherein, the first guide roller is movably arranged on the electronic device through an elastic supporting structure, and when the first guide roller moves away from the display screen and reaches a target position, the controller controls the second drive device to perform the following actions based on the first position information corresponding to the target position detected by the sensor: the second drive device stops moving to stop the display area of ​​the display screen from changing; or the second drive device moves in the opposite direction to change the display area of ​​the display screen in the direction of enlarging the area.

8. The electronic device according to claim 6 or 7, comprising: A second guide roller is arranged near the first guide roller, the second guide roller includes a second rotating shaft and a second flexible body extending from the second guide roller toward the display screen, the second flexible body includes a first part rolled up on the second rotating shaft and a second part formed by unrolling the first part, the second part is in contact with a shielding area outside the display area of ​​the display screen.

9. The electronic device according to claim 8, wherein the first flexible body is composed of a first layer and a second layer stacked together, the second layer is used to abut against the display screen, the first layer is made of a first material, the second layer is made of a second material, and the elastic coefficient of the second material is smaller than the elastic coefficient of the first material; Alternatively, the first flexible body is composed of a first layer, a middle layer and a second layer that are stacked together, the second layer is used to abut against the display screen, the first layer is made of a first material, the second layer is made of a second material, and the middle layer is made of a third material, and among the first material, the second material and the three materials, the third material has the greatest stiffness.

10. The electronic device according to claim 8, further comprising: A dust removal device, a portion of which is in contact with an outer surface of the second guide roller; and / or, The auxiliary roller is located inside the second body, and one end of the second flexible body away from the first part is wound around the auxiliary roller.

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