Sealing method of structural member and electronic equipment

Abstract

The embodiment of the invention provides a sealing method of a structural part and electronic equipment, and belongs to the technical field of sealing. The sealing method of the structural part comprises the steps that the structural part is provided, the structural part comprises a first structural part and a second structural part, a sealing channel is formed between the first structural part and the second structural part, and the sealing channel comprises a first opening and a second opening. The structural member is placed in a first environment, and the second opening is in a sealed state. And a preset volume of sealant is injected into the sealing channel from the first opening, and the sealant automatically flows towards the second opening in the first environment. And after the first preset time, the structural part is placed in a second environment, and the pressure intensity of the second environment is larger than that of the first environment, so that the sealing channel is filled with the sealant in a sealed mode under the pressure difference between the second environment and the first environment. According to the sealing method of the structural part, the glue amount is controllable, and the problems of glue overflow and glue leakage at the sealing channel are solved.

Description

Technical Field

[0001] This application relates to the field of sealing technology, and particularly to a sealing method for structural components and an electronic device. Background Art

[0002] With the rapid development of power electronics technology, the types and functions of electronic products are increasing. People's requirements for the waterproof performance of consumer electronic products, such as mobile phones, tablets, laptops, and wearable devices, are also getting higher and higher. Among them, an electronic product includes multiple components. When assembling the electronic product, through holes for connection are usually provided on the components of the electronic product. A connecting member is arranged in the through hole to connect two components. In this way, there will be some gaps between the connecting member and the inner wall of the through hole and the adjacent components. To meet the waterproof specifications of consumer electronic products, it is necessary to seal the gaps on the electronic product.

[0003] Generally, the method of directly pouring glue into the gaps of the electronic product can be adopted. Relying on the self-flowability of the sealant, the gaps of the electronic product are sealed. However, when the viscosity of the glue is low, problems such as glue overflow and leakage are likely to occur. When the viscosity of the glue is high, the irregular and micro gaps in the gaps cannot be effectively filled. To solve the above problems, negative pressure is drawn on the outer surface of the gap, so that the glue with high viscosity fills the gap under the action of negative pressure.

[0004] However, although applying negative pressure on the outer surface of the gap can make the glue with high viscosity enter the gap, it cannot solve the problems of glue overflow and leakage of the product. Summary of the Invention

[0005] This application provides a sealing method for structural components and an electronic device. The sealing method for the structural components can effectively solve the problems of glue overflow and leakage of the product.

[0006] In a first aspect of an embodiment of this application, a sealing method for structural components is provided. The sealing method includes providing a structural component, where the structural component includes a first structural component and a second structural component, and there is a sealing channel between the first structural component and the second structural component. The sealing channel includes a first opening and a second opening. The structural component is placed in a first environment, and the second opening is in a sealed state. A preset volume of sealant is injected into the sealing channel from the first opening. In the first environment, the sealant automatically flows towards the second opening. After a first preset time, the structural component is placed in a second environment, and the pressure of the second environment is greater than the pressure of the first environment, so that the sealant is hermetically filled in the sealing channel under the pressure difference between the second environment and the first environment.

[0007] The structural member sealing method provided by the embodiments of the present application can prevent the problems of glue overflow or leakage after the sealing channel is sealed and can control the amount of sealant used by sealing the second opening of the sealing channel. When the structural member is first placed in the first environment, a preset volume of sealant is injected into the sealing channel through the first opening, which can control the amount of sealant used and enable the sealant to be injected into the sealing channel. After the first preset time, the structural member is placed in the second environment, so that part or all of the sealant is injected into the sealing channel when in the first environment. By setting the pressure of the second environment to be greater than that of the first environment, the pressure difference between the second environment and the first environment can be utilized to seal and fill the remaining part of the sealant or all of the sealant that has entered the sealing channel in the sealing channel, ensuring that the special-shaped and micro-gap positions in the sealing channel can be effectively filled. In addition, the sealant is filled into the sealing channel under positive pressure extrusion, which can reduce the risk of air bubbles in the sealant compared with the method of pumping negative pressure.

[0008] In a possible implementation manner, before or after placing the structural member in the first environment, it further includes setting a sealing structure at the second opening for sealing the second opening to keep the second opening in a sealed state.

[0009] By setting a sealing structure at the second opening for sealing the second opening so that the second opening is in a sealed state, it can ensure that there are no problems of glue leakage or overflow at the second opening. And it can ensure that the outside of the second opening is relatively flat, so that when the second opening faces the appearance surface of the structural member, the cleanliness and aesthetics of the appearance surface can be guaranteed.

[0010] In a possible implementation manner, after placing the structural member in the second environment, it further includes removing the sealing structure from the second opening after a second preset time.

[0011] By removing the sealing mechanism from the second opening after a second preset time after the structural member is placed in the second environment, there are no redundant components on the structural member, thereby simplifying the structure of the structural member, and when the second opening faces the appearance surface of the structural member, the aesthetics of the structural member can be improved.

[0012] In a possible implementation manner, the sealing structure includes a peelable sealant.

[0013] By setting the sealing structure to include a peelable sealant, it is convenient to remove the sealing structure after the sealing channel is sealed, the difficulty of removing the sealing structure can be reduced, and thus the sealing cost of the structural member can be reduced.

[0014] In a possible implementation, the sealing structure includes a fixture, wherein a partial structure of the fixture is disposed at the second opening and is sealingly connected to the second opening.

[0015] By providing the sealing structure to include a fixture, only the structural member needs to be placed on the fixture, and the second opening can be sealed through certain operations, which can simplify the procedure for sealing the second opening of the sealing channel, thereby improving the sealing efficiency of the structural member.

[0016] In a possible implementation, the provided structural member includes an appearance surface formed on at least one of the first structural member and the second structural member. The second opening extends to the appearance surface.

[0017] By forming an appearance surface on at least one of the first structural member and the second structural member and extending the second opening to the appearance surface, when sealing the sealing channel, it can be ensured that there is no problem of glue leakage or overflow on the appearance surface of the structural member, and the appearance surface is ensured to be flat and beautiful.

[0018] In a possible implementation, the first environment is a negative pressure environment.

[0019] When the first environment is set as a negative pressure environment, the second environment can be set as a standard atmospheric pressure environment or an air environment. In this way, a pressure difference can be formed between the second environment and the first environment, so as to ensure that the special-shaped and micro-gap positions in the sealing channel can be effectively filled. Moreover, the sealant is filled into the sealing channel under positive pressure extrusion. Compared with the method of pumping negative pressure for filling, the bubble risk of the sealant can be reduced. In addition, only a negative pressure environment needs to be provided, and after a first preset time, the first environment is depressurized, which is simple to operate and can simplify the steps of sealing the structural member. In addition, a negative pressure environment is easy to provide, and an air environment is also easy to provide. Therefore, the sealing cost of the structural member can be reduced.

[0020] In a possible implementation, the first environment is a standard atmospheric pressure environment or an air environment.

[0021] When the first environment is set as a standard atmospheric pressure environment or an air environment, the second environment can be set as an environment with a pressure greater than that of a standard atmospheric pressure environment or an air environment. In this way, a pressure difference can be formed between the second environment and the first environment, so as to ensure that the special-shaped and micro-gap positions in the sealing channel can be effectively filled. Moreover, the sealant is filled into the sealing channel under positive pressure extrusion. Compared with the method of pumping negative pressure for filling, the bubble risk of the sealant can be reduced. In addition, a standard atmospheric pressure environment or an air environment is easy to obtain, and to obtain the second environment, only the first environment needs to be pressurized, which is convenient to operate. In this way, the sealing cost of the structural member can be reduced.

[0022] In a possible implementation, when the first environment is a negative pressure environment, before injecting a preset volume of sealant into the sealing channel from the first opening, it further includes obtaining the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member. Adjust the negative pressure value of the first environment according to one or more of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0023] By obtaining the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member before injecting a preset volume of sealant into the sealing channel from the first opening, and adjusting the negative pressure value of the first environment according to one or more of these parameters, the accuracy of the negative pressure value of the first environment can be improved, thereby enhancing the sealing efficiency.

[0024] In a possible implementation, when the first environment is a standard atmospheric pressure environment or an air environment, after injecting a preset volume of sealant into the sealing channel from the first opening, it further includes obtaining the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member. Adjust the air pressure value of the second environment according to one or more of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0025] By obtaining the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member after injecting a preset volume of sealant into the sealing channel from the first opening, and adjusting the air pressure value of the second environment according to one or more of these parameters, the accuracy of the air pressure value of the second environment can be improved, thereby enhancing the sealing efficiency.

[0026] In a possible implementation, before injecting a preset volume of sealant into the sealing channel from the first opening, it further includes obtaining the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member. Determine the first preset time according to one or more of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0027] By obtaining the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member before injecting a preset volume of sealant into the sealing channel from the first opening, and determining the first preset time according to one or more of these parameters, the accuracy of the glue injection time of the structural member in the first environment can be improved, so as to ensure the sealing performance of the sealing channel and enhance the sealing efficiency.

[0028] In a possible implementation, before injecting a preset volume of sealant into the sealing channel from the first opening, it further includes obtaining the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member. Determine the preset volume of the sealant according to one or more of the volume of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, and the material of the structural member.

[0029] By obtaining the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member before injecting a preset volume of sealant into the sealing channel from the first opening, and determining the preset volume of the sealant according to one or more of these parameters, the accuracy of the amount of sealant used in the sealing channel can be improved, which can prevent glue overflow. It can also prevent the problem of poor sealing effect caused by insufficient amount of the sealant. To ensure the sealing performance of the sealing channel and enhance the sealing efficiency.

[0030] In a possible implementation, the size of the first opening is larger than the size of the second opening.

[0031] By setting the size of the first opening larger than that of the second opening, when injecting the sealant into the sealing channel from the first opening, it is convenient for the sealant to be injected into the sealing channel from the first opening, improving the sealing efficiency of the structural member. Since the second opening faces away from the appearance surface of the structural member, setting the size of the second opening larger will not affect the appearance surface of the structural member.

[0032] In a possible implementation, one of the first structural member and the second structural member is a display screen, and the other of the first structural member and the second structural member is a middle frame of the electronic device, and the sealing channel is the gap between the display screen and the middle frame.

[0033] By setting one of the first structural member and the second structural member as the display screen and the other as the middle frame of the electronic device, the middle frame and the display screen can be sealed, thereby improving the waterproof performance of the electronic device applying the structural member.

[0034] In a possible implementation, one of the first structural member and the second structural member is a flexible circuit board. The other of the first structural member and the second structural member is a middle frame or an adapter of the electronic device, and the middle frame or the adapter of the electronic device is provided with a perforation for the flexible circuit board to pass through. The sealing channel is the gap between the flexible circuit board and the inner wall of the perforation. Or, the sealing channel is the gap between the flexible circuit board and the middle frame. Or, the sealing channel is the gap between the middle frame or the adapter.

[0035] By setting one of the first structural member and the second structural member as the flexible circuit board and the other as the middle frame or the adapter, the perforation on the middle frame or the adapter and the flexible circuit board can be sealed, thereby improving the waterproof performance of the electronic device applying the structural member.

[0036] In a possible implementation, one of the first structural member and the second structural member is a screw or a bolt. The other of the first structural member and the second structural member is an adapter, and the adapter is provided with a threaded hole for the screw or the bolt to pass through. The sealing channel is the gap between the screw or the bolt and the inner wall of the threaded hole.

[0037] By setting one of the first structural member and the second structural member as the screw or the bolt and the other as the adapter, the threaded hole on the adapter and the bolt or the screw can be sealed, thereby improving the waterproof performance of the electronic device applying the structural member.

[0038] A second aspect of the embodiments of the present application provides an electronic device, including a structural member, the structural member includes a first structural member and a second structural member, and there is a sealed channel between the first structural member and the second structural member. Sealant is provided in the sealed channel, and the sealant is sealed in the sealed channel by any of the above-mentioned structural member sealing methods.

[0039] By sealing the sealant in the sealed channel of the structural member on the electronic device through the above-mentioned structural member sealing method, the sealing performance between the structural members can be improved, and further the waterproof performance of the electronic device can be enhanced. In addition, the appearance beauty of the electronic device can also be ensured.

[0040] In a possible implementation manner, one of the first structural member and the second structural member is the display screen of the electronic device, and the other of the first structural member and the second structural member is the middle frame of the electronic device. The sealed channel is the gap between the display screen and the middle frame.

[0041] By respectively providing the display screen and the middle frame as the first structural member and the second structural member, the sealing performance between the display screen and the middle frame can be improved, and further the waterproof performance of the electronic device can be enhanced.

[0042] In a possible implementation manner, both the display screen and the middle frame have appearance surfaces. Among them, one end of the sealed channel extends to the gap between the appearance surface of the display screen and the appearance surface of the middle frame, and the other end opens towards the inside of the electronic device.

[0043] By providing both the display screen and the middle frame with appearance surfaces, and extending one end of the sealed channel to the gap between the appearance surface of the display screen and the appearance surface of the middle frame, and the other end opening towards the inside of the electronic device. In this way, when sealing the sealed channel, the end of the sealed channel facing the appearance surface of the display screen and the appearance surface of the middle frame can be sealed, thereby ensuring the appearance beauty of the electronic device.

[0044] In a possible implementation manner, one of the first structural member and the second structural member is the flexible circuit board of the electronic device, and the other of the first structural member and the second structural member is the middle frame or adapter of the electronic device. There is a perforation on the middle frame or adapter of the electronic device for the flexible circuit board to pass through, and the sealed channel is the gap between the flexible circuit board and the inner wall of the perforation. Or, the sealed channel is the gap between the middle frame or the adapter.

[0045] By setting one of the first structural member and the second structural member as a flexible circuit board and the other of the first structural member and the second structural member as a middle frame or an adapter, the perforations on the middle frame or the adapter and the flexible circuit board can be sealed, thereby improving the waterproof performance of the electronic device.

[0046] In a possible implementation, one of the first structural member and the second structural member is a screw or a bolt on the electronic device. The other of the first structural member and the second structural member is an adapter on the electronic device, and a threaded hole for the screw or the bolt to pass through is provided on the adapter. The sealing channel is the gap between the screw or the bolt and the inner wall of the threaded hole.

[0047] By setting one of the first structural member and the second structural member as a screw or a bolt and the other of the first structural member and the second structural member as an adapter, the threaded hole on the adapter and the bolt or the screw can be sealed, thereby improving the waterproof performance of the electronic device using the same.

[0048] In a possible implementation, the sealing channel has a sealing end and a glue injection end. Among them, the size of the glue injection end is larger than the size of the sealing end, and the glue injection end is located inside the electronic device.

[0049] By setting the size of the glue injection end to be larger than that of the sealing end. In this way, when injecting the sealant into the sealing channel from the glue injection end, it is convenient for the sealant to be injected into the sealing channel from the glue injection end, improving the sealing efficiency of the structural member. By setting the glue injection end to be located inside the electronic device, even if the size of the glue injection end is set to be larger, it will not affect the appearance surface of the structural member. In addition, when the sealing end faces the appearance surface of the structural member, the aesthetics of the appearance surface of the electronic device can be improved. Description of the Drawings

[0050] Figure 1 It is a schematic structural diagram of a structural member;

[0051] Figure 2 It is a schematic structural diagram of a structural member;

[0052] Figure 3 It is a schematic structural diagram of a structural member;

[0053] Figure 4 It is a schematic flow diagram of the sealing method of the structural member provided by the embodiment of the present application;

[0054] Figure 5 It is a schematic structural diagram of a structural member provided by the embodiment of the present application;

[0055] Figure 6 It is a schematic structural diagram of a structural member provided by the embodiment of the present application;

[0056] Figure 7 Schematic structural diagram of the second opening of the sealing channel of a structural member provided by an embodiment of the present application being sealed;

[0057] Figure 8 Schematic structural diagram of the second opening of the sealing channel of a structural member provided by an embodiment of the present application being sealed;

[0058] Figure 9 Schematic flow diagram for obtaining the preset volume of sealant in the sealing method of a structural member provided by an embodiment of the present application;

[0059] Figure 10 Schematic structural diagram when injecting glue into the first opening of the sealing channel of a structural member provided by an embodiment of the present application;

[0060] Figure 11 Schematic flow diagram for obtaining the first preset time in the sealing method of a structural member provided by an embodiment of the present application;

[0061] Figure 12 Schematic structural diagram of a structural member being placed in a second environment provided by an embodiment of the present application;

[0062] Figure 13 Schematic flow diagram of a sealing method of a structural member provided by an embodiment of the present application;

[0063] Figure 14 Schematic structural diagram of the sealing structure of the second opening of the sealing channel of a structural member provided by an embodiment of the present application being removed;

[0064] Figure 15 Schematic flow diagram for obtaining the negative pressure value of the first environment in the sealing method of a structural member provided by an embodiment of the present application;

[0065] Figure 16 Schematic flow diagram for obtaining the air pressure value of the second environment in the sealing method of a structural member provided by an embodiment of the present application;

[0066] Figure 17 Schematic exploded view of an electronic device provided by an embodiment of the present application.

[0067] Description of reference numerals:

[0068] 100 - Structural member; 10 - First structural member; 11 - Second structural member;

[0069] 12 - Sealing channel; 121 - First opening; 122 - Second opening;

[0070] 13 - Sealant; 14 - Sealing structure; 141 - Sealing portion;

[0071] 142 - Fixed part; 15 - Appearance surface; 20 - First component;

[0072] 30 - Second component; 40 - Gap; 41 - End glue injection;

[0073] 42 - Non - end glue injection; 44 - Appearance surface; 50 - Sealant;

[0074] 200 - Electronic device; 210 - Display screen; 220 - Middle frame;

[0075] 230 - Flexible circuit board; 240 - Housing; 250 - Battery. Detailed implementation manners

[0076] The terms used in the implementation manners part of this application are only used to explain the specific embodiments of this application, rather than being intended to limit this application.

[0077] Unless otherwise required by the context, throughout the specification and claims, the term "comprise" and its other forms, such as the third - person singular form "comprises" and the present participle form "comprising", are interpreted as open and inclusive, that is, "including, but not limited to". In the description of the specification, the terms "one embodiment", "some embodiments", "exemplary embodiments", "example" or "some examples", etc., are intended to indicate that the specific features, structures, materials or characteristics related to the embodiment or example are included in at least one embodiment or example of the present disclosure. The schematic representations of the above - mentioned terms are not necessarily referring to the same embodiment or example. In addition, the specific features, structures, materials or characteristics may be included in any one or more embodiments or examples in any appropriate manner.

[0078] In addition, in this application, orientation terms such as "front" and "rear" are defined relative to the orientation of the components shown in the drawings. It should be understood that these directional terms are relative concepts, which are used for relative description and clarification, and they can change accordingly with the change of the orientation of the components placed in the drawings.

[0079] In the embodiments of this application, "and / or" is merely a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this article generally represents an "or" relationship between the associated objects before and after.

[0080] In recent years, with the continuous improvement of people's material and cultural living standards, the types and functions of electronic products have become more and more diverse, and consumers' requirements for the waterproof performance of electronic products have become higher and higher. In order to meet the waterproof specifications of consumer electronic products, it is necessary to seal the through holes in the electronic products.

[0081] It can be understood that an electronic product is an electronic device. Generally, an electronic device can include multiple components. When assembling the electronic device, some through holes for connection are usually provided. A connecting member is arranged in the through hole to connect two components. In this way, there will be some gaps between the connecting member and the inner wall of the through hole and the adjacent components. If these gaps cannot be sealed, the waterproof performance of the electronic device will be affected, thus failing to meet the needs of consumers for the electronic device.

[0082] Generally, in order to seal the gaps in an electronic device, the method of injecting sealant into the gaps can be adopted to seal the gaps on the electronic device.

[0083] Exemplarily, as Figure 1 shown, an electronic device includes a first component 20 and a second component 30. Among them, a gap 40 is formed between the first component 20 and the second component 30. In order to ensure the sealing performance of the electronic device, it is necessary to inject sealant 50 into the gap 40 of the electronic device. Among them, the sealant can be directly injected at one end of the gap 40, and rely on the fluidity of the sealant 50 itself to flow into the gap 40, thereby sealing the gap 40.

[0084] Exemplarily, the gap 40 includes a glue injection end 41 and a non - glue injection end 42. Among them, the injection end of the sealant is used as the glue injection end 41. Exemplarily, the glue injection end 41 of the gap 40 faces the inside of the electronic device. The non - glue injection end 42 of the gap 40 faces the appearance surface 44 of the electronic device.

[0085] It should be noted that the appearance surface of an electronic device refers to the outer surface of the electronic device. In other words, when in use, the surface of the electronic device that can be seen by the user is the appearance surface. The appearance surface of a structural member refers to the side facing the user when the first component 20 and the second component 30 are assembled into the electronic device. The appearance surface 44 of the first component 20 and the second component 30 refers to the side facing the user when the first component 20 and the second component 30 are assembled into the electronic device. It can be understood that when the first component 20 and the second component 30 are inside the electronic device, the appearance surface 44 can be any one side of the first component 20 and the second component 30.

[0086] Continue to refer to Figure 1As shown, when the viscosity of the sealant 50 is low, the sealant 50 has good fluidity, so it is easy to overflow or leak, resulting in poor appearance of the electronic device. In some cases, the sealant 50 will flow out of the gap 40 and will not have any sealing effect at all.

[0087] like Figure 2 As shown, when the viscosity of the sealant 50 is high, the fluidity of the sealant 50 itself is poor, and the sealant 50 cannot flow into the gap 40 by relying on its own fluidity, especially when there is an irregular area in the gap 40, or the size of the gap 40 is small, the sealant 50 accumulates at the injection end of the gap 40 and cannot seal the gap 40 at all.

[0088] like Figure 3 As shown, in the following embodiment, glue can also be injected at the glue injection end 41 of the gap 40, and negative pressure is applied at the non-glue injection end 42 of the gap 40 to suck the sealant 50 into the gap 40 so that the gap 40 is sealed. Although this allows the sealant 50 to flow into the special-shaped micro-gap 40, bubbles will be generated in the sealant 50 by means of negative pressure. In other words, this will reduce the bubble removal performance of the sealant 50, so that bubbles exist in the sealant 50 located in the gap 40, the sealing performance is unstable, which is easy to cause water leakage, resulting in poor waterproof performance of the electronic device.

[0089] In addition, the method of applying negative pressure at one end of the gap 40 cannot solve the problem of glue overflow or leakage on the appearance surface 44 of the first component 20 and the second component 30, resulting in poor aesthetics of the appearance surface 44 of the electronic device.

[0090] Based on the above technical problems, the embodiments of the present application provide a sealing method for a structural component and an electronic device. The sealing method for a structural component can prevent glue overflow or leakage by sealing one end of the gap and injecting glue at the other end of the gap. The structural component is first injected with glue in a first environment and then placed in a second environment, and the pressure difference between the first environment and the second environment is utilized. The remaining part of the sealant or all the sealant entering the sealing channel is sealed and filled in the sealing channel to ensure that the irregular shapes and micro-slits in the sealing channel can be effectively filled.

[0091] The sealing method of the structural component and the electronic device provided in the embodiments of the present application are described in detail below in conjunction with the accompanying drawings.

[0092] Figure 4 A schematic flow chart of a method for sealing a structural member provided in an embodiment of the present application. Figure 5 A schematic diagram of the structure of the structural parts provided in the embodiment of the present application. Figure 6 A schematic diagram of the structure of a structural component provided in an embodiment of the present application.

[0093] An embodiment of the present application provides a method for sealing a structural member, as Figure 4 shown, the sealing method may include the following steps.

[0094] S101. Provide a structural member, the structural member includes a first structural member and a second structural member, there is a sealing channel between the first structural member and the second structural member, and the sealing channel includes a first opening and a second opening.

[0095] S102. Place the structural member in a first environment, and the second opening is in a sealed state.

[0096] S103. Inject a preset volume of sealant into the sealing channel from the first opening. In the first environment, the sealant automatically flows towards the second opening.

[0097] S104. After a first preset time, place the structural member in a second environment, and the pressure of the second environment is greater than the pressure of the first environment, so that the sealant is hermetically filled in the sealing channel under the pressure difference between the second environment and the first environment.

[0098] For the structural member sealing method provided by the embodiment of the present application, by sealing the second opening of the sealing channel, the problems of glue overflow or glue leakage after the sealing channel is sealed can be prevented, and the amount of sealant used can be controlled. By first placing the structural member in the first environment and injecting a preset volume of sealant into the sealing channel from the first opening, the amount of sealant used can be controlled, and the sealant can be injected into the sealing channel.

[0099] By placing the structural member in the second environment after the first preset time, part or all of the sealant can be injected into the sealing channel when in the first environment.

[0100] By setting the pressure of the second environment to be greater than the pressure of the first environment, the remaining part of the sealant or all of the sealant entering the sealing channel can be hermetically filled in the sealing channel by using the pressure difference between the second environment and the first environment, ensuring that positions such as special shapes and micro-cracks in the sealing channel can be effectively filled.

[0101] In addition, the sealant is filled in the sealing channel under positive pressure extrusion. Compared with the method of filling by pumping negative pressure, the risk of air bubbles in the sealant can be reduced.

[0102] It should be noted that for the convenience of description, in the embodiment of the present application, the end of the sealing channel where glue is injected is used as the glue injection end. In the embodiment of the present application, the first opening is the glue injection end. The end of the sealing channel where no glue is injected is the non-glue injection end. In the embodiment of the present application, the second opening is the non-glue injection end.

[0103] The following details step S101.

[0104] AsFigure 5 As shown, the structural member 100 includes a first structural member 10 and a second structural member 11. There is a sealed channel 12 between the first structural member 10 and the second structural member 11. The sealed channel 12 includes a first opening 121 and a second opening 122. The first opening 121 is the glue injection end of the sealed channel 12, and the second opening 122 is the non-glue injection end of the sealed channel 12.

[0105] It should be noted that in step S101, the first structural member 10 and the second structural member 11 in the structural member 100 are not further limited. Exemplarily, the structural member 100 can be a component on an electronic device. Hereinafter, an example where the structural member 100 is a component on an electronic device will be used for illustration.

[0106] Exemplarily, the electronic device can include a display screen, a middle frame, a flexible circuit board, an adapter, screws or bolts, etc.

[0107] In a possible implementation manner, one of the first structural member 10 and the second structural member 11 is the display screen of the electronic device, and the other of the first structural member 10 and the second structural member 11 is the middle frame of the electronic device. A sealed channel 12 is formed between the display screen and the middle frame, and the sealed channel 12 is the gap between the display screen and the middle frame.

[0108] By setting one of the first structural member 10 and the second structural member 11 as the display screen and the other of the first structural member 10 and the second structural member 11 as the middle frame of the electronic device, the middle frame and the display screen can be sealed, thereby improving the waterproof performance of the electronic device applying the structural member 100.

[0109] In a possible implementation manner, one of the first structural member 10 and the second structural member 11 is a flexible circuit board. The other of the first structural member 10 and the second structural member 11 is the middle frame or the adapter of the electronic device. There is a perforation on the middle frame or the adapter of the electronic device for the flexible circuit board to pass through. During assembly, the flexible circuit board can be threaded through the perforation and the flexible circuit board can be connected to the middle frame or the adapter. Among them, the sealed channel 12 can be the gap between the flexible circuit board and the inner wall of the perforation.

[0110] Of course, in some other embodiments, the connection relationship between the flexible circuit board and the middle frame or the adapter can also be in other forms. For example, one of the first structural member 10 and the second structural member 11 is a flexible circuit board, and the other of the first structural member 10 and the second structural member 11 is the middle frame or the adapter of the electronic device. A sealed channel 12 is formed between the flexible circuit board and the middle frame or the adapter. Among them, the sealed channel 12 is the gap between the flexible circuit board and the middle frame or the adapter.

[0111] By setting one of the first structural member 10 and the second structural member 11 as a flexible circuit board and the other of the first structural member 10 and the second structural member 11 as a middle frame or an adapter, the perforations on the middle frame or the adapter and the flexible circuit board can be sealed, thereby improving the waterproof performance of the electronic device applying the structural member 100.

[0112] In a possible implementation, one of the first structural member 10 and the second structural member 11 is a screw or a bolt. The other of the first structural member 10 and the second structural member 11 is an adapter, and the adapter is provided with a threaded hole for the screw or the bolt to pass through. The sealing channel 12 is the gap between the screw or the bolt and the inner wall of the threaded hole.

[0113] By setting one of the first structural member 10 and the second structural member 11 as a screw or a bolt and the other of the first structural member 10 and the second structural member 11 as an adapter, the threaded hole on the adapter and the bolt or the screw can be sealed, thereby improving the waterproof performance of the electronic device applying the structural member 100.

[0114] It should be noted that the adapter can be a rotating shaft structure or other adapters for connecting two components. In the embodiments of the present application, the specific structure of the adapter is not further limited.

[0115] In addition, in other embodiments, the first structural member 10 and the second structural member 11 include but are not limited to the above-mentioned structural members. In other embodiments, the first structural member 10 and the second structural member 11 can also be other components on the electronic device, as long as the above-mentioned sealing channel 12 is formed between the first structural member 10 and the second structural member 11.

[0116] In a possible implementation, the provided structural member 100 includes an appearance surface 15 formed on at least one of the first structural member 10 and the second structural member 11. The second opening 122 extends to the appearance surface 15.

[0117] Exemplarily, the appearance surface 15 is formed on both the first structural member 10 and the second structural member 11. For example, the display screen and the middle frame of the electronic device. Or, the appearance surface 15 is formed on one of the first structural member 10 and the second structural member 11. For example, the middle frame and the flexible circuit board of the electronic device.

[0118] It should be noted that the appearance surface 15 refers to the outer surface of the electronic device. In other words, when in use, the surface of the electronic device that can be seen by the user is the appearance surface 15. That is to say, at least one of the first structural member 10 and the second structural member 11 is the outer surface of the electronic device.

[0119] By forming an appearance surface 15 on at least one of the first structural member 10 and the second structural member 11 and extending the second opening 122 to the appearance surface 15, since the second opening 122 is in a sealed state before injecting the sealant, it can ensure that there is no problem of sealant leakage or overflow on the appearance surface 15 of the structural member 100, and ensure that the appearance surface 15 is flat and beautiful.

[0120] It should be noted that in the embodiments of the present application, the shape of the sealing channel 12 is not further limited. It can be understood that the shape of the sealing channel 12 is related to the shapes of the first structural member 10 and the second structural member 11. For example, as Figure 5 shown, when the partial structures of the first structural member 10 and the second structural member 11 that form the sealing channel 12 are both flat planes, the sealing channel 12 can be a channel with a flat inner wall. As Figure 6 shown, when the partial structures of the first structural member 10 and the second structural member 11 that form the sealing channel 12 have bends or irregular shapes, the sealing channel 12 is a channel with an uneven inner surface, that is, the sealing channel 12 has irregularities inside.

[0121] In a possible implementation manner, as Figure 6 shown, the size of the first opening 121 of the sealing channel 12 can be set larger than the size of the second opening 122.

[0122] By setting the size of the first opening 121 larger than the second opening 122, when injecting the sealant 13 into the sealing channel 12 from the first opening 121, it is convenient to inject the sealant 13 into the sealing channel 12 from the first opening 121, improving the sealing efficiency of the structural member 100. Since the second opening 122 faces away from the appearance surface 15 of the structural member 100, setting the size of the second opening 122 larger will not affect the appearance surface 15 of the structural member 100.

[0123] In some embodiments, step S102 can specifically be to first place the structural member 100 in the first environment and then seal the second opening 122. Of course, in other embodiments, step S102 can also specifically be to first seal the second opening 122 and then place the structural member 100 with the second opening 122 in a sealed state in the first environment. In the embodiments of the present application, the order of sealing the second opening 122 and placing the structural member 100 in the first environment is not further limited. After step S102, the structural member 100 is as Figure 7 shown, and the second opening 122 of the sealing channel 12 of the structural member 100 is in a sealed state.

[0124] Next, the sealing method of the second opening 122 will be described.

[0125] In a possible implementation, before or after placing the structural member 100 in the first environment, it may further include providing a sealing structure 14 at the second opening 122 for sealing the second opening 122, so that the second opening 122 is in a sealed state.

[0126] By providing a sealing structure 14 at the second opening 122 for sealing the second opening 122, so that the second opening 122 is in a sealed state, this can ensure that there is no glue leakage or overflow at the second opening 122. And it can ensure that the outside of the second opening 122 is relatively flat. In this way, when the second opening 122 faces the appearance surface 15 of the structural member 100, the cleanliness and aesthetics of the appearance surface 15 can be ensured.

[0127] It should be noted that different sealing structures 14 can be selected to seal the second opening 122 in different scenarios. For example, when the non-injection end of the sealing channel 12 is an irregular special shape, the sealing structure 14 can be provided to include a peelable sealant 13. The second opening 122 is sealed by pasting the peelable sealant 13 on the second opening 122. Since the shape of the peelable sealant 13 can change with the shape of the second opening 122, the sealing effect at the second opening 122 can be improved in this way. In addition, the peelable sealant 13 is convenient to remove. After the sealing channel 12 is sealed and the sealing structure 14 is removed, the difficulty of removing the sealing structure 14 can be reduced, and thus the sealing cost of the structural member 100 can be reduced.

[0128] When the non-injection end of the sealing channel 12 is a regular shape, the sealing structure 14 can be provided as a structure including a fixture. Among them, part of the structure of the fixture is provided at the second opening 122 and is hermetically connected to the second opening 122.

[0129] Exemplarily, as Figure 8 shown, the second opening 122 of the sealing channel 12 is flush with the first structural member 10 and the second structural member 11. The fixture includes a sealing portion 141 and a fixing portion 142. Among them, the structural member 100 is fixedly connected to the fixing portion 142 of the fixture. The sealing portion 141 of the fixture is located at the second opening 122. By clamping the sealing portion 141 in the direction close to the second opening 122 (F in the figure represents the clamping force), the second opening 122 can be sealed. Of course, in other embodiments, the second opening 122 can also be sealed by other operations using this fixture. In the embodiments of the present application, the specific operation of using the fixture to seal the second opening 122 is not further limited. In addition, the specific structure of the fixture is not further limited.

[0130] By providing the sealing structure 14 with a fixture, it is only necessary to place the structural member 100 on the fixture, and through certain operations, the second opening 122 can be sealed. This can simplify the procedure for sealing the second opening 122 of the sealing channel 12, thereby improving the sealing efficiency of the structural member 100 and facilitating industrial production.

[0131] The following provides a detailed description of step S103.

[0132] Injecting a preset volume of sealant 13 into the sealing channel 12 from the first opening 121 specifically may include obtaining a preset volume of sealant 13 and then injecting the preset volume of sealant 13 into the first opening 121.

[0133] Among them, as Figure 9 shown, obtaining the preset volume of sealant 13 may include the following steps.

[0134] S201. Obtain the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble-removing performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0135] S202. Determine the preset volume of the sealant based on one or more of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble-removing performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0136] It should be noted that since the preset volume of the sealant is related to the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble-removing performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member, obtaining the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble-removing performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member and obtaining the preset volume of the sealant based on these parameters are relatively accurate. The amount of glue can be accurately controlled, thereby ensuring the stability of the seal and saving costs.

[0137] Exemplarily, the preset volume of the sealant can be determined based on one of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member. The preset volume of the sealant can also be jointly determined based on all of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member. The preset volume of the sealant can also be jointly determined by the volume of the sealing channel, the viscosity of the sealant, and the curing method of the sealant. In the embodiments of the present application, the number of parameters for determining the preset volume of the sealant is not further limited.

[0138] Of course, in some other embodiments, the preset volume of the sealant can also be determined by obtaining other parameters.

[0139] Exemplarily, the method for obtaining the preset volume of the sealant may further include obtaining one or more of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0140] Determine the preset volume of the sealant according to the data information of one or more of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member obtained.

[0141] In the embodiments of the present application, the specific method for obtaining the preset volume of the sealant is not further limited.

[0142] It should be noted that the preset volume of the sealant should be determined before injecting a preset volume of the sealant into the sealing channel from the first opening. By obtaining the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member before injecting a preset volume of the sealant into the sealing channel from the first opening, and determining the preset volume of the sealant according to one or more of the above parameters, the accuracy of the amount of the sealant used in the sealing channel can be improved, and overflows can be prevented. It can also prevent the problem of poor sealing effect caused by insufficient amount of the sealant. To ensure the sealing performance of the sealing channel 12 and improve the sealing efficiency.

[0143] Of course, in some other embodiments, the preset volume of the sealant can also be obtained after providing the structural member. In the implementation of the present application, the obtaining time of the preset volume of the sealant is not further limited.

[0144] In step S103, when injecting glue into the first opening 121 of the sealing channel 12, as shown in the structural member 100 Figure 10 shown, the sealant 13 automatically flows towards the second opening 122 by virtue of its own fluidity.

[0145] The following describes step S104.

[0146] After the first preset time, placing the structural member 100 in the second environment specifically includes obtaining the first preset time, and then placing the structural member 100 in the second environment after the first preset time.

[0147] Among them, as Figure 11 shown, obtaining the first preset time specifically includes the following steps.

[0148] S301. Obtain the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharge performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0149] S302. Determine the first preset time according to one or more of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharge performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0150] It should be noted that since the first preset time is related to the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharge performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member, obtaining the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharge performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member, and obtaining the first preset time based on these parameters is relatively accurate. It can ensure that within the first preset time, most or all of the sealant enters the sealing channel to ensure that when the structural member is placed in the second environment, the sealant can be compacted in the sealing channel, thereby completely sealing the sealing channel.

[0151] Exemplarily, the first preset time can be determined according to one of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member. The first preset time can also be jointly determined according to all of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member. The first preset time can also be determined jointly by the volume of the sealing channel, the viscosity of the sealant, and the curing method of the sealant. In the embodiments of the present application, the number of parameters for determining the first preset time is not further limited.

[0152] Of course, in some other embodiments, the first preset time can also be determined by obtaining other parameters.

[0153] Exemplarily, the method for obtaining the first preset time may further include obtaining one or more of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0154] The first preset time is determined according to the data information of one or more of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member obtained.

[0155] In the embodiments of the present application, the specific manner of obtaining the first preset time is not further limited.

[0156] It should be noted that the first preset time should be determined before injecting a preset volume of sealant into the sealing channel from the first opening. By obtaining the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member before injecting a preset volume of sealant into the sealing channel from the first opening, and determining the first preset time according to one or more of the above parameters, the accuracy of the glue injection time of the structural member in the first environment can be improved, so as to ensure the sealing performance of the sealing channel and improve the sealing efficiency.

[0157] In step S104, after the structural member 100 is placed in the second environment, the structural member 100 is as Figure 12 shown, and the sealant 13 is hermetically filled in the sealing channel 12 under the pressure difference between the second environment and the first environment.

[0158] In some other embodiments, such as Figure 13As shown, after the structural member 100 is placed in the second environment, it further includes: S105. After a second preset time, the sealing structure is removed from the second opening.

[0159] After step S105, the structural member 100 is as Figure 14 shown. The sealing channel 12 of the structural member 100 is sealed, and the sealing structure 14 at the second opening 122 is removed. A sealed state exists between the first structural member 10 and the second structural member 11. Also, the second opening 122 is relatively flat, without problems of glue overflow and glue leakage.

[0160] By removing the sealing mechanism from the second opening 122 after the structural member 100 is placed in the second environment and after a second preset time, there are no redundant components on the structural member 100, thereby simplifying the structure of the structural member 100. And when the second opening 122 faces the appearance surface 15 of the structural member 100, the aesthetics of the structural member 100 can be improved.

[0161] Among them, the determination method of the second preset time can be the same as the confirmation method of the first preset time. Of course, in some other embodiments, the second preset time can also be set to the time required for the sealant 13 to completely solidify. This can ensure that the sealant 13 is completely solidified, and when the sealing structure 14 is removed, it is ensured that the sealing performance of the sealant 13 will not be damaged.

[0162] Next, the pressures of the first environment and the second environment are described.

[0163] In a possible implementation, the first environment is a negative pressure environment. Since the pressure of the second environment is greater than that of the first environment, in a possible implementation, the second environment can be set to a standard atmospheric pressure environment or an air environment. This can form a pressure difference between the second environment and the first environment, so as to ensure that the special-shaped and micro-gap positions in the sealing channel 12 can be effectively filled. And the sealant 13 is filled into the sealing channel 12 under positive pressure extrusion. Compared with the method of pumping negative pressure for filling, the bubble risk of the sealant 13 can be reduced. In addition, only a negative pressure environment needs to be provided, and after the first preset time, the first environment is depressurized, which is simple to operate and can simplify the steps of the sealing structure 14 of the member 100. In addition, a negative pressure environment is easy to provide, and an air environment is also easy to provide. Therefore, this can reduce the sealing cost of the structural member 100.

[0164] It should be noted that the specific air pressure of the air environment is related to the temperature, altitude, etc. of the environment. In the embodiments of the present application, the air environment refers to the air environment in daily life, which can also be called the external environment, etc., that is, the natural environment. Therefore, the air pressure in the air environment is close to a standard atmospheric pressure.

[0165] AsFigure 15 As shown, when the first environment is a negative pressure environment, the method for obtaining the negative pressure value of the first environment may include.

[0166] S401. Obtain the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0167] S402. Adjust the negative pressure value of the first environment according to one or more of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0168] It should be noted that since the negative pressure value of the first environment is related to the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member, obtaining the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member and obtaining the negative pressure value of the first environment based on these parameters are relatively accurate. It can ensure that the defoaming performance of the sealant entering the sealing channel is good in the first environment, thereby ensuring the sealing stability of the sealing channel.

[0169] Exemplarily, the negative pressure value of the first environment can be determined according to one of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member. It can also be jointly determined according to all of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member. The negative pressure value of the first environment can also be jointly determined by the volume of the sealing channel, the viscosity of the sealant, and the curing method of the sealant. In the embodiments of the present application, there is no further limitation on the number of parameters for determining the negative pressure value of the first environment.

[0170] Of course, in some other embodiments, the negative pressure value of the first environment can also be determined by obtaining other parameters.

[0171] Exemplarily, the method for obtaining the negative pressure value of the first environment may further include obtaining one or more of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0172] Determine the negative pressure value of the first environment according to the data information of one or more of the volume of the sealed channel, the shape of the sealed channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharge performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0173] In the embodiments of the present application, the specific method for obtaining the negative pressure value of the first environment is not further limited.

[0174] It should be noted that when the first environment is a negative pressure environment, the negative pressure value of the first environment can be obtained before injecting a preset volume of sealant 13 from the first opening 121 into the sealed channel 12. By obtaining the volume of the sealed channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharge performance of the sealant under positive pressure extrusion, and the material of the structural member before injecting a preset volume of sealant 13 from the first opening 121 into the sealed channel 12, and adjusting the negative pressure value of the first environment according to one or more of the above parameters, the accuracy of the negative pressure value of the first environment can be improved, thereby enhancing the sealing efficiency.

[0175] In some other embodiments, the first environment can also be set to a standard atmospheric pressure environment or an air environment.

[0176] When the first environment is set to a standard atmospheric pressure environment or an air environment, the second environment can be set to an environment with a pressure higher than that of a standard atmospheric pressure environment or an air environment, so as to form a pressure difference between the second environment and the first environment, thereby ensuring that the special-shaped and micro-gap positions in the sealed channel 12 can be effectively filled. Moreover, the sealant 13 is filled into the sealed channel 12 under positive pressure extrusion. Compared with the method of filling by pumping negative pressure, the bubble risk of the sealant 13 can be reduced. In addition, a standard atmospheric pressure environment or an air environment is easily obtained, and to obtain the second environment, only the first environment needs to be pressurized, which is convenient for operation, thereby reducing the sealing cost of the structural member 100.

[0177] As Figure 16 shown, when the first environment is set to a standard atmospheric pressure environment or an air environment, the method for obtaining the air pressure value of the second environment can include.

[0178] S501. Obtain the volume of the sealed channel, the shape of the sealed channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharge performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0179] S502. Adjust the air pressure value of the second environment according to one or more of the volume of the sealed channel, the shape of the sealed channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharge performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0180] It should be noted that since the air pressure value of the second environment is related to the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the air bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member, it is more accurate to obtain the air pressure value of the second environment by acquiring the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the air bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member. It can be ensured that under the air pressure of the second environment, the sealant 13 can be compacted in the sealing channel 12, and then the sealing channel 12 can be completely sealed.

[0181] Exemplarily, the air pressure value of the second environment can be determined according to one of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the air bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member. It can also be jointly determined according to all of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the air bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member. The air pressure value of the second environment can also be jointly determined by the viscosity of the sealant and the curing method of the sealant. In the embodiments of the present application, the number of parameters for determining the air pressure value of the second environment is not further limited.

[0182] Of course, in some other embodiments, the air pressure value of the second environment can also be determined by acquiring other parameters.

[0183] Exemplarily, the method for acquiring the air pressure value of the second environment may further include acquiring one or more of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the air bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0184] Determine the air pressure value of the second environment according to the data information of one or more of the acquired volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the air bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

[0185] In the embodiments of the present application, the specific method for acquiring the air pressure value of the second environment is not further limited.

[0186] It should be noted that when the first environment is a standard atmospheric pressure environment or an air environment, after injecting a preset volume of sealant 13 into the sealing channel 12 from the first opening 121, the air pressure value of the second environment can be obtained. After injecting a preset volume of sealant 13 into the sealing channel 12 from the first opening 121, the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member are obtained, and the air pressure value of the second environment is adjusted according to one or more of the above parameters, so that the accuracy of the air pressure value of the second environment can be improved, and the sealing efficiency can be further enhanced.

[0187] It should be noted that in the embodiments of the present application, the obtaining times of the preset volume of the sealant, the first preset time, the air pressure value of the first environment, and the air pressure value of the second environment are not further limited. For example, as introduced in the steps of the above embodiments, all the required parameters, such as the preset volume of the sealant, the first preset time, the air pressure value of the first environment, and the air pressure value of the second environment, can also be obtained in the first step of the entire sealing method, and then the sealing step is carried out. In the embodiments of the present application, the obtaining times of the preset volume of the sealant, the first preset time, the air pressure value of the first environment, the air pressure value of the second environment, and the second preset time are not further limited.

[0188] It should be noted that whether the first environment is set as a negative pressure environment and the second environment is set as an air environment, or the first environment is set as an air environment and the second environment is set as an environment with a pressure greater than that of the air environment, in the process of injecting the glue, one of the environments is an air environment, and the air environment is easy to obtain, so both can reduce the process steps of injecting the glue, and thus reduce the injection cost.

[0189] It should be noted that the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member will affect parameters such as the glue injection time, the glue injection amount, and the glue injection air pressure of the structural member. However, parameters such as the glue injection time, the glue injection amount, and the glue injection air pressure will affect the preset volume of the sealant, the first preset time, the air pressure value of the first environment, and the air pressure value of the second environment.

[0190] Therefore, by determining the preset volume of the sealant, the first preset time, the air pressure value of the first environment, and the air pressure value of the second environment through one or more of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the bubble discharging performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member, the accuracy of glue injection can be improved, the waste of the sealant can be reduced, and the problem that the sealant amount is insufficient and cannot be completely sealed can be prevented.

[0191] It should be noted that, in the above embodiments, the material of the structural member includes the material of the first structural member and the material of the second structural member. The surface treatment method of the structural member includes the surface treatment method of the first structural member and the surface treatment method of the second structural member. During the process of the sealant flowing from the first opening of the seal channel to the second opening, part of the sealant will penetrate into the structural member from the surface of the structural member, and some sealant will adhere to the surface of the structural member, which will affect the preset volume of the sealant, the first preset time, the air pressure value of the first environment, and the air pressure value of the second environment.

[0192] However, the material and surface treatment method of the structural member will affect the fluidity and wettability of the sealant on the surface of the structural member. Among them, wettability can be understood as the ability of the sealant to penetrate from the surface of the structural member into the interior of the structural member. Good wettability means that most of the sealant can penetrate from the surface of the structural member into the structural member. Poor wettability means that a small part of the sealant can penetrate from the surface of the structural member into the interior of the structural member. That is to say, the material and surface treatment method of the structural member can affect the preset volume of the sealant, the first preset time, the air pressure value of the first environment, and the air pressure value of the second environment.

[0193] Exemplarily, when the material of the structural member is plastic and metal, the fluidity and wettability of the sealant on the surface of the structural member are different. Therefore, by determining the preset volume of the sealant, the first preset time, the air pressure value of the first environment, and the air pressure value of the second environment according to the material of the structural member, the accuracy of the preset volume of the sealant, the first preset time, the air pressure value of the first environment, and the air pressure value of the second environment can be improved, waste of the sealant can be avoided, time can be saved, and the problem that the sealant cannot be completely sealed due to insufficient amount of the sealant can be prevented.

[0194] Similarly, when the surface treatment methods of the structural members are different, the fluidity and wettability of the sealant on the surface of the structural members are different. Therefore, by determining the preset volume of the sealant, the first preset time, the air pressure value of the first environment, and the air pressure value of the second environment according to the material of the structural member, the accuracy of glue injection can be improved, waste of the sealant can be reduced, and the problem that the sealant cannot be completely sealed due to insufficient amount of the sealant can be prevented.

[0195] Exemplarily, the surface treatment method of the structural member may include electroplating, painting, chemical oxidation, thermal spraying, etc. In the embodiments of the present application, the surface treatment method of the structural member is not further limited.

[0196] It should be noted that both the volume and shape of the sealing channel can affect the preset volume of the sealant, the first preset time, the air pressure value of the first environment, and the air pressure value of the second environment. For example, if the same sealing effect is to be achieved, then for a sealing channel with a larger volume and a sealing channel with a smaller volume, the parameters such as the preset volume of the sealant, the first preset time, the air pressure value of the first environment, and the air pressure value of the second environment need to be set differently. For example, the preset volume of the sealant for the sealing channel with a larger volume should be greater than the preset volume of the sealant for the sealing channel with a smaller volume, etc.

[0197] In addition, the shape of the sealing channel can be an annular gap, or an annular gap with a bend in the middle (as Figure 6 shown), or a narrow gap. The shape of the sealing channel will affect the time for the sealant to enter the sealing channel. The longer the sealing time, the longer the time for the sealant to flow on the surface of the sealing channel. The longer the injection time, the more the sealant penetrates into the inner wall of the structural member. Therefore, the shape of the sealing channel will also affect the amount of the sealant and the injection time.

[0198] In addition, the viscosity of the sealant, the curing method of the sealant, and the defoaming performance of the sealant under positive pressure extrusion will all affect the preset volume of the sealant, the first preset time, the air pressure value of the first environment, and the air pressure value of the second environment. For example, if the viscosity of the sealant is relatively large, the first preset time for injection may be longer, etc. Moreover, the viscosity of the sealant, the curing method of the sealant, and the defoaming performance of the sealant under positive pressure extrusion are related to the type of the sealant. Therefore, these parameters can be determined according to the type of the sealant. In the embodiments of the present application, the specific obtaining methods for the preset volume, the first preset time, the air pressure value of the first environment, and the air pressure value of the second environment are not further limited.

[0199] The embodiments of the present application further provide an electronic device, which may include, but is not limited to, a fixed terminal or a mobile terminal with a camera lens such as a mobile phone, a tablet computer, a notebook computer, an ultra-mobile personal computer (UMPC), a handheld computer, a touch TV, a walkie-talkie, a netbook, a POS machine, a personal digital assistant (PDA), a wearable device, and a virtual reality device.

[0200] In the embodiments of the present application, the electronic device may include a structural member 100, and the structural member 100 may include a first structural member 10 and a second structural member 11. There is a sealing channel 12 between the first structural member 10 and the second structural member 11 (see Figure 5As shown). A sealant 13 is provided in the sealing channel 12, and the sealant 13 is sealed in the sealing channel 12 by the sealing method of the structural member provided in any of the above embodiments. Figure 14 shown.

[0201] By sealing the sealant in the sealing channel of the structural member on the electronic device in the sealing channel through the above-mentioned structural member sealing method, the sealing performance of the structural member can be improved, thereby improving the waterproof performance of the electronic device. In addition, the appearance of the electronic device can also be guaranteed.

[0202] For example, Figure 17 As shown, the electronic device 200 is described as a mobile phone. The electronic device 200 may include a display screen 210, a middle frame 220, a flexible circuit board 230, a housing 240, a battery 250, an adapter, screws or bolts, etc. During assembly, the display screen 210 may be arranged opposite to the housing 240, the middle frame 220 may be arranged between the housing 240 and the display screen 210, and the battery 250 and the flexible circuit board 230 may be arranged between the middle frame 220 and the housing 240.

[0203] In a possible implementation, one of the first structural member 10 and the second structural member 11 is a display screen of an electronic device. The other of the first structural member 10 and the second structural member 11 is a middle frame of the electronic device. The sealing channel 12 is a gap between the display screen and the middle frame (not shown in the figure).

[0204] By respectively arranging the display screen and the middle frame of the first structural member 10 and the second structural member 11, the sealing between the display screen and the middle frame can be improved, thereby improving the waterproof performance of the electronic device.

[0205] In a possible implementation, both the display screen and the middle frame have appearance surfaces, wherein one end opening of the sealing channel 12 extends between the appearance surface of the display screen and the appearance surface of the middle frame, and the other end opening faces the inside of the electronic device.

[0206] By setting the display screen and the middle frame to both have appearance surfaces, and extending one end opening of the sealing channel 12 to between the appearance surfaces of the display screen and the appearance surfaces of the middle frame, and the other end opening toward the inside of the electronic device, when sealing the sealing channel 12, the end of the sealing channel 12 facing the appearance surfaces of the display screen and the appearance surfaces of the middle frame can be sealed, thereby ensuring the aesthetic appearance of the electronic device.

[0207] In a possible implementation, one of the first structural member 10 and the second structural member 11 is a flexible circuit board of the electronic device. The other of the first structural member 10 and the second structural member 11 is a middle frame or an adapter of the electronic device. A through hole for the flexible circuit board to pass through is provided on the middle frame or the adapter of the electronic device, and the sealing channel 12 is a gap between the flexible circuit board and the inner wall of the through hole.

[0208] Of course, in some other embodiments, the connection relationship between the flexible circuit board and the middle frame or the adapter may also be in other forms. For example, one of the first structural member 10 and the second structural member 11 is a flexible circuit board, and the other of the first structural member 10 and the second structural member 11 is a middle frame or an adapter of the electronic device. A sealing channel 12 is formed between the flexible circuit board and the middle frame or the adapter, wherein the sealing channel 12 is a gap between the flexible circuit board and the middle frame or the adapter.

[0209] By setting one of the first structural member 10 and the second structural member 11 as a flexible circuit board and the other as a middle frame or an adapter, the through hole on the middle frame or the adapter and the flexible circuit board can be sealed, thereby improving the waterproof performance of the electronic device applying this structural member.

[0210] In a possible implementation, one of the first structural member 10 and the second structural member 11 is a screw or a bolt. The other of the first structural member 10 and the second structural member 11 is an adapter, and a threaded hole for the screw or the bolt to pass through is provided on the adapter. The sealing channel 12 is a gap between the screw or the bolt and the inner wall of the threaded hole.

[0211] By setting one of the first structural member 10 and the second structural member 11 as a screw or a bolt and the other as an adapter, the threaded hole on the adapter and the bolt or the screw can be sealed, thereby improving the waterproof performance of the electronic device applying this structural member.

[0212] It should be noted that the adapter can be a rotating shaft structure or other adapters for connecting two components. In the embodiments of the present application, the specific structure of the adapter is not further limited.

[0213] In addition, in other embodiments, the first structural member 10 and the second structural member 11 can also be other components on the electronic device, as long as the above-mentioned sealing channel 12 is formed between the first structural member 10 and the second structural member 11.

[0214] In a possible implementation, the sealing channel 12 has a sealing end and a glue injection end. Among them, the size of the glue injection end is larger than the size of the sealing end (see Figure 6As shown, the glue injection end is located inside the electronic device. It should be noted that the sealing end in the embodiments of the present application is the non-glue injection end in the above embodiments.

[0215] By setting the size of the glue injection end to be larger than that of the sealing end. In this way, when injecting the sealant 13 from the glue injection end into the sealing channel 12, it is convenient for the sealant 13 to be injected into the sealing channel 12 from the glue injection end, improving the sealing efficiency of the structural member. Since the glue injection end is set to be located inside the electronic device, setting the size of the glue injection end to be larger will not affect the appearance surface of the structural member. In addition, when the sealing end faces the appearance surface of the structural member, the aesthetics of the appearance surface of the electronic device can be improved.

[0216] It should be noted that the first structural member 10 and the second structural member 11 include, but are not limited to, the above-mentioned display screen and middle frame, flexible circuit board and middle frame, as well as adapters, screws, bolts and adapters, etc. In other embodiments, the first structural member 10 and the second structural member 11 can also be other structures. In the embodiments of the present application, the specific structures of the first structural member 10 and the second structural member 11 are not further limited. As long as there is a sealing channel that needs to be sealed between the first structural member 10 and the second structural member 11, it falls within the protection scope of the embodiments of the present application.

[0217] In the description of the embodiments of the present application, it should be noted that 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, or an indirect connection through an intermediate medium, and can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific situations.

[0218] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the embodiments of the present application and the above drawings are used to distinguish similar objects, and do not necessarily need to describe a specific order or sequence.

[0219] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the embodiments of the present application, and are not intended to limit them; although the embodiments of the present application have been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A sealing method for a structural member, characterized in that, The sealing method includes: Providing a structural member, which includes a first structural member and a second structural member, with a sealing channel therebetween, the sealing channel including a first opening and a second opening; Placing the structural member in a first environment, and the second opening being in a sealed state; Injecting a preset volume of sealant into the sealing channel from the first opening, and in the first environment, the sealant automatically flows towards the second opening; After a first preset time, placing the structural member in a second environment, the pressure of the second environment being greater than that of the first environment, so that the sealant is hermetically filled in the sealing channel under the pressure difference between the second environment and the first environment.

2. The sealing method of the structural member according to claim 1, characterized in that Before or after placing the structural member in the first environment, it further includes: Providing a sealing structure at the second opening for sealing the second opening, so that the second opening is in a sealed state.

3. The sealing method of the structural member according to claim 2, characterized in that After placing the structural member in the second environment, it further includes: Removing the sealing structure from the second opening after a second preset time.

4. The sealing method of the structural member according to claim 2 or 3, characterized in that, The sealing structure includes a peelable sealant.

5. The sealing method of the structural member according to claim 2 or 3, characterized in that, The sealing structure includes a fixture; wherein, Part of the structure of the fixture is arranged at the second opening and is hermetically connected to the second opening.

6. The sealing method of the structural member according to any one of claims 1-5, characterized in that, The providing of the structural member includes: Forming an appearance surface on at least one of the first structural member and the second structural member; The second opening extends to the appearance surface.

7. The sealing method of the structural member according to any one of claims 1-6, characterized in that, The first environment is a negative pressure environment; or, The first environment is a standard atmospheric pressure environment or an air environment.

8. The sealing method of the structural member according to claim 7, characterized in that, When the first environment is a negative pressure environment, Before injecting a preset volume of sealant into the sealing channel from the first opening, it further includes: Obtaining the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member; Adjusting the negative pressure value of the first environment according to one or more of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

9. The sealing method of the structural member according to claim 7, characterized in that, When the first environment is a standard atmospheric pressure environment or an air environment, After injecting a preset volume of sealant into the sealing channel from the first opening, it further includes: Obtaining the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member; Adjusting the air pressure value of the second environment according to one or more of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

10. The sealing method of the structural member according to any one of claims 1-9, characterized in that, Before injecting a preset volume of sealant into the sealing channel from the first opening, the following steps are further included: Obtain the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member; Determine the first preset time based on one or more of the volume of the sealing channel, the shape of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

11. The sealing method of the structural member according to any one of claims 1-10, characterized in that, Before injecting a preset volume of sealant into the sealing channel from the first opening, the following steps are further included: Obtain the volume of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member; Determine the preset volume of the sealant based on one or more of the volume of the sealing channel, the viscosity of the sealant, the curing method of the sealant, the defoaming performance of the sealant under positive pressure extrusion, the material of the structural member, and the surface treatment method of the structural member.

12. The sealing method of the structural member according to any one of claims 1-11, characterized in that, The size of the first opening is larger than the size of the second opening.

13. The sealing method of the structural member according to any one of claims 1-12, characterized in that, One of the first structural member and the second structural member is a display screen; The other of the first structural member and the second structural member is the middle frame of the electronic device, and the sealing channel is the gap between the display screen and the middle frame.

14. The sealing method of the structural member according to any one of claims 1-12, characterized in that, One of the first structural member and the second structural member is a flexible circuit board; The other of the first structural member and the second structural member is the middle frame or adapter of the electronic device. There is a perforation on the middle frame or adapter of the electronic device for the flexible circuit board to pass through, and the sealing channel is the gap between the flexible circuit board and the inner wall of the perforation; or, The sealing channel is the gap between the middle frame or the adapters.

15. The sealing method of the structural member according to any one of claims 1-12, characterized in that, One of the first structural member and the second structural member is a screw or bolt; The other of the first structural member and the second structural member is an adapter, and there is a threaded hole on the adapter for the screw or bolt to pass through; The sealing channel is the gap between the screw or bolt and the inner wall of the threaded hole.

16. An electronic device, characterized in that, It includes a structural member, the structural member includes a first structural member and a second structural member, and there is a sealing channel between the first structural member and the second structural member; There is sealant in the sealing channel, and the sealant is sealed in the sealing channel by the sealing method of the structural member according to any one of claims 1-15 above.

17. The electronic device according to claim 16, wherein One of the first structural member and the second structural member is the display screen of the electronic device; The other of the first structural member and the second structural member is the middle frame of the electronic device; The sealing channel is the gap between the display screen and the middle frame.

18. The electronic device according to claim 17, wherein Both the display screen and the middle frame have appearance surfaces; among them, One end of the sealed channel extends to an opening between the appearance surface of the display screen and the appearance surface of the middle frame, and the other end of the opening faces the inside of the electronic device.

19. The electronic device according to claim 16, characterized in that, One of the first structural member and the second structural member is a flexible circuit board of the electronic device; The other of the first structural member and the second structural member is a middle frame or an adapter of the electronic device, and a through hole for the flexible circuit board to pass through is provided on the middle frame or the adapter of the electronic device, and the sealed channel is a gap between the flexible circuit board and the inner wall of the through hole; or, The sealed channel is a gap between the middle frame or the adapter.

20. The electronic device according to claim 16, wherein One of the first structural member and the second structural member is a screw or a bolt on the electronic device; The other of the first structural member and the second structural member is an adapter on the electronic device, and a threaded hole for the screw or the bolt to pass through is provided on the adapter; The sealed channel is a gap between the screw or the bolt and the inner wall of the threaded hole.

21. The electronic device according to any one of claims 16-20, characterized in that, The sealed channel has a sealed end and a glue injection end; wherein, The size of the glue injection end is larger than the size of the sealed end, and the glue injection end is located inside the electronic device.

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