CN110277263B

CN110277263B - Case assembly for electronic device, and method of manufacturing case assembly

Info

Publication number: CN110277263B
Application number: CN201910502222.6A
Authority: CN
Inventors: 李佳翌
Original assignee: Oppo Chongqing Intelligent Technology Co Ltd
Current assignee: Oppo Chongqing Intelligent Technology Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2021-09-07
Anticipated expiration: 2039-06-11
Also published as: CN110277263A

Abstract

The application provides a shell subassembly, electronic equipment and a manufacturing method of the shell subassembly for electronic equipment, wherein, the shell subassembly includes: casing, flexible seal cover and button. The shell is provided with a key hole. The flexible sealing sleeve is provided with a first opening end and a second opening end which are communicated; the shell is penetrated and arranged through the key hole and the flexible sealing sleeve. The first opening end surrounds the key hole and is connected with the shell in a sealing mode, and the second opening end surrounds the key and is connected with the key in a sealing mode. The application provides a shell subassembly, flexible sealing cover respectively with casing and button sealing connection, can eliminate the gap between flexible sealing cover and casing and the button, can prevent effectively that liquid and dust from getting into the inside of shell subassembly to can improve waterproof, the dustproof grade of product effectively. In addition, the flexible sealing sleeve can buffer the force applied to the key, so that the key is protected, the service life of the key can be prolonged, and the market competitiveness of the product can be increased.

Description

Case assembly for electronic device, and method of manufacturing case assembly

Technical Field

The present disclosure relates to the field of communication devices, and more particularly, to a housing assembly for an electronic device, and a method for manufacturing the housing assembly.

Background

With the gradual increase of user demands, the performance of a plurality of devices is greatly improved at present. In the process of product design, the waterproof design of the equipment is important, and the quality of the equipment is determined.

At present, more electronic equipment is provided with the button usually, and the button provides convenience for user operation equipment, and the button structure commonly used at present is the direct cooperation of button body and metal shrapnel usually, and the button body includes the button cap in the outside and the silica gel column of inboard. When the key cap is pressed, the silica gel column triggers the metal elastic sheet, and the metal elastic sheet conducts the contact on the bonding pad, so that the key function is realized. After a period of time of using many electronic devices, the water inlet problem occurs at the position of the key, which seriously affects the performance and public praise of the device.

Disclosure of Invention

The embodiment of the application provides a shell assembly for electronic equipment, the electronic equipment and a manufacturing method of the shell assembly, and the waterproof and dustproof effects between a shell and a key are good.

Embodiments of a first aspect of the present application provide a case assembly for an electronic device, comprising: a housing having a key hole; a flexible sealing sleeve having a first open end and a second open end in communication; the key penetrates through the shell through the key hole and the flexible sealing sleeve; the first opening end surrounds the key hole and is connected with the shell in a sealing mode, and the second opening end surrounds the key and is connected with the key in a sealing mode.

The application provides a shell subassembly, the one end and the casing sealing connection of flexible seal cover can eliminate the gap between flexible seal cover and the casing, can prevent liquid and dust entering shell subassembly's inside effectively to can improve waterproof, the dustproof grade of product effectively, and then can increase the use reliability of product, can increase the market competition of product. In a similar way, the other end of the flexible sealing sleeve is connected with the keys in a sealing manner, so that gaps between the flexible sealing sleeve and the keys can be eliminated, liquid and dust can be effectively prevented from entering the shell assembly, the waterproof and dustproof grade of a product can be effectively improved, the use reliability of the product can be increased, and the market competitiveness of the product can be increased. In addition, the flexible sealing sleeve can buffer the force applied to the key, so that the key is protected, the service life of the key can be prolonged, and the market competitiveness of the product can be increased.

Embodiments of a second aspect of the present application provide a method of manufacturing a shell assembly, comprising:

preparing a shell, wherein the shell is provided with a key hole;

preparing a flexible sealing sleeve and keys associated with the housing by 3D printing;

wherein the flexible sealing sleeve has a first open end and a second open end in communication;

the key penetrates through the shell through the key hole and the flexible sealing sleeve;

the first opening end surrounds the key hole and is connected with the shell in a sealing mode, and the second opening end surrounds the key and is connected with the key in a sealing mode.

The application provides a manufacturing approach of shell subassembly, and it is easy to manufacture, and shell subassembly's simple structure, waterproof, dustproof effectual.

Embodiments of a third aspect of the present application provide an electronic device comprising the above-described housing assembly.

The application provides an electronic equipment can prevent liquid and dust entering electronic equipment's inside effectively to can improve waterproof, the dustproof grade of product effectively, and then can increase the use reliability of product, can increase the market competition of product.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Additional aspects and advantages of the present application will be set forth in part in the description which follows, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic perspective view of a shell assembly according to the present application;

FIG. 2 is a schematic illustration in partial cross-sectional view of an embodiment of the shell assembly shown in FIG. 1;

FIG. 3 is a schematic illustration in partial cross-sectional view of another embodiment of the shell assembly shown in FIG. 1;

FIG. 4 is a schematic illustration in partial cross-sectional view of another embodiment of the shell assembly shown in FIG. 1;

FIG. 5 is a schematic illustration in partial cross-sectional view of another embodiment of the shell assembly shown in FIG. 1;

FIG. 6 is a block flow diagram of a method of manufacturing a shell assembly as described herein.

Description of reference numerals:

the flexible pressure sensor comprises a shell 10, a flexible sealing sleeve 20, a first open end 21, a second open end 22, a second wedge-shaped part 23, a key 30, a first wedge-shaped part 31, a protrusion 32 and a pressure sensor 40.

Detailed Description

In order that the above objects, features and advantages of the present application can be more clearly understood, the present application will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

The following discussion provides a number of embodiments of the application. While each embodiment represents a single combination of applications, the various embodiments of the disclosure may be substituted or combined in any combination, and thus, the disclosure is intended to include all possible combinations of the same and/or different embodiments of what is described. Thus, if one embodiment comprises A, B, C and another embodiment comprises a combination of B and D, then this application should also be considered to comprise an embodiment that comprises A, B, C, D in all other possible combinations, although this embodiment may not be explicitly recited in the text below.

As shown in fig. 1 and 2, an embodiment of the first aspect of the present application provides a shell assembly comprising: a housing 10, a flexible sealing sleeve 20 and keys 30.

The case 10 has a key hole.

The flexible sealing sleeve 20 has a first open end 21 and a second open end 22 in communication.

The keys 30 are arranged through the housing 10 by means of key holes and a flexible sealing sleeve 20.

The first open end 21 is connected with the shell 10 around the key hole in a sealing way, and the second open end 22 is connected with the key 30 around the key 30 in a sealing way.

The application provides a shell subassembly, the one end and the casing 10 sealing connection of flexible sealing cover 20 can eliminate the gap between flexible sealing cover 20 and the casing 10, can prevent liquid and dust entering shell subassembly's inside effectively to can improve waterproof, the dustproof grade of product effectively, and then can increase the use reliability of product, can increase the market competition of product. Similarly, the other end of the flexible sealing sleeve 20 is connected with the key 30 in a sealing manner, so that a gap between the flexible sealing sleeve 20 and the key 30 can be eliminated, and liquid and dust can be effectively prevented from entering the shell assembly, so that the waterproof and dustproof grade of a product can be effectively improved, the use reliability of the product can be increased, and the market competitiveness of the product can be increased. In addition, the flexible sealing sleeve 20 can buffer the force applied to the key 30, protect the key 30, prolong the service life of the key 30, and further increase the market competitiveness of the product.

In one embodiment of the present application, the flexible sealing boot 20 is hermetically connected to the housing 10 and the key 30 by heat fusion. The specific assembling process is as follows: firstly, the flexible sealing sleeve 20 is sleeved on the key 30 to form an assembly, then the assembly is installed on the shell 10, and finally the flexible sealing sleeve 20 is respectively connected with the key 30 and the shell 10 in a sealing mode through hot melting, and the connecting mode has the advantages of simplicity and convenience in connection, long service life, corrosion resistance and the like; and can effectively eliminate the gap between flexible seal cover 20 and button 30 and casing 10, can prevent liquid and dust entering shell assembly's inside effectively to can improve waterproof, dustproof grade of product effectively, and then can increase the use reliability of product, can increase the market competition of product.

In one embodiment of the present application, the flexible sealing boot 20 is sealingly connected to the housing 10 and the keys 30 by a sealing adhesive. The specific assembling process is as follows: firstly, the flexible sealing sleeve 20 is sleeved on the key 30, the flexible sealing sleeve 20 and the key 30 are bonded together through sealant to form an assembly, then the assembly is installed on the shell 10, and the flexible sealing sleeve 20 and the shell 10 are bonded together through the sealant, and the connection mode has the characteristics of simplicity and convenience in connection, convenience in assembly and the like; and can effectively eliminate the gap between flexible seal cover 20 and button 30 and casing 10, can prevent liquid and dust entering shell assembly's inside effectively to can improve waterproof, dustproof grade of product effectively, and then can increase the use reliability of product, can increase the market competition of product.

In one embodiment of the present application, as shown in FIG. 2, the housing assembly further includes a pressure sensor 40, the pressure sensor 40 being configured to detect different pressures applied to the pressure sensor 40 when the key 30 is pressed.

In this embodiment, the pressure sensor 40 can apply different pressures to the keys 30 of the electronic device by detecting different pressures applied to the keys 30, so as to implement different control functions, thereby reducing the usage of the keys 30, on one hand, reducing the space occupied by the parts, thereby enabling other parts to have more installation space, and reducing the mutual interference and influence between the parts in the assembling and using processes. On the other hand, the cost of one part can be reduced, so that the production and manufacturing cost of the product can be reduced, and the market competitiveness of the product can be improved. In one embodiment, the detection by the pressure sensor 40 can identify that the user has not intended to touch the key, the user has lightly touched the key, the user has pressed the key with moderate force, and the user has pressed the key with strong force. Specifically, the touch key is identified as an unintentional touch key, and the electronic device does not respond. And recognizing the key 30 as a light point, and realizing screen capture of the screen of the electronic equipment. The key 30 is recognized to be pressed by medium pressure, and the screen of the electronic equipment is closed or lighted. Recognizing that the key 30 is pressed strongly, and realizing the shutdown or startup of the electronic equipment; or, volume adjustment or brightness adjustment of the electronic device is realized.

As shown in fig. 2, in one embodiment of the present application, the distance D of the key 30 from the pressure sensor 40 when not pressed is in the range of 0.03 to 0.05 mm.

In this embodiment, on one hand, the distance D between the key 30 and the pressure sensor 40 when the key 30 is not pressed is less than 0.03, the distance D between the key 30 and the pressure sensor 40 is too small, and when the key 30 is subjected to a small external force (such as unintentionally touching the key 30), the key 30 is easily contacted with the pressure sensor 40, which results in the operation of the electronic device and affects the normal use of the electronic device. On the other hand, the distance D between the key 30 and the pressure sensor 40 is greater than 0.05mm when the key is not pressed, and the distance D between the key 30 and the pressure sensor 40 is too large, so that the key 30 needs a large external force to contact with the pressure sensor 40, which causes touch insensitivity of the key 30 and affects normal use of the electronic device. Therefore, the distance D between the key 30 and the pressure sensor 40 when the key is not pressed is within 0.03-0.05 mm, and the key 30 can trigger corresponding operation after being subjected to moderate external force, so that the use comfort of a user on a product can be ensured, and the market competitiveness of the product can be increased.

As shown in fig. 3, in one embodiment of the present application, the key 30 comprises a first wedge-shaped portion 31, the flexible sealing boot 20 being sealingly connected to the first wedge-shaped portion 31.

In this embodiment, the wedge shape is smaller at one end and larger at the other end. As shown in fig. 3, the first wedge portion 31 has a triangular cross-section; the outer surface of the first wedge portion 31 is an inclined surface, so that the key 30 can smoothly pass through the key hole, thereby improving the assembly efficiency of the product, that is, improving the production efficiency of the product, and further reducing the production cost of the product.

As shown in fig. 4, in one embodiment of the present application, the flexible sealing sleeve 20 comprises a second wedge portion 23, the second wedge portion 23 fitting with the first wedge portion 31.

In this embodiment, the flexible sealing boot 20 is disposed inside the housing 10, and during the assembly of the housing assembly, the flexible sealing boot 20 is first fitted over the key 30, so that the second wedge portion 23 is fitted to the outer surface of the first wedge portion 31 to form an inclined surface, and then the assembled assembly is connected to the housing 10 through the key hole. In the process of mounting the key 30 and the flexible sealing sleeve 20 on the housing 10 after being assembled, the inclined surfaces formed by the outer surfaces of the second wedge-shaped part 23 and the first wedge-shaped part 31 play a role in guiding, so that the assembly formed by the key 30 and the flexible sealing sleeve 20 smoothly passes through the key hole to complete the assembly; therefore, the assembly efficiency of the product can be improved, namely, the production efficiency of the product can be improved, and the production and manufacturing cost of the product is reduced.

In one embodiment of the application, the flexible sealing sleeve is an elastic member for resetting the key after releasing the pressing.

In the embodiment, the flexible sealing sleeve is an elastic part, namely the flexible sealing sleeve has elasticity, the flexible sealing sleeve can reset the pressed key, and the use of parts can be reduced without independently arranging a resetting part; on one hand, the occupied space of the parts can be reduced, so that other parts can have more installation spaces, and the mutual interference and influence between the parts in the assembling and using processes can be reduced. On the other hand, the production and manufacturing cost of the product can be reduced, so that the market competitiveness of the product can be improved.

In one embodiment of the present application, as shown in FIG. 5, the key 30 includes a protrusion 32 at an end, the protrusion 32 being opposite the pressure sensor 40.

In this embodiment, the protrusion 32 functions as a part of the key 30 contacting the pressure sensor 40 and transmitting force, so as to ensure that the force and the position degree pressed by the user can be sufficiently transmitted, thereby ensuring the control accuracy of the key 30, and enabling the electronic device to quickly respond to the pressing of the key 30 by the user to make a corresponding action.

In an embodiment of the application, be provided with not more than three clearances on the arch, the setting in clearance can guarantee that pressure sensor can not produce internal stress under the condition that the user does not press to the user can catch when pressing more accurately. In addition, the keys can be identified respectively by unintentionally touching the keys, lightly touching the keys by the user, pressing the keys with moderate force by the user and pressing the keys with strong force by the user on the basis of ensuring easy assembly of the keys. The touch control principle of the key is as follows: under the condition that a gap exists, the stress of the pressure sensor is zero; under the condition of pressing, the stress condition of the pressure sensor is positively correlated with the force given by the user when the user presses, so that different functions can be realized by applying different pressures to the keys, and the user can obtain corresponding requirements. In an embodiment of the application, the pressure sensor is a piezo-resistor.

In one embodiment of the present application, the flexible sealing boot is made of polyamide, polyurethane, latex or polyethylene.

In this embodiment, the material from which the flexible sealing sleeve is made meets the following requirements: the material has sufficient heat resistance, and the melting point of the material is higher than 150 ℃. The material has enough wear resistance, the friction coefficient of the material is about 0.2, and the wear loss is less than 3.5 multiplied by 10 < -4 > g. The material has medium strength performance; the tensile strength of the material is more than 60MPa, the bending strength is less than or equal to 90MPa, and the elongation is more than 30%.

As shown in fig. 6, an embodiment of the second aspect of the present application provides a method for manufacturing a shell assembly, including:

step 100, preparing a shell, wherein the shell is provided with a key hole. It will be understood by those skilled in the art that preparing the housing may be understood as manufacturing the housing, and may also be understood as using a separately purchased housing directly.

200, preparing a flexible sealing sleeve and a key which are associated with a shell through 3D printing; wherein the flexible sealing sleeve has a first open end and a second open end which are communicated. The key manufactured by the 3D printing technology has high precision and small production error, thereby preventing the occurrence of large position deviation and manufacturing deviation. It will be appreciated by those skilled in the art that the flexible sealing boot and the keys associated with the housing may be manufactured in a mass production manner, such as injection molding.

Step 300, the key penetrates through the shell through the key hole and the flexible sealing sleeve; the first opening end is connected with the shell in a sealing mode around the key hole, and the second opening end is connected with the key in a sealing mode around the key.

In one embodiment of the application, the flexible sealing sleeve is connected with the shell and the key in a sealing manner through a sealing glue. Or the flexible sealing sleeve is connected with the shell and the key in a sealing way through hot melting.

The application provides a manufacturing approach of shell subassembly, and it is easy to manufacture, and shell subassembly's simple structure, waterproof, dustproof effectual. Specifically, the one end and the casing sealing connection of flexible seal cover can eliminate the gap between flexible seal cover and the casing, can prevent effectively that liquid and dust from getting into the inside of shell subassembly to can improve waterproof, the dustproof grade of product effectively, and then can increase the use reliability of product, can increase the market competition of product. In a similar way, the other end of the flexible sealing sleeve is connected with the keys in a sealing manner, so that gaps between the flexible sealing sleeve and the keys can be eliminated, liquid and dust can be effectively prevented from entering the shell assembly, the waterproof and dustproof grade of a product can be effectively improved, the use reliability of the product can be increased, and the market competitiveness of the product can be increased. In addition, the flexible sealing sleeve can buffer the force applied to the key, so that the key is protected, the service life of the key can be prolonged, and the market competitiveness of the product can be increased.

An embodiment of the third aspect of the present application provides an electronic device, including any one of the above-described case assemblies.

The electronic equipment is a mobile phone or a tablet computer.

In this application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A housing assembly for an electronic device, comprising:

a housing having a key hole;

a flexible sealing sleeve having a first open end and a second open end in communication; and

the flexible sealing sleeve comprises a first portion sleeved at one end, located outside the shell, of the key, the first opening end surrounds the key hole and is in sealing connection with the shell, the second opening end surrounds the key and is in sealing connection with the key, the key comprises a first wedge-shaped portion, the flexible sealing sleeve comprises a second wedge-shaped portion, and the second wedge-shaped portion is matched with the first wedge-shaped portion.

2. The housing assembly of claim 1, wherein the flexible sealing boot is sealingly connected to the housing and the key by a sealant or by heat staking.

3. The housing assembly of claim 1, wherein the flexible sealing boot is an elastomeric member for resetting the key after release of depression.

4. The housing assembly of claim 3, further comprising a pressure sensor for detecting a different pressure applied to the pressure sensor when the key is pressed.

5. The housing assembly of claim 4, wherein the key is within a range of 0.03 to 0.05mm from the pressure sensor when not pressed.

6. The housing assembly of claim 5, wherein the key includes a protrusion at an end opposite the pressure sensor.

7. The shell assembly of claim 1, wherein the flexible sealing boot is made of polyamide, polyurethane, latex, or polyethylene.

8. A method of manufacturing the shell assembly of any of claims 1-7, comprising:

preparing a shell, wherein the shell is provided with a key hole; and

9. An electronic device comprising the housing assembly of any one of claims 1-7.