CN105957759A - Electronic equipment - Google Patents

Abstract

The invention provides electronic equipment, and the equipment comprises a housing which is provided with a key hole. The electronic equipment also comprises a key structure which is in sealing connection with the housing at the key hole. The key structure has a first state that the key structure generates deformation while receiving a pressure in a preset direction, and at least a part of the key structure moves in the preset direction, wherein the preset direction is a direction facing the interior of the housing. The key structure has a characteristic of generating deformation while receiving the pressure, and is fixedly connected with the housing through the characteristic. Moreover, the key hole is sealed. The optimal water resistance of the key structure is guaranteed while the function of a key is implemented.

Description

Electronic equipment

technical field

The present invention relates to the technical field of electronic equipment, in particular to an electronic equipment.

Background technique

In the electronic equipment in the prior art, the waterproof effect is one of the necessary conditions for evaluating the performance of the electronic equipment. As shown in FIG. 1 , it is a schematic diagram of the connection relationship between a button structure and a mobile phone case in the prior art. In a mobile phone, the button structure is arranged on a side shell, and is a side button, such as a power button or a volume button. This key comprises a keycap 1 and a silica gel layer 2 connected to the keycap 1. The keycap 1 is connected to the silica gel layer 2 and is integrally arranged in the opening 4 of the mobile phone casing 3. Inside the mobile phone casing 3, the A key switch 5 is provided at a corresponding position of the above-mentioned silica gel layer 2 . The integrated structure of the key cap 1 and the silicone layer 2 can move in the opening 4, and the key press input function is realized by the silicone layer 2 contacting and squeezing the key switch. In order to ensure the waterproof performance of the key structure, the keycap 1 is provided with an edge 6 protruding and pressing against the mobile phone housing 3 inside the mobile phone housing 3, so as to prevent water from entering the interior of the mobile phone.

However, since there is a gap between the mobile phone casing 3 and the keycap 1 in this structure, the waterproof performance is not good. Even in some ultra-thin electronic devices, in order to pursue a smaller thickness, due to space constraints, some button structures sacrifice the waterproof design structure, such as canceling the edge 6 in Figure 1, so that the thickness of the button structure is thinner. Small.

Therefore, it is necessary to improve the key structure of the prior art to achieve the best waterproof effect.

Contents of the invention

The invention provides an electronic device, which is used to solve the problem of poor waterproof performance of the key structure in the prior art.

The electronic device provided by the embodiment of the present invention includes a casing with a button hole, wherein the electronic device further includes:

A key structure, which is sealingly connected to the housing at the key hole, the key structure includes a first state of being deformed when receiving a pressing force in a predetermined direction, and at least partially moving toward the predetermined direction, wherein the predetermined The direction is a direction toward the interior of the housing.

The electronic device described in the specific embodiment of the present invention has the following beneficial effects:

In the electronic device described in the specific embodiment of the present invention, the button structure provided has the characteristic of deforming when receiving a pressing force. Using this characteristic, the button structure is fixedly connected with the housing, and the button hole is closed, so as to realize the function of the button while ensuring Key structure for optimal water resistance.

Description of drawings

Fig. 1 shows a schematic diagram of the connection relationship between a side button structure and a mobile phone casing in the prior art;

FIG. 2 shows a schematic structural diagram of the electronic device described in Embodiment 1 of the present invention;

Fig. 3 shows the schematic structural diagram of the electronic device described in Example 2 of the present invention;

FIG. 4 shows a schematic structural diagram of the electronic device according to Embodiment 3 of the present invention.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention, showing that the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to specific embodiments and accompanying drawings.

The electronic device described in the embodiment of the present invention includes a housing provided with key holes, wherein the electronic device further includes:

The key structure is sealed and connected with the housing at the key hole, and the key structure includes a first state of being deformed when receiving a pressing force in a predetermined direction and at least partially moving in the predetermined direction, wherein the predetermined The direction is a direction toward the interior of the housing.

Compared with the button structure on the electronic device in the prior art, which moves relative to the housing during the pressing process to achieve contact and movement with the touch point inside the housing, in the electronic device described in the specific embodiment of the present invention, the set The button structure has the characteristic of being deformed when it receives a pressing force. Using this characteristic, the button structure is fixedly connected with the casing, and the button hole is closed to ensure the best waterproof performance of the button structure while realizing the button function.

Further, the electronic device also includes:

A circuit main board disposed inside the housing, wherein the circuit main board is provided with a contact switch corresponding to the position of the key hole; wherein when the key structure is in the first state, it is contacted and connected with the contact switch for triggering a circuit connected to the contact switch, Realize the corresponding touch operation function.

In addition, the button structure of the electronic device according to the embodiment of the present invention further includes: a second state in which the deformation can be restored and the contact switch is disconnected when the pressing force toward the inside of the housing is canceled.

In the electronic device described in the embodiment of the present invention, the button structure has the above-mentioned first state and second state, and can be deformed when pressed to contact with the contact switch on the circuit board to realize touch operation; The upper contact switch is separated to avoid false triggering of the contact switch.

Embodiment one

FIG. 2 is a schematic structural diagram of the electronic device according to Embodiment 1 of the present invention. In Embodiment 1, the button structure includes an elastic sheet, which can operate between the first state and the second state by utilizing the deformability of the elastic sheet to ensure the pressing function of the button structure, and the elastic sheet can be compatible with the electronic device. The button hole on the casing is sealed and connected to achieve the best waterproof performance.

Specifically, referring to FIG. 2 , the electronic device includes a casing 10 having a key hole 11, wherein the electronic device further includes:

The button structure includes an elastic sheet body 20 , which closes the button hole 11 and is fixedly connected with the casing 10 . The elastic piece 20 can be deformed when receiving a pressing force in a predetermined direction, and at least partly moves in a predetermined direction, and is in a first state, wherein the predetermined direction is a direction toward the inside of the housing 10 , that is, toward the outside of the housing 10 . When the elastic sheet 20 is pressed inside, the elastic sheet 20 is deformed, and part of the structural deformation moves toward the inside of the housing 10;

The circuit board 30 is arranged inside the housing 10, and the circuit board 30 is provided with a contact switch 31 corresponding to the position of the button hole 11; when the elastic sheet 20 is in the first state, it can be contacted and connected with the contact switch 31, To trigger the circuit connected with the contact switch 31.

Further, the elastic piece 20 can recover to deform when the pressing force is removed, and be disconnected from the contact switch 31 to be in the second state. As shown in FIG. 2 , when the elastic piece 20 is in a natural state, that is, when no pressing force is applied, it is in a state of being disconnected from the contact switch 31 .

In addition, in the first embodiment, referring to FIG. 2, the thickness of the housing 10 is smaller than the distance between the outer surface and the circuit board 30, and the housing 10 includes a support portion 32 extending to the circuit board 30, and the support portion 32 surrounds the key. The hole 11 is provided and is in contact with the circuit board 30 for supporting the shell and avoiding deformation of the shell 10 when the elastic sheet 20 is pressed. In addition, the supporting part 32 and the housing 10 can be connected in one piece as shown in FIG. 2 , or can be in two parts connected by welding.

Based on the above arrangement structure, the elastic sheet 20 , the circuit board 30 and the casing 10 are combined to form a pressing space, wherein the contact switch 31 is disposed in the pressing space.

Further referring to FIG. 2 , in the first embodiment, the button hole 11 is a stepped hole and includes a stepped surface 111 inside, and the elastic sheet 20 is fixedly connected to the stepped surface 111 inside the button hole 11 .

In addition, in the first embodiment, the elastic sheet 20 is made of a metal material with a certain toughness, such as stainless steel or nickel nickel, and the connection between the elastic sheet 20 and the housing 10 can be welded. Through the fixed connection between the elastic sheet 20 and the stepped surface 111 , there is no gap between the two, ensuring that external moisture cannot enter the interior of the casing 10 .

Preferably, as shown in FIG. 2 , the section of the elastic sheet 20 is an arc curved in the direction opposite to the predetermined direction (that is, toward the outside of the housing 10 ), so as to ensure a certain curvature toward the inside of the housing 10 . amount of deformation. In order to avoid the effect of the key structure on the appearance of the electronic device, preferably, the elastic sheet 20 is disposed inside the key hole 11 or slightly protrudes from the outer surface of the casing 10 without affecting the pressing operation. On the other hand, in order to meet the appearance requirements of electronic equipment, the outer surface of the elastic sheet 20 can be treated with PVD (Physical Vapor Deposition, physical vapor deposition) coloring process or spraying coloring process according to the alignment requirements.

In addition, a silicone contact point 40 is provided on the surface of the elastic sheet 20 close to the interior of the housing 10, and a protruding contact point 311 is provided on the contact switch 31. When the elastic sheet 20 is pressed by hand, the elastic sheet 20 drives The silicone contact point 40 moves to the inside of the housing 10 , and when the silicone contact point 40 is in contact with the contact point 311 on the contact switch 31 , the function of a key switch is realized.

The button structure of the above structure may be a power button or a volume adjustment button on the electronic device, which is arranged on the front, back or side of the casing.

In order to meet the deformable characteristics of the elastic sheet 20 in the electronic device described in Embodiment 1 of the present invention, preferably, the thickness of the elastic sheet is 0.05mm to 0.2mm, which is greatly reduced compared with the button structure of the prior art. , therefore, adopting the above key structure can meet the ultra-thin requirement of the electronic equipment, and ensure better waterproof performance of the electronic equipment.

Embodiment two

FIG. 3 is a schematic structural diagram of the electronic device described in Embodiment 2 of the present invention. Same as Embodiment 1, in Embodiment 2, the button structure includes an elastic sheet, which also utilizes the deformability of the elastic sheet to move between the first state and the second state to ensure the pressing function of the button structure, and the elasticity The sheet body can be sealed and connected with the button hole on the casing of the electronic device, so as to achieve the best waterproof performance.

In addition, the same as the first embodiment, the electronic device includes a casing 10 with a button hole 11 , an elastic sheet 20 forming a button structure, and a circuit board 30 disposed inside the casing 10 .

Wherein, the action process of the elastic sheet 20 for realizing the button function is the same as that in the first embodiment, and will not be repeated here. Different from Embodiment 1, in Embodiment 2, the elastic sheet 20 is made of PET (Polyethyleneterephthalate, polyethylene terephthalate) material, and covers the outer surface of the casing 10, including the connection with the casing 10 The outer surface is fixedly connected to the first part 21 and the second part 22 corresponding to the button hole 11 . Through this whole covering method, the sealing of the button hole 11 is realized, and the waterproof performance of the button structure is ensured.

Specifically, when the elastic sheet 20 is arranged in the above manner relative to the casing 20 and is made of PET material, it can be arranged on the casing 20 by means of IML (In Molding Label).

Further, in the second embodiment, as shown in FIG. 3 , the thickness of the casing 10 is equal to the distance between the circuit boards 30 on the outer surface, and the whole casing 10 plays a supporting role, so as to prevent the casing from being damaged when the elastic sheet 20 is pressed. The body 10 is deformed. Based on this arrangement structure, the elastic sheet 20 , the circuit board 30 and the casing 10 are combined to form a pressing space, wherein the contact switch 31 is disposed in the pressing space. Of course, the structure of the casing 10 at the button hole 11 is not limited to that shown in FIG. 3 , and the structure shown in FIG. 2 in the first embodiment may also be adopted.

In addition, as shown in Figure 3, in the second embodiment, the same as the first embodiment, in order to meet the ultra-thin requirements of electronic equipment, and the elastic sheet 20 has deformable properties, the thickness of the elastic sheet is 0.05mm to 0.2mm , and the cross-section is an arc curved toward the direction opposite to the predetermined direction (that is, toward the outside of the housing 10 ), slightly protruding from the outer surface of the housing 10 .

In addition, a silicone contact point 40 is provided on the surface of the elastic sheet 20 close to the interior of the housing 10, and a protruding contact point 311 is provided on the contact switch 31. When the elastic sheet 20 is pressed by hand, the elastic sheet 20 drives The silicone contact point 40 moves to the inside of the housing 10 , and when the silicone contact point 40 is in contact with the contact point 311 on the contact switch 31 , the function of a key switch is realized.

Embodiment Three

FIG. 4 is a schematic structural diagram of an electronic device according to Embodiment 3 of the present invention. In the third embodiment, the button structure includes a pressing part 23 located in the center and a connecting part 24 arranged on the edge of the pressing part 23, wherein the pressing part 23 and the connecting part 24 are integrally connected and can be made of tough materials, such as uniform Made of PET material.

In the third embodiment, as shown in FIG. 4 , the touch part 23 and the connecting part 24 are combined to cover the button hole 11 of the housing 10 , the diameter of the touch part 23 is smaller than the diameter of the button hole 11 , and it extends into the button hole. 11 in. The connection part 24 can cover the outer surface of the casing 10 by IML, and be fixedly connected with the casing 10 to ensure the sealing of the button hole 11 . In addition, the thickness of the connecting portion 24 is relatively small, such as 0.05 mm to 0.2 mm, and has high elastic deformation, while the thickness of the touch portion 23 can be much greater than the thickness of the connecting portion 24 .

Inside the housing 10, a circuit board 30 is connected to the housing 10, a contact switch 31 is provided on the circuit board 30 corresponding to the button hole 11, and a silicone contact is provided on the end surface of the touch part 23 close to the circuit board 30. Point 40. When the pressing force towards the inside of the housing 10 acts on the touch part 23, the touch part 23 moves toward the direction close to the contact switch 31 by utilizing the deformability of the connecting part 24. When the silicone contact point 40 contacts the contact switch 31 , the function of the key switch (the first state) is realized. When the force acting on the touch part 23 disappears, the connection part 24 returns to the state before deformation, and drives the touch part 24 to move away from the contact switch 31 and separate from the contact switch 31 (second state).

Based on the above structure, when the button structure is composed of two parts with different thicknesses, the function of the button can also be realized and effective waterproof performance can be guaranteed.

The electronic device described in the first to third embodiments of the present invention may be a mobile phone, a computer, or a tablet computer.

In the electronic device described in the embodiment of the present invention, the button structure is fixedly connected to the casing, and the button hole is closed, so as to realize the function of the button while ensuring the best waterproof performance of the button structure. In addition, the key structure can be in the form of an elastic sheet, which can be applied to electronic equipment that requires ultra-thinness, and meets the waterproof design requirements of the key structure in ultra-thin electronic equipment.

It should be noted that each embodiment in this specification is described in a progressive manner, and each embodiment focuses on the difference from other embodiments. For the same and similar parts in each embodiment, refer to each other, that is, Can.

Having described preferred embodiments of embodiments of the present invention, additional changes and modifications can be made to these embodiments by those skilled in the art once the basic inventive concept is appreciated. Therefore, the appended claims are intended to be construed to cover the preferred embodiment and all changes and modifications which fall within the scope of the embodiments of the present invention.

It should also be noted that in this article, relational terms such as first and second etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations Any such actual relationship or order exists between. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or terminal equipment comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements identified, or also include elements inherent in such a process, method, article, or end-equipment. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or terminal device comprising said element.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (10)

1. an electronic equipment, including the housing offering key hole, it is characterised in that described electronics sets For also including:

Press-key structure, is connected with described housing seal at described key hole, and described press-key structure is included in and connects Receive predetermined direction by pressure time the first state of being deformed, at least partly moving towards described predetermined direction, Wherein said predetermined direction is the direction of the inside towards described housing.

2. electronic equipment as claimed in claim 1, it is characterised in that described press-key structure includes elasticity Lamellar body, and the arc that the cross section of described elastic strip body is the rightabout bending towards described predetermined direction.

3. electronic equipment as claimed in claim 2, it is characterised in that described elastic strip body is covered in institute State the outer surface of housing, including fix with the outer surface of described housing connection Part I and corresponding described in by The Part II of keyhole.

4. electronic equipment as claimed in claim 2, it is characterised in that described key hole is stepped hole, Inside includes step surface, and described elastic strip body is fixing with described step surface to be connected.

5. electronic equipment as claimed in claim 2, it is characterised in that described elastic strip body and described shell Body connects by the way of welding, bonding, injection or hot pressing are integrated.

6. electronic equipment as claimed in claim 2, it is characterised in that described elastic strip body uses metal Material or polyethylene terephtalate material are made.

7. electronic equipment as claimed in claim 2, it is characterised in that the thickness of described elastic strip body is 0.08mm to 0.15mm.

8. the electronic equipment as described in any one of claim 1 to 7, it is characterised in that also include:

It is arranged at the circuit main board of described enclosure interior, described circuit main board is provided with and described key hole The contact switch that position is corresponding；When wherein said press-key structure is in described first state, contact out with described Close contact to connect.

9. electronic equipment as claimed in claim 8, it is characterised in that described press-key structure also includes: Cancel described by recovering deformation, the second state being disconnected with described contact switch during pressure.

10. electronic equipment as claimed in claim 8, it is characterised in that described housing and described main circuit Plate connects, and described press-key structure, described circuit main board and described shell combination are a pressing space, described in connect Tactile switch is arranged in described pressing space.