CN204497100U - Button assembly and electronic equipment - Google Patents

Abstract

The utility model provides a button assembly and electronic equipment. The button assembly includes: a button body, including a keycap and an engaging part, the first surface of the keycap is a button operation surface for the user to operate the button, the second surface of the keycap is opposite to the first surface, and The part extends from the second surface to the direction away from the keycap; the middle frame is provided with an installation through hole, and the installation through hole communicates with the outer side of the middle frame and the inner side of the middle frame, so that the engaging part can be penetrated and installed from the outer side of the middle frame The through hole, and the engaging part extends to the inner side of the middle frame, wherein the outer surface of the middle frame blocks the keycap from the outer side of the middle frame; the stopper, when the engaging part penetrates the installation through hole from the outer side of the middle frame, And when the engaging portion extends to the inner side of the middle frame, the stopper is disposed between the inner surface of the middle frame and the engaging portion, so as to prevent the engaging portion from coming out of the installation through hole. Adopting this button structure can improve the assembly efficiency of the button, and at the same time reduce the thickness of the middle frame.

Description

Key Assembly and Electronics

technical field

The utility model relates to the technical field of keys of electronic equipment, in particular to a key assembly. In addition, the utility model also relates to an electronic device with such a key assembly.

Background technique

The speed of upgrading of electronic products is changing with each passing day, especially with the rapid development of smart phones, people have higher and higher requirements for mobile phones, and mobile phones that are thinner, more intelligent, and more convenient for people's life are undoubtedly the development trend of smart phones.

At present, in order to realize the lightness and fashion of mobile phones, most manufacturers adopt the design scheme of integrating the middle frame. However, this design scheme of integrating the middle frame makes the traditional method of hot-melting the buttons on the battery cover no longer applicable. At the same time, people have higher and higher requirements for the simplification of mobile phone assembly, which brings certain challenges to the assembly of buttons on the middle frame. Specifically: when assembling, assemble from the inside to the outside of the middle frame. Since there are many structures and components on the inside of the middle frame, the assembly space is limited. As a result, this assembly method from the inside to the outside is inconvenient to operate and the assembly efficiency is low. In addition, in order to reliably fix the button on the middle frame, the button is provided with a skirt that can be clamped in the installation through hole of the middle frame, but the design of this skirt increases the thickness of the middle frame by about 1mm. Therefore, a button assembly is needed to solve the above-mentioned technical problems in the prior art.

Utility model content

The technical problem to be solved by the utility model is to provide a button assembly. The use of the button assembly can improve the assembly efficiency of the button, and at the same time reduce the thickness of the middle frame, which is beneficial to the thinning of the electronic equipment. In addition, the utility model also provides an electronic device with such a key assembly.

The technical scheme that the utility model adopts is:

A key assembly, which includes: a key body, including a key cap and an engaging portion, the first surface of the key cap is a key operation surface for the key user to operate the key, the second surface of the key cap is in contact with the key The first surface is oppositely arranged, and the engaging portion extends from the second surface in a direction away from the keycap; the middle frame is provided with an installation through hole, and the installation through hole communicates with the outer side of the middle frame and the keycap. The inner side of the middle frame is used for the fastening part to pass through the installation through hole from the outer side of the middle frame, and the fastening part extends to the inner side of the middle frame, wherein the middle frame The outer surface of the outer surface blocks the keycap on the outside of the middle frame; the stopper, when the engaging part penetrates the installation through hole from the outside of the middle frame, and the engaging part extends to the When referring to the inner side of the middle frame, the stopper is disposed between the inner surface of the middle frame and the engaging portion, so as to prevent the engaging portion from slipping out of the installation through hole.

Preferably, the engaging portion is configured as a hook disposed opposite to each other, and the stopper is held between the inner surface of the middle frame and the hook.

Preferably, the key body further includes a conductive base, the conductive base extends from the second surface in a direction away from the keycap, and the conductive base is arranged between the hooks of the engaging portion, The stopper is provided with a groove matching with the conductive base.

Preferably, the installation structure of the button further includes: an opposite hanging table extending from the inner side of the middle frame in a direction away from the middle frame, the hanging table is in the shape of a hook opposite to each other, and the engaging part The hooks are arranged between the hangers, and the two ends of the stoppers are respectively provided with matching parts that cooperate with the hangers. When the stoppers are clamped on the inner surface of the middle frame and the between the hooks, and the matching portion is held between the inner surface of the middle frame and the hanging table.

Preferably, the keycap and the engaging part are integrally formed, and the material of the keycap and the engaging part is polycarbonate plastic.

Preferably, the keycap is provided with a metal outer layer.

In addition, the utility model also provides an electronic device, which includes the button assembly as described above.

It should be noted that the terms "inner" and "outer" used in this utility model are relative to the inside enclosed by the middle frame, the side close to the inside is the inner side of the middle frame, and the side farther away from the inside is the outer side of the middle frame.

By adopting the above-mentioned technical solution, the utility model has at least the following advantages: the key assembly can realize the installation of the key body from the outside of the middle frame to the inside of the middle frame during assembly, the operation is simple and convenient, and the efficiency of key assembly is improved. In addition, the positioning of the button assembly does not require the limit of the skirt, so that the thickness of the middle frame is reduced, which is beneficial to the thinning of the electronic equipment.

Description of drawings

Fig. 1 is a perspective view of a key body of a preferred embodiment of the key assembly of the present invention;

Fig. 2 is a perspective view of a stopper of another preferred embodiment of the button assembly of the present invention;

Fig. 3 is the assembly schematic diagram of assembling the button body in assembling the button assembly of the present utility model;

Fig. 4 is a schematic diagram of assembly of the assembly stopper in the button assembly of the present utility model;

Fig. 5 is a structural schematic diagram after assembling the button assembly of the present utility model after completion of assembly.

Among them, 1-keycap; 20-hook; 21-conductive base; 3-stopper; 30-groove; 31-fitting part; 32-notch; 4-middle frame; 40-installation through hole; 41 - Hanging table.

Detailed ways

In order to further explain the technical means and effects of the utility model to achieve the intended purpose, the utility model will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

The button assembly provided by the utility model includes a button body, a middle frame and a stopper. The button assembly of the utility model and its various parts will be described in detail below.

As shown in FIG. 1 , the key body includes a key cap 1 and an engaging portion. The first surface of the key cap 1 is a key operation surface for a key user to operate the key. The key cap 1 can be, for example, the shutdown key on the outside of the middle frame of our usual mobile phone. The second surface of the keycap 1 is opposite to the first surface, and the engaging portion extends from the second surface in a direction away from the keycap 1 . The engaging part is arranged on the second surface opposite to the first surface, and the purpose is to install the key body on the middle frame without affecting the use of the keycap as much as possible, so as to facilitate the operation of the mobile phone user.

It should be noted that the keycap 1 and the engaging part can be integrally formed, and the material of the keycap 1 and the engaging part is polycarbonate plastic. The characteristics of polycarbonate plastic are: high hardness, excellent electrical properties, wide temperature range, and low shrinkage after molding. The material of the button body can facilitate the operation of the mobile phone user, improve the performance of the mobile phone, and enhance the user experience of the mobile phone user. Further, the keycap is provided with a metal outer layer. The keycap 1 is wrapped with a metal outer layer, which can further enhance the experience of mobile phone users.

The middle frame 4 can be the middle frame of a mobile phone, or the middle frame of an electronic device such as a tablet computer. The button body needs to be installed on the middle frame to carry the keycap 1, so that the mobile phone user can directly operate the keycap 1. As shown in FIG. 3 , the middle frame 4 is provided with an installation through hole 40 , and the installation through hole 40 communicates with the outside of the middle frame 4 and the inside of the middle frame 4 , so that the engaging part can pass through the installation through hole 40 from the outside of the middle frame 4 , and the engaging portion extends to the inner side of the middle frame 4 , wherein the outer edge of the installation through hole 40 blocks the keycap 1 from the outer side of the middle frame 4 . Thus, the engaging portion can smoothly pass through the installation through hole 40, and the keycap 1 is blocked by the outer surface of the middle frame 4 on the outside of the middle frame 4, so the mobile phone user sees the keycap 1 from the appearance of the mobile phone. Covering the through hole 40 is installed to improve the assembly accuracy of the key and at the same time limit the inward movement of the keycap 1 and play a role in limiting the position of the keycap 1 .

As shown in Figures 3 to 5, the function of the stopper 3 is that when the engaging part penetrates the installation through hole 40 from the outside of the middle frame 4 and the engaging part extends to the inside of the middle frame 4, the stopper 3 is arranged between the inner surface of the middle frame 4 and the engaging part. Thus the stopper 3 is clamped between the inner surface of the middle frame 4 and the engaging part, restricting the button body, especially preventing the engaging part from moving from the installation through hole 40 to the outside of the middle frame, thus the stopper 3 and the outer edge of the installation through hole 40 realize the installation of the button body on the middle frame. It should be noted that the stopper is only interposed between the inner surface of the middle frame and the engaging portion, as long as it prevents the engaging portion from slipping out of the installation through hole. In order to improve the installation accuracy of the key and avoid the key from shaking due to the gap between the stopper and the engaging part when the key is operated, the stopper can be clamped between the inner surface of the middle frame and the engaging part. In addition, in order to further improve the accuracy of button assembly, the size of the engaging portion is slightly smaller than the diameter of the mounting through hole 40 , so that the mounting through hole 40 restricts the movement of the engaging portion in a direction perpendicular to the axis of the mounting through hole 40 . The stopper 3 can be made of stainless steel or polycarbonate plastic.

The shape of the engaging part can be arbitrary, for example, it can be a buckle, and the stopper 3 is provided with an insertion strip matched with the buckle to realize the fixing of the engaging part. Preferably, as shown in FIG. 1 , the engaging portion may be a hook 20 disposed opposite to each other, and the stopper 3 is disposed between the inner surface of the middle frame 4 and the hook 20 (see FIG. 5 ). The shape of the stopper 3 may be a plate transversely interposed between the inner surface of the middle frame 4 and the hook 20 . As a preferred embodiment, the key body further includes a conductive base 21, and the engaging portion is an oppositely disposed hook 20. The conductive base 21 extends from the second surface in a direction away from the keycap 1, and the conductive base 21 is arranged on the engaging portion. Between the hooks 20 of the upper portion, the stopper 3 is provided with a groove 30 matching with the conductive base 21 . The function of the conductive base 21 is to realize the transmission of key operation actions, thereby realizing the corresponding functions of the keys, for example, pressing the power-off key, the corresponding force is transmitted to the inside of the mobile phone through the conductive base 21, so as to realize the shutdown of the mobile phone.

As shown in Fig. 3 to Fig. 5, as a preferred embodiment, the mounting structure of the button of the present invention also includes a hanging platform 41 extending from the inner side of the middle frame 4 in a direction away from the middle frame 4, the hanging platform 41 The hook 20 is arranged between the hangers 41, and the two ends of the stopper 3 are respectively provided with matching parts 31 that cooperate with the hanger 41. When the stopper 3 is arranged on the middle frame 4 Between the inner surface and the hook 20 , the matching portion 31 is locked between the inner surface of the middle frame 4 and the hook 20 . As shown in the figure, in order to smoothly push the stopper 3 between the inner surface of the middle frame and the hook, the stopper 3 is provided with a notch 32 for cooperating with the hook 20, thereby smoothly pushing the stopper Part 3 is pressed between the inner surface of the middle frame and the hook. The purpose of setting the hanger 41 is: when the button is pressed, the V-shaped shrapnel in contact with the conductive base 21 will bounce the button, and the button will return to the initial position. Wherein, the structure of the V-shaped elastic piece and the installation result of the V-shaped elastic piece and the conductive base 2 can refer to the structure and installation structure of the V-shaped elastic piece used in the prior art, and will not be described in detail here. Therefore, due to the setting of the hanging table 41, the middle frame 4 including the hanging table 41 basically does not shake during the key popping process, thereby playing a pulling effect on the key body, which is beneficial to the accurate return of the key.

Referring to Fig. 3 to Fig. 5, generally describe the assembly process of the button in the utility model:

Insert the engaging part of the button body into the installation through hole 40 from the outside of the middle frame, and extend the engaging part to the inner side of the middle frame. It can be seen from the figure that the engaging part can be a hook, and the stopper 3. It is held between the inner surface of the middle frame and the hook. If there is a hanging platform 41, the matching part is correspondingly held between the inner surface of the middle frame and the hanging platform. It can be seen that the assembly process of the button has enough installation space, and the operation is simple and convenient, and because the limit function of the button skirt is no longer needed, the thickness of the middle frame is reduced by about 1 mm, which is conducive to the thinning of electronic equipment.

In addition, the utility model also provides an electronic device, which includes the button assembly as described above. The electronic devices mentioned in the utility model include but not limited to mobile phones, for example, tablet computers, electronic dictionaries, digital cameras, video disc players and the like.

Through the description of the specific implementation, it should be possible to gain a deeper and more specific understanding of the technical means and effects of the utility model to achieve the intended purpose. new restrictions.

Claims (7)

1. A button assembly, characterized in that, comprising: The key body includes a key cap and an engaging portion, the first surface of the key cap is a key operation surface for the key user to operate the key, the second surface of the key cap is opposite to the first surface, The engaging portion extends from the second surface in a direction away from the keycap; The middle frame is provided with an installation through hole, and the installation through hole communicates with the outer side of the middle frame and the inner side of the middle frame, so that the engaging part can pass through the installation through hole from the outer side of the middle frame. hole, and the engaging portion extends to the inner side of the middle frame, wherein the outer surface of the middle frame blocks the keycap from the outer side of the middle frame; A stopper, when the engaging portion penetrates the installation through hole from the outside of the middle frame, and the engaging portion extends to the inside of the middle frame, the stopper is arranged on the between the inner surface of the middle frame and the engaging portion, so as to prevent the engaging portion from slipping out of the installation through hole. 2. The button assembly according to claim 1, wherein the engaging portion is configured as a hook disposed opposite to each other, and the stopper is held between the inner surface of the middle frame and the hook . 3. The key assembly according to claim 2, wherein the key body further comprises a conductive base, the conductive base extends from the second surface to a direction away from the key cap, and the conductive base is set Between the hooks of the engaging portion, the stopper is provided with a groove matching the conductive base. 4. The button assembly according to claim 2, further comprising: a hanging table oppositely arranged extending from the inner side of the middle frame in a direction away from the middle frame, and the hanging table is oppositely arranged Hook-shaped, the hook of the engaging part is set between the hanging platforms, and the two ends of the stopper are respectively provided with matching parts that cooperate with the hanging platform. When the stopper is clamped on Between the inner surface of the middle frame and the hook, the matching portion is clamped between the inner surface of the middle frame and the hanging table. 5. The button assembly according to any one of claims 1 to 4, wherein the keycap and the engaging part are integrally formed, and the material of the keycap and the engaging part is polycarbonate Ester plastic. 6. The key assembly according to claim 5, wherein the key cap is provided with a metal outer layer. 7. An electronic device, comprising the button assembly according to any one of claims 1-6.