CN204652493U - A kind of assembly structure of side switch and mobile terminal - Google Patents

Abstract

The utility model discloses an assembly structure of a side key and a mobile terminal. Wherein, the assembly structure of the side key includes: a housing; an FPC located inside the housing and mounted on the assembly area on the side wall of the housing; a fixing member located inside the housing and mounted on the side wall of the housing At the assembly area of the housing, the FPC is positioned on the housing at the same time; and the side key is located on the outside of the housing and installed at the assembly area on the side wall of the housing, and the side key corresponds to the FPC. The assembly structure of the side key provided by the utility model, since the FPC is positioned on the housing through the fixing piece, the three-dimensional degree of freedom of the FPC is limited, so that after the assembly of the side key is completed, the pressing feel of the side key can be adjusted. After testing, even if the test result of the side key is bad, at most the three parts of the fixing part, FPC and side key can be disassembled, and there is no disassembly action of other accessories, which avoids the problem of scrapping other accessories during the disassembly process and saves labor costs at the same time. , its applicability is remarkable.

Description

A side button assembly structure and mobile terminal

technical field

The utility model relates to the technical field of mobile terminal communication, in particular to an assembly structure of a side key and a mobile terminal.

Background technique

Existing mobile terminals such as mobile phones, tablets, MP3, etc., their side keys, flexible circuit boards (FPC, connected to the control unit of the mobile terminal, the control unit receives the signal of the FPC and processes the signal accordingly) and other related The accessories are assembled on the shell of the mobile terminal one by one, and finally assembled into a complete machine. After the complete machine is assembled, the feel of the side buttons can be tested. That is to say, the FPC is positioned once after assembling other accessories (ie: positioning in the height direction and length direction of the mobile terminal), and then performs secondary positioning through the back shell (ie: positioning in the thickness direction of the mobile terminal). Positioning on the top), two positionings to achieve the final limitation of the three-dimensional freedom of the FPC, to prevent the FPC from moving, and then the detection of the side key feel can be carried out. If there is a situation where the side key is defective and the whole machine needs to be disassembled for analysis, each component needs to be disassembled in reverse order in accordance with the assembly sequence, and during the entire disassembly process, it is easy to have the problem that the related parts are damaged and scrapped due to disassembly, which brings serious problems to the production. Great inconvenience, and waste corresponding manpower cost, its practicability is obviously insufficient.

Utility model content

In order to solve the above technical problems, the utility model provides an assembly structure of a side key and a mobile terminal, which can avoid the problem of scrapping other accessories during disassembly and save labor costs at the same time.

In order to achieve the purpose of the utility model, the utility model provides an assembly structure of a side key, including: a housing; an FPC located inside the housing and installed at the assembly area on the side wall of the housing; positioning the FPC on The fixing part on the housing is located inside the housing and installed at the assembly area on the side wall of the housing; and the side key corresponding to the FPC is located on the outside of the housing and installed on the side wall of the housing at the assembly area.

Optionally, the side key is fixed at an assembly area on the side wall of the housing by clamping.

Optionally, the FPC is fixed on the assembly area on the side wall of the housing by bonding.

Optionally, the fixing member is fixed on the assembly area on the side wall of the housing by clipping.

Optionally, the fixing part has a through slot, the rib beam of the FPC is fixed in the slot, and the compensation end of the FPC is positioned on the fixing part and the housing. Between the side walls at the assembly area, it corresponds to the touch part of the side key.

Optionally, the notch of the card slot is opened at the front end of the fixing member.

Optionally, the fixing member is integrated with the FPC.

Optionally, the side keys include a power key and a volume key arranged at intervals.

Optionally, the side button is made of one of plastic material, metal material, metal material and silicone material, plastic material and silicone material.

The utility model also provides a mobile terminal, comprising: the assembly structure of the side key described in any one of the above embodiments; and a control unit electrically connected to the FPC, installed in the housing.

Compared with the prior art, the assembly structure of the side key of the utility model is because the FPC is positioned on the housing through the fixing piece, and the three-dimensional freedom of the FPC is limited, so that after the assembly of the side key is completed, the side key can be The pressing feel of the key has been tested. Even if the test result of the side key is bad, at most three parts, the fixing part, the FPC and the side key, can be disassembled, and there is no disassembly action of other accessories, which avoids the problem of scrapping other accessories during the disassembly process. At the same time It also saves labor costs, and its usability is remarkable.

Further, in the assembly structure of the side key described in the present utility model, the notch of the card slot is opened at the front end of the fixing part, and the inner wall of the card slot presses the rib beam of the FPC and positions it to realize the alignment of the FPC. In the limit of the thickness direction and height direction of the shell, the fixing part and the inner wall of the shell tighten the compensation end of the PFC to realize the limit of the FPC in the width direction of the shell, so as to realize the limit of the three-dimensional freedom of the FPC .

Furthermore, the mobile terminal provided by the present invention has the advantages of the assembly structure of the side key described in any one of the above embodiments, which will not be repeated here.

To sum up, the assembly structure of the side key provided by the utility model directly detects the side key after the shell, PFC, fixing parts and side key are assembled, and does not need to install other accessories, avoiding the occurrence of other accessories The problem of scrapping during the disassembly process also saves labor costs.

Other features and advantages of the present invention will be set forth in the following description, and, in part, will be apparent from the description, or can be learned by practicing the present invention. The objectives and other advantages of the utility model can be realized and obtained by the structures particularly pointed out in the specification, claims and accompanying drawings.

Description of drawings

The accompanying drawings are used to provide a further understanding of the technical solution of the utility model, and constitute a part of the description, together with the embodiments of the application, are used to explain the technical solution of the utility model, and do not constitute a limitation to the technical solution of the utility model.

Fig. 1 is the local schematic diagram of the embodiment of the decomposition structure of the assembly structure of the utility model side key;

Fig. 2 is a schematic cross-sectional structure diagram of the thickness direction of the assembly structure of the side key shown in Fig. 1;

Fig. 3 is a schematic structural view of the side key in the assembly structure of the side key shown in Fig. 1;

Fig. 4 is a structural schematic diagram of a perspective view of a fixing part in the assembly structure of the side key shown in Fig. 1;

Fig. 5 is a structural schematic view of another angle of view of the fixing part in the assembly structure of the side key shown in Fig. 1;

FIG. 6 is a schematic structural diagram of the FPC in the assembly structure of the side key shown in FIG. 1 .

Wherein, the corresponding relationship between reference numerals and component names in Fig. 1 to Fig. 6 is:

1 Shell, 2 FPC, 21 Rib beam, 22 Compensation end, 3 Fixing piece, 31 Card slot, 4 Side key.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from those described here, therefore, the protection scope of the utility model is not limited by the following disclosure limitations of specific examples.

The assembly structure of the side keys in some embodiments of the present invention will be described below in conjunction with the accompanying drawings.

The assembly structure of the side key provided by the utility model, as shown in Figure 1 and Figure 2, includes: a housing 1; FPC2 (as shown in Figure 6), located inside the housing 1, and installed on the side wall of the housing 1 The assembly area on the top; the fixing part 3 (as shown in Figure 4 and Figure 5), is located inside the housing 1 and is installed on the assembly area on the side wall of the housing 1, while positioning the FPC2 on the housing 1 ; and side key 4 (as shown in FIG. 3 ), located on the outside of housing 1 and installed at the assembly area on the side wall of housing 1 , and side key 4 corresponds to FPC2.

The assembly structure of the side key provided by the utility model, because the FPC2 is positioned on the housing 1 by the fixing part 3, the three-dimensional degree of freedom of the FPC2 is limited, so that after completing the assembly of the side key 4, the side key 4 can be Even if the test result of side button 4 is bad, at most the three parts of fixing part 3, FPC2 and side button 4 can be disassembled, and there is no disassembly action of other accessories, which avoids the problem of scrapping other accessories during the disassembly process , At the same time, it also saves labor costs, and its usability is remarkable.

Wherein, the housing 1 includes a front shell and a rear shell.

In addition, in the assembly structure of the side key provided by the above-mentioned embodiment of the utility model:

Preferably, the side key 4 is fixed on the assembly area on the side wall of the housing 1 by snap-fitting, which is convenient for the side key 4 to be disassembled and replaced when the detection fails, and at the same time reduces the number of side keys 4 and the housing 1. Dismantling the problem of damage, its practicality is remarkable.

Of course, the side key 4 can also be fixed on the housing 1 by means of plug-in, etc., and the purpose of this application can also be achieved. within the scope of protection applied for.

Further, the FPC2 is fixed on the assembly area on the side wall of the housing 1 by bonding, and the FPC2 is pre-positioned by bonding, which facilitates subsequent positioning and fixing of the FPC2.

Of course, the FPC2 can also be positioned on the housing 1 by means of clamping or inserting, which can also achieve the purpose of this application. within the scope of protection applied for.

Further, the fixing member 3 is fixed on the assembly area on the side wall of the housing 1 by clipping, so as to facilitate assembly and disassembly.

Specifically, as shown in Fig. 1, Fig. 2, Fig. 4 and Fig. 5, there is a through slot 31 on the fixing member 3, the rib beam 21 of the FPC2 is snapped and positioned in the slot 31, and the compensation end 22 of the FPC2 is positioned on the Between the fixing part 3 and the side wall at the assembly area on the housing 1 , it corresponds to the touch-control portion of the side key 4 .

Wherein, preferably, as shown in FIG. 1 , the notch of the slot 31 is opened at the front end of the fixing member 3 .

The notch of the slot 31 is opened at the front end of the fixture 3, and the inner wall of the slot 31 presses the rib beam 21 of the FPC2 to position it so as to realize the restriction of the FPC2 in the thickness direction and the height direction of the housing 1. Position, the fixing part 3 and the inner wall of the housing 1 tighten the compensation end 22 of the PFC to realize the limitation of the FPC2 in the width direction of the housing 1, thereby realizing the limitation of the three-dimensional freedom of the FPC2.

Of course, the notch of the draw-in groove 31 can also be set at the rear end edge, the upper end edge, or the lower end edge of the fixing member 3, etc., all can realize the purpose of this application, and its purpose does not deviate from the design idea of the present utility model. This will not be described in detail, but it should belong to the protection scope of the present application.

In an embodiment of the present utility model, the fixing part 3 and the FPC2 may be an integrated structure.

Preferably, the side key 4 includes a power key and a volume key arranged at intervals; and preferably, the side key 4 is made of one of plastic material, metal material, metal material and silicone material, plastic material and silicone material.

The assembly structure of the side key provided by the utility model directly detects the side key 4 after the shell 1, PFC2, fixing part 3 and side key 4 are assembled, and does not need to install other accessories, avoiding the disassembly of other accessories The problem of process scrapping is eliminated, and labor costs are also saved.

The utility model also provides a mobile terminal (not shown in the figure), comprising: the assembly structure of the side key in any one of the above embodiments; and a control unit electrically connected to the FPC, installed in the casing.

Wherein, preferably, the control unit is the main board of the mobile terminal, the FPC is electrically connected to the main board through the elastic piece, and the housing of the side key assembly structure is the housing of the mobile terminal.

The mobile terminal provided by the present invention has the advantages of the assembly structure of the side key described in any one of the above embodiments, which will not be repeated here.

Preferably, the mobile terminal is a mobile phone, a tablet, or an MP3 player.

To sum up, compared with the prior art, the assembly structure of the side key of the present utility model is because the FPC is positioned on the housing through the fixing piece, and the three-dimensional freedom of the FPC is limited, so that after the assembly of the side key is completed , you can test the pressing feel of the side button. Even if the test result of the side button is bad, at most three parts, the fixing piece, the FPC and the side button, can be disassembled, and there is no disassembly action for other accessories, which avoids the disassembly process of other accessories. It eliminates the problem of scrapping and saves labor costs at the same time, and its usability is remarkable.

In the description of the present utility model, the terms "installation", "connection", "connection", "fixation" and so on should be understood broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integrated ground connection; it can be directly connected or indirectly connected through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the description of this specification, descriptions of the terms "one embodiment", "some embodiments" and the like mean that specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment of the present invention or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments disclosed in the present utility model are as above, the content described is only an embodiment adopted to facilitate understanding of the present utility model, and is not intended to limit the present utility model. Anyone skilled in the field of the utility model can make any modifications and changes in the form and details of the implementation without departing from the spirit and scope disclosed by the utility model, but the patent protection scope of the utility model , must still be subject to the scope defined by the appended claims.

Claims (9)

1. An assembly structure of a side key, characterized in that it comprises: a housing (1); The FPC (2) is located inside the housing (1) and installed at the assembly area on the side wall of the housing (1); positioning the FPC (2) on the fixing part (3) on the housing (1), located inside the housing (1), and installed at the assembly area on the side wall of the housing (1); and The side key (4) corresponding to the FPC (2) is located on the outside of the housing (1) and installed at an assembly area on the side wall of the housing (1). 2. The assembly structure according to claim 1, characterized in that, the side key (4) is fixed on the assembly area on the side wall of the housing (1) by clipping. 3. The assembly structure according to claim 1, characterized in that, the FPC (2) is fixed on the assembly area on the side wall of the housing (1) by bonding; the fixing member (3 ) is fixed at the assembly area on the side wall of the housing (1) by clipping. 4. The assembly structure according to claim 3, characterized in that, the fixing member (3) has a through slot (31); The rib beam (21) of the FPC (2) is clamped and positioned in the slot (31), and the compensation end (22) of the FPC (2) is positioned between the fixing member (3) and the shell between the side walls at the assembly area on the body (1) and corresponds to the touch-control portion of the side key (4). 5. The assembly structure according to claim 4, characterized in that, the notch of the locking groove (31) is opened at the front end of the fixing member (3). 6. The assembly structure according to claim 1, characterized in that, the fixing member (3) is integrated with the FPC (2). 7. The assembly structure according to any one of claims 1 to 6, characterized in that the side keys (4) include a power key and a volume key arranged at intervals. 8. The assembly structure according to any one of claims 1 to 6, characterized in that, The side key (4) is made of one of plastic material, metal material, metal material and silicone material, plastic material and silicone material. 9. A mobile terminal, characterized in that, comprising: The assembly structure of the side key as claimed in any one of claims 1 to 8; and A control unit electrically connected to the FPC (2) is installed in the casing (1).