CN110047675B

CN110047675B - Key structure and terminal equipment

Info

Publication number: CN110047675B
Application number: CN201910404710.3A
Authority: CN
Inventors: 黄永
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2021-02-05
Anticipated expiration: 2039-05-16
Also published as: CN110047675A

Abstract

The application provides a button structure and terminal equipment, wherein, the button structure includes support and button, and the button is including pressing splenium and two spacing portions of extending, and the setting of extension contact site is pressing the middle part of splenium. The two extending limiting parts are symmetrically arranged on two sides of the extending contact part. The extension limiting part comprises a first connecting part connected with the pressing part and a bending part connected with the first connecting part; and the two bending parts are positioned between the two first connecting parts, and the free ends of the two bending parts are arranged oppositely. The bracket includes a mounting portion and two blocking portions. The mounting part is used for arranging a contact component matched with the key; the two blocking parts are connected to the mounting part and used for interfering with the two bending parts respectively to block the key from separating from the support. The application provides a button structure only includes two parts of support and button, and simple structure, convenient equipment can improve the packaging efficiency of product, can improve the production efficiency of product promptly, can reduce the manufacturing cost of product.

Description

Key structure and terminal equipment

Technical Field

The application relates to the technical field of electronic devices, in particular to a key structure and a terminal device with the same.

Background

The terminal devices are all provided with key structures, such as side key structures, which are used for triggering the switches. The switch is arranged inside a shell of the electronic equipment, an opening is arranged at a position corresponding to the switch on the shell, and the key is arranged in the opening. The existing key structure is complex in structure, large in occupied space and not beneficial to space utilization and assembly of terminal equipment. Therefore, further improvements in key structures and terminal devices are needed.

Disclosure of Invention

According to the key structure and the terminal equipment, the key structure is simple in structure, convenient to assemble and small in occupied space.

An embodiment of a first aspect of the present application provides a key structure for a terminal device, including a support and a key, the key includes: a pressing part; an extended contact portion provided at a middle portion of the pressing portion; the two extending limiting parts are symmetrically arranged on two sides of the extending contact part and are respectively positioned at two ends of the pressing part; the extension limiting part comprises a first connecting part connected with the pressing part and a bending part connected with the first connecting part; the two bending parts are positioned between the two first connecting parts, and the free ends of the two bending parts are arranged opposite to each other; the bracket includes: the mounting part is used for arranging a contact component matched with the key; and the two blocking parts are connected to the mounting part and are used for respectively interfering with the two bending parts to block the key from being separated from the support.

According to the key structure provided by the application, on one hand, the key structure only comprises the support and the key, the structure is simple, the assembly is convenient, the assembly efficiency of a product can be improved, the production efficiency of the product can be improved, and the production and manufacturing cost of the product can be reduced; on the other hand, the installation part for accommodating the contact assembly is provided with the blocking part, a carrier of the blocking part is not required to be independently arranged, the size of the key structure is small, the occupied space is small, and the installation space of the terminal device can be increased.

An embodiment of a second aspect of the present application provides a terminal device, including: a housing; in the above key structure, the keys of the key structure penetrate through the side of the housing along the first direction, and the bracket of the key structure is fixed on the housing to prevent the keys from separating from the housing along the first direction; and the contact assembly is arranged on the shell or the bracket and comprises a contact, and the extending contact part of the key is used for triggering the contact.

According to the terminal equipment, on one hand, the key structure is simple in structure and convenient to assemble, the production efficiency of the terminal equipment can be improved, and the production and manufacturing cost of the terminal equipment can be reduced; on the other hand, the occupied space of the key structure is smaller, the effective space is increased, and the installation of other structures is facilitated.

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.

Drawings

In order to more clearly illustrate the technical embodiments in the embodiments of the present application, the drawings that are needed to be used in the embodiments or the prior art description will be briefly described below.

Fig. 1 is a schematic perspective view of a key structure according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a front view of the key structure shown in FIG. 1;

FIG. 3 is a schematic perspective view of a key according to an embodiment of the present application;

FIG. 4 is a schematic diagram of a front view of the key shown in FIG. 3;

FIG. 5 is a schematic structural view of a stent according to an embodiment of the present application;

fig. 6 is a schematic perspective view of a terminal device according to an embodiment of the present application;

fig. 7 is a partial structural diagram of the terminal device shown in fig. 6;

FIG. 8 is an exploded view of the structure shown in FIG. 7;

FIG. 9 is a schematic perspective view of an embodiment of the bracket shown in FIG. 7;

FIG. 10 is a front view of the bracket of FIG. 9;

FIG. 11 is a schematic perspective view of another embodiment of the bracket shown in FIG. 7;

FIG. 12 is a front view of the stand of FIG. 11;

FIG. 13 is a schematic diagram of a partially exploded view of an embodiment of a prior art key structure;

FIG. 14 is a partially exploded view of another embodiment of a prior art key structure.

Description of reference numerals:

the key structure 100, the key 10, the pressing portion 11, the extending limiting portion 12, the first connecting portion 121, the bending portion 122, the extending contact portion 13, the bracket 20, the mounting portion 21, the blocking portion 22, the second connecting portion 221, the stopping portion 222, the mounting groove 231, the notch 232, the terminal device 200, the housing 300, the key 10 ', the bracket 20 ', and the bezel 30 '.

Detailed Description

The following discussion provides a number of embodiments of the application. While each embodiment represents a single combination of inventive elements, the elements of different embodiments of the disclosure may be substituted or combined and thus the disclosure is intended to include all possible combinations of elements of the same and/or different embodiments as disclosed. Thus, if one embodiment comprises element A, B, C and another embodiment comprises a combination of elements B and D, then this application is also contemplated to include embodiments having all other possible combinations of one or more of the elements A, B, C, D, even though such embodiments may not be explicitly recited in the following text.

In the related art, as shown in fig. 13 and 14, the button structure includes a button 10 ' and a bracket 20 ', and the button 10 ' and the bracket 20 ' are fixed to a bezel 30 '.

In the related art, the following requirements are usually satisfied in the key structure:

1. the upper, middle and lower positions of the press key can ensure the normal use of the function (the three positions all realize the same function).

2. The upper, middle and lower positions of the press key need to be reset after being released.

3. The keys cannot be loosened or dropped.

The specific structural arrangement that satisfies the above requirements is described in detail below with reference to fig. 13:

1. the normal use of the function can be ensured with respect to the upper, middle and lower pressing of the key 10':

a. the key 10 'is in direct contact with the key contact, and the function can be directly ensured by pressing the middle of the key 10'.

b. When the upper end of the key 10 ' is pressed, the lower end of the key 10 ' is limited by the limiting bracket 20 ', and at this time, the upper end of the key 10 ' presses and drives the middle contact point to realize the function of the key 10 ' by taking the lower end as a fulcrum.

2. About can guaranteeing to reset after pressing loose hand:

a. when the middle position of the button 10 'is pressed and the button 10' contacts with the contact, the contact itself has a rebound force, and the release of the hand can directly realize the reset.

b. When the upper end of the button 10 ' is pressed, the contact point is rebounded due to the lower end of the button 10 ' as a fulcrum, and the button can be reset after releasing the hand (the principle of resetting the lower end of the button 10 ' is the same as that of the upper end, and is not described in detail here).

3. As regards the non-release of the push-button 10':

a. the key 10 ' is inserted from the X-axis direction of the middle frame 30 ', and the key 10 ' has no space to move in the Y-axis direction and the Z-axis direction. Meanwhile, the movement of the key 10 ' in the X-axis direction can be limited due to the existence of the left and right limit brackets 20 ', so that the key 10 ' cannot be loosened.

b. The key contacts are inserted into the middle frame 30 'from the Z-axis direction, and the key 10' has no moving space along the X-axis direction and the Y-axis direction. Meanwhile, the limiting bracket 20' has the function of limiting the Z-axis direction, so that the locking device cannot be loosened.

The key structure has the advantages of complex structure, large occupied space and high cost.

In view of this, the key structure and the terminal device provided in the embodiments of the present application have a simple structure, are convenient to assemble, and occupy a small space.

The scheme of the application is specifically explained in the following with reference to the figures.

Fig. 1 is a schematic perspective view of a key structure according to an embodiment of the present application; fig. 2 is a schematic front view of a key structure. Fig. 3 is a schematic perspective view of a key according to an embodiment of the present application.

The embodiment of the first aspect of the present application as shown in fig. 1 and 2 provides a key structure 100 for a terminal device, which includes a support 20 and a key 10. The key 10 includes: a pressing part 11 and two extension limiting parts 12. As shown in fig. 3, the extended contact portion 13 is provided in the middle of the pressing portion 11. The two extension limiting parts 12 are symmetrically arranged on two sides of the extension contact part 13 and are respectively positioned at two ends of the pressing part 11.

In an embodiment of the present application, a height of the extension contact portion is less than a height of the extension stopper portion. This kind of structure is guaranteeing the operation requirement's of product the condition, and the button can be done less, and the button occupation space is less, and effective space increases makes things convenient for the installation of other structures. In the related art, the extending contact part and the extending limiting part have the same height, or the extending contact part is higher than the extending limiting part, so that the overall size of the key is larger and the occupied installation space is larger under the condition of ensuring use.

Fig. 4 is a schematic front view of the key.

As shown in fig. 4, the extension limiting portion 12 includes a first connecting portion 121 connected to the pressing portion 11 and a bending portion 122 connected to the first connecting portion 121. The two bent portions 122 are located between the two first connecting portions 121, and free ends of the two bent portions 122 are disposed opposite to each other. In the related art, the bending portions of the key are generally disposed on two sides of the key, and the free ends of the two bending portions are disposed opposite to each other, so that the size of the outer contour of the key is large and the occupied installation space is large.

In the embodiment of the present application, an arc transition is formed between the first connecting portion and the bending portion. On one hand, when the user presses the offset of the key, that is, when the user presses one end of the key, the key rotates and moves downward with the extension limiting part and the extension contact part at the other end as a fulcrum. The circular arc transition ensures that the contact part of the extending limiting part and the blocking part is a circular arc, so that the rotation of the key is smoother, and the probability of blockage can be reduced. On the other hand, the sharp corner formed between the first connecting part and the bending part is avoided, namely, the stress concentration between the first connecting part and the bending part is avoided, the probability of breakage between the first connecting part and the bending part can be reduced, and the service life of the product can be prolonged.

Fig. 5 is a schematic structural diagram of a stent according to an embodiment of the present application.

As shown in fig. 5, the bracket 20 includes a mounting portion 21 and two blocking portions 22. The mounting portion 21 is used to provide a contact assembly for mating with the key 10. The two blocking portions 22 are connected to the mounting portion 21, and the two blocking portions 22 are respectively interfered with the two bending portions 122 to block the key 10 from being separated from the bracket 20. In the related art, a support capable of preventing the key from falling off from the mobile terminal is arranged on a shell of the mobile terminal, and a structure for independently installing a contact is arranged on the shell, so that the support structure can occupy a larger space of the shell. In addition, the connecting structure between the bracket and the shell is complex, and the assembly is complex.

The application provides a key structure 100, on the one hand, this kind of key structure 100 only includes two parts of support 20 and button 10, and simple structure, convenient equipment can improve the packaging efficiency of product, can improve the production efficiency of product promptly, can reduce the production manufacturing cost of product. On the other hand, the installation portion 21 for accommodating the contact assembly (not shown in the figure) is provided with the blocking portion 22, a carrier of the blocking portion 22 does not need to be separately provided, the size of the key structure 100 is small, the occupied space is small, and the installation space of the terminal device 200 can be increased.

In addition, the first connection portion 121 can limit the moving distance of the key 10, and the bent portion 122 can interfere with the blocking portion 22, preventing the key 10 from slipping off. Specifically, the extending limiting part 12 can be integrally in an L shape, the extending limiting part 12 is simple in structure, easy to produce and manufacture, high in production efficiency of products, and capable of reducing production and manufacturing costs of the products. Optionally, the bent portion is perpendicular to the first connecting portion.

In the optional embodiment of the application, the pressing part, the extending contact part and the extending limiting part are of an integrated structure, the mechanical strength of the key is high, and the service life of the key is long. The key can be integrally cast and formed, the production efficiency of products can be improved, and the production and manufacturing cost of the products can be reduced.

In the embodiment of the application, the blocking portion comprises a second connecting portion connected with the mounting portion and a stopping portion connected with the second connecting portion, the free ends of the two stopping portions are arranged in a mutually opposite mode, and the stopping portion interferes with the bending portion to block the key from being separated from the support. The blocking part is in an L shape as a whole. Optionally, the blocking portion is perpendicular to the second connecting portion.

In this embodiment, the second connecting portion and the first connecting portion cooperate to limit the moving distance of the key, and the stopping portion interferes with the bending portion to prevent the key from slipping off. The blocking part has simple structure, easy production and manufacture, high production efficiency of products and capability of reducing the production and manufacture cost of the products.

In addition, the second connecting part and the stopping part are in arc transition, so that the rotation of the key is smoother, and the probability of blockage can be reduced. Meanwhile, the probability of breakage between the second connecting portion and the stopping portion can be reduced, and the service life of a product can be prolonged.

In the embodiment of the application, the mounting part and the blocking part are of an integrated structure. On the one hand, can guarantee the joint strength between installation department and the stop part, can increase the mechanical strength of support, can prolong the life of product, can increase the market competition of product. On the other hand, the installation part and the blocking part can be integrally cast, so that the production efficiency of products can be improved, and the production and manufacturing cost of the products can be reduced.

In the embodiment of the present application, the stopping portion is an arc-shaped plate, and the arc-shaped plate covers the bending portion. In the installation process of the key structure, the key is installed on the terminal equipment firstly, then the support is installed on the support, and the stopping part is the arc-shaped plate, so that the arc-shaped plate plays a certain limiting role on the bending part, and the probability that the key is separated from the support can be reduced.

Fig. 6 is a schematic perspective view of a terminal device according to an embodiment of the present application; fig. 7 is a partial structural diagram of a terminal device; fig. 8 is an exploded structural view of a partial structure of the terminal device of fig. 8.

As shown in fig. 6 to 8, a terminal device 200 provided by an embodiment of the second aspect of the present application includes: a housing 300, a key structure 100 of any of the above, and a contact assembly.

As shown in fig. 8, the key 10 of the key structure 100 is inserted through the side of the housing 300 along the first direction F1, and the bracket 20 of the key structure 100 is fixed on the housing 300 to block the key 10 from being separated from the housing 300 along the first direction F1.

A contact assembly is provided on the housing 300 or the support 20, the contact assembly including contacts, the extended contact portion 13 of the key 10 being used to activate the contacts.

According to the terminal device 200 provided by the application, on one hand, the key structure 100 is simple in structure and convenient to assemble, the production efficiency of the terminal device 200 can be improved, and the production and manufacturing cost of the terminal device 200 can be reduced; on the other hand, the key structure 100 occupies a smaller space, increases the effective space, and facilitates the installation of other structures.

The terminal device 200 includes a mobile phone, a notebook or a tablet computer, and the like.

As shown in fig. 8, in the embodiment of the present application, the housing 300 includes a middle frame, the middle frame is provided with slots, the contact assemblies are first inserted into the slots (not shown) along a second direction F2 perpendicular to the plane of the housing 300, and then the support 20 is inserted into the middle frame along the second direction F2, so as to limit the movement of the contact assemblies in the second direction F2. The stability of the fixation of the contact assembly is ensured by the double limitation of the middle frame and the bracket 20 to the electric shock assembly.

In the embodiment of the present application, the first connection portion 121 of the key 10 is parallel to the second connection portion 221 of the support 20.

FIG. 9 is a perspective view of one embodiment of a stent; FIG. 10 is a front view of the stand; FIG. 11 is a perspective view of another embodiment of a stent; fig. 12 is a front view of the stand.

As shown in fig. 9 to 12, in the embodiment of the present application, the mounting portion 21 is provided with a receiving space for receiving a contact assembly (not shown) on the terminal device 200, which is engaged with the key 10.

In this embodiment, the setting of the accommodating space can assemble the support 20 and the contact assembly into one component, and in the process of assembling the terminal device 200, the contact assembly is firstly installed on the support 20, and the support 20 is assembled on the terminal device 200, so that the assembling effect of the product can be improved, that is, the production efficiency of the product can be improved, and the production and manufacturing costs of the product can be reduced. Of course, the contact assembly may be mounted to the housing first, and the key structure may be mounted after the bracket is assembled to the terminal device.

In an embodiment of the present application, as shown in fig. 9 and 10, the mounting portion 21 includes a notch 232, and the notch 232 is configured to receive at least a portion of a contact assembly, which is disposed between the housing 300 and the bracket 20. The provision of the notch 232 can reduce the overall weight of the mounting portion 21, and can reduce the overall weight of the terminal device 200. A guide groove is formed on a hole wall of the notch 232, and a contact assembly (not shown) is inserted into the notch 232 along the guide groove.

In the embodiment of the present application, as shown in fig. 11 and 12, the mounting portion 21 includes a mounting groove 231, a sliding groove is provided on a groove wall of the mounting groove 231, and the contact assembly is adapted to be inserted into the mounting groove 231 along the sliding groove.

In this embodiment, on the one hand, the bottom wall of the mounting groove 231 can support the contact assembly, which plays a role in protecting the contact assembly, can reduce the probability of damage to the contact assembly, and can prolong the service life of the product. On the other hand, the mechanical structure of the mounting portion 21 is relatively high, so that the probability of damage to the mounting portion 21 can be reduced, and the service life of the product can be prolonged.

In an alternative embodiment of the present application, the contact assembly may be directly affixed to the mounting portion.

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 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 key structure for terminal equipment comprises a bracket and a key, and is characterized in that,

the key includes:

a pressing part;

an extended contact portion provided at a middle portion of the pressing portion; and

the two extending limiting parts are symmetrically arranged on two sides of the extending contact part and are respectively positioned at two ends of the pressing part; the extension limiting part comprises a first connecting part connected with the pressing part and a bending part connected with the first connecting part; the two bending parts are positioned between the two first connecting parts, and the free ends of the two bending parts are arranged opposite to each other;

the bracket includes:

the mounting part is used for arranging a contact component matched with the key; and

two stop parts, two the stop part connect in the installation department, and two the stop part be used for respectively with two the kink interferes in order to block the button breaks away from the support.

2. The key structure of claim 1,

the blocking portion comprises a second connecting portion and a stopping portion, the second connecting portion is connected with the mounting portion, the stopping portion is connected with the second connecting portion, the free ends of the stopping portions are arranged in a back-to-back mode, and the stopping portions interfere with the bending portions to block the key from being separated from the support.

3. The key structure of claim 1,

the mounting part and the blocking part are of an integrated structure; and/or

The pressing part, the extending contact part and the extending limiting part are of an integrated structure.

4. The key structure of claim 1,

the height of the extension contact part is smaller than that of the extension limiting part.

5. A terminal device, comprising:

a housing;

the key structure according to any one of claims 1-4, wherein the keys of the key structure are disposed through the side of the housing along a first direction, and the brackets of the key structure are fixed on the housing to block the keys from being separated from the housing along the first direction; and

the contact assembly is arranged on the shell or the support and comprises a contact, and the extending contact part of the key is used for triggering the contact.

6. The terminal device of claim 5,

the shell comprises a middle frame, a first fixing plate and a second fixing plate,

the middle frame is provided with a slot, and the contact assembly is inserted into the slot along a second direction perpendicular to the plane where the shell is located.

7. The terminal device of claim 6,

the support is inserted into the middle frame along the second direction and limits the movement of the contact assembly in the second direction.

8. The terminal device of claim 7,

the first connecting part of the key is parallel to the second connecting part of the bracket.

9. The terminal device of claim 5,

the installation part of the key structure comprises a notch, the notch is used for accommodating at least one part of the contact assembly, and the contact assembly is arranged between the shell and the bracket.

10. The terminal device of claim 5,

the key structure the installation department includes the mounting groove, be provided with the spout on the cell wall of mounting groove, the contact subassembly is suitable for to follow the spout inserts the mounting groove.