CN212365799U

CN212365799U - Switch module and electronic equipment

Info

Publication number: CN212365799U
Application number: CN202020361622.8U
Authority: CN
Inventors: 卓民; 辛志峰; 姚永波
Original assignee: Lenovo Beijing Ltd
Current assignee: Lenovo Beijing Ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2021-01-15
Anticipated expiration: 2030-03-20

Abstract

The embodiment of the application discloses switch module and electronic equipment, this switch module includes: the circuit board is provided with at least one first fixing hole; the power key is positioned on the first side of the circuit board and provided with at least one second fixing hole; the fixing piece is positioned on one side of the power key, which is far away from the circuit board, and is provided with a first through hole, and at least part of area of the power key is exposed by the first through hole; at least one fixed column, the fixed column, first fixed orifices and second fixed orifices one-to-one, the fixed column is through first fixed orifices and second fixed orifices fixed connection circuit board, power key and mounting, thereby make switch module can transport the complete machine factory by an overall structure's form, assemble in the electronic equipment, and then make this switch module before assembling in the electronic equipment, can press the capability test, select the switch module who accords with predetermined requirement and assemble again in the electronic equipment, be favorable to pressing of power key and feel and unify the management and control, user experience is higher.

Description

Switch module and electronic equipment

Technical Field

The application relates to the technical field of electronics, especially, relate to a switch module and electronic equipment.

Background

With the development of electronic technology, the application of electronic devices is becoming more and more common, and the electronic devices become essential tools for daily work and life of people gradually. However, in actual use, the pressing hand feeling of the power key of the electronic device is difficult to control, and user experience is affected.

SUMMERY OF THE UTILITY MODEL

In a first aspect, an embodiment of the present application provides a switch module, including:

the circuit board is provided with at least one first fixing hole;

the power key is positioned on the first side of the circuit board and provided with at least one second fixing hole;

the fixing piece is positioned on one side, away from the circuit board, of the power key and provided with a first through hole, and at least part of area of the power key is exposed by the first through hole;

the fixing columns, the first fixing holes and the second fixing holes correspond to one another one to one, and the fixing columns are fixedly connected with the circuit board, the power keys and the fixing pieces through the first fixing holes and the second fixing holes.

Optionally, the fixing column is located on the fixing piece and integrated with the fixing piece into a whole

Optionally, the power key includes a first portion and a second portion, wherein the first portion is configured to be pressed by a user, and the second portion has the second fixing hole, and is configured to be fixedly connected to the fixing member.

Optionally, the second portion is an elastic arm fixedly connected to the first portion, and the elastic arm enables the first portion of the power key to move from a first position to a second position along a first direction when the power key is subjected to a pressing force, and enables the first portion of the power key to return to the first position when the force applied to the power key is removed;

wherein the first direction is directed to the circuit board by the power key.

Optionally, a trigger is arranged on the circuit board, and the trigger controls the switch module to switch between a first state and a second state when the power key receives an external acting force, wherein the switch module is in a conducting state in the first state, and the switch module is in a disconnecting state in the second state.

Optionally, the trigger is a snap dome.

Optionally, the circuit board is further provided with a plurality of light sources arranged along the circumferential direction, and the power key exposes the light sources; the switch module further comprises:

the light guide piece is positioned on the light path of the light source and used for guiding light rays emitted by the light source, and the light guide piece is provided with a second through hole which corresponds to the first through hole and exposes the power key;

the fixing piece is located one side of the light guide piece, which deviates from the circuit board, and the fixing piece is an aperture and used for limiting the shape of a light spot presented by the switch module when the switch module is in the first state.

Optionally, the light guide part is provided with at least one third fixing hole, the third fixing holes correspond to the fixing columns one to one, and the light guide part is located between the power key and the fixing part;

the fixing column penetrates through the third fixing hole, the second fixing hole and the first fixing hole in sequence and is fixedly connected with the circuit board, the power key and the light guide piece.

Optionally, the method further includes:

and the fingerprint identification piece is positioned on one side of the power key, which deviates from the circuit board, and is adhered with the power key.

In a second aspect, an embodiment of the present application further provides an electronic device, where a housing of the electronic device is provided with a switch hole, and the switch module is at least partially located in the switch hole and is fixedly connected to the electronic device; wherein, the switch module is any one of the switch module of the above-mentioned.

In the switch module provided by the embodiment of the application, the fixing column is fixedly connected with the circuit board, the power key and the fixing piece through the first fixing hole and the second fixing hole, so that the switch module can be transported to a whole machine factory in an integral structure mode and assembled in electronic equipment. Therefore, the switch module that this application embodiment provided can press the capability test before assembling in the electronic equipment to select the switch module that accords with predetermined requirement and transport to the complete machine factory, assemble in the electronic equipment, thereby can be right the power key among the electronic equipment press and feel and carry out unified management and control, user experience is higher.

In addition, the switch module provided by the embodiment of the application is assembled in a module factory and then is transported to a whole machine factory for assembly, so that information such as manufacturing process and parameters can be mutually referred during design and manufacturing, and the influence on the pressing performance of the switch module due to process parameter errors among all components after the switch module is manufactured is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is an exploded view of a switch module according to an embodiment of the present application;

fig. 2 is a cross-sectional view of a switch module according to an embodiment of the present application;

fig. 3 is a side view of one side of the circuit board in the switch module according to an embodiment of the present application;

fig. 4 is a side view of one side of the fixing member in the switch module according to an embodiment of the present application;

FIG. 5 is a schematic diagram of an electronic device according to an embodiment of the present application;

fig. 6 is a partial schematic view of the electronic device according to an embodiment of the present application when the switch module is assembled with the electronic device housing;

fig. 7 is a partial schematic view of the switch module assembled to the switch hole of the electronic device housing.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited to the specific embodiments disclosed below.

As described in the background section, in actual use, the pressing hand feeling of the power key of the electronic device is difficult to control, which affects user experience.

The power key structure comprises a circuit board, a power key and other structures, and the structures are independently designed and manufactured by different suppliers, then are respectively conveyed to a whole machine factory and are uniformly assembled in the electronic equipment, and the pressing performance of the power key is tested by taking the whole electronic equipment as an object, so that the pressing performance of the power key in different electronic equipment is uneven, and the unified control is difficult.

Moreover, in the prior art, the way of assembling the components of the power key structure into the electronic device is mainly to fix the assembled components on the host of the electronic device by screws, so that the assembling and disassembling of the power key structure are complicated, and therefore, even if the pressing hand feeling is slightly poor after the power key pressing performance test is performed by taking the whole electronic device as an object, the power key structure cannot be reassembled as long as the power key structure meets the minimum quality standard, and the user experience is affected.

In view of the above, an embodiment of the present invention provides a switch module, as shown in fig. 1, the switch module includes:

the circuit board 10 is provided with at least one first fixing hole 11;

the power key 20 is positioned on the first side of the circuit board 10, and the power key 20 is provided with at least one second fixing hole 221;

the fixing part 30 is positioned on the side, away from the circuit board 10, of the power key 20, the fixing part 30 is provided with a first through hole 31, and at least partial area of the power key 20 is exposed by the first through hole 31 so as to be pressed by a user;

the fixing posts 40, the first fixing holes 11 and the second fixing holes 221 are in one-to-one correspondence, and the fixing posts 40 are fixedly connected with the circuit board 10, the power key 20 and the fixing member 30 through the first fixing holes 11 and the second fixing holes 221.

Optionally, the switch module includes two fixing posts 40, the circuit board 10 has two first fixing holes 11, and the power key has two second fixing holes 221, so as to improve the fixing effect of the circuit board 10, the power key 20, and the fixing member 30.

In the switch module provided in the embodiment of the present application, the fixing post 40 is fixedly connected to the circuit board 10, the power key 20, and the fixing member 30 through the first fixing hole 11 and the second fixing hole 221, so that the switch module can be transported to a whole plant in an integral structure and assembled in an electronic device. Therefore, the switch module that this application embodiment provided can press the capability test before assembling in the electronic equipment to select the switch module that accords with predetermined requirement and transport to the complete machine factory, assemble in the electronic equipment, thereby can be right the power key 20 among the electronic equipment presses and feels and carry out unified management and control, and user experience is higher.

In addition, the switch module provided by the embodiment of the application is assembled in a module factory and then transported to a whole module factory for assembly, so that during design and manufacture, information such as manufacturing process and parameters can be mutually referred to for integral design and manufacture, and the influence on the pressing performance of the switch module due to process parameter errors among all components after the switch module is manufactured is reduced.

On the basis of the above embodiments, in an embodiment of the present application, the fixing post 40 is located on the fixing member 30 and located on a side of the fixing member 30 facing the power key 20, so that the fixing post 40 fixes the fixing member 30, the power key 20 and the circuit board 10 together through the first fixing hole 11 and the second fixing hole 221.

Optionally, on the basis of the above embodiment, in an embodiment of the present application, the fixing column 40 and the fixing member 30 are integrated to increase the fixing strength between the fixing column 40 and the fixing member 30, and simplify the manufacturing process of the switch module.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, where fig. 1 is an exploded view of a switch module, fig. 2 is a cross-sectional view of the switch module, and fig. 3 is a side view of a circuit board side of the switch module, in an embodiment of the present application, after the fixing post 40 passes through the first fixing hole 11 and the second fixing hole 221 in sequence, the fixing post 40 is thermally fused by a thermal fusion process on a side of the second fixing hole 221 away from the first fixing hole 11, so as to fix the circuit board 10, the power key 20 and the fixing member 30. However, the present application is not limited thereto, and in other embodiments of the present application, after the fixing posts 40 sequentially pass through the first fixing holes 11 and the second fixing holes 221, the fixing of the circuit board 10, the power key 20, and the fixing member 30 may also be achieved in other manners, as the case may be.

On the basis of the above embodiments, in an embodiment of the present application, the fixing member 30 is a polycarbonate fixing member 30, and the forming process is an injection molding process, that is, the fixing member 30 is a polycarbonate member manufactured by using the injection molding process, so as to improve the mechanical performance of the fixing member 30.

Optionally, in an embodiment of the present application, the fixing member 30 is a polycarbonate member doped with titanium dioxide.

Specifically, on the basis of the above-mentioned embodiment, in an embodiment of the present application, as shown in fig. 1, the power key 20 includes a first portion 21 and a second portion 22, where the first portion 21 is used for being pressed by a user, and the second portion 22 has the second fixing hole 221, which is used for being fixedly connected with the fixing member 30, so that a portion of the power key 20 for being pressed by the user and a portion for being fixed are separated from each other, and it is ensured that the arrangement of the second fixing hole 221 does not affect the pressing performance of the power key 20.

On the basis of the above embodiment, in an embodiment of the present application, the second portion is an elastic arm fixedly connected to the first portion, and the elastic arm moves the first portion of the power key 20 from the first position to the second position along the first direction when the power key 20 is pressed, and returns the first portion of the power key 20 to the first position when the force applied to the power key 20 disappears, so as to press the power key 20. Wherein the first direction is directed to the circuit board 10 by the power key 20, and a distance between the first position and the circuit board 10 is greater than a distance between the second position and the circuit board 10.

Optionally, in an embodiment of the present application, the elastic arm includes a first elastic arm and a second elastic arm respectively disposed at two sides of the first portion, so as to ensure that the first portion is located at a central area of the first through hole as much as possible when the power key moves back and forth between the first position and the second position.

Specifically, in the above embodiment, the circuit board 10 is provided with the trigger 12, and when the power key 20 receives an external force, the trigger 12 controls the switch module to switch between a first state and a second state, where in the first state, the switch module is in an on state, and in the second state, the switch module is in an off state.

Specifically, the trigger 12 is located between the power key 20 and the circuit board 10, when the power key 20 is pressed to move from a first position to a second position, the power key 20 provides an acting force along a first direction to the trigger 12, the trigger 12 controls the switch module to switch from the off state to the on state under the action of the acting force, when the acting force applied to the power key 20 disappears, the power key 20 returns to the first position under the action of the resilience force provided by the elastic arm, and the acting force applied to the trigger 12 by the power key 20 disappears. When the power key 20 is pressed again to move from the first position to the second position, the power key 20 provides an acting force in the first direction for the trigger 12, the trigger 12 controls the switch module to switch from the on state to the off state under the action of the acting force, when the acting force applied to the power key 20 disappears, the power key 20 returns to the first position under the action of the resilience force provided by the elastic arm, and the acting force applied to the trigger 12 by the power key 20 disappears, so that the next triggering of the power key 20 is facilitated.

Optionally, on the basis of the above embodiment, in an embodiment of the present application, the triggering member 12 is a snap piece, but the present application does not limit this, as the case may be.

On the basis of any of the above embodiments, in an embodiment of the present application, in order to enable a user to quickly identify a position of the switch module and a working state of the switch module, as shown in fig. 1, a plurality of light sources 13 arranged along a circumferential direction are further disposed on the circuit board 10, and the light sources 13 are turned on when the switch module is in the working state to prompt the user that the current working state of the switch module is the working state; the light source 13 is not lit when the switch module is in the non-operating state to prompt the user that the current operating state of the switch module is the non-operating state. Specifically, in an embodiment of the present application, the plurality of light sources 13 on the circuit board 10 are soldered on the circuit board 10, but the present application is not limited thereto, as the case may be.

It should be noted that, in the above embodiment, the power key 20 exposes the light source 13, so as to prevent the power key 20 from blocking the light of the light source to affect the lighting effect of the light source when the light source 13 is lighted,

optionally, on the basis of the above embodiments, in an embodiment of the present application, on the plane where the circuit board 10 is located, the first portion 21 of the power key 20 is located in an area surrounded by the plurality of light sources 13, and the second portion 22 of the power key 20 is located in a gap between adjacent light sources 13, so as not to affect the pressing of the first portion 21 and not to block light emitted by the light sources 13.

On the basis of the above embodiments, in an embodiment of the present application, as shown in fig. 1 and fig. 2, the switch module further includes: the light guide part 50 is located on the light path of the light source 13, the light guide part 50 is used for guiding light rays emitted by the light source 13, the light guide part 50 is provided with a second through hole 52, the second through hole 52 corresponds to the first through hole 31, and the power key 20 is exposed, so that a user can press the power key 20 conveniently.

It should be noted that, in the embodiment of the present application, if the power key 20 includes the first portion 21 for being pressed by the user and the second portion 22 having the second fixing hole 221, the exposing of the second through hole 52 of the light guide 50 to the power key 20 means that the second through hole 52 of the light guide 50 exposes the first portion 21 of the power key 20, that is, as long as it is ensured that the second through hole 52 of the light guide 50 exposes the portion for being pressed by the user on the power key 20, the pressing by the user is not affected.

Optionally, in an embodiment of the present application, the light guide 50 is located between the power key 20 and the fixing member 30, so as to avoid that the light guide 50 is located when the power key 20 deviates from one side of the fixing member 30, the second portion of the power key 20 blocks the phenomenon of the light guide 50 emitting light, which affects the light emitting uniformity of the aperture.

It should be further noted that, in the embodiment of the present application, the fixing member 30 is located on a side of the light guide member 50 away from the circuit board 10, so that the fixing post 40 can fix the light guide member 50 between the fixing member 30 and the circuit board 10 when the fixing member 30, the power key 20 and the circuit board 10 are fixedly connected through the first fixing hole 11 and the second fixing hole 221 by disposing the light guide member 50 between the fixing member 30 and the power key 20.

Optionally, in an embodiment of the present application, the fixing element 30 is an aperture for limiting a light spot shape exhibited by the switch module when the switch module is in the first state, so as to improve a visual effect exhibited when the light source is in the lighting state.

It should be noted that, in the switch module provided in the embodiment of the present application, the circuit board 10 and the light source 13 disposed thereon, the light guide 50 and the fixing member 30 are designed and manufactured in a module factory in a unified manner, so that the difference in light intensity uniformity of different areas of the aperture caused by the parameters such as the layout, size and shape of the light source 13, the light guide 50 and the fixing member 30 can be reduced, and the light emitting uniformity of the entire aperture can be improved.

Moreover, in the switch module that this application embodiment provided, power key 20 with the mounting 30 is unified the preparation by same module factory, compare in power key 20 with mounting 30 is made by different manufacturers, the switch module that this application embodiment provided can reduce power key 20 with the manufacturing tolerance of mounting 30 to solve because power key 20 with the manufacturing tolerance of mounting 30 is great and lead to the problem of the difficult management and control of gap between power key 20 and the light ring, improve the visual effect of switch module.

On the basis of any of the above embodiments, in an embodiment of the present application, the light guide 50 has at least one third fixing hole 51, the third fixing hole 51 corresponds to the fixing post 40 in a one-to-one manner, and the light guide 50 is located between the power key 20 and the fixing member 30, in the embodiment of the present application, the fixing post 40 sequentially penetrates through the third fixing hole 51, the second fixing hole 221 and the first fixing hole 11, and is fixedly connected to the circuit board 10, the power key 20 and the light guide 50, so as to improve a fixing effect between components in the switch module.

As shown in fig. 1, fig. 2 and fig. 4, fig. 4 is a side view of one side of the fixing member in the switch module, and on the basis of any of the above embodiments, in an embodiment of the present application, the switch module further includes: be located power key 20 deviates from circuit board 10 one side, with the fingerprint identification piece 60 that power key 20 bonded to press at the user finger during power key 20, utilize fingerprint identification piece 60 carries out fingerprint identification to the user, improves security when switch module is applied to electronic equipment.

On the basis of the above embodiment, in an embodiment of the present application, a first adhesive layer is provided between the fingerprint identification member 60 and the power key 20, and the first adhesive layer is used for fixedly connecting the fingerprint identification member and the power key 20 so as to prevent the fingerprint identification member 60 and the power key 20 from being separated. Optionally, the first adhesive layer is a double-sided tape.

By last knowing, the switch module that this application embodiment provided piles up by circuit board 10, power key 20, leaded light 50, mounting 30 and the fingerprint identification piece 60 that is provided with trigger piece and light source and forms, and the module structure is comparatively simple, and is lower to the required precision of assembly tolerance and component element to not only can reduce the cost of switch module can also improve switch module's life.

In addition, the embodiment of the application also provides the electronic equipment. As shown in fig. 5, fig. 5 is a structural schematic diagram of an electronic device according to an embodiment of the present application, a switch hole 101 is formed in a housing 100 of the electronic device according to the embodiment of the present application, and the switch module 200 is at least partially located in the switch hole 101 and fixedly connected to the electronic device, so that the switch hole 101 exposes at least a partial area of the switch module 200, and is convenient for a user to press. The switch module 200 is the switch module according to any of the above embodiments. Since the structure of the switch module has been described in detail in the above embodiments, the details are not repeated herein.

As shown in fig. 6 and 7, fig. 6 is a partial schematic view of an electronic device provided in an embodiment of the present application when the switch module is assembled with the electronic device housing, and fig. 7 is a partial schematic view of the switch module after being assembled in a switch hole of the electronic device housing.

On the basis of the above embodiment, in an embodiment of the present application, the fixing member further has a fourth fixing hole, optionally, the fourth fixing hole is a threaded hole, and when the switch module is assembled to the electronic device, the fixing member is fixed to the housing of the electronic device through the threaded hole by using a screw, so as to fixedly connect the switch module to the housing of the electronic device.

In another embodiment of the application, a second adhesive layer is arranged between the switch module and the housing of the electronic device, so that the fixing piece is adhered to the housing through the second adhesive layer, and the switch module is fixedly connected with the housing. However, the present application is not limited thereto, as the case may be.

It should be noted that, in the embodiment of the present application, the electronic device may be a display, a notebook computer, a tablet computer, and the like, which is not limited in the present application as long as a switch module is required to be arranged.

To sum up, among the switch module and the electronic equipment that this application embodiment provided, the switch module is independent overall structure, consequently, can be before transporting the complete machine factory, by the preparation factory of switch module carries out the unified management and control of the luminous degree of consistency of light ring, the unified management and control of gap between power key and the light ring and the unified management and control that the power key pressed and feels, thereby improves the switch module assembles in the time of among the electronic equipment, the luminous degree of consistency of light ring of power key the power key with the degree of consistency of gap between the light ring and the pressing of power key feels, improves the user experience of electronic equipment's power key.

In the description, each part is described in a progressive manner, each part is emphasized to be different from other parts, and the same and similar parts among the parts are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A switch module, comprising:

the circuit board is provided with at least one first fixing hole;

2. The switch module of claim 1, wherein the fixed post is located on the fixed member and is of an integral structure with the fixed member.

3. The switch module of claim 2, wherein the power key comprises a first portion and a second portion, wherein the first portion is configured to be pressed by a user, and the second portion has the second fixing hole for being fixedly connected to the fixing member.

4. The switch module of claim 3, wherein the second portion is a resilient arm fixedly connected to the first portion, the resilient arm being configured to move the first portion of the power key from the first position to the second position in the first direction when the power key is subjected to the depressing force, and to return the first portion of the power key to the first position when the force applied to the power key is removed;

wherein the first direction is directed to the circuit board by the power key.

5. The switch module according to claim 4, wherein the circuit board is provided with a trigger, and the trigger controls the switch module to switch between a first state and a second state when the power key is subjected to an external force, wherein the switch module is in the on state in the first state, and the switch module is in the off state in the second state.

6. The switch module of claim 5, wherein the trigger is a snap-action dome.

7. The switch module of claim 2, wherein the circuit board further comprises a plurality of circumferentially arranged light sources, and the power key exposes the light sources; the switch module further comprises:

8. The switch module of claim 7, wherein the light guide has at least one third fixing hole, the third fixing hole is in one-to-one correspondence with the fixing post, and the light guide is located between the power key and the fixing member;

9. The switch module of claim 1, further comprising:

10. A shell of the electronic equipment is provided with a switch hole, and a switch module of the electronic equipment is at least partially positioned in the switch hole and fixedly connected with the electronic equipment;

wherein the switch module is as claimed in any one of claims 1-9.