CN206294217U - Button, housing unit and mobile terminal - Google Patents

Abstract

The utility model discloses a button, which comprises a pressing part, a switch part arranged opposite to the pressing part, and a conduction part connected between the press part and the switch part. portion is transmitted to the switch portion, and the central force point of the pressing portion is offset relative to the central force point of the switch portion. The button installation position of the utility model is more flexible. The utility model also discloses a shell assembly and a mobile terminal.

Description

Button, housing assembly and mobile terminal

technical field

The utility model relates to the technical field of communication equipment, in particular to a button, a shell assembly and a mobile terminal.

Background technique

At present, most of the mobile phone buttons use mechanical buttons. The buttons include the keycap exposed from the mobile phone shell and the column connected to the keycap. The column passes through the shell and enters the interior of the shell. The pressing force applied by the user on the keycap can be directly transmitted to the inside of the shell through the column. on the switch module. The keycap and the column of the existing key are integrally formed, and the keycap and the column are concentric. Under this structure, the position of the key cap and the position of the switch module in the shell will affect and restrict each other, and the flexibility of the installation position of the key is poor, which easily affects the arrangement of other components of the mobile phone and the overall appearance of the mobile phone.

Utility model content

The technical problem to be solved by the utility model is to provide a button with a flexible installation position.

In addition, a housing assembly using the key is also provided.

In addition, a mobile terminal using the casing assembly is also provided.

In order to achieve the above object, the utility model embodiment adopts the following technical solutions:

In one aspect, a button is provided, comprising a pressing part, a switch part disposed opposite to the pressing part, and a conduction part connected between the press part and the switch part, and the pressing part receives a user's pressing force and passes through the conduction part. portion is transmitted to the switch portion, and the central force point of the pressing portion is offset relative to the central force point of the switch portion.

On the other hand, there is also provided a casing assembly, which includes a casing and the button as described above, the casing is provided with a through hole, the pressing part is slidably connected to the through hole, and the switch part is fixed on the inside of the casing , the conducting part slides relative to the housing along with the pressing part.

In another aspect, a mobile terminal is also provided, including a main board and the casing assembly as described above, the main board is fixed inside the casing, and the switch part is electrically connected to the main board.

Compared with the prior art, the utility model has the following beneficial effects:

In the button, the pressing part and the conductive part are arranged in a separate structure, so that when the central force point of the pressing part is offset from the central force point of the switch part, the pressing part can still pass through The conduction part smoothly transmits the pressing force to the switch part, so that the switch part issues a command. Therefore, the position restriction between the pressing part and the switch part is small and the flexibility is high, and the installation position of the button on the mobile terminal and the housing assembly is relatively flexible, which can avoid Even if the layout of other components of the mobile terminal has adverse effects, it can also meet the appearance requirements of the mobile terminal.

Description of drawings

In order to illustrate the technical solution of the utility model more clearly, the accompanying drawings that need to be used in the implementation will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the utility model. Those of ordinary skill in the art can also obtain other drawings like these drawings without paying creative efforts.

Fig. 1 is a schematic structural diagram of a housing assembly provided by an embodiment of the present invention.

FIG. 2 is a schematic diagram of a partial structure of the housing assembly shown in FIG. 1 .

FIG. 3 is a schematic diagram of another part of the housing assembly shown in FIG. 1 .

Fig. 4 is a schematic structural diagram of a bayonet piece provided by an embodiment of the present invention.

Fig. 5 is a schematic diagram of a housing assembly provided by an embodiment of the present invention when the bayonet part is snapped into the guide post.

FIG. 6 is a schematic view of the bayonet member of the housing assembly shown in FIG. 5 when it is completely accommodated in the housing.

detailed description

Embodiments of the utility model are described below in conjunction with the accompanying drawings.

Referring to FIG. 1 , an embodiment of the present invention provides a mobile terminal. The mobile terminal includes a housing assembly 100 and a main board. The casing assembly 100 includes a casing 4 and keys, the main board is fixed inside the casing 4 , and the main board is used to receive instructions from the keys. The mobile terminal may be a mobile phone, a tablet computer, a notebook computer, and the like.

The button includes a pressing part 1, a switch part 2 arranged opposite to the pressing part 1, and a conducting part 3 connected between the pressing part 1 and the switching part 2. The pressing part 1 passes through the The conduction part 3 transmits to the switch part 2. The central stress point 10 of the pressing part 1 is offset from the central stress point 20 of the switch part 2 .

In this embodiment, by setting the pressing part 1 and the conducting part 3 into separate structures, the central stress point 10 of the pressing part 1 is offset from the central force point 20 of the switch part 2 At this time, the pressing part 1 can still smoothly transmit the pressing force to the switch part 2 through the conducting part 3, so that the switch part 2 can issue a command. Therefore, the position restriction between the pressing part 1 and the switch part 2 is small and the flexibility is high, and the installation position of the button on the housing assembly 100 and the mobile terminal is relatively flexible, both It can avoid adverse effects on the layout of other components of the mobile terminal, and can also meet the appearance requirements of the mobile terminal.

It can be understood that the switch part 2 is electrically connected to the main board. The switch part 2 can be a tact switch, and the tact switch sends a command to the main board when pressed. The tact switch can be a volume switch of the mobile terminal, and pressing the button can increase or decrease the volume of the mobile terminal. Alternatively, the tact switch is a power switch of the mobile terminal, and pressing the button can cause the mobile terminal to enter sleep or wake up.

The central force-bearing point 10 of the pressing part 1 refers to the midpoint of the force-bearing surface of the pressing part 1 , and the central force-bearing point 20 of the switch part 2 is the midpoint of the force-bearing surface of the switch part 2 .

Please refer to FIG. 1 and FIG. 2 together. As an optional embodiment, the shell 4 of the housing assembly 100 is provided with a through hole 40, and the through hole 40 communicates with the inside of the shell 4 and the shell. 4 outside. The pressing part 1 is slidably connected to the through hole 40 . The switch part 2 is fixed inside the casing 4 , and the conducting part 3 slides relative to the casing 4 along with the pressing part 1 . The user presses the pressing part 1 on the outside of the casing 4, and the pressing part 1 drives the conducting part 3 to move toward the inside of the casing 4, thereby pressing the switch part 2 to switch the switch part 2 to send out instruction.

The pressing portion 1 is at least partially accommodated in the through hole 40 . When the pressing part 1 is partly accommodated in the through hole 40, the surface 11 of the pressing part 1 away from the conducting part 3 protrudes from the outer surface of the housing 4, and the user can easily and conveniently press the Press part 1. When the pressing part 1 is completely accommodated in the through hole 40, the pressing part 1 is hidden in the casing 4, so that the mobile terminal has a smoother and more beautiful appearance, and at the same time can reduce the The risk of the key being damaged (such as bumping and impacting) increases the service life of the key.

The outer peripheral sidewall of the pressing part 1 is in clearance fit with the inner peripheral wall of the through hole 40 , and the through hole 40 plays a guiding role for the pressing part 1 .

Optionally, the housing assembly 100 further includes a housing 5 . The housing 5 is fixed inside the housing 4 , the housing 5 is provided with a guide hole 50 , and the conducting part 3 is slidably connected to the guide hole 50 . The outer peripheral sidewall of the conduction part 3 is in clearance fit with the inner peripheral wall of the guide hole 50 , and the guide hole 50 guides the conduction part 3 .

It can be understood that the housing 4 may be at least a part of the side panel of the mobile terminal housing, and the housing 5 may be at least a part of the middle frame of the mobile terminal.

Optionally, the axis 501 of the guide hole 50 is parallel to and offset from the axis 401 of the through hole 40 , that is, the axis 501 of the guide hole 50 is not collinear with the axis 401 of the through hole 40 , The conducting part 3 is offset relative to the pressing part 1 . When the pressing part 1 is pressed, the pressing part 1 abuts part of the conducting part 3 , so as to transmit the pressing force to the conducting part 3 . At this time, the position restrictions of the guide hole 50 and the through hole 40 are relatively small, and the arrangement positions of the guide hole 50 and the through hole 40 on the mobile terminal are relatively flexible.

Optionally, the guide hole 50 is facing the switch part 2 . Specifically, one end of the guide hole 50 facing the switch part 2 faces the switch part 2 . The central stress point 20 of the switch part 2 can be located on the axis 501 of the guide hole 50, so that one end of the conductive part 3 protrudes from the guide hole 50 and can directly contact the center force of the switch part 2 Point 20, to ensure the accuracy and reliability of the button-sensing pressing action of the housing assembly 100 .

Please refer to FIG. 1 to FIG. 3 together. As an optional embodiment, the conduction part 3 includes a guide post 31 , the guide post 31 slides through the guide hole 50 , and one end 311 of the guide post 31 Receiving the pressing of the pressing part 1 , the other end 312 of the guide post 31 abuts against the switch part 2 as the pressing part 1 is pressed.

Optionally, a protruding limit ring 51 is provided on the inner peripheral wall of the guide hole 50, and the limit ring 51 is located at one end 312 of the guide hole 50 close to the switch part 2. The limit ring 51 cooperates with the outer peripheral sidewall of the guide post 31 . The gap between the inner peripheral side wall of the limit ring 51 and the outer peripheral side wall of the guide post 31 is the first gap, and the inner peripheral side wall of the guide hole 50 and the outer peripheral side wall of the guide post 31 The gap between them is a second gap, and the first gap is smaller than the second gap.

Since the conducting part 3 is offset relative to the pressing part 1, when the pressing part 1 transmits a pressing force to the conducting part 3, the pressing part 1 only contacts part of the conducting part 3, so it is easy to make the conducting part 3 Offset or tilt occurs. In this embodiment, the position where the guide post 31 protrudes from one end of the guide hole 50 is further limited by setting the limit ring 51 to prevent the guide post 31 from shifting or tilting, so that the guide post 31 31 can accurately touch the switch part 2, which improves the accuracy and reliability of the key-sensing pressing action.

Optionally, the conduction part 3 further includes a flange 32 , and the flange 32 is provided at an end of the guide post 31 facing the pressing part 1 . In the direction of the axis 501 of the guide hole 50 , the cross-sectional area of the flange 32 is larger than the cross-sectional area of the guide post 31 , so as to increase the stress-bearing area of the conducting portion 3 . The central stress point 10 of the pressing part 1 faces the flange 32 , so that the pressing force received by the pressing part 1 can be smoothly transmitted to the conducting part 3 .

A limiting boss 52 is provided on a side of the housing 5 facing the pressing portion 1 , and the limiting boss 52 is arranged around the guide hole 50 . The limiting boss 52 is used to limit the flange 32 and prevent the flange 32 from entering the guide hole 50, thereby avoiding damage to the switch part 2 due to excessive pressing of the pressing part 1, The service life of the key is extended.

A groove 53 communicating with the guide hole 50 is defined around the limiting boss 52 . The conducting part 3 further includes an elastic member 33 , and the elastic member 33 is compressed between the bottom wall of the groove 53 and the flange 32 . After the guide post 31 moves toward the switch part 2, the elastic member 33 is compressed, and the resilience of the elastic member 33 makes the flange 32 have a tendency to move away from the switch part 2, thereby Drive the guide column 31 to move back to the position before the movement, and the button can automatically rebound to the initial position after being pressed. The elastic member 33 is a spring. Of course, the elastic member 33 can also be made of rubber or silicone material with certain elasticity.

Please refer to Fig. 1 to Fig. 6 together, the conduction part 3 also includes a bayonet part 34, and the bayonet part 34 is fastened on the end of the guide column 31 facing the switch part 2, and the bayonet part 34 is located between the housing 5 and the switch part 2 , and the bayonet member 34 exposes the guide hole 50 .

The bayonet member 34 and the flange 32 respectively limit the two ends of the guide post 31, so that the two ends of the guide post 31 are respectively limited to the two sides of the guide hole 50, preventing all The guide post 31 is separated from the guide hole 50 . When the elastic member 33 exerts a resilient force on the flange 32 away from the switch part 2, the bayonet member 34 abuts against the inner surface of the housing 5, so that the guide post 31 stays at the original position .

The bayonet member 34 has a clamping end 341 and a holding end 342 opposite to the clamping end 341 , and the clamping end 341 is clamped on the guide post 31 . The user can grasp the gripping end 342 and smoothly attach the locking end 341 to the guide post 31 , and the installation difficulty is small. Then, the user can rotate the holding end 342 relative to the holding end 341, so that the holding end 342 stays at a predetermined position, so that the bayonet member 34 is completely accommodated in the predetermined position in the housing 5, Avoid increasing the difficulty of layout of components in the mobile terminal.

The bayonet member 34 is connected to the holding end 341 and the holding end 342 through a connecting section 343 . The connecting section 343 is in the shape of a long strip. The clamping end 341 includes a bayonet 3410 clamped on the guide post 31 . For example, the clamping end 341 is partially ring-shaped, and has an inner ring surface and an outer ring surface opposite to each other. The outer ring surface is connected to the connecting section 343 . Certainly, in other implementation manners, the clamping end 341 may also have other shapes.

Please refer to FIG. 1 to FIG. 3 together. As an optional embodiment, the housing assembly 100 further includes a sealing ring 6, and the sealing ring 6 is sealed between the inner peripheral wall of the guide hole 50 and the guide post. 31 is used to prevent water from penetrating into the interior of the housing 5 through the guide hole 50, so that the housing assembly 100 has good waterproof performance and improves the reliability and reliability of the mobile terminal. service life.

Optionally, a receiving groove 35 is provided on the outer peripheral side wall of the guide post 31 or/and the inner peripheral wall of the guide hole 50 for receiving the sealing ring 6 . The sealing ring 6 is restricted in the receiving groove 35 so as not to fall out of the guide hole 50 , thereby further ensuring the sealing performance of the housing assembly 100 .

Specifically, the receiving groove 35 may be provided only on the outer peripheral side wall of the guide post 31 , and the sealing ring 6 is clamped between the receiving groove 35 and the inner peripheral wall of the guide hole 50 . Alternatively, a receiving groove may be provided only on the inner peripheral wall of the guide hole 50 , and the sealing ring 6 is clamped between the receiving groove and the outer peripheral side wall of the guide post 31 . Alternatively, a first receiving groove may be provided on the outer peripheral side wall of the guide post 31, and a second receiving groove may be provided on the inner peripheral wall of the guide hole 50, and the first receiving groove is opposite to the second receiving groove. set to form the storage tank. The sealing ring 6 is clamped between the first receiving groove and the second receiving groove.

Optionally, the housing assembly 100 further includes a sealing member 7, which is sealed between the housing 4 and the housing 5 to prevent water from flowing along the through hole 40 and the housing. The gap between 4 and the housing 5 enters the interior of the mobile terminal, and the housing assembly 100 achieves double waterproofing, which improves the reliability and service life of the mobile terminal.

The above embodiments of the utility model have been introduced in detail. In this paper, specific examples have been used to illustrate the principle and implementation of the utility model. The description of the above embodiments is only used to help understand the method of the utility model and its core idea; At the same time, for those skilled in the art, according to the idea of the utility model, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be construed as limiting the utility model.

Claims (10)

1. A button, characterized in that it comprises a pressing part, a switch part arranged opposite to the pressing part, and a conduction part connected between the pressing part and the switching part, and the pressing part passes through the pressing part after receiving the pressing force of the user. The transmission part is transmitted to the switch part, and the central stress point of the pressing part is offset from the central force point of the switch part. 2. A casing assembly, characterized in that it comprises a casing and the button according to claim 1, the casing is provided with a through hole, the pressing part is slidably connected to the through hole, the switch part is fixed on the The inner side of the housing, the conducting part slides relative to the housing along with the pressing part. 3. The shell assembly according to claim 2, characterized in that, the shell assembly further comprises a shell, the shell is fixed on the inner side of the shell, the shell is provided with a guide hole, and the conduction The part is slidably connected to the guide hole. 4. The casing assembly according to claim 3, wherein the axis of the guide hole is parallel to and offset from the axis of the through hole. 5. The housing assembly according to claim 3 or 4, wherein the guide hole is opposite to the switch part. 6. The housing assembly according to claim 3 or 4, wherein the conduction part comprises a guide post, the guide post slides through the guide hole, and one end of the guide post receives the pressing part The other end of the guide post is pressed against the switch part as the pressing part is pressed. 7. The housing assembly according to claim 6, wherein a protruding stop ring is provided on the inner peripheral wall of the guide hole, and the stop ring is located at the side of the guide hole close to the switch part. At one end, the limiting ring cooperates with the outer peripheral side wall of the guide post. 8. The housing assembly according to claim 6, wherein the conduction part further comprises a flange, the flange is provided at one end of the guide column facing the pressing part, and the center of the pressing part The stress point is facing the flange. 9. The housing assembly according to claim 8, wherein the conduction part further comprises a bayonet part, and the bayonet part is fastened on one end of the guide column facing the switch part, and the bayonet part is The mouth piece is located between the housing and the switch part. 10. A mobile terminal, characterized by comprising a main board and the housing assembly according to any one of claims 2-9, the main board is fixed inside the housing, and the switch part is electrically connected to the main board.