TWI473139B - Push-button and audio device - Google Patents

Description

Button and audio device

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a push button, and more particularly to a push button that can be used in an audio device that is integrally formed and has an airtight, waterproof, anti-resonance function.

A typical audio device is typically provided with a switch button for the user to press to activate or deactivate the sound. Most of the existing buttons are installed on the panel of the housing of the audio device. Since the buttons need to be movable to touch the control switch with the pressing stroke, there is a gap between the button and the housing to allow the buttons to move freely. In order to avoid affecting the sound quality, the outer casing of the audio device needs to be airtight and avoid resonance of the keys. At present, most of the methods are to set the control switch on a small-area circuit board (hereinafter referred to as a small board) which is independent of the main circuit board, and the control board corresponding to the key position of the small board and the corresponding button position is disposed in the outer casing. In the separate space separated by the airtight rubber or foam, the independent space is hermetically separated from the main body space in the outer casing, whereby the button is isolated from the main body space during the pressing process, and the main body space is not caused by the button Press and leak.

However, this method requires not only the design of an independent space, but also the covering of airtight glue or foam, the space design is constrained and the assembly process is complicated and needs to be improved.

Accordingly, it is an object of the present invention to provide a button that can be airtight and waterproof to be directly mounted to a casing.

Another object of the present invention is to provide a button that can be directly installed in a casing to achieve airtightness, waterproofness, and anti-vibration functions.

Another object of the present invention is to provide an acoustic device having the aforementioned buttons.

Thus, the button of the present invention comprises a pressing unit and a flexible connecting unit. The pressing unit includes a body and a pushing block. The body has a surrounding wall and a pressing wall that closes a port of the surrounding wall. The top stack protrudes from the body. The flexible connecting unit is made of a soft elastic material, and includes an integrally formed joint portion, a fixing portion and a movable portion. The joint surrounds a side edge of the open end of the surrounding wall and is hermetically engaged with the surrounding wall. The fixing portion has a shape that fits around the joint portion and is spaced around the periphery of the joint portion. The movable portion connects the joint portion and the fixing portion and is elastically deformable. The pressing unit can be pressed to be elastically displaced with respect to the fixing portion by the movable portion, and return to the original position after the pressure is removed.

Further, the button further includes a supporting unit which is flat and has a shape corresponding to the fixing portion and is formed in the same shape as the fixing portion and is located on opposite sides of the engaging portion to provide rigidity of the fixing portion.

Wherein, the fixing portion has a ring body connected to the movable portion, and an annular protrusion protruding from the surface of the ring body and the surrounding wall. The fixing portion also has a plurality of lugs extending outward from the ring body at a distance from each other, each lug having a perforation.

Wherein the surrounding wall has a flange surrounding its open end, and the joint covers the flange.

Wherein the surrounding wall has a small diameter portion connecting the pressing wall and a phase a large diameter portion that is expanded outward from the small diameter portion and a step portion between the small diameter portion and the large diameter portion. The flexible connecting unit further includes an anti-vibration portion integrally extending from the joint portion and surrounding the large diameter portion.

Wherein a portion of the push block protrudes from the open end of the surrounding wall.

Wherein, the flexible connecting unit is made of an elastic material having thermoplasticity, the pressing unit and the supporting unit are made of a plastic material and have rigidity, and the flexible connecting unit and the pressing unit and the supporting unit are double materials Made by injection molding.

The audio device of the present invention comprises a casing having a consistent hole, a circuit module, a speaker module and a button as described above. The circuit module is disposed in the casing and includes a circuit board and a control switch disposed on the circuit board. The control switch is located adjacent to the through hole and is used for controlling the opening and closing of the power supply of the audio device. The speaker module is disposed in the casing and electrically connected to the circuit module, and can be broadcasted outside the casing. The button is fixed to the casing and is disposed at the through hole and corresponding to the switch setting, wherein the surrounding wall shape of the body cooperates with the through hole, and the top stack is used to touch the control switch. The movable portion can press the pressing unit to be elastically displaced into the casing relative to the fixing portion and drive the pushing block to touch the control switch, and return to the original position after the pressure is removed.

The effect of the invention: the button can be directly installed in the casing to achieve the functions of airtightness, waterproofness and anti-vibration, which can greatly simplify the assembly process and save manufacturing costs.

The foregoing and other technical content, features and effects of the present invention are The detailed description of the preferred embodiment with reference to the drawings will be clearly described below.

Referring to FIG. 1 to FIG. 4, a preferred embodiment of the button 100 of the present invention comprises a pressing unit 10, a flexible connecting unit 20 and a supporting unit 30.

The pressing unit 10 includes a body 1 and a pushing block 2 . The body 1 has a surrounding wall 11 and a pressing wall 12 that closes a port of the surrounding wall 11. The surrounding wall 11 has a small diameter portion 111 connected to the pressing wall 12, a large diameter portion 112 that is expanded outwardly from the small diameter portion 111, and between the small diameter portion 111 and the large diameter portion 112. The step 113, and a flange 114 surrounding its open end. The top stack 2 is protruded from the inside of the body 1 and a portion protrudes from the open end of the surrounding wall 11.

The flexible connecting unit 20 is made of a soft elastic material, and includes an integrally formed joint portion 31, a fixing portion 32 and a movable portion 33. The joint portion 31 surrounds the side edge of the open end of the surrounding wall 11 and is hermetically joined to the surrounding wall 11. In the present embodiment, the joint portion 31 is specifically a flange 114 that covers the surrounding wall 11. The fixing portion 32 has a shape that fits around the joint portion 31 and is circumferentially spaced around the periphery of the joint portion 31. The movable portion 33 connects the joint portion 31 and the fixed portion 32 and is elastically deformable. The fixing portion 32 has a ring body 321 connected to the movable portion 33, an annular protrusion 324 protruding from the surface of the ring body 321 and the surrounding wall 11 , and a plurality of annular protrusions 324 spaced apart from each other The lugs 322 extending outwardly of the ring body 321 each have a through hole 323. Further, in the present embodiment, the flexible connecting unit 20 further includes an anti-vibration portion 34 integrally extending from the engaging portion 31 and surrounding the large-diameter portion 112.

The support unit 30 has a flat shape and has a shape corresponding to the fixing portion 32 and is formed in the same shape as the fixing portion 32 and is located on opposite sides of the engaging portion 31 to provide rigidity of the fixing portion 32. In other words, the support unit 30 also has a ring body 41 corresponding to the ring body 321 of the fixing portion 32 and a plurality of lugs 42 respectively corresponding to the lugs 322 of the fixing portion 32, and each lug 42 has A through hole 43 is provided to correspond to the through hole 323 of the fixing portion 32.

In the present embodiment, the flexible connecting unit 20 is made of an elastic material having thermoplasticity such as rubber, silicone or the like. The pressing unit 10 and the supporting unit 30 are made of a plastic material and have rigidity. The plastic material that can be injection molded is used and the melting point thereof is higher than the melting point of the material of the flexible connecting unit 20. Moreover, the flexible connecting unit 20 and the pressing unit 10 and the supporting unit 30 are formed by two-shot injection molding, that is, the pressing unit 10 is first formed in the two-material injection molding apparatus by using the existing two-material injection molding technology. The supporting unit 30 can be formed by the same material, and then the flexible connecting unit 20 is formed. When the flexible connecting unit 20 is formed, the pressing unit 10 and the supporting unit 30 are joined and fixed to form a whole. Figures 3 and 4 show the three separately for convenience of explanation. In fact, the three cannot be disassembled.

Referring to FIG. 1 , FIG. 2 , FIG. 3 and FIG. 5 , the button 100 can be directly fastened by a locking bolt 5 corresponding to the number of the through holes 323 and 43 to be fixed at a position corresponding to the setting of the button 100 in the casing 9 , that is, the shape and the At the consistent hole 91 where the button 100 is engaged, in the present embodiment, the lock 5 is a screw. When the button 100 is received in the through hole 91 of the casing 9, the step 113 surrounding the wall 11 can abut against the corresponding step 92 of the casing 9, and has a function of stopping to surround the button. The positioning of the wall 11 prevents the surrounding wall 11 and the pressing wall 12 from protruding excessively outside the casing 9. In addition, the fixing portion 32 of the flexible connecting unit 20 is pressed by the supporting unit 30 against the inner wall of the casing 9 around the wall surface of the through hole 91, and the annular protrusion 324 of the fixing portion 32 can be elastically deformed. The airtight and waterproof function of the through hole 91 can be closed by the airtight and waterproof joint. Further, the anti-vibration portion 34 of the flexible connecting unit 20 covers most of the surrounding wall 11 to prevent the button 100 from vibrating. Referring to FIG. 5 and FIG. 6 , the pushing block 2 of the button 100 is disposed corresponding to a control switch 6 , and pressing the pressing wall 12 to move the pressing unit 10 into the casing 9 to make the pushing block 2 The control switch 6 is activated. When the pressing unit 10 moves into the casing 9, the surrounding portion 11 interlocks the engaging portion 31 of the flexible connecting unit 20, and the movable portion 33 is pulled by the engaging portion 31, and the fixing portion 32 is fixed. The movable portion 33 is elastically displaced with respect to the fixed portion 32 on the casing 9, that is, the movable portion 33 is elastically deformed. When the force applied to the pressing wall 12 is removed, the pressing unit 10 is returned to the original position by the elastic restoring force of the movable portion 33 to provide the next pressing. In other words, the pressing unit 10 can be pressed by the movable portion 33 to be elastically displaced with respect to the fixing portion 32, and returned to the original position after the pressure is removed.

Referring to FIG. 7 to FIG. 10, the button 100 can be applied to an audio device 200. In the embodiment, the audio device 200 further includes a casing 9, a circuit module 7, and a speaker module 8. The casing 9 has a constant hole 91, that is, the same as the aforementioned through hole 91. The circuit module 7 is disposed in the casing 9 and includes a circuit board 71 and a control switch 6 disposed on the circuit board 71 (refer to FIG. 5 FIG. 6), the control switch 6 is located adjacent to the through hole 91 and is used for controlling the opening and closing of the power of the acoustic device 200. The speaker module 8 is disposed in the casing 9 and electrically connected to the circuit module 7 and can be broadcasted outside the casing 9. The button 100 is fixed to the casing 9 and is accommodated at the through hole 91 and corresponding to the setting of the control switch 6. The manner in which the button 100 is mounted and its relationship with the control switch 6 are as described above, and the description thereof will not be repeated. The audible device 200 can be turned on or off by pressing the button 100.

Since the button 100 is directly mounted on the casing 9, the airtight, waterproof and anti-vibration functions can be achieved, and the sound device 200 can be used to eliminate the trouble of constructing an independent space and covering the air-tight glue or foam, and because It is necessary to construct an independent space, so that the control switch 6 can be directly mounted on the circuit board 71 without separately mounting on the small board, so that the assembly procedure can be greatly simplified and the manufacturing cost can be saved. Moreover, the button 100 can be waterproof, so it can be applied to other electronic devices (not shown) that have airtight or waterproof requirements.

In this embodiment, the pressing wall 12 of the body 1 of the pressing unit 10 is disposed obliquely to match the curvature of the surface of the casing 9, and may also be adjusted according to the applicable casing, and the shape is not limited.

In summary, the button 100 can be directly mounted on the casing 9 to achieve airtight, waterproof and anti-vibration functions, which greatly simplifies the assembly process and saves manufacturing costs.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

100‧‧‧ button

322‧‧‧ lugs

200‧‧‧Audio device

323‧‧‧Perforation

10‧‧‧ Press unit

324‧‧‧ annular bulge

20‧‧‧Flexible connection unit

33‧‧‧movable department

30‧‧‧Support unit

34‧‧‧Anti-vibration department

1‧‧‧ Ontology

41‧‧‧Act

11‧‧‧ Around the wall

42‧‧‧ lugs

111‧‧‧Little Trails Department

43‧‧‧Perforation

112‧‧‧The Great Trails Department

5‧‧‧Locker

113‧‧‧

6‧‧‧Control switch

114‧‧‧Flange

7‧‧‧ circuit module

12‧‧‧ Pressing the wall

71‧‧‧Circuit board

2‧‧‧Top push block

8‧‧‧ speaker module

31‧‧‧ joints

9‧‧‧Shell

32‧‧‧ Fixed Department

91‧‧‧Tongkong

321‧‧‧Act

92‧‧‧

1 is a perspective view showing a preferred embodiment of a button of the present invention; FIG. 2 is an exploded perspective view showing the assembled relationship between the preferred embodiment and a casing; FIG. 3 is an exploded perspective view showing the comparison 4 is a different angle view of FIG. 3; FIG. 5 is a cross-sectional view showing the assembled relationship between the preferred embodiment and the casing and a control switch; FIG. 6 is a view similar to FIG. FIG. 7 is a front view showing a preferred embodiment of the acoustic device of the present invention; FIG. 8 is a rear view showing the preferred embodiment; FIG. 9 is a perspective view. The preferred embodiment is illustrated; and FIG. 10 is an exploded perspective view showing the internal structure of the preferred embodiment.

100‧‧‧ button

31‧‧‧ joints

10‧‧‧ Press unit

32‧‧‧ Fixed Department

20‧‧‧Flexible connection unit

324‧‧‧ annular bulge

30‧‧‧Support unit

33‧‧‧movable department

111‧‧‧Little Trails Department

34‧‧‧Anti-vibration department

113‧‧‧

12‧‧‧ Pressing the wall

Claims (22)

A button includes: a pressing unit, comprising a body and a pushing block, the body having a surrounding wall and a pressing wall closing a port of the surrounding wall, the top stack protruding from the body; and a The flexible connecting unit is made of a soft elastic material, and includes an integrally formed joint portion, a fixing portion and a movable portion surrounding the side edge of the open end of the surrounding wall and hermetically engaging the surrounding wall. The fixing portion has a shape that fits around the engaging portion and is spaced around the periphery of the engaging portion. The movable portion connects the engaging portion and the fixing portion and is elastically deformable, and the pressing portion can be pressed by the movable portion. Relating elastically with respect to the fixed portion and returning to the original position after the pressure is removed. According to the button of claim 1, further comprising a supporting unit, the supporting unit is in the shape of a flat plate and has a shape corresponding to the fixing portion and is in the same shape as the fixing portion and is located on opposite sides of the engaging portion. To provide rigidity of the fixing portion. The button according to claim 1 or 2, wherein the fixing portion has a ring body connected to the movable portion, and an annular convex projecting from a surface of the ring body and the surrounding wall Start. The button of claim 3, wherein the fixing portion further has a plurality of lugs extending outward from the ring body at intervals, each lug having a perforation. The button of claim 1 or 2, wherein the surrounding wall has a flange surrounding the open end thereof, and the engaging portion covers the convex portion edge. The button according to claim 1 or 2, wherein the surrounding wall has a small diameter portion connecting the pressing wall, a large diameter portion extending outward from the small diameter portion, and a small portion a step between the diameter portion and the large diameter portion. The button according to claim 6, wherein the flexible connecting unit further comprises an anti-vibration portion integrally extending from the joint portion and surrounding the large diameter portion. The button of claim 1, wherein a portion of the push block protrudes from an open end of the surrounding wall. The button according to claim 1, wherein the flexible connecting unit is made of an elastic material having thermoplasticity. According to the button of claim 9, wherein the pressing unit is made of a plastic material and has rigidity, and the flexible connecting unit and the pressing unit are formed by two-shot molding. According to the button of claim 2, wherein the flexible connecting unit is made of a thermoplastic material having thermoplasticity, the pressing unit and the supporting unit are made of a plastic material and have rigidity, and the flexible connection The unit and the pressing unit and the supporting unit are formed by two-shot injection molding. An audio device comprising: a casing having a uniform hole; a circuit module disposed in the casing and including a circuit board and a control switch disposed on the circuit board, the control switch being located adjacent to the through hole And is used for controlling the power supply of the audio device; a speaker module is disposed in the casing and electrically connected to the circuit module, and can be broadcasted outside the casing; and a button is fixed on the machine The housing is disposed at the through hole and corresponding to the switch setting, and comprises a pressing unit, comprising a body and a pushing block, the body has a surrounding wall with a shape matching the through hole and a closed surrounding a pressing wall of one of the walls of the wall, the top stack is protruded from the body for sensing the control switch, and a flexible connecting unit is made of a soft elastic material, including an integrally formed joint portion and a fixing portion And a movable portion surrounding the side edge of the open end of the surrounding wall and hermetically engaging the surrounding wall, the fixing portion having a shape cooperating with and spaced apart from the engaging portion and surrounding the periphery of the engaging portion and abutting The inner side of the casing surrounds the wall surface of the through hole, the movable portion connects the joint portion and the fixing portion and is elastically deformable, and the movable portion enables the pressing unit to be pressed to the casing relative to the fixed portion Internal elastic displacement and drive Push block touches the control switch, and after removal of the pressure back in situ. The audible device according to claim 12, wherein the button further comprises a supporting unit having a flat shape and having a shape corresponding to the fixing portion and conformally engaging with the fixing portion and the engaging portion Located on opposite sides to provide rigidity to the fixed portion. An acoustic device according to claim 12 or 13, wherein The fixing portion has a ring body connected to the movable portion, and an annular protrusion protruding from the surface of the ring body in the same direction as the surrounding wall. The accompaniment device of claim 14, wherein the fixing portion further has a plurality of lugs extending outward from the ring body at intervals, each lug having a perforation for a fastener to wear. It is fixed to the casing. The acoustic device of claim 12, wherein the surrounding wall has a flange surrounding its open end and the joint encloses the flange. The acoustic device of claim 12, wherein the surrounding wall has a small diameter portion connecting the pressing wall, a large diameter portion extending outward from the small diameter portion, and a The step between the small diameter portion and the large diameter portion. The acoustic device according to claim 17, wherein the flexible connecting unit further comprises an anti-vibration portion integrally extending from the engaging portion and surrounding the large diameter portion. The audible device of claim 12, wherein a portion of the push block protrudes from an open end of the surrounding wall. The acoustic device according to claim 12, wherein the flexible connecting unit is made of an elastic material having thermoplasticity. The acoustic device according to claim 20, wherein the pressing unit is made of a plastic material and has rigidity, and the flexible connecting unit and the pressing unit are formed by two-shot injection molding. According to the audio device of claim 13, wherein the The connecting unit is made of an elastic material having thermoplasticity, the pressing unit and the supporting unit are made of a plastic material and have rigidity, and the flexible connecting unit and the pressing unit and the supporting unit are formed by two-shot molding. production.