TWI607466B - Key device - Google Patents

Description

Button device

The invention relates to a button device, in particular to a button device which can be placed in front and is easy to assemble and is convenient to customize to meet the needs of users.

At present, in the operation interface of the general industry, the push-type operation is still in the bulk, and the conventional push-type operation is, for example, a common button device. The button device usually includes a panel having a plurality of perforations, and the plurality of panels are respectively behind the panel. a circuit board having the perforations, and a circuit board having a plurality of trigger portions corresponding to the respective buttons and being screwed on the rear side of the panel, the user is activated by pressing the buttons to trigger the trigger circuit board The function set.

However, the disadvantages of the conventional button device are:

1. Assembly and maintenance are not easy: Since the buttons are threaded from the rear side of the panel, the assembly personnel must first turn the rear side of the panel to the front of the assembler and then wear the buttons. After the panel is set and the panel and the buttons are screwed together with the circuit board, the panel needs to be flipped again so that the pattern on the buttons can be directly viewed by the user. It can be understood that this is The button device has many inconvenient and time-consuming defects in assembly due to multiple flipping; similarly, when there is a button damage to be repaired, the panel needs to be flipped again to facilitate the maintenance personnel to press the panel and the buttons. The board is separated from the board, and the damaged button can be removed and replaced from the rear side of the panel. Therefore, the panel cannot be turned over and the repair time cannot be shortened.

Second, the button setting layout is fixed: since the panel and the buttons are screwed together with the circuit board, when the button position needs to be adjusted, only the buttons can be removed from the rear side of the panel. After that, it can be further adjusted, that is to say, such a button device is not easy for the user to adjust the button layout.

As can be seen from the above, the conventional button device still has a place for improvement.

Accordingly, it is an object of the present invention to provide a key device that can be placed in front and that is easy to assemble and that is easily customized to meet the needs of the user.

Thus, the button device of the present invention is suitable for mounting on a panel having a perforation. The button device comprises a waterproof frame and a pressing unit.

The waterproof frame passes through the perforation of the panel and is used to close the perforation, and includes a bottom wall on the rear side of the panel, a peripheral wall extending outward from the periphery of the bottom wall and passing through the panel, a frame wall extending outwardly from the outer peripheral surface of the peripheral wall and abutting against a front surface of the panel, and a frame wall connecting the wall of the card and surrounding the through hole and defining a cavity. The cassette wall has a latching surface facing the pocket.

The pressing unit is disposed through the waterproof frame and is adapted for the user to press, and includes a shaft member passing through the bottom wall of the waterproof frame, and two oppositely disposed on the outer peripheral surface of the shaft member and located at the bottom of the waterproof frame a limiting protrusion on the rear side of the wall, a pressing plate opposite to the limiting protrusions and connecting the shaft member and located in front of the locking wall, and a bottom plate between the pressing plate and the waterproof frame The elastic member and a key cap detachably disposed on the pressing plate. The elastic member has an elastic force that constantly keeps the pressing plate away from the latching surface of the cartridge wall.

The function of the button device of the present invention is that the waterproof frame and the pressing unit can be directly mounted or detached to the panel and the waterproof frame respectively when facing the front surface of the panel, and the key cap is detachably disposed on the pressing plate, Whether the assembly maintenance process or the button layout needs to be re-adjusted, the present invention can achieve easy assembly and maintenance by front-access setting, and customize the button layout to meet the needs of the user.

Referring to Figures 1 and 2, an embodiment of the button device of the present invention is suitable for mounting to a panel 91 having a perforation 911. The button device comprises a waterproof frame 1, a pressing unit 2, and a gasket 3.

Referring to FIGS. 1, 3, and 4, the waterproof frame 1 passes through the through hole 911 of the panel 91 and is used to close the through hole 911, and includes a bottom wall 11 on the rear side of the panel 91, and a bottom wall 11 from the bottom wall 11. a peripheral wall 12 extending outwardly and passing through the perforation 911 of the panel 91, a latching wall 13 extending outward from the outer peripheral surface of the peripheral wall 12 and abutting against the front surface of the panel 91, and a connecting wall 13 and A frame wall 14 is defined around the perforation 911 and defining a recess 141.

In this embodiment, the peripheral wall 12 defines a through hole 121 that communicates with the receiving groove 141. The latching wall 13 has a latching surface 131 facing the receiving slot 141, an abutting surface 132 facing the front surface of the panel 91, and a recess from the abutting surface 132 away from the panel 91 and surrounding the The ring groove 133 of the perforation 911. The gasket 3 is located in the annular groove 133, and the gasket 3 can be an O-ring. Preferably, the waterproof frame 1 further has two limiting walls 15 on both sides of the peripheral wall 12, and one of the peripheral walls 12 and communicates with the through hole 121 and penetrates the card wall 13 and the bottom wall 11 Opening 16. Each of the limiting walls 15 has a first side portion 151 connecting the peripheral wall 12, a second side portion 152 opposite to the first side portion 151 and spaced apart from the peripheral wall 12, and a second side portion The 152 protrudes away from the peripheral wall 12 and is located at the rear side of the panel 91. It is to be noted that the second side portions 152 of the limiting walls 15 are respectively spaced apart from the peripheral wall 12 to allow the second side portions 152 to approach the peripheral wall 12 when pressed. The outer diameter is reduced, so that the waterproof frame 1 can be easily removed from the panel 91.

It should be noted that in the embodiment, the waterproof frame 1 has a rectangular shape, but the shape thereof may be changed according to actual needs, and is not limited thereto.

The pressing unit 2 is disposed through the waterproof frame 1 and is adapted for the user to press, and includes a shaft member 21 passing through the bottom wall 11 of the waterproof frame 1 and two oppositely disposed on the outer peripheral surface of the shaft member 21 and located at a limiting protrusion 22 on the rear side of the bottom wall 11 of the waterproof frame 1 , a pressing plate 23 opposite to the limiting protrusions 22 and connected to the shaft member 21 and located in front of the locking wall 13 , The elastic member 24 between the pressing plate 23 and the bottom wall 11 of the waterproof frame 1 and a key cap 25 detachably provided to the pressing plate 23.

Preferably, the shaft member 21 has a head portion 211 adjacent to the pressing plate 23, and an extending portion 212 spaced apart from each other and extending from the head portion 211 away from the pressing plate 23. The limit protrusions 22 are respectively located at the extensions 212.

Referring to Figures 1, 4 and 5, the pressing plate 23 has a first surface 231 facing the latching wall 13, a second surface 232 opposite the first surface 231, and a second surface 232 away from the second surface 232. a positioning block 233 protruding from the first surface 231 and adjacent to the opening 16 of the waterproof frame 1 , a first side 234 and a second side 235 respectively located on opposite sides of the shaft member 21 respectively a third side 236 and a fourth side 237 opposite to the second side 235 and the second side 235, and a main card recessed on the first surface 231 and adjacent to the first side 234 A slot 238 and two sub-card slots 239 are defined on the first surface 231 and adjacent to the second side 235 and located on opposite sides of the positioning block 233. It should be noted that in the embodiment, the pressing plate 23 has a rectangular shape, but the shape thereof may be changed according to actual needs, and is not limited thereto.

The key cap 25 has a base wall 251, a surrounding wall 252 extending outward from the periphery of the base wall 251, a light transmitting opening 253 through which the positioning block 233 of the pressing plate 23 passes, and a surrounding wall a main latch 254 that is protruded inwardly and that is fitted into the main card slot 238, and a sub-clip that protrudes inwardly from the surrounding wall 252 and is fitted to the sub-card slot 239. 255. In this embodiment, the base wall 251 of the key cap 25 has a pattern surface portion 256 spaced apart from the light transmission opening 253 and patterned thereon. Preferably, the light transmission opening 253 extends through the base wall 251. With the surrounding wall 252. It should be noted that the pattern surface 256 of the keycap 25 can be patterned on the surface by laser engraving or inkjet printing.

It should be noted that in the embodiment, the key cap 25 has a rectangular shape, but the shape thereof may be changed according to actual needs, and is not limited thereto. In addition, the pressing plate 23 can also have two slots that are recessed on the first surface 231 and adjacent to the third side 236 and the fourth side 237 respectively; the key cap 25 can also have only two corresponding correspondences. The latches that are fitted into the card slots can also increase the degree of engagement between the keycap 25 and the pressing plate 23.

During the installation, the spacer 3 is disposed on the ring groove 133 of the latching wall 13, and the elastic member 24 is sleeved on the shaft member 21, and then the waterproof frame 1 is sequentially inserted into the panel. The hole 911 of the pressing unit 2 is disposed on the bottom wall 11 of the waterproof frame 1 and finally the key cap 25 is detachably embedded on the pressing plate 23, The installation can be completed, the program is very simple, and only needs to be installed and disassembled from the front side of the panel 91. It is not necessary to flip the panel 91 and the board is not required to be moved, so the assembly and maintenance time and cost can be reduced. It should be understood that when the panel 91 has a plurality of the perforations 911, and the plurality of button devices are respectively required to pass through the perforations 911 of the panel 91, the present invention improves the assembly speed and reduces the maintenance time. Above, more significant.

Referring to 3, 4, and 6, in use, in a non-pressing state (as shown in FIG. 3), the elastic member 24 surrounds the shaft member 21 of the pressing unit 2 and has a constant distance from the pressing plate 23. The elastic force of the latching surface 131 of the latching wall 13 is such that the limiting projections 22 of the pressing unit 2 abut against the bottom wall 11 of the waterproof frame 1; The pressing plate 23 is biased toward the latching surface 131 of the latching wall 13 by an external force. The limiting projections 22 are away from the bottom wall 11 of the waterproof frame 1 and the end of the shaft member 21 is in contact. In a circuit board (not shown) to trigger the set function, when the pressing plate 23 is no longer pressed by an external force, the pressing unit 2 returns to the non-pressing state, and the end of the shaft member 21 is away from the circuit board. .

In detail, the outer peripheral surface of the peripheral wall 12 of the waterproof frame 1 located on the rear side of the panel 91 can be tightly fitted over the inner peripheral surface of a hood body 92 (shown in FIG. 4), and the shading A light-emitting element 93 electrically connected to the circuit board is disposed in the cover 92. When the function set by the circuit board is triggered to cause the light-emitting element 93 to emit light, the light will advance toward the pressing plate 23 via the opening 16 of the waterproof frame 1, thereby causing the periphery of the keycap 25 to be illuminated, due to The keycap 25 of the present invention has the light-transmissive opening 253, and the positioning block 233 of the pressing plate 23 that penetrates the light-transmitting opening 253 can be designed with a light-transmitting material, so that the area through which the light passes can be increased. The brightness of the periphery of the keycap 25 is raised to allow the user to clearly see the pattern on the keycap 25 when the light is insufficient.

Through the above description, the advantages of this embodiment can be summarized as follows:

1. The keycap 25 of the present invention is detachably disposed on the pressing plate 23 for the front side of the user. Therefore, when the button layout needs to be readjusted, the present invention can save disassembly and assembly time, so the use is even more For convenience.

2. The waterproof frame 1 and the pressing unit 2 of the present invention are both mounted and detached from the front side of the panel 91. Therefore, the panel 91 and the circuit board are not required to be additionally disassembled during installation and maintenance, and If the button device is damaged, only the damaged button device needs to be replaced, and the other button device is not required to be connected, so that the installation and disassembly are easy and the installation and maintenance time and cost can be greatly reduced.

The spacer 3 is disposed in the annular groove 133 of the present invention, and the waterproof frame 1 is disposed through the through hole 911 of the panel 91 to close the design of the through hole 911, and the elastic member 24 surrounds the shaft member 21. The invention can achieve good water repellency, oil repellency and dustproof effect, so that the circuit board behind the panel 91 can be effectively prevented from being damaged due to short circuit of water, oil and dust.

The pressing plate 23 of the present invention has the main card slot 238 and the sub-card slots 239, and the key cap 25 has the main card 254 for fitting into the main card slot 238, and is used for embedding The design of the sub-clamps 255 (shown in FIGS. 1 and 5) of the sub-card slots 239 can increase the degree of engagement between the keycap 25 and the pressing plate 23 to prevent the keycap 25 from being removed. The situation of falling off the pressing plate 23 occurs.

In summary, the function of the button device of the present invention is that the waterproof frame 1 and the pressing unit 2 can be directly mounted or detached to the panel 91 and the waterproof frame 1 respectively when facing the front surface of the panel, and the key cap 25 is Disassembledly disposed on the pressing plate 23, the present invention can be easily assembled and repaired and customized to meet the needs of the user, whether it is an assembly maintenance process or a button layout needs to be re-adjusted. The purpose is to achieve the object of the present invention.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.

1‧‧‧Waterproof frame

11‧‧‧ bottom wall

12‧‧‧Wall

121‧‧‧through hole

13‧‧‧Card Wall

131‧‧‧Car face

132‧‧‧Abutment

133‧‧‧ Ring groove

14‧‧‧ frame wall

141‧‧‧ 容容

15‧‧‧Limited wall

151‧‧‧ first side

152‧‧‧ second side

153‧‧‧Limited convex

16‧‧‧ openings

2‧‧‧ Press unit

21‧‧‧ shaft parts

211‧‧‧ head

212‧‧‧Extension

22‧‧‧ Limit bumps

23‧‧‧ Press plate

231‧‧‧ first surface

232‧‧‧ second surface

233‧‧‧ Positioning block

234‧‧‧ first side

235‧‧‧ second side

236‧‧‧ third side

237‧‧‧ fourth side

238‧‧‧Main card slot

239‧‧‧Sub card slot

24‧‧‧Flexible parts

25‧‧‧Key Cap

251‧‧‧ base wall

252‧‧‧ Around the wall

253‧‧‧Lighting mouth

254‧‧‧Main card

255‧‧‧Subcard

256‧‧‧ patterned face

3‧‧‧shims

91‧‧‧ panel

911‧‧‧Perforation

92‧‧‧ hood body

93‧‧‧Lighting elements

Other features and advantages of the present invention will be apparent from the embodiments of the present invention, wherein: FIG. 1 is an exploded perspective view showing an embodiment of a key device of the present invention, which is suitable for mounting with a perforation. Figure 2 is a perspective assembled view illustrating the combined state of the embodiment; Figure 3 is a cross-sectional view showing the view taken along the line III-III of Figure 2, and the embodiment is in a non-pressing manner Figure 4 is a cross-sectional view showing the view taken along line IV-IV of Figure 2; Figure 5 is a cross-sectional view showing the view taken along the line VV of Figure 2; and Figure 6 is A view similar to that of Figure 3 illustrates the embodiment in a depressed state.

1‧‧‧Waterproof frame

12‧‧‧Wall

121‧‧‧through hole

13‧‧‧Card Wall

131‧‧‧Car face

14‧‧‧ frame wall

141‧‧‧ 容容

2‧‧‧ Press unit

236‧‧‧ third side

237‧‧‧ fourth side

238‧‧‧Main card slot

239‧‧‧Sub card slot

24‧‧‧Flexible parts

25‧‧‧Key Cap

251‧‧‧ base wall

252‧‧‧ Around the wall

21‧‧‧ shaft parts

22‧‧‧ Limit bumps

23‧‧‧ Press plate

231‧‧‧ first surface

232‧‧‧ second surface

233‧‧‧ Positioning block

234‧‧‧ first side

235‧‧‧ second side

253‧‧‧Lighting mouth

254‧‧‧Main card

255‧‧‧Subcard

256‧‧‧ patterned face

3‧‧‧shims

91‧‧‧ panel

911‧‧‧Perforation

Claims (5)

A button device is adapted to be mounted on a panel having a perforation, the button device comprising: a waterproof frame, the perforation of the panel is inserted to close the perforation, and includes a bottom wall at a rear side of the panel a peripheral wall extending from the periphery of the bottom wall and passing through the perforated wall of the panel, a card wall extending outwardly from the outer peripheral surface of the peripheral wall and abutting against the front surface of the panel, and a wall connecting the card wall and surrounding The perforation defines a frame wall of the receiving groove, the card wall has a latching surface facing the receiving slot, the peripheral wall defining a through hole communicating with the receiving slot, the waterproof frame further comprising a peripheral wall And an opening communicating with the through hole, the opening penetrating the wall of the cassette and the bottom wall; and a pressing unit penetrating the waterproof frame and adapted for pressing by a user, and including a through the waterproof frame a shaft member of the bottom wall, two oppositely disposed on the outer peripheral surface of the shaft member and located at a rear side of the bottom wall of the waterproof frame, a limit projection opposite to the limit projections and connected to the shaft member a pressing plate in front of the wall of the card, a pressing plate and the pressing plate An elastic member between the bottom wall of the water frame, and a key cap detachably disposed on the pressing plate, the elastic member having an elastic force for constantly pressing the pressing plate away from the latching surface of the latching wall. The pressing plate has a rectangular shape with a first surface facing the wall of the card, a second surface opposite to the first surface, and a direction protruding from the second surface away from the first surface and adjacent to the pressing surface. a positioning block of the opening of the waterproof frame, a first side edge and a second side edge on the two sides of the shaft member, a main card slot recessed on the first surface and adjacent to the first side edge, and two a sub-card slot recessed on the first surface and adjacent to the second side and located at two sides of the positioning block, the key cap having a light-transmissive opening, a base wall for the positioning block of the pressing plate a surrounding wall extending outward from a periphery of the base wall, a main latch projecting inwardly from the surrounding wall for fitting into the main card slot, and two inwardly from the surrounding wall a sub-clip protrudingly disposed to be engaged with the sub-card slots, the light-transmitting opening penetrating the base wall and the surrounding wall. The button device of claim 1, wherein the base wall of the keycap has a pattern surface spaced apart from the light transmission opening and patterned for the pattern. The button device of claim 1, wherein the shaft member has a head portion adjacent to the pressing plate, and an extension portion that is spaced apart from each other and extends from the head portion away from the pressing plate, the same The bit bumps are respectively located at the extensions. The button device according to any one of claims 1 to 3, wherein the wall of the waterproof frame further has an abutting surface facing the front surface of the panel, and a facing surface away from the panel The direction is recessed and surrounds the perforated ring groove, and the button device further includes a spacer located in the ring groove. The button device of claim 4, wherein the waterproof frame further has two limiting walls on both sides of the peripheral wall, each limiting wall has a first side connecting the peripheral wall, and a first opposite to the first a second side portion spaced apart from the peripheral wall and a limiting protrusion protruding from the second side portion away from the peripheral wall and located at a rear side of the panel.