CN215183595U - Key assembly and panel switch using same - Google Patents
Key assembly and panel switch using same Download PDFInfo
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- CN215183595U CN215183595U CN202022783472.2U CN202022783472U CN215183595U CN 215183595 U CN215183595 U CN 215183595U CN 202022783472 U CN202022783472 U CN 202022783472U CN 215183595 U CN215183595 U CN 215183595U
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Abstract
The utility model provides a key assembly and a panel switch using the key assembly, wherein the key assembly is arranged above a chip board and comprises a key panel, a light guide sheet, a key buckle and a key protection board which are arranged in sequence; the display lamp comprises a key panel, a display lamp and a key buckle, wherein the key panel is provided with a light hole which is arranged aiming at the display lamp, a light guide sheet is arranged below the light hole of the key panel, the key buckle is provided with a light guide groove for accommodating the light guide sheet, the key protection plate is provided with a light gathering groove which is matched with the light guide groove on the key buckle in shape, the middle part of the key protection plate is provided with at least one convex strip, the key protection plate below the convex strip is provided with a hollow structure, and the hollow structure has a space moving downwards; the key assembly provided by the utility model can ensure that the panel switch is light-tight, the key clearance is small and the appearance is beautiful; and the key shakes a little when pressing, presses lightly, and user experience feels good.
Description
Technical Field
The utility model relates to a panel switch field, especially a button subassembly and utilize this button subassembly's panel switch.
Background
At present, in the existing panel switch with a tact switch, a key adopts a seesaw structure connected through a shaft, specifically, the center of the bottom of the key is provided with the shaft, a key protection plate below the key is provided with a shaft hole, the shaft of the key is inserted into the shaft hole of the key protection plate, the switch is covered with a rubber pad, and the microswitch is started and reset through pressing one end of the key; this structure has the following problems: 1. the side edge and the bottom of the key panel have light leakage, and the gaps between the keys are large, so that the attractiveness of the panel switch is affected; 2. the key panel has the condition of shaking or difficulty in pressing when pressing the key switch, and the user experience is poor.
SUMMERY OF THE UTILITY MODEL
The key assembly provided by the utility model has the main purpose of overcoming the defects in the prior art, so that the panel switch is not light-tight, the key clearance is small and the appearance is attractive; and the key shakes a little when pressing, presses lightly, and user experience feels good.
The utility model adopts the following technical scheme:
a key assembly is arranged above a chip board and comprises a key panel, a light guide sheet, a key buckle and a key protection board which are sequentially arranged; the last light trap that is equipped with to the display lamp setting of keypad, the below of keypad's light trap sets up the leaded light piece, is equipped with the leaded light groove of holding leaded light piece on the button buckle, be provided with on the button protection shield with the light-focusing groove of the leaded light groove shape looks adaptation on the button buckle, and be provided with at least one protruding strip at the middle part of button protection shield the button protection shield of protruding strip below is provided with hollow out construction, hollow out construction has the space of downward activity.
Specifically, the key panel is provided with a bar-shaped groove matched with the protruding bar on the key protection plate, and the protruding bar on the key protection plate is clamped through the bar-shaped groove on the key panel, so that the key panel is connected with the key protection plate.
Specifically, a panel positioning column is arranged on the key panel, a positioning hole corresponding to the panel positioning column is arranged on the key buckle, and the panel positioning column on the key panel is riveted with the positioning hole to fixedly connect the key panel and the key buckle.
Specifically, the key panel is made of metal or ceramic.
The invention also provides a panel switch, which comprises a key assembly, a chip plate, an isolation assembly and a strong electric circuit board assembly which are arranged from top to bottom in sequence; the strong current circuit board assembly comprises a strong current circuit board, a rear shell and a rear fixed frame; the strong electric circuit board is arranged in the rear shell, and the rear fixing frame is arranged around the periphery of the rear shell; the isolation assembly is assembled above the strong electric circuit board assembly and comprises a middle fixing frame and an isolation plate assembled in the middle fixing frame, and the isolation plate is provided with a connecting port corresponding to the communication interface on the strong electric circuit board; the chip board and the key protection board are arranged in the isolation board, the bottom of the chip board is provided with a communication socket connected with the strong current circuit board, the chip board is provided with a plurality of micro switches, and the chip board is also provided with an LED state display lamp corresponding to each micro switch; the key assembly is as described above.
Specifically, the isolation component can be fastened horizontally or vertically above the strong electric circuit board component, and the connectors include a first connector and a second connector, so that the first connector or the second connector aligns with the communication interface on the strong electric circuit board when the isolation board is horizontally or vertically placed.
From the above description of the present invention, compared with the prior art, the present invention has the following advantages:
(1) the utility model provides a key assembly, be provided with the light gathering groove with the leaded light groove shape looks adaptation on the button buckle on the button protection shield, and be provided with at least one protruding strip in the middle part of button protection shield, the button protection shield below the protruding strip is provided with hollow out construction, hollow out construction has the space of activity downwards, is provided with the bar recess with protruding strip looks adaptation on the button protection shield on the button panel; the arrangement of the adaptive structures of the protruding strips and the strip-shaped grooves enables the key protection plate and the key panel to be tightly clamped, and the shaking phenomenon is reduced when the keys are pressed; and the key protection board below the protruding strips is provided with a hollow structure, so that the key protection board has a space moving downwards, and when the key is pressed, the buffering effect can be generated, and the pressing is light and convenient.
(2) The utility model is provided with a panel positioning column on the key panel, the key buckle is provided with a positioning hole corresponding to the panel positioning column, and the panel positioning column on the key panel is riveted with the positioning hole to fixedly connect the key panel and the key buckle; when the key panel adopts aluminium system, can directly rivet between panel reference column and the locating hole, if the key panel adopts pottery, can directly bond between panel reference column and the locating hole, consequently the laminating of key panel and button fixed bolster need not go up screw or face bonding fixed, but through the reference column of key panel from the area and the riveting of button fixed bolster or bond for the clearance between each key panel is even, also makes the clearance between each key panel and the well fixed frame even unanimous.
(3) The utility model provides a key assembly sets up the leaded light piece in the below of keypad's light trap, is equipped with the light guide groove of holding leaded light piece on the button buckle, be provided with on the button protection board with the light guide groove shape looks adaptation on the button buckle the light gathering groove be equipped with leaded light piece and light gathering groove, and the light gathering groove is located the leaded light piece below, the light gathering groove covers on the light cross groove of button protection board, can make light not appear the light leak phenomenon from button panel's side and bottom to luminance and the degree of consistency on the reinforcing leaded light piece.
(4) The utility model discloses what key panel adopted is metal material or ceramic material, makes the operation of panel feel good.
Drawings
Fig. 1 is a schematic view showing an exploded structure of a key assembly according to the present invention;
fig. 2 is a schematic view of an exploded structure of the key assembly of the present invention;
fig. 3 is a third schematic view of the exploded structure of the key assembly of the present invention;
fig. 4 is a schematic view showing an exploded structure of a panel switch using the key assembly of the present invention;
fig. 5 is a schematic diagram showing an exploded structure of a panel switch using the key assembly of the present invention.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Example 1
Referring to fig. 1-2, the key assembly 7 is arranged above the chip board 6, and the key assembly 7 includes a key panel 71, a light guide sheet 72, a key buckle 73 and a key protection plate 74, which are arranged in sequence; the button panel 71 is provided with a light hole which is arranged aiming at the display lamp, the light guide sheet 72 is arranged below the light hole of the button panel, the button buckle 73 is provided with a light guide groove 731 for accommodating the light guide sheet 72, the button protection plate 74 is provided with a light gathering groove 741 which is matched with the light guide groove 731 on the button buckle 73 in shape, the embodiment shows a six-key button assembly, and therefore the light hole arranged on the button panel, the light guide sheet, the light guide groove on the button buckle and the light gathering groove on the button protection plate are all 6 and are matched in shape and are in a cross shape; the cross shape can ensure that the assembly can still be suitable under the condition of 90-degree exchange. At least one protruding strip 742 is disposed in the middle of the key protection plate 74, three protruding strips are disposed in this embodiment, a hollow structure (not shown) is disposed on the key protection plate below the protruding strip, the hollow structure has a space moving downward, the hollow structure in this embodiment is rectangular gaps disposed at intervals, and the shape and number of the gaps can be set according to actual requirements. A light guide plate 72 is arranged below the light hole of the key panel 71, a light guide groove 731 for accommodating the light guide plate 72 is arranged at the top end of the key buckle 73, one end of the light guide groove 731 is an open light-transmitting end, the other end of the light guide groove 731 is a fixed end for bonding the light guide plate 72, and the light guide plate 72 is bonded in the light guide groove 731 and covers the light-transmitting end of the light guide groove 731; the bottom end of the button buckle 73 is provided with a light-gathering groove 741 extending downwards corresponding to the light-transmitting end.
Specifically, the key panel 71 is provided with a strip groove 711 matched with the protruding strip 742 on the key protection plate 74, and the key panel 71 and the key protection plate 74 are connected by clamping the protruding strip 742 on the key protection plate through the strip groove 711 on the key panel 71.
The utility model provides a key assembly, be provided with the light gathering groove with the leaded light groove shape looks adaptation on the button buckle on the button protection shield, and be provided with at least one protruding strip in the middle part of button protection shield, the button protection shield below the protruding strip is provided with hollow out construction, hollow out construction has the space of activity downwards, is provided with the bar recess with protruding strip looks adaptation on the button protection shield on the button panel; the arrangement of the adaptive structures of the protruding strips and the strip-shaped grooves enables the key protection plate and the key panel to be tightly clamped, and the shaking phenomenon is reduced when the keys are pressed; and the key protection board below the protruding strips is provided with a hollow structure, so that the key protection board has a space moving downwards, and when the key is pressed, the buffering effect can be generated, and the pressing is light and convenient.
In addition, set up the leaded light piece in the below of key panel's light trap, be equipped with the light guide groove of holding leaded light piece on the button buckle, be provided with on the key protection board with the light guide groove shape looks adaptation's on the button buckle light gathering groove be equipped with leaded light piece and light gathering groove, and the light gathering groove is located the leaded light piece below, the light gathering groove covers on the light cross groove of key protection board, can make light leak phenomenon not appear from key panel's side and bottom to luminance and the degree of consistency on the reinforcing leaded light piece.
The key panel 71 is provided with a panel positioning column 712, the key buckle 73 is provided with a positioning hole 732 corresponding to the panel positioning column 712, and the panel positioning column 712 is riveted or bonded with the positioning hole 732, so that the key panel 71 is fixedly connected with the key buckle 73; when the key panel 71 is made of aluminum, the panel positioning columns 712 and the positioning holes 732 can be directly riveted, and if the key panel 71 is made of ceramic, the panel positioning columns 712 and the positioning holes 732 can be directly bonded, so that the key panel 71 and the key buckles 73 are bonded without screws or surfaces, but the positioning columns of the key panel 71 are riveted or bonded with the key buckles 73, so that gaps between the key panels 71 are uniform, and gaps between the key panels 71 and the middle fixing frame are uniform. The key panel 71 is made of metal or ceramic, so that the operation hand feeling of the panel is good.
Example 2
Referring to fig. 3, the difference from embodiment 1 is that in this example, the key assembly is an eight-key type key assembly, and therefore, the number of the light holes arranged on the key panel, the light guide sheet, the light guide grooves on the key buckle, and the light collection grooves on the key protection plate are all 8, and the shapes of the light holes, the light guide sheet, the light guide grooves on the key buckle, and the light collection grooves on the key protection plate are all adaptive and are all rectangular.
Example 3
Fig. 4-5 show a panel switch using the key assembly, which comprises a key assembly 7, a chip board 6, an isolation assembly 45, and a strong electric circuit board assembly 123 arranged in sequence from top to bottom; the strong electric circuit board assembly 123 comprises a strong electric circuit board 3, a rear shell 2 and a rear fixed frame 1; the isolation assembly 45 comprises a middle fixing frame 4 and an isolation plate 5; the strong electric circuit board 3 is arranged in the rear shell 2, and the rear fixed frame 1 is arranged around the periphery of the rear shell 2; specifically, a groove 31 is formed around the strong electric circuit board 3, and the rear shell 2 is provided with an elastic buckle 21 corresponding to the groove 31, so that the strong electric circuit board 3 is clamped in the rear shell 2; a clamping edge extends towards the periphery of the top of the rear shell 2, and the rear fixing frame 1 is sleeved with the rear shell 2, so that the top of the inner edge of the rear fixing frame 1 abuts against the clamping edge of the rear shell 2; the rear shell 2 is also provided with an elastic limit post 22.
The isolating plate 5 is clamped in the middle fixing frame 4, the isolating component 45 can be transversely buckled or vertically buckled above the strong electric circuit board component 123, and the isolating plate 5 is provided with a first socket 52 and a second socket 52, so that the first socket 52 or the second socket 52 is aligned with a communication interface on the strong electric circuit board 3 when the isolating plate 5 is transversely arranged or vertically arranged;
specifically, 4 positioning through openings are arranged between the rear fixing frame 1 and the rear shell 2 in a matching manner, 4 elastic positioning columns 51 which extend downwards and correspond to the positioning through openings are arranged at the bottom of the isolation plate 5, and the elastic positioning columns 51 are inserted into the positioning through openings; the lower part of the elastic positioning column 51 is a guide part in an inclined plane, the upper part of the elastic positioning column 51 is a clamping part in a slight angle with the horizontal plane, and a bulge is formed at the joint of the clamping part and the guide part; the elastic positioning column 51 is inserted into the positioning through hole through the guide part and is clamped with the positioning through hole through the clamping part; more specifically, the location is crossed the mouth and is the quasi-rectangular structure, and the guide part sets up outwards, and back fixed frame 1 adopts metal construction, and when horizontal or vertical putting, the guide part on inclined plane and joint portion begin the end towards back fixed frame 1 and with the metal edge contact effect of back fixed frame 1, the structure is more stable firm, and the dismouting can be more in the same direction as smooth, do not block and pause.
In the division board 5 is located to chip board 6 and button protection shield 74, the bottom of chip board 6 is equipped with the communication socket of being connected with forceful electric power circuit board 3, and the relative both sides of parallel are arranged and are equipped with 2 groups, 3 groups or 4 groups of micro-gap switch 61 on chip board 6, and every group micro-gap switch 61 is equipped with 2 parallel relative micro-gap switch 61.
The key assembly is arranged above the chip board and comprises at least 2 groups of key modules, and each group of key modules corresponds to one group or two groups of micro switches 61;
specifically, the key assembly may be configured according to actual requirements, where the key assembly includes 2 groups of 8-key modules, 2 groups of 4-key modules, 3 groups of 6-key modules, or 4 groups of 8-key modules; in 2 groups of 8-key-type key modules, each group of key modules corresponds to two groups of micro switches 61; in the 4-key 2-group key module, the 6-key 3-group key module and the 8-key 4-group key module, each group of key modules corresponds to one group of micro switches 61.
The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (6)
1. A key assembly is characterized in that the key assembly is arranged above a chip board and comprises a key panel, a light guide sheet, a key buckle and a key protection board which are arranged in sequence; the last light trap that is equipped with to the display lamp setting of keypad, the below of keypad's light trap sets up the leaded light piece, is equipped with the leaded light groove of holding leaded light piece on the button buckle, be provided with on the button protection shield with the light-focusing groove of the leaded light groove shape looks adaptation on the button buckle, and be provided with at least one protruding strip at the middle part of button protection shield the button protection shield of protruding strip below is provided with hollow out construction, hollow out construction has the space of downward activity.
2. The key assembly as claimed in claim 1, wherein the key panel has a plurality of bar-shaped grooves adapted to the protruding strips of the key protection plate, and the key panel is connected to the key protection plate by engaging the protruding strips of the key protection plate with the bar-shaped grooves of the key panel.
3. The key assembly of claim 1, wherein the key panel has a panel positioning post, the key buckle has a positioning hole corresponding to the panel positioning post, and the panel positioning post on the key panel is used to rivet the positioning hole, so that the key panel and the key buckle are fixedly connected.
4. The key assembly as claimed in claim 1, wherein the key panel is made of metal or ceramic.
5. A panel switch, characterized by: the key assembly, the chip board, the isolation assembly and the strong electric circuit board assembly are sequentially arranged from top to bottom; the strong current circuit board assembly comprises a strong current circuit board, a rear shell and a rear fixed frame; the strong electric circuit board is arranged in the rear shell, and the rear fixing frame is arranged around the periphery of the rear shell; the isolation assembly is assembled above the strong electric circuit board assembly and comprises a middle fixing frame and an isolation plate assembled in the middle fixing frame, and the isolation plate is provided with a connecting port corresponding to the communication interface on the strong electric circuit board; the chip board is arranged in the isolation board, the bottom of the chip board is provided with a communication socket connected with the strong-current circuit board, the chip board is provided with a plurality of micro switches, and the chip board is also provided with an LED state display lamp corresponding to each micro switch; the key assembly is as claimed in any one of claims 1 to 4.
6. A panel switch as claimed in claim 5, wherein: the isolating component can be buckled above the strong electric circuit board component in a transverse buckling mode or a vertical buckling mode, and the connecting ports comprise a first connecting port and a second connecting port so that the first connecting port or the second connecting port is aligned with the communication interface on the strong electric circuit board when the isolating plate is arranged in the transverse buckling mode or the vertical buckling mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022783472.2U CN215183595U (en) | 2020-11-26 | 2020-11-26 | Key assembly and panel switch using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022783472.2U CN215183595U (en) | 2020-11-26 | 2020-11-26 | Key assembly and panel switch using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215183595U true CN215183595U (en) | 2021-12-14 |
Family
ID=79350460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022783472.2U Active CN215183595U (en) | 2020-11-26 | 2020-11-26 | Key assembly and panel switch using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215183595U (en) |
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2020
- 2020-11-26 CN CN202022783472.2U patent/CN215183595U/en active Active
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