CN216648142U - Silica gel key - Google Patents

Abstract

The utility model relates to a silica gel key, which comprises: silica gel base plate, a plurality of mounting hole have been seted up on the silica gel base plate, set up key mechanism on the silica gel base plate, key mechanism including the circular telegram press the post the circular telegram press the first connecting block of the peripheral body coupling of post, with the peripheral both sides body coupling's of first connecting block dial press the post and with the peripheral body coupling's of post second connecting block is pressed to the dial, set up the circular telegram presses the first conducting layer of post bottom surface, sets up the second conducting layer of post bottom surface is pressed to the dial, wherein, the periphery of second connecting block and the mounting hole edge body coupling on mounting hole surface, the bottom surface of first conducting layer is highly less than the bottom surface of second conducting layer apart from the height of horizontal plane apart from the bottom surface of second conducting layer. The whole silica gel key disclosed by the utility model is compact and reliable in structure and good in user experience.

Description

Silica gel key

Technical Field

The utility model relates to a silica gel key, and belongs to the field of electronic product parts.

Background

The silica gel key is a key product manufactured by taking silica gel as a raw material as the name, belongs to a product category of silica gel products, and has the characteristics of excellent heat resistance, cold resistance, environmental resistance, electric insulation, fatigue resistance and the like. For example, in the case of the silica gel keys of the fixed telephone, some telephone circuit boards are provided with a mechanism that when a user presses the silica gel keys, a part of the silica gel keys required is firstly contacted with the circuit board to be electrified, and then the other part of the silica gel keys is contacted with the dialing part of the circuit board to be electrified so as to signal the controller which number to dial. In addition, the existing silica gel key also needs to improve the user experience, and a new technical scheme needs to be provided for the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a silica gel key, which aims to at least solve one of the technical problems in the prior art.

The technical scheme of the utility model is a silica gel key, which comprises: the silica gel base plate, a plurality of mounting through holes have been seted up on the silica gel base plate, set up key mechanism on the silica gel base plate, key mechanism including the circular telegram press the post the circular telegram press the first connecting block of the peripheral body coupling of post, with the peripheral both sides body coupling's of first connecting block dial press the post and with the peripheral body coupling's of dial press the post second connecting block sets up the circular telegram presses the first conducting layer of post bottom surface, sets up the second conducting layer of post bottom surface is pressed in the dial, wherein, the periphery of second connecting block and the mounting through hole edge body coupling on mounting through hole surface, the bottom surface of first conducting layer is less than the height of the bottom surface distance horizontal plane of second conducting layer apart from the horizontal plane to allow first conducting layer to be in advance of second conducting layer contact circuit board when bearing the holding down force.

Furthermore, the upper parts of the pair of dialing pressing columns are integrally connected through a circle of third connecting part, and a first gap is formed between the third connecting part and the upper part of the electrifying pressing column.

Further, the peripheral edge of the second connecting block is obliquely and upwards integrally connected with the surface of the silica gel substrate, and a second gap is formed between the periphery of the dialing pressing column and the inner peripheral edge of the second connecting block.

Further, the thickness of the first connecting block is larger than that of the second connecting block.

Furthermore, the bottom surface of the silica gel substrate is provided with connecting grooves which are transversely or longitudinally distributed and are communicated with adjacent key mechanisms.

Further, a pair of the dialing pressing columns are arranged on two sides of the electrifying pressing column in a semicircular arc shape.

Furthermore, a plurality of positioning holes are distributed on the silica gel substrate.

Furthermore, the edge of the surface of the silica gel substrate is upwards provided with a positioning block.

The beneficial effects of the utility model are as follows.

1. When the silica gel key is matched with a circuit board for assembly and use, when a user presses the power-on pressing column and the dialing pressing column, due to the fact that the height of the first conducting layer below the power-on pressing column is lower than that of the second conducting layer below the dialing pressing column, the first conducting layer is firstly contacted with the power-on metal part of the power-on part of the circuit board, then the second conducting layer is contacted with the dialing signal part of the circuit board again, which number is dialed by a signal of a controller, the silica gel key is made to be matched with the circuit board of a corresponding mechanism, and the whole silica gel key is compact in structure and reliable.

2. When the user presses the circular telegram and presses post and third connecting portion simultaneously, because a pair of dialing is pressed the post in the below connection of third connecting portion, when arbitrary one dialing is pressed the post and is contacted one of them side of the metal dialing signal part of corresponding circuit board, can give the system ware signal and dial which number, need not two dialing and press the post and all need contact metal dialing signal part, effectively improve user's user experience.

Drawings

Fig. 1 is a perspective view according to an embodiment of the present invention.

Fig. 2 is a top view of an embodiment in accordance with the utility model.

Figure 3 is a cross-sectional view of an AA section according to an embodiment of the present invention.

Fig. 4 is an enlarged partial view of portion B of fig. 3 according to an embodiment of the present invention.

Fig. 5 is a bottom view of an embodiment in accordance with the utility model.

Detailed Description

The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the descriptions of upper, lower, left, right, top, bottom, etc. used in the present invention are only relative to the positional relationship of the components of the present invention with respect to each other in the drawings.

Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.

It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element of the same type from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present disclosure.

Referring to fig. 1 to 5, in some embodiments, the present invention discloses a silicone key, including:

referring to the silicone substrate 100 of fig. 1, a plurality of mounting through holes 110 are formed in the silicone substrate 100, for example, a plurality of groups of mounting through holes 110 may be formed in the silicone substrate in an array, and are correspondingly disposed on the key mechanism 200 on the silicone substrate 100.

Referring to fig. 1 to 5, the key mechanism 200 includes a power-on pressing post 210, a first connecting block 220 integrally connected to the periphery of the power-on pressing post 210, a dial pressing post 230 integrally connected to both sides of the periphery of the first connecting block 220, and a second connecting block 240 integrally connected to the periphery of the dial pressing post 230. Each part of the key mechanism is made of silica gel.

Referring to fig. 4, a first conductive layer 211 is disposed on the bottom surface of the power-on pressing post 210, and a second conductive layer 231 is disposed on the bottom surface of the dial-up pressing post 230.

Referring to fig. 1 in conjunction with fig. 4, the periphery of the second connection block 240 is integrally connected to the edge of the mounting through-hole 110 on the surface of the mounting through-hole 110, and the height of the bottom surface of the first conductive layer 211 from the horizontal plane is smaller than the height of the bottom surface of the second conductive layer 231 from the horizontal plane, so as to allow the first conductive layer 211 to contact the circuit board before the second conductive layer 231 contacts the circuit board when a down pressure is applied.

When the silica gel key is matched with a circuit board for assembly and use, when a user presses the power-on pressing column and the dialing pressing column, due to the height of the first conducting layer below the power-on pressing column, when the height of the second conducting layer below the dialing pressing column is lower relative to the height of the first conducting layer below the dialing pressing column, the first conducting layer firstly contacts the power-on metal part of the power-on part of the circuit board, then the second conducting layer contacts the dialing signal part of the circuit board, which number is dialed by a signal of a controller, the silica gel key is made to be matched with the circuit board of a corresponding mechanism, and the whole silica gel key is compact in structure.

Referring to fig. 1 and 4, the upper portions of the pair of dial-up pressing posts 230 are integrally connected by a ring of third connecting portions 250, and a first gap 251 is opened between the third connecting portions 250 and the upper portions of the conductive pressing posts 210. As shown in fig. 4, the two sides of the bottom of the third connecting portion 250 of the ring are respectively connected with a pair of dial-up pressing posts by integral molding.

When the user presses the circular telegram and presses post and third connecting portion simultaneously, because a pair of dialing is pressed the post in the below connection of third connecting portion, when arbitrary one dialing is pressed the post and is contacted one of them side of the metal dialing signal part of corresponding circuit board, can give the system ware signal and dial which number, need not two dialing and press the post and all need contact metal dialing signal part, effectively improve user's user experience.

Referring to fig. 1, the peripheral edge of the second connecting block 240 is integrally connected to the surface of the silicone substrate 100 in an inclined manner, and a second gap 241 is provided between the periphery of the dial pressing post 230 and the inner peripheral edge of the second connecting block 240. In some embodiments, the thickness of the first connecting block 220 is greater than that of the second connecting block 240, and two inclined sides of the second connecting block are respectively connected to the dialing pressing column and the silica gel substrate, so that the key mechanism after dialing is quickly reset, and the service life of the key can be prolonged.

Referring to fig. 5, the bottom surface of the silicone substrate 100 is provided with connecting grooves 120 which are transversely or longitudinally distributed and are communicated with adjacent key mechanisms 200, and the circuit board can protrude some parts and be conveniently accommodated in the connecting grooves.

Referring to fig. 5, a pair of dial-up pressing columns 230 are disposed in a semicircular arc shape on both sides of the energization pressing column 210.

Referring to fig. 1, a plurality of positioning holes 130 are further disposed on the silicone base plate 100, and a positioning block 140 is disposed upward on the surface edge of the silicone base plate 100 and is matched with the circuit board for positioning and installation.

The present invention is not limited to the above embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present disclosure should be included in the scope of the present disclosure as long as the technical effects of the present invention are achieved by the same means. Are intended to fall within the scope of the present invention. The utility model is capable of other modifications and variations in its technical solution and/or its implementation, within the scope of protection of the utility model.

Claims (8)

1. A silica gel key, comprising:

a silica gel substrate (100), wherein a plurality of mounting through holes (110) are arranged on the silica gel substrate (100),

the key mechanism (200) is arranged on the silica gel substrate (100), the key mechanism (200) comprises an electrified pressing column (210), a first connecting block (220) integrally connected with the periphery of the electrified pressing column (210), a dialing pressing column (230) integrally connected with two sides of the periphery of the first connecting block (220) and a second connecting block (240) integrally connected with the periphery of the dialing pressing column (230),

a first conductive layer (211) disposed on the bottom surface of the energizing pressing column (210),

a second conductive layer (231) disposed on a bottom surface of the dial-up pressing post (230),

the periphery of the second connecting block (240) is integrally connected with the edge of the mounting through hole (110) on the surface of the mounting through hole (110), and the height of the bottom surface of the first conducting layer (211) from the horizontal plane is smaller than that of the bottom surface of the second conducting layer (231) from the horizontal plane, so that the first conducting layer (211) is allowed to contact the circuit board before the second conducting layer (231) when bearing down pressure.

2. The silicone key of claim 1,

the upper parts of the pair of dial pressing columns (230) are integrally connected through a circle of third connecting part (250), and a first gap (251) is formed between the third connecting part (250) and the upper part of the electrified pressing column (210).

3. The silicone key of claim 1,

the peripheral edge of the second connecting block (240) is obliquely and upwards integrally connected with the surface of the silica gel substrate (100), and a second gap (241) is arranged between the periphery of the dialing pressing column (230) and the inner peripheral edge of the second connecting block (240).

4. The silicone key of claim 1,

the thickness of the first connection block (220) is greater than that of the second connection block (240).

5. The silicone key of claim 1,

the bottom surface of the silica gel substrate (100) is provided with connecting grooves (120) which are transversely or longitudinally distributed and are communicated with adjacent key mechanisms (200).

6. The silicone key of claim 1,

the pair of dial pressing columns (230) are arranged on two sides of the electrified pressing column (210) in a semicircular arc shape.

7. The silicone key of claim 1,

and a plurality of positioning holes (130) are also distributed on the silica gel substrate (100).

8. The silicone key of claim 1,

the edge of the surface of the silica gel substrate (100) is upwards provided with a positioning block (140).

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