No-overhanging pin patch type silica gel elastic button
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A patch-type, key-press technology, applied in the direction of electrical components, electric switches, circuits, etc., can solve the problems of low production efficiency, low production efficiency, large workplaces, etc.
Active Publication Date: 2015-09-09
桂林恒昌电子科技有限公司
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Secondly, the assembly process of the existing silicone buttons mainly relies on manual work, and the production efficiency is low; generally, the silicone buttons have positioning feet and related positioning designs. Positioning and assembly, that is, manually put the positioning pin of each conductive single function button through the positioning hole of the circuit board
Relying on manual positioning
Method used
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Embodiment 1
[0030] refer to Figure 1-Figure 3 , a patch-type silicone elastic button without protruding pins, comprising a base 1 and a button software 2, the button software 2 includes a button convex body 7, an elastic software 8 and a conductive contact 9, the elastic software 8 is in the shape of a tapered cylinder body shape, the inner edge of the small mouth of the elastic soft body 8 is connected with the button convex body 7, the large mouth end of the elastic soft body 8 is connected with the upper surface of the base 1, and the conductive contact 9 is arranged on the lower end surface of the button convex body 7,
[0031] The base 1 is provided with an inner pin 3 that does not exceed the outer side of the base 1 , and the lower end surface and the outer side of the inner pin 3 are welding surfaces.
[0032] The surface of the inner pin 3 is made of solderable material, which has solderability, and is convenient to play the role of solderable connection to the printed circuit b...
Embodiment 2
[0042] refer to Figure 4-Figure 6 , a patch-type silicone rubber elastic button without protruding pins, the number of pins 3 in this embodiment is 4, and the rest are the same as in Embodiment 1.
Embodiment 3
[0044] refer to Figure 7-Figure 9 , a patch-type silicone elastic button without protruding pins, the number of pins 3 in this embodiment is 8, and the rest are the same as in Embodiment 1.
[0045] In addition to the two, four, and eight patch-type silicone elastic buttons with inner pins 3 described in the above embodiments, by designing the symmetrical inner pins 3 of the pin bracket 4, it is possible to form different sizes, shapes and quantities. The non-extruding pin SMD silicone elastic button with pin 3 within the specification meets the needs of different products for surface mount silicone buttons with high density, low manufacturing cost, and good practicability.
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Abstract
The invention discloses a no-overhanging pin patch type silica gel elastic button comprising a pedestal and a button soft body. The button soft body comprises a button convex body, an elastic soft body and a conductive contact. The elastic soft body is a tapered cylinder shape. The small mouth internal edge of the elastic soft body is connected with the button convex body. The large mouth end of the elastic soft body is connected with the upper surface of the pedestal. The conductive contact is arranged at the lower end surface of the button convex body. The no-overhanging pin patch type silica gel elastic button is characterized in that the pedestal is internally provided with internal pins which do not exceed the external side of the pedestal. The lower end surfaces and the external side surfaces of the internal pins are welding surfaces. The internal pins are arranged on pin supports. Pin connecting frames connected with the internal pins are arranged between the internal pins. The internal pins and the pin connecting frames are included in the pin supports. The secondary bending process of pin welding is avoided by the button, and pin coplanarity is great so that the requirements for pin size, shape and number of different buttons can be simply realized. The button is suitable for application of surface mounting and also has advantages of high-density arrangement, low manufacturing cost and great practicality.
Description
technical field [0001] The invention relates to the structural design and application technology of a macromolecular elastic body key, in particular to a patch-type silicone elastic key without protruding pins. Background technique [0002] The conductive adhesive button industry was born in the 1980s and 1990s. Conductive monomer connectors are colloquially called keys. Whether in military products or civilian products, almost all electronic products all need to have function keys. At present, there are many keys using silica gel and elastic rubber, such as telephones, computer keyboards, remote controls, controllers, air conditioners and other electronic products containing various function keys. The current plight of the silicone keypad industry can be summarized as the lack of uniform norms and standards and the reliance on manual assembly. [0003] First of all, since the existing conductive monomer function buttons are non-standard parts, each electronic product nee...
Claims
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Application Information
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