CN217216543U

CN217216543U - Elastic touch type key with lamp

Info

Publication number: CN217216543U
Application number: CN202221040751.2U
Authority: CN
Inventors: 王理云; 吴亦军
Original assignee: Wenzhou Yunjing Semiconductor Technology Co ltd
Current assignee: Wenzhou Yunjing Semiconductor Technology Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-08-16
Anticipated expiration: 2032-04-24

Abstract

The utility model relates to the technical field of keys, in particular to an elastic touch type key with a lamp, which comprises a key body and a LED module matched with the key body, wherein the key body comprises a plane key body and an elastic touch mechanism, the plane key body and the elastic touch mechanism are both made of conductive materials, the elastic touch mechanism comprises an elastic connecting piece and touch keys, the touch keys are connected and arranged on the surface of the plane key body through the elastic connecting piece, at least two elastic connecting pieces are arranged and are uniformly arranged on the plane key body, the plane key body is arranged on a product circuit board and is connected with a touch signal detection module on the product circuit board, a gap of 0-5mm is arranged between the upper surface of the touch keys and the product touch panel, the upper end surface of a lamp shade is level with the surface of the plane key body, and the lowest end of a contact pin is level with the lowest end pin of the plane key body, the utility model discloses with low costs, production efficiency is high, product reliability is high.

Description

Elastic touch type key with lamp

Technical Field

The utility model relates to a button technical field, specific field is an elasticity touch key-press with lamp.

Background

An induction capacitor exists between any two conductive objects, one key, namely one bonding pad and a grounding end can form the induction capacitor, and under the condition that the surrounding environment is not changed, the value of the induction capacitor is a fixed and unchangeable tiny value. When a human finger approaches the touch key, an induction capacitor is formed between the human finger and the grounding terminal, and the total induction capacitor value is increased by the induction capacitor formed by the parallel connection pad and the grounding terminal. The capacitive touch key IC outputs a determination signal that a certain key is pressed after detecting that the value of the induction capacitance of the certain key is changed. The capacitive touch key has no mechanical structure, all detection is small change of electric quantity, so the capacitive touch key is more sensitive to various interferences, and therefore, the design of the touch key, the design of a touch panel and the selection of a touch IC are all very critical. The traditional touch PAD generally selects a flat-top cylindrical spring, a key induction plate is required to be closely attached to a panel, and an air gap cannot be reserved in the middle of the key induction plate.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an elasticity touch takes lamp button.

In order to achieve the above object, the utility model provides a following technical scheme: an elastic touch type key with a lamp comprises a key body and an LED module matched with the key body, wherein the LED module comprises a lamp shade, an LED lamp and a lamp holder, the LED lamp is arranged on the lamp holder, the lamp holder contact pin is arranged on the lamp holder, the connecting end of the LED lamp is connected with the corresponding lamp holder contact pin, the lamp holder is arranged in the lamp shade, the lamp shade is fixedly arranged on the key body, the key body comprises a plane key body and an elastic touch mechanism, the plane key body and the elastic touch mechanism are both made of conductive materials, the elastic touch mechanism comprises an elastic connecting piece and touch keys, the touch keys are connected and arranged on the surface of the plane key body through the elastic connecting piece, the elastic connecting pieces are at least two and are uniformly arranged on the plane key body, the plane key body is arranged on a product circuit board, and the plane key body is connected with a touch signal detection module on the product circuit board, a gap of 0-5mm is arranged between the upper surface of the touch key and the touch panel of the product, the upper end surface of the lampshade is flush with the surface of the plane key body, and the lowest end of the lamp holder contact pin is flush with the lowest end of the pin of the plane key body.

Preferably, the center of the plane key body and the center of the touch key are provided with through holes, and the lampshade is arranged on the through holes of the plane key body.

Preferably, the elastic connecting piece is made of conductive plastic or conductive rubber.

Preferably, the side of the lampshade is vertically provided with at least one raised line, and the through hole side wall of the plane key body is provided with limit grooves which are matched with the raised lines on the lampshade in corresponding positions and quantity.

Preferably, the lampshade is made of light-transmitting insulating plastic.

Preferably, the lamp holder is made of insulating plastic.

Preferably, the pins of the key body and the lamp holder pins are made of metal materials.

Preferably, the LED lamp is a surface mount type or direct insertion type LED lamp.

Preferably, the key body is made of a conductive resin material.

Compared with the prior art, the beneficial effects of the utility model are that: a gap is formed between the plane key body and a touch panel of a product, so that the installation requirement is reduced, meanwhile, condensed damp water generated by the panel in the using process is very heavily corroded on the cylindrical spring, the novel touch key is not close to the panel any more, so that the corrosion influence of the condensed water is reduced, and meanwhile, through the arrangement of the LED lamp, the use effect of the touch key can be improved, and the touch prompt feedback is improved; through the setting of elastic touch mechanism, the touch key can be further improved in contact with the surface of the panel, so that when the same type of key is used in the key installation process of different products or different batches of equipment, the key can be contacted with the panel through the elastic key, the fit clearance between the key and the panel can be the same, the use effect of the key is ensured, and the key touch stability is improved.

Drawings

Fig. 1 is a schematic view of the matching structure between the planar key body and the touch key mechanism of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a cross-sectional view of the present invention;

fig. 4 is an exploded view of the present invention;

fig. 5 is another embodiment of the elastic connector.

In the figure: 1. a planar key body; 2. an elastic connecting member; 3. touching a key; 4. a pin of the key body; 5. a through hole; 6. a convex strip; 7. a limiting groove; 8. a lamp shade; 9. an LED lamp; 10. a lamp holder; 11. and inserting pins of the lamp holder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1 to 4, the present invention provides a technical solution: an elastic touch type key with a lamp comprises a key body and an LED module matched with the key body, wherein the LED module comprises a lamp shade 8, an LED lamp 9 and a lamp holder 10, the LED lamp 9 is arranged on the lamp holder 10, a lamp holder 10 pin 11 is arranged on the lamp holder 10, a connecting end of the LED lamp 9 is connected with the corresponding lamp holder 10 pin 11, the lamp holder 10 is arranged in the lamp shade 8, the lamp shade 8 is fixedly arranged on the key body, the key body comprises a plane key body 1 and an elastic touch mechanism, the plane key body 1 and the elastic touch mechanism are both made of conductive materials, the elastic touch mechanism comprises an elastic connecting piece 2 and a touch key 3, the touch key 3 is connected and arranged on the surface of the plane key body 1 through the elastic connecting piece 2, the elastic connecting piece 2 is at least provided with two keys and is uniformly arranged on the plane key body 1, the plane key body 1 is arranged on a product circuit board, and the plane key body 1 is connected with a touch signal detection module on a product circuit board, a gap of 0-5mm is arranged between the upper surface of the touch key 3 and a product touch panel, the upper end surface of the lampshade 8 is parallel and level with the surface of the plane key body 1, and the lowest end of a contact pin 11 of the lamp holder 10 is parallel and level with the lowest end of a pin 4 of the plane key body 1.

The flat key body 1 is installed on a circuit board of a product, the flat key body 1 is connected with a touch signal detection module on the circuit board of the product, a gap of 0-5mm is arranged between the upper surface of the flat key body 1 and a touch panel of the product, and preferably, a gap of 2-3mm is arranged between the upper surface of the flat key body 1 and the touch panel of the product. Touch signal detection module can select touch sensor for use, press the key region back on certain touch panel when human finger, on the product circuit board, the increase appears in the response electric capacity, make touch sensor detect the electric capacity change signal on this button, will export this and press the definite signal that the key region was pressed, make corresponding control signal activation, to the difference in the product model, be special-shaped to the panel, or elastic panel, increase the interval between plane key body 1 and the panel at the installation, make 3 parts of touch button pass through 2 conflict panel lower surfaces of elastic connecting piece, and when making the panel press, touch button 3 moves down in step, and when the panel resumes, touch button 3 shifts up in step, realize touch activation, guarantee the result of use of button.

The elastic connection member may be provided in any shape, and as shown in fig. 5, the elastic connection member is provided in a hollow circular shape.

The center of the plane key body 1 and the touch key 3 is provided with a through hole 5, and the lampshade 8 is arranged on the through hole 5 of the plane key body 1.

The elastic connecting piece 2 is made of conductive plastic or conductive rubber.

The vertical at least one sand grip 6 that is provided with in side of lamp shade 8, be provided with on the 5 lateral walls of through-hole of the plane button body 1 with the lamp shade 8 on sand grip 6 positions correspond complex spacing groove 7 with quantity, through the cooperation of sand grip 6 with spacing groove 7, can make things convenient for the fixed coordination between lamp shade 8 and the button body.

The lampshade 8 is made of transparent insulating plastic, and the transparent insulating plastic can not only facilitate the light transmission of the LED lamp 9, but also ensure the insulation safety.

The lamp holder 10 is made of insulating plastic or is used as a connecting and fixing frame of the LED lamp 9 by arranging a PCB (printed Circuit Board).

The pin 4 of the key body and the pin 11 of the lamp holder 10 are both made of metal materials.

The LED lamp 9 is a surface-mounted type or direct-insertion type LED lamp 9.

The key body is made of a conductive resin material.

1. The touch key 3 made of the resin material can be formed by adopting the traditional processes such as injection molding and the like, and compared with a cylindrical spring, the touch key is lower in material cost and higher in production efficiency;

2. the touch key 3 made of the resin material has stable size and better hardness, is convenient to install by adopting an automatic mechanical plug-in, is softer than a spring, is produced by adopting a manual plug-in, and has obviously improved production efficiency;

3. the conductive material is plated or coated on the surface of the conductive resin material or the non-conductive resin material, and the distance between the conductive material and the control panel is 2-3mm after installation, so that the influence of condensed water corrosion on the surface of the panel is reduced, the service life of the touch key 3 is prolonged, and the product is more reliable;

4. the key made of the conductive resin material has flexible and various fixing pin positions and is suitable for different installation requirements.

Through this technical scheme, set up the LED module on the button body, LED lamp 9 can adopt the form setting of often brightening, makes things convenient for the area location under the dim circumstances of light and the position location of button body, perhaps LED lamp 9 sets up to trigger formula and starts, and after the button that the finger touch corresponds the region, LED lamp 9 of this department starts luminous for remind the user, this time operation is accomplished.

In addition, the optimal distance between the touch key 3 and the panel is 2-3mm, and compared with a cylindrical spring, the panel is required to be touched, the novel touch key 3 is not required to be attached to the panel, so that the installation requirement is reduced, meanwhile, the condensed damp water generated by the panel in the use process is heavily corroded the cylindrical spring, the novel touch key 3 is not close to the panel, and the corrosion influence of the condensed water is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an elasticity touch area lamp button which characterized in that: the LED lamp comprises a key body and an LED module matched with the key body, wherein the LED module comprises a lamp shade, an LED lamp and a lamp holder, the LED lamp is arranged on the lamp holder, the lamp holder contact pin is arranged on the lamp holder, the connecting end of the LED lamp is connected with the corresponding lamp holder contact pin, the lamp holder is arranged in the lamp shade, the lamp shade is fixedly arranged on the key body, the key body comprises a plane key body and an elastic touch mechanism, the plane key body and the elastic touch mechanism are both made of conductive materials, the elastic touch mechanism comprises an elastic connecting piece and touch keys, the touch keys are connected and arranged on the surface of the plane key body through the elastic connecting piece, the elastic connecting piece is at least provided with two elastic connecting pieces, the elastic connecting pieces are uniformly arranged on the plane key body, the plane key body is arranged on a product circuit board, and the plane key body is connected with a touch signal detection module on the product circuit board, a gap of 0-5mm is arranged between the upper surface of the touch key and the touch panel of the product, the upper end surface of the lampshade is flush with the surface of the plane key body, and the lowest end of the lamp holder contact pin is flush with the lowest end of the pin of the plane key body.

2. The elastic touch type key with lamp as claimed in claim 1, wherein: the center of the plane key body and the center of the touch key are provided with through holes, and the lampshade is arranged on the through holes of the plane key body.

3. The elastic touch type key with lamp as claimed in claim 1, wherein: the elastic connecting piece is made of conductive plastic or conductive rubber.

4. The elastic touch type key with lamp as claimed in claim 2, wherein: the side of lamp shade is vertical to be provided with an at least sand grip, be provided with on the through-hole lateral wall of plane button body with the sand grip position on the lamp shade correspond complex spacing groove with quantity.

5. The elastic touch type key with lamp as claimed in claim 1, wherein: the lampshade is made of transparent insulating plastic.

6. The elastic touch type key with lamp as claimed in claim 1, wherein: the lamp holder is made of insulating plastic.

7. The elastic touch type key with lamp as claimed in claim 1, wherein: the pins of the key body and the lamp holder contact pins are made of metal materials.

8. The elastic touch type key with lamp as claimed in claim 1, wherein: the LED lamp is a surface-mounted type or direct-insertion type LED lamp.

9. The elastic touch type key with lamp as claimed in claim 1, wherein: the key body is made of a conductive resin material.