CN220290667U

CN220290667U - Waterproof key switch with lamp

Info

Publication number: CN220290667U
Application number: CN202321284380.7U
Authority: CN
Inventors: 杨文辉
Original assignee: Xiamen Jinbeili Electronics Co ltd
Current assignee: Xiamen Jinbeili Electronics Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2024-01-02
Anticipated expiration: 2033-05-25

Abstract

The application discloses waterproof key switch with lamp belongs to key switch field, and its technical scheme main points include the casing, the casing includes the base and covers the top cap in the base outside, install the circuit board on the base, be fixed with the pot young piece on the circuit board, the key hole has been seted up on the casing, the activity of key hole is provided with the button that is used for pressing the pot young piece, be provided with the silica gel layer between button and the pot young piece, the silica gel layer covers the circuit board completely, the movable groove that is used for supplying the pot young piece activity has been seted up to the bottom of silica gel layer, the through-hole has been seted up on the pot young piece, install the lamp body on the circuit board and be located the through-hole, the button is transparent with the silica gel layer; the side wall of the shell is provided with a plurality of wiring holes, and leads of the circuit board penetrate out of the wiring holes; this application can install key switch in suitable position according to the demand, need not the welding, and is direct to inserting the lead wire on the mainboard, convenient assembling, the suitability is high to when taking the lamp, the waterproof performance of lamp body is good, not fragile effect.

Description

Waterproof key switch with lamp

Technical Field

The present application relates to the field of key switches, and more particularly to a waterproof key switch with a lamp.

Background

The existing key switch needs to be welded on a PCB, and then the switch is fixed by fixing the PCB, so that the assembly mode is limited; and the existing key switch generally cannot give consideration to the functions of lamp carrying and water prevention.

The existing key switch with the lamp is shown in fig. 1, and comprises a base body 16 arranged on a circuit board 2, wherein a button 17 is movably arranged on the base body 2 and used for pressing a dome sheet inside the base body 2, waterproof silica gel 18 is poured on the circuit board 2, a lamp bead 19 is arranged at the top of the base body 2 and positioned in the middle of the button 17, the lamp bead 19 is kept motionless when the button 17 is pressed downwards, a notch 20 is formed in the side wall of the button 17, and a metal pin 21 of the lamp bead 19 extends out of the notch 20 and is connected with the circuit board 2;

in order to avoid waterproof silica gel to influence the normal activity of button, waterproof silica gel can't cover to the base member top, leads to the metal pin of lamp pearl to have a part unable quilt waterproof silica gel to cover, when moisture gets into in the switch, although the circuit board can be protected by waterproof silica gel, but the metal pin of lamp pearl can contact with moisture and damage, and the waterproof performance of lamp pearl is relatively poor.

In order to solve the above problems, it is necessary to develop a novel key switch.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide the waterproof key switch with the lamp, which has the advantages that a user can install the key switch at a proper position according to requirements without welding, the lead wire is directly inserted on the main board, the assembly is convenient, the applicability is high, and the waterproof performance of the lamp body is good and the lamp body is not easy to damage when the lamp is arranged.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the waterproof key switch with the lamp comprises a shell, wherein the shell comprises a base and a top cover covered on the outer side of the base, a circuit board is mounted on the base, a dome sheet is fixed on the circuit board, a key hole is formed in the shell, a key used for pressing the dome sheet is movably arranged in the key hole, a silica gel layer is arranged between the key and the dome sheet, the circuit board is completely covered by the silica gel layer, a movable groove used for the dome sheet to move is formed in the bottom of the silica gel layer, a through hole is formed in the dome sheet, a lamp body is mounted on the circuit board and located in the through hole, and the key and the silica gel layer are transparent; a plurality of wiring holes are formed in the side wall of the shell, and leads of the circuit board penetrate out of the wiring holes.

Through adopting above-mentioned technical scheme, the button need not with the mainboard welding, only need with the lead wire to plug in on the mainboard can, convenient assembling to the lamp body is installed in the middle of the through-hole of pot young piece, can not touch the lamp body when the pot young piece is deformed, and the light of lamp body is wanting can directly to be penetrated through transparent silica gel layer and button, and the movable groove of silica gel layer bottom covers pot young piece and lamp body completely, forms a airtight space, and lamp body waterproof performance is good, and is not fragile.

The utility model is further provided with: the dome points for contact are protruded on the dome sheets.

Through adopting above-mentioned technical scheme, effectively solve the switch in the production process, lead to the poor problem of switch contact because of the foreign matter. In the production process, if slight dust, plastic scraps and other impurities enter, the switch conduction performance is not affected as long as any bubble point on the dome sheet is in contact with the circuit board.

The utility model is further provided with: an abutting block is arranged in the movable groove and is attached to the dome sheet.

Through adopting above-mentioned technical scheme, the user can push down the pot young piece when pressing the button, the butt piece in the silica gel layer movable slot for the button is more easy with pot young piece contact.

The utility model is further provided with: the abutting block is annular and surrounds the mounting hole.

Through adopting above-mentioned technical scheme, the butt piece is annular and encircles the mounting hole setting, has increased the area of contact of butt piece and young piece of pot for more balanced stability when young piece of pot is deformed.

The utility model is further provided with: the silica gel layer is located in the middle of the abutting block and is provided with a yielding groove, and the yielding groove extends to the inside of the key.

Through adopting above-mentioned technical scheme, when the user is used for great strength to press down the button, the lamp body can penetrate the inslot of stepping down, has avoided lamp body and silica gel layer and button contact, leads to the lamp body to damage.

The utility model is further provided with: the key has flexibility.

By adopting the technical scheme, the sealing performance between the keys and the key holes can be improved, the waterproof performance is better, and the flexible keys have better hand feeling.

The utility model is further provided with: and the silica gel layer and the keys are integrally formed.

By adopting the technical scheme, the waterproof performance of the joint of the key and the silica gel layer is better.

The utility model is further provided with: the base is provided with a positioning block in a protruding mode, and positioning grooves matched with the positioning block are formed in the circuit board and the silica gel layer.

Through adopting above-mentioned technical scheme, the constant head tank of circuit board and silica gel layer all cooperates with the locating piece joint for circuit board and silica gel layer are difficult for taking place to remove, and make things convenient for silica gel layer and circuit board to it, guarantee that the silica gel layer covers the circuit board.

The utility model is further provided with: rounded corners are formed at the top ends of the keys.

By adopting the technical scheme, fingers cannot be scratched by the edge of the top end of the key when a user presses the key, and the hand feeling is better.

In summary, the utility model has the following advantages:

1. by arranging the independent circuit board and the wiring holes on the shell, a user can install the key switch at a proper position according to the requirements, and the key switch is convenient to use and high in applicability; through setting up pot young piece and transparent button and the silica gel layer of taking the through-hole for the lamp body can normal use, and the waterproof performance of lamp body is good, and is not fragile.

2. By setting the bubble point, the problem of poor contact caused by sundries such as dust and the like can be avoided; by arranging the abutting blocks, when the key is pressed, the abutting blocks can downwards press the dome sheet, and the key is easier to contact with the dome sheet; by arranging the abdication groove, the lamp body is prevented from being contacted with the silica gel layer and the keys, so that the lamp body is prevented from being damaged;

3. through setting up locating piece and constant head tank for circuit board and silica gel layer are difficult for taking place to remove, and make things convenient for silica gel layer and circuit board to it, guarantee that the silica gel layer covers the circuit board.

Drawings

FIG. 1 is a schematic diagram of a prior art push-button switch with a light;

FIG. 2 is an overall schematic of the present embodiment;

FIG. 3 is an exploded view of the present embodiment;

FIG. 4 is a schematic diagram showing the bottom of a silicone layer in this embodiment;

fig. 5 is a schematic cross-sectional view of the dome sheet in this embodiment.

Reference numerals illustrate: 1. a housing; 101. a base; 102. a top cover; 2. a circuit board; 3. a pot slice; 4. a key; 5. a silica gel layer; 6. a movable groove; 7. a through hole; 8. a lamp body; 9. a wiring hole; 10. a lead wire; 11. an abutment block; 12. a relief groove; 13. a positioning block; 14. a positioning groove; 15. round corners; 16. a base; 17. a button; 18. waterproof silica gel; 19. a lamp bead; 20. a notch; 21. a metal pin; 23. a key hole; 24. bubble point.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

A waterproof key switch with a lamp is shown in fig. 2 and 3, and comprises a shell 1, wherein the shell 1 comprises a base 101 and a top cover 102 covered outside the base 101, an independent circuit board 2 is installed on the base 101, a dome 3 is fixed on the circuit board 2, a key 4 hole is formed in the shell 1, a key 4 used for pressing the dome 3 is movably arranged in the key 4 hole, a round corner 15 is formed at the edge of the top end of the key 4, a user presses the key 4 to enable the dome 3 to deform and contact with the circuit board 2, the switch can be triggered, and the dome 3 can rebound to be original after the key 4 is loosened.

A plurality of wiring holes 9 are formed in the side wall of the shell 1, the lead 10 of the circuit board 2 penetrates out of the wiring holes 9 and is connected with the main board, the lead 10 is provided with an LED negative common line, an LED positive signal line, a power input line, a key signal line and the like (wire specification, length, quantity and LED color can be customized according to customer requirements) respectively, welding with the main board is not needed, the switch can be installed at a proper position according to the customer requirements, and the applicability of the switch is improved.

Be provided with silica gel layer 5 between button 4 and the pot young piece 3, silica gel layer 5 and button 4 integrated into one piece, silica gel layer 5 covers circuit board 2 completely, plays the water-proof effects, and button 4 also is made by silica gel, has flexibility, has improved the leakproofness between button 4 and the button 4 hole.

Through-hole 7 has been seted up at the middle part of pot young piece 3, and just is located through-hole 7 on the circuit board 2 and installs lamp body 8, and button 4 is made by transparent silica gel with silica gel layer 5 and consequently all is transparent for lamp light of lamp body 8 can directly pierce through silica gel layer 5 and button 4, and lamp body 8 is located silica gel layer 5 below, and the water-proof effects is good.

As shown in fig. 3, 4 and 5, the bottom of the silica gel layer 5 is provided with a movable groove 6 for the movement of the dome sheet 3, so that a movable space is provided for the deformation of the dome sheet 3, and meanwhile, the dome sheet 3 and the lamp body 8 are completely covered by the movable groove 6, so that a closed space is formed, and the waterproof performance is good.

The interior roof of movable groove 6 is provided with butt piece 11, butt piece 11 and the laminating of young piece 3, and butt piece 11 can push down young piece 3 when the user presses button 4 for button 4 more easily contacts with young piece 3, and butt piece 11 is cyclic annular and encircles young piece 3 with the hole setting, has increased the area of contact of butt piece 11 and young piece 3, and is more balanced stable when young piece 3 deformation.

The groove 12 of stepping down has been seted up to the middle of silica gel layer 5 being located butt piece 11, and the groove 12 of stepping down upwards extends to button 4 inside, and the size of the groove 12 of stepping down is greater than the size of lamp body 8, and when the button 4 was pressed with great strength to the user, lamp body 8 can penetrate in the groove 12 of stepping down, avoided lamp body 8 direct with silica gel layer 5 and button 4 contact, prevent that lamp body 8 from being crushed.

The bottom of the dome sheet 3 is provided with a plurality of bubble points 24 in a protruding mode, the bubble points 24 are made of metal and are integrally formed with the dome sheet 3, in the production process, gaps can possibly appear between the dome sheet 3 and the circuit board 2 to cause poor contact in case of slight dust, plastic chips and other sundries entering, and the switch conduction performance is not affected as long as any bubble point 24 on the dome sheet 3 is in contact with the circuit board 2.

The edge of the base 101 is protruded with the positioning block 13, the circuit board 2 and the silica gel layer 5 are provided with the positioning grooves 14 matched with the positioning block 13, when the circuit board 2 and the silica gel layer 5 are installed on the base 101, the positioning grooves 14 are matched with the positioning block 13 in a clamping manner, so that the circuit board 2 and the silica gel layer 5 are not easy to move, the silica gel layer 5 and the circuit board 2 are aligned conveniently, and the circuit board 2 is covered completely.

The working process and the beneficial effects of the utility model are as follows: the user fixes the base 101 of the shell 1 at a proper position, and leads 10 of the circuit board 2 penetrate out of the wiring holes 9 and are connected with the main circuit board 2; the user makes the pot young piece 3 take place deformation through pressing button 4, and pot young piece 3 downward contacts with circuit board 2 to trigger the switch, when the user loosen button 4, pot young piece 3 can kick-back upwards prop up and restore original form, button 4 and silica gel layer 5 have flexibility also can restore original form automatically, lamp body 8 is covered waterproof effect by silica gel layer 5 and button 4 good, and the light can directly penetrate silica gel layer 5 and button 4 and jet out.

In summary, the user can install the key switch at a proper position according to the requirement, and the lead wire is directly inserted on the main board without welding, so that the lamp is convenient to assemble and high in applicability, and the waterproof performance of the lamp body is good and is not easy to damage when the lamp is provided.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.

Claims

1. A waterproof key switch with a lamp is characterized in that: the novel solar cooker comprises a housing (1), wherein the housing (1) comprises a base (101) and a top cover (102) covered on the outer side of the base (101), a circuit board (2) is mounted on the base (101), a dome sheet (3) is fixed on the circuit board (2), a key hole (23) is formed in the housing (1), a key (4) used for pressing the dome sheet (3) is movably arranged in the key hole (23), a silica gel layer (5) is arranged between the key (4) and the dome sheet (3), the circuit board (2) is completely covered by the silica gel layer (5), a movable groove (6) used for the dome sheet (3) to move is formed in the bottom of the silica gel layer (5), a through hole (7) is formed in the dome sheet (3), a lamp body (8) is mounted on the circuit board (2) and located in the through hole (7), and both the key (4) and the silica gel layer (5) are transparent; a plurality of wiring holes (9) are formed in the side wall of the shell (1), and leads (10) of the circuit board (2) penetrate out of the wiring holes (9).

2. The waterproof key switch with a lamp as claimed in claim 1, wherein: the dome sheet is provided with a bubble point (24) for contact.

3. The waterproof key switch with a lamp as claimed in claim 1, wherein: an abutting block (11) is arranged in the movable groove (6), and the abutting block (11) is attached to the dome sheet (3).

4. A waterproof key switch with a lamp as defined in claim 3, wherein: the abutting block (11) is annular and is arranged around the mounting hole.

5. The waterproof key switch with a lamp as claimed in claim 4, wherein: the silica gel layer (5) is located in the middle of the abutting block (11) and is provided with a yielding groove (12), and the yielding groove (12) extends to the inside of the key (4).

6. The waterproof key switch with a lamp as claimed in claim 1, wherein: the key (4) has flexibility.

7. The waterproof key switch with a lamp as defined in claim 6, wherein: the silica gel layer (5) and the keys (4) are integrally formed.

8. The waterproof key switch with a lamp as claimed in claim 1, wherein: the base (101) is provided with a positioning block (13) in a protruding mode, and positioning grooves (14) matched with the positioning block (13) are formed in the circuit board (2) and the silica gel layer (5).

9. The waterproof key switch with a lamp as claimed in claim 1, wherein: rounded corners (15) are formed in the top ends of the keys (4).