CN216957830U

CN216957830U - High-temperature-resistant electronic membrane switch

Info

Publication number: CN216957830U
Application number: CN202123175226.XU
Authority: CN
Inventors: 焦译樊; 谭文俊
Original assignee: Chongqing Jiaweifeng Electronics Co ltd
Current assignee: Chongqing Jiaweifeng Electronics Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-07-12
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a high-temperature-resistant electronic thin-film switch which comprises a thin-film surface layer, wherein a plurality of grooves are formed in the top of the thin-film surface layer at equal intervals, convex blocks are arranged inside the grooves, connecting rods are arranged on two sides of the bottom of each convex block, a pair of notches are formed in the bottoms of the grooves, a mounting groove is formed in the thin-film surface layer, each connecting rod penetrates through each notch and extends to the inside of the corresponding mounting groove, a roller is arranged at the bottom of each connecting rod, a lower circuit layer is arranged at the bottom of each isolating layer, a trigger block is arranged at the center of each lower circuit layer, one end of each trigger block penetrates through each lower circuit layer and extends to the inside of the corresponding mounting groove, a trigger rod is arranged between the corresponding pair of connecting rods at the bottom of each convex block, one end of each trigger rod penetrates through each groove and extends to the inside of the corresponding mounting groove, and one end of each trigger block can be attached to each other. The utility model has the advantages of simple and reasonable structure, novel design, simple and convenient operation, effectively solves the problem of short service life of the membrane switch, and has higher practical value.

Description

High-temperature-resistant electronic membrane switch

Technical Field

The utility model relates to the technical field of membrane switches, in particular to a high-temperature-resistant electronic membrane switch.

Background

The membrane switch has the advantages of rigorous structure, attractive appearance and good sealing property, and can be widely applied to the fields of electronic communication and electronic measurement instruments, industrial control, medical equipment, the automobile industry, intelligent toys, household appliances and the like. At present membrane switch uses the shell fragment formula mostly, and the shell fragment is after repetitious usage, takes place the skew easily, and life is not long, and membrane switch during operation under special environment moreover, high temperature resistant effect is not good, influences the result of use. Therefore, we improve this and propose a high temperature resistant electronic membrane switch.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a high-temperature-resistant electronic thin-film switch, which comprises a thin-film surface layer, wherein a plurality of grooves are formed in the top of the thin-film surface layer at equal intervals, convex blocks are arranged inside the grooves, connecting rods are arranged on two sides of the bottom of each convex block, a pair of notches are formed in the bottom of each groove, a mounting groove is formed in the thin-film surface layer, each connecting rod penetrates through each notch and extends into the corresponding mounting groove, a roller is arranged at the bottom of each connecting rod, fixed blocks are arranged on two sides of the inner wall of each mounting groove, a wedge block is arranged on one side of each fixed block, each roller is connected with each wedge block in a sliding mode, an upper circuit layer is arranged at the bottom of the thin-film surface layer, an isolation layer is arranged at the bottom of the upper circuit layer, a lower circuit layer is arranged at the bottom of the isolation layer, a trigger block is arranged at the center of the lower circuit layer, and one end of the trigger block penetrates through the lower circuit layer, and extend to the inside of mounting groove, and it is a pair of seted up the fluting between the notch, the lug bottom is equipped with the trigger bar between a pair of connecting rod, the one end of trigger bar runs through the fluting to extend to the inside of mounting groove, just the one end of trigger bar can laminate with the trigger block each other, the bottom on circuit layer is equipped with the adhesive layer down.

As a preferred technical scheme of the utility model, the film surface layer is made of PET material, and the adhesive layer and the isolation layer are both high-temperature-resistant spacing adhesive tapes.

As a preferable technical scheme of the present invention, the bottom of the mounting groove is provided with a pair of sliding grooves, the sliding grooves are horizontally provided with sliding rails inside, the bottom of the wedge block is provided with a sliding block, and the sliding block is slidably mounted on the sliding rails.

As a preferred technical scheme of the utility model, a spring is arranged between the fixed block and the wedge block, two ends of the spring are respectively connected with the fixed block and the wedge block, and the wedge block is a trapezoidal wedge block.

As a preferable technical scheme of the utility model, the connecting rod is provided with a limiting block inside the mounting groove.

As a preferable technical scheme of the utility model, an outgoing line is arranged between the lower circuit layer and the adhesive layer, and one end of the outgoing line is connected with a DuPont plug.

The utility model has the beneficial effects that:

1. the high-temperature-resistant electronic membrane switch can enable the bump to move up and down through the matching use of the connecting rod, the roller, the wedge block and the spring, so that the contact between the trigger rod and the trigger block is facilitated, meanwhile, the position of the wedge block can be restored under the action of the spring, and then the friction force of the wedge block in the sliding groove is reduced through the matching use of the sliding block and the sliding rail, so that the service life of the wedge block is prolonged, and the connecting rod can be prevented from being separated from the notch through the arrangement of the limiting block to influence the use of the membrane switch;

2. according to the high-temperature-resistant electronic thin-film switch, the thin-film surface layer is made of the PET material, so that the overall high-temperature-resistant effect of the thin-film switch can be increased, the usability of the thin-film switch in a special high-temperature environment is improved, and the adhesive layer and the isolation layer are made of the high-temperature-resistant interval adhesive tape, so that the adhesion between the upper circuit layer and the lower circuit layer and the adhesion of the overall thin-film switch can be facilitated, and meanwhile, the high-temperature-resistant effect of the thin-film switch can be integrally increased; the utility model has the advantages of simple and reasonable structure, novel design, simple and convenient operation, effective solution to the problem of short service life of the membrane switch, and high practical value.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a plan cross-sectional view of a high temperature resistant electronic membrane switch of the present invention;

FIG. 2 is a perspective sectional view of a part of the structure of a high temperature resistant electronic membrane switch of the present invention;

fig. 3 is a perspective view of a high temperature resistant electronic membrane switch of the present invention.

In the figure: 1. a film facing; 2. a groove; 3. a bump; 4. a notch; 5. a connecting rod; 6. a roller; 7. a limiting block; 8. mounting grooves; 9. a fixed block; 10. wedge blocks; 11. a spring; 12. a chute; 13. a slide rail; 14. a slider; 15. grooving; 16. a trigger lever; 17. an upper circuit layer; 18. an isolation layer; 19. a lower circuit layer; 20. a trigger block; 21. an adhesive layer; 22. an outgoing line; 23. a dupont plug.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-3, the high temperature resistant electronic thin film switch of the present invention comprises a thin film surface layer 1, a plurality of grooves 2 are equidistantly formed on the top of the thin film surface layer 1, a protrusion 3 is mounted inside each groove 2, a connecting rod 5 is mounted on each of two sides of the bottom of each protrusion 3, a pair of notches 4 is formed on the bottom of each groove 2, a mounting groove 8 is formed inside the thin film surface layer 1, each connecting rod 5 penetrates through each notch 4 and extends into the mounting groove 8, a roller 6 is mounted at the bottom of each connecting rod 5, fixing blocks 9 are mounted on each of two sides of the inner wall of each mounting groove 8, a wedge 10 is mounted on one side of each fixing block 9, each roller 6 is slidably connected with each wedge 10, an upper circuit layer 17 is mounted at the bottom of the thin film surface layer 1, an isolation layer 18 is mounted at the bottom of the upper circuit layer 17, a lower circuit layer 19 is mounted at the bottom of the isolation layer 18, and a trigger block 20 is mounted at the center of the lower circuit layer 19, one end of the trigger block 20 penetrates through the lower circuit layer 19 and extends to the inside of the mounting groove 8, a slot 15 is formed between the pair of notches 4, a trigger rod 16 is arranged at the bottom of the bump 3 between the pair of connecting rods 5, one end of the trigger rod 16 penetrates through the slot 15 and extends to the inside of the mounting groove 8, one end of the trigger rod 16 can be attached to the trigger block 20, and an adhesive layer 21 is arranged at the bottom of the lower circuit layer 19.

Wherein, film surface course 1 is the PET material, and adhesive layer 21 and isolation layer 18 are high temperature resistant interval sticky tape, through the setting of film surface course 1, adhesive layer 21 and isolation layer 18 material, improvement film switch's that can be fine high temperature resistance nature.

Wherein, a pair of spout 12 has been seted up to the bottom of mounting groove 8, and the inside horizontal installation of spout 12 has slide rail 13, and slider 14 is installed to the bottom of voussoir 10, and slider 14 slidable mounting uses through the cooperation of slider 14 and slide rail 13 on slide rail 13, can reduce the frictional force between voussoir 10 and the spout 12 to improve the life of voussoir 10.

Wherein, install spring 11 between fixed block 9 and the voussoir 10, spring 11's both ends respectively with fixed block 9 and voussoir 10 interconnect, and voussoir 10 is trapezoidal voussoir, through setting up voussoir 10 into trapezoidal voussoir, makes things convenient for the lift of lug 3.

Wherein, connecting rod 5 is equipped with stopper 7 in the inside that is located mounting groove 8, through stopper 7's setting, can prevent that connecting rod 5 from breaking away from notch 4.

Wherein, an outgoing line 22 is arranged between the lower circuit layer 19 and the adhesive layer 21, and one end of the outgoing line 22 is connected with a DuPont plug 23.

The working principle is as follows: when the film switch is used, firstly, the bump 3 is pressed, so that the connecting rod at the bottom of the bump 3 moves on the wedge block 10 under the action of the roller 6, and then the bump 3 moves up and down, when the wedge block 10 slides on the roller 6, the wedge block 10 can move towards the direction of the fixed block 9 under the action of the spring 11, meanwhile, the bottom of the wedge block 10 is provided with the slider 14, when the wedge block 10 moves towards the direction of the fixed block 9 under the action of the spring 11, the slider 14 also moves on the slide rail 13, so that the friction force between the wedge block 10 and the chute 12 is reduced, when the bump 3 moves downwards, the trigger rod 16 at the bottom of the bump 3 also moves downwards, so that the bottom of the trigger rod 16 can contact the trigger block 20, and then the switching of the film switch can be realized, meanwhile, in order to ensure the high temperature resistance of the whole film switch, the material of the film surface layer 1 is a PET material, and an isolation layer is arranged between the upper circuit layer 17 and the lower circuit layer 19, meanwhile, the bottom of the lower circuit layer 19 is provided with a layer of adhesive layer 21, and the adhesive layer 21 and the isolation layer 18 are both high-temperature-resistant spacer tapes, so that the overall high-temperature resistance of the membrane switch is ensured.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high temperature resistant electron membrane switch, includes film surface course (1), its characterized in that, a plurality of recesses (2) have been seted up to the top equidistance of film surface course (1), the internally mounted of recess (2) has lug (3), connecting rod (5) are all installed to the bottom both sides of lug (3), a pair of notch (4) have been seted up to the bottom of recess (2), and mounting groove (8) have been seted up to the inside of film surface course (1), connecting rod (5) run through notch (4) to extend to the inside of mounting groove (8), and gyro wheel (6) are installed to the bottom of connecting rod (5), fixed block (9) are all installed to the inner wall both sides of mounting groove (8), voussoir (10) are installed to one side of fixed block (9), gyro wheel (6) and voussoir (10) sliding connection, circuit layer (17) are installed to the bottom of film surface course (1), isolation layer (18) are installed to the bottom of going up circuit layer (17), circuit layer (19) down are installed to the bottom of isolation layer (18), the center department of circuit layer (19) down installs trigger block (20), the one end of trigger block (20) runs through circuit layer (19) down to extend to the inside of mounting groove (8), and it is a pair of fluting (15) have been seted up between notch (4), lug (3) bottom is equipped with trigger bar (16) between a pair of connecting rod (5), fluting (15) are run through to the one end of trigger bar (16), and extend to the inside of mounting groove (8), just the one end of trigger bar (16) can laminate with trigger block (20) each other, the bottom of circuit layer (19) is equipped with adhesive layer (21) down.

2. The high-temperature-resistant electronic membrane switch according to claim 1, wherein the membrane surface layer (1) is made of PET, and the adhesive layer (21) and the isolation layer (18) are both high-temperature-resistant spacer tapes.

3. The high-temperature-resistant electronic membrane switch according to claim 1, wherein a pair of sliding grooves (12) are formed at the bottom of the mounting groove (8), a sliding rail (13) is horizontally mounted inside the sliding grooves (12), a sliding block (14) is mounted at the bottom of the wedge block (10), and the sliding block (14) is slidably mounted on the sliding rail (13).

4. The high-temperature-resistant electronic membrane switch according to claim 1, wherein a spring (11) is installed between the fixed block (9) and the wedge block (10), two ends of the spring (11) are respectively connected with the fixed block (9) and the wedge block (10), and the wedge block (10) is a trapezoidal wedge block.

5. The high temperature resistant electronic membrane switch according to claim 1, wherein the connecting rod (5) is provided with a stopper (7) inside the mounting groove (8).

6. The high-temperature-resistant electronic membrane switch is characterized in that a lead wire (22) is arranged between the lower circuit layer (19) and the adhesive layer (21), and one end of the lead wire (22) is connected with a DuPont plug (23).