CN220420235U

CN220420235U - Integrated trigger structure

Info

Publication number: CN220420235U
Application number: CN202321926008.1U
Authority: CN
Inventors: 鲁业斌; 李小飞
Original assignee: Guangzhou Zhujiang Aimosen Digital Musical Instrument Co ltd
Current assignee: Guangzhou Zhujiang Aimosen Digital Musical Instrument Co ltd
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2024-01-30
Anticipated expiration: 2033-07-20

Abstract

The utility model relates to the technical field of trigger structures, and particularly discloses an integrated trigger structure, wherein an elastic trigger rod capable of being pressed downwards extends obliquely upwards at the upper end of a mounting frame, the elastic trigger rod comprises a rebound part, a connecting part and a pressing part which are sequentially connected, the rebound part is connected with the mounting frame, and a trigger piece is connected with the lower end of the pressing part; the circuit board is arranged on the mounting frame, the photoelectric signal trigger unit is arranged on the circuit board and is electrically connected with the circuit board, the photoelectric signal trigger unit is positioned below the trigger piece, and the trigger piece moves downwards to trigger the photoelectric signal trigger unit; according to the integrated triggering structure provided by the utility model, the elastic triggering rod and the mounting frame are of an integrated forming structure, the elastic triggering rod can be restored to the initial position under the action of the rebound part, the mounting of auxiliary accessories such as the spring piece, the screw and the like is reduced, the assembly flow of the components during application is effectively reduced, and the integrated triggering structure has the advantages of simple structure and convenience in assembly.

Description

Integrated trigger structure

Technical Field

The utility model relates to the technical field of trigger structures, in particular to an integrated trigger structure.

Background

The piano, the electronic organ or the electric piano is a keyboard playing musical instrument, and the corresponding photoelectric signal triggering unit is triggered by pressing the keys on the keyboard, so that the photoelectric signal triggering unit completes signal acquisition and then emits corresponding sound.

The prior art discloses a portable piano keyboard exerciser, which comprises a first piano keyboard, a second piano keyboard and a third piano keyboard, wherein the first piano keyboard, the second piano keyboard and the third piano keyboard are connected through keyboard splicing seats; the piano keyboard comprises a first piano keyboard, a second piano keyboard and a third piano keyboard, keys are arranged on the first piano keyboard, the second piano keyboard and the third piano keyboard, reset spring pieces are arranged at the lower parts of the keys corresponding to the inner parts of the first piano keyboard, and elastic fine tuning screws are arranged at the lower parts of the reset spring pieces.

According to the disclosure of the portable piano keyboard exerciser, in the whole assembly process, the reset spring piece is required to be installed by means of auxiliary accessories such as screws, elastic fine tuning screws and the like, and the problems of complicated assembly and complex structure exist.

Disclosure of Invention

Aiming at the problems of complicated assembly and complex structure, the utility model provides an integrated triggering structure, wherein an elastic triggering rod and an installation frame are of an integrated forming structure, the elastic triggering rod can be restored to an initial position under the action of a rebound part, the installation of auxiliary accessories such as a spring piece, a screw and the like is reduced, the assembly flow of parts during application is effectively reduced, and the integrated triggering structure has the advantages of simple structure and convenience in assembly.

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

an integrated triggering structure comprises a mounting frame, a circuit board and a photoelectric signal triggering unit;

the upper end of the mounting frame is obliquely extended upwards to form an elastic trigger rod capable of being pressed downwards, the elastic trigger rod comprises a rebound part, a connecting part and a pressing part which are sequentially connected, the rebound part is connected with the mounting frame, and the lower end of the pressing part is connected with a trigger piece;

the circuit board is installed on the installation frame, the photoelectric signal trigger unit is arranged on the circuit board and is electrically connected with the circuit board, the photoelectric signal trigger unit is located below the trigger piece, and the trigger piece moves downwards to trigger the photoelectric signal trigger unit.

In some embodiments, the resilient portion is an arcuate resilient arm, one end of the resilient portion is connected to the mounting frame, and the other end of the resilient portion is connected to the connecting portion.

In some embodiments, the resilient portion is made of POM, has excellent elasticity, can function like a spring, and has good dimensional stability, high tensile strength, fatigue resistance and creep resistance.

In some embodiments, the photoelectric signal triggering unit comprises a photoelectric transmitting part and a photoelectric receiving part which are oppositely arranged, the triggering piece moves downwards between the photoelectric transmitting part and the photoelectric receiving part to trigger the photoelectric signal triggering unit, so that the noncontact triggering is realized, the physical contact abrasion problem is avoided, and the later maintenance is reduced.

In some embodiments, the photoemission section comprises a photoemitter, and the photoreceiving section comprises a first photoreceiving and a second photoreceiving, the first photoreceiving and the second photoreceiving being arranged side by side;

the photoelectric transmitter is arranged at the center of the first photoelectric receiver and the second photoelectric receiver, and one photoelectric transmitter corresponds to a photoelectric signal triggering unit formed by the two photoelectric receivers, so that the effect of dynamic reaction equalization is achieved, non-contact triggering is realized, and the later maintenance cost is reduced.

In some embodiments, the mounting heights of the photoemitter, the first photoemitter, and the second photoemitter are the same;

the lower end of the trigger piece is inclined, so that the effect of triggering the first photoelectric receiver and the second photoelectric receiver in sequence is achieved.

In some embodiments, the lower end of the trigger piece is provided with a step structure, so that the trigger point position is ensured to be kept in a horizontal state as much as possible when the trigger piece performs circular motion, and the trigger point position is maximally and rapidly close to the photoelectric signal trigger unit in a large area, so that the trigger response error of the photoelectric signal trigger unit is ensured.

In some embodiments, the mounting frame is provided with a strip-shaped opening at a position below the elastic triggering rod, and the elastic triggering rod passes through the strip-shaped opening upwards or downwards to limit the position change of the elastic triggering rod, and meanwhile, the triggering of the photoelectric signal can be performed better.

In some embodiments, the circuit board is mounted at the lower end of the mounting frame, a triggering concave hole is formed in the circuit board, the photoelectric emission part and the photoelectric receiving part are respectively located at two opposite sides of the triggering concave hole, and the triggering piece moves downwards into the triggering concave hole to trigger the photoelectric signal triggering unit.

In some embodiments, a positioning mounting hole is formed at the edge of the mounting frame, so that the mounting frame can be positioned and mounted conveniently, and the integrated triggering structure is adapted to different application scenes.

According to the integrated triggering structure provided by the utility model, the elastic triggering rod and the mounting frame are of an integrated forming structure, the elastic triggering rod can be restored to the initial position under the action of the rebound part, the mounting of auxiliary accessories such as the spring piece and the screw is reduced, the assembly flow of the parts in application is effectively reduced, and the integrated triggering structure has the advantages of simple structure and convenience in assembly.

Drawings

FIG. 1 is a schematic diagram of an integrated triggering structure provided in an embodiment of the present utility model;

FIG. 2 is a side view of an integrated trigger structure provided in an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a circuit board according to an embodiment of the present utility model;

1-mounting a frame; 11-an elastic trigger lever; 111-rebound part; 112-a connection; 113-a pressing part; 12-an elongated opening; 13-positioning the mounting holes;

2-a circuit board; 21-triggering a concave hole;

a 3-photoelectric signal trigger unit; 31-a photoemission section; 311-photoemitters; a 32-photoelectric receiving portion; 321-a first photoelectric receiver; 322-a second photo receiver;

4-triggering piece; 41-step structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The described embodiments are some, but not all, embodiments of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

For example, an integrated trigger structure includes a mounting frame, a circuit board, and an optoelectronic signal trigger unit;

The integrated trigger structure that this embodiment provided is integrated into one piece structure between elasticity trigger lever and the installing frame, and elasticity trigger lever can resume initial position under the effect of resilience portion, reduces the installation of auxiliary parts such as spring leaf and screw, and the equipment flow to the part when effectively reducing the application has simple structure and equipment convenient advantage.

Embodiment one:

as shown in fig. 1 and 2, an integrated trigger structure is applicable to occasions requiring trigger signal control, and comprises a mounting frame 1, a circuit board 2 and a photoelectric signal trigger unit 3, wherein the mounting frame 1 can be used for mounting with an external structure, and when the integrated trigger structure is applied to an electronic organ or an electric piano, the mounting frame 1 can be mounted on a frame of the electronic organ or the electric piano so as to facilitate the use of the integrated trigger structure.

The upper end of the installation frame 1 is obliquely extended upwards to form an elastic trigger rod 11 which can be pressed downwards, the elastic trigger rod 11 has elastic performance, the elastic trigger rod 11 moves downwards under the action of external pressing, and when the action of external pressing disappears, the elastic trigger rod 11 can be restored to the initial position under the action of self elastic force.

The elastic trigger lever 11 includes a rebound part 111, a connection part 112 and a pressing part 113 connected in sequence, the rebound part 111 is connected with the mounting frame 1, the lower end of the pressing part 113 is connected with the trigger piece 4, namely, the initial part extending obliquely upwards from the upper end of the mounting frame 1 is the rebound part 111, the middle part is the connection part 112, the end part is the pressing part 113, the heights of the rebound part 111, the connection part 112 and the pressing part 113 are gradually increased, when the pressing part 113 is pressed by the outside, the effect of downward movement can be generated by taking the connection part of the rebound part 111 and the mounting frame 1 as an origin, and the trigger piece 4 is connected with the lower end of the pressing part 113, so that the trigger piece 4 can move downwards along with the pressing part 113; since the resilient portion 111 has an elastic force, when the pressing portion 113 moves downward, a certain pulling action is caused on the resilient portion 111, and when the external pressing action is eliminated, the resilient portion 111 returns to the initial state due to its elastic force, and in the process, the resilient portion 111 drives the pressing portion 113 and the trigger piece 4 to return to the initial position.

The circuit board 2 is installed on the installation frame 1, for example, be formed with the slip mounting groove that is used for spacing to the circuit board 2 at the lower extreme of installation frame 1, with circuit board 2 slidable mounting in the slip mounting groove, can accomplish the installation to circuit board 2, of course, also can adopt screw connection's mode, make circuit board 2 and installation frame 1 carry out stable connection through screw connection's mode, photoelectric signal trigger unit 3 sets up on circuit board 2 and with circuit board 2 electric connection, photoelectric signal trigger unit 3 is located the below of trigger piece 4, trigger piece 4 moves down and triggers photoelectric signal trigger unit 3.

In one example, the integrated triggering structure provided in the present application is applied to an electronic organ, where a plurality of elastic triggering rods 11 capable of being pressed downward extend upward at intervals on the upper end of the mounting frame 1 of the integrated triggering structure, the number of the elastic triggering rods 11 is the same as that of keys of the electronic organ, each key is mounted on each elastic triggering rod 11, and a pressing portion of the key is correspondingly mounted on the pressing portion 113 of the elastic triggering rod 11, so that when the key is pressed, the pressing portion 113 of the elastic triggering rod 11 is correspondingly pressed, and when the pressing portion 113 of the elastic triggering rod 11 is pressed by an external pressing action, the connection point of the rebound portion 111 and the mounting frame 1 is used as an origin, thereby driving the triggering piece 4 to move downward, and the triggering piece 4 moves the photoelectric signal triggering unit 3 on the triggering circuit board 2 downward, on the electronic circuit design through the circuit board 2, when the photoelectric signal triggering unit 3 triggers, a sound corresponding to the key can be emitted.

It should be noted that, for the installation connection design of the key and the elastic triggering lever 11, a positioning installation groove can be formed at the lower end of the key, so that the positioning installation groove is sleeved at the upper end of the elastic triggering lever 11, or the installation stability of the key and the elastic triggering lever 11 can be determined by other manners similar to the snap-in grooves.

The application provides an integration trigger structure, be integrated into one piece shaping structure between elasticity trigger lever 11 and the mounting frame 1, and elasticity trigger lever 11 can resume initial position under the effect of resilience portion 111, reduces the installation of auxiliary parts such as spring leaf and screw, and the equipment flow to the part when effectively reducing the application has simple structure and equipment convenient advantage.

Embodiment two:

the rebound part 111 is an arc-shaped elastic arm, one end of the rebound part 111 is connected to the mounting frame 1, and the other end of the rebound part 111 is connected to the connecting part 112.

Referring to fig. 1 and 2, the resilient portion 111 is designed to have an arc structure, and when the pressing portion 113 is pressed by the outside, the resilient portion 111 will be pulled to a certain extent, so that the resilient portion 111 is deformed, which is beneficial to driving the pressing portion 113 and the trigger piece 4 to restore to the initial state by means of the resilient portion 111 under the condition of restoring its own state.

In some examples, the resilient portion 111 is made of POM material, and the POM material has excellent elasticity, can play a role similar to a spring, has good dimensional stability, high tensile strength, and fatigue and creep resistance, and the resilient portion 111 made of POM material is applied to the integrated trigger structure provided in this example, so that the resilient effect of the resilient portion 111 is beneficial to restoring the pressing portion 113 and the trigger piece 4 to an initial state, and can also ensure the use stability of the resilient portion 111, thereby improving the use stability and service life of the integrated trigger structure.

Embodiment III:

referring to fig. 2 and 3, the photoelectric signal trigger unit 3 includes a photoelectric transmitting portion 31 and a photoelectric receiving portion 32 which are disposed opposite to each other, and the trigger piece 4 moves down between the photoelectric transmitting portion 31 and the photoelectric receiving portion 32 to trigger the photoelectric signal trigger unit 3, thereby realizing contactless triggering, avoiding the problem of physical contact abrasion, and reducing the post-maintenance.

The trigger piece 4 is located above the photoelectric signal trigger unit 3 and above between the photoelectric transmitting portion 31 and the photoelectric receiving portion 32, so that when the pressing portion 113 is pressed by the outside to drive the trigger piece 4 to move downward, the trigger piece 4 moves downward between the photoelectric transmitting portion 31 and the photoelectric receiving portion 32, thereby triggering the photoelectric signal trigger unit 3.

In one example, the photo-emission portion 31 includes a photo-emitter 311, and the photo-reception portion 32 includes a first photo-receiver 321 and a second photo-receiver 322, the first photo-receiver 321 and the second photo-receiver 322 being disposed side by side; the photoelectric signal trigger unit 3 formed by the photoelectric transmitter 311 corresponding to the two photoelectric receivers is adopted in the middle position of the photoelectric transmitter 311 relative to the first photoelectric receiver 321 and the second photoelectric receiver 322, so that the effect of dynamic reaction equalization is achieved, the non-contact triggering is realized, and the later maintenance cost is reduced.

The photoelectric emitter 311, the first photoelectric receiver 321 and the second photoelectric receiver 322 are directly welded on the circuit board 2, and establish an electrical connection relationship with the circuit board 2, so as to solve the problem of optical interference, and when the photoelectric emitter 311, the first photoelectric receiver 321 and the second photoelectric receiver 322 are installed, the position of the photoelectric emitter 311 of invisible light is required to be ensured to be in the same direction, and signal triggering is avoided.

The mounting heights of the photo-emitter 311, the first photo-receiver 321, and the second photo-receiver 322 are the same; the lower end of the trigger piece 4 is inclined, and the effect of triggering the first photoelectric receiver 321 and the second photoelectric receiver 322 in sequence is achieved.

In some examples, the lower end of the trigger piece 4 is formed with a step structure 41, so that when the trigger piece 4 performs circular motion by taking the connection position of the rebound part 111 and the mounting frame 1 as an original point, the trigger point is kept in a horizontal state as much as possible, and is rapidly and widely close to the photoelectric signal trigger unit 3 to the greatest extent, and the trigger response error of the photoelectric signal trigger unit 3 is ensured.

In the concrete application process, when the pressing part 113 is pressed by the outside, the trigger piece 4 is driven to move downwards, the lower end of the trigger piece 4 sequentially passes through the first photoelectric receiver 321 and the second photoelectric receiver 322 to complete the triggering process, under the condition that the external pressing effect disappears, the rebound part 111 also drives the trigger piece 4 to do return motion in the process of recovering the state of the rebound part 111, the design of an integrated trigger structure is realized by utilizing the deformation of the rebound part 111 and the process of recovering the state of the rebound part, the installation of auxiliary accessories such as a spring piece, a screw and the like is reduced, the assembly flow of the parts in the application process is effectively reduced, and the device has the advantages of simple structure and convenience in assembly.

Embodiment four:

referring to fig. 1, an elongated opening 12 is formed in the mounting frame 1 at a position below the elastic triggering lever 11, and the elastic triggering lever 11 passes through the elongated opening 12 upward or downward, so that the position change of the elastic triggering lever 11 is limited, and meanwhile, the triggering of the photoelectric signal can be performed better.

Referring to fig. 3, the circuit board 2 is mounted at the lower end of the mounting frame 1, a trigger concave hole 21 is formed in the circuit board 2, the photoelectric transmitting portion 31 and the photoelectric receiving portion 32 are respectively located at two opposite sides of the trigger concave hole 21, the trigger piece 4 moves down into the trigger concave hole 21, and the photoelectric signal trigger unit 3 is triggered.

The design of the trigger concave hole 21 is arranged on the circuit board 2, and the photoelectric emitting part 31 and the photoelectric receiving part 32 are respectively arranged on the two opposite sides of the trigger concave hole 21, so that the effect of the installation consistency can be realized, and the stability of the use process is improved. For example, a plurality of trigger concave holes 21 are positioned and arranged on the circuit board 2 in parallel, the sizes of the trigger concave holes 21 are consistent, and the trigger concave holes have an alignment relationship, so that the positions of the photoelectric emitter 311, the first photoelectric receiver 321 and the second photoelectric receiver 322 are positioned on two opposite sides of the trigger concave holes 21, and the consistent installation effect on the plurality of photoelectric signal trigger units 3 can be realized.

The edge of the installation frame 1 is provided with a positioning installation hole 13 which is convenient for positioning and installing the installation frame 1, so that the integrated triggering structure is adapted to different application scenes.

The integrated triggering structure provided in the example adopts an integrated injection molding mode for the mounting frame and the elastic triggering rod part, has the advantages of light volume and minimized auxiliary materials, can be used in triggering scenes of keyboard musical instruments and percussion musical instruments, and can be also used in a multipoint triggering scene of small-sized automatic equipment and a decelerating and stopping triggering scene of a moving structure, for example, the triggering response time of a photoelectric signal triggering unit can be changed by adjusting the interval between a first photoelectric receiver and a second photoelectric receiver and the inclined state of the lower end of a triggering piece, and after the triggering of the photoelectric signal triggering unit is realized in the multipoint triggering scene of the small-sized automatic equipment, the triggering response time of the photoelectric signal triggering unit can be automatically responded; in the scene of decelerating and stopping triggering of the moving structure, the control effect of automatic decelerating or stopping of the moving structure after the triggering of the photoelectric signal triggering unit can be realized through the triggering mode of the integrated triggering structure.

In summary, according to the integrated triggering structure provided by the utility model, the elastic triggering rod and the mounting frame are of an integrated forming structure, the elastic triggering rod can be restored to the initial position under the action of the rebound part, the mounting of auxiliary accessories such as the spring piece and the screw is reduced, the assembly flow of the components during application is effectively reduced, and the integrated triggering structure has the advantages of simple structure and convenience in assembly.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. Such as "horizontal" simply means that its direction is more horizontal than "vertical", it is not meant to indicate that the structure must be perfectly horizontal, but may be slightly inclined.

Claims

1. An integrated triggering structure is characterized by comprising a mounting frame (1), a circuit board (2) and a photoelectric signal triggering unit (3);

the upper end of the mounting frame (1) is obliquely extended upwards to form an elastic trigger rod (11) capable of being pressed downwards, the elastic trigger rod (11) comprises a rebound part (111), a connecting part (112) and a pressing part (113) which are sequentially connected, the rebound part (111) is connected with the mounting frame (1), and the lower end of the pressing part (113) is connected with a trigger piece (4);

the circuit board (2) is installed on the installation frame (1), the photoelectric signal trigger unit (3) is arranged on the circuit board (2) and is electrically connected with the circuit board (2), the photoelectric signal trigger unit (3) is located below the trigger piece (4), and the trigger piece (4) moves downwards to trigger the photoelectric signal trigger unit (3).

2. The integrated triggering structure according to claim 1, wherein the rebound part (111) is an arc-shaped elastic arm, one end of the rebound part (111) is connected with the mounting frame (1), and the other end of the rebound part (111) is connected with the connecting part (112).

3. The integrated trigger structure according to claim 2, wherein the resilient portion (111) is made of POM material.

4. The integrated triggering structure according to claim 1, wherein the photoelectric signal triggering unit (3) comprises a photoelectric transmitting portion (31) and a photoelectric receiving portion (32) which are oppositely arranged, and the triggering piece (4) moves downwards between the photoelectric transmitting portion (31) and the photoelectric receiving portion (32) to trigger the photoelectric signal triggering unit (3).

5. The integrated triggering structure according to claim 4, wherein the photo-emission portion (31) comprises a photo-emitter (311), the photo-receiving portion (32) comprises a first photo-receiver (321) and a second photo-receiver (322), the first and second photo-receivers (321, 322) being arranged side-by-side;

-a centered position of the photo-emitter (311) with respect to the first photo-receiver (321) and the second photo-receiver (322).

6. The integrated triggering structure according to claim 5, wherein the mounting height of the photo emitter (311), the first photo receiver (321) and the second photo receiver (322) is the same;

the lower end of the trigger piece (4) is inclined.

7. The integrated trigger structure according to claim 6, characterized in that the lower end of the trigger piece (4) is formed with a step structure (41).

8. The integrated triggering structure according to claim 4, wherein the mounting frame (1) is provided with an elongated opening (12) at a position below the elastic triggering rod (11), the elastic triggering rod (11) passes through the strip-shaped opening (12) upwards or downwards.

9. The integrated triggering structure according to claim 8, wherein the circuit board (2) is mounted at the lower end of the mounting frame (1), the circuit board (2) is provided with a triggering concave hole (21), the photoelectric emitting part (31) and the photoelectric receiving part (32) are respectively located at two opposite sides of the triggering concave hole (21), and the triggering piece (4) moves downwards into the triggering concave hole (21) to trigger the photoelectric signal triggering unit (3).

10. The integrated triggering structure according to any one of claims 1-9, characterized in that a positioning mounting hole (13) is opened at the edge of the mounting frame (1).