WO2017045164A1

WO2017045164A1 - Button structure of switch and electronic whistle

Info

Publication number: WO2017045164A1
Application number: PCT/CN2015/089779
Authority: WO
Inventors: 尚平
Original assignee: 尚平
Priority date: 2015-09-16
Filing date: 2015-09-16
Publication date: 2017-03-23

Abstract

An electronic whistle comprising a housing (100) and a switch (410) provided on the housing (100). The electronic whistle also comprises a protective apparatus provided on the housing (100) and used for protecting the switch (410). The electronic whistle is provided with the protective apparatus on the housing to protect the switch on the housing, thus preventing the switch from being damaged by excessive force during use.

Description

Button structure and electronic whistle of a switch

[Technical Field]

The present invention relates to the field of whistle and, more particularly, to a button structure and an electronic whistle of a switch.

【Background technique】

At present, there are various whistle on the market, such as outdoor life-saving whistle, training whistle, etc., which have only one function, that is, only sound can be emitted, and in the night or in the wild, the sound can not be judged quickly and accurately.

To this end, the Chinese Patent No. CN203147305U, published on the Japanese Patent Publication No. 2013.08.21, discloses a whistle lamp, which provides a kind of emergency lighting and can also send a voice distress signal and send location information to the outside world. The whistle lamp comprises a lamp body, the lamp body is provided with a battery cavity, a bulb and a switch; the bulb is covered with a tubular lampshade; the lampshade is inserted with a tubular whistle at one end of the lamp, and the lamp body is also installed There are positioning chips. The whistle is connected with a whistle handle having the same diameter as the lampshade, and the lamp cover is provided with a sleeve having a diameter smaller than the diameter of the lamp cover at one end away from the bulb, and the sleeve is provided with a protrusion, the whistle handle The inner wall can be engaged with the protrusion on the sleeve.

The existing switches are generally exposed outside the casing through the switch holes on the casing, which directly presses the switch, and the switch is easily damaged when the pressing force is large.

[Summary of the Invention]

The technical problem to be solved by the present invention is to provide an electronic whistle that is not easy to damage the switch when the pressing switch is excessively strong.

The object of the present invention is achieved by the following technical solution: an electronic whistle comprising a housing and a switch disposed on the housing, the electronic whistle further comprising a protection device disposed on the housing The protection device of the switch.

Preferably, the electronic whistle further includes a button for triggering the switch, the protection device includes a resilient arm disposed on the button, and the elastic arm is fixedly connected to the housing The elastic arm generates a shape in the same direction as the force when the button is subjected to a pressing force The change causes the button to trigger the switch. The electronic whistle setting button cooperates with the switch, and triggers the switch through the button. The elastic arm on the button is fixedly connected with the housing. When the button is pressed, the button applies a force to the elastic arm so that the elastic arm generates the same direction as the pressing direction. Deformation and the application of force to the switch to trigger the switch, thereby reducing the force acting on the switch compared to the force applied to press the button on the switch, thus protecting the switch. When the pressing force of the button is too large, the elastic arm shares the force to prevent the switch from being damaged. Moreover, the elastic arm structure on the button is simple and easy to produce. In addition, when the elastic arm is deformed by the pressing force, it has a reaction force opposite to the pressing direction, that is, has a rebounding effect, thereby reducing the supporting force of the switch on the button, and the elastic arm and the switch rebound with the button. effect. This also protects the switch from erroneous operation.

Preferably, the root of the elastic arm is integrally provided with the button, and the end of the elastic arm is fixedly connected to the housing, and the root and the end are respectively located at both ends of the elastic arm. The root of the elastic arm and the button are integrally arranged, so that the strength between the elastic arm and the button is large; in production, the elastic arm and the button are integrally formed, which is easy to produce. Moreover, the end of the elastic arm is fixedly connected to the housing, and the root and the end are respectively located at both ends of the elastic arm, so that the elastic effect of the elastic arm is better.

Preferably, the end portion is provided with a fixing hole, and the housing is provided with a fixing post for inserting into the fixing hole, and the top of the fixing column is provided with a limiting block. The fixing hole is aligned with the fixing column, and the end portion is pressed to insert the fixing column into the fixing hole. The top of the fixing column is provided with a limiting block. The top of the fixing column is larger than the fixing hole, and the fixing hole is deformed when the end portion is pressed, and the fixing hole is changed. After the fixing column is inserted into the fixing hole, the fixing hole is restored to the original size, so that the limiting block at the top of the fixing column fixes the end of the fixed elastic arm to prevent the engagement between the end portion and the fixing column. This is a specific way of fixing the fixing post and the fixing hole limit. Of course, the fixing post can be inserted into the fixing hole, and the fixing post can be bonded to the end by glue; or inserted into the fixing hole. The hot-melt of the fixed column makes the fixed column and the end fixed connection more secure.

Preferably, the end portion has a cross section larger than a cross section of the elastic arm at a middle portion between the end portion and the root portion, the root portion having a cross section larger than the elastic arm between the end portion and the root portion The cross section of the middle. The cross-sectional size of the end of the elastic arm and the root are larger than the size of the middle portion, not only the end The strength of the portion and the root portion makes the end portion and the casing fixedly connected to each other and the root portion and the button are integrally provided with high strength; and the elasticity of the middle portion of the elastic arm is increased, so that the elastic arm has better elasticity.

Preferably, the housing is provided with a limiting edge for limiting the button, and the button is provided with a convex edge that cooperates with the limiting edge. When no external force acts on the button, the elastic member has an elastic force from the housing to the button direction, and the limiting edge on the housing and the protruding edge on the button are in close contact with each other, thereby limiting the edge and the convex edge. In interaction, the elastic force of the elastic member acts on the limit edge, so that the limit edge acts as a limit on the button, so that the button is stably fixed on the housing.

Preferably, the housing is provided with a placement slot for placing the button, the housing is provided with a sinking surface around the placement slot, and the electronic whistle further includes a fixing surface on the sinker surface. The outer cover covers the elastic arm when the outer cover is fixed on the sinking surface, and the outer cover is provided with a escape hole for avoiding the button. When the outer cover of the electronic whistle of the invention is fixed on the casing, the elastic arm is covered, thereby protecting the elastic arm and preventing the elastic arm from being exposed and damaged. Moreover, after the outer cover covers the elastic arm, the elastic arm is limited to prevent the elastic arm from being deformed by excessive force and being damaged.

Preferably, the electronic whistle further includes a button for triggering the switch, the protection device further includes a limiting ring disposed on an inner surface of the button, the housing corresponding to the The switch is provided with a switch hole, and the limit ring is engaged with a side wall around the switch hole, and when the button is subjected to a pressing force, the button is deformed to trigger the switch. The limiting ring on the inner surface of the button is fitted to the housing, and the limiting ring is arranged around the corresponding switch hole of the button. When the button is pressed, the force acts on the limiting ring, and the limiting ring is pressed to the upper limit of the housing. Pressing the button increases the force to press the button, so that the button corresponding to the position of the switch hole generates a deformation trigger switch, so that when the button is pressed, the limit ring shares the force pressed on the button, thereby reducing the force acting on the switch. Thereby protecting the switch. Moreover, the switch is prevented from malfunctioning, and when the force of pressing the button is small, the button cannot be deformed, and the switch cannot be triggered.

Preferably, the electronic whistle further includes a button for triggering the switch, the protection device further includes a partition, and the housing is provided with a switch hole corresponding to the switch, the partition Cooperating with a side wall around the switch hole and closing the switch hole, the button is disposed to be placed in the opening a trigger point of the hole position, wherein the trigger point is smaller than the switch hole, and when the button is subjected to a pressing force, the trigger point is pressed against the partition plate to cause the diaphragm to deform to trigger the switch. A partition is arranged between the button and the switch, and the corresponding switch of the housing is provided with a switch hole for triggering the switch. Correspondingly, the button is provided with a trigger point whose size is smaller than the switch hole for inserting into the switch hole, and the button is fixed and fixed. When the casing is arranged, the trigger point is aligned with the position of the switch hole; since the switch and the button are provided with a partition to close the switch hole, when the button is pressed, the force exerted by the button acts on the partition through the trigger point, and the corresponding switch of the partition The position of the hole is deformed to the switch position, thereby triggering the switch. During this process, the partition plate is in contact with the side wall around the switch hole, and when the partition plate is subjected to the force transmitted by the button, a part of the force acts on the side around the switch hole. On the wall, a part of the force is used to trigger the switch, so that when the button is pressed, the switch will not be damaged due to excessive pressing force or frequent pressing of the switch. In this way, the partition plate also prevents the switch from being operated by mistake. When the force is small, the diaphragm cannot be deformed, and the switch cannot be triggered, thereby preventing the button from being inadvertently touched and triggering the switch. At the same time, the partition seals the switch hole to prevent liquid from entering the inside of the case from the position of the partition, so that the partition also functions as a seal and waterproof.

Preferably, the electronic whistle further includes a button for engaging the switch for triggering the switch, the protection device further includes a spring, one end of the spring is fixedly connected with the button, and the other end of the spring is The housing is fixedly coupled, and one end of the spring and the other end of the spring are respectively located at both ends of the spring. When the force is applied to the button, the button is forced to exert a force on the spring, and the spring is deformed by the force. When the spring is deformed, the spring force is generated in the opposite direction to the force, and the elastic effect of the spring is better, thereby being in the housing. Switch protection is better.

The electronic whistle of the invention is provided with a protection device on the casing to protect the switch on the casing to prevent damage to the switch caused by excessive force during use.

[Description of the Drawings]

1 is an overall structural view of an electronic whistle according to an embodiment of the present invention;

2 is a schematic diagram of splitting of an electronic whistle according to an embodiment of the present invention;

Figure 3 is a longitudinal cross-sectional view of an electronic whistle of an embodiment of the present invention;

4 is a schematic structural view of a lower case according to an embodiment of the present invention;

Figure 5 is a schematic structural view of a casing in an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a button according to an embodiment of the present invention.

Wherein: 10, electronic whistle; 100, housing; 110, upper shell; 111, avoidance hole; 120, middle shell; 121, switch hole; 122, limit slot; 123, placement slot; 124, fixed column; Sinking surface; 126, limiting edge; 130, lower casing; 131, card slot; 132, first card slot; 133, second card slot; 134, platform; 135, battery compartment; 140, sound outlet; Hanging hole; 200, sealing ring; 300, button; 310, trigger point; 320, limit ring; 330, elastic arm; 331, root; 332, end; 333, middle; 334, fixing hole; 340, convex [350, partition; 400, circuit board; 410, switch; 420, illuminator; 500, battery cover; 510, first groove; 520, snap; 513, second groove; 600, battery; 700 , shrapnel; 800, foam.

【detailed description】

An electronic whistle includes a housing and a switch disposed on the housing, the electronic whistle further including a protection device disposed on the housing for protecting the switch. The electronic whistle of the invention is provided with a protection device on the casing to protect the switch on the casing to prevent damage to the switch caused by excessive force during use.

The invention will now be further described with reference to the drawings and preferred embodiments.

It is to be understood that the terms "first", "second" and the like in the specification and claims of the invention are used to distinguish similar objects, and are not necessarily used to describe a particular order or order. It is to be understood that such structures are interchangeable, where appropriate, so that the embodiments of the invention described herein can be implemented in a sequence other than those illustrated or described herein. Moreover, the term "comprise" and its conjugations are intended to cover a non-exclusive inclusion.

An electronic whistle, as shown in FIGS. 1-6, includes a housing 100, an illuminating illuminant 420 disposed in the housing 100, a circuit board 400, and a battery 600, and the battery 600 and the circuit board 400 are electrically The illuminant 420 is electrically connected to the circuit board 400. In the present invention, the illuminant 420 is preferably disposed on the circuit board 400. Thus, when the fixed circuit board 400 is mounted, the illuminant 420 is conveniently mounted at the same time. It is possible to communicate with the circuit board 400 through wires. The battery 600 is powered by the illuminant 420. The circuit board 400 is further provided with a switch 410 for controlling the illuminant 420, so that the user can conveniently control the illuminating or non-illuminating of the illuminant 420 through the switch 410. The electronic whistle 10 further includes a protection device disposed on the housing 100 for protecting the switch 410. The electronic whistle of the invention is provided with a protection device on the casing to protect the switch on the casing to prevent damage to the switch caused by excessive force during use.

The housing 100 is provided with a battery compartment 135 for placing a battery 600. As shown in FIGS. 2 and 3, the housing 100 of the present invention includes an upper housing 110, a middle housing 120 and a lower housing 130, and the middle housing 130 is fixed at Between the upper shell and the lower shell, one end of the upper shell and the lower shell is fixedly provided with an sound outlet 140, and the middle shell 120 is suitable for the structure of the other end of the upper shell and the lower shell, and the other end and the middle shell of the upper shell and the lower shell The shells together form a cavity for the placement of the battery and the circuit board. The battery compartment 135 of the present invention is located on the lower casing 130. The electronic whistle further includes a battery cover 500 for closing the battery compartment 135. The lower casing 130 is provided with a platform 134 for supporting the battery cover 500 at the position of the battery compartment. The 134 is suitable for the battery cover size setting. The battery cover of the invention is closed to the casing to close the battery compartment to realize the sealing and limiting of the battery.

The electronic whistle 10 of the present invention further includes a button 300 for triggering the switch in cooperation with the switch 410. The structure of the button is shown in FIG. 6. The button 300 is sleeved on the switch 410 to protect the switch. effect. The middle case 120 of the housing 100 is provided with a switch hole 121 corresponding to the switch 410. The circuit board 400 of the present invention is mounted and fixed between the middle case 120 and the lower case 130, and the switch hole 121 is disposed in the middle of the middle case 120, corresponding to The button 300 is mounted and fixed on the middle case 120 and located between the middle case and the upper case.

As shown in FIG. 1-6, the protection device includes a resilient arm 330 disposed on the button 300, and the elastic arm 330 is fixedly connected to the middle case 120 of the housing. When the button 300 is subjected to a pressing force, the elastic arm 330 generates a deformation in the same direction as the force, so that the button 300 triggers the switch 410. The electronic whistle 10 sets the button to cooperate with the switch and passes the button 300 trigger switch 410, the elastic arm 330 on the button 300 is fixedly connected with the middle case 120, and when the button 300 is subjected to a pressing force, the button 300 applies a force to the elastic arm 330 so that the elastic arm 330 generates the same deformation as the pressing direction and Applying a force to the switch 410 to trigger the switch 410, thereby reducing the force acting on the switch when the force applied to press the button is applied to the switch, thereby protecting the switch. When the pressing force of the button is too large, the elastic arm shares the force to prevent the switch from being damaged. Moreover, the elastic arm structure on the button is simple and easy to produce. In addition, when the elastic arm is deformed by the pressing force, it has a reaction force opposite to the pressing direction, that is, has a rebounding effect, thereby reducing the supporting force of the switch on the button, and the elastic arm and the switch rebound with the button. effect. This also protects the switch from erroneous operation.

In this embodiment, as shown in FIG. 6 , the root portion 331 of the elastic arm 330 is integrally provided with the button 300 , and the end portion 332 of the elastic arm 330 is fixedly connected with the middle case 120 of the housing. The root portion 331 and the end portion 332 are respectively located at both ends of the elastic arm 330. The root portion 331 of the elastic arm 330 and the button 300 are integrally provided, so that the strength between the elastic arm 330 and the button 300 is large; at the time of production, the elastic arm 330 and the button 300 are integrally formed, which is easy to produce. Moreover, the end portion 332 of the elastic arm 330 is fixedly coupled to the middle case 120, and the root portion 331 and the end portion 332 are respectively located at both ends of the elastic arm 330, so that the elastic action of the elastic arm 330 is better. Of course, the elastic arm and the button can also be fixedly connected by other means, for example, by a detachable manner.

In the embodiment, the end portion 332 is provided with a fixing hole 334, and the middle case 120 of the housing is provided with a fixing post 124 for inserting into the fixing hole 334, and a fixed position block is arranged on the top of the fixing post 124. . The fixing hole 334 is aligned with the fixing post 124, and the end portion 332 is pressed to insert the fixing post 124 into the fixing hole 334. The top of the fixing column is provided with a limiting block. The top of the fixing column is larger than the fixing hole, and the fixing hole is generated when the end portion is pressed. Deformation, the fixing hole becomes large, and the fixing hole is restored to the original size after the fixing column is inserted into the fixing hole, so that the limiting block at the top of the fixing column fixes the end of the fixed elastic arm to prevent the end portion and the fixing column. Cooperate with. This is a specific way of fixing the fixing post and the fixing hole limit. Of course, the fixing post can be inserted into the fixing hole, and the fixing post can be bonded to the end by glue; or inserted into the fixing hole. The hot-melt of the fixed column makes the fixed column and the end fixed connection more secure. when However, the present invention can also provide a fixing post on the end of the elastic arm and a fixing hole on the middle casing.

In this embodiment, the root portion 331 and the end portion 332 of the elastic arm 330 are respectively located at both end portions of the elastic arm, and the end portion 332 has a cross section larger than the elastic arm at the end portion 332 and the root portion 331. A cross section of the intermediate portion 333 having a cross section larger than a cross section of the central portion 333 of the resilient arm between the end and the root. The cross-sectional size of the end portion 332 and the root portion 331 of the elastic arm 330 is larger than the size of the central portion 333, which not only increases the strength of the end portion 332 and the root portion 331, so that the end portion 332 and the middle case 120 of the housing are fixedly connected and the root portion is The button is integrally provided with high strength; and the elasticity of the middle portion 333 of the elastic arm is increased, so that the elastic arm has better elasticity.

In the present embodiment, the middle case 120 of the housing 100 is provided with a limiting edge 126 for limiting the button 300. The button 300 is provided with a protruding edge 340 that cooperates with the limiting edge 126. When no external force acts on the button 300, the elastic member has an elastic force from the housing to the button direction, and the limiting edge on the housing and the convex edge on the button are in close contact with each other, thereby limiting the edge and the convex portion. Along the interaction, the elastic force of the elastic member acts on the limit edge, so that the limit edge acts as a limit on the button, so that the button is stably fixed on the casing.

In the present embodiment, the middle case 120 of the housing 100 is provided with a placement slot 123 for placing the button 300, and the middle case 120 is provided with a sinking surface 125 around the placement slot 123. In the example, a part of the upper case 110 is covered on the sinking surface 125, and when the upper case 110 is fixed on the sinking surface 125, the elastic arm 330 is covered, and the upper case 110 is disposed at a position corresponding to the button for avoiding The escape hole 111 of the button 300. When the upper case of the electronic whistle 10 of the present invention is fixed on the middle case, the elastic arm is covered, thereby protecting the elastic arm and preventing the elastic arm from being exposed and damaged. Moreover, after the upper shell covers the elastic arm, the elastic arm is limited to prevent the elastic arm from being deformed by excessive force and being damaged. Of course, the present invention may additionally provide an outer cover covering the sinking surface, and similarly, the elastic arm is covered when the outer cover is fixed on the sinking surface, and the outer cover is provided with a button for avoiding the button. Avoidance hole. In this way, the outer cover can also cover the elastic arm, thereby protecting the elastic arm, preventing the elastic arm from being exposed and being damaged; and covering the elastic arm to limit the elastic arm to prevent the elastic arm from being deformed by force. Too big to be damaged.

In this embodiment, the elastic arm is one piece. Of course, two elastic arms may be disposed at the two sides of the button, so that the elastic walls are forced on both sides to reduce the force on the single elastic wall; Three or more elastic arms can be provided.

As a second embodiment of the present invention, the difference between the second embodiment and the first embodiment is that the protection device includes an upper limit ring 320 disposed on the inner surface of the button 300, as shown in FIG. -6, the limiting ring 320 is engaged with the side wall around the switch hole 121, and when the button 300 is subjected to a pressing force, the button 300 is deformed to trigger the switch 121. The limiting ring 320 on the inner surface of the button 300 is engaged with the middle casing 120. The limiting ring 320 is disposed around the corresponding switch hole 121 of the button 300. When the button 300 is pressed, the force acts on the limiting ring 320, and the limit is limited. The ring 320 is pressed against the upper limit button 300 of the middle case 120, and the force is pressed to press the button 300, so that the position of the button 300 corresponding to the position of the switch hole 121 generates the deformation trigger switch 410, so that when the button 300 is pressed, the limit ring 320 shares the press button. The force on 300, thereby reducing the force acting on switch 410, thereby protecting the switch. Moreover, the switch is prevented from malfunctioning, and when the force of pressing the button is small, the button cannot be deformed, and the switch cannot be triggered.

As a preferred embodiment of the present embodiment, the trigger point 310 of the cylindrical structure is disposed in the middle of the button 300 of the embodiment, and the size of the trigger point 310 is smaller than the size of the switch hole 121. Thus, when the button is pressed, the trigger point 310 is conveniently pressed through the button. The deformation is inserted into the switch aperture 121 to trigger the switch 410 at the location of the switch aperture.

As a third embodiment of the present invention, the third embodiment differs from the first embodiment in that the protection device further includes a partition plate 350. Referring to FIGS. 1-6, the partition plate 350 and the side wall around the switch hole 121 The switch hole 121 is matched and closed, and the button 300 is provided with a trigger point 310 placed at the position of the switch hole 121, the trigger point 310 is smaller than the switch hole 121, when the button 300 is subjected to a pressing force The trigger point 310 is pressed against the partition plate 350 such that the diaphragm 350 is deformed to trigger the switch 410. A partition plate 350 is disposed between the button 300 and the switch 410. The middle case 120 of the housing is provided with a switch hole 121 for triggering the switch 410 corresponding to the switch 410. Correspondingly, the button 300 is disposed with a smaller size than the switch hole 121 for insertion into the switch hole. The trigger point 310 of the trigger switch 410 is 121, and the button 300 is fixed and fixed in the middle. When the shell 120 is on, the trigger point 310 is aligned with the position of the switch hole 121; since the switch 350 is disposed between the switch 410 and the button 300 to close the switch hole 121, the force received by the button 300 when the button 300 is pressed is acted upon by the trigger point 310. On the partition plate 350, the partition plate 350 is deformed toward the switch position corresponding to the position of the switch hole 121, thereby triggering the switch. During this process, the partition plate is in contact with the side wall around the switch hole, and the partition plate is subjected to the force transmitted by the button. Part of the force acts on the side wall around the switch hole, and a part of the force is used to trigger the switch, so that when the button is pressed, the switch will not be damaged due to excessive pressing force or frequent pressing of the switch. In this way, the partition plate also prevents the switch from being operated by mistake. When the force is small, the diaphragm cannot be deformed, and the switch cannot be triggered, thereby preventing the button from being inadvertently touched and triggering the switch. At the same time, the partition seals the switch hole to prevent liquid from entering the inside of the case from the position of the partition, so that the partition also functions as a seal and waterproof.

In the embodiment, the middle casing 120 is provided with a limiting slot 122 for placing the partition 350. The limiting slot 122 limits the partition 350 to prevent the partition 350 from moving.

As a fourth embodiment of the present invention, the fourth embodiment differs from the first embodiment in that the protection device includes a spring, and the spring is mounted and fixed on the bottom of the button. Correspondingly, the housing and the button are respectively fixedly connected with the spring, and when the button is pressed The spring contraction triggers the button switch. When the button is not pressed, the spring returns to reset the button and closes the switch. In order to prevent the button from being ejected to the outside of the housing when the spring is reset, the housing is provided with a limit edge of the limit button around the button, and correspondingly, the button is provided with a convex edge that cooperates with the limit edge.

As a fifth embodiment of the present invention, the fifth embodiment differs from the first embodiment in that the protection device further includes a partition plate 350 and an upper limit ring 320 disposed on the inner surface of the button 300. This embodiment is in the second embodiment. And the optimization performed on the basis of the third embodiment, in conjunction with FIG. 1-6, the limiting ring 320 is engaged with the sidewall around the switch hole 121, and the button 300 is caused to be pressed when the button 300 is pressed. The 300 generates a deformation that triggers the switch 121. The limiting ring 320 on the inner surface of the button 300 is engaged with the middle casing 120. The limiting ring 320 is disposed around the corresponding switch hole 121 of the button 300. When the button 300 is pressed, the force acts on the limiting ring 320, and the limit is limited. The ring 320 is pressed against the upper limit button 300 of the middle case 120, and the force is pressed to press the button 300, so that the position of the button 300 corresponding to the position of the switch hole 121 generates the deformation trigger switch 410, so that when the button 300 is pressed, the limit ring 320 shares the press button. The force on 300, and thus The force acting on the switch 410 is reduced to protect the switch. Moreover, the switch is prevented from malfunctioning, and when the force of pressing the button is small, the button cannot be deformed, and the switch cannot be triggered.

The partition plate 350 cooperates with a sidewall around the switch hole 121 and closes the switch hole 121. The button 300 is provided with a trigger point 310 placed at the position of the switch hole 121, and the trigger point 310 is smaller than The switch hole 121, when the button 300 is subjected to a pressing force, the trigger point 310 is pressed against the partition plate 350 such that the diaphragm 350 is deformed to trigger the switch 410. A partition plate 350 is disposed between the button 300 and the switch 410. The middle case 120 of the housing is provided with a switch hole 121 for triggering the switch 410 corresponding to the switch 410. Correspondingly, the button 300 is disposed with a smaller size than the switch hole 121 for insertion into the switch hole. The trigger point 310 of the trigger switch 410 in the 121, when the button 300 is fixedly mounted on the middle case 120, the trigger point 310 is aligned with the position of the switch hole 121; since the switch 350 is disposed between the switch 410 and the button 300, the switch hole 121 is closed. When the button 300 is pressed, the force applied by the button 300 acts on the partition plate 350 through the trigger point 310, and the partition plate 350 is deformed toward the switch position corresponding to the position of the switch hole 121, thereby triggering the switch, in the process of the partition and The side walls around the switch hole are in contact with each other, and when the partition is subjected to the force transmitted by the button, a part of the force acts on the side wall around the switch hole, and a part of the force is used to trigger the switch, so that when the button is pressed, the button is not pressed. The switch is damaged because the pressing force is too large or the button is often pressed directly. In this way, the partition plate also prevents the switch from being operated by mistake. When the force is small, the diaphragm cannot be deformed, and the switch cannot be triggered, thereby preventing the button from being inadvertently touched and triggering the switch. At the same time, the partition seals the switch hole to prevent liquid from entering the inside of the case from the position of the partition, so that the partition also functions as a seal and waterproof.

In this embodiment, the trigger point 310 is a cylindrical structure, so that when the button is pressed, the trigger point 310 is inserted into the switch hole 121 by the deformation of the button to trigger the switch 410 located at the position of the switch hole.

As a preferred embodiment of the present embodiment, the limiting ring 320 surrounds the trigger point 310. When the button 300 is in contact with the spacer 350, the limiting ring 320 is pressed against the spacer. The plate 350 and the limiting groove 122 are at the edge. The limiting ring 320 of the button 300 is pressed against the edge of the partition plate 350 and the limiting slot 122, so that the limiting ring 320 of the button 300 realizes the connection between the partition 350 and the limiting slot 122. The sealing function not only has better effect on the limitation of the partition, but also prevents the liquid from entering the connection position of the partition and the limiting groove, so that the sealing effect is better and the waterproof effect is better. Moreover, when the button is pressed against the diaphragm when the button is pressed, a part of the force acting on the button is applied to the limit ring, so that not only the limit ring has a connection between the partition plate and the housing. Sufficient pressure, and with the partition to prevent misoperation, and to protect the switch.

Embodiment 6 of the present invention, as a preferred embodiment of the present invention, as shown in FIG. 1-6, the protection device includes a resilient arm 330 disposed on the button 300, and an upper limit ring disposed on an inner surface of the button 300. 320 and partition 350.

The elastic arm 330 is fixedly connected to the middle case 120 of the housing, and when the button 300 is subjected to a pressing force, the elastic arm 330 generates a deformation in the same direction as the force, so that the button 300 triggers the Switch 410. The electronic whistle 10 is provided with a button to cooperate with the switch, and the switch 410 is triggered by the button 300. The elastic arm 330 of the button 300 is fixedly connected with the middle case 120. When the button 300 is subjected to a pressing force, the button 300 applies a force to the elastic arm 330. The elastic arm 330 is caused to generate the same deformation as the pressing direction and the force is applied to the switch 410 to trigger the switch 410, thereby reducing the effect on the switch compared to the force applied to press the button on the switch. The force acts to protect the switch. When the pressing force of the button is too large, the elastic arm shares the force to prevent the switch from being damaged. Moreover, the elastic arm structure on the button is simple and easy to produce. In addition, when the elastic arm is deformed by the pressing force, it has a reaction force opposite to the pressing direction, that is, has a rebounding effect, thereby reducing the supporting force of the switch on the button, and the elastic arm and the switch rebound with the button. effect. This also protects the switch from erroneous operation.

In the embodiment, the end portion 332 is provided with a fixing hole 334, and the middle case 120 of the housing is provided with a fixing post 124 for inserting into the fixing hole 334, and a fixed position block is arranged on the top of the fixing post 124. . The fixing hole 334 is aligned with the fixing post 124, and the end portion 332 is pressed to insert the fixing post 124 into the fixing hole 334. The top of the fixing column is provided with a limiting block. The top of the fixing column is larger than the fixing hole, and the fixing hole is generated when the end portion is pressed. Deformation, the fixing hole becomes large, and the fixing hole is restored to the original size after the fixing column is inserted into the fixing hole, so that the limiting block at the top of the fixing column fixes the end of the fixed elastic arm to prevent the end portion and the fixing column. Cooperate with. This is a specific way of fixing the fixing post and the fixing hole limit. Of course, the fixing post can be inserted into the fixing hole, and the fixing post can be bonded to the end by glue; or inserted into the fixing hole. The hot-melt of the fixed column makes the fixed column and the end fixed connection more secure. Of course, the present invention can also provide the fixing post on the end of the elastic arm and the fixing hole on the middle casing.

In this embodiment, the middle case 120 of the housing 100 is provided with a place for placing the button 300 A groove 123 is disposed, and the middle case 120 is disposed around the placement groove 123 with a sinking surface 125. In this embodiment, a portion of the upper case 110 covers the sinking surface 125, and when the upper case 110 is fixed to the lower surface The elastic arm 330 is covered on the surface 125, and the upper casing 110 is provided with a relief hole 111 for avoiding the button 300 at a position corresponding to the button. When the upper case of the electronic whistle 10 of the present invention is fixed on the middle case, the elastic arm is covered, thereby protecting the elastic arm and preventing the elastic arm from being exposed and damaged. Moreover, after the upper shell covers the elastic arm, the elastic arm is limited to prevent the elastic arm from being deformed by excessive force and being damaged. Of course, the present invention may additionally provide an outer cover covering the sinking surface, and similarly, the elastic arm is covered when the outer cover is fixed on the sinking surface, and the outer cover is provided with a button for avoiding the button. Avoidance hole. In this way, the outer cover can also cover the elastic arm, thereby protecting the elastic arm, preventing the elastic arm from being exposed and being damaged; and covering the elastic arm to limit the elastic arm to prevent the elastic arm from being deformed by force. Too big to be damaged.

The limiting ring 320 is in contact with the side wall around the switch hole 121, and when the button 300 is subjected to a pressing force, the button 300 is deformed to trigger the switch 121. The limiting ring 320 on the inner surface of the button 300 is engaged with the middle casing 120. The limiting ring 320 is disposed around the corresponding switch hole 121 of the button 300. When the button 300 is pressed, the force acts on the limiting ring 320, and the limit is limited. The ring 320 is pressed against the upper limit button 300 of the middle case 120, and the force is pressed to press the button 300, so that the position of the button 300 corresponding to the position of the switch hole 121 generates the deformation trigger switch 410, so that when the button 300 is pressed, the limit ring 320 shares the press button. The force on 300, thereby reducing the force acting on switch 410, thereby protecting the switch. Moreover, the switch is prevented from malfunctioning, and when the force of pressing the button is small, the button cannot be deformed, and the switch cannot be triggered.

The partition plate 350 cooperates with a sidewall around the switch hole 121 and closes the switch hole 121. The button 300 is provided with a trigger point 310 placed at the position of the switch hole 121, and the trigger point 310 is smaller than The switch hole 121, when the button 300 is subjected to a pressing force, the trigger point 310 is pressed to The diaphragm 350 causes the diaphragm 350 to deform to trigger the switch 410. A partition plate 350 is disposed between the button 300 and the switch 410. The middle case 120 of the housing is provided with a switch hole 121 for triggering the switch 410 corresponding to the switch 410. Correspondingly, the button 300 is disposed with a smaller size than the switch hole 121 for insertion into the switch hole. The trigger point 310 of the trigger switch 410 in the 121, when the button 300 is fixedly mounted on the middle case 120, the trigger point 310 is aligned with the position of the switch hole 121; since the switch 350 is disposed between the switch 410 and the button 300, the switch hole 121 is closed. When the button 300 is pressed, the force applied by the button 300 acts on the partition plate 350 through the trigger point 310, and the partition plate 350 is deformed toward the switch position corresponding to the position of the switch hole 121, thereby triggering the switch, in the process of the partition and The side walls around the switch hole are in contact with each other, and when the partition is subjected to the force transmitted by the button, a part of the force acts on the side wall around the switch hole, and a part of the force is used to trigger the switch, so that when the button is pressed, the button is not pressed. The switch is damaged because the pressing force is too large or the button is often pressed directly. In this way, the partition plate also prevents the switch from being operated by mistake. When the force is small, the diaphragm cannot be deformed, and the switch cannot be triggered, thereby preventing the button from being inadvertently touched and triggering the switch. At the same time, the partition seals the switch hole to prevent liquid from entering the inside of the case from the position of the partition, so that the partition also functions as a seal and waterproof.

In this embodiment, the limiting ring 320 surrounds the trigger point 310. When the button 300 is in contact with the partition 350, the limiting ring 320 is pressed against the partition 350. And the edge of the limiting slot 122. The limiting ring 320 of the button 300 is pressed against the edge of the spacer 350 and the limiting slot 122, so that the limiting ring 320 of the button 300 seals the connection between the spacer 350 and the limiting slot 122, not only the spacer The limiting action of the plate is better, and the liquid is prevented from entering the connection position of the partition plate and the limiting groove, so that the sealing effect is better and the waterproof effect is better. Moreover, when the button is pressed against the diaphragm when the button is pressed, a part of the force acting on the button is applied to the limit ring, so that not only the limit ring has a connection between the partition plate and the housing. Sufficient pressure, and with the partition to prevent misoperation, and to protect the switch.

The invention cooperates with the elastic arm, the limiting ring and the partition plate to play the role of the switch protection. This has a better effect on switch protection.

As shown in FIG. 2, the electronic whistle 10 of the present invention further includes a foam 800. The foam 800 is mounted and fixed on the outer surface of the button 300. The button 300 is provided on the outer surface thereof with a third groove for placing the foam. The foam is fixed to the middle of the outer surface of the button by glue bonding. The foam is soft material, has elasticity, and has good hand feeling. The user controls the button through the foam to give the user a comfortable feeling during use.

There are two batteries 600 of the present invention. As shown in FIG. 2, the two batteries are fully charged. Of course, one battery or other number of batteries may be provided.

A elastic piece 700 is fixed on the battery cover 500 of the present invention. As shown in FIG. 2, when the battery cover is closed to the casing, the elastic piece 700 is pressed against one pole of the battery to achieve close contact; the other pole of the battery and the circuit board 400 direct press fit to achieve electrical connection, so that when the battery cover is fixed to the housing to achieve electrical connection between the circuit board and the battery, the illuminant on the circuit board can be controlled by the switch, which is convenient to use.

As shown in FIG. 1 , the housing 100 of the present invention is provided with a hanging hole 150 for hanging. The hanging hole 150 cooperates with a lanyard, a hook or a hanging ring to facilitate the suspension or carrying of the electronic whistle 10 of the present invention. Use and place.

As shown in FIGS. 2-3, the electronic whistle 10 of the present invention further includes a sealing ring 200 disposed at a junction of the battery cover 500 and the lower case 130 of the housing 100 for sealing the battery cover and the case. Body, thereby making the connection between the battery cover and the casing tight and sealed, preventing liquid from penetrating into the interior of the casing from the position of the sealing ring at the junction of the battery cover and the casing, so that the electronic whistle of the present invention is also rainy or in the water easy to use. The invention realizes the sealing simple, convenient and easy to realize by providing a sealing ring between the battery cover and the casing.

The sealing ring 200 has an annular structure, and the cross section of the sealing ring 200 is also an annular structure, so that the sealing ring 200 is easily deformed when being pressed, so that the sealing effect is better, and of course, the sealing ring can be set to other structures. . As shown in FIG. 2, the battery cover 500 is provided with a first groove 510 for placing a ring-shaped annular structure of the sealing ring 200. The first groove 510 is adapted to the size of the sealing ring 200, and the first groove 510 is The depth is less than the thickness of the sealing ring 200, such that when the sealing ring 200 is placed A portion of the seal ring 200 protrudes outside the first recess 510 when the seal groove 200 is placed in the first recess 510, such that a portion of the seal ring 200 is located when the seal ring 200 is placed in the first recess 510 The inside of one groove 510 protrudes outside the first groove 510; when the battery cover 500 is closed on the casing 100, the sealing ring 200 protrudes from a portion outside the first groove 510 and the battery compartment opening on the casing The side walls of the position are closely fitted to each other, and the sealing effect is achieved by the sealing ring, so that the rainwater does not easily penetrate into the interior of the electronic whistle from the position of the battery cover when it rains. Of course, the present invention can also provide a recessed structure on the side wall around the opening of the battery compartment to place the sealing ring, and a part of the sealing ring protrudes in the opening position of the battery compartment, and the sealing ring and the battery cover are closely attached when the battery cover closes the battery compartment. The same can also provide a sealing effect to prevent rainwater or the like from penetrating into the interior of the casing from the position of the battery cover. Alternatively, a portion of the protruding portion of the sealing ring may be placed on the side wall around the opening of the battery compartment on the basis of the first groove. Of course, it is also possible to set other structural positioning and place the sealing ring.

The first groove 510 is located on the side wall of the battery cover 500. Of course, it is also possible to arrange the first groove at the bottom of the battery cover. And the first groove is disposed on the side wall of the battery cover, the sealing ring is placed in the first groove and is also located at the side wall position of the battery cover, and the battery cover and the sealing ring when the battery cover is closed to the casing Both of them are in close contact with the side walls of the battery compartment opening of the casing to achieve a sealing effect, thereby preventing rainwater from penetrating into the interior of the casing from the side wall of the battery cover. If a first groove is provided on the inner surface of the battery cover, that is, the bottom surface, rainwater will penetrate from the side wall of the battery cover to the inner surface of the battery cover, and the position inside the housing is deeper; in contrast, The sealing position of the first groove of the side wall of the battery cover is better, and the rainwater is prevented from infiltrating into the interior of the casing.

The inner surface of the battery cover 500 is provided with a buckle 520, that is, the bottom surface of the battery cover is provided with a buckle, and the lower casing 130 of the casing 100 is provided with a card slot 131 that is engaged with the buckle, the card The slot 131 includes a first card slot 132 for placing the buckle 520 and a second card slot 133 for engaging with the buckle. The first card slot 132 and the second card slot 133 are in communication. The buckle rotates from the first card slot into the second card slot. The battery cover and the lower case 130 are fastened by means of rotation, the connection is tight, and the fixing is firm; and the sealing effect is better by preventing the sealing ring from forming a gap between the battery cover and the lower case by the rotation process. Similarly, when the battery cover is removed, it can be rotated in the opposite direction, and the removal method is simple and easy to implement.

The first recess 510 is disposed on the side wall of the battery cover 500, and the buckle 520 is disposed on the bottom surface of the battery cover 500. The battery cover is optimally fixed to the housing. Of course, the first recess can also be used. The groove is disposed on the inner surface of the battery cover, and the buckle is disposed on the side wall of the battery cover. However, the waterproof effect is not provided by the first groove on the side wall of the battery cover, and the first groove is disposed on the side wall of the battery cover to be sealed. The ring prevents water from entering the inner surface of the battery cover. Or other ways to achieve the connection of the battery cover and the housing.

As shown in FIG. 1, the outer surface of the battery cover 500 is provided with a second recess 513 for detaching the battery cover 500. The second recess 513 is located at a middle position of the outer surface of the battery cover 500, and is inserted using a fingernail or a tool. Rotating the battery cover into the second recess, the direction of rotation is opposite to the rotation of the battery cover into the housing, so that the buckle and the card slot are disengaged, thereby facilitating removal of the battery cover. Of course, it is also possible to provide a protruding structure on the outer surface of the battery cover for the user to control the protruding structure to take out the battery cover or other structure to remove the battery cover; however, the second groove is provided on the outer surface of the battery cover compared to the protruding structure. The structure is prevented from protruding outside the surface of the battery cover, and the overall structure of the electronic whistle is reduced, which is convenient to use.

The sealing ring 200 of the present invention is made of a rubber material, and the rubber material has good elasticity and good deformation effect, so that the sealing between the battery cover and the lower case is better. Of course, it is also possible to use other materials with good elastic effect on the sealing ring.

The battery cover 500 of the invention has a circular ring structure, and the battery cover of the circular ring structure is convenient to rotate, thereby facilitating installation and disassembly of the battery cover; and the matching effect of the battery cover and the sealing ring is good, so that the cooperation effect with the housing is good. And the sealing effect is better.

The above is a further detailed description of the present invention in connection with the specific preferred embodiments, and the specific embodiments of the present invention are not limited to the description. It will be apparent to those skilled in the art that the present invention may be made without departing from the spirit and scope of the invention.

Claims

An electronic whistle comprising a housing and a switch disposed on the housing, wherein the electronic whistle further comprises a protection device disposed on the housing for protecting the switch.
The electronic whistle according to claim 1, wherein said electronic whistle further comprises a button for engaging said switch for triggering said switch, said protection means comprising a resilient arm disposed on said button, The elastic arm is fixedly connected to the housing, and when the button is subjected to a pressing force, the elastic arm generates a deformation in the same direction as the force, so that the button triggers the switch.
The electronic whistle according to claim 2, wherein a root of the elastic arm is integrally provided with the button, and an end of the elastic arm is fixedly connected to the housing, and the root and the end are respectively located Both ends of the elastic arm.
The electronic whistle according to claim 3, wherein said end portion is provided with a fixing hole, and said housing is provided with a fixing post for inserting into said fixing hole, and said fixing post top is provided with a limiting block.
The electronic whistle according to claim 3, wherein said end portion has a cross section larger than a cross section of said elastic arm at a middle portion between said end portion and said root portion, said root portion having a cross section larger than said A resilient arm is located in a cross section in the middle between the end and the root.
The electronic whistle according to claim 2, wherein the housing is provided with a limiting edge for limiting the button, and the button is provided with a convex edge that cooperates with the limiting edge.
The electronic whistle according to claim 2, wherein the housing is provided with a placement slot for placing the button, the housing is provided with a sinking surface around the placement slot, and the electronic whistle is further An outer cover fixed to the sinking surface is covered, and the elastic arm is covered when the outer cover is fixed on the sinking surface, and the outer cover is provided with a escape hole for avoiding the button.
The electronic whistle according to claim 1, wherein said electronic whistle further comprises a button for engaging said switch for triggering said switch, said protection device further comprising a surface disposed on said inner surface of said button a limiting ring, the housing is provided with a switch hole corresponding to the switch, the limiting ring and the The side wall around the switch hole is fitted, and when the button is subjected to a pressing force, the button is deformed to trigger the switch.
The electronic whistle according to claim 1, wherein said electronic whistle further comprises a button for engaging said switch for triggering said switch, said protection device further comprising a partition, said housing corresponding to said The switch is provided with a switch hole, the baffle cooperates with a sidewall around the switch hole and closes the switch hole, and the button is provided with a trigger point placed at the position of the switch hole, the trigger point is smaller than The switch hole, when the button is subjected to a pressing force, the trigger point is pressed against the partition plate to cause the diaphragm to deform to trigger the switch.
The electronic whistle according to claim 1, wherein said electronic whistle further comprises a button for engaging said switch for triggering said switch, said protection device further comprising a spring, said one end of said spring and said The button is fixedly connected, and the other end of the spring is fixedly coupled to the housing, and one end of the spring and the other end of the spring are respectively located at both ends of the spring.