CN210534942U

CN210534942U - Anti-theft device

Info

Publication number: CN210534942U
Application number: CN201921951928.2U
Authority: CN
Inventors: 李安培; 周会强
Original assignee: Steelmate Automobile Co ltd
Current assignee: Steelmate Automobile Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-05-15
Anticipated expiration: 2029-11-12

Abstract

The utility model provides a burglar alarm solves current burglar alarm wire and exposes easy impaired problem, the burglar alarm includes the shell and locates PCB and the buzzing piece in the shell, and the shell corresponds the sound hole has been seted up to the position of buzzing piece, and the periphery of buzzing piece bonds in the shell and makes the shutoff of buzzing piece with the help of the adhesive the sound hole, the shell are located sound hole department and still are equipped with the horn cover that is used for coveing the sound hole. The integrated loudspeaker structure such as PCB and buzzing piece is integrated in an organic whole, simple structure, and is small, easy to assemble, and the reducible wire of simultaneously between PCB and the buzzing piece exposes, avoids the damage of wire and leads to opening circuit between PCB and the buzzing piece to can guarantee the reliability of the alarming function of alarm. Meanwhile, the buzzer is bonded in the shell through the adhesive and covers the sound outlet hole, so that liquid can be prevented from entering the shell from a gap between the buzzer and the shell to wet the PCB, and the normal operation of the burglar alarm can be ensured.

Description

Anti-theft device

Technical Field

The utility model relates to a burglar alarm, concretely relates to install burglar alarm on motorcycle.

Background

The motorcycle as a main vehicle in daily life of people enters thousands of households, and along with the wide use of motorcycles, an anti-theft device applied to the motorcycle is derived in the market and used for preventing the motorcycle from being stolen by others after being parked.

The existing burglar alarm comprises a burglar alarm host, a loudspeaker and a remote controller, when the existing burglar alarm is installed by people, the burglar alarm host and the loudspeaker need to be fixed on a motorcycle respectively, if a lead used for connecting the burglar alarm host and the loudspeaker is too long, the lead needs to be clamped on a fixing frame of the motorcycle, the installation is inconvenient, the lead is exposed outside the burglar alarm, the lead is abraded or easily cut short by lawbreakers due to too long time, the break between the burglar alarm host and the loudspeaker is caused, and the alarm function of the whole burglar alarm is disabled.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple to operate guarantees the normal alarm of alarming function.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a burglar alarm, includes shell, PCB and buzzing piece, the buzzing piece with PCB electric connection and both locate in the shell, the shell corresponds the sound hole has been seted up to the position of buzzing piece, the periphery of buzzing piece bonds in the shell and makes with the help of the adhesive buzzing piece shutoff sound hole, the shell is located sound hole department still is equipped with and is used for coveing the horn cover in sound hole.

Further setting: the shell is provided with an accommodating part for accommodating the horn cover at the sound outlet, the horn cover is clamped in the accommodating part, and the bottom of the side wall of the accommodating part is provided with a water outlet hole penetrating through the side wall.

Further setting: one side of the horn cover close to the sound outlet hole is provided with a clamping hook extending towards the direction far away from the horn cover, and a clamping seat capable of being clamped with the clamping hook is arranged in the accommodating part.

Further setting: the accommodating part is also internally provided with a positioning sleeve, and one side of the horn cover close to the sound outlet hole is provided with a positioning column inserted in the positioning sleeve.

Further setting: the shell includes interconnect in order to form the confession PCB and the accommodation space's of buzzing piece holding epitheca and inferior valve, the phonate hole has been seted up to the epitheca, buzzing piece corresponds the position in phonate hole bond in the epitheca, be equipped with between epitheca and the inferior valve and be used for preventing that liquid from getting into from clearance between them sealing washer in the shell.

Further setting: the periphery of epitheca be equipped with size with inferior valve looks adaptation and cover locate the connecting cover outside the inferior valve.

Further setting: the inferior valve outer wall is equipped with outside convex fixture block, the epitheca is equipped with the orientation the connecting plate that the inferior valve extends, set up the confession on the connecting plate the draw-in groove that the fixture block inserted and the joint.

Further setting: the upper shell corresponds PCB predetermines straight needle terminal department and offers and is used for supplying the plug with the opening that straight needle terminal is connected, just the opening with be equipped with waterproof construction between the straight needle terminal.

Further setting: and a supporting block for supporting the PCB is arranged in the lower shell.

Further setting: the shell is provided with an installation groove which can be installed on the motorcycle by means of a threaded fastener; or an adhesive part for adhering the shell to the motorcycle is arranged on one side of the shell, which is far away from the sound outlet hole.

Compared with the prior art, the utility model discloses a scheme has following advantage:

1. in the burglar alarm of the application, the loudspeaker structures such as the PCB and the buzzer piece are integrated into a whole, the structure is simple, the size is small, the installation is convenient, meanwhile, the conducting wire between the PCB and the buzzer piece can be reduced to be exposed, the circuit breaking between the PCB and the buzzer piece caused by the damage of the conducting wire is avoided, and therefore the reliability of the alarm function of the burglar alarm can be guaranteed.

2. In the burglar alarm of this application, the sound outlet on the shell, opening and the junction of epitheca and inferior valve all set up seal structure in order to ensure the waterproof nature of burglar alarm, can avoid liquid to enter into the shell inside with being stained with wet PCB and lead to the short circuit from above-mentioned position to guarantee the stability of burglar alarm work.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an embodiment of the alarm device of the present invention;

fig. 2 is a schematic view of a split structure of an embodiment of the alarm device of the present invention;

fig. 3 is a schematic structural view of another embodiment of the alarm device of the present invention;

fig. 4 is a schematic view of a split structure of another embodiment of the alarm device of the present invention.

In the figure, 1, a housing; 11. an upper shell; 111. a connecting cover; 112. a connecting plate; 113. a card slot; 12. a lower case; 121. a clamping block; 122. positioning blocks; 123. a support block; 124. mounting grooves; 13. a seal ring; 14. a sound outlet; 15. a housing part; 151. a card holder; 152. a positioning sleeve; 153. a drain hole; 154. a groove; 16. an opening; 17. a waterproof structure; 2. a buzzer; 3. a PCB; 31. a straight pin terminal; 32. a wireless communication structure; 4. a horn cover; 41. a hook; 42. a positioning column; 43. a convex ring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

Please refer to fig. 1 to 4, the utility model relates to a burglar alarm, concretely relates to install burglar alarm on motorcycle, it includes shell 1 and locates PCB3 and buzzer 2 in the shell 1, buzzer 2 with PCB3 electric connection, buzzer 2 is in PCB 3's control is vibrated the sound production and is in order to realize alarming function, buzzer 2 and PCB3 arrange in same shell 1 can realize the integrated design of host computer and speaker, simple structure, and it has good waterproof performance, is fit for operating under various environment along with the motorcycle.

The shell 1 comprises an upper shell 11 and a lower shell 12 which are connected with each other to form a containing space for accommodating the PCB3 and the buzzer 2, a sealing ring 13 is arranged between the upper shell 11 and the lower shell 12 for preventing liquid from entering the shell 1 from a gap between the upper shell 11 and the lower shell, and the sealing ring 13 in the embodiment is preferably a silica gel ring.

Further, the periphery of upper shell 11 be equipped with size with the connecting cover 111 of inferior valve 12 looks adaptation, in order to pass through connecting cover 111 makes upper shell 11 cover in outside inferior valve 12, simultaneously be in the periphery of inferior valve 12 is formed with and is used for placing sealing washer 13's step, sealing washer 13's thickness is greater than upper shell 11 with clearance between the inferior valve 12, make upper shell 11 with when inferior valve 12 lid, sealing washer 13 receives the extrusion in order to take place to warp and fill completely in upper shell 11 with in the clearance of inferior valve 12, so that shell 1 has good waterproof ability, and shell 1 adopts the components of a whole that can function independently structural design, be convenient for with buzzing piece 2 with PCB3 puts into in shell 1, convenient operation.

In addition, the upper shell 11 with the lower shell 12 is fixed for the joint cooperation, specifically, the outer wall of lower shell 12 is equipped with outside convex fixture block 121, the outer wall of upper shell 11 corresponds the position of fixture block 121 is equipped with the orientation connecting plate 112 that the lower shell 12 extends, just set up on the connecting plate 112 and supply the draw-in groove 113 that fixture block 121 inserted and joint. Further, the latch 121 is provided with an inclined guide surface (not shown in the drawings, the same applies below) near the side surface of the upper housing 11, so that the latch 121 can be inserted into the latch slot 113.

Further, in the present embodiment, a plurality of the latch blocks 121 are disposed along the periphery of the lower shell 12, and a plurality of the connecting plates 112 are disposed along the periphery of the upper shell 11 in a one-to-one correspondence with the plurality of the latch blocks 121. Moreover, two positioning blocks 122 are disposed on two sides of each of the clamping blocks 121, and positioning grooves (not shown, the same applies below) which can be positioned in cooperation with the positioning blocks 122 are disposed on the inner side of the connecting cover 111 corresponding to the positioning blocks 122, so as to improve the convenience of assembly and the stability of the assembly structure.

Referring to fig. 2 and 4, a sound outlet 14 is formed in the upper case 11 corresponding to the buzzer 2, so that sound generated by the buzzer 2 can be transmitted to the outside of the case 1 through the sound outlet 14, and the problem of whistling, diaphragm sound and current sound caused by the fact that the case 1 is completely closed and gas in the case 1 cannot be discharged can be avoided.

And the utility model discloses will buzzing piece 2 is with the help of the adhesive in order to bond its periphery in epitheca 11, make simultaneously buzzing piece 2 just to sound hole 14 and will sound hole 14 shutoff can avoid liquid to follow inside entering into shell 1 in the sound hole 14, can prevent that liquid from following buzzing piece 2 with the clearance of epitheca 11 enters into in the shell 1 with PCB3 contacts, in order to ensure the waterproof performance of alarm.

The epitheca 11 is located sound outlet 14 department is equipped with and is used for hiding sound outlet 14's horn cover 4, and horn cover 4 is located its middle part and is netted setting, and the shape, size and the density of mesh can be set for according to concrete need, makes sound permeable that buzzing piece 2 sent horn cover 4, and horn cover 4 can protect buzzing piece 2 is bumped or reaches better audio by the mistake, thereby improves the reliability of alarm.

Furthermore, the upper shell 11 is located at the sound outlet 14 and is provided with an accommodating portion 15 for accommodating the horn cover 4, and the horn cover 4 is clamped in the accommodating portion 15. Specifically, one side of the horn cover 4 close to the sound outlet 14 is provided with a hook 41, the hook 41 extends in a direction away from the horn cover 4, and a clamping seat 151 capable of being clamped with the hook 41 is arranged in the accommodating part 15, so that the horn cover 4 and the upper shell 11 are fixedly connected through the clamping seat 151 and clamping fit.

Furthermore, a positioning sleeve 152 is further disposed in the receiving portion 15, and a positioning column 42 inserted into the positioning sleeve 152 is disposed on a side of the horn cover 4 close to the sound outlet 14, so as to ensure a correct assembly of the horn cover 4 and the upper shell 11.

In addition, the containing part 15 diapire can follow the periphery of sound outlet 14 sets up recess 154, loudspeaker cover 4 is close to one side of sound outlet 14 is equipped with along its middle part network structure's circumference setting and with the bulge loop 43 of recess 154 size looks adaptation, works as loudspeaker cover 4 with when the joint fit of upper shell 11, bulge loop 43 can fill in recess 154 to it leaks to reduce sound from sound outlet 14 with loudspeaker cover 4's clearance department, can ensure the audio of buzzer 2 sound production.

The bottom of the side wall of the accommodating part 15 is also provided with a drain hole 153 penetrating through the side wall, so that the condition of water accumulation in the accommodating part 15 can be avoided, and the waterproof performance of the burglar alarm is improved.

Additionally, the utility model provides a PCB3 has preset the warning inductor (not marking in the picture, lower with), the warning inductor include magnet and cup joint in solenoid on the magnet when the alarm inserts the power, receive the collision when the motorcycle and make it take place to vibrate, solenoid is in magnet is last to be moved in order to form magnetic field, and this magnetic field signal is received to PCB3 predetermined treater this moment, and control with the multivibrator that buzzer 2 is connected is played in order to output the audio signal of corresponding frequency channel, with the impedance matcher that buzzer 2 is connected promotes buzzer 2 sound production to play the effect of warning.

A straight pin terminal 31 is also preset on the PCB3, the connection between the PCB3 and the internal circuit and the power supply of the motorcycle can be realized through the straight pin terminal 31, an opening 16 for connecting a plug and the straight pin terminal 31 is formed at the position of the upper shell 11 corresponding to the straight pin terminal 31 of the PCB3, and a waterproof structure 17 is arranged between the opening 16 and the straight pin terminal 31 to ensure the waterproof performance of the outer shell 1.

Preferably, the straight pin terminals 31 and the PCB3 in this embodiment can be connected by fixed welding or plug-in connection, and the waterproof structure 17 may adopt a structure in which glue is filled between the opening 16 and the straight pin terminal 31, namely, glue can be injected into the housing 1 from the glue injection hole preset at the opening 16, the glue is filled in the gap between the straight pin terminal 31 and the PCB3 and the gap between the opening 16 and the straight pin terminal 31, thereby achieving fixation between the straight pin terminals 31 and the PCB3 and waterproofing between the openings 16 and the straight pin terminals 31, it is possible to prevent liquid from entering the housing 1 from the gap between the straight pin terminal 31 and the opening 16 to come into contact with the PCB3, ensure the waterproofness of the immobilizer, and further, when the glue in the shell 1 reaches a certain amount, the redundant glue can overflow from the glue overflow hole preset at the opening 16, so that the phenomenon that the performance of the burglar alarm is influenced by the excessive glue in the shell 1 is avoided; in other embodiments, a silicone pad may be further sleeved on the top end of the straight pin terminal 31, the silicone pad is filled in the opening 16 to play a waterproof role, and the top end of the straight pin terminal 31 penetrates through the silicone pad for electrical connection with a plug.

In a general application scenario, the burglar alarm is provided with a remote controller in a matching manner, the PCB3 inside the burglar alarm is provided with the wireless communication structure 32, wireless communication is realized between the remote controller and the wireless communication structure 32 inside the burglar alarm, and the remote controller can be used for remotely and wirelessly controlling the opening and the relationship of the burglar alarm. Preferably, the wireless communication structure 32 in this embodiment is an antenna connected to the PCB 3.

The lower shell 12 is further provided with a supporting block 123 for supporting the PCB3 and the antenna, and the supporting block 123 can be adapted to the shape of the antenna, so that the antenna can be prevented from being broken due to overlarge relative amplitude between the PCB3 and the antenna when the motorcycle vibrates and the buzzer 2 makes sound and vibrates, and the structural stability of the burglar alarm is improved.

Furthermore, the burglar alarm can be adhered to the motorcycle by providing an adhering portion at the bottom of the housing 1 (i.e., the side away from the sound outlet hole 14), and providing 3M glue at the adhering portion; alternatively, the burglar alarm can be mounted to the motorcycle by means of a screw fastener by providing a mounting groove 124 on the lower case 12.

The utility model discloses in, insert the plug of the control line that is connected with motorcycle engine on with the motorcycle collection power cord on the motorcycle or is connected with motorcycle flame-out line switch in order to realize in the opening 16 the motorcycle interior circuit with the inner circuit electric connection of alarm, glue through 3M afterwards or threaded fastener will the position of convenient installation above the motorcycle is installed to the alarm. When a user parks the motorcycle, the burglar alarm can be started by using the remote controller to be in an antitheft mode, when the motorcycle is collided and moves or vibrates, the alarm inductor in the burglar alarm can be triggered, and at the moment, the processor on the PCB3 can enable the buzzer 2 to vibrate to send out a warning signal.

The anti-theft device integrates the loudspeaker structures such as the PCB3 and the buzzer piece 2 into a whole, has simple structure, small volume and convenient installation, can reduce the exposure of the lead between the PCB3 and the buzzer piece 2, avoids the damage of the lead to cause the open circuit between the PCB3 and the buzzer piece 2, and can ensure the reliability of the alarm function of the anti-theft device.

In addition, the waterproof performance of the burglar alarm is good, sealing structures are arranged at the joint of the upper shell 11 and the lower shell 12 and the sound outlet hole 14 and the opening 16 on the shell 1 to ensure the waterproof performance of the burglar alarm, liquid can be prevented from entering the shell 1 from the position to wet the PCB3 to cause short circuit, and therefore the working stability of the burglar alarm is ensured.

The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a burglar alarm, includes shell, PCB and buzzing piece, characterized by: buzzing piece with PCB electric connection and both locate in the shell, the shell corresponds the sound hole has been seted up to buzzing piece's position, the periphery of buzzing piece bonds in the shell and makes with the help of the adhesive buzzing piece shutoff sound hole, the shell is located sound hole department still is equipped with and is used for coveing the horn cover in sound hole.

2. The theft protection device of claim 1, wherein: the shell is provided with an accommodating part for accommodating the horn cover at the sound outlet, the horn cover is clamped in the accommodating part, and the bottom of the side wall of the accommodating part is provided with a water outlet hole penetrating through the side wall.

3. The theft protection device of claim 2, wherein: one side of the horn cover close to the sound outlet hole is provided with a clamping hook extending towards the direction far away from the horn cover, and a clamping seat capable of being clamped with the clamping hook is arranged in the accommodating part.

4. The theft protection device of claim 3, wherein: the accommodating part is also internally provided with a positioning sleeve, and one side of the horn cover close to the sound outlet hole is provided with a positioning column inserted in the positioning sleeve.

5. The theft protection device of claim 1, wherein: the shell includes interconnect in order to form the confession PCB and the accommodation space's of buzzing piece holding epitheca and inferior valve, the phonate hole has been seted up to the epitheca, buzzing piece corresponds the position in phonate hole bond in the epitheca, be equipped with between epitheca and the inferior valve and be used for preventing that liquid from getting into from clearance between them sealing washer in the shell.

6. The theft protection device of claim 5, wherein: the periphery of epitheca be equipped with size with inferior valve looks adaptation and cover locate the connecting cover outside the inferior valve.

7. The theft protection device of claim 5, wherein: the inferior valve outer wall is equipped with outside convex fixture block, the epitheca is equipped with the orientation the connecting plate that the inferior valve extends, set up the confession on the connecting plate the draw-in groove that the fixture block inserted and the joint.

8. The theft protection device of claim 5, wherein: the upper shell corresponds PCB predetermines straight needle terminal department and offers and is used for supplying the plug with the opening that straight needle terminal is connected, just the opening with be equipped with waterproof construction between the straight needle terminal.

9. The theft protection device of claim 5, wherein: and a supporting block for supporting the PCB is arranged in the lower shell.

10. The theft protection device of claim 1, wherein: the shell is provided with an installation groove which can be installed on the motorcycle by means of a threaded fastener; or an adhesive part for adhering the shell to the motorcycle is arranged on one side of the shell, which is far away from the sound outlet hole.