CN202485554U

CN202485554U - Firing device of toy electric pneumatic gun

Info

Publication number: CN202485554U
Application number: CN2012201036967U
Authority: CN
Inventors: 林鹏声
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-03-20
Filing date: 2012-03-20
Publication date: 2012-10-10
Anticipated expiration: 2022-03-20

Abstract

The utility model relates to a firing device of a toy electric pneumatic gun and overcomes the defects that the firing device of the toy electric pneumatic gun in the prior art is complex in structure and available for single fire and continuous fire and has no other settable firing modes. According to the technical scheme, the firing device of the toy electric pneumatic gun comprises a cylinder mechanism, an electric drive mechanism, a trigger and a microcomputer control circuit. The cylinder mechanism, the electric drive mechanism, the trigger and the microcomputer control circuit are mounted on a gun shell. The firing device is characterized in that the cylinder mechanism comprises a cylinder barrel, a nozzle at the front end of the cylinder barrel, a piston inside the cylinder barrel, a piston rod at the rear of the piston, and a pressure spring located between the gun shell and the rear of the piston rod. A rack is disposed outside the piston rod. The electric drive mechanism comprises a motor, an incomplete-teeth gear meshing with the rack of the piston rod, and a transmission gear disposed between the motor and the incomplete-teeth gear. The trigger is rotatably fitted on the gun shell. The inner end of the trigger matches with a start switch of the microcomputer control circuit. A hall sensor for monitoring is arranged on the microcomputer control circuit. The incomplete-teeth gear is provided with a permanent magnet matching with the hall sensor, and the microcomputer control circuit is provided with a firing mode selection switch.

Description

A kind of emitter of toy electric air gun

Technical field

The utility model relates to the parts of peashooter, particularly a kind of emitter that adopts the motorized motions cylinder piston, launches the toy electric air gun of toy bullet with air pressure.The utility model also is applicable to the motion air gun.

Background technology

At present existing employing motorized motions cylinder piston near structure, with the emitter of the toy electric air gun of air pressure emission toy bullet; Just like the electric toy gun of No. the 01144130.5th, Chinese patent, structure is that the inner employing level of the gun barrel of gun main body is filled the bullet device to being provided with, and this cylinder interior of filling the bullet device has level to piston cylinder free to advance or retreat; The below of this piston cylinder with level to establishing with tooth bar; Holding of gun main body is provided with power packages in the portion, the driven wheel of its power packages can cooperate or separate for the tooth bar of piston cylinder freely, and switch arm can be opened microswitch when button drew trigger; Cause the motor of power packages to drive driven wheel through two travelling gears successively; Drive tooth bar through driven wheel, the extension elastic force of fitting piston tube internal piston spring speeds the movement velocity of piston cylinder; But the gas pressure toy bullet of being discharged by cylinder outwards penetrates, can single shot and continuous fire.The defective of this kind toy electric air gun emitter: the one, structure is very complicated; The 2nd, have only two kinds of patterns of single shot and continuous fire, other patterns can not be set.

Summary of the invention

There is complex structure in order to overcome to have now with type toy electric air gun emitter; Can only single shot and continuous fire; The defective of other shot pattern can not be set, and the utility model provides a kind of emitter of improved toy electric air gun, can overcome the defective of prior art.

The utility model solves the technical scheme that its technical problem adopted: a kind of emitter of toy electric air gun; Comprise the cylinder mechanism, electric driver mechanism, trigger and the microcomputer control circuit that are installed on the rifle shell; It is characterized in that: wherein cylinder mechanism by the valve that is fixed on cylinder barrel on the rifle shell, cylinder barrel front end, be slidingly fitted in piston in the cylinder barrel, be fixed on the piston rod of piston rear side and be located at the rifle shell and the piston rod rear side between compression spring constitute; The piston rod lateral surface is provided with tooth bar; Electric driver mechanism by be fixed on motor on the rifle shell, be rotatably assorted on the rifle shell and and the hypodontia gear of piston rod tooth bar engagement and be arranged on motor and the hypodontia gear between and the travelling gear that is rotatably assorted on rifle shell or motor shaft constitute; Trigger rotation is engaged on the rifle shell; Microcomputer control circuit is fixed on the rifle shell, and the inner of trigger cooperates with starting switch on the microcomputer control circuit, and microcomputer control circuit is provided with the Hall element of a monitoring usefulness; The hypodontia gear is provided with the permanent magnet that cooperates with Hall element, also is provided with the shot pattern selector switch on the microcomputer control circuit.

The so-called hypodontia gear of technique scheme is only retained one section tooth on a gear exactly, and other tooth has all removed.Sector gear should be regarded as the equivalent technologies characteristic of hypodontia gear.

The microcomputer control circuit of technique scheme; Can constitute by single-chip microcomputer and peripheral starting switch, shot pattern selector switch, Hall element, gauge tap circuit and battery thereof; Wherein starting switch is connected with the triggering signal input of single-chip microcomputer; The shot pattern selector switch connects with the mode signal input that is connected single-chip microcomputer; Hall element is connected with the monitor signal input of single-chip microcomputer, the input of gauge tap circuit and single-chip microcomputer the control signal output be connected, motor is connected with battery through the output of gauge tap circuit.

The shot pattern selector switch of technique scheme; Can comprise semi-automatic emission (promptly detain trigger to releasing trigger process and only launch specific bullets such as 1,2,3 or 4) mode selection switch and emission automatically (promptly detain the continuous emission of trigger to releasing trigger process do not limit send out a bullet) mode selection switch.

The gauge tap circuit of technique scheme, can by photoelectrical coupler with constitute with the FET and the corresponding build-out resistor that is connected of its serial connection.

The GND of technique scheme also is serially connected with fuse and carries out short-circuit protection.

The microcomputer control circuit of technique scheme can also be provided with a duty display circuit by light emitting diode and resistance serial connection, is connected on the demonstration output of single-chip microcomputer.

The beneficial effect of the utility model is: owing to adopt microcomputer control circuit to control emission; So it is quite simple that the mechanism of electric air gun emitter becomes; Help reducing the cost and its fault of minimizing of toy electric air gun, and function ratio is more powerful, is provided with the shot pattern selector switch; Emission mode can have than more options, and is not limited to have only two kinds of single-shot and running fires; Monitor the actual transmission number of times owing to adopt Hall element and permanent magnet on the hypodontia gear to cooperate, signal can not receive the grease and the influence of wear particle on the running gear, and monitoring is accurate, makes the emission control accuracy height of microcomputer control circuit; The utility model also has advantages such as the stability of a system and reliable in action property are high, playability is better.

Below in conjunction with accompanying drawing and embodiment the utility model is done further to describe.

Description of drawings

Fig. 1 is the structural representation of a kind of embodiment of the utility model.

Fig. 2 is a kind of conspectus of the microcomputer control circuit of Fig. 1.

Among the figure: 1, rifle shell; 2, cylinder mechanism; 3, electric driver mechanism; 4, trigger; 5, microcomputer control circuit; 6, cylinder barrel; 7, valve; 8, piston; 9, piston rod; 10, compression spring; 11, tooth bar; 12, motor; 13, hypodontia gear; 14,15 and 16, travelling gear; 17, the inner of trigger; 18, starting switch; 19, Hall element; 20, permanent magnet.

The specific embodiment

With reference to Fig. 1; The emitter of this toy electric air gun; Comprise the cylinder mechanism 2, electric driver mechanism 3, trigger 4 and the microcomputer control circuit 5 that are installed on the rifle shell 1; It is characterized in that: wherein cylinder mechanism 2 by the valve 7 that is fixed on cylinder barrel 6 on the rifle shell, cylinder barrel 6 front ends, be slidingly fitted in piston 8 in the cylinder barrel 6, be fixed on the piston rod 9 of piston 8 rear sides and be located at rifle shell 1 and piston rod 9 rear sides between compression spring 10 constitute; Piston rod 9 lateral surfaces are provided with tooth bar 11; Electric driver mechanism 3 by be fixed on motor 12 on the rifle shell 1, be rotatably assorted on the rifle shell 1 and and the hypodontia gear 13 of the tooth bar of piston rod 9 11 engagements and be arranged on motor 12 and hypodontia gear 13 between and be rotatably assorted and constitute at the travelling gear on the rifle shell 1 or on the motor 12 14,15 and 16; Trigger 4 is rotatably assorted on rifle shell 1; Microcomputer control circuit 5 is fixed on the rifle shell 1, and the inner 17 of trigger 1 cooperates with starting switch 18 on the microcomputer control circuit 5, and microcomputer control circuit 5 is provided with the Hall element 19 of a monitoring usefulness; Hypodontia gear 13 is provided with the permanent magnet 20 that cooperates with Hall element 19, also is provided with shot pattern selector switch (being located on the trailing flank of Fig. 1) on the microcomputer control circuit 5.

With reference to Fig. 2; Microcomputer control circuit is made up of single-chip microcomputer IC and peripheral starting switch K1, shot pattern selector switch K2, K3 and K4, Hall element H, gauge tap circuit and the battery E thereof of model SN8P2711A; Wherein starting switch K1 is connected with triggering signal input 7 pin of single-chip microcomputer IC; Mode selection switch K2, K3, K4 are connected with

mode signal input

4,3,2 pin of single-chip microcomputer IC respectively; Hall element H is connected with monitor signal input 8 pin of single-chip microcomputer IC; The input of gauge tap circuit and single-chip microcomputer IC

control signal output

5,6 pin be connected, motor M is connected with battery E through output FET VT1, the VT2 of gauge tap circuit.In addition, the gauge tap circuit by photoelectrical coupler U1 with the FET VT1 of its serial connection and the corresponding build-out resistor R1 that is connected～R4, photoelectrical coupler U2 with constitute with the FET VT2 and the corresponding build-out resistor R5 that the is connected～R8 of its serial connection; Wherein shot pattern selector switch K2, K3 be semi-automatic emission (promptly detain trigger to releasing trigger process only launch 1,2,3 or 4 specific bullets) mode selection switch, shot pattern selector switch K4 is automatically emission (promptly detain the continuous emission of trigger to releasing trigger process do not limit send out a bullet) mode selection switch; Battery E negative pole also is serially connected with fuse F; Microcomputer control circuit also is provided with a duty display circuit by light emitting diode D and resistance R 9 serial connections, is connected on demonstration output 9 pin of single-chip microcomputer IC; VCC end on the microcomputer control circuit inserts the dc source that requires respectively.

During use, the emitter of this toy electric air gun is installed on the toy electric air gun rifle body.With reference to Fig. 1～Fig. 2, K4 opens when the shot pattern selector switch, and microcomputer control circuit is in semi-automatic emission state; At this moment through select setting shot pattern selector switch K2 and K3 opens, K2 and K3 is closed, K2 opens the K3 closure or K2 closure K3 opens state, can select trigger to the releasing trigger process of detaining of semi-automatic pattern only to launch 1,2,3 or 4 shooting mode; When detaining trigger 4, the inner 17 of trigger 1 drives starting switch 18 closures then, and 7 pin of single-chip microcomputer IC obtain enabling signal and bring into operation; Single-chip microcomputer IC reads the information that is provided with of 4,3 pin, and by the 6 pin output low levels of single-chip microcomputer IC, VT1 ends through photoelectrical coupler U1 control FET; Releasing is to the short circuit at motor M the two poles of the earth; Promptly remove braking, by the 5 pin output high level of single-chip microcomputer IC, control FET VT2 conducting simultaneously through photoelectrical coupler U2 to motor M; At this moment battery E supplies power to motor M, and drive motors M rotates; Motor M drives hypodontia gear 13 duplicate gear behind through travelling gear 14,15 and 16 then, rotates thereby drive hypodontia gear 13, and hypodontia gear 13 rotates a week; The tooth section that has on it just overcomes the elastic force do motion backward of compression spring 10 through tooth bar 11 and piston rod 9 driven plunger 8; At this moment cylinder barrel 6 air inlets, when hypodontia gear 13 goes to anodontia section when cooperating with tooth bar 11, the elastic force of compression spring 10 just driven plunger 8 travels forward; At this moment eject from valve 7 after the gas in the cylinder barrel 6 is compressed; The emission of driving toy bullet, i.e. in a moving week of hypodontia gear 13 revolutions, the toy electric air gun is just launched a bullet; Hypodontia gear 13 revolutions move a week; Permanent magnet 20 on it just through Hall element 19 to count signal of 8 pin of single-chip microcomputer IC input, when the number and the setting of shot pattern selector switch K2 and K3 of count signal were identical, 6 pin of single-chip microcomputer IC were just exported high level; Through photoelectrical coupler U1 control FET VT1 conducting; Short circuit is carried out at motor M the two poles of the earth, and promptly to the braking of motor M, 5 pin of single-chip microcomputer IC become the output high level simultaneously; VT2 ends through photoelectrical coupler U2 control FET, and battery E does not supply power to motor M; Then trigger 4 discharges, and starting switch 18 is opened, and single-chip microcomputer IC is out of service.When shot pattern selector switch K4 closure, microcomputer control circuit 5 just is in automatic emission state, and at this moment the Hall element 19 on shot pattern selector switch K2, K3 and 8 pin on 4 of single-chip microcomputer IC, 3 pin is inoperative; When detaining trigger 4, the inner 17 of trigger 1 drives starting switch 18 closures, and 7 pin of single-chip microcomputer IC obtain enabling signal and bring into operation; Single-chip microcomputer IC reads the set information of 2 pin, and by the 6 pin output low levels of single-chip microcomputer IC, VT1 ends through photoelectrical coupler U1 control FET; Releasing is promptly removed the braking to motor M to the short circuit at motor M the two poles of the earth, exports high level by 5 pin of single-chip microcomputer IC simultaneously; Through photoelectrical coupler U2 control FET VT2 conducting, at this moment battery E supplies power to motor M, and drive motors M rotates continuously; Gas in the cylinder barrel 6 is back and forth compressed the back continuously and is ejected from valve 7, drives toy bullet and launches continuously; When releasing trigger 4, starting switch 18 is opened, and single-chip microcomputer IC is out of service, and motor M stops operating, and the toy electric air gun stops emission.When microcomputer control circuit was started working and be in proper working order, light emitting diode D continued luminous; When job failure appears in microcomputer control circuit, just as detain trigger 4 and surpass 0.3 second and do not accomplish that also an emission circulatory system stops to drive etc., fault has been informed in light emitting diode D flicker at this moment.

Claims

1. the emitter of a toy electric air gun; Comprise the cylinder mechanism, electric driver mechanism, trigger and the microcomputer control circuit that are installed on the rifle shell; It is characterized in that: wherein cylinder mechanism by the valve that is fixed on cylinder barrel on the rifle shell, cylinder barrel front end, be slidingly fitted in piston in the cylinder barrel, be fixed on the piston rod of piston rear side and be located at the rifle shell and the piston rod rear side between compression spring constitute; The piston rod lateral surface is provided with tooth bar; Electric driver mechanism by be fixed on motor on the rifle shell, be rotatably assorted on the rifle shell and and the hypodontia gear of piston rod tooth bar engagement and be arranged on motor and the hypodontia gear between and the travelling gear that is rotatably assorted on rifle shell or motor shaft constitute; Trigger rotation is engaged on the rifle shell; Microcomputer control circuit is fixed on the rifle shell, and the inner of trigger cooperates with starting switch on the microcomputer control circuit, and microcomputer control circuit is provided with the Hall element of a monitoring usefulness; The hypodontia gear is provided with the permanent magnet that cooperates with Hall element, also is provided with the shot pattern selector switch on the microcomputer control circuit.

2. press the emitter of the described toy electric air gun of claim 1; It is characterized in that said microcomputer control circuit is made up of single-chip microcomputer and peripheral starting switch, shot pattern selector switch, Hall element, gauge tap circuit and battery thereof; Wherein starting switch is connected with the triggering signal input of single-chip microcomputer; The shot pattern selector switch connects with the mode signal input that is connected single-chip microcomputer; Hall element is connected with the monitor signal input of single-chip microcomputer, the input of gauge tap circuit and single-chip microcomputer the control signal output be connected, motor is connected with battery through the output of gauge tap circuit.

3. by the emitter of the described toy electric air gun of claim 2, it is characterized in that said shot pattern selector switch comprises semi-automatic emission mode selector switch and automatic emission mode selector switch.

4. by the emitter of claim 2 or 3 described toy electric air guns, it is characterized in that said gauge tap circuit, can by photoelectrical coupler with constitute with the FET and the corresponding build-out resistor that is connected of its serial connection.

5. by the emitter of claim 2 or 3 described toy electric air guns, it is characterized in that said microcomputer control circuit is provided with a duty display circuit by light emitting diode and resistance serial connection, is connected on the demonstration output of single-chip microcomputer.

6. by the emitter of claim 2 or 3 described toy electric air guns, it is characterized in that said GND is serially connected with fuse.