CN104457404A - Slingshot gun - Google Patents

Abstract

The invention relates to a slingshot gun which comprises a gun pipe, an elastic piece, a ball pocket, a ball clamping piece, a trigger and a handle. One end of the elastic piece is connected with a first end of the gun pipe. The other end of the elastic piece is connected with the ball pocket for wrapping balls. The handle is arranged at a second end of the gun pipe. The ball clamping piece for clamping the ball pocket is arranged on the gun pipe. The trigger is provide with the gun pipe in a penetrating mode and slides in the length direction of the gun pipe to trigger the elastic piece to be closed and opened, so that the ball pocket is maintained and released. Closing and opening of the ball clamping piece are controlled through the trigger, the fact that the ball pocket and the balls wrapped in the ball pocket are kept in the ball clamping piece and are released from the ball clamping piece is achieved, when the slingshot gun is used for aiming a target, the operation that a hand is used for pulling the elastic piece all the time is of no need, waggling is avoided, so that the stability during ball emitting is guaranteed, using is convenient, and target aiming is easy.

Description

Catapult gun

Technical field

The present invention relates to a kind of emitter, particularly relate to a kind of catapult gun launching bullet.

Background technology

Catapult is a kind of cold steel or game tool, is usually used in now in true man CS game.Traditional catapult body generally makes Y-shaped structure, and upper two system rubber band, the skin pocket of a parcel bullet is fastened in rubber band stage casing.In use, pinch the skin pocket wrapping up bullet on the other hand and the rubber band that stretches, another hand-tight handle holding catapult body, unclamps skin pocket and goes out by pellet injection after run-home.The degree of accuracy utilizing this catapult transmitting bullet to hit target depends primarily on the stability of both hands when operating catapult, depends on the technology of individual to a great extent.

Such as Chinese patent 201320776547 discloses a kind of catapult, comprises catapult frame and bullet holder, and described bullet holder is connected with catapult frame by elastic threads, and described bullet holder is bowl-shape, bullet holder second along edge stretch out in circle scoop structure, launch immediately after being convenient to scoop up accumulated snow.Bullet holder front end of the present invention is circle scoop structure, launches immediately after can scooping up accumulated snow easily, launches after being also convenient to also to be convenient to place dress water balloon; Angle between handle and bullet fork is obtuse angle, and catapult can be made to be easier to be held and aim at; The non-slip process of handle, can strengthen the degree of holding with a firm grip of catapult; Tension board be bullet holder in functional component when pulled, more convenient when making to pull the bow, simultaneously elastic threads walks around the hole that connecting rod and bullet holder are formed, and bullet holder can be made more firm.

For another example Chinese patent 201110200881 disclose a kind of can the ball card catapult of multi tension, mainly comprise catapult frame, runner and rotating shaft; In the upper end of catapult frame two-arm, runner is installed, the rubber band be originally fixed on card ball on bow arm is installed on this runner; The both sides of runner are fixed with rotating shaft, and rotating shaft is arranged in the circular hole of catapult frame two-arm upper end with dynamic fit system, make runner and rotating shaft can in catapult frame two-arm synchronous axial system.Like this, pull rubber band that runner just can be driven to realize front and back upset towards different directions, and rubber band is in normal extended state all the time, avoids occurring sharply to bend, and extends the service life of rubber band.Therefore, this catapult had both had the rubber band flexible overturning of tradition bow, maintained again the advantage that protocorm card catapult rubber band is convenient to install.

There is the handle poor stability because holding catapult body in above-mentioned catapult, and not easily penetrates standard target; In addition, pinch skin pocket stretching rubber band on the other hand, the time used due to run-home is longer, and arm and finger last very long stretching rubber band, can ache unavoidably, use inconvenience.

Summary of the invention

Based on this, be necessary operational stability difference for catapult and not easily penetrate standard target, and the larger problem of effort, provide a kind of have preferably stability, be easy to run-home, catapult gun easy to use.

A kind of catapult gun, comprising: gun barrel, elastic component, bullet pocket, folder bullet part, trigger and handle;

One end of described elastic component is connected to the first end of described gun barrel, and its other end is connected with the described bullet pocket for wrapping up bullet, and described handle is arranged at the second end of described gun barrel;

Described folder bullet part for clamping described bullet pocket is arranged at described gun barrel, and described trigger wears described gun barrel and touches described folder bullet part along the slip of described barrel length direction and closes and open to keep and discharge described bullet pocket.

Wherein in an embodiment, described folder bullet part comprises two folder bullet blocks be arranged side by side, and the middle part of each described folder bullet block is rotated and is arranged on described gun barrel;

One end of each described folder bullet block offers the deep-slotted chip breaker of connection, and the other end of each described folder bullet block offers relative holding tank;

Described bullet pocket is placed in described deep-slotted chip breaker;

Described trigger snaps in or departs from described holding tank, for keeping or discharging described bullet pocket.

Wherein in an embodiment, also comprise bow door, described bow door offers bayonet socket, and the first end of described gun barrel is arranged in described bayonet socket, and the described bow door being positioned at described gun barrel both sides is respectively provided with column;

Described elastic component comprises two rubber bands, and one end of two described rubber bands is connected on described column, and the other end of two described rubber bands is connected with described bullet pocket respectively.

Wherein in an embodiment, also comprise rivet, described rivet through described folder bullet block middle part and embed described gun barrel, described folder bullet block with described rivet for axis rotation.

Wherein in an embodiment, the cylindrical structure of described gun barrel.

Wherein in an embodiment, described elastic component is rubber band.

Wherein in an embodiment, described handle has a cavity.

Control described folder bullet part by trigger close and open, the bullet realizing described bullet pocket and parcel thereof remains in described folder bullet part and discharges in described folder bullet part, in the process using above-mentioned catapult gun run-home, without the need to the described elastic component that stretches with hand always, avoid and rock, thus ensure that stability when launching bullet, easy to use and easy run-home.

Accompanying drawing explanation

Fig. 1 is the side view of the catapult gun of one embodiment of the invention;

Fig. 2 presss from both sides the top view that bullet part is in closure state in Fig. 1;

Fig. 3 is the front view bending door in Fig. 1;

Fig. 4 is the section amplification assumption diagram of a-quadrant shown in Fig. 1;

Fig. 5 presss from both sides the top view that bullet part is in open mode in Fig. 1;

Fig. 6 is the structural representation of the coupling assembling that can be applicable in Fig. 1 on gun barrel;

Fig. 7 is the sectional view along B-B line direction in Fig. 6;

Fig. 8 is the side sectional view of second component in coupling assembling in Fig. 6.

Detailed description of the invention

See also Fig. 1 and Fig. 2, it is respectively in the side view of the catapult gun 10 of one embodiment of the invention and Fig. 1 and presss from both sides the top view that bullet part 130 is in closure state.Catapult gun 10 comprises: gun barrel 100, elastic component 110, bullet pocket 120, folder bullet part 130, trigger 140 and handle 150.

One end of elastic component 110 is connected to the first end 101 of gun barrel 100, and the other end of elastic component 110 is connected with the bullet pocket 120 for wrapping up bullet 010, and handle 150 is arranged at the second end 102 of gun barrel 100.Specifically in the present embodiment, elastic component 110 comprises the first rubber band 111 and the second rubber band 112, one end of first rubber band 111 and the interval, one end of the second rubber band 112 are connected to the first end 101 of gun barrel 100, such as, one end of first rubber band 111 and one end of the second rubber band 112 connect a spacer portion respectively, and are connected to the first end 101 of gun barrel 100 by this spacer portion; The other end of the first rubber band 111 and the other end of the second rubber band 112 are connected with bullet pocket 120.The cylindrical structure of gun barrel 100, and for example, gun barrel 100 is in quadrangle column structure.

Please refer to such as Fig. 3, it is the front view bending door 160 in Fig. 1.Stretch due to the first rubber band 111 and the second rubber band 112 and bullet pocket 120 and bullet 010 launched from the first end 101 of gun barrel 100 after unclamping, in order to smooth, the first end 101 of bullet 010 from gun barrel 100 is launched away, play aiming function, the first end 101 of gun barrel 100 is provided with bow door 160 simultaneously.Such as, concrete, bow door 160 offers bayonet socket 161, and the first end 101 of gun barrel 100 is arranged in bayonet socket 161, and the bow door 160 being positioned at gun barrel 100 both sides is respectively arranged with the first column 162 and the second column 163.One end of first rubber band 111 is connected with the first column 162, and the other end of the first rubber band 111 is connected with bullet pocket 120; One end of second rubber band 112 is connected with the second column 163, and the other end of the second rubber band 112 is connected with bullet pocket 120.Like this, the distance at the first column 162 and the second column 163 interval is larger, bullet 010 can be launched between the first column 162 and the second column 163 smoothly, simultaneously, first column 162 and the second column 163 play the effect aiming at reference substance, when run-home, sight line looks over from the direction of the second end 102 to the first end 101 of gun barrel 100, guarantee that intermediate point and the target of bullet 010, first column 162 and the second column 163 form sight alignment, now, the bullet 010 launched easily hits target.

In order to aim at further and hit target, the first end 101 of gun barrel 100 arranges laser sight, the light that this laser sight sends parallels with the length direction of gun barrel 100, when run-home, open laser sight and the laser alignment target of being launched by laser sight, like this, overcome eyes to a certain extent and existing error is positioned to target, can run-home penetrate standard target rapidly.In order to provide electric energy to laser sight, have cavity 151 in handle 150, cavity 151 can place the battery for providing electric energy for laser sight, and the conductor wire between laser sight and battery passes from gun barrel 100 inside.Handle 150 is also provided with switch, and described switch disconnects for the connected sum controlled between laser sight and battery.Such as, described switch is the switch such as push button, slidingtype.

Please refer to Fig. 2 and Fig. 4, wherein, Fig. 4 is the section amplification assumption diagram of a-quadrant shown in Fig. 1.

Be arranged at gun barrel 100 for clamping the folder bullet part 130 playing pocket 120, trigger 140 wears gun barrel 100 and touches folder bullet part 130 along the slip of gun barrel 100 length direction and closes and open to keep and discharge to play pocket 120.Specifically in the present embodiment, gun barrel 100 offers pilot hole 103, trigger 140 is arranged in pilot hole 103, trigger 140 is approximately perpendicular to gun barrel 100, be provided with spring 141 in pilot hole 103, spring 141 is arranged along gun barrel 100 length direction, concrete, one end of spring 141 is fixedly connected on pilot hole 103 inwall of the second end 102 of gun barrel 100, and the other end of spring 141 is fixedly connected on trigger 140.

Folder bullet part 130 comprises middle parts that two the first folder bullet blocks 131 be arranged side by side and the second folder bullet block 132, first press from both sides bullet block 131 and the second folder bullet block 132 and rotates and be arranged on gun barrel 100.One end of first folder bullet block 131 offers one end that the first deep-slotted chip breaker 1311, second presss from both sides bullet block 132 and offers the second deep-slotted chip breaker 1321, first deep-slotted chip breaker 1311 and be communicated with the second deep-slotted chip breaker 1321.When folder bullet part 130 closes, that is, when first folder bullet block 131 and the second folder bullet block 132 are drawn close mutually, the first deep-slotted chip breaker 1311 and the second deep-slotted chip breaker 1321 enclose the accommodating area for accommodating bullet pocket 120, are wrapped in the bullet 010 playing 120 li, pocket and are restricted in described accommodating area.In the present embodiment, the middle part of the first folder bullet block 131 and the second folder bullet block 132 is all equipped with rivet 133, rivet 133 presss from both sides the middle part of bullet block 132 through the first folder bullet block 131 and second and embeds gun barrel 100, and the first folder bullet block 131 and second presss from both sides bullet block 132 with rivet 133 for axis rotation.

The other end of the first folder bullet block 131 offers the other end that the first holding tank 1312, second presss from both sides bullet block 132 and offers the second holding tank 1322, first holding tank 1312 and the second holding tank 1322 is oppositely arranged.When folder bullet part 130 closes, that is, when the first folder bullet block 131 and the second folder bullet block 132 are drawn close mutually, the first holding tank 1312 and the second holding tank 1322 piece together clamp area.Drive trigger 140 to snap in described clamp area by external force, folder bullet part 130 is in closure state, thus the bullet 010 playing pocket 120 and parcel thereof is remained in described accommodating area.Like this, in run-home process, without the need to hand draw springs 110 always, avoid rocking, there is preferably stability, drive trigger 140 to depart from from described clamp area by external force, because elastic component 110 is to the pulling force effect playing pocket 120, first folder bullet block 131 and the second folder bullet block 132 are opened, bullets pocket 120 is discharged, easy to use and easy run-home.

In other embodiments, such as, gun barrel 100 offers pilot hole 103, trigger 140 is arranged in pilot hole 103, and trigger 140 is approximately perpendicular to gun barrel 100, is provided with shell fragment in pilot hole 103, shell fragment is arranged along gun barrel 100 length direction, concrete, one end of shell fragment is fixedly connected on pilot hole 103 inwall of the second end 102 of gun barrel 100, and the other end of shell fragment is fixedly connected on trigger 140.

And for example, gun barrel 100 offers pilot hole 103, trigger 140 is arranged in pilot hole 103, the middle part of trigger 140 is articulated with on the inwall of pilot hole 103, utilize finger to stir trigger 140 along gun barrel 100 length direction also trigger 140 to be snapped in described clamp area and trigger 140 is departed from from described clamp area, realize the closed of folder bullet part 130 and open.

Please refer to Fig. 2 and Fig. 5, wherein, Fig. 5 presss from both sides the top view that bullet part 130 is in open mode in Fig. 1.

In the practical operation of catapult gun 10, first, the right hand is held handle 150 and is pulled trigger 140, described clamp area is departed to make trigger 140, folder bullet part 130 is opened, and bullet 010 is filled to and plays in pocket 120 and pinch bullet pocket 120 draw springs 110 by left hand, is positioned over by bullet pocket 120 in described accommodating area, now, unclamp trigger 140, due to the effect of spring 141, trigger 140 snaps in described clamp area, folder bullet part 130 closes, and plays pocket 120 and remains in described accommodating area.Moreover, sight line looks over from the direction of the second end 102 to the first end 101 of gun barrel 100, guarantee that intermediate point and the target of bullet 010, first column 162 and the second column 163 form sight alignment, pull trigger 140 and depart from described clamp area to make it, due to the elastic force of elastic component 110, play pocket 120 to be released, bullet 010 is launched thereupon.

In order to when unclamping trigger 140, trigger 140 successfully snaps in described clamp area, such as, first folder bullet block 131 and second one end side edge of pressing from both sides near trigger 140 on bullet block 132 have arc angling, preferably, trigger 140 offers arc angling near the side edge of folder bullet part 130, realizes under the effect of spring 141 or under the toggle action of finger, trigger 140 slips into described clamp area smoothly.And for example, first folder bullet block 131 with the second folder bullet block 132 are embedded with the first different magnetic patch 1313 and the second magnetic patch 1323 of two polarity respectively, first magnetic patch 1313 embeds one end sidewall near trigger 140 on the first folder bullet block 131, second magnetic patch 1323 embeds one end sidewall near trigger 140 on the second folder bullet block 132, like this, between the first magnetic patch 1313 and the second magnetic patch 1323 opposing magnetic force effect under, first folder bullet block 131 and the second folder bullet block 132 close, realize under the effect of spring 141 or under the toggle action of finger, trigger 140 slips into described clamp area smoothly.

When catapult gun 10 is applied in play, in order to add up the quantity of the bullet 010 that entrant uses catapult gun 10 to launch and add up, in one embodiment, the first end 101 of gun barrel 100 is provided with inductor, described inductor is photoelectric sensor of the prior art, it is inner and towards elastic component 110 that described photoelectric sensor embeds gun barrel 100, bullet 010 is caught by described photoelectric sensor after launching, coating-forming voltage pulse signal, form a count cycle, the wireless launcher connecting described photoelectric sensor is also equipped with in handle 150, voltage pulse signal is launched by described wireless launcher, statistician utilizes wireless receiver to receive described voltage pulse signal and counts, realize carrying out counting statistics to the bullet 010 that catapult gun 10 is launched in real time at a distance, because the catapult gun 10 used in match has multiple, the voltage pulse signal to each catapult gun 10 sends is needed to encode, be convenient to identify catapult gun 10, also encoder is equipped with in handle 150, for encoding to corresponding catapult gun 10, like this, statistician can identify the catapult gun 10 of all competitions accurately, and then add up the quantity of the bullet 010 that each catapult gun 10 is launched.

Take up room to reduce catapult gun 10, facilitate carrying of catapult gun 10, such as, gun barrel 100 has folding functional, concrete, two parts are blocked at the middle part of gun barrel 100, these two parts are connected by articulated elements, and this articulated elements is arranged on the gun barrel 100 away from folder bullet part 130, realizes the folding functional of gun barrel 100, reduce catapult gun 10 to take up room, be easy to carry.

And for example, the middle part of gun barrel 100 is separated and arranges, such as, be set to two-section, and this two-section is by the detachable connection of coupling assembling 60 as shown in Figure 6.

Coupling assembling 60 comprises the first component 600 and second component 700.

See also Fig. 6 and Fig. 7, the first component 600 comprises pedestal 610, two guiding mechanisms 620 and position-limit mechanism 630.Pedestal 610 is long strip-board shape structure, and pedestal 610 has first end 611 and second end 612 corresponding with first end 611, pedestal 610 offers installing hole 613 and screens hole 614.

Guiding mechanism 620 is strip, its cross section is L-shaped, comprise the first side plate 621 and the second side plate 622, first side plate 621 is connected with the second side plate 622 is L-shaped, first side plate 621 is arranged on pedestal 610, and the bearing of trend of guiding mechanism 620 is consistent with the bearing of trend of pedestal 610, two guiding mechanism 620 intervals are arranged.Screens hole 614 is opened in the first end 611 of pedestal 610, and position-limit mechanism 630 is fixed on the second end 612 of pedestal.

Specifically in the present embodiment, guiding mechanism 620 and pedestal 610 are integrated formed structures.For the ease of processing, the side that guiding mechanism 620 is pedestal 610 is formed towards the one side bending of pedestal 610, the one side of pedestal 610 is fixed with position-limit mechanism 630.Meanwhile, it is better that integrated formed structure makes the first component 600 bear the effect of external force, not easy fracture.It is pointed out that guiding mechanism 620 and pedestal 610 are not limited to integrated formed structure, by the method for welding, the first side plate 621 of guiding mechanism 620 can also be fixed on pedestal 610.

Screens hole 614 is preferably through hole, can also be blind hole.

In the present embodiment, pedestal 610 is provided with containing groove 615, installing hole 613 is opened in bottom containing groove 615, facilitates the head of the fixture of other types such as the threaded fastener such as screw, bolt or riveting parts to be contained in containing groove 615.

See also Fig. 6 and Fig. 8, second component 700 comprises substrate 710, two guide rails 720 and clamping projection 730.

Substrate 710 has insertion end 711 and the joint end 712 corresponding with insertion end 711, two guide rails 720 are arranged on the dual-side of substrate 710 respectively, clamping projection 730 is fixed on joint end 712, substrate 710 offers pilot hole 713, two guide rails 720 slide with two guiding mechanisms 620 clamping respectively, and clamping projection 730 is arranged in screens hole 614.

The width of pedestal 610 reduces gradually along the direction of first end 611 to the second end 612, simultaneously, for coordinating the size of pedestal 610, the width of substrate 710 reduces gradually along the direction of insertion end 711 to joint end 712, just be connected in two guiding mechanisms 620 to make two guide rails 720, be appreciated that the shape of pedestal 610 and substrate 710 also can for the rectangular plate-like of mutually mating.

Concrete in the present embodiment, guide rail 720 is strip plate and one-body molded with substrate 710.The cross section of substrate 710 is generally in trapezoidal, such as, as shown in Fig. 6 and Fig. 8, it has and is similar to trapezoidal shape, when two guide rails 720 are connected in two guiding mechanisms 620 respectively, make trapezoidal upper base slightly protrude from the second side plate 622 or maintain an equal level with the second side plate 622 phase.

Position-limit mechanism 630 be preferably by pedestal 610 near the side of the second end 612 convolution and being formed in the same direction.Position-limit mechanism 630 act as when second component 700 is plugged in the first component 600, when insertion end 711 arrives at the position of the second end 612, position-limit mechanism 630 and guide rail 720 support, and avoid second component 700 to slide along the direction of first end 611 to the second end 612 further.

See also Fig. 8, clamping projection 730 is preferably joint end 712 and bends the structure formed, and clamping projection 730 has the first chamfering inclined-plane 731 and the second chamfering inclined-plane 732, is convenient to clamping projection 730 and slides into and skid off screens hole 614.Be appreciated that clamping projection 730 can also for be welded on substrate 710 near joint end 712 place and towards the projection in screens hole 614.When second component 700 to be plugged in the first component 600 and to support with position-limit mechanism 630, clamping projection 730 is arranged in screens hole 614 just.

In a specific embodiment, the first component 600 and second component 700 are fixedly installed on cross section corresponding to two, the middle part of gun barrel 100 respectively.First component 600 is carried out grafting with second component 700 or departs from combination or the fractionation of the two-section that can realize gun barrel 100.

Second component 700 is plugged in the first component 600, two guide rails just with the clamping of two guiding mechanism 620 phases, and position-limit mechanism 630 can offset with one end of second component 700, second component 700 is avoided to slide along the direction of first end 611 to the second end 612 further, the clamping projection 730 being simultaneously positioned at second component 700 other end just slides into and is arranged in screens hole 614, achieves the firm grafting of second component 700 and the first component 600; By External Force Acting on second component 700 or the first component 600, clamping projection 730 is skidded off in screens hole 614, realize the disengaging of second component 700 and the first component 600.

In the catapult gun of further embodiment of this invention, gun barrel 100 offers guide-track groove, described guide-track groove is offered along the length direction of gun barrel 100, elastic component 110 is for launching spring, described transmitting spring retention is in described guide-track groove, one end of described transmitting spring is connected on the guide-track groove inwall of the first end 101 of gun barrel 100, the other end of described transmitting spring is connected with slide block, described slide block slides along described guide-track groove, described slide block is connected with and plays pocket 120, in the present embodiment, play pocket 120 to be preferably made up of flexible hard material, such as, PET material.

In practical operation, the right hand holds on handle 150 and pulls trigger 140, and to make trigger 140 depart from described clamp area, folder bullet part 130 is opened, bullet 010 is filled to play in pocket 120 and pinch bullet pocket 120 and stretches described transmitting spring by left hand, bullet pocket 120 is positioned in described accommodating area, now, unclamps trigger 140, due to the effect of spring 141, trigger 140 snaps in described clamp area, and folder bullet part 130 closes, and plays pocket 120 and remains in described accommodating area.When launching bullet 010, pull trigger 140 and depart from described clamp area to make it, due to the bounce of described transmitting spring, play pocket 120 and be released, bullet 010 is launched thereupon.In the process of described transmitting spring-return original state, described slide block slides along described guide-track groove, thus ensures that playing pocket 120 moves along a straight line, to make bullet 010 launch reposefully, to ensure degree of accuracy during transmitting.

The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (7)

1. a catapult gun, is characterized in that, comprising: gun barrel, elastic component, bullet pocket, folder bullet part, trigger and handle;

One end of described elastic component is connected to the first end of described gun barrel, and its other end is connected with the described bullet pocket for wrapping up bullet, and described handle is arranged at the second end of described gun barrel;

Described folder bullet part for clamping described bullet pocket is arranged at described gun barrel, and described trigger wears described gun barrel and touches described folder bullet part along the slip of described barrel length direction and closes and open to keep and discharge described bullet pocket.

2. catapult gun according to claim 1, is characterized in that, described folder bullet part comprises two folder bullet blocks be arranged side by side, and the middle part of each described folder bullet block is rotated and is arranged on described gun barrel;

One end of each described folder bullet block offers the deep-slotted chip breaker of connection, and the other end of each described folder bullet block offers relative holding tank;

Described bullet pocket is placed in described deep-slotted chip breaker;

Described trigger snaps in or departs from described holding tank, for keeping or discharging described bullet pocket.

3. catapult gun according to claim 2, is characterized in that, also comprises bow door, and described bow door offers bayonet socket, and the first end of described gun barrel is arranged in described bayonet socket, and the described bow door being positioned at described gun barrel both sides is respectively provided with column;

Described elastic component comprises two rubber bands, and one end of two described rubber bands is connected on described column, and the other end of two described rubber bands is connected with described bullet pocket respectively.

4. catapult gun according to claim 2, is characterized in that, also comprises rivet, described rivet through described folder bullet block middle part and embed described gun barrel, described folder bullet block with described rivet for axis rotation.

5. catapult gun according to claim 1, is characterized in that, the cylindrical structure of described gun barrel.

6. catapult gun according to claim 1, is characterized in that, described elastic component is rubber band.

7. catapult gun according to claim 1, is characterized in that, described handle has a cavity.