US20150354919A1 - Dual-barrel air gun and bullet duct switching device - Google Patents
Dual-barrel air gun and bullet duct switching device Download PDFInfo
- Publication number
- US20150354919A1 US20150354919A1 US14/575,570 US201414575570A US2015354919A1 US 20150354919 A1 US20150354919 A1 US 20150354919A1 US 201414575570 A US201414575570 A US 201414575570A US 2015354919 A1 US2015354919 A1 US 2015354919A1
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- US
- United States
- Prior art keywords
- valve core
- locating
- switching device
- spring
- slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
- F41B11/70—Details not provided for in F41B11/50 or F41B11/60
- F41B11/72—Valves; Arrangement of valves
- F41B11/721—Valves; Arrangement of valves for controlling gas pressure for both firing the projectile and for loading or feeding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
- F41A21/06—Plural barrels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
- F41B11/70—Details not provided for in F41B11/50 or F41B11/60
- F41B11/72—Valves; Arrangement of valves
- F41B11/723—Valves; Arrangement of valves for controlling gas pressure for firing the projectile only
Definitions
- the present invention relates to the field of air guns, in particular to a dual-barrel air gun and a bullet duct switching device thereof.
- the objective of the present invention is to provide a dual-barrel air gun and a bullet duct switching device to overcome the defects in the prior art.
- a dual-barrel air gun with two barrels and a bullet duct switching device for switching the barrels of the dual-barrel air gun are provided. Barrels of different calibers can be configured according to need, so the gun can shoot bullets of plural calibers, and shoot through any single barrel or both barrels according to need.
- the present invention has the advantages that: the barrels are conveniently and accurately switched and the two barrels are difficult to bend.
- a bullet duct switching device of the present invention comprising: a valve core, a locating plate and a locating structure; the valve core is rotationally connected to a gun body and connected with air channels through the locating plate along the central axis of the valve core, the valve core is at least provided with a first through-hole corresponding to one air channel; and the locating structure is disposed at the gun body and limits the rotation direction of the valve core.
- the further improvement of the present invention lies in that said locating structure comprises a locating piece and one or plural notches formed at the upper part of the valve core; and the valve core is limited in the rotation direction through the locating piece and the notches.
- the further improvement of the present invention lies in that, the locating piece comprises a rod portion and a stopper end formed at the end of the rod portion, and the shape of the stopper end is matched with the inner side of the notch.
- the locating structure also comprises a first spring; a first end of the first spring is connected to the gun body; a second end of the first spring presses the locating piece; the locating piece receives pressurization from the first spring and presses the circumference surface of the valve core where the notch is located along the radial direction of the valve core.
- the further improvement of the present invention lies in that the rod portion has a lateral side or a bottom face formed with a pressing end, and the first spring is pressed between the pressing end and the gun body.
- the locating structure also comprises a backup plate; a first surface of the backup plate is fixed at the gun body; a second surface of the backup plate is matched with the first end portion of the first spring, and the first end of the first spring is connected with the gun body through the backup plate.
- the further improvement of the present invention lies in that, the upper part of the valve core is formed with plural convex fins extending outward along the radial direction; the convex fins are distributed at intervals along the outer circumference of the valve core; the notch is formed at the convex fins, and the outer sides of the convex fins are matched with the stopper end.
- the further improvement of the present invention lies in that, the rod portion is vertical to the air duct, and the notch is corresponding to the perpendicular bisector of the first through-hole.
- the further improvement of the present invention lies in that the notches are V-shaped.
- the further improvement of the present invention lies in that, the bottom face of the locating plate is formed with a projecting locating ring; the outer edges of convex fins are matched with the inner circle of the locating ring; and the locating ring is formed with an opening at a position corresponding to the stopper end.
- the further improvement of the present invention lies in that, a first sealing ring is also included; the outer periphery of the valve core being recessed to form one or plural first ring slots; and the first sealing ring being respectively sleeved in the first ring slot.
- the further improvement of the present invention lies in that the top of the valve core is formed with a rotary handle.
- the further improvement of the present invention lies in that, the middle part of the locating plate is formed with a second through-hole and the rotating handle, and the rotating handle extends out through the second through-hole.
- the further improvement of the present invention lies in that, the shape of the second through-hole is matched with the projection shape of the valve core in the axis direction, and when the first through-hole runs through the air channel, the second through-hole stops the valve core.
- valve core is formed with two the first through-holes that are vertical or parallel to each other.
- a dual-barrel air gun of the present invention comprising a gun body, barrels connected to the gun body and a pneumatic mechanism, with the gun body forming the air channel; a first end of the air channel is connected with the pneumatic mechanism, and a second end of the air channel is connected with the bullet ducts of the barrels; the barrels and the air channels number 2 each.
- the dual-barrel air gun also comprises the bullet duct switching device of the present invention; the bullet duct switching device is connected with the air channels, and each air channel is switched on or off through the bullet switching device.
- the further improvement of the present invention lies in that, the gun body is formed with a first mounting slot; the first mounting slot has an opening at one end and is connected with the air channel; and the valve core is rotationally disposed in the first mounting slot through the locating plate along the central axis of the valve core.
- the further improvement of the present invention lies in that, the gun body is formed with a second mounting slot next to the opening of the first mounting slot; and the locating piece is disposed in the second mounting slot.
- the second mounting slot comprises a guide slot; the width of the guide slot is matched with the rod portion, and the rod portion is disposed in the guide slot.
- the further improvement of the present invention lies in that the guide slot has an opening at the outer end.
- the further improvement of the present invention lies in that, a sleeve is also included; the sleeve has a barrel hole along the length direction, the cross section of the barrel hole is shaped as two spheres with middle parts connected, and the sleeve is sleeved outside the two barrels through the barrel hole.
- the further improvement of the present invention lies in that, a flat iron is also included; a first end of the flat iron forming a locating slot matched with the sleeve, a second end of the flat iron being formed with two third through-holes which are respectively matched with the two barrels, the locating slot being connected with the two third through-holes; the barrels extending out from the tube hole of the first end of the sleeve and being inserted and fixed in the third through-holes, the end portion and outer wall of the first end of the sleeve and being closely adhered to and fixed at the wall of the locating slot, respectively; and the barrels being connected with the gun body through the flat iron.
- the further improvement of the present invention lies in that, the flat iron is pivoted with the gun body through a rotating shaft, and the flat iron and the gun body are located through a locating component.
- the further improvement of the present invention lies in that the end portions of the barrels inserted in the third through-holes are each sleeved with a second sealing ring.
- the locating component comprises a movable dog, a second spring, a fixing piece and fixed dog;
- the flat iron is formed with a third mounting slot;
- the fixing piece, the second spring and the movable dog are disposed in the third mounting slot;
- the fixing piece and the third mounting slot are in fixed connection;
- the movable dog has a long slot in the middle part;
- the movable dog is fixed in the third mounting slot through a locating rod which is penetrated into the long slot;
- the second spring is pressed between the first end of the fixing piece and the first end of the movable dog;
- the fixed dog corresponds to the movable dog, the first end of the fixed dog is fixed at the gun body;
- the second end of the fixed dog and the second end of the movable dog are cone-shaped; and when the air channels are connected with the bullet duct, the upper surface of the second end of the movable dog is pressed and located by the lower surface of the second end of the fixed dog.
- the further improvement of the present invention lies in that, the middle part of the first end of the fixing piece is formed with a boss matched with the inner diameter of the second spring; the periphery of the boss is recessed to form a second ring slot; the width of the second ring slot is matched with the line diameter of the second spring; and the first end of the second spring is pressed in the second ring slot and sleeved on the periphery of the boss.
- the further improvement of the present invention lies in that, the first end of the movable dog is recessed to form a spring slot, and the second end of the second spring is pressed in the spring slot.
- the gun body comprises a female connector;
- the female connector comprises a connecting base and connecting plates that are each formed on two sides of the connecting base;
- the connecting base forms the first mounting slot, the air channel and the second mounting slot;
- the send end of the flat iron is inserted between and adhered to the connecting plates;
- the connecting plates and the second end of the flat iron form a fourth through-hole matched mutually, and the flat iron and the female connector are pivoted through the rotating shaft inserted in the fourth through-hole.
- the locating plate is used to rotationally connect the valve core to the gun body along the central axis of the valve core and locate the air channel of the gun body that is connected with the valve core; and the locating structure is used to limit the rotation direction of the valve core.
- the first through-hole is used to connect with the air channel.
- the locating plate, the locating structure and the valve core are mutually matched to realize control over the switching on and off of the air channels, thus realizing the switching of the air channels.
- the shape of the stopper end is matched with the inner sides of the notches such that the stopper end can be stably located in the notches after being inserted therein.
- the first face of the backup plate is fixed at the gun body, and the second face of the backup plate is matched with the end portion of the first end of the first spring, thus preventing the deviation of the spring force direction of the first spring caused by the unevenness of the end portion of the first spring and ensuring that the first spring outputs the spring force along the radial direction of the valve core.
- the upper part of the valve core is formed with plural convex fins extending outward along the radial direction; the notches are formed on the convex fins.
- Use of the convex fins increases the compression degree of the first spring such that the first spring can provide a bigger spring force to the locating piece and ensure that the stopper end can be firmly fixed in the notches after being clamped in the notches, thus guaranteeing the location stability of the bullet duct switching device.
- the convex fins are distributed at intervals along the outer circle of the valve core, and recessed areas are formed between the convex fins. The recessed areas reduce the compression degree of the first spring, and then the spring provides a smaller spring force in those areas.
- the outer sides of the convex fins are matched with the stopper end.
- the rod portion is vertical to the air channels, and the notches correspond to the position of the perpendicular bisector of the first through-hole.
- the notches are V-shaped, ensuring that the locating piece can automatically reciprocate close to the circumference of the valve core (if there are convex fins, including the outer edges of the convex fins) along the radial direction of the valve core when the valve rotates.
- the shape of the second through-hole is matched with the projection shape of the valve core in the central axis direction, so the valve core can be taken out through the second through-hole when rotating to the angle where its projection is corresponding to the shape of the second through-hole, and can also be fixed by the locating plate in the first mounting slot at an angle where its projection is not corresponding to the shape of the second through-hole.
- the two barrels, the two air channels and the bullet duct switching device are matched with one another in use, realizing the dual-barrel air gun capable of switching the air bullet duct.
- the first mounting slot is used to accommodate the valve core.
- the second mounting slot is used to accommodate the locating piece.
- the guide slot is used to accommodate the rod portion and guide the rod portion to move.
- the opening at the outer end of the guide slot ensures that there is enough space for accommodating the rod portion of the locating rod when the stopper end slides to the outer edges of the convex fins.
- Use of the sleeve increases the strength of the barrels and solves the problem that fine barrels are easily bent.
- the cross section of the barrel hole is shaped like two spheres with middle parts connected, and then the sleeve can generate flexible deformation through the barrel hole to match with the barrels when the diameters of the barrels have deviations, so exchange of the sleeve is not needed and costs are saved due to the high degree of universality.
- the flat iron is used for connection between the barrels and the gun body.
- the locating component is used to locate the flat iron and the gun body.
- the third mounting slot is used to install the fixing piece, the second spring and the movable dog.
- the second spring is used to push the movable dog out.
- the second spring is used in combination with the long slot such that the movable dog can shrink into the third mounting slot along the direction of the long slot when receiving a big enough external force and automatically extend out when not stressed and match with the fixed dog to realize the automatic location and clamping of the flat iron and the gun body after the barrels are filled with bullets and reset.
- the pneumatic mechanism is used to generate the pneumatic pressure to provide the power for shooting bullets.
- FIG. 1 is a schematic view of the connection structure of the bullet duct switching device and the gun body in the first embodiment of the present invention.
- FIG. 2 is a top view of the connection structure of the bullet duct switching device and the gun body in the first embodiment of the present invention.
- FIG. 3 is a structural view of the valve core in the first embodiment of the present invention.
- FIG. 4 is a lateral view of FIG. 3 .
- FIG. 5 is a top view of FIG. 3 .
- FIG. 6 is a structural view of the top surface structure of the locating plate in the first embodiment of the present invention.
- FIG. 7 is a structural view of the bottom surface structure of the locating plate in the first embodiment of the present invention.
- FIG. 8 is a structural view of the lateral section structure of the locating plate in the first embodiment of the present invention.
- FIG. 9 is a structural view of the locating piece in the first embodiment of the present invention.
- FIG. 10 is a schematic view of the general structure of the dual-barrel air gun in the first embodiment of the present invention.
- FIG. 11 is a schematic view of the inner structure of the dual-barrel air gun without the handle in the first embodiment of the present invention.
- FIG. 12 is a top view of the inner structure of the dual-barrel air gun without the handle in the first embodiment of the present invention.
- FIG. 13 is a top view of the bending structure for filling bullets of the dual-barrel air gun without the handle in the first embodiment of the present invention.
- FIG. 14 is a structural view of the sleeve in the first embodiment of the present invention.
- FIG. 15 is a sectional view of the sleeve in the first embodiment of the present invention.
- FIG. 16 is a structural view of the flat iron in the embodiment of the present invention.
- FIG. 17 is a schematic view of the structure that connects the flat iron with the barrels and the gun body in the first embodiment of the present invention.
- FIG. 18 is a structural view of the female connector in the first embodiment of the present invention.
- FIG. 19 is a top view of the structure of the female connector in the first embodiment of the present invention.
- FIG. 20 is a lateral view of the structure of the female connector in the first embodiment of the present invention.
- FIG. 21 is a schematic view of the connection structure of the bullet duct switching device and the gun body in the second embodiment of the present invention.
- FIG. 22 is a top view of the connection structure of the bullet duct switching device and the gun body in the second embodiment of the present invention.
- FIG. 23 is a top view of the structure of the locating piece in the second embodiment of the present invention.
- FIG. 24 is a lateral view of the structure of the locating piece in the second embodiment of the present invention.
- a bullet duct switching device 1 in embodiment 1 of the present invention comprises a valve core 11 , a locating plate 12 and a locating structure 13 ; the valve core 11 is rotationally connected to a gun body 2 along the central axis of the valve core 11 through the locating plate 12 and is connected with the air channels 312 of the gun body 2 , and the valve core 11 is at least formed with a first through-hole 111 corresponding to one air channel 312 .
- the locating structure 13 is used to limit the rotation direction of the valve core 11 .
- the first through-hole 111 is used to connect with the air channel 312 .
- the locating plate 12 , the locating structure 13 and the valve core 11 are mutually matched to realize control over the switching on and off of the air channels 312 , thus realizing the switching of the air channels 312 .
- the locating structure 13 comprises a locating piece 131 and two notches 1121 which are formed at the upper part of the valve core 11 and correspond to the position of the perpendicular bisector of the first through-hole 111 ; and the valve core 11 is limited in the rotation direction through the locating piece 131 and the notches 1121 .
- the locating structure 13 also comprises a first spring 132 ; the first end of the first spring 132 is connected with the gun body 2 ; the second end of the first spring 132 presses the locating piece 131 ; the locating piece 131 receives the pressure from the first spring 132 and presses the circumference surface of the valve core 11 where the notches 1121 are located along the radial direction of the valve core 11 .
- the first spring 132 forces the locating piece 131 to press the circumference surface of the valve core 11 where the notches 1121 are located along the radial direction of the valve core 11 , so when the notches 1121 rotate to be corresponding to the position of the stopper end 1311 of the locating piece 131 , the stopper end 1311 is automatically clamped in and presses the notches 1121 , realizing location of the valve core 11 with the locating piece 131 .
- the valve core 11 forms two first through-holes 111 vertical to each other.
- the upper part of the valve core 11 is formed with plural convex fins 112 extending outward along the radial direction.
- the convex fins 112 are distributed at intervals along the outer circumference of the valve core 11 .
- the notches 1121 are formed on the convex fins 112 .
- the outer sides of the convex fins 112 are matched with the stopper end 1311 .
- the notches 1121 are V-shaped.
- the outer periphery of the valve core 11 is recessed to form one or plural first ring slots 113 .
- two first ring slots 113 are formed; and the first sealing rings 114 are each sleeved in the first ring slots 113 .
- the top of the valve core 11 forms a rotating handle 115 .
- the convex fins 112 increases the compression degree of the first spring 132 such that the first spring 132 can provide a bigger spring force to the locating piece 131 and ensure that the stopper 1311 can be firmly fixed in the notches 1121 after being clamped in the notches 1121 , thus guaranteeing the location stability of the bullet duct switching device 1 ; the convex fins 112 are distributed at intervals along the outer circumference of the valve core 11 to form recessed areas between the adjacent convex fins 112 , and when the stopper end 1311 moves into the recessed area, the first spring 132 is compressed less and then provides a smaller spring force in this area.
- the outer sides of the convex fins 112 are matched with the stopper end 1311 , and the notches 1121 are V-shaped, ensuring that when the valve core 11 rotates, the locating piece 131 can automatically reciprocate close to the circumference of the valve core 11 (if there are convex fins 112 including the outer edges of the convex fins) along the radial direction of the valve core 11 .
- the locating piece 131 comprises a rod portion 1312 and a stopper end 1311 formed at the end of the rod portion 1312 .
- the shape of the stopper end 1311 is matched with the inner sides of the notches 1121 .
- One lateral side of the rod portion 1312 forms a pressing end 1313 .
- the first spring 132 is pressed between the pressing terminal 1313 and the gun body 2 .
- the rod portion 1312 is vertical to the air channels 312 .
- the shape of the stopper end 1311 is matched with the inner sides of the notches 1121 such that the stopper end 1311 can be stably located in the notches 1121 after being inserted therein.
- the bottom face of the locating plate 12 forms a convex locating ring 121 .
- the outer edges of the convex fins 112 are matched with the inner circle of the locating ring 121 ; and the locating ring 121 forms an opening at a position corresponding to the stopper end 1311 .
- the middle form of the locating plate 12 is formed with a second through-hole 122 , and the rotating handle 115 extends out via the second through-hole 122 .
- the shape of the second through-hole 122 is matched with the projection shape of the valve core 11 in the axis direction, and when the first through-hole 122 switches the air channel 312 , the edge of the second through-hole 122 limits the valve core 11 .
- the locating plate 12 is used to rotationally connect the valve core 11 to the gun body 2 along the central axis of the valve core 11 and locate the air duct 312 of the gun body 2 that is connected by the valve core 11 .
- the shape of the second through-hole 122 of the locating plate 12 is at an angle of 45° to the projection shape of the valve core 11 in the central axis direction when the first through-hole 111 switches on the air channel 312 .
- the shape of the second through-hole 122 is matched with the projection shape of the valve core 11 in the central axis direction, so the valve core 11 can be taken out through the second through-hole 111 when rotating to the angle where its projection is corresponding to the shape of the second through-hole 122 , and can also be fixed by the locating plate 12 in the first mounting slot 311 at an angle where its projection is not corresponding to the shape of the second through-hole 122 .
- the bullet duct switching device 1 of the present invention can be applied to guns using high pressure air for power, for example air guns, BB guns, paintball guns, and police guns.
- a dual-barrel air gun of the present invention comprises a gun body 2 , barrels 5 connected to the gun body 2 and a pneumatic mechanism 4 ; the gun body 2 forms air channels 312 ; the first end of each of the air channels 312 are connected with the pneumatic mechanism 4 , and the second end of each of the air channels 312 can be connected with the bullet ducts of the barrels 5 ; and the barrels 5 and the air channels 312 number two each.
- the dual-barrel air gun also comprises the bullet duct switching device 1 of the present invention; the bullet duct switching device 1 is connected with the air channels 312 ; and the air channels 312 are switched on or off through the bullet duct switching device 1 .
- the two barrels 5 , the two air channels 312 and the bullet duct switching device 1 are matched with one another in use, realizing the dual-barrel air gun capable of switching the air bullet duct.
- a sleeve 6 is also included.
- the sleeve 6 forms a barrel hole 61 along the direction of its length.
- the cross section of the barrel hole 61 is shaped like two spheres with middle parts connected.
- the sleeve 6 is sleeved outside the two barrels 5 through the barrel hole 61 .
- Use of the sleeve 6 increases the strength of the barrels 5 and solves the problem that fine barrels 5 are easily bent.
- the cross section of the barrel hole 61 is shaped like two spheres with middle parts connected, and then the sleeve 6 can generate flexible deformation through the barrel hole 61 to match with the barrels 5 when the diameters of the barrels 5 have deviations, so exchanging sleeve 6 is not needed and costs are saved due to the high degree of universality.
- the middle part of the female connector can be formed with pin holes and fastened by pin rods.
- a flat iron 7 is also included.
- the first end of the flat iron 7 forms a locating slot 71 matched with the sleeve 6
- the second end of the flat iron 7 forms two third through-holes 72 which are each matched with the two barrels 5 .
- the locating slot 71 is connected with the two third through-holes 72 .
- the barrels 5 extend out via the barrel hole 61 at the first end of the sleeve 6 and are inserted and fixed in the third through-holes 72 , the end portion and the outer wall of the first end of the sleeve 6 are each adhered to and fixed at the wall of the locating slot 71 ; and the barrels 5 are connected with the gun body 2 through the flat iron 7 .
- the flat iron 7 is pivoted with the gun body 2 through a pivoting shaft 9 . Moreover, the flat iron 7 and the gun body 2 are located through a locating component 8 .
- the flat iron 7 is used to connect the gun barrels 5 and the gun body 2 .
- the locating component 8 is used to locate the flat iron 7 and the gun body 2 .
- the ends of the barrels 5 inserted in the third through-holes 72 are each sleeved with a second sealing ring 51 .
- the flat iron 7 and the sleeve 6 are matched with each other to bear the pressure generated when the barrels 5 are turned along the rotating shaft 9 in the bullet filling process and further prevent the barrels 5 from bending because of their being stressed.
- the locating component 8 is comprised of a movable dog 81 , a second spring 82 , a fixing piece 83 and a fixed dog 84 .
- the flat iron 7 forms a third mounting slot 73 .
- the fixing piece 83 , the second spring 82 and the movable dog 81 are disposed in the third mounting slot 73 .
- the fixing piece 83 is fixedly connected with the third mounting slot 73 .
- the movable dog 81 has a long slot in the middle part.
- the movable dog 81 is fixed in the third mounting slot 73 through the locating rod that is penetrated into the long slot.
- the second spring 82 is pressed between the first end of the fixing piece 83 and the first end of the movable dog 81 .
- the fixed dog 84 corresponds to the movable dog 81 , and the first end of the fixed dog 84 is fixed at the gun body 2 .
- the second end of the fixed dog 84 and the second end of the movable dog 81 are cone-shaped. And, when the air channels 312 are connected with the bullet duct, the upper surface of the second end of the movable dog 81 is pressed and located by the lower surface of the second end of the fixed dog 84 .
- the third mounting slot 73 is used to install the fixing piece 83 , the second spring 82 and the movable dog 81 .
- the second spring 82 is used to push the movable dog 81 out.
- the second spring 82 is used in combination with the long slot such that the movable dog 81 can shrink into the third mounting slot 73 along the direction of the long slot when receiving a large enough external force, and automatically extend out when not stressed and match with the fixed dog 84 to realize the automatic location and clamping of the flat iron 7 and the gun body 2 after the barrels 5 are filled with bullets and reset.
- the middle part of the first end of the fixing piece 83 forms a boss 831 matched with the inner diameter of the second spring 82 ; the outer periphery of the boss 831 is recessed to form a second ring slot; the width of the second ring slot is matched with the line diameter of the second spring 82 ; the first end of the second spring 82 is pressed in the second ring slot and is sleeved at the outer periphery of the boss 831 .
- the first end of the movable dog 81 is recessed to form a spring slot, and the second end of the second spring 82 is pressed in the spring slot.
- the gun body 2 comprises a female connector 3 ;
- the female connector 3 comprises a connecting base 31 and connecting plates 32 which are respectively formed on two sides of the connecting base 31 ;
- the connecting base 31 forms the first mounting slot 311 , the air channels 312 and the second mounting slot 313 ;
- one end of the first mounting slot 311 has an opening and is connected with the air channels 312 ;
- the valve core 11 is rotationally disposed in the first mounting slot 311 along the central axis of the valve core 11 through the locating plate 12 .
- the second mounting slot 313 is formed next to the opening of the first mounting slot 311 (in other embodiments, the first mounting slot 311 and the second mounting slot 313 can be directly formed at the gun body 2 ); and the locating piece 131 is disposed in the second mounting slot 313 .
- the second mounting slot 313 comprises a guide slot 3131 ; the width of the guide slot 3131 is matched with the rod portion 1312 ; and the rod portion 1312 is disposed in the guide slot 3131 .
- the guide slot 3131 has an opening at the outer end.
- the guide slot 3131 is used to accommodate the rod portion 1312 and guide the rod portion 1312 to move.
- the opening at the outer end of the guide slot 3131 ensures that there is enough space for accommodating the rod portion 1312 of the locating rod 131 when the stopper end 1311 slides to the outer edges of the convex fins 112 .
- the second end of the flat iron 7 is inserted between the connecting plates 32 and adhered to the connecting plates 32 .
- the connecting plates 32 and the second end of the flat iron 7 form a fourth through-hole matched mutually; moreover, the flat iron 7 and the female connector 3 are pivoted through the rotating shaft 9 in the fourth through-hole.
- the two barrels 5 are fixed on the flat iron 7 ; and the openings of the barrels 5 close to the gun body 2 are provided with the second sealing rings 51 on the periphery.
- the entire combination of the barrels 5 , the sleeve 6 and the flat iron 7 can be dismantled at the same time for filling bullets.
- the structure of the dual-barrel air gun in the process of filling the bullets can refer to FIG. 13 .
- the barrels 5 When reset, the barrels 5 are jointed and connected with the air channels 312 of the female connector 3 ; the female connector 3 is equipped with a valve core 11 ; the valve core 11 is sleeved with two first sealing rings 114 for sealing; the locating plate 12 is fixed at the female connector 3 through screws; the V-shaped notches 1121 at the upper part of the valve core 11 are clamped by the stopper end 1311 of the locating piece 131 ; and the locating piece can be extended by the action of the first spring 132 .
- valve core 11 When the two first through-holes 111 of the valve core 11 are vertical to each other, the valve core 11 is sleeved with the first sealing ring 114 and inserted into the first mounting slot 311 and then rotates by 45°, and one notch 1121 of the valve core 11 is clamped by the stopper 1311 . In such circumstances, one first through-hole 111 vertical to the locating piece 131 is connected with the corresponding air channel 312 .
- one first through-hole 111 at the upper part of the valve core 11 that is connected with the air channel 312 Take one first through-hole 111 at the upper part of the valve core 11 that is connected with the air channel 312 as an example: one first through-hole 111 at the upper part of the valve core 11 is connected with an air channel 312 at the corresponding upper part; in such circumstances, the high pressure air impacts the bullet in one barrel 5 at the corresponding upper part through the connected air channel 312 at the upper part to shoot; at this moment, the other air channel 312 at the lower part is blocked by the valve core 11 , and even if the barrel 5 at the lower part corresponding to the blocked air channel 312 is filled with the bullet, the bullet will not shoot through impact.
- the valve core 11 rotates again by 90°, the other notch 1121 of the valve core 11 is clamped by the stopper end 1311 .
- one first through-hole 111 at the lower part is connected to one corresponding lower air channel 312 , and the high pressure air impacts the bullet in one corresponding lower barrel 5 through the lower air channel 312 to short, and the upper air channel 312 is blocked, so even if there is a bullet in the barrel 5 at the upper part, the bullet will not short through impact.
- the diameter of the two barrels 5 may be set to be identical according to the requirements, or two barrels 5 with different diameters may be used.
- the two barrels 5 in this embodiment are arrayed in a longitudinal way. In other embodiments, the barrels can be transversely disposed upon demand.
- the valve core 11 can be shaped as a cylinder, cone, rectangle, oval, etc.
- a bullet duct switching device 1 in the second embodiment of the present invention has a structure basically the same as that in embodiment, and is different in that: the bottom face of the rod portion 1312 extends outward to form the pressing end 1313 .
- the locating structure 13 also comprises a backup plate 133 ; the first face of the backup plate 133 is fixed at the gun body 2 ; the second face of the backup plate 133 is matched with the end portion of the first end of the first spring 132 ; and the first end of the first spring 132 is connected with the gun body 2 through the backup plate 133 .
- the first face of the backup plate 133 is fixed at the gun body 2 , and the second face of the backup plate 133 is matched with the end portion of the first end of the first spring 132 , thus preventing the deviation of the spring force direction of the first spring 132 caused by the unevenness of the end portion of the first spring 132 and ensuring that the first spring 132 outputs the spring force along the radial direction of the valve core 11 .
- a bullet duct switching device in the third embodiment of the present invention has a structure basically the same as that in embodiment, and the difference lies in that: the valve core 11 forms two first through-holes 111 parallel to each other.
- the valve core 11 is sleeved with the first sealing ring 114 and inserted into the first mounting slot 311 and then rotates by 45°, and one notch 1121 of the valve core 11 is clamped by the stopper end 1311 .
- the two first through-holes 111 are respectively connected with the corresponding air channels 312 , and the dual-barrel air gun can shoot through the two barrels 5 at the same time.
- a bullet duct switching device in the fourth embodiment of the present invention 1 has a structure basically the same as that in the first embodiment, and the difference lies in that: the valve core 11 only forms one first through-hole 111 corresponding to one air channel 312 111 . In such circumstances, the valve core 11 only controls the switching on and off of the air channel 312 corresponding to the first through-hole 111 , and the other air channel 312 is kept off.
- a bullet duct switching device in the fifth embodiment of the present invention has a structure basically the same as that in the first embodiment, and the difference lies in that: the dual-barrel air gun comprises two bullet duct switching devices 1 of the present invention 1 ; the bullet duct switching devices 1 are respectively connected with an air channel 312 , and the air channels 312 are switched on or off through the corresponding bullet duct switching devices 1 .
- the female connector 3 forms two first mounting slots 311 ; each first mounting slot 311 has an opening at one end and is connected with an air channel 312 ; two valve cores 11 are rotationally disposed in the corresponding first mounting slots 311 through a locating plate 12 along the central axis of the valve cores 11 .
- the female connector 3 forms a second mounting slot 313 next to the opening of each of the two first mounting slots 311 ; and two locating pieces 131 are disposed in the corresponding second mounting slots 313 . In such circumstances, each bullet duct switching device 1 can only control the on and off of the corresponding air channel 312 .
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Abstract
Description
- 1. Technical Field
- The present invention relates to the field of air guns, in particular to a dual-barrel air gun and a bullet duct switching device thereof.
- 2. Description of Related Art
- In the field of guns, no dual-barrel air gun appears at present, so the guns can only be matched with the bullets of proper calibers. In addition, for those skilled in this field, if an air gun structure with two barrels is used, such air gun has the problem that a single barrel has a smaller diameter and is easy to bend and deform, as well as the problem of lacking a device that can accurately and conveniently switch the required barrels to shoot from.
- The objective of the present invention is to provide a dual-barrel air gun and a bullet duct switching device to overcome the defects in the prior art. A dual-barrel air gun with two barrels and a bullet duct switching device for switching the barrels of the dual-barrel air gun are provided. Barrels of different calibers can be configured according to need, so the gun can shoot bullets of plural calibers, and shoot through any single barrel or both barrels according to need. Moreover, the present invention has the advantages that: the barrels are conveniently and accurately switched and the two barrels are difficult to bend.
- The technical solution for realizing the above object is as follows:
- A bullet duct switching device of the present invention is provided, comprising: a valve core, a locating plate and a locating structure; the valve core is rotationally connected to a gun body and connected with air channels through the locating plate along the central axis of the valve core, the valve core is at least provided with a first through-hole corresponding to one air channel; and the locating structure is disposed at the gun body and limits the rotation direction of the valve core.
- The further improvement of the present invention lies in that said locating structure comprises a locating piece and one or plural notches formed at the upper part of the valve core; and the valve core is limited in the rotation direction through the locating piece and the notches.
- The further improvement of the present invention lies in that, the locating piece comprises a rod portion and a stopper end formed at the end of the rod portion, and the shape of the stopper end is matched with the inner side of the notch.
- The further improvement of the present invention lies in that, the locating structure also comprises a first spring; a first end of the first spring is connected to the gun body; a second end of the first spring presses the locating piece; the locating piece receives pressurization from the first spring and presses the circumference surface of the valve core where the notch is located along the radial direction of the valve core.
- The further improvement of the present invention lies in that the rod portion has a lateral side or a bottom face formed with a pressing end, and the first spring is pressed between the pressing end and the gun body.
- The further improvement of the present invention lies in that, the locating structure also comprises a backup plate; a first surface of the backup plate is fixed at the gun body; a second surface of the backup plate is matched with the first end portion of the first spring, and the first end of the first spring is connected with the gun body through the backup plate.
- The further improvement of the present invention lies in that, the upper part of the valve core is formed with plural convex fins extending outward along the radial direction; the convex fins are distributed at intervals along the outer circumference of the valve core; the notch is formed at the convex fins, and the outer sides of the convex fins are matched with the stopper end.
- The further improvement of the present invention lies in that, the rod portion is vertical to the air duct, and the notch is corresponding to the perpendicular bisector of the first through-hole.
- The further improvement of the present invention lies in that the notches are V-shaped.
- The further improvement of the present invention lies in that, the bottom face of the locating plate is formed with a projecting locating ring; the outer edges of convex fins are matched with the inner circle of the locating ring; and the locating ring is formed with an opening at a position corresponding to the stopper end.
- The further improvement of the present invention lies in that, a first sealing ring is also included; the outer periphery of the valve core being recessed to form one or plural first ring slots; and the first sealing ring being respectively sleeved in the first ring slot.
- The further improvement of the present invention lies in that the top of the valve core is formed with a rotary handle.
- The further improvement of the present invention lies in that, the middle part of the locating plate is formed with a second through-hole and the rotating handle, and the rotating handle extends out through the second through-hole.
- The further improvement of the present invention lies in that, the shape of the second through-hole is matched with the projection shape of the valve core in the axis direction, and when the first through-hole runs through the air channel, the second through-hole stops the valve core.
- The further improvement of the present invention lies in that the valve core is formed with two the first through-holes that are vertical or parallel to each other.
- A dual-barrel air gun of the present invention is provided, comprising a gun body, barrels connected to the gun body and a pneumatic mechanism, with the gun body forming the air channel; a first end of the air channel is connected with the pneumatic mechanism, and a second end of the air channel is connected with the bullet ducts of the barrels; the barrels and the
air channels number 2 each. The dual-barrel air gun also comprises the bullet duct switching device of the present invention; the bullet duct switching device is connected with the air channels, and each air channel is switched on or off through the bullet switching device. - The further improvement of the present invention lies in that, the gun body is formed with a first mounting slot; the first mounting slot has an opening at one end and is connected with the air channel; and the valve core is rotationally disposed in the first mounting slot through the locating plate along the central axis of the valve core.
- The further improvement of the present invention lies in that, the gun body is formed with a second mounting slot next to the opening of the first mounting slot; and the locating piece is disposed in the second mounting slot.
- The further improvement of the present invention lies in that, the second mounting slot comprises a guide slot; the width of the guide slot is matched with the rod portion, and the rod portion is disposed in the guide slot.
- The further improvement of the present invention lies in that the guide slot has an opening at the outer end.
- The further improvement of the present invention lies in that, a sleeve is also included; the sleeve has a barrel hole along the length direction, the cross section of the barrel hole is shaped as two spheres with middle parts connected, and the sleeve is sleeved outside the two barrels through the barrel hole.
- The further improvement of the present invention lies in that, a flat iron is also included; a first end of the flat iron forming a locating slot matched with the sleeve, a second end of the flat iron being formed with two third through-holes which are respectively matched with the two barrels, the locating slot being connected with the two third through-holes; the barrels extending out from the tube hole of the first end of the sleeve and being inserted and fixed in the third through-holes, the end portion and outer wall of the first end of the sleeve and being closely adhered to and fixed at the wall of the locating slot, respectively; and the barrels being connected with the gun body through the flat iron.
- The further improvement of the present invention lies in that, the flat iron is pivoted with the gun body through a rotating shaft, and the flat iron and the gun body are located through a locating component.
- The further improvement of the present invention lies in that the end portions of the barrels inserted in the third through-holes are each sleeved with a second sealing ring.
- The further improvement of the present invention lies in that, the locating component comprises a movable dog, a second spring, a fixing piece and fixed dog; the flat iron is formed with a third mounting slot; the fixing piece, the second spring and the movable dog are disposed in the third mounting slot; the fixing piece and the third mounting slot are in fixed connection; the movable dog has a long slot in the middle part; the movable dog is fixed in the third mounting slot through a locating rod which is penetrated into the long slot; the second spring is pressed between the first end of the fixing piece and the first end of the movable dog; the fixed dog corresponds to the movable dog, the first end of the fixed dog is fixed at the gun body; the second end of the fixed dog and the second end of the movable dog are cone-shaped; and when the air channels are connected with the bullet duct, the upper surface of the second end of the movable dog is pressed and located by the lower surface of the second end of the fixed dog.
- The further improvement of the present invention lies in that, the middle part of the first end of the fixing piece is formed with a boss matched with the inner diameter of the second spring; the periphery of the boss is recessed to form a second ring slot; the width of the second ring slot is matched with the line diameter of the second spring; and the first end of the second spring is pressed in the second ring slot and sleeved on the periphery of the boss.
- The further improvement of the present invention lies in that, the first end of the movable dog is recessed to form a spring slot, and the second end of the second spring is pressed in the spring slot.
- The further improvement of the present invention lies in that, the gun body comprises a female connector; the female connector comprises a connecting base and connecting plates that are each formed on two sides of the connecting base; the connecting base forms the first mounting slot, the air channel and the second mounting slot; the send end of the flat iron is inserted between and adhered to the connecting plates; the connecting plates and the second end of the flat iron form a fourth through-hole matched mutually, and the flat iron and the female connector are pivoted through the rotating shaft inserted in the fourth through-hole.
- The present invention employing the above technical solution has the following beneficial effects:
- The locating plate is used to rotationally connect the valve core to the gun body along the central axis of the valve core and locate the air channel of the gun body that is connected with the valve core; and the locating structure is used to limit the rotation direction of the valve core. The first through-hole is used to connect with the air channel. The locating plate, the locating structure and the valve core are mutually matched to realize control over the switching on and off of the air channels, thus realizing the switching of the air channels. The shape of the stopper end is matched with the inner sides of the notches such that the stopper end can be stably located in the notches after being inserted therein. Use of the first spring forces the locating piece to press the circumference surface of the valve core where the notches are located along the radial direction of the valve core, so when the notches rotate to be corresponding to the position of the stopper end of the locating piece, the stopper end is automatically clamped in and presses the notches, realizing location of the valve core by the locating piece. The first face of the backup plate is fixed at the gun body, and the second face of the backup plate is matched with the end portion of the first end of the first spring, thus preventing the deviation of the spring force direction of the first spring caused by the unevenness of the end portion of the first spring and ensuring that the first spring outputs the spring force along the radial direction of the valve core. The upper part of the valve core is formed with plural convex fins extending outward along the radial direction; the notches are formed on the convex fins. Use of the convex fins increases the compression degree of the first spring such that the first spring can provide a bigger spring force to the locating piece and ensure that the stopper end can be firmly fixed in the notches after being clamped in the notches, thus guaranteeing the location stability of the bullet duct switching device. The convex fins are distributed at intervals along the outer circle of the valve core, and recessed areas are formed between the convex fins. The recessed areas reduce the compression degree of the first spring, and then the spring provides a smaller spring force in those areas. In this way, the user can easily implement the rotation operation this area in the process of switching the bullet duct through rotating the valve core, and the operation of switching the bullet duct is more labor-saving. The outer sides of the convex fins are matched with the stopper end. The rod portion is vertical to the air channels, and the notches correspond to the position of the perpendicular bisector of the first through-hole. The notches are V-shaped, ensuring that the locating piece can automatically reciprocate close to the circumference of the valve core (if there are convex fins, including the outer edges of the convex fins) along the radial direction of the valve core when the valve rotates. The shape of the second through-hole is matched with the projection shape of the valve core in the central axis direction, so the valve core can be taken out through the second through-hole when rotating to the angle where its projection is corresponding to the shape of the second through-hole, and can also be fixed by the locating plate in the first mounting slot at an angle where its projection is not corresponding to the shape of the second through-hole. The two barrels, the two air channels and the bullet duct switching device are matched with one another in use, realizing the dual-barrel air gun capable of switching the air bullet duct. The first mounting slot is used to accommodate the valve core. The second mounting slot is used to accommodate the locating piece. The guide slot is used to accommodate the rod portion and guide the rod portion to move. The opening at the outer end of the guide slot ensures that there is enough space for accommodating the rod portion of the locating rod when the stopper end slides to the outer edges of the convex fins. Use of the sleeve increases the strength of the barrels and solves the problem that fine barrels are easily bent. The cross section of the barrel hole is shaped like two spheres with middle parts connected, and then the sleeve can generate flexible deformation through the barrel hole to match with the barrels when the diameters of the barrels have deviations, so exchange of the sleeve is not needed and costs are saved due to the high degree of universality. The flat iron is used for connection between the barrels and the gun body. The locating component is used to locate the flat iron and the gun body. The third mounting slot is used to install the fixing piece, the second spring and the movable dog. The second spring is used to push the movable dog out. The second spring is used in combination with the long slot such that the movable dog can shrink into the third mounting slot along the direction of the long slot when receiving a big enough external force and automatically extend out when not stressed and match with the fixed dog to realize the automatic location and clamping of the flat iron and the gun body after the barrels are filled with bullets and reset. The pneumatic mechanism is used to generate the pneumatic pressure to provide the power for shooting bullets.
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FIG. 1 is a schematic view of the connection structure of the bullet duct switching device and the gun body in the first embodiment of the present invention. -
FIG. 2 is a top view of the connection structure of the bullet duct switching device and the gun body in the first embodiment of the present invention. -
FIG. 3 is a structural view of the valve core in the first embodiment of the present invention. -
FIG. 4 is a lateral view ofFIG. 3 . -
FIG. 5 is a top view ofFIG. 3 . -
FIG. 6 is a structural view of the top surface structure of the locating plate in the first embodiment of the present invention. -
FIG. 7 is a structural view of the bottom surface structure of the locating plate in the first embodiment of the present invention. -
FIG. 8 is a structural view of the lateral section structure of the locating plate in the first embodiment of the present invention. -
FIG. 9 is a structural view of the locating piece in the first embodiment of the present invention. -
FIG. 10 is a schematic view of the general structure of the dual-barrel air gun in the first embodiment of the present invention. -
FIG. 11 is a schematic view of the inner structure of the dual-barrel air gun without the handle in the first embodiment of the present invention. -
FIG. 12 is a top view of the inner structure of the dual-barrel air gun without the handle in the first embodiment of the present invention. -
FIG. 13 is a top view of the bending structure for filling bullets of the dual-barrel air gun without the handle in the first embodiment of the present invention. -
FIG. 14 is a structural view of the sleeve in the first embodiment of the present invention. -
FIG. 15 is a sectional view of the sleeve in the first embodiment of the present invention. -
FIG. 16 is a structural view of the flat iron in the embodiment of the present invention. -
FIG. 17 is a schematic view of the structure that connects the flat iron with the barrels and the gun body in the first embodiment of the present invention. -
FIG. 18 is a structural view of the female connector in the first embodiment of the present invention. -
FIG. 19 is a top view of the structure of the female connector in the first embodiment of the present invention. -
FIG. 20 is a lateral view of the structure of the female connector in the first embodiment of the present invention. -
FIG. 21 is a schematic view of the connection structure of the bullet duct switching device and the gun body in the second embodiment of the present invention. -
FIG. 22 is a top view of the connection structure of the bullet duct switching device and the gun body in the second embodiment of the present invention. -
FIG. 23 is a top view of the structure of the locating piece in the second embodiment of the present invention. -
FIG. 24 is a lateral view of the structure of the locating piece in the second embodiment of the present invention. - The invention is described in further detail with reference to the following embodiments.
- Refer to
FIG. 1 andFIG. 2 . A bulletduct switching device 1 inembodiment 1 of the present invention comprises avalve core 11, a locatingplate 12 and a locatingstructure 13; thevalve core 11 is rotationally connected to agun body 2 along the central axis of thevalve core 11 through the locatingplate 12 and is connected with theair channels 312 of thegun body 2, and thevalve core 11 is at least formed with a first through-hole 111 corresponding to oneair channel 312. The locatingstructure 13 is used to limit the rotation direction of thevalve core 11. The first through-hole 111 is used to connect with theair channel 312. The locatingplate 12, the locatingstructure 13 and thevalve core 11 are mutually matched to realize control over the switching on and off of theair channels 312, thus realizing the switching of theair channels 312. - Refer to
FIG. 2 andFIG. 5 . In this embodiment, the locatingstructure 13 comprises a locatingpiece 131 and twonotches 1121 which are formed at the upper part of thevalve core 11 and correspond to the position of the perpendicular bisector of the first through-hole 111; and thevalve core 11 is limited in the rotation direction through the locatingpiece 131 and thenotches 1121. The locatingstructure 13 also comprises afirst spring 132; the first end of thefirst spring 132 is connected with thegun body 2; the second end of thefirst spring 132 presses the locatingpiece 131; the locatingpiece 131 receives the pressure from thefirst spring 132 and presses the circumference surface of thevalve core 11 where thenotches 1121 are located along the radial direction of thevalve core 11. - Use of the
first spring 132 forces the locatingpiece 131 to press the circumference surface of thevalve core 11 where thenotches 1121 are located along the radial direction of thevalve core 11, so when thenotches 1121 rotate to be corresponding to the position of thestopper end 1311 of the locatingpiece 131, thestopper end 1311 is automatically clamped in and presses thenotches 1121, realizing location of thevalve core 11 with the locatingpiece 131. - Refer to
FIGS. 1-5 andFIG. 9 . In this embodiment, thevalve core 11 forms two first through-holes 111 vertical to each other. The upper part of thevalve core 11 is formed with pluralconvex fins 112 extending outward along the radial direction. Theconvex fins 112 are distributed at intervals along the outer circumference of thevalve core 11. Thenotches 1121 are formed on theconvex fins 112. The outer sides of theconvex fins 112 are matched with thestopper end 1311. Thenotches 1121 are V-shaped. The outer periphery of thevalve core 11 is recessed to form one or pluralfirst ring slots 113. In this embodiment, twofirst ring slots 113 are formed; and the first sealing rings 114 are each sleeved in thefirst ring slots 113. The top of thevalve core 11 forms arotating handle 115. - Use of the
convex fins 112 increases the compression degree of thefirst spring 132 such that thefirst spring 132 can provide a bigger spring force to the locatingpiece 131 and ensure that thestopper 1311 can be firmly fixed in thenotches 1121 after being clamped in thenotches 1121, thus guaranteeing the location stability of the bulletduct switching device 1; theconvex fins 112 are distributed at intervals along the outer circumference of thevalve core 11 to form recessed areas between the adjacentconvex fins 112, and when thestopper end 1311 moves into the recessed area, thefirst spring 132 is compressed less and then provides a smaller spring force in this area. In this way, the user can easily implement the rotation operation this area in the process of switching the bullet duct through rotating thevalve core 11, and the operation of switching the bullet duct is more labor-saving. The outer sides of theconvex fins 112 are matched with thestopper end 1311, and thenotches 1121 are V-shaped, ensuring that when thevalve core 11 rotates, the locatingpiece 131 can automatically reciprocate close to the circumference of the valve core 11 (if there areconvex fins 112 including the outer edges of the convex fins) along the radial direction of thevalve core 11. - Refer to
FIGS. 1 , 2, 5 and 9. The locatingpiece 131 comprises arod portion 1312 and astopper end 1311 formed at the end of therod portion 1312. The shape of thestopper end 1311 is matched with the inner sides of thenotches 1121. One lateral side of therod portion 1312 forms apressing end 1313. Thefirst spring 132 is pressed between thepressing terminal 1313 and thegun body 2. In this embodiment, therod portion 1312 is vertical to theair channels 312. The shape of thestopper end 1311 is matched with the inner sides of thenotches 1121 such that thestopper end 1311 can be stably located in thenotches 1121 after being inserted therein. - Refer to
FIG. 1 andFIGS. 5-9 . The bottom face of the locatingplate 12 forms aconvex locating ring 121. The outer edges of theconvex fins 112 are matched with the inner circle of the locatingring 121; and the locatingring 121 forms an opening at a position corresponding to thestopper end 1311. The middle form of the locatingplate 12 is formed with a second through-hole 122, and therotating handle 115 extends out via the second through-hole 122. The shape of the second through-hole 122 is matched with the projection shape of thevalve core 11 in the axis direction, and when the first through-hole 122 switches theair channel 312, the edge of the second through-hole 122 limits thevalve core 11. The locatingplate 12 is used to rotationally connect thevalve core 11 to thegun body 2 along the central axis of thevalve core 11 and locate theair duct 312 of thegun body 2 that is connected by thevalve core 11. In this embodiment, the shape of the second through-hole 122 of the locatingplate 12 is at an angle of 45° to the projection shape of thevalve core 11 in the central axis direction when the first through-hole 111 switches on theair channel 312. - The shape of the second through-
hole 122 is matched with the projection shape of thevalve core 11 in the central axis direction, so thevalve core 11 can be taken out through the second through-hole 111 when rotating to the angle where its projection is corresponding to the shape of the second through-hole 122, and can also be fixed by the locatingplate 12 in thefirst mounting slot 311 at an angle where its projection is not corresponding to the shape of the second through-hole 122. - The bullet
duct switching device 1 of the present invention can be applied to guns using high pressure air for power, for example air guns, BB guns, paintball guns, and police guns. - Refer to
FIGS. 10-13 . A dual-barrel air gun of the present invention comprises agun body 2,barrels 5 connected to thegun body 2 and apneumatic mechanism 4; thegun body 2 formsair channels 312; the first end of each of theair channels 312 are connected with thepneumatic mechanism 4, and the second end of each of theair channels 312 can be connected with the bullet ducts of thebarrels 5; and thebarrels 5 and theair channels 312 number two each. The dual-barrel air gun also comprises the bulletduct switching device 1 of the present invention; the bulletduct switching device 1 is connected with theair channels 312; and theair channels 312 are switched on or off through the bulletduct switching device 1. The twobarrels 5, the twoair channels 312 and the bulletduct switching device 1 are matched with one another in use, realizing the dual-barrel air gun capable of switching the air bullet duct. - Refer to
FIGS. 14 , 15 and 17. Asleeve 6 is also included. Thesleeve 6 forms abarrel hole 61 along the direction of its length. The cross section of thebarrel hole 61 is shaped like two spheres with middle parts connected. And thesleeve 6 is sleeved outside the twobarrels 5 through thebarrel hole 61. Use of thesleeve 6 increases the strength of thebarrels 5 and solves the problem thatfine barrels 5 are easily bent. The cross section of thebarrel hole 61 is shaped like two spheres with middle parts connected, and then thesleeve 6 can generate flexible deformation through thebarrel hole 61 to match with thebarrels 5 when the diameters of thebarrels 5 have deviations, so exchangingsleeve 6 is not needed and costs are saved due to the high degree of universality. The middle part of the female connector can be formed with pin holes and fastened by pin rods. - Refer to
FIGS. 16 and 17 . Aflat iron 7 is also included. The first end of theflat iron 7 forms a locatingslot 71 matched with thesleeve 6, while the second end of theflat iron 7 forms two third through-holes 72 which are each matched with the twobarrels 5. The locatingslot 71 is connected with the two third through-holes 72. Thebarrels 5 extend out via thebarrel hole 61 at the first end of thesleeve 6 and are inserted and fixed in the third through-holes 72, the end portion and the outer wall of the first end of thesleeve 6 are each adhered to and fixed at the wall of the locatingslot 71; and thebarrels 5 are connected with thegun body 2 through theflat iron 7. - The
flat iron 7 is pivoted with thegun body 2 through a pivotingshaft 9. Moreover, theflat iron 7 and thegun body 2 are located through a locating component 8. Theflat iron 7 is used to connect thegun barrels 5 and thegun body 2. The locating component 8 is used to locate theflat iron 7 and thegun body 2. The ends of thebarrels 5 inserted in the third through-holes 72 are each sleeved with asecond sealing ring 51. - The
flat iron 7 and thesleeve 6 are matched with each other to bear the pressure generated when thebarrels 5 are turned along therotating shaft 9 in the bullet filling process and further prevent thebarrels 5 from bending because of their being stressed. - The locating component 8 is comprised of a
movable dog 81, asecond spring 82, a fixingpiece 83 and a fixeddog 84. Theflat iron 7 forms athird mounting slot 73. The fixingpiece 83, thesecond spring 82 and themovable dog 81 are disposed in the third mountingslot 73. The fixingpiece 83 is fixedly connected with the third mountingslot 73. Themovable dog 81 has a long slot in the middle part. Themovable dog 81 is fixed in the third mountingslot 73 through the locating rod that is penetrated into the long slot. Thesecond spring 82 is pressed between the first end of the fixingpiece 83 and the first end of themovable dog 81. The fixeddog 84 corresponds to themovable dog 81, and the first end of the fixeddog 84 is fixed at thegun body 2. The second end of the fixeddog 84 and the second end of themovable dog 81 are cone-shaped. And, when theair channels 312 are connected with the bullet duct, the upper surface of the second end of themovable dog 81 is pressed and located by the lower surface of the second end of the fixeddog 84. - The
third mounting slot 73 is used to install the fixingpiece 83, thesecond spring 82 and themovable dog 81. Thesecond spring 82 is used to push themovable dog 81 out. Thesecond spring 82 is used in combination with the long slot such that themovable dog 81 can shrink into the third mountingslot 73 along the direction of the long slot when receiving a large enough external force, and automatically extend out when not stressed and match with the fixeddog 84 to realize the automatic location and clamping of theflat iron 7 and thegun body 2 after thebarrels 5 are filled with bullets and reset. - The middle part of the first end of the fixing
piece 83 forms aboss 831 matched with the inner diameter of thesecond spring 82; the outer periphery of theboss 831 is recessed to form a second ring slot; the width of the second ring slot is matched with the line diameter of thesecond spring 82; the first end of thesecond spring 82 is pressed in the second ring slot and is sleeved at the outer periphery of theboss 831. - The first end of the
movable dog 81 is recessed to form a spring slot, and the second end of thesecond spring 82 is pressed in the spring slot. - Refer to
FIGS. 5 , 9, 17-20. In this embodiment, thegun body 2 comprises afemale connector 3; thefemale connector 3 comprises a connectingbase 31 and connectingplates 32 which are respectively formed on two sides of the connectingbase 31; the connectingbase 31 forms thefirst mounting slot 311, theair channels 312 and thesecond mounting slot 313; one end of thefirst mounting slot 311 has an opening and is connected with theair channels 312; and thevalve core 11 is rotationally disposed in thefirst mounting slot 311 along the central axis of thevalve core 11 through the locatingplate 12. Thesecond mounting slot 313 is formed next to the opening of the first mounting slot 311 (in other embodiments, thefirst mounting slot 311 and thesecond mounting slot 313 can be directly formed at the gun body 2); and the locatingpiece 131 is disposed in thesecond mounting slot 313. Thesecond mounting slot 313 comprises aguide slot 3131; the width of theguide slot 3131 is matched with therod portion 1312; and therod portion 1312 is disposed in theguide slot 3131. Theguide slot 3131 has an opening at the outer end. Theguide slot 3131 is used to accommodate therod portion 1312 and guide therod portion 1312 to move. The opening at the outer end of theguide slot 3131 ensures that there is enough space for accommodating therod portion 1312 of the locatingrod 131 when thestopper end 1311 slides to the outer edges of theconvex fins 112. - The second end of the
flat iron 7 is inserted between the connectingplates 32 and adhered to the connectingplates 32. The connectingplates 32 and the second end of theflat iron 7 form a fourth through-hole matched mutually; moreover, theflat iron 7 and thefemale connector 3 are pivoted through therotating shaft 9 in the fourth through-hole. - In this embodiment, the two
barrels 5 are fixed on theflat iron 7; and the openings of thebarrels 5 close to thegun body 2 are provided with the second sealing rings 51 on the periphery. The entire combination of thebarrels 5, thesleeve 6 and theflat iron 7 can be dismantled at the same time for filling bullets. The structure of the dual-barrel air gun in the process of filling the bullets can refer toFIG. 13 . When reset, thebarrels 5 are jointed and connected with theair channels 312 of thefemale connector 3; thefemale connector 3 is equipped with avalve core 11; thevalve core 11 is sleeved with two first sealing rings 114 for sealing; the locatingplate 12 is fixed at thefemale connector 3 through screws; the V-shapednotches 1121 at the upper part of thevalve core 11 are clamped by thestopper end 1311 of the locatingpiece 131; and the locating piece can be extended by the action of thefirst spring 132. - Refer to
FIGS. 1 , 5, 9 and 17. When the two first through-holes 111 of thevalve core 11 are vertical to each other, thevalve core 11 is sleeved with thefirst sealing ring 114 and inserted into thefirst mounting slot 311 and then rotates by 45°, and onenotch 1121 of thevalve core 11 is clamped by thestopper 1311. In such circumstances, one first through-hole 111 vertical to the locatingpiece 131 is connected with thecorresponding air channel 312. Take one first through-hole 111 at the upper part of thevalve core 11 that is connected with theair channel 312 as an example: one first through-hole 111 at the upper part of thevalve core 11 is connected with anair channel 312 at the corresponding upper part; in such circumstances, the high pressure air impacts the bullet in onebarrel 5 at the corresponding upper part through the connectedair channel 312 at the upper part to shoot; at this moment, theother air channel 312 at the lower part is blocked by thevalve core 11, and even if thebarrel 5 at the lower part corresponding to the blockedair channel 312 is filled with the bullet, the bullet will not shoot through impact. When thevalve core 11 rotates again by 90°, theother notch 1121 of thevalve core 11 is clamped by thestopper end 1311. In such circumstances, one first through-hole 111 at the lower part is connected to one correspondinglower air channel 312, and the high pressure air impacts the bullet in one correspondinglower barrel 5 through thelower air channel 312 to short, and theupper air channel 312 is blocked, so even if there is a bullet in thebarrel 5 at the upper part, the bullet will not short through impact. - In this embodiment, the diameter of the two
barrels 5 may be set to be identical according to the requirements, or twobarrels 5 with different diameters may be used. The twobarrels 5 in this embodiment are arrayed in a longitudinal way. In other embodiments, the barrels can be transversely disposed upon demand. Thevalve core 11 can be shaped as a cylinder, cone, rectangle, oval, etc. - Refer to
FIGS. 21-24 . A bulletduct switching device 1 in the second embodiment of the present invention has a structure basically the same as that in embodiment, and is different in that: the bottom face of therod portion 1312 extends outward to form thepressing end 1313. The locatingstructure 13 also comprises abackup plate 133; the first face of thebackup plate 133 is fixed at thegun body 2; the second face of thebackup plate 133 is matched with the end portion of the first end of thefirst spring 132; and the first end of thefirst spring 132 is connected with thegun body 2 through thebackup plate 133. The first face of thebackup plate 133 is fixed at thegun body 2, and the second face of thebackup plate 133 is matched with the end portion of the first end of thefirst spring 132, thus preventing the deviation of the spring force direction of thefirst spring 132 caused by the unevenness of the end portion of thefirst spring 132 and ensuring that thefirst spring 132 outputs the spring force along the radial direction of thevalve core 11. - Refer to
FIGS. 4 , 5, 9, 17 and 19. A bullet duct switching device in the third embodiment of the present invention has a structure basically the same as that in embodiment, and the difference lies in that: thevalve core 11 forms two first through-holes 111 parallel to each other. When the two first through-holes 111 of thevalve core 11 are parallel to each other, thevalve core 11 is sleeved with thefirst sealing ring 114 and inserted into thefirst mounting slot 311 and then rotates by 45°, and onenotch 1121 of thevalve core 11 is clamped by thestopper end 1311. In such circumstances, the two first through-holes 111 are respectively connected with thecorresponding air channels 312, and the dual-barrel air gun can shoot through the twobarrels 5 at the same time. - A bullet duct switching device in the fourth embodiment of the
present invention 1 has a structure basically the same as that in the first embodiment, and the difference lies in that: thevalve core 11 only forms one first through-hole 111 corresponding to oneair channel 312 111. In such circumstances, thevalve core 11 only controls the switching on and off of theair channel 312 corresponding to the first through-hole 111, and theother air channel 312 is kept off. - A bullet duct switching device in the fifth embodiment of the present invention has a structure basically the same as that in the first embodiment, and the difference lies in that: the dual-barrel air gun comprises two bullet
duct switching devices 1 of thepresent invention 1; the bulletduct switching devices 1 are respectively connected with anair channel 312, and theair channels 312 are switched on or off through the corresponding bulletduct switching devices 1. - The
female connector 3 forms two first mountingslots 311; each first mountingslot 311 has an opening at one end and is connected with anair channel 312; twovalve cores 11 are rotationally disposed in the corresponding first mountingslots 311 through a locatingplate 12 along the central axis of thevalve cores 11. Thefemale connector 3 forms asecond mounting slot 313 next to the opening of each of the two first mountingslots 311; and two locatingpieces 131 are disposed in the corresponding second mountingslots 313. In such circumstances, each bulletduct switching device 1 can only control the on and off of thecorresponding air channel 312. - The present invention is described in detail with reference to the attached drawings and the embodiments. Those ordinarily skilled in this field can make various modifications on the present invention according to the above description. Therefore, some details in the embodiments shall not constitute limitations on the present invention. The protective scope of the present invention is subject to the claims of the present invention.
Claims (28)
Applications Claiming Priority (3)
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CN201410256404.7 | 2014-06-10 | ||
CN201410256404 | 2014-06-10 | ||
CN201410256404.7A CN104006705A (en) | 2014-06-10 | 2014-06-10 | Double-barreled air gun and ballistic trajectory switching device thereof |
Publications (2)
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US9200866B1 US9200866B1 (en) | 2015-12-01 |
US20150354919A1 true US20150354919A1 (en) | 2015-12-10 |
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US14/575,570 Expired - Fee Related US9200866B1 (en) | 2014-06-10 | 2014-12-18 | Dual-barrel air gun and bullet duct switching device |
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US (1) | US9200866B1 (en) |
CN (1) | CN104006705A (en) |
Cited By (1)
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WO2019120949A1 (en) * | 2017-12-18 | 2019-06-27 | German Sport Guns Gmbh | Air gun |
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US10247508B2 (en) * | 2016-11-18 | 2019-04-02 | Boris B. Tolstykh | Air distribution device for a dual barrel pneumatic gun |
CN109855486B (en) * | 2019-01-25 | 2023-09-26 | 中国工程物理研究院总体工程研究所 | Quick filling air cannon |
CN114813016B (en) * | 2022-06-27 | 2022-09-02 | 中国飞机强度研究所 | Method for quickly switching and transmitting multiple transmitting tubes for airplane component impact test |
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WO2019120949A1 (en) * | 2017-12-18 | 2019-06-27 | German Sport Guns Gmbh | Air gun |
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US9200866B1 (en) | 2015-12-01 |
CN104006705A (en) | 2014-08-27 |
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