CN201697544U

CN201697544U - Trigger of air gun and safety mechanism

Info

Publication number: CN201697544U
Application number: CN 201020192027
Authority: CN
Inventors: 徐立华
Original assignee: SHAOXING LINGFENG AIR GUN MANUFACTURING CO LTD
Current assignee: SHAOXING LINGFENG AIR GUN MANUFACTURING CO LTD
Priority date: 2010-05-17
Filing date: 2010-05-17
Publication date: 2011-01-05
Anticipated expiration: 2020-05-17

Abstract

The utility model discloses a trigger of an air gun and a safety mechanism and provides the trigger of the air gun which has compact structure and time-saving and labor-saving operation and can carry out iron blocking automatically while hanging the gun and a safety mechanism. The utility model solves the technical problem of poor safety and reliability of the air gun in the prior art and comprises a rack and the trigger hinged on the rack in parallel; the left side of the rack is correspondingly provided with a piston and a connecting rod at the lower side of the piston; the front side surface of the rack is hinged with a first blocking iron which corresponds to the piston and can be hooked on the piston; the rack of the lower side, parallel to the first blocking iron, is hinged with a second blocking iron which is meshed with the first blocking iron and can be butted with the connecting rod in a sliding manner; the rack at the right side, parallel to the first blocking iron, is hinged with a third blocking iron with one end of being butted with at the lower side of the right end of the second blocking iron and the other end of being butted on the trigger; and the right side of the third blocking iron is provided with the safety mechanism which is driven by the connecting rod and is used for locking the third blocking iron.

Description

The trigger of air gun and insurance institution

Technical field

The utility model relates to a kind of air gun, relates in particular to a kind of air gun cocking mechanism and insurance institution that can carry out the sear insurance in on-hook automatically.

Background technology

Trigger on the early stage air gun is general direct corresponding with the piston in the trigger housing, and spool limit the trigger position and realize insurance function in the trigger cylindrical insurance of pegging graft, (patent No. is: 93200767.8) as the disclosed a kind of air gun Trigger safety device of Chinese patent, it is the cylinder insurance axle that a band plane breach is housed below trigger, trigger could move and pull the trigger plumb when the insurance axle is in the firing point, and trigger is failure to actuate and is in safety position when the insurance axle is in other position.Though this device can be realized the purpose insured by insurance axis limit trigger rotation after on-hook, this insurance axle can't be finished synchronously with on-hook, therefore has the possibility of forgetting insurance after the on-hook and causing security incident, so security and poor reliability.

Summary of the invention

The utility model has provided mainly that a kind of compact conformation, operation are time saving and energy saving, the trigger and the insurance institution of the air gun that can carry out sear insurance in on-hook automatically, has solved the technical problem of the security of the air gun that exists in the prior art and poor reliability etc.

Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: the trigger of air gun and insurance institution, comprise frame and the parallel trigger that is hinged on the frame, the left side of corresponding frame is provided with the connecting rod of piston and piston underside, on the leading flank of described frame, be hinged with corresponding and can be hooked on first sear on the piston with piston by first bearing pin, be parallel to be hinged with on the following side frame of first sear with first sear engagement and can with slide second sear of butt of connecting rod, but be hinged with the downside of an end apical grafting on the right side frame of first sear being parallel at the second sear right-hand member, other end parallel top is connected on the 3rd sear on the trigger, is provided with the insurance institution that is used to lock the 3rd sear that connecting rod drives on the right side of described the 3rd sear.By being set in being parallel to the plane of frame, three sears and trigger keep interlock and drive piston realizing percussion, compact conformation; One end of second sear and connecting rod slip butt, can when sliding backward, connecting rod drive second sear, second sear is rotated counterclockwise around its rotating shaft, drives promptly that first sear turns clockwise, the easily on-hook of the 3rd counterseal hour hands rotation back, it is time saving and energy saving to operate; Right side by the 3rd sear is provided with the insurance institution that connecting rod drives, and trigger can't be pulled the trigger by the position that insurance institution locks the 3rd sear, connecting rod is promoting to carry out the sear insurance automatically when second sear is realized on-hook, and on-hook is finished synchronously with insurance, and security reaches the reliability height well.

As preferably, the left part of described first sear extends upward and forms the right angle hook, and middle side part extends to form projection downwards under first sear, and described protruding sliding plug is in the groove at second sear middle part.By the left upper end at first sear right angle hook is set and colludes the extension piston, the piston location is reliable in the time of can guaranteeing on-hook, piston is broken away from first sear smoothly and realized percussion when pulling the trigger, and is rational in infrastructure; First sear is realized being connected with a joggle by projection and the groove on second sear, and connected mode is reliable, compact conformation.

As more preferably, between described first sear and second sear, be provided with the first sear stage clip, the described first sear stage clip is connected between the right side of the right-hand member of first sear and groove.By right-hand end the first sear stage clip is set, first sear is resetted rapidly facilitate the piston percussion at first sear and second sear.

As more preferably, the left part of described second sear extends to form the inclined-plane pressing plate to the left, inclined-plane on the described inclined-plane pressing plate is corresponding with the curved end of connecting rod right-hand member, the right part of described second sear extends to form driving lever to the upper right side, the downside of described driving lever can with the corresponding butt of safety dog rod end surface on the 3rd sear.Be provided with by left part that the inclined-plane pressing plate is corresponding with the curved end of connecting rod right-hand member, the right part is corresponding to the insurance pin that the upper right side extends to form on driving lever and the 3rd sear at second sear, second sear can fully contact with connecting rod and keeps being slidingly connected by the inclined-plane pressing plate, connects reliable; Be connected with the 3rd sear lever by driving lever, simple in structure, each correlated parts resistance is little during use, prolongs the service life of air gun.

As more preferably, described insurance pin extends the upper left side of being located at the 3rd sear, extend to form the trigger pin in described the 3rd sear lower left, the downside apical grafting of described trigger pin is on trigger, between described the 3rd sear right-hand member downside and frame, be provided with the 3rd sear stage clip, the lower side apical grafting of described the 3rd sear stage clip is on the top of frame screw, and described insurance institution is located at the right side of insurance pin.One side of the 3rd sear is by insuring the pin and the second sear apical grafting, passing through trigger pin and trigger apical grafting, opposite side is connected with frame by the 3rd sear stage clip, the 3rd sear is resetted be connected on the trigger all the time, and can adjust the restoring force of the 3rd sear stage clip arbitrarily by adjusting the frame screw.

As preferably, described insurance institution comprises by the hinged safety button in bonnet of bearing pin and the detent mechanism of lockable safety button position, the right-hand member of described safety button extends to outside the bonnet, and the left end of described safety button is corresponding with the 3rd sear right side on the frame.By a hinged end on the bearing pin in bonnet stretch out outside the cover gab of back, the other end and the corresponding safety button of the 3rd sear, can be by stirring the safety button of the outer end of back cover gab, safety button is around the bearing pin rotation and make the safety button that is positioned at the bonnet medial extremity withstand the 3rd sear, hit thereby can't pull to pull, reach the effect of insurance, simple; Stir outer safety button one end of opening and can realize insurance function, easy to operate, it is time saving and energy saving to use; The detent mechanism of lockable safety button turned position is set in bonnet, and preventing to take a turn for the worse behind the medial extremity of safety button and the 3rd sear apical grafting causes termination of insurance status, and security performance is good.

As more preferably, described detent mechanism comprises on the bonnet spring groove corresponding to the safety button right side, the opening of described spring groove is towards bearing pin, correspondingly with spring groove on described safety button be provided with two serrated slot, be provided with the compression spring in described spring groove, the upper end of described compression spring is connected in the serrated slot by steel ball.By the compression spring is set in spring groove, the compression spring offsets by the coupling of the serrated slot on steel ball and the safety button again, when stirring safety button when bearing pin rotates, serrated slot on the safety button is rotated synchronously, make steel ball along the serrated slot inwall to outer rolling, compression spring compression, steel ball carries over the safety button outer wall and is rolled in another serrated slot, locked the position of safety button thus, simple in structure, be skillfully constructed.

As more preferably, be provided with the braking roll that can connect with the locking insurance on the connecting rod at downside parallel on the described safety button with bearing pin, described locking insurance is the parallel strip metallic plate of being located at the frame outside, the connecting rod sliding-rail groove that passes on left strip of described locking insurance is slidingly connected on the link pin of connecting rod right-hand member, the right side of described locking insurance is slidingly connected on the frame pin of frame left end by the frame sliding-rail groove of strip, and the upper right side of described locking insurance extends to form the vertically insurance institution contact of apical grafting on the braking roll outer edge surface.By in the downside setting of the safety button braking roll parallel with bearing pin, can be by being slidingly connected at locking insurance apical grafting in the left side of braking roll and drive safety button and be rotated counterclockwise with connecting rod, and then the left-hand end that makes safety button withstands the 3rd sear, the insurance process need not manual operation, time saving and energy saving, good reliability is safe.

As more preferably, but the right part of described locking insurance extends to form apical grafting to the right on trigger and lock the spacing contact of trigger of trigger position.By right-hand end the spacing contact apical grafting of trigger is set and on trigger, stops the trigger rotation percussion, thereby make trigger can't pull percussion when resetting in that gun barrel is not stretching, avoid contingency to take place, advance a raising security in locking insurance.

As more preferably, the right side corresponding to the trigger bearing pin on described trigger is provided with limited block, and the downside of the spacing contact of described trigger can corresponding butt with the upper side of limited block.By right side limited block and the spacing contact of trigger are set and connect and stop trigger rotation at the trigger bearing pin, simple and reliable for structure.

Therefore, the trigger of air gun of the present utility model and insurance institution have following advantage: by being set in being parallel to the plane of frame, three sears and trigger keep interlock and drive piston realizing percussion, and simple and compact for structure; Drive second sear by connecting rod and finish hooks on process, it is time saving and energy saving to operate; By the right side at the 3rd sear the insurance institution of the position of lockable the 3rd sear is set, and insurance institution drives by connecting rod and finish the insurance process, on-hook and insurance are finished synchronously, security reaches the reliability height well; By apical grafting is set on trigger and stop the spacing contact of trigger of trigger rotation in the locking insurance that is slidingly connected with connecting rod, make gun barrel in that do not reset when stretching can't the cocking percussion, avoid contingency to take place, advance one and improve security.

Description of drawings:

Fig. 1 is the structural representation that the utility model removes connecting rod and locking insurance back hook state.

Fig. 2 is the structural representation that the utility model removes connecting rod and locking insurance back percussion state.

Fig. 3 is the structural representation of the utility model hook state.

Fig. 4 is the structural representation of the utility model percussion state.

The specific embodiment:

Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.

Embodiment:

As depicted in figs. 1 and 2, in the trigger and insurance institution of air gun of the present utility model, comprise that frame 5 reaches by the trigger bearing pin 41 parallel triggers 4 that are hinged on frame 5 leading flank bottoms, above the leading flank of frame 5, be hinged with first sear 1 by first bearing pin 11, the left part of first sear 1 extends upward and forms right angle hook 12, right angle hook 12 is corresponding with piston and can be hooked on the piston, extend to form projection 13 downwards at 1 time middle side part of first sear, on the following side frame 5 that is parallel to first sear 1, be hinged with second sear 2, have a groove 21 that an opening makes progress in that the middle part of second sear 2 and projection 13 are corresponding, projection 13 downward sliding plugs are in groove 21, between the right side of respective slot 21 on the right part of first sear 1 and second sear 2, one first sear stage clip 14 is housed, the two ends of the first sear stage clip 14 are plugged on respectively on first sear 1 and second sear 2 in the corresponding locating slot, the left part of second sear 2 extends to form inclined-plane pressing plate 22 to the left, inclined-plane on the inclined-plane pressing plate 22 can with the curved end slip butt of connecting rod 6 right-hand members, the right part of second sear 2 extends to form driving lever 23 to the upper right side, on the right side frame 5 that is parallel to first sear 1, be hinged with the 3rd sear 3, extend to form insurance pin 31 on the upper left side of the 3rd sear 3, extend to form trigger pin 32 in the lower left of the 3rd sear 3, wherein insure the downside that outer face, pin 31 rotation back can be connected to driving lever 23, the downside apical grafting of trigger pin 32 is at the upside of trigger 4, between the 3rd sear 3 right-hand member downsides and frame 5, one the 3rd sear stage clip 33 is housed, the upper end of the 3rd sear stage clip 33 is plugged in the corresponding locating hole of the 3rd sear 3, the lower end apical grafting of the 3rd sear stage clip 33 is installed an insurance institution that is used to lock the 3rd sear 3 that is driven by connecting rod 6 on frame screw 51 tops that are screwed on the frame 5 on the right side of insurance pin 31.Insurance institution comprises by the hinged safety button 72 in insurance pin 31 right side bonnets of bearing pin 71 and the detent mechanism of lockable safety button 72 positions, the right-hand member of safety button 72 extends to the bonnet outside to the right, after the rotation of the left end of safety button 72 can with the corresponding butt of right flank of insurance pin 31, detent mechanism wherein comprises on the bonnet spring groove 731 corresponding to safety button 72 right sides, the opening of spring groove 731 is towards bearing pin 71, correspondingly with spring groove 731 on the outer edge surface of safety button 72 have two serrated slot 721, a compression spring 732 is housed in spring groove 731, the lower end of compression spring 732 is connected to spring groove 731 bottoms, the upper end of compression spring 732 is connected in the serrated slot 721 by a steel ball 733, as shown in Figure 3 and Figure 4, fix on the safety button 72 one can with locking on the connecting rod 6 insurance 61 braking rolls that connect 74, braking roll 74 and the bearing pin 71 parallel downsides that are positioned at bearing pin 71, locking insurance 61 is the strip metallic plate that is parallel to frame 5 and is slidingly connected at frame 5 outsides, what the connecting rod sliding-rail groove that passes on left strip 611 of locking insurance 61 slided is connected on the link pin 62 that is positioned at connecting rod 6 right-hand members, on the frame pin 52 that is connected frame 5 left ends of the right side of locking insurance 61 by frame sliding-rail groove 612 slips of strip, extend the vertically insurance institution contact 613 of apical grafting on braking roll 74 outer edge surfaces of back formation in the upper right side of locking insurance 61, extend the back to the right in the right part of locking insurance 61 and form the spacing contact 614 of trigger, right side corresponding to trigger bearing pin 41 on trigger 4 is fixed with a limited block 42, and the downside of the spacing contact 614 of trigger can be connected on the upper side of limited block 42 and lock trigger 4 positions.

During the utility model on-hook, the bending gun barrel, connecting rod 6 drives piston backward, to the curved end of connecting rod 6 right-hand members and the inclined-plane pressing plate 22 slip butts in second sear, 2 left sides, and then first sear 1 that makes second sear 2 rotate counterclockwise and drive with its engagement is rotated counterclockwise, simultaneously connecting rod 6 drives lockings insurance 61 and makes locking insure 61 top-right insurance institution contact 613 apical graftings on braking roll 74 and drive safety button 72 and be rotated counterclockwise, insurance pin 31 right sides on medial extremity overhead the 3rd sear 3 of safety button 72 also drive the 3rd sear 3 and are rotated counterclockwise, until the downside of the top overhead that insures pin 31 at the driving lever 23 on second sear, 2 right sides, upper side locking trigger 4 positions that the spacing contact 614 of 61 bottom-right triggers is connected to the limited block 42 on trigger bearing pin 41 right sides are insured in locking, piston is hooked in the 1 upper left right angle hook 12 of first sear and realizes on-hook, this moment as the not stretching playback of bending gun barrel, the spacing contact 614 of trigger is decided trigger 4 and can't be rotated percussion.During percussion, the stretching playback of gun barrel, connecting rod 6 drives locking insurance 61 reaches, make locking insure the spacing contact 614 of the 61 bottom-right triggers releasing Trigger safety that on limited block 42, moves to left, manually press down safety button 72 again, safety button 72 turns clockwise, and the medial extremity of safety button 72 is transfered from one place to another under escort on insurance pin 31 right sides on the 3rd sear 3 except that the sear insurance, and cocking 4 is finished percussion.

Specific embodiment described herein only is that design of the present utility model is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims

1. the trigger of an air gun and insurance institution, comprise frame and the parallel trigger that is hinged on the frame, the left side of corresponding frame is provided with the connecting rod of piston and piston underside, it is characterized in that: on the leading flank of described frame (5), be hinged with corresponding and can be hooked on first sear (1) on the piston with piston by first bearing pin (11), be parallel to be hinged with on the following side frame (5) of first sear (1) with first sear (1) engagement and can with second sear (2) of connecting rod (6) slip butt, in the right side frame (5) that is parallel to first sear (1) but on be hinged with the downside of an end apical grafting at second sear (2) right-hand member, other end parallel top is connected on the 3rd sear (3) on the trigger (4), is provided with the insurance institution that is used to lock the 3rd sear (3) that connecting rod (6) drives on the right side of described the 3rd sear (3).

2. the trigger of air gun according to claim 1 and insurance institution, it is characterized in that: the left part of described first sear (1) extends upward and forms right angle hook (12), middle side part extends to form projection (13) downwards under first sear (1), and described projection (13) sliding plug is in the groove (21) at second sear (2) middle part.

3. the trigger of air gun according to claim 2 and insurance institution, it is characterized in that: be provided with the first sear stage clip (14) between described first sear (1) and second sear (2), the described first sear stage clip (14) is connected between the right side of the right-hand member of first sear (1) and groove (21).

4. the trigger of air gun according to claim 3 and insurance institution, it is characterized in that: the left part of described second sear (2) extends to form inclined-plane pressing plate (22) to the left, inclined-plane on the described inclined-plane pressing plate (22) is corresponding with the curved end of connecting rod (6) right-hand member, the right part of described second sear (2) extends to form driving lever (23) to the upper right side, the downside of described driving lever (23) can with the corresponding butt of insurance pin (31) end face on the 3rd sear (3).

5. the trigger of air gun according to claim 4 and insurance institution, it is characterized in that: described insurance pin (31) extends the upper left side of being located at the 3rd sear (3), extend to form trigger pin (32) in described the 3rd sear (3) lower left, the downside apical grafting of described trigger pin (32) is on trigger (4), between described the 3rd sear (3) right-hand member downside and frame (5), be provided with the 3rd sear stage clip (33), the lower side apical grafting of described the 3rd sear stage clip (33) is on the top of frame screw (51), and described insurance institution is located at the right side of insurance pin (31).

6. according to the trigger and the insurance institution of any described air gun in the claim 1 to 5, it is characterized in that: described insurance institution comprises by the hinged safety button in bonnet (72) of bearing pin (71) and the detent mechanism of lockable safety button (72) position, the right-hand member of described safety button (72) extends to outside the bonnet, and the left end of described safety button (72) is corresponding with the 3rd sear (3) right side on the frame (5).

7. the trigger of air gun according to claim 6 and insurance institution, it is characterized in that: described detent mechanism comprises on the bonnet spring groove (731) corresponding to safety button (72) right side, the opening of described spring groove (731) is towards bearing pin (71), go up corresponding two serrated slot (721) that are provided with in described safety button (72) with spring groove (731), be provided with compression spring (732) in described spring groove (731), the upper end of described compression spring (732) is connected in the serrated slot (721) by steel ball (733).

8. the trigger of air gun according to claim 7 and insurance institution, it is characterized in that: go up the downside parallel in described safety button (72) and be provided with the braking roll (74) that can connect with the locking insurance (61) on the connecting rod (6) with bearing pin (71), described locking insurance (61) is the parallel strip metallic plate of being located at frame (5) outside, the connecting rod sliding-rail groove (611) that passes on left strip of described locking insurance (61) is slidingly connected on the link pin (62) of connecting rod (6) right-hand member, the right side of described locking insurance (61) is slidingly connected on the frame pin (52) of frame (5) left end by the frame sliding-rail groove (612) of strip, and the upper right side of described locking insurance (61) extends to form the vertically insurance institution contact (613) of apical grafting on braking roll (74) outer edge surface.

9. the trigger of air gun according to claim 8 and insurance institution is characterized in that: described locking insurance (61) but the right part extend to form apical grafting to the right and go up and the spacing contact of trigger (614) of locking trigger (4) position at trigger (4).

10. the trigger of air gun according to claim 9 and insurance institution, it is characterized in that: the right side of going up corresponding to trigger bearing pin (41) at described trigger (4) is provided with limited block (42), the downside of the spacing contact of described trigger (614) can with the corresponding butt of upper side of limited block (42).