CN201688760U

CN201688760U - Trigger gear of air gun

Info

Publication number: CN201688760U
Application number: CN 201020191984
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: 2010-12-29
Anticipated expiration: 2020-05-17

Abstract

The utility model discloses a trigger gear of an air gun, which has the advantages of simple and compact structure, long service life and time-saving and labor-saving operation, and solves the technical problems that the air gun in the prior art has short service life and labor-wasting operation and use and the like. The trigger gear comprises a trigger base and a trigger hinged on the trigger base, the front side surface of the trigger base is parallelly hinged with first resistance iron, second resistance iron and third resistance iron which are linked respectively, one end of the first resistance iron corresponds to a piston at the front side, the other end of the first resistance iron is downwards spliced in a notch of the second resistance iron in a sliding manner, and connected with the second resistance iron by a compression spring, the other end of the second resistance iron corresponds to one end of the third resistance iron at the rear side of the first resistance iron, and the other end of the third resistance iron is connected with the trigger positioned at the lower side of the third resistance iron in a propping manner.

Description

A kind of cocking mechanism of air gun

Technical field

The utility model relates to a kind of air gun, relates in particular to a kind of air gun cocking mechanism of simple in structure, rapid operation.

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.Because trigger in the device and insurance axle are directly corresponding with piston, need use very big power cocking just can guarantee trigger action percussion when not only pulling the trigger, and the trigger bearing pin in the structure and insurance axle are stressed big, the long-term very easily wear and rupture of rear trigger bearing pin and insurance axle of using, thereby shorten the service life of air gun, also may cause security incident when serious.

Summary of the invention

The utility model has mainly provided the cocking mechanism of the time saving and energy saving a kind of air gun of a kind of simple and compact for structure, long service life, operation, has solved the technical problem that the air gun service life that exists in the prior art is short, manipulate effort etc.

Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of cocking mechanism of air gun, comprise trigger housing and be hinged on trigger on the trigger housing, on the leading flank of described trigger housing respectively by parallel first sear that is hinged with interlock of bearing pin, second sear and the 3rd sear, one end of described first sear is corresponding with the piston of front side, the downward sliding plug of the other end of described first sear links to each other with second sear in the breach of second sear and by the compression spring, the other end of described second sear is corresponding with an end of the 3rd sear that is positioned at the first sear rear side, and the other end of described the 3rd sear connects with the trigger that is positioned at the 3rd sear downside.By hinged mutual correspondence in trigger housing and keep first sear of interlock, second sear and the 3rd sear, can drive second sear corresponding with the interlock of trigger by the 3rd sear wherein with the 3rd sear, second sear drives first sear with its engagement again, first sear rotates and makes piston break away from first sear realization percussion, the compression spring that is connected during cocking between first sear and second sear can make second sear clockwise rotate under the effect of compression spring restoring force, thereby drive first sear and realize percussion, simple in structure, be skillfully constructed, compact and reasonable; Only need light triggering pulling can make the 3rd sear, second sear and the first sear interlock realize percussion during use, it is time saving and energy saving to operate; Each hinging pin shaft is stressed little in the transmission process, prolongs the service life of air gun.

As preferably, the median plane of described first sear, second sear, the 3rd sear and trigger overlaps in same plane and with longitudinal center's face of rifle body.When first sear, second sear, the 3rd sear and trigger overlap with longitudinal center's face of rifle body, when improving the trigger transmission efficiency, make the rifle body keep left and right sides balance, prevent that air gun from rifle body deflection in use taking place, improve stability in use and reliability.

As more preferably, be provided with first projection that to collude the extension piston in the first sear upper limb front side with the described first bearing pin axis parallel, be provided with and with piston collisions and drive the contact that first sear turns clockwise at the first sear upper limb rear side parallel, be provided with in the breach of sliding plug on second sear at the first sear lower edge parallel and also can drive second projection of second sear along the second bearing pin turn with described first bearing pin with described first bearing pin.By first projection and the contact on first sear, can drive first sear by the piston collisions contact and turn clockwise, realize the interlock of first sear and second sear again by second projection and the breach engagement on second sear, the interlock mode is simple, reliable.

As more preferably, extending to form the driving lever that can be overlapped on above the 3rd sear to rear side with the second sear outer rim of the described second bearing pin axis parallel, described gap opened upwards is located at the medial extremity of driving lever, one end of described compression spring colludes downwards and is hung near on the driving lever of breach, and the other end of described compression spring upwards colludes the inboard that is hung on first sear.By the driving lever that on second sear, is provided with and the 3rd sear overlap joint, can realize the interlock of second sear and the 3rd sear, and second sear be rotated counterclockwise reset that the interlock mode is simple, reliable, rational in infrastructure by compressing spring.

As more preferably, but be provided with the insurance pin of apical grafting at the driving lever downside at the 3rd sear upper limb with described the 3rd bearing pin axis parallel, be provided with the trigger pin at the 3rd sear lower edge with the 3rd bearing pin axis parallel, the lateral surface of described trigger pin is connected to downwards on the trigger, is provided with back-moving spring between corresponding to the trigger housing of trigger rear side and the 3rd sear.The safety dog masthead of the 3rd sear top is connected on the driving lever downside on second sear during on-hook, the trigger pin of the below of the 3rd sear is connected on the trigger, can drive the 3rd sear by trigger during cocking turns clockwise, make the insurance pin of the 3rd sear top break away from driving lever on second sear, driving lever turns clockwise and drives first sear and realize percussion, and serial verb construction is skillfully constructed, safe and reliable; By the back-moving spring between the 3rd sear and the trigger housing, can be after percussion restoring force by back-moving spring drive the 3rd sear and be rotated counterclockwise and reset, promptly the trigger pin automatically and the trigger butt need not hand-reset, and is simple to operate.

As more preferably, on described trigger housing, be provided with adjustment screw, the lower side apical grafting of described back-moving spring is on the adjustment screw top.Restoring force by the precession and the back-out of adjustment screw can be adjusted back-moving spring arbitrarily accurately resets good reliability to guarantee the 3rd sear.

As preferably, on the trigger housing of described trigger front side, be provided with by second sear and drive the Trigger safety that also can be connected on the trigger.By the Trigger safety that is driven by second sear is set on trigger housing, can in on-hook, drive Trigger safety by second sear, Trigger safety is connected to automatically stop on the trigger trigger rotation percussion, automaticity and vi have high safety, security performance are good.

As more preferably, described Trigger safety comprises the insurance bearing pin and is hinged on insurance blade on the trigger housing trailing flank by the insurance bearing pin, the opening that trigger housing top is passed in the upper end of described insurance blade slides and is connected on the driving lever on second sear, and the lower end of described insurance blade is corresponding with the draw-in groove of trigger front side forward.By hinged insurance blade one end and driving lever slip butt, the other end is corresponding with the draw-in groove of trigger, can drive the end rotation of insurance blade during on-hook by driving lever, thereby the other end that makes the insurance blade is connected to the interior trigger rotation that stops of the draw-in groove of trigger automatically, simple in structure, insurance is synchronous, safe with on-hook.

As more preferably, described insurance blade is triangular in shape on the trailing flank of trigger housing, corner to insurable blade top makes progress and driving lever slip butt, corner to insurable blade below is connected in the draw-in groove downwards, the corner at insurable blade middle part is connected the rear side of trigger housing by the insurance extension spring, be provided with the zigzag allocating slot corresponding to the insurance blade edge between insurance extension spring and the trigger, in described zigzag allocating slot, be plugged with an end and be fixed on pluggable axis on the trigger housing.By between leg-of-mutton insurance blade middle part corner and trigger housing, the insurance extension spring being set, guarantee that the insurance blade under the safety position is connected in the draw-in groove of trigger all the time, improve safety reliability; Hang on the pluggable axis by on the insurance blade between insurance extension spring and the trigger, zigzag allocating slot card being set, can the insurance blade be moved to outside the draw-in groove of trigger by changing the position of pluggable axis in the zigzag allocating slot during arming, simple in structure.

Therefore, the cocking mechanism of a kind of air gun of the present utility model has following advantage: by first sear, second sear and the 3rd sear of hinged interlock in the trigger housing, can realize percussion by trigger, simple in structure, be skillfully constructed, compact and reasonable; Light triggering pulling can be pulled the trigger during use, and it is time saving and energy saving to operate; Each hinging pin shaft is stressed little, the long service life of air gun; Parallel being hinged in the trigger housing and with longitudinal center's face of rifle body of first sear, second sear, the 3rd sear and trigger overlaps transmission efficiency height, stability and good reliability; Can make the trigger voluntary insurance by Trigger safety in on-hook, automaticity and vi have high safety, security performance are good.

Description of drawings:

Fig. 1 is the structural representation of the cocking mechanism of a kind of air gun of the utility model.

Fig. 2 is a rearview shown in Figure 1.

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 shown in Figure 1, in the cocking mechanism of a kind of air gun of the present utility model, comprise trigger housing 1 and pass through first bearing pin, 31 horizontally hinged first sears 3 on trigger housing 1 leading flank, by the second horizontally hinged sear 4 of second bearing pin 41, by the 3rd horizontally hinged sear 6 of the 3rd bearing pin 61, by the horizontally hinged trigger 7 of trigger bearing pin 71, and first sear 3, second sear 4, the radial center face of the 3rd sear 6 and trigger 7 overlaps in same plane and with longitudinal center's face of rifle body, first sear 3 is positioned at the top of trigger housing 1 front end, second sear 4 is positioned at the below of first sear 3, the 3rd sear 6 is positioned at the top of trigger housing 1 rear end of first sear, 3 rear sides, trigger 7 is positioned at the below of the 3rd sear 6, corresponding with the piston of front side in the rifle body, have first projection 32 that to collude the extension piston in first sear, 3 upper limb front sides with first bearing pin, 31 axis parallels, the upper limb rear side has and can and drive the contact 34 that first sear 3 turns clockwise with piston collisions, lower edge has in the breach 42 of sliding plug on second sear 4 and can drive second projection 33 of second sear 4 along 41 turns of second bearing pin, extending to form the driving lever 43 that can be overlapped on above the 3rd sear 6 to rear side with second sear, 4 outer rims of second bearing pin, 41 axis parallels, breach 42 openings upwards are positioned at the medial extremity of driving lever 43, be connected with a compression spring 5 at first sear 3 and 4 of second sears, one end of compression spring 5 colludes downwards and is hung near on the driving lever 43 of breach 42, the other end upwards colludes the rear side that is hung on first sear 3, have insurance pin 62 at the 3rd sear 6 upper limbs with the 3rd bearing pin 61 axis parallels, but the outer end apical grafting of insurance pin 62 is at the downside of driving lever 43, have trigger pin 63 at the 3rd sear 6 lower edges with the 3rd bearing pin 61 axis parallels, the lateral surface of trigger pin 63 is connected to downwards on the trigger 7, between corresponding to the trigger housing 1 of trigger 7 rear sides and the 3rd sear 6, be connected with a back-moving spring 8, on trigger housing 1 corresponding to adjustment screw 9 of the bottom-up spinning in the lower end of back-moving spring 8, the upper end of back-moving spring 8 is hooked on the rear side of the 3rd sear 6, the lower side apical grafting is on adjustment screw 9 tops, as shown in Figure 2, on the trigger housing 1 of trigger 7 front sides, be equipped with one and can drive and be connected to Trigger safety 2 on the trigger 7 by second sear 4, Trigger safety 2 comprises that one is vertically fixed on the insurance bearing pin 21 at trigger housing 1 back side and is hinged on the insurance blade 22 that insures on the bearing pin 21, described insurance blade 22 is triangular in shape at the back side of trigger housing 1, pass the corresponding opening 11 in trigger housing 1 top after the inside bending of corner to insurable blade 22 tops, and with second sear 4 on driving lever 43 front end face slip butts, corner to insurable blade 22 belows is corresponding with the draw-in groove 72 of trigger 7 front sides forward, to the corner at insurable blade 22 middle parts backward and be connected the rear side of trigger housing 1 by insurance extension spring 23, at the zigzag allocating slot 24 that has two teeth corresponding to insurance blade 22 edges between insurance extension spring 23 and the trigger 7, corresponding with zigzag allocating slot 24 on trigger housing 1 pluggable axis 25 of vertical fixing, insurance blade 22 is hinged on the pluggable axis 25 by a zigzag allocating slot 24.

When the utility model uses, piston is backward with contact 34 collision of first sear, 3 upper limb rear sides and drive first sear 3 and turn clockwise along first bearing pin 31, and second sear 4 of drive and 3 engagements of first sear is rotated counterclockwise along second bearing pin 41, when upwards going to level, first projection 32 of first sear, 3 upper limb front sides is hooked on the piston, when second sear 4 turns to the opening 11 of trigger housing 1 top, second sear 4 drive on the Trigger safeties 2 insurance blade 22 upper ends by after rotate counterclockwise forward, the lower end of insuring blade 22 at last is synchronously by being rocked to behind the forward direction in the draw-in groove 72 that is connected to trigger 7 front sides, the downside of the driving lever 43 on second sear 4 is connected to insurance pin 62 outboard ends on the 3rd sear 6, on-hook puts in place simultaneously with insurance, during percussion, manually pass insurance blade 22 forward, the zigzag allocating slot 24 that makes insurance blade 22 belows is deviate to slip into to insure in the pluggable axis 25 in blade 22 sides' the zigzag, it is the arming state, cocking 7 backward at this moment, trigger 7 rotates counterclockwise the trigger pin 63 that drives on the 3rd sear 6 and clockwise rotates, the driving lever 43 that insurance pin 62 on the 3rd sear 6 is broken away from second sear 4, under the effect of compression spring 5, second sear 4 clockwise rotates, first sear 3 rotates counterclockwise, and first projection 32 that piston breaks away from first sear 3 realizes percussion forward.

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 cocking mechanism of an air gun, comprise trigger housing and be hinged on trigger on the trigger housing, it is characterized in that: on the leading flank of described trigger housing (1) respectively by parallel first sear (3) that is hinged with interlock of bearing pin, second sear (4) and the 3rd sear (6), one end of described first sear (3) is corresponding with the piston of front side, the downward sliding plug of the other end of described first sear (3) links to each other with second sear (4) in the breach (42) of second sear (4) and by compression spring (5), the other end of described second sear (4) is corresponding with an end of the 3rd sear (6) that is positioned at first sear (3) rear side, and the other end of described the 3rd sear (6) connects with the trigger (7) that is positioned at the 3rd sear (6) downside.

2. the cocking mechanism of a kind of air gun according to claim 1, it is characterized in that: the median plane of described first sear (3), second sear (4), the 3rd sear (6) and trigger (7) overlaps in same plane and with longitudinal center's face of rifle body.

3. the cocking mechanism of a kind of air gun according to claim 2, it is characterized in that: be provided with in first sear (3) upper limb front side and can collude first projection (32) of hanging piston with described first bearing pin (31) axis parallel, be provided with and with piston collisions and drive the contact (34) that first sear (3) turns clockwise at first sear (3) the upper limb rear side parallel, be provided with in the breach (42) of sliding plug on second sear (4) at first sear (3) lower edge parallel and also can drive second projection (33) of second sear (4) along second bearing pin (41) turn with described first bearing pin (31) with described first bearing pin (31).

4. the cocking mechanism of a kind of air gun according to claim 3, it is characterized in that: extend to form the driving lever (43) that can be overlapped on the 3rd sear (6) top to rear side in second sear (4) outer rim with described second bearing pin (41) axis parallel, described breach (42) opening upwards is located at the medial extremity of driving lever (43), one end of described compression spring (5) colludes downwards and is hung near on the driving lever (43) of breach (42), and the other end of described compression spring (5) upwards colludes the inboard that is hung on first sear (3).

5. the cocking mechanism of a kind of air gun according to claim 4, it is characterized in that: with the 3rd sear (6) of described the 3rd bearing pin (61) axis parallel but upper limb is provided with the insurance pin (62) of apical grafting at driving lever (43) downside, be provided with trigger pin (63) at the 3rd sear (6) lower edge with the 3rd bearing pin (61) axis parallel, the lateral surface of described trigger pin (63) is connected to downwards on the trigger (7), is provided with back-moving spring (8) between corresponding to the trigger housing (1) of trigger (7) rear side and the 3rd sear (6).

6. the cocking mechanism of a kind of air gun according to claim 5, it is characterized in that: be provided with adjustment screw (9) on described trigger housing (1), the lower side apical grafting of described back-moving spring (8) is on adjustment screw (9) top.

7. according to the cocking mechanism of any described a kind of air gun in the claim 1 to 6, it is characterized in that: on the trigger housing (1) of described trigger (7) front side, be provided with by second sear (4) and drive the Trigger safety (2) that also can be connected on the trigger (7).

8. the cocking mechanism of a kind of air gun according to claim 7, it is characterized in that: described Trigger safety (2) comprises insurance bearing pin (21) and is hinged on insurance blade (22) on trigger housing (1) trailing flank by insuring bearing pin (21), the opening (11) that trigger housing (1) top is passed in the upper end of described insurance blade (22) slides and is connected on the driving lever (43) on second sear (4), and the lower end of described insurance blade (22) is corresponding with the draw-in groove (72) of trigger (7) front side forward.

9. the cocking mechanism of a kind of air gun according to claim 8, it is characterized in that: described insurance blade (22) is triangular in shape on the trailing flank of trigger housing (1), corner to insurable blade (22) top makes progress and driving lever (43) slip butt, corner to insurable blade (22) below is connected to downwards in the draw-in groove (72), the corner at insurable blade (22) middle part is connected the rear side of trigger housing (1) by insurance extension spring (23), be provided with zigzag allocating slot (24) corresponding to insurance blade (22) edge between insurance extension spring (23) and the trigger (7), in described zigzag allocating slot (24), be plugged with an end and be fixed on pluggable axis (25) on the trigger housing (1).