CN203125465U - Compressed air nail shooting gun - Google Patents

Abstract

The utility model discloses a compressed air nail shooting gun. The compressed air nail shooting gun comprises a compressed air inlet device, a gun head, a gun body, a safety device and a control device, wherein the gun body is internally provided with a piston component and a balance valve, the safety device is respectively connected with the gun head and a trigger and used for controlling the action of the trigger, the control device consists of the trigger and a valve, the balance valve is internally provided with an air outlet channel, one side of the balance valve is matched with a piston, and a control cavity is arranged at the other side of the balance valve; when the trigger is not pulled, an air return compartment is communicated with a cylinder body, an air storage chamber is communicated with an air inlet channel, the control cavity is communicated with the air inlet channel through the valve, and the air outlet channel is communicated with atmosphere; when the trigger is pulled, the valve is matched with the trigger to control the air outlet channel to be communicated with the air storage chamber, control the air outlet channel to be not communicated with the atmosphere, and control the control cavity to be communicated with the atmosphere, and control the control cavity to be not communicated with the air inlet channel. According to the compressed air nail shooting gun, nails can be instantly shot in a wooden matrix, and can also be directly shot into hard matrixes such as steel, concrete or rocks.

Description

A kind of compressed air nailing rifle

Technical field

The utility model relates to a kind of ail gun, relates in particular to a kind of compressed air that utilizes and is the ail gun of power source, is mainly used in nail directly is driven in the hard substrate as iron and steel, concrete, brick setting or rock type.

Background technology

Ail gun is the present common tool in the industries such as building and decoration, and it can be injected nail moment in the matrix, compares with traditional expansion bolt, uses ail gun shooting nail, has time saving and energy saving and the high advantage of efficiency of construction.Usually ail gun is divided into following two classes according to the difference of power source:

The first kind: be power source with the fuel gas; Mainly be to make flammable gas explosion in the internal combustion chamber by igniter, the pushed at high pressure piston that produces by blast hits nail.A kind of ail gun is disclosed as China Patent No. " 200320118911.1 ", its open day is on December 8th, 2004, its technical scheme is that described ail gun comprises the rifle mouth, the body of a gun, rear end cap, the nail folder, handle, internal combustion chamber, igniter, feeder, exhaust apparatus, piston component and control device, described nail folder is connected with described rifle mouth, described piston component is arranged in the described body of a gun, described internal combustion chamber, igniter, feeder, exhaust apparatus all is arranged in the described fuselage, described internal combustion chamber respectively with described igniter, described feeder, piston component and control device link to each other.

Second class: be power source with compressed air; Mainly be to utilize the pressure differential that enters rifle body compressed air to promote piston nail is hit.A kind of pneumatic stapler is disclosed as China Patent No. " 00222911.0 ", its open day is January 24 calendar year 2001, its technical scheme is that described pneumatic stapler comprises the rifle body, the cylinder piston member, inlet channel, exhaust passage and pneumatic valve control device, the pneumatic operated valve controlling organization is to be respectively arranged with pneumatic valve pocket and manual valve pocket in rifle body inside cylinder one side, be provided with in the pneumatic valve pocket respectively and inlet channel, the exhaust passage, cylinder intake Tan, the air admission hole that manual valve pocket communicates, the exhaust annular groove, airway, air intake duct, manually valve pocket communicates with inlet channel by the thin passage of air inlet, being provided with in the pneumatic valve pocket can axially movable balanced valve, be with the valve pocket that is connected with the pneumatic operated valve cavity wall on the balanced valve, the hole that is arranged on valve pocket communicates with the exhaust annular groove, manually be provided with valve nozzle in the valve pocket, manual valve pocket and corresponding with the trigger handle is passed in the valve nozzle bottom.

But be the prior art of representative with above-mentioned patent document, in actual use, still exist following defective: one, the amount of internal combustion indoor gas be not easy control, the fuel gas in internal combustion chamber more after a little while, the motive force of generation is not enough to nail is driven into matrix, and the fuel gas in internal combustion chamber more for a long time, the power of its blast is bigger, easily ail gun is blown up, and the fuel gas in the internal combustion chamber is revealed easily simultaneously, thereby cause fire, its poor stability; Two, use fuel gas as power source, not only can waste energy, flammable gas explosion also can produce large quantity of exhaust gas, and contaminated environment is unfavorable for environmental protection; Three, ail gun does not have safeties, easily the people is caused injury in use, and security is low; Four, nail hitting function singleness, whenever hit a nail after, need manually to load nail, nail hitting continuously, nail hitting efficient is low, the while binding unloads nail process complexity, nail drops easily; Five, above-mentioned ail gun is mainly used in nail is driven into wooden matrix, can not be for the hard substrate that nail directly is driven into as iron and steel, concrete, brick setting or rock type, its narrow application range; Six, can only impact the nail suitable with the ail gun specification, when impacting the nail of different size as need, need to use in addition the ail gun of corresponding specification, the utilization rate of ail gun is low; Seven, the mounting means complexity of rifle mouth is not easy to installation and maintenance.

The utility model content

The purpose of this utility model is to solve the problems referred to above that ail gun exists in the prior art, a kind of compressed air nailing rifle is provided, after adopting the utility model, the security of ail gun is higher, adopting compressed air simultaneously is power source, the ejaculation dynamics of nail can reach 150J-190J, nail moment not only can be driven into wooden matrix, can also moment nail directly be driven in the hard substrate as iron and steel, concrete, brick setting or rock type.

For achieving the above object, the technical solution adopted in the utility model is as follows:

A kind of compressed air nailing rifle, comprise the compressed air inlet duct, the rifle head, the rifle body, safeties and control device, be provided with piston component and balanced valve in the rifle body, described piston component comprises cylinder block, be slidingly arranged in piston and piston rod in the cylinder block, one end of piston rod is fixedlyed connected with piston, the other end cooperates with the rifle head and hits nail, rifle body bottom is provided with inlet channel, inlet channel is connected with the compressed air inlet duct, it is characterized in that: described safeties are connected with trigger with the rifle head respectively and are used for the action of control trigger, be provided with return-air cabin and air storage chamber between described cylinder block and the rifle body, described control device comprises trigger and valve, be provided with the exhaust passage in the described balanced valve, a side of balanced valve cooperates with piston, and opposite side is provided with control chamber;

Not during cocking: described return-air cabin communicates with cylinder block, and described air storage chamber communicates with inlet channel, and described control chamber is communicated with inlet channel by valve, and described exhaust passage communicates with atmosphere;

During cocking: described valve cooperates the control exhaust passage to communicate with air storage chamber with trigger, and the exhaust passage does not communicate with atmosphere, and control chamber communicates with atmosphere, and control chamber does not communicate with inlet channel.

Described safeties comprise safeguard, insurance pressing plate, Insurance Block and spring, described Insurance Block is fixedly installed on rifle body bottom, one end of described spring is connected with Insurance Block, the other end is connected with the insurance pressing plate, described safeguard and trigger flexibly connect by resilient key, one end of described insurance pressing plate and rifle head flexibly connect, and the other end passes Insurance Block and cooperates the action of control trigger with safeguard.

Described rifle body bottom is fixedly connected with handle, described inlet channel is arranged in the handle, be provided with siphunculus in the described rifle body case, one end of siphunculus communicates with control chamber, described valve is fixedly mounted on the handle and is connected with inlet channel with the other end of siphunculus respectively, trigger and valve are engaged in to be controlled atmosphere when the blocking-up control chamber communicates with inlet channel and communicates with control chamber, the handle bottom is provided with snap joint, described snap joint one end communicates with inlet channel, and the other end is connected with the compressed air inlet duct.

Described cylinder block outer surface is provided with retainer ring, described retainer ring is divided into return-air cabin and air storage chamber with the cavity between cylinder block and the rifle body, some openings are set on the described cylinder block, described some openings are separately positioned on the cylinder block at cylinder block end and middle part, corresponding return-air cabin, and described return-air cabin communicates with cylinder block by opening.

Described piston component also comprises cylinder head, and described control chamber is the cavity that the bonnet of cylinder head, balanced valve and rifle body is combined to form, and is provided with elastic device between described cylinder head and the balanced valve.

Described rifle body bonnet is provided with sealing gasket, communicates with atmosphere by sealing gasket blocking-up exhaust passage during cocking.

Described cylinder block end is provided with beam.

Described rifle head comprises barrel block and gun barrel, and a side of described barrel block is fixedlyed connected with the rifle body, and opposite side is connected with the gun barrel cover, and described gun barrel is movably set in the gun barrel cover.

Described gun barrel cover is concave structure, offers through hole and limited post on the wherein side of this spill gun barrel cover, and its opening surface is provided with pressing plate, and its bottom surface offers send the nail groove, and fixedlys connected with the nail casket; Described gun barrel comprises rifle mouth and the body of a gun, be provided with limiting section between rifle mouth and the body of a gun, offer nail on the described body of a gun and enter conduit, safety groove, safety groove and limiting stand, nail in the nail casket enters gun barrel by sending nail groove and nail to enter conduit, described pressing plate cooperates spacing gun barrel with limiting stand, described insurance pressing plate is by through hole and safety groove and gun barrel flexible connection, and described limited post is connected the displacement that is used for restriction insurance pressing plate with the insurance pressing plate.

Be provided with nails introducer in the described nail casket, be connected with push rod on the nails introducer, described sending in the nail groove offers recess, and push rod does not enter safety groove by recess and prevents blank firing when having nail in the nail casket.

Described nail casket is provided with the retaining nail device that prevents that nail from dropping.

Be installed with baffle in the described nail casket, an end of described baffle is positioned at and send the nail groove, and flushes with sending the nail groove.

Described nail casket is fixedlyed connected with handle by clamping plate.

Described rifle head comprises barrel block and gun barrel, and a side of described barrel block is fixedlyed connected with the rifle body, and opposite side is slidingly connected by jump ring and gun barrel, and described insurance pressing plate is between barrel block and gun barrel.

Adopt advantage of the present utility model to be:

One, in the utility model, realize the shooting of nail owing to the pressure differential between each cavity that has utilized balanced valve, rifle body and piston component to constitute, not only can adopt compressed air as the power source of ail gun, also make the issuing velocity of nail faster also bigger with the ejaculation dynamics, its ejaculation dynamics can reach 150J-190J, not only can moment nail be driven into wooden matrix, can also moment ground nail directly is driven in the hard substrate as iron and steel, concrete, brick setting or rock type; Have high efficient and reliable, low-carbon environment-friendly and advantage applied widely; It is little that balanced valve makes compressed-air actuated admission pressure loss simultaneously, and row's back of the body air pressure is little; Because the power of ail gun is bigger, safe handling in order to ensure ail shooter, the utility model has increased unique safeties, can make the trigger under the situation of connecting compressed air and the nail of packing into be in the non-stress state, be that cocking can't be shot, have only by pressing down and just can carry out nailing after the rifle head drives safeties, further improved the security of ail gun, can reduce because using the probability that causes security incident accidentally, compare for the prior art of representative with " 00222911.0 " with China Patent No. " 200320118911.1 ", the utility model is owing to utilized balanced valve, pressure differential between each cavity that rifle body and piston component constitute realizes nailing, make the ejaculation dynamics of nail bigger, the shooting rate of precision is higher, and use compressed air as power source, energy savings not only, be conducive to environmental protection, also significantly reduced production cost; And the setting of safeties makes ail gun have higher security.

Two, in the utility model, Insurance Block can prevent from insuring pressing plate sideslip when shooting, and spring can make the insurance pressing plate behind the releasing trigger automatically reset rapidly, has advantage simple in structure, that nailing efficient is high; Have only simultaneously when pressing down the rifle head, an end of insurance pressing plate is when safeguard moves and support safeguard, and trigger could be that basic point is stressed with the contact point of insurance pressing plate and safeguard, can prevent maloperation and causes security incident.

Three, in the utility model; cooperate the pressure that can change control chamber flexibly and easily with valve by trigger; thereby realize the high efficiency shooting of nail; and the advantage that handle has handled easily is set in rifle body bottom; what the snap joint on the handle made the compressed air inlet duct is connected more firmly with inlet channel, and handle can shield to inlet channel simultaneously.

Four, in the utility model, described cylinder block outer surface is provided with retainer ring, described retainer ring is divided into return-air cabin and air storage chamber with the cavity between cylinder block and the rifle body, some openings are set on the described cylinder block, described some openings are separately positioned on the cylinder block at cylinder block end and middle part, corresponding return-air cabin, described return-air cabin communicates with cylinder block by opening, this setting makes the compact conformation of ail gun, the volume of whole rifle body is littler, make behind the releasing trigger air pressure in the return-air cabin greater than the air pressure in the cylinder block simultaneously, can rapidly piston and piston rod be automatically reset, not only energy savings can also improve fire efficiency.

Five, in the utility model, described control chamber is the cavity that the bonnet of cylinder head, balanced valve and rifle body is combined to form, and this setting makes the formation of control chamber simple, is easy to realize; And before cocking, elastic device can make the balanced valve behind the releasing trigger automatically reset rapidly and closely be connected with cylinder block, so that shooting next time.

Six, in the utility model, at described rifle body bonnet sealing gasket is set, can be fast by sealing gasket during cocking and block the exhaust passage effectively and communicate with atmosphere, prevent that air from entering in the cylinder block, guarantee that the interior compressed air of air storage chamber can promote piston moment and piston rod hits nail.

Seven, in the utility model, beam not only can reduce the impulsive force of ail gun when nail hitting, can also improve the accuracy rate of nail shooting.

Eight, in the utility model, described rifle head comprises barrel block and gun barrel, one side of described barrel block is fixedlyed connected with the rifle body, opposite side is connected with the gun barrel cover, described gun barrel is movably set in the gun barrel cover, and this structure can be by changing gun barrel cover and the gun barrel of different size, so that the nail of shooting different size, be conducive to improve the utilization rate of ail gun, the installing/dismounting of rifle head is more convenient simultaneously.

Nine, in the utility model, described limiting section can make gun barrel location gun barrel put, and improves installation precision and the shooting accuracy of gun barrel; The moving range of described pressing plate and body of a gun upper limit platform engagement limits gun barrel prevents from that gun barrel from putting from gun barrel to drop under the impact of piston rod; Described insurance pressing plate makes safeties be connected with trigger by through hole and safety groove and gun barrel flexible connection, further improves the security of ail gun; Described limited post is connected the displacement that is used for restriction insurance pressing plate with the insurance pressing plate, avoids because of the displacement of insurance pressing plate safeguard being damaged.

Ten, in the utility model, the nail casket is set not only makes the binding more simple and fast that becomes, the more row's nail of can also packing in the nail casket is realized the high-efficiency and continuous shooting; Nails introducer can be sent into the nail in the nail casket in the gun barrel automatically, and the nail in the gun barrel can be launched continuously, improves fire efficiency; If simultaneously the nail in the nail casket is not seldom or when having, push rod cooperates with recess and will stop gun barrel to be depressed, and expression at this moment need the adding nail, prevents blank firing.

11, in the utility model, retaining nail device can either prevent that nail from skidding off from the nail casket, also be convenient to take out the nail that does not use from the nail casket.

12, in the utility model; when needs are shot the nail of lacking than design specification; baffle can play position-limiting action to short specification nail; because nail is crooked the nail casket is damaged when preventing from shooting; simultaneously can stop the long size nail to be loaded into shooting, prevent from use using the inconsistent nail of length.

13, in the utility model, described nail casket is fixedlyed connected with handle by clamping plate, and this structure makes the stability of nail casket better.

14, in the utility model, described rifle head comprises barrel block and gun barrel, one side of described barrel block is fixedlyed connected with the rifle body, opposite side is slidingly connected by jump ring and gun barrel, described insurance pressing plate is between barrel block and gun barrel, this structure mainly is suitable for the shooting of bar for line, and the nail that different rifle heads just can be shot different size is installed, the utilization rate height of ail gun.

15, in the utility model, because the ejaculation dynamics of ail gun can reach 150J-190J, not only can moment nail be driven into wooden matrix, can also moment nail directly be driven in the hard substrate as iron and steel, concrete, brick setting or rock type, its scope of application is wide; Described ail gun can be shot nail and the bar for line that length is 19-62mm simultaneously, and on same rifle body, the rifle head that different size is installed just can be shot nail and the bar for line of different size, the utilization rate height of ail gun.

Description of drawings

Fig. 1 is cross section structure schematic diagram of the present utility model.

Fig. 2 is the structural representation of insurance pressing plate among the utility model embodiment 2.

Fig. 3 is the structural representation of gun barrel among the utility model embodiment 2.

Fig. 4 is the cross section structure schematic diagram of barrel block among the utility model embodiment 2.

Fig. 5 is the right TV structure schematic diagram of barrel block among the utility model embodiment 2.

Fig. 6 is the perspective view of rifle head among the utility model embodiment 2.

Fig. 7 is the structural representation of nails introducer among the utility model embodiment 3.

Fig. 8 is the structural representation of nails introducer and gun barrel combination among the utility model embodiment 3.

Fig. 9 is the structural representation of gun barrel among the utility model embodiment 6.

Figure 10 is the main TV structure schematic diagram of barrel block among the utility model embodiment 6.

Figure 11 is the plan structure schematic diagram of barrel block among the utility model embodiment 6.

Figure 12 is the perspective view of barrel block among the utility model embodiment 6.

Figure 13 is the assembly structure schematic diagram of rifle head among the utility model embodiment 6.

Figure 14 is the main TV structure schematic diagram of insurance pressing plate among the utility model embodiment 6.

Figure 15 is the left TV structure schematic diagram of insurance pressing plate among the utility model embodiment 6.

Figure 16 is the installation diagram of rifle head and rifle body in the embodiment of the invention 6.

Be labeled as among the figure: 1; the rifle body, 2; barrel block, 3; gun barrel, 4; balanced valve; 5; cylinder block, 6; piston, 7; piston rod, 8; inlet channel; 9; the compressed air inlet duct, 10; the return-air cabin, 11; air storage chamber, 12; the exhaust passage; 13; control chamber, 14; trigger, 15; valve, 16; shell; 17; bonnet, 18; cylinder head, 19; retainer ring, 20; safeguard; 21; the insurance pressing plate, 22; Insurance Block, 23; resilient key, 24; snap joint; 25; beam, 26; opening, 27; clamping plate; 28; the gun barrel cover, 29; pressing plate, 30; the rifle mouth; 31; the body of a gun, 32; limiting section, 33; limiting stand; 34; nail enters conduit 35; safety groove, 36; safety groove, 37; the nail casket; 38; nails introducer, 39; push rod, 40; baffle; 41; jump ring, 42; send the nail groove, 43; handle.

The specific embodiment

Embodiment 1

A kind of compressed air nailing rifle, comprise compressed air inlet duct 9, the rifle head, rifle body 1, safeties and control device, be provided with piston 6 assemblies and balanced valve 4 in the rifle body 1, described piston 6 assemblies comprise cylinder block 5, be slidingly arranged in piston 6 and piston rod 7 in the cylinder block 5, one end of piston rod 7 is fixedlyed connected with piston 6, the other end cooperates with the rifle head and hits nail, rifle body 1 bottom is provided with inlet channel 8, inlet channel 8 is connected with compressed air inlet duct 9, described safeties are connected with trigger 14 with the rifle head respectively and are used for 14 actions of control trigger, be provided with return-air cabin 10 and air storage chamber 11 between described cylinder block 5 and the rifle body 1, described control device comprises trigger 14 and valve 15, be provided with exhaust passage 12 in the described balanced valve 4, a side of balanced valve 4 cooperates with piston 6, and opposite side is provided with control chamber 13;

Not during cocking 14: described return-air cabin 10 communicates with cylinder block 5, and described air storage chamber 11 communicates with inlet channel 8, and described control chamber 13 is communicated with inlet channel 8 by valve 15, and described exhaust passage 12 communicates with atmosphere;

During cocking 14: described valve 15 cooperates control exhaust passage 12 to communicate with air storage chamber 11 with trigger 14, and exhaust passage 12 does not communicate with atmosphere, and control chamber 13 communicates with atmosphere, and control chamber 13 does not communicate with inlet channel 8.

Further, described valve preferably adopts valve commonly known in the art.

The preferred embodiment of present embodiment is, described safeties comprise safeguard 20, insurance pressing plate 21, Insurance Block 22 and spring, described Insurance Block 22 is fixedly installed on rifle body 1 bottom, one end of described spring is connected with Insurance Block 22, the other end is connected with insurance pressing plate 21, described safeguard 20 flexibly connects by resilient key 23 with trigger 14, and an end of described insurance pressing plate 21 and rifle head flexibly connect, and the other end passes Insurance Block 22 and cooperates 14 actions of control trigger with safeguard 20; Can guarantee the safe handling of ail gun by the safeties of uniqueness, namely under the situation of connecting compressed air and the nail of packing into, trigger 14 is in the non-stress state, cocking 14 can't be shot, have only after the rifle head presses down, one end of insurance pressing plate 21 contacts with safeguard 20, and trigger 14 can be stress point with the contact position of insurance pressing plate 21 and safeguard 20 just, and cocking 14 just can be finished the shooting of nail.

The another preferred embodiment of present embodiment is, described rifle body 1 bottom is fixedly connected with handle 43, described inlet channel 8 is arranged in the handle 43, be provided with siphunculus in described rifle body 1 shell 16, one end of siphunculus communicates with control chamber 13, described valve 15 is fixedly mounted on the handle 43 and is connected with inlet channel 8 with the other end of siphunculus respectively, trigger 14 and valve 15 are engaged in to be controlled atmosphere when blocking-up control chamber 13 communicates with inlet channel 8 and communicates with control chamber 13, handle 43 bottoms are provided with snap joint 24, described snap joint 24 1 ends communicate with inlet channel 8, and the other end is connected with compressed air inlet duct 9; Described rifle body 1 bonnet 17 is provided with sealing gasket, communicates with atmosphere by sealing gasket blocking-up exhaust passage 12 during cocking 14.

Further, when cocking 14, trigger 14 drives valve 15 disconnects control chamber 13 and inlet channel 8, control chamber 13 is communicated with atmosphere and block exhaust passage 12 by sealing gasket and communicate with atmosphere, along with increasing compressed air flows to air storage chamber 11, air pressure in the air storage chamber 11 is higher than the air pressure in the control chamber 13, balanced valve 4 moves to cylinder head 18 directions under the effect of pressure, make the little gap of generation between cylinder block 5 and the balanced valve 4, because the space of air storage chamber 11 is bigger, its compressed air is more, produce the gap in a flash between cylinder block 5 and balanced valve 4, the compression stroke in the air storage chamber 11 forms the gas bullet, and enters the nail that promotes in the cylinder block 5 in the piston rod 7 moments percussion rifle head, behind the releasing trigger 14, control chamber 13 is communicated with inlet channel 8 again, and exhaust passage 12 communicates with atmosphere and cylinder block 5 respectively, along with increasing compressed air enters control chamber 13, air pressure in the control chamber 13 constantly raises, thereby makes balanced valve 4 homings.

The another preferred embodiment of present embodiment is, described cylinder block 5 outer surfaces are provided with retainer ring 19, and described retainer ring 19 is divided into return-air cabin 10 and air storage chamber 11 with the cavity between cylinder block 5 and the rifle body 1; Quantity and the position of wherein said opening 26 arrange according to actual needs, and described cylinder block 5 all can adopt structure commonly known in the art with the connected mode of retainer ring 19 and the constituted mode of return-air cabin 10 and air storage chamber 11;

Further, behind the cocking 14, described piston 6 drives piston rod 7 with very high and strong speed bump nail under compressed-air actuated promotion, in this process, because return-air cabin 10 communicates with cylinder block 5 by opening 26, therefore the gas in the cylinder block 5 flows to return-air cabin 10 by opening 26 respectively and overflows to the external world from the rifle head, when the position of piston 6 motion surpasses the opening 26 at 10 middle parts, corresponding return-air cabin and continue to move to cylinder block 5 ends, compressed air in the cylinder block 5 also enters in the return-air cabin 10 by opening 26, behind the releasing trigger 14, gas in the cylinder block 5 communicates with atmosphere by the exhaust passage 12 on the balanced valve 4, its pressure is less than the pressure in the return-air cabin 10, and therefore the pressure differential by gases in return-air cabin 10 and the cylinder block 5 can make piston 6 and piston rod 7 automatically reset.

The another preferred embodiment of present embodiment is, described piston 6 assemblies also comprise cylinder head 18, and the cavity that described control chamber 13 is combined to form for the bonnet 17 of cylinder head 18, balanced valve 4 and rifle body 1 is provided with elastic device between described cylinder head 18 and the balanced valve 4; Wherein elastic device is preferably spring, and the balanced valves 4 before the cocking 14 are closely combined with cylinder block 5, can make the balanced valve 4 quick homings behind the releasing trigger 14 again;

The another preferred embodiment of present embodiment is, described cylinder block 5 ends are provided with beam 25, and beam 25 not only can reduce the impulsive force of ail gun when nail hitting, can also improve the accuracy rate of nail shooting

Embodiment 2

Present embodiment and above-described embodiment are basic identical, and the main distinction is: described rifle head comprises barrel block 2 and gun barrel 3, and a side of described barrel block 2 is fixedlyed connected with rifle body 1, and opposite side is connected with gun barrel cover 28, and described gun barrel 3 is movably set in the gun barrel cover 28; Wherein said gun barrel cover 28 is preferably integrated setting with barrel block 2, and is better to the stability of gun barrel 3;

The another preferred embodiment of present embodiment is, described gun barrel cover 28 is concave structure, offers through hole and limited post on the wherein side of this spill gun barrel cover 28, and its opening surface is provided with pressing plate 29, its bottom surface offers send nail groove 42, and fixedlys connected with nail casket 37; Described gun barrel 3 comprises rifle mouth 30 and the body of a gun 31, be provided with limiting section 32 between rifle mouth 30 and the body of a gun 31, offer nail on the described body of a gun 31 and enter conduit 34, safety groove 35, safety groove 36 and limiting stand 33, nail in the nail casket 37 enters gun barrel 3 by sending nail groove 42 and nail to enter conduit 34, the moving range of described pressing plate 29 and limiting stand 33 engagement limits gun barrels 3, described insurance pressing plate 21 flexibly connects with gun barrel 3 by through hole and safety groove 36, described limited post is connected the displacement that is used for restriction insurance pressing plate 21 with insurance pressing plate 21, the structure of wherein said insurance pressing plate 21 as shown in Figure 2, offer conduit on the end that is connected with limited post, insurance pressing plate 21 is by the displacement of conduit and limited post engagement limits insurance pressing plate 21; Described pressing plate 29 is preferably with the spill gun barrel and overlaps the suitable concave structure of 28 shapes, and above-mentioned set-up mode is preferred, but is not limited to above-mentioned set-up mode, for example pressing plate 29 also can for the suitable plate-like piece of the openings of sizes of spill gun barrel cover 28.

Further, described rifle mouth 30 is preferably tubular structure, and the described body of a gun 31 is preferably and spill gun barrel cover 28 quadrilateral structures that are complementary.

The another preferred embodiment of present embodiment is that described nail casket 37 is fixedlyed connected with handle 43 by clamping plate 27, makes the installation of nail casket 37 more firm.

In the present embodiment, the structure that described rifle head cooperates with nail casket 37 is the high-efficiency and continuous shooting of the row's of being suitable for nail mainly.

The building block principle of rifle head is in the present embodiment: the body of a gun 31 is inserted in the Baltimore groove of gun barrel cover 28, limiting section 32 until gun barrel 3 contacts with the end of gun barrel cover 28, nail on the body of a gun 31 enters and sending nail groove 42 corresponding in conduit 34 and the gun barrel cover 28, pressing plate 29 is arranged between the limiting section 32 and limiting stand 33 of gun barrel 3, and be fixed on the gun barrel cover 28, the assembling of rifle head is finished.

Embodiment 3

Present embodiment and above-described embodiment are basic identical, the main distinction is: be provided with nails introducer 38 in the described nail casket 37, preferably at described nails introducer 38 wind spring is installed, one end of wind spring is fixed on nail casket 37 upper ends, when guaranteeing in nail casket 37, to pack into the nail shooting, can provide the power that replenishes nail to gun barrel 3;

Further, preferably at described nails introducer 38 push rod 39 is set, described sending in the nail groove 42 recess is set, when the nail of nail in the casket 37 seldom or when shooting away, push rod 39 enters safety groove 35 by recess and prevents blank firing, makes gun barrel 3 can't press down the promotion safeties, can prevent blank firing.

Embodiment 4

Present embodiment and above-described embodiment are basic identical, the main distinction is: described nail casket 37 is provided with the retaining nail device that prevents that nail from dropping, described retaining nail device preferably is arranged on nail casket 37 bottoms, retaining nail device can prevent that nail from skidding off in nail casket 37, when taking out the nail that does not shoot away, pressing retaining nail device can be from 37 mouthfuls of taking-up of nail casket, binding and to unload the nail process safer, convenient.

Embodiment 5

Present embodiment and above-described embodiment are basic identical, and the main distinction is: be installed with baffle 40 in the described nail casket 37, an end of described baffle 40 is positioned at and send nail groove 42, and flushes with sending nail groove 42;

Further; described baffle 40 is preferably platy structure; when needs are shot the nail of lacking than design specification; baffle 40 can play position-limiting action to short specification nail; because nail is crooked nail casket 37 is damaged when preventing from shooting; simultaneously can stop the long size nail to be loaded into shooting, prevent from use using the inconsistent nail of length.

Embodiment 6

Present embodiment is substantially the same manner as Example 1, the main distinction is: described rifle head comprises barrel block 2 and gun barrel 3, one side of described barrel block 2 is fixedlyed connected with rifle body 1, opposite side is slidingly connected by jump ring 41 and gun barrel 3, described insurance pressing plate 21 is between barrel block 2 and gun barrel 3, above-mentioned being set to preferably, but be not limited to above-mentioned set-up mode.

Described gun barrel 3 comprises rifle mouth 30 and the body of a gun 31, be provided with limiting section 32 between rifle mouth 30 and the body of a gun 31, the described body of a gun 31 is slidingly connected in the gun barrel cover 28 by jump ring 41, the structure of described insurance pressing plate 21 is shown in Figure 14,15, the one end is provided with the fixing hole that is complementary with the body of a gun 31 shapes, insurance pressing plate 21 is set on the body of a gun 31 by fixing hole, and this structure can stably be connected between rifle head and the trigger 14 insurance pressing plate 21, can not drop.

Further, preferably be provided with depressed part on the described body of a gun 31, on be provided with connecting hole, jump ring 41 is connected with gun barrel 3 by the connecting hole on depressed part and the gun barrel cover 28.

In the present embodiment, described rifle header structure mainly is suitable for the shooting of bar for line.

The building block principle of rifle head is in the present embodiment: the body of a gun 31 at first passes the fixing hole on the insurance pressing plate 21, insert again in the gun barrel cover 28 and contact with gun barrel cover 28 until limiting section 32, jump ring 41 is inserted from the connecting hole on depressed part and the gun barrel cover 28, and the assembling of rifle head is finished.

Operation principle of the present utility model is: before the cocking 14, at first compressed air inlet duct 9 is communicated with inlet channel 8 by the snap joint 24 on the handle 43, this moment, inlet channel 8 communicated with control chamber 13 and air storage chamber 11 respectively, return-air cabin 10 communicates with atmosphere with exhaust passage 12, and exhaust passage 12 communicates with atmosphere.Press down gun barrel 3 again, gun barrel 3 drives insurance pressing plate 21 and contacts with safeguard 20, makes trigger 14 be in stress.Behind the cocking 14, trigger 14 and valve 15 cooperate make control chamber 13 with control chamber 13 is communicated when inlet channel 8 disconnects with atmosphere, along with increasing gas enters air storage chamber 11, the air pressure of air storage chamber 11 is higher than the air pressure in the control chamber 13, balanced valve 4 moves to cylinder head 18 directions under the effect of pressure, make the little gap of generation between cylinder block 5 and the balanced valve 4, sealing gasket blocking-up exhaust passage 12 on rifle body 1 bonnet 17 communicates with atmosphere at this moment, exhaust passage 12 is communicated with cylinder block 5, because the space of air storage chamber 11 is bigger, its compressed air is more, between cylinder block 5 and balanced valve 4, produce the gap in a flash, compression stroke in the air storage chamber 11 forms the gas bullet, promote piston rod 7 to gun barrel 3 direction high-speed motions, gas in the cylinder block 5 flows to return-air cabin 10 by opening 26 respectively and overflows to the external world from the rifle head, when the position of piston 6 motions surpasses the opening 26 at 10 middle parts, corresponding return-air cabin, compressed air in the cylinder block 5 also enters in the return-air cabin 10 by opening 26, when piston 6 contacts with the beam 25 of cylinder block 5 ends, nail in the gun barrel 3 is pulled the trigger, and the air pressure in the return-air cabin 10 is greater than the air pressure in the cylinder block 5 at this moment.Behind the releasing trigger 14, control chamber 13 is communicated with inlet channel 8 again, the gas that cylinder block 5 is discharged in it by exhaust passage 12, this moment, return-air cabin 10 interior air pressure were higher than the air pressure in the cylinder block 5, compressed air in the return-air cabin 10 pushes up back original position by the opening 26 of cylinder block 5 ends with piston 6, and along with increasing compressed air enters control chamber 13, the air pressure in the control chamber 13 constantly raises, thereby make balanced valve 4 homings, so that shooting next time.

Obviously; those of ordinary skill in the art is according to the technological know-how of grasping and customary means; according to above said content, can also make the various ways that does not break away from the utility model basic fundamental thought, these pro forma conversion are all within protection domain of the present utility model.

Claims (9)

1. compressed air nailing rifle, comprise compressed air inlet duct (9), the rifle head, rifle body (1), safeties and control device, be provided with piston (6) assembly and balanced valve (4) in the rifle body (1), described piston (6) assembly comprises cylinder block (5), be slidingly arranged in piston (6) and piston rod (7) in the cylinder block (5), one end of piston rod (7) is fixedlyed connected with piston (6), the other end cooperates with the rifle head and hits nail, rifle body (1) bottom is provided with inlet channel (8), inlet channel (8) is connected with compressed air inlet duct (9), it is characterized in that: described safeties are connected with trigger (14) with the rifle head respectively and are used for control trigger (14) action, be provided with return-air cabin (10) and air storage chamber (11) between described cylinder block (5) and the rifle body (1), described control device comprises trigger (14) and valve (15), be provided with exhaust passage (12) in the described balanced valve (4), one side of balanced valve (4) cooperates with piston (6), and opposite side is provided with control chamber (13);

Not during cocking (14): described return-air cabin (10) communicates with cylinder block (5), described air storage chamber (11) communicates with inlet channel (8), described control chamber (13) is communicated with inlet channel (8) by valve (15), and described exhaust passage (12) communicate with atmosphere;

During cocking (14): described valve (15) cooperates control exhaust passage (12) to communicate with air storage chamber (11) with trigger (14), exhaust passage (12) does not communicate with atmosphere, control chamber (13) communicates with atmosphere, and control chamber (13) does not communicate with inlet channel (8).

2. a kind of compressed air nailing rifle as claimed in claim 1, it is characterized in that: described safeties comprise safeguard (20), insurance pressing plate (21), Insurance Block (22) and spring, described Insurance Block (22) is fixedly installed on rifle body (1) bottom, one end of described spring is connected with Insurance Block (22), the other end is connected with insurance pressing plate (21), described safeguard (20) flexibly connects by resilient key (23) with trigger (14), one end of described insurance pressing plate (21) and rifle head flexibly connect, and the other end passes Insurance Block (22) and cooperates control trigger (14) action with safeguard (20).

3. a kind of compressed air nailing rifle as claimed in claim 1 or 2, it is characterized in that: described rifle body (1) bottom is fixedly connected with handle (43), described inlet channel (8) is arranged in the handle (43), be provided with siphunculus in described rifle body (1) shell (16), one end of siphunculus communicates with control chamber (13), described valve (15) is fixedly mounted on handle (43) upward and is connected with inlet channel (8) with the other end of siphunculus respectively, trigger (14) and valve (15) are engaged in blocking-up control chamber (13) and control atmosphere when communicating with inlet channel (8) and communicate with control chamber (13), handle (43) bottom is provided with snap joint (24), described snap joint (24) one ends communicate with inlet channel (8), and the other end is connected with compressed air inlet duct (9).

4. a kind of compressed air nailing rifle as claimed in claim 1, it is characterized in that: described piston (6) assembly also comprises cylinder head (18), the cavity that described control chamber (13) is combined to form for the bonnet (17) of cylinder head (18), balanced valve (4) and rifle body (1) is provided with elastic device between described cylinder head (18) and the balanced valve (4).

5. a kind of compressed air nailing rifle as claimed in claim 1, it is characterized in that: described rifle body (1) bonnet (17) is provided with sealing gasket, blocks exhaust passage (12) by sealing gasket during cocking (14) and communicates with atmosphere.

6. as claim 1,2 or 4 described a kind of compressed air nailing rifles, it is characterized in that: described rifle head comprises barrel block (2) and gun barrel (3), one side of described barrel block (2) is fixedlyed connected with rifle body (1), opposite side is connected with gun barrel cover (28), and described gun barrel (3) is movably set in the gun barrel cover (28).

7. a kind of compressed air nailing rifle as claimed in claim 6, it is characterized in that: described gun barrel cover (28) is concave structure, offer through hole and limited post on the wherein side of this spill gun barrel cover (28), its opening surface is provided with pressing plate (29), its bottom surface offers send nail groove (42), and fixedlys connected with nail casket (37); Described gun barrel (3) comprises rifle mouth (30) and the body of a gun (31), be provided with limiting section (32) between rifle mouth (30) and the body of a gun (31), offer nail on the described body of a gun (31) and enter conduit (34), safety groove (35), safety groove (36) and limiting stand (33), nail in the nail casket (37) enters gun barrel (3) by sending nail groove (42) and nail to enter conduit (34), described pressing plate (29) cooperates spacing gun barrel (3) with limiting stand (33), described insurance pressing plate (21) flexibly connects with gun barrel (3) by through hole and safety groove (36), and described limited post is connected the displacement that is used for restriction insurance pressing plate (21) with insurance pressing plate (21).

8. a kind of compressed air nailing rifle as claimed in claim 7, it is characterized in that: be provided with nails introducer (38) in the described nail casket (37), be connected with push rod (39) on the nails introducer (38), described sending in the nail groove (42) offers recess, and push rod (39) does not enter safety groove (35) by recess and prevents blank firing when having nail in the nail casket (37).

9. as claim 1,2,4 or 5 described a kind of compressed air nailing rifles, it is characterized in that: described rifle head comprises barrel block (2) and gun barrel (3), one side of described barrel block (2) is fixedlyed connected with rifle body (1), opposite side is slidingly connected by jump ring (41) and gun barrel (3), and described insurance pressing plate (21) is positioned between barrel block (2) and the gun barrel (3).

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