CN105619338B - A kind of pneumatic dowel rifle - Google Patents

Abstract

The present invention relates to a kind of pneumatic dowel rifle, its composition includes：Power section and action part, power section include：Air chamber and handle and the support plate of preceding outside below air chamber, cylinder in air chamber and impact piston, after hit the route controller in balanced valve, handle；Action part includes：Slewing equipment on support plate, piston rod, the back stitching installed in piston rod front end are hammered into shape, are turned thorax and are followed closely the rifle mouth and support plate of thorax and locating pin thorax, and the cartridge clip of installation below support plate, dowel rifle plenum interior is the cavity for installing cylinder；A high pressure air cavity is formed between cylinder and air chamber, high pressure air cavity connects with the high-pressure gas circuit of handle inner, and beneficial effect is：The present invention combines newly-designed dowel, solve bamboo and wood and follow closely the strength that itself can not bear to tear wood-fibred and overcome the frictional force constantly increased to enter required for timber, the problem of causing bamboo and wood nail itself easily to be decomposed in impact, substantially increases the speed and efficiency squeezed into.

Description

A kind of pneumatic dowel rifle

Technical field

The present invention relates to a kind of air nail gun, more particularly to a kind of pneumatic dowel rifle.

Background technology

Timber Joining Technology mainly includes in the world at present：Gluing connection, nail connection and pin connection, tenon connection.Pin Connection is Joining Technology the most frequently used in timber connection, and wherein most wide with air nail gun and iron gas nail Joining Technology use. Iron gas nail Joining Technology provides power using air pump, and the connection of timber is completed by air nail gun flying hit iron gas nail；Cause Its efficient, easy handling characteristics is used in building extensively, furniture, and the wood materials in decoration industry connect.

But during iron gas nail use, because its material factors there are problems that reality that some can not overcome using；It is main It is embodied in：Shake under occasion, iron nail is higher than the hardness of wood, easily occurs to cause connection loosening, irony material compared with nail on summer wood Material easily gets rusty in wet environment, reduces bonding strength, metal and timber unlike material cause to connect that exterior aesthetics are not good enough, iron Air nail is excessively tiny to be reclaimed, and iron air nail is remained in timber can cause cutter head to damage and make the timber containing nail can not recycling So as to be unfavorable for environmental protection.

And Chinese tradition tenon structure is because of the wood elastic deformation amount similar to great friction coefficient, stress between wood so that wood Connected between material, antidetonation firmness connects better than iron nail, substitutes iron air nail with bamboo or wooden peg, is realized as tenon structure to wood The connection of the materials such as material；Weaken the corresponding problem occurred in above-mentioned iron air nail technique with regard to that can eliminate.The nearly more than ten years are not parked various The form and manufacture craft of bamboo or raft nail occur, but more hardness for improving bamboo or wooden peg and strong that all process route is focused on On degree, due to bamboo or timber hardness and hardness the uniformity material limitation under, using which kind of technique at this stage all without Method reaches the hardness and the uniformity of metal, and this, which allows for bamboo or wooden peg body, can not bear to tear wood-fibred and overcome what is constantly increased Frictional force enters the strength needed for timber, causes bamboo or wooden peg itself to be decomposed in impact；It is this to apply mechanically what iron nail was directly squeezed into The mode of thinking, bamboo or wooden peg are directly impacted with air nail gun makes it directly squeeze into the mode of timber due to beating as impact iron air nail Enter the problems such as rate is low unstable without possessing the meaning of reality implementation.

Currently on the market, it is seldom that bamboo and wood dowel air nail gun can be used for, bamboo and wood to be followed closely when squeezing into, and is held due to following closely material Split easily occurs, situations such as fracture, has a strong impact on continuing for operation.

The content of the invention

It is an object of the invention to the bamboo and wood dowel air nail gun produced for prior art due to its reasons in structure, cause bamboo When squeezing into, split easily occurs wooden peg for bamboo and wood nail, situations such as fracture, has a strong impact on the deficiency continued of operation, and carries For a kind of using the do action structure for going out nail after first nail so that bamboo and wood is followed closely when squeezing into, and is not susceptible to the feelings such as split, fracture A kind of pneumatic dowel rifle of condition.

The object of the present invention is achieved like this：

A kind of pneumatic dowel rifle, including power section and action part, it is characterised in that：

The power section includes the air chamber of monoblock cast, the handle positioned at air chamber bottom, the cylinder in air chamber, Impact piston in cylinder, control gases at high pressure flow direction forward play balanced valve and forward play valve seat and after hit balanced valve and after hit Valve seat, and the route controller in handle；

The action part includes slewing equipment, the piston rod of connection impact piston, the back stitching installed in piston rod front end Hammer into shape, constraint back stitching hammer turns thorax and nail thorax and the rifle mouth positioned at nail thorax front end with integral power path, below rifle mouth Support plate, and the cartridge clip below support plate；

The piston rod through hit behind cylinder front end and air chamber front end balanced valve and after hit valve seat and extend to outside air chamber, Piston rod can not be rotatable around its axis；The back stitching hammer is movably arranged on the end that piston rod is located at outside air chamber, and back stitching is hammered into shape It can be rotated around the axis of piston rod；Through two end face, positioned at the lower section of piston rod axis and and piston rod on back stitching hammer Axis equidistant parallel is provided with two round needle holes, and hole pin and nail pin, the front portion of the hole pin are respectively arranged with the round needle hole For circular cone tip, the front portion for following closely pin is tack, and the length of hole pin is more than the length of nail pin, and the hole pin and nail pin are located at back stitching The equal projection in end at hammer rear has a firing pin cap, and the diameter of the firing pin cap is more than the diameter in the round needle hole on back stitching hammer；Institute State piston rod underface, it is parallel with piston rod be fixedly installed a bar shaped hammer, the front end of the bar shaped hammer is located at back The rear of pin hammer.

Piston rod front portion line centered on mobile jib body axis is provided with Step Shaft, and Step Shaft is symmetrically arranged at the front end with one To lug, the back stitching hammer is cylinder, and it is provided centrally with the lug slotted eye adaptable with lug shape, size, Step Shaft After anterior lug passes through lug slotted eye, back stitching hammer can rotate around Step Shaft.

The thorax that turns is cylinder-like structure, and its rear portion is located at the outer wall of air chamber front end, is centered on piston rod axis heavy In hole, back stitching hammer is in the bore for turning thorax and can be moved forward and backward along bore, and the slewing equipment, which is arranged on, turns thorax close to air chamber One end outside, turn position between thorax and support plate.

The outside of the back stitching hammer hammer body, the bar shaped cunning wing is arranged in an axially parallel mode with hammer body, it is described to turn to process on thorax thorax body There is a cunning wing groove of straight line, the bar shaped on back stitching hammer hammer body is slided the wing and is embedded in sliding wing groove, and back stitching hammer can not rotate relative to thorax is turned.

The nail thorax is cylindrical-shaped structure, and the rear portion for following closely thorax is closely connected at the front portion for turning thorax, the rifle mouth rear portion Half slot is provided with, the anterior insertion of nail thorax is arranged in the half slot at rifle mouth rear portion, through two end faces of nail thorax and with following closely thorax Diameter parallel is provided with the hole pin hole and nail needle tray corresponding with upper two nail of back stitching hammer, after two firing pin is hammered into shape through back stitching, It is placed in hole pin hole and nail needle tray；The rifle mouth lower front, rifle mouth is provided with out nail, it is described go out nail axis with The axis of bar shaped hammer overlaps；The rear portion of the rifle mouth is provided with a half slot, and the size of the half slot is with following closely the outer of thorax Footpath size matches, and the position corresponding with following closely the nail needle tray of thorax is provided with strip and crosses nail slotted eye on the body of the half slot, Cartridge clip was located at below nail slotted eye, and the geomery for crossing tenon nail in the geomery and cartridge clip of following closely slotted eye matches.

The cylinder is horizontally set in air chamber, and fixation is vertically arranged between the lateral wall of cylinder and the madial wall of air chamber Connector, the air chamber of fixedly connected part both sides keep insertion, a high pressure air cavity are formed between the cylinder and air chamber, cylinder Former and later two end faces are respectively positioned in high pressure air cavity, and inlet channel is offered in the side wall of the air chamber, and the inlet channel makes height Calm the anger the high-pressure gas circuit insertion of chamber and handle inner；Balanced valve is hit after being provided between the front end of the air chamber, air chamber and cylinder, Hit afterwards balanced valve hit after valve seat be arranged on air chamber front end end, after hit balanced valve end face and cylinder front end face it is close It is fitted and connected；Forward play balanced valve is provided between the rear end of the air chamber, air chamber and cylinder, forward play balanced valve passes through forward play valve seat Installed in the end of air chamber rear end, and connection is brought into close contact between the end face of forward play valve seat and the rear end face of cylinder.

There is the groove of a depression in the handle, handle and its internal groove are integrated casting, and groove is provided with gas Road control device；

The route controller includes being arranged on the anterior trigger of handle, is arranged on the first control gas at trigger rear Valve, small cylinder be connected by pipeline with the first control air valve, in the groove in handle and its interior piston, are arranged on The operating spring at small cylinder both ends, the action bar being fixedly connected with the piston, two needle-valves are correspondingly arranged on action bar, wherein one Individual needle-valve is connected by gas circuit with forward play balanced valve, forward play valve seat, another needle-valve by gas circuit and after hit balanced valve, after hit valve Seat connection.

The slewing equipment, which includes being arranged on, to be turned the revolving sleeve with gear between thorax rear portion and support plate, is enclosed on and turns one outside thorax End is fixed on the torsion spring turned on thorax, is enclosed on gear wheel and be arranged on that the thorax that turns to rotate on thorax rotates and be connected with the torsion spring other end Transition gear group in support plate；The processing of revolving sleeve rear portion is fluted, has small lugs with groove correspondence position projection outside air chamber.

The present invention has advantages below：

1. the present invention uses the structure of new air nail gun, in nailing, rifle mouth first punches in the structure for need nailing, this Sample greatly reduces dowel and is easily broken in itself and the problem of insufficient strength, while can greatly improve the speed of nailing.

2. substituted iron with bamboo or the straight nail of wood and directly followed closely with the advantage in technical performance；Due to bamboo and wood, wood first in attachment force Coefficient of friction between wood is greater than the coefficient of friction between hophornbeam, bamboo or wooden peg and the attachment force between institute's connecting object is higher than Use attachment force caused by iron nail；Similar elastic deformation amount between same material so that used in the environment for shaking and rocking Bamboo or wooden peg connection are more stable and firm compared with using iron nail；Compared to the oxidation reaction of metallic iron, using bamboo or wooden peg in tide In wet environment will not oxidation corrosion, using similar materials bamboo or wooden peg between timber connection and without head of a nail structure, top layer Visual attractiveness after processing is better than the iron nail connection of unlike material.

Brief description of the drawings

Fig. 1 is the main view cross section structure diagram of pneumatic dowel rifle provided by the invention.

Fig. 2 turns thorax for pneumatic dowel rifle provided by the invention, follows closely thorax partial top cross section structure diagram.

Fig. 3 is the perspective cross-sectional structural representation for turning thorax, following closely thorax point of pneumatic dowel rifle provided by the invention.

Fig. 4 is the local perspective cross-sectional structural representation of the rifle mouth of pneumatic dowel rifle provided by the invention.

The perspective cross-sectional structural representation of the back stitching hammer portion of Fig. 5 pneumatic dowel rifles provided by the invention.

Fig. 6 is the left view structural representation of the back stitching hammer portion point of pneumatic dowel rifle provided by the invention.

Fig. 7 is the slewing equipment revolving sleeve outer mounting structure schematic diagram of pneumatic dowel rifle provided by the invention.

Fig. 8 is the slewing equipment revolving sleeve interior structure schematic diagram of pneumatic dowel rifle provided by the invention.

Fig. 9 turns thorax, revolving sleeve spatial rotational positional structure schematic diagram for pneumatic dowel rifle provided by the invention.

Figure 10 is revolving sleeve space orientation structural representation in the pneumatically slewing equipment of dowel rifle provided by the invention.

Figure 11 is the route controller main structure diagram of pneumatic dowel rifle provided by the invention.

Figure 12 is the route controller left view structural representation of pneumatic dowel rifle provided by the invention.

Figure 13 is the handle portion cross section structure diagram of pneumatic dowel rifle provided by the invention.

In figure：1st, air chamber；2nd, handle；3rd, cylinder；4th, piston is impacted；5th, forward play balanced valve；6th, balanced valve is hit after；7th, gas circuit Control device；8th, slewing equipment；9th, piston rod；10th, back stitching is hammered into shape；11st, thorax is turned；12nd, thorax is followed closely；13rd, rifle mouth；14th, support plate；15th, bullet Folder；16th, hole pin；17th, pin is followed closely；18th, bar shaped hammer；19th, lug；20th, lug slotted eye；21st, the wing is slided in bar shaped；22nd, sliding wing groove；23、 Go out nail；24th, nail slotted eye is crossed；25th, fixedly connected part；26th, high pressure air cavity；27th, inlet channel；28th, valve seat is hit after；29th, forward play Valve seat；30th, revolving sleeve；31st, torsion spring；32nd, gear wheel；33rd, transition gear group.

Embodiment

Employed it is an object of the invention to provide one kind and double-click pin parallel arrangement, by swinging, two firing pins rotate respectively To immediately below the impact axis of piston 4, and in the case where the convex bar shaped hammer 18 of the impact body of rod of piston 4 and back stitching hammer 10 drive, successively The pneumatic dowel rifle of action got hole and dowel is squeezed into along hole is completed, concrete structure is as follows：

A kind of pneumatic dowel rifle, as shown in Fig. 1 ~ 9, including power section and action part, wherein being complete for power section The power source of portion's action, action part are to complete punching, squeeze into the structure of dowel and switching motion；In power section, this dowel Rifle using high pressure gas as power source, by the piston in high pressure gas pusher cylinder 3, and the piston rod 9 being fixedly connected with the piston Outwards output power, power section use can make the both ends of cylinder 3 enter the structure of high pressure gas, include the part of air chamber 1 of monoblock cast Cylinder 3 and impact piston 4 with being installed in the handle 2 and the support plate 14 of preceding outside, air chamber 1 below air chamber 1, control high pressure draught To balanced valve and valve seat and handle 2 in the route controller 7 installed；

Front portion is support plate 14 outside the part of air chamber 1, and the connection that support plate 14 is used for operating member is installed, and is high pressure inside air chamber 1 The cavity of flow of air and installation cylinder 3；A fixed company is vertically arranged between the lateral wall of cylinder 3 and the madial wall of air chamber 1 Fitting 25, the air chamber 1 positioned at the both sides of fixedly connected part 25 keep insertion, a high pressure air cavity are formed between cylinder 3 and air chamber 1 26, former and later two end faces of cylinder 3 are respectively positioned in high pressure air cavity 26, and an inlet channel 27 is offered in the side wall of air chamber 1, are led to Crossing the inlet channel 27 penetrates the high-pressure gas circuit inside high pressure air cavity 26 and handle 2；In the front end of air chamber 1, air chamber 1 and cylinder Balanced valve 6 is hit after being provided between 3, after hit balanced valve 6 hit after valve seat 28 be arranged on the front end of air chamber 1 end, after hit it is flat The end face of weighing apparatus valve 6 is brought into close contact with the front end face of cylinder 3 to be connected, and high pressure air cavity 26 is completely cut off with the front end face of cylinder 3, valve is hit after When 28 mesohigh gas of seat are blocked under the control of route controller 7, the high pressure gas in high pressure air cavity 26 hits balanced valve 6 after promoting After move, the mesohigh gas of high pressure air cavity 26 from the front end of cylinder 3 enter, promote impact piston 4 be moved rearwards after the completion of hit；In air chamber 1 Rear end, be provided with forward play balanced valve 5 between air chamber 1 and cylinder 3, forward play balanced valve 5 is arranged on air chamber 1 by forward play valve seat 29 The end of rear end, and connection is brought into close contact between the rear end face of the end face of forward play balanced valve 5 and cylinder 3, make high pressure air cavity 26 with The rear end face of cylinder 3 completely cuts off, when the mesohigh gas of forward play valve seat 29 is blocked under the control of route controller 7, high pressure air cavity 26 In high pressure gas promote forward play balanced valve 5 after move, the mesohigh gas of high pressure air cavity 26 enters from the rear end of cylinder 3, promotes impact piston 4 Travel forward and complete forward play.

Above-mentioned action part includes the piston rod 9 that piston 4 is impacted in connection cylinder 3, the back stitching anterior installed in piston rod 9 Hammer 10 into shape, constrain the thorax 11 that turns of back stitching hammer 10 and integral power path makes dowel into nail with thorax 12, locating pin thorax 12 and cooperation is followed closely The rifle mouth 13 and support plate 14 of thorax 12, and the cartridge clip 15 of the lower section of support plate 14 installation；

Impacted in cylinder 3 and piston rod 9 is installed on piston 4, piston rod 9 is that the square lower section in section is raised or circle lower section is convex The long rod risen, the body of rod is arranged in the vertical plane by the center line of cylinder 3 with main shaft, and with the position of the diameter parallel of cylinder 3 Put and be closely connected with impact piston 4, piston rod 9 advance through fight back after the installation of air chamber 1 front end hit balanced valve 6 and after hit valve seat Air chamber 1 is passed behind the hole of similar shape on 28 rear walls and air packing, the confined piston bar 9 in the rear wall similar shape hole of valve seat 28 is hit by after It can not be rotated around mobile jib body axis, ensure that bar shaped hammer 18 raised on the body of piston rod 9 is partially in immediately below body of rod main shaft； The front portion of piston rod 9 line processing step axle centered on mobile jib body axis, cylindric back stitching hammer 10 centers processing corresponding circle hole installation into shape On Step Shaft, stopped by Step Shaft front portion restraint device, back stitching hammer 10 is rotated around Step Shaft and same with piston rod 9 Step is movable；Specifically, the front portion of piston rod 9 line centered on mobile jib body axis is provided with Step Shaft, Step Shaft front end pair Title is provided with a pair of lugs 19, and back stitching hammer 10 is cylinder, and it is provided centrally with the lug adaptable with the shape of lug 19, size Slotted eye 20, after the anterior lug 19 of Step Shaft is through lug slotted eye 20, back stitching hammer 10 can rotate around Step Shaft；Under back stitching hammer 10 Portion is machined with two round needle holes with center line equidistant parallel, and in a manner of being coordinated in two pin holes by gap, one is equipped with anterior circular cone The hole pin 16 of point, size length, equipped with the short nail pin 17 of anterior tack, size, two firing pin rear portions have more than pin hole for another Needle cap, firing pin is set to be moved backward in the case where back stitching hammer 10 drives；When firing pin is turned to immediately below the axis of piston rod 9, firing pin cap It is placed exactly in immediately ahead of the part of bar shaped hammer 18 of the body lower convexity of piston rod 9, the thickness of bar shaped hammer 18 is suitable with firing pin cap, works as work Bar shaped hammer 18 promotes and that root firing pin positioned at front can only be promoted to travel forward when stopper rod 9 travels forward；Cylindric Turn the rear portion of thorax 11 to be placed in the counterbore that the outer wall of air chamber 1 is processed centered on the main shaft of piston rod 9, turn the center of thorax 11 and be machined with circle Hole, back stitching hammer 10 coordinates to be placed in circular hole with gap can slide back and forth operation along circular hole, turn direct-axis line on the thorax body of thorax 11 and be machined with The cunning wing groove 22 of straight line, it is fixed on the bar shaped that back stitching is hammered into shape on 10 hammer bodies and slides the wing 21 in sliding wing groove 22, make back stitching hammer 10 and turn Thorax 11 can not relatively rotate, and cylindric nail thorax 12, which is fitted close to be arranged on, turns the front portion of thorax 11, and the nail thorax body of thorax 12 is arranged on rifle In the semi-circular groove of the corresponding size at the rear portion of mouth 13, nail thorax 12 below with back stitching hammer into shape 10 on two pin holes it is corresponding be machined with hole pin hole and Needle tray is followed closely, after hole pin 16 and nail pin 17 hammer 10 into shape through back stitching, corresponds to be placed in the hole of hole pin 16 and nail needle tray respectively, and in hole pin 16 and nail pin 17 is front and rear that all the time in hole pin hole and nail needle tray, nail thorax 12 front central processes a pin hole for front portion when running, On the rear wall of 13 upper half-round slot front portion rifle mouth of rifle mouth 13 pin hole, the He of pin connected nail thorax 12 are equally machined with by semicircle groove center line Rifle mouth 13；Rifle mouth 13 is installed, makes the pin hole on rifle mouth 13 on the impact main shaft of piston 4, installed in rifle mouth 13 and air chamber 1 Between counterbore turn thorax 11 and close-connected nail thorax 12 axis just overlaps with impacting the main shaft of piston 4, and can be led around piston rod 9 Axis rotates；Rifle mouth 13 is anterior, on the basis of turning to the firing pin axis when main shaft of piston rod 9 just descends by firing pin processing one go out Nail 23；Follow closely in the pop-stud needle tray of outside dimension of thorax 12 and set on the basis of the size of a piece dowel of receiving, the rear portion semicircle of rifle mouth 13 The nail slotted eye 24 excessively for being machined with strip corresponding with nail needle tray, cartridge clip 15 were located at the lower section of nail slotted eye 24 on groove, and tenon nail exists It was upwardly under spring effect in nail slotted eye 24, and was in nail needle tray rear portion when following closely pin 17 on nail thorax 12, nail needle tray went to nail Most upper one piece of dowel is upwardly into the 17 anterior nail needle tray of nail pin on nail thorax 12 during 24 position of slotted eye, due to crossing nail slotted eye 24 Constrain the dowel below first piece of dowel so that the dowel in nail needle tray is separated when following closely thorax 12 and rotating from tenon nail； Turn that slewing equipment 8 is installed in the rear portion of thorax 11 and support plate 14, slewing equipment 8 is hit after piston 4 is impacted, and drives piston rod 9, pin When hammer, firing pin move backward, the close-connected back stitching for turning thorax 11 and following closely in the thorax body of thorax 12 and two can be made to hammer 10, firing pin into shape together Rotated around the main shaft of piston rod 9 so as to make hole pin 16, dowel and nail pin 17 swing to out on the axis of nail 23 successively.

Two large divisions's combination of above-mentioned dowel rifle can be completed：The lower impact forward play of piston 4 of the control of route controller 7, it is living Stopper rod 9 drives back stitching hammer 10 to travel forward, the bar shaped hammer 18 of the lower lobes of piston rod 9, impacts on initial position before just The hole pin 16 that goes out on the axis of nail 23 of side makes it go out rifle mouth 13 forward to squeeze into timber, hit after then impacting piston 4, piston rod 9 Back stitching hammer is driven 10 to be moved rearwards, pulled-out holes pin 16 and under the effect of slewing equipment 8 makes to turn thorax 11 and the nail thorax body of thorax 12 and two Interior back stitching is hammered 10, firing pin into shape and together rotated around the main shaft of piston rod 9, dowel and nail pin 17 is gone to out on the axis of nail 23, bar The front of shape hammer 18；The forward play again of piston 4 is impacted, the impact nail pin 17 of bar shaped hammer 18 drives dowel to go out on rifle mouth 13 to go out nail 23, and the punched hole of hole pin 16 along timber, dowel is squeezed into timber, piston 4 is then impacted and hits afterwards again, drives back stitching hammer 10th, nail pin 17 is moved rearwards, and under the effect of slewing equipment 8, the back stitching for making to turn thorax 11 and follow closely in the thorax body of thorax 12 and two is hammered 10 into shape, hit Pin together turns round around the main shaft of piston rod 9, hole pin 16 is turned back to out on the axis of nail 23.

Handle 2 is provided below in air chamber 1, is provided with the high pressure gas passage being connected with high-pressure air source in handle 2, on handle 2 A groove is machined with the isolation casting of high pressure gas passage to be used to route controller 7 is installed, route controller 7 can cut off, The high pressure gas to restore balance in valve seat makes balance valve events, realizes to impact in cylinder 3 by the action of sequential control balanced valve and lives Plug 4 completion forward plays → after hit → forward play → after hit four times action.

Above-mentioned route controller 7 refer to trigger touch after can control each balance valve events, finally make impact piston 4 suitable Sequence completes the device moved forward and backward twice needed for impact：Including pedestal, needle-valve, small cylinder, operating spring, action bar, needle-valve Press strip；Two needle-valves are installed in pedestal, the gas circuit being connected with balancing valve seat just can be cut off when the needle in two needle-valves is depressed In high pressure gas, cause the valve element of balanced valve to act backward, two needle-valves be on pedestal parallel arrangement；Installed outside needle-valve There is needle-valve press strip, needle-valve press strip is the L-shaped bar for having before cylindrical bars body one section of vertical elbow, and bar body is installed present along valve pocket axis In body groove, it can be slided up and down along groove, and one-directional rotation, for anterior elbow in the top of needle tail, the face against needle tail is flat Face, bar body middle part raise up and have small lugs, there is small inclined-plane that is vertical with press strip axis and forming an angle, bar tail on the projection Reset little spring is installed；Action bar axis is arranged vertically with two needle-valve press strips, above needle-valve press strip, in bar groove, and It can only be moved back and forth, it is corresponding with needle-valve press strip ramp small lugs on action bar, there are four small lugs with respective ramp, Small cylinder and operating spring are arranged on action bar long axis and are connected with action bar, and small cylinder has high pressure gas, gas under normality Cylinder rod pushing action spring pulls open Chu Li, action bar enters standby position, and action bar projection and needle-valve press strip are convex during this Block inclined-plane is trailing movement, and needle press strip projection rotates in the case where action projection promotes, when acting bar arrival standby position, two Projection disengages, and the reset little spring at needle press strip rear portion turns round needle press strip, makes projection upward, when trigger action, pulls Needle is depressed in the needle-valve of machine rear portion, and the small cylinder mesohigh gas being connected with trigger needle-valve gas circuit is blocked, and is made in operating spring With lower action bar counter motion, action bar, two small contact of incline plane on needle press strip, because at this moment needle press strip can not rotate, tiltedly Needle press strip is promoted to move downward along the component of axis caused by face, needle press strip front portion elbow presses downwards the valve in needle-valve Pin, so that balanced valve acts, four small inclined-planes on bar arranged for interval in certain sequence is acted, balances control forward play The needle-valve that valve 5 hits balanced valve 6 with after is completed to be sequentially completed four actions of disconnected, logical high pressure gas, makes impact piston 4 sequentially complete to hit Beat and required move forward and backward twice.

When above-mentioned slewing equipment 8 is that impact piston 4 moves backward, it can make to turn thorax 11, nail thorax 12, back stitching hammer 10, nail pin 17 Together in two fixed position reciprocating rotations, so as to realize that two firing pins are respectively aligned to out the device of the axis of nail 23 successively：Including Turning the revolving sleeve 30 with gear of the rear portion of thorax 11 installation, be enclosed on and turn the torsion spring 31 that 11 outer one end of thorax is fixed on thorax, and be enclosed on Turn the gear wheel 32 that thorax 11 rotates and is connected with the other end of torsion spring 31 that can be rotated on thorax 11, and the transition tooth in support plate 14 Wheel group 33；

Wherein, revolving sleeve 30 is thin-walled round bush, is provided with two kinds of forms with turning thorax 11, a kind of mode is endoporus and turns thorax 11 Rear portion external diameter is suitable, is enclosed on and turns the rear portion of thorax 11 thorax 11 that can rotate and rotate, the second way is hammered into shape to turn the processing of the rear portion of thorax 11 than back stitching The big stepped hole of 10 external diameters, revolving sleeve 30 are arranged in stepped hole, and the internal diameter of revolving sleeve 30 is identical with back stitching 10 external diameters of hammer, two kinds of peaces Dress mode requires to slide wing extension and all must assure that in rear portion and helicoid on revolving sleeve 30 and sliding wing groove 22 while contact；Return The helicoid in anterior two intersecting different rotary directions is machined with the body of pivoted housing 30, this helicoid is along the periphery of revolving sleeve 30 On helix be perpendicularly oriented to the axis of revolving sleeve 30, what is left after processing on inside and outside wall between two helixes is wide with wall thickness Continuous curve surface；The body on helicoid top is removed, makes two opposite helicoids of direction of rotation anterior intersecting in revolving sleeve 30, is in Triangle, the processing of the rear portion of revolving sleeve 30 is fluted, and outside gun body air chamber 1 and groove respective protrusions have small lugs, 30 turns of revolving sleeve Groove both ends of the surface can be stopped in corresponding position by projection when dynamic；When two firing pins swing to the position for being directed at out nail axis, turn Sliding wing groove 22 is rested on two fixed locus on thorax 11, by the spacing of the upper groove of revolving sleeve 30 and projection, Make the anterior two helicoid intersection points of revolving sleeve 30 on the sliding locus of wing groove 22 only slight beyond the region between the sliding outer of wing groove 22 Carry out back rotation, make the sliding wing groove 22 of the anterior alignment of that helicoid between the sliding locus of wing groove 22, spiral shell is made by setting The intersection point at radial facing rear portion and the sliding locus of wing groove 22, turn into and slide the stop moved after flapwise when hitting stopping after impact piston 4, this Sample, which is slided, drives sliding wing groove 22 to turn on second locus when the wing moves stopping backward along helicoid, so that turning 11 turns of thorax Move to relevant position, rotation of the revolving sleeve 30 on thorax 11 is turned is that hysteresis is servo-actuated to be realized by following structures, and revolving sleeve 30 tightens Close to be provided with gear, the front portion of revolving sleeve 30 turns on thorax 11, is set with the gear wheel 32 for the rotation of thorax 11 that can rotate, two gears are simultaneously Engaged with the transition gear group 33 installed in support plate 14, revolving sleeve 30 acted with gear wheel 32 it is synchronous, by setting each gear Gear ratio, the rotational angle of revolving sleeve 30 can be made, slightly larger than the corner for turning thorax 11 and being rotated between two fixed space positions；Canine tooth Wheel 32 is flexibly connected by being enclosed on the torsion spring 31 turned on thorax 11 with turning thorax 11, and when the sliding wing enters helicoid, revolving sleeve 30 is limited Block limitation can not rotate to the direction of the sliding outer of wing groove 22 again, and the sliding wing rotates with regard to the opposite direction of helicoidal motion band turn thorax 11, Turn thorax 11 to relatively rotate with revolving sleeve 30 and with the gear wheel 32 of the synchronized links of revolving sleeve 30 relatively, at this moment torsion spring 31 twists Storing and turn 11 equidirectional torsion of thorax, depart from helicoid forward when the sliding wing is with impact 4 forward play of piston, the torsion of torsion spring 31 discharges, Gear wheel 32 is driven so as to drive revolving sleeve 30, rotation is followed with turning the rotation direction of thorax 11 just now and do hysteresis, is made by spacing Another helicoid is turned between sliding 22 liang of locus of wing groove.Hit after bar shaped slides the wing 21 with impact piston 4 and transport backward twice When dynamic, difference enters different helicoids twice, band turn thorax 11, nail thorax 12, back stitching hammer into shape 10, two firing pins occur it is past, again twice Rotate.

One complete nailing stroke is：The valve of handle 2 connects high pressure gas.High pressure gas enters main gas circuit, high pressure air cavity 26 Route controller 7 is respectively enterd by the main gas circuit of each needle-valve simultaneously and controls gas circuit, two balanced valves control gas circuit；Gas circuit control dress The forward pulling action spring action bar of small cylinder piston acts bar and hits position into band to the left in putting 7, now turns the hollow needle of thorax 11 16 are located on the axis of nail 23, and sliding wing groove 22 is located at helicoid rear portion, and two helicoids cross point in sliding 22 another sky of wing groove Between on position, torsion spring 31 is twisted storage torsion.Trigger, trigger needle valve action are depressed, route controller 7 controls high in gas circuit Calm the anger cut-off, small cylinder mesohigh gas disappears in route controller 7, and operating spring pulling action bar moves right, on bar The small inclined-plane of first tooth controls the press strip ramp on gas circuit needle-valve to contact with forward play balanced valve 5, needle-valve press strip is pressed downwards valve Pin, the mesohigh gas of forward play valve seat 29 are cut off, moved after forward play balanced valve 5, the high pressure gas in high pressure air cavity 26 is balanced by forward play Valve 5 enters the rear portion of cylinder 3, promotes piston, piston rod 9, back stitching hammer 10, the sliding wing to travel forward, bar shaped firing pin drives on piston rod 9 Hole pin 16 moves ahead out nail gun mouth 13, and torsion spring 31 discharges torsion and drives the gear train of gear wheel 32 and revolving sleeve when the sliding wing departs from helicoid 30 rotate, and make another sliding wing groove 22 of helicoid alignment；The first tooth on bar is acted in route controller 7 and departs from press strip inclined-plane, it is preceding The recovery of the mesohigh gas of valve seat 29 is hit, forward play balanced valve 5 moves forward, and the high pressure gas entered by the rear portion of cylinder 3 in cylinder 3 is separated, The high pressure residual gas inside cylinder 3 is in communication with the outside release by forward play balanced valve 5 simultaneously；Action article continues to move to right the 3rd tooth small tiltedly Face hits balanced valve 6 with after and controls the press strip on gas circuit needle-valve contact and needle-valve press strip is pressed downwards needle, after hit height in valve seat 28 Calm the anger cut-off, after hit balanced valve 6 after move, the mesohigh gas of high pressure air cavity 26 hit after balanced valve 6 from the front end of cylinder 3 enter, Moved after promoting piston, piston rod 9, back stitching hammer 10, sliding flapwise, while the drive hole pin 16 of back stitching hammer 10 moves backward, when the sliding wing The sliding wing groove 22 in edge is run to rear portion into during helicoid, drive back stitching hammers 10 into shape, turns thorax while moving backward on revolving sleeve 30 11st, thorax 12, hole pin 16, nail pin 17 are followed closely and is rotated together into the dowel in nail needle tray, dowel and nail pin 17 is turned to out nail On the axis of hole 23；When turning thorax 11 and being rotated relative to revolving sleeve 30, twisting storage torsion occurs for torsion spring 31；Moved in route controller 7 Continue to move to right as bar, the 3rd tooth departs from press strip inclined-plane, after hit the recovery of the mesohigh gas of valve seat 28, after hit balanced valve 6 and move up, pass through gas The high pressure gas that the front portion of cylinder 3 is entered in cylinder 3 is separated, at the same the high pressure residual gas inside cylinder 3 hit after balanced valve 6 with External world's connection release；Action bar continues to move to right, and the second tooth inclined-plane controls the press strip ramp on gas circuit needle-valve with forward play balanced valve 5 Contact, makes needle-valve press strip press downwards needle, the mesohigh gas of forward play valve seat 29 is cut off, moved after forward play balanced valve 5, high pressure air cavity High pressure gas in 26 is again introduced into the rear portion of cylinder 3 by forward play balanced valve 5, promotes piston, piston rod 9, back stitching hammer 10, sliding flapwise Preceding motion, bar shaped firing pin drives nail pin 17 on current piston rod 9 and its anterior dowel moves ahead out nail gun mouth 13 along hole pin 16 just now Dowel is squeezed into punched hole hole, and when the sliding wing departs from helicoid, torsion spring 31 discharges the torsion drive gear train of gear wheel 32 and revolution Set 30 occurs to turn to identical just now and follow with turning thorax 11 to turn, and the alignment of another helicoid is slided wing groove 22；Action bar continues to move to right, Second tooth ramp departs to be contacted with needle press strip, and the mesohigh gas of forward play valve seat 29 recovers, and forward play balanced valve 5 moves forward, and passes through gas The high pressure gas that the rear portion of cylinder 3 enters in cylinder 3 is separated, while the high pressure residual gas inside cylinder 3 passes through forward play balanced valve 5 and the external world Connection release；Action article continues to move to right the press strip hit with after on the control gas circuit needle-valve of balanced valve 6 on the 4th small inclined-plane of tooth and contact to make pin Valve press strip presses downwards needle, after hit the mesohigh gas of valve seat 28 and be cut off, after hit balanced valve 6 after move, the mesohigh of high pressure air cavity 26 Gas hits balanced valve 6 after and entered from the front end of cylinder 3, is moved after promoting piston, piston rod 9, back stitching hammer 10, sliding flapwise, simultaneously Back stitching hammer 10 drives nail pin 17 to move backward, when the sliding wing is run along sliding wing groove 22 enters helicoid on revolving sleeve 30 to rear portion, Backward move while drive back stitching hammer 10, turn thorax 11, nail thorax 12, hole pin 16, nail pin 17 rotate together, turn round hole pin 16 To going out on the axis of nail 23；Action article, which continues to move to right, makes the 4th small inclined-plane of tooth be disengaged with the press strip inclined-plane on needle-valve, acts Bar moves to right to be stopped in place, is decontroled trigger and is entered original state wait impact next time.

Preferred embodiment of the invention described in detail above.It should be appreciated that the ordinary skill of this area is without wound The property made work can makes many modifications and variations according to the design of the present invention.Therefore, all technician in the art Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea Scheme, all should be in the protection domain being defined in the patent claims.

Claims (8)

1. a kind of pneumatic dowel rifle, including power section and action part, it is characterised in that：

The power section includes the air chamber of monoblock cast（1）, positioned at air chamber（1）The handle of bottom（2）, installed in air chamber（1） In cylinder（3）, positioned at cylinder（3）Interior impact piston（4）, the forward play balanced valve of control gases at high pressure flow direction（5）And forward play Valve seat（29）Balanced valve is hit with after（6）Valve seat is hit after and（28), and positioned at handle（2）In route controller（7）；

The action part includes slewing equipment（8）, connection impact piston（4）Piston rod（9）, installed in piston rod（9）Before The back stitching hammer at end（10）, constraint back stitching hammer（10）Turn thorax with integral power path（11）With nail thorax（12）, positioned at nail thorax（12） The rifle mouth of front end（13）, positioned at rifle mouth（13）The support plate of lower section（14）, and positioned at support plate（14）The cartridge clip of lower section（15）；

The piston rod（9）Through being arranged on cylinder（3）Front end and air chamber（1）Balanced valve is hit behind front end（6）Valve seat is hit with after （28）Extend to air chamber（1）Outside, piston rod（9）Can not be rotatable around its axis；The back stitching hammer（10）It is movably arranged on piston Bar（9）End outside air chamber, and back stitching is hammered into shape（10）Can be around piston rod（9）Axis rotate；Back stitching is hammered into shape（10）On pass through Wear two end face, positioned at piston rod（9）The lower section of axis and and piston rod（9）Axis equidistant parallel is provided with two round needles Hole, hole pin is respectively arranged with the round needle hole（16）With nail pin（17）, the hole pin（16）Front portion be circular cone tip, follow closely pin （17）Front portion be tack, and hole pin（16）Length be more than nail pin（17）Length, the hole pin（16）With nail pin（17）Position Hammered into shape in back stitching（10）The equal projection in end at rear has a firing pin cap, and the diameter of the firing pin cap is hammered into shape more than back stitching（10）On circle The diameter of pin hole；The piston rod（9）Underface and piston rod（9）It is parallel to be fixedly installed a bar shaped hammer（18）, institute The front end for stating bar shaped hammer is located at back stitching hammer（10）Rear.

2. pneumatic dowel rifle according to claim 1, it is characterised in that：The piston rod（9）Front portion is with mobile jib body axis Centered on line be provided with Step Shaft, Step Shaft is symmetrically arranged at the front end with a pair of lugs（19）, the back stitching hammer（10）For cylinder, It is provided centrally with and lug（19）The adaptable lug slotted eye of shape, size（20）, the anterior lug of Step Shaft（19）Through Lug slotted eye（20）Afterwards, back stitching is hammered into shape（10）It can be rotated around Step Shaft.

3. pneumatic dowel rifle according to claim 1, it is characterised in that：It is described to turn thorax（11）For cylinder-like structure, thereafter Portion is located at air chamber（1）At the outer wall of front end, with piston rod（9）In counterbore centered on axis, back stitching hammer（10）Positioned at turning thorax（11） Bore in and can be moved forward and backward along bore, the slewing equipment（8）It is arranged on and turns thorax（11）The outside of one end of close air chamber, Turn thorax（11）With support plate（14）Between position.

4. pneumatic dowel rifle according to claim 1, it is characterised in that：The back stitching hammer（10）The outside of hammer body and hammer Body has been arranged in an axially parallel mode bar shaped and has slided the wing（21）, it is described to turn thorax（11）The cunning wing groove of straight line is machined with thorax body（22）, back stitching hammer （10）The wing is slided in bar shaped on hammer body（21）Embedded in sliding wing groove（22）In, back stitching hammer（10）Can not be relative to turning thorax（11）Rotate.

5. pneumatic dowel rifle according to claim 1, it is characterised in that：The nail thorax（12）For cylindrical-shaped structure, thorax is followed closely （12）Rear portion be closely connected and turning thorax（11）Front portion, the rifle mouth（13）Rear portion is provided with half slot, follows closely thorax（12） Front portion insertion is arranged on rifle mouth（13）In the half slot at rear portion, through nail thorax（12）Two end faces and with follow closely thorax（12）Axis It is arranged with parallel and is hammered into shape with back stitching（10）The corresponding hole pin hole of upper two nail and nail needle tray, the hole pin（16）With nail pin（17）Wear Cross back stitching hammer（10）Afterwards, it is placed in hole pin hole and nail needle tray；The rifle mouth（13）Lower front, through rifle mouth（13）It is provided with out Nail（23）, it is described go out nail（23）Axis and bar shaped hammer（18）Axis overlap；The rifle mouth（13）Rear portion set There are a half slot, size and the nail thorax of the half slot（12）Outside dimension match, on the cell body of the half slot with Follow closely thorax（12）The corresponding position of nail needle tray be provided with strip and cross nail slotted eye（24）, cartridge clip（15）Positioned at nail slotted eye excessively（24） Lower section, cross nail slotted eye（24）Geomery and cartridge clip（15）The geomery of middle tenon nail matches.

6. pneumatic dowel rifle according to claim 1, it is characterised in that：The cylinder（3）It is horizontally set on air chamber（1） It is interior, cylinder（3）Lateral wall and air chamber（1）Madial wall between be vertically arranged with fixedly connected part（25）, fixedly connected part （25）The air chamber of both sides（1）Keep insertion, the cylinder（3）With air chamber（1）Between formed a high pressure air cavity（26）, cylinder (3) former and later two end faces are respectively positioned in high pressure air cavity (26), the air chamber（1）Side wall on offer inlet channel（27）, The inlet channel（27）Make high pressure air cavity（26）And handle（2）Internal high-pressure gas circuit insertion；The air chamber（1）Front end, Air chamber（1）With cylinder（3）Between be provided with after hit balanced valve（6）, after hit balanced valve（6）Valve seat is hit after（28) it is arranged on gas Room（1）The end of front end, after hit balanced valve（6）End face and cylinder（3）Front end face be brought into close contact connection；The air chamber（1） Rear end, air chamber（1）With cylinder（3）Between be provided with forward play balanced valve (5), forward play balanced valve (5) passes through forward play valve seat（29） Installed in air chamber（1）The end of rear end, and forward play balanced valve（5）End face and cylinder（3）Rear end face between the company of being brought into close contact Connect.

7. pneumatic dowel rifle according to claim 1, it is characterised in that：There are a groove, handle in the handle (2) （2）And its internal groove is integrated casting, and route controller (7) is provided with the groove；

The route controller (7) includes being arranged on handle（2）Anterior trigger, it is arranged on the first control gas at trigger rear Valve, by pipeline with first control air valve be connected, positioned at handle（2）Small cylinder and its interior piston in interior groove, if The operating spring at small cylinder both ends is put, the action bar being fixedly connected with the piston, two needle-valves are correspondingly arranged on action bar, its In a needle-valve pass through gas circuit and forward play balanced valve（5）, forward play valve seat（29）Connection, another needle-valve by gas circuit and after hit it is flat Weigh valve（6）, after hit valve seat（28）Connection.

8. pneumatic dowel rifle according to claim 1, it is characterised in that：The slewing equipment（8）Turn thorax including being arranged on （11）Rear portion and support plate（14）Between the revolving sleeve with gear（30）, be enclosed on and turn thorax（11）Outer one end, which is fixed on, turns thorax（11）On Torsion spring（31）, be enclosed on and turn thorax（11）On rotate thorax（11）Rotation and and torsion spring（31）The gear wheel of other end connection（32）And Installed in support plate（14）In transition gear group（33）；Revolving sleeve（30）Rear portion setting is fluted, in air chamber（1）Outside with the groove Correspondence position is provided with small lugs.