CN206326199U - A kind of hand-held pneumatic chain saw of the aluminium alloy casing driven with air motor - Google Patents

Abstract

The utility model provides a kind of Pneumatic chain saw machine using air motor as power source, including grip switches mechanism, transmission mechanism, governor motion, lubricating structure, protection mechanism and casing；Grip switches mechanism is arranged on left outside casing, the opening and closing for controlling air motor working media compressed air；Transmission mechanism is arranged on outside air motor output end, and the power and rotating speed for air motor to be exported are delivered to the chain saw blade on guide plate；Governor motion is arranged on outside air motor output end, exports the distance of end ratchet with air motor for adjusting guide plate；Lubricating structure is arranged on casing internal and outside, for lubricating oil to be sprayed in chain saw blade again from casing internal export；Protection mechanism is arranged on top, produced cutting dregs during for protective chain saw blade cutwork outside casing.The problem of solution is limited in some fields, forbidden, being inconvenient to use using motor or oil-burning machine as this kind of chain saw of power source.

Description

A kind of hand-held pneumatic chain saw of the aluminium alloy casing driven with air motor

Technical field

The utility model is related to pneumatic cutting tool, refers in particular to a kind of hand-held using air motor as power source drive Portable pneumatic chain saw, available for digging up mine, steel, electric power, machinery, ship, engineering, building, oil, chemical industry, woods Numerous industries such as industry, papermaking, packaging, for cutting all kinds of nonmetallic materials, anti-explosion safety design, specialty is used for inflammable and explosive ring Operation in border.

Background technology

Traditional chain saw, is mainly worked using motor or oil-burning machine as power source drive chain saw.But, In many fields, such as mining, oil, chemical industry field are limitations, prohibit the use of using motor or oil-burning machine and be used as power source This kind of chain saw because this can bring safety in production hidden danger, trigger industrial accident.There are some fields in addition, Such as building, engineering field, operation field out of doors, is limited by electric power, is to be inconvenient to use using motor to be used as power source This kind of chain saw.

The content of the invention

For above-mentioned situation, in order to solve to limit in fields such as mining, oil, chemical industry, building, engineerings, forbid, it is inconvenient The problem of using using motor or oil-burning machine as this kind of chain saw of power source, the purpose of the utility model aiming at Problem present in background technology and defect are innovated using air motor is used as the hand-held of power source drive there is provided a kind of Portable pneumatic chain saw.

The technical solution of the utility model is that construction is a kind of using air motor as power source, including grip switches mechanism, The hand-held that transmission mechanism, governor motion, lubricating structure, protection mechanism, casing, guide plate, chain saw blade etc. are integrated it is portable Pneumatic chain saw machine.The effect of its primary structure is as follows.

Grip switches mechanism is arranged on left outside casing, the unlatching for controlling air motor working media compressed air And closing.

Transmission mechanism is arranged on outside air motor output end, and the power and rotating speed for air motor to be exported are delivered to On chain saw blade on guide plate.

Governor motion is arranged on outside air motor output end, for adjust guide plate and air motor export end ratchet away from From, make be arranged on guide plate on chain saw blade tensioning and relaxation.

Lubricating structure is arranged on casing internal and outside, for lubricating oil to be sprayed in chain saw blade again from casing internal export On, reach cooling, lubrication, rinse saw blade and effect that is dust-proof, preventing spark from producing.

Protection mechanism is arranged on top outside casing, and produced cutting dregs can during for protective chain saw blade cutwork It can surprisingly eject and hurt the positions such as hand.

Brief description of the drawings

Fig. 1 is the utility model front view.

Fig. 2 is the utility model top view.

Fig. 3 is the utility model rearview.

Fig. 4 is the utility model right view.

Fig. 5 is the utility model grip switches mechanism sectional view.

Fig. 6 is the utility model air motor sectional view.

Fig. 7 is the utility model transmission mechanism structure chart.

Fig. 8 is the utility model governor motion structure chart.

Embodiment

Embodiment of the present utility model is elaborated below in conjunction with accompanying drawing.

As shown in Fig. 1~8, grip switches mechanism of the present utility model is by handle 15, trigger 23, spring 24, Trigger safety 25th, spring 26, T-shaped pin 22, rubber ball 19, spring 18, plastic sheath 17, filter screen 82, reducer union 16, plug 83 are constituted. , it is necessary to which plug 83 is disassembled before operation, tracheae is connected with reducer union 16.Trigger safety 25 is first pressed during operation, then Trigger squeeze 23 is pressed, T-shaped pin 22 is moved down, rubber ball 19 is opened to sinciput, compressed air is passed through from reducer union 16 The air inlet that rubber ball 19 is opened enters air motor, air motor startup work；Trigger 23 is unclamped, rubber ball 19 exists The elastic force effect of spring 18 is lower to be resetted, and by inlet close, compressed air cannot be introduced into air motor, and air motor stops work Make.Filter screen 82 can be with the dregs in filtering compressed air, it is to avoid dregs enter air motor.Trigger safety 25 is formed with trigger 23 Dual-switch, only first presses Trigger safety 25, could press trigger squeeze 23, to ensure job safety.

Air motor of the present utility model is vane type motor, by cylinder body 52, cylinder cap 37, rotor 28, blade 27, round nut 32nd, box nut 40, bearing 31, gland ring 41, bearing block 30, cylinder jacket 42, bearing block 44, bearing 45, garment bag 46, ratchet 65th, packing ring 67, outer-hexagonal bolts 72, jacket 73 are constituted.Compressed air enters inside air motor, and pressure acts on blade 27 And promoting the rotor driven 28 of blade 27 to rotate, rotor 28 drives the rotation of ratchet 65 output power and torque.Compressed air is through exhaust Exhaust outlet discharge on box 60, exhausting box 60 is used to eliminate the noise produced by the compressed air of discharge.Air motor explosion-proof Can be high, itself will not produce any spark, it is adaptable to inflammable and explosive environment work.

Transmission mechanism of the present utility model is made up of ratchet 65, chain saw blade 84, guide plate 85.Air motor output rotating speed and Torque, is delivered on connected chain saw blade 84 by ratchet 65, and guide plate 85 is used to install chain saw blade 84 and cycle of rotation is led To effect.

Governor motion of the present utility model is by soket head cap screw 62, adjustable column 63, connecting seat 71, studs 69, hexagonal Nut 74 is constituted.Connecting seat 71 coordinates with the oval mounting hole of guide plate 85 to be installed, and guide plate 85 can be moved forward and backward suitably.Regulation Post 63 coordinates with the circular mounting hole of guide plate 85 to be installed.Soket head cap screw 62 is adjusted, can move forward and backward adjustable column 63, regulation Post 63 is movable to drive guide plate 85 to move forward and backward, so that the chain saw blade 84 on guide plate 85 is tensioned or relaxation.

Lubricating structure of the present utility model is made up of oil connection 55, oil pipe 56, needle-valve 57.Lubrication in the oil pocket of cylinder body 52 Oil extrudes oil pocket by the pressure of compressed air, then enters oil pipe 56 through the ejection spray of oil connection 55 in chain by needle-valve 57 Saw blade 84, reaches cooling, lubrication, rinses saw blade 84 and effect that is dust-proof, preventing spark from producing, needle-valve 57, which is used to adjust, to be lubricated Oily uninterrupted.

Chain saw blade 84 of the present utility model, has the different types such as common chain saw blade, alloy chain saw blade, diamond chain saw bar can Selection, can carry out high efficiency cutting to the object of different materials.

Protection mechanism of the present utility model is by finger guard 1, handguard panel seat 2, protective cover 80-1, jacket 73,51 groups of prong Into.Produced cutting dregs are stopped by jacket 73, protective cover 80-1 first during chain 84 cutwork of saw blade, prevent that its is outside Eject, then finger guard 1 stops that cutting dregs may surprisingly eject and hurt the positions such as hand again.Prong 51 is used as fulcrum and guarantor Position is held, prevents that the utility model from colliding when cutting closes to an end with cut object.

Handle 15 of the present utility model, trigger 23, Trigger safety 25, handle set 4, handle 5 are ergonomic designs, are used Right-hand man grips when operation, effectively reduces vibrations, and long working is not tired, convenient operation the utility model.

Grip switches mechanism of the present utility model, transmission mechanism, governor motion, lubricating structure, protection mechanism are all installed On cylinder body 52, cylinder cap 37, cylinder body 52, cylinder cap 37, jacket 73 are aluminum alloy material, and weight is light, and portable design makes Obtain the utility model structure novel, compact in design is safe and reliable, and light weight is portable, easy to operate, operation efficiently, is especially suitable for making The motor-driven operation in industry scene, economic benefit and social benefit are notable.

Claims (7)

1. a kind of hand-held portable Pneumatic chain saw machine using air motor as power source, it is characterised in that：Opened including handle Shutting mechanism, transmission mechanism, governor motion, lubricating structure, protection mechanism and casing；The grip switches mechanism is arranged on casing Outside left, the opening and closing for controlling air motor working media compressed air；The transmission mechanism is arranged on pneumatic Outside motor output end, power and rotating speed for air motor to be exported are delivered to the chain saw blade on guide plate；Institute State governor motion to be arranged on outside air motor output end, export the distance of end ratchet with air motor for adjusting guide plate；Institute State lubricating structure and be arranged on casing internal and outside, for lubricating oil to be sprayed in chain saw blade again from casing internal export；Institute State protection mechanism and be arranged on top outside casing, produced cutting dregs unexpected bullet during for protective chain saw blade cutwork Go out；Described chain saw blade is alloy chain saw blade.

2. the hand-held portable Pneumatic chain saw machine according to claim 1 using air motor as power source, its feature It is that described grip switches mechanism is by handle（15）, trigger（23）, the first spring（24）, Trigger safety（25）, second spring （26）, T-shaped pin（22）, rubber ball（19）, the 3rd spring（18）, plastic sheath（17）, filter screen（82）, reducer union（16）、 Plug（83）Composition.

3. the hand-held portable Pneumatic chain saw machine according to claim 1 using air motor as power source, its feature It is that described air motor is vane type motor, by cylinder body（52）, cylinder cap（37）, rotor（28）, blade（27）, round nut （32）, box nut（40）, clutch shaft bearing（31）, gland ring（41）, first bearing seat（30）, cylinder jacket（42）, second bearing seat （44）, second bearing（45）, garment bag（46）, ratchet（65）, packing ring（67）, outer-hexagonal bolts（72）, jacket（73）Composition.

4. the hand-held portable Pneumatic chain saw machine according to claim 1 using air motor as power source, its feature It is that described transmission mechanism is by ratchet（65）, chain saw blade（84）, guide plate（85）Composition.

5. the hand-held portable Pneumatic chain saw machine according to claim 1 using air motor as power source, its feature It is that described governor motion is by soket head cap screw（62）, adjustable column（63）, connecting seat（71）, studs（69）, hexagonal spiral shell It is female（74）Composition.

6. the hand-held portable Pneumatic chain saw machine according to claim 1 using air motor as power source, its feature It is that described lubricating structure is by oil connection（55）, oil pipe（56）, needle-valve（57）Composition.

7. the hand-held portable Pneumatic chain saw machine according to claim 2 using air motor as power source, its feature It is, described handle（15）, trigger（23）, Trigger safety（25）For ergonomic designs.