CN209520847U - A kind of cement nailing gun - Google Patents
A kind of cement nailing gun Download PDFInfo
- Publication number
- CN209520847U CN209520847U CN201822241274.6U CN201822241274U CN209520847U CN 209520847 U CN209520847 U CN 209520847U CN 201822241274 U CN201822241274 U CN 201822241274U CN 209520847 U CN209520847 U CN 209520847U
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- rear end
- piston component
- cylinder
- locking
- driving device
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- 239000004568 cement Substances 0.000 title claims abstract description 24
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- 238000000034 method Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims abstract description 11
- 238000010304 firing Methods 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 54
- 238000009527 percussion Methods 0.000 claims description 23
- 125000006850 spacer group Chemical group 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
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- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 48
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- 230000008901 benefit Effects 0.000 description 4
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- 238000007796 conventional method Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a kind of cement nailing guns, belong to tightening technology field.A kind of cement nailing gun, including cylinder, piston component is slidably provided in cylinder, and piston component is used for the air of compression piston component rear end in moving process and forms vacuum chamber in compression piston component front end；The front end of piston component is provided with impact head, and the front end of impact head is provided with striker；The rear end of piston component is connected with a driving device, and driving device is for driving piston component in cylinder motion and fire firing pins movement.Preferably, driving device includes rack gear pull rod, and driving gear is provided on the outside of cylinder, and driving wheel and rack pull rod is adapted to and engages.The technical program is moved using cylinder interior rear and front end atmospheric pressure difference as power actuated plunger.And overall process all uses mechanical structure, not by gunpowder or air compressor machine as external power supply, thus very environmental protection and safety, and it is very easy to use, do not need external power supply.
Description
Technical field
The utility model belongs to tightening technology field, refers in particular to a kind of cement nailing gun.
Background technique
Currently, the conventional method of domestic installation of ceiling is: binding impact drill, the hand-held length of operator in a root long boom end
Bar makes impact drill burrow in ceiling bottom and installs expansion bolt, and sunpender is installed on bolt, installs applying for furred ceiling again on sunpender
Work method.Conventional method is time-consuming and laborious at high cost, and labor efficiency is low.Occurs gunpowder nail gun on the market in recent years, principle is
Steel nail is squeezed into cement using gunpowder explosion.Its advantage is obvious, and labor intensity greatly reduces.
Also have using pneumatic stapler on the market simultaneously and cement is fastened, but pneumatic stapler also needs to compress
Machine supplies, and increases equipment and cost, and the transport of portability difference is also inconvenient.
Utility model content
The purpose of the utility model is to provide one kind not to need air compressor gas supply, nailing great efforts, Recoilless, makes an uproar
Sound is low, consumables cost is low, it is easy to maintain, using it is safe, without the cement nailing gun by security control.
Purpose of the utility model is realized as follows: a kind of cement nailing gun, including cylinder, slidably it is arranged in cylinder
There is piston component, piston component in moving process for being discharged the air of piston component rear end and in compression piston component front end
Form vacuum chamber；The front end of the piston component is provided with impact head, and the front end of impact head is provided with striker；The piston component
Rear end be connected with a driving device, driving device is for driving piston component in cylinder motion and fire firing pins movement.
Preferably, the driving device includes rack gear pull rod, and driving gear is provided on the outside of the cylinder, drives gear
It is adapted to and engages with the rack gear pull rod.
Preferably, one end of the driving gear forms socket column, and proficiency crank is socketed with outside socket column, and hand crank is used
In the driving sliding tooth wheel rotation.
Preferably, the side of the driving gear is rotatably provided with detent pawl, detent pawl and the rack gear pull rod
Adaptation.
Preferably, the two sides of the rack gear pull rod are respectively arranged with mounting base, and the detent pawl and driving gear can turn
It is dynamic to be located between two mounting bases.
Preferably, mounting hole is formed on rear side of the detent pawl, limit pressure is installed on the upside of the installation base rear end
Piece limits and is provided with extension spring between tabletting and the mounting hole；Postposition limit is additionally provided between two mounting bases
Position pin, postposition spacer pin are located at the rear side of the detent pawl.
Preferably, the piston component includes piston main body, and the impact head is arranged in the piston main body；It is described
The rear end of impact head forms limiting section；The piston component further includes the lock group for having the outside that impact head rear end is arranged in
Part, latch components are adapted to the connection and release realized to the impact head with the limiting section.
Preferably, the latch components, which include at least, locking ratchet, and locking ratchet is resisted against in the limiting section；It is described
It further include having the locking bracket that the locking ratchet two sides are set in piston component, locking ratchet and driving device pass through locking
Bracket connection；It is provided with preposition spacer pin on the inside of the locking bracket, the locking ratchet side forms confined planes, preposition limit
Position pins position is used to limit the rotational angle of locking ratchet in the rear end of the confined planes.
Preferably, the locking bracket rear end forms connecting column, and described driving device one end is fixed at the company
It connects in column.
Preferably, the lower end of the locking ratchet forms locking short column, locks an inclined surface and the limiting section of short column
An inclined-plane offset, play the role of blocking locking.
Preferably, the limiting section is annular groove；The quantity of the latch components is at least two and is evenly arranged on the annular groove
It is interior.
Preferably, the piston component further includes having a positioning disk；The positioning disk outer rim molding is fluted, sets in groove
It is equipped with the first sealing ring.
Preferably, the two sides of the positioning disk front end have been separately formed an engaging lug, the rear end setting of the locking bracket
It is fixedly connected between two engaging lugs and with the engaging lug.
Preferably, a percussion fixing seat is provided on the outside of the driving device, percussion fixing seat is coaxially set with mounting base
Set and fire the outside that mounting base is arranged in fixing seat；It is installed with several percussion mandrils on the outside of the percussion fixing seat, hits
It sends out mandril and the locking ratchet corresponds；Against there is second spring between rear end cap and the percussion fixing seat；It is described to lead
To being provided with the first spring between disk and the locking ratchet；Several ventholes are also formed on the positioning disk.
Preferably, the rear end of the cylinder is provided with a rear end cap, forms several air holes on rear side of rear end cap, described
Percussion mandril is threaded through in the air hole.
Preferably, the front end of the cylinder is provided with drive end bearing bracket, is provided with seal ring bracket, sealing ring branch on the inside of drive end bearing bracket
Y-shaped ring is provided on the outside of frame and/or piston main body, the striker is slidably arranged in the y-shaped ring；It is described
The outer sheath of seal ring bracket is equipped at least one second sealing ring；The y-shaped ring outer end face forming elastic groove, elasticity
The upper and lower ends of groove are born against on the outer end face of cylinder interior and piston main body.
Preferably, the rear end on the inside of drive end bearing bracket is provided with a guide sleeve, and the guide sleeve is slidably arranged in the striker
It is interior；The rear end of the guide sleeve forms stage portion, forms the limit hole being adapted to the stage portion on the inside of the drive end bearing bracket.
Preferably, the striker, which includes at least, preceding syringe needle and rear needle body；The setting of the outside of the preceding syringe needle and rear needle body
There is rifle mouth, the front side of the drive end bearing bracket is arranged in rifle mouth；Needle body front end step is limited in seal ring bracket inner hole front end after described,
The glove hole for installing nail is formed in the preceding syringe needle.
Preferably, the front end of the rifle mouth is also connected with pipette tips, and the inside of the rifle mouth is arranged in the rear end of pipette tips；It is described
The pipette tips are slidably arranged in the front end of preceding syringe needle, and the rear end of preceding syringe needle forms the abutment end for limit.
Preferably, the inside of the front end cover back-end is by being disposed with buffer stopper and buffering sealing shroud, buffering except interior
The outer sheath of sealing shroud is equipped with third sealing ring, and third sealing ring is resisted against the inside of the cylinder.
Preferably, the front end face of the cushion seal set forms sealing mounting groove backward, seals and is equipped in mounting groove
The front end of 4th sealing ring, the 4th sealing ring is resisted against the inside of drive end bearing bracket；The rear end outer rim of the cushion seal set forms
" stepped ramp type " sealing is resisted against on the front end face of cylinder on rear side of sealing；The front end of the impact head forms forced section.
Preferably, conical horn mouth is formed on rear side of the buffer stopper, the front end of piston component forms and the cone
The piston front pillar of shape horn mouth adaptation.
Preferably, the rear end of the cylinder is provided with a pushing rod sleeve, and the rear end of the driving device is set in the push rod
In the set and rear end of the driving device is connected with a motion stops, and the rear end of motion stops is provided with rear end limit plug screw, after
Against there is restoring spring between end limit plug screw and the motion stops.
Compared with the prior art, the utility model has prominent and beneficial technical effects that:
1, the technical program is moved using cylinder interior rear and front end atmospheric pressure difference as power actuated plunger.And
Overall process all uses mechanical structure, not by gunpowder or air compressor machine as external power supply, thus very environmental protection
And safety, and it is very easy to use, do not need external power supply.It also can solve current gunpowder nail simultaneously to need by state's laws
The problem of monitoring, while being also to solve an important safety problem.
2, by rack-and-pinion as power drive, active force is big and stablizes, the cooperation for detent pawl of arranging in pairs or groups, so that it may real
It now discharges and the effect of detent, whole design is very exquisite.
3, piston component many places use sealing structure, and sealing effect is good.
4, for the utility model after saving up strength in place, triggering is also very simple.If nail is resisted against machined surface, such as
On cement surface, a bit of stroke is formed by the resiliency urged piston of spring, can be struck automatically, very convenient and peace
Entirely.
5, the utility model realizes that function, whole process do not generate any waste or poison object by mechanical structure
Matter, energy conservation and environmental protection while, also can greatly reduce the cost of consumptive material, the biggish promotion that whole equipment service life obtains.
Detailed description of the invention
Fig. 1 is one of structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of y-shaped ring；
Fig. 3 is one of cross-sectional view of Fig. 1；
Fig. 4 is the two of the cross-sectional view of Fig. 1；
Fig. 5 is the partial enlarged view in Fig. 3 at A；
Fig. 6 is the partial enlarged view in Fig. 4 at B；
Fig. 7 is the partial enlarged view in Fig. 4 at C；
Fig. 8 is the partial enlarged view in Fig. 4 at D；
Fig. 9 is the structural schematic diagram of driving device；
Figure 10 is one of structure diagram of the utility model；
Figure 11 is sealed structural schematic diagram at drive end bearing bracket；
Figure 12 is the working principle diagram of latch components.
In figure: 1- cylinder；2- piston component；3- driving device；4- latch components；5- rifle mouth；6- pipette tips；7- buffer stopper；
8- cushion seal set；9- pushing rod sleeve；10- dust cover；11- vacuum chamber；12- striker；13- rear end cap；14- second spring；15-
One spring；16- drive end bearing bracket；17- seal ring bracket；18-Y shape sealing ring；19- guide sleeve；21- impact head；22- piston main body；
23- positioning disk；24- forced section；25- piston front pillar；31- rack gear pull rod；32- drives gear；33- detent pawl；34- installation
Seat；35- limits tabletting；36- extension spring；37- postposition spacer pin；38- fires fixing seat；39- fires mandril；41- locks spine
Pawl；42- locking bracket；The preposition spacer pin of 43-；71- conical horn mouth；81- third sealing ring；82- seals mounting groove；83-
Four sealing rings；84- sealing；91- motion stops；92- limits plug screw；93- restoring spring；Syringe needle before 121-；Needle body after 122-；
131- air hole；161- limit hole；The second sealing ring of 171-；181- spring groove；191- stage portion；211- limiting section；213-
Inclined-plane；231- sealed groove；The first sealing ring of 232-；233- engaging lug；234- venthole；321- is socketed column；322- is hand
?；323- sleeve joint hole；331- mounting hole；411- confined planes；412- locks short column；The inclined surface 413-；421- connecting column.
Specific embodiment
The utility model is described further with specific embodiment below.
Embodiment one: as shown in figs. 1-12, a kind of cement nailing gun, including cylinder 1 is slidably provided with work in cylinder 1
Plug assembly 2, piston component 2 in moving process for being discharged the air of 2 rear end of piston component and in 2 front end of compression piston component
Form vacuum chamber 11；The front end of the piston component 2 is provided with impact head 21, and the front end of impact head 21 is provided with striker 12；Institute
The rear end for stating piston component 2 is connected with a driving device 3, and driving device 3 is for driving piston component 2 to move simultaneously in cylinder 1
Fire firing pins 12 move.
A kind of water for carrying out nailing operation as power using inside and outside atmospheric pressure difference is specifically illustrated in the technical program
Mud nailing gun.Specifically, in actual use, when driving device 3 drive piston component 2 in cylinder 1 towards rear side move,
The front end of so piston component 2 will form vacuum chamber 11, and keep a normal atmospheric pressure in the rear end of piston component 2,
Material is thus formed the atmospheric pressure inside and outside one is poor, such benefit is exactly, when driving device 3 is relieved to piston component 2
Connection, under the action of atmospheric pressure, piston component 2 will hit striker 12 at a terrific speed, so as to need
The nail squeezed into is squeezed into cement wall surface or other metopes.Piston component 2 described in the technical program is mainly realized
The atmospheric pressure of 2 front end of piston component is reduced as far as possible in cylinder 1, ideally can be realized vacuum state, is formed
The sealing state of front and rear sides.It is moved as how piston component 2 is realized to have during sliding in cylinder 1 similar to what is vacuumized
Make, i.e., how to realize that sealing is the common knowledge of those skilled in the art, does not repeat here.Correspond to driving device simultaneously
3 structure, can be using hydraulic or pneumatic or other structures that piston component 2 can be driven to move in cylinder 1
To realize the technical program.And in above scheme either in ailing machine technical field or daily mechanical engineer field all
It is conceivable that corresponding solution, thus do not repeat here.It particularly can be with referenced patent number for 2015100537641
Open source literature, which wherein describes in a kind of ailing machine, includes the mode of piston structure, or can also refer to Publication No.:
A patent of 108150583A, specifically describes a kind of unit equipment of piston-cylinder 1.Thus described in the technical program
Content is complete and sufficient.Nail squeezes into the impact force and cylinder 1 of cement wall surface or other metopes or needs simultaneously
Length computation manufactures enough impact forces for realizing enough pressure is laid in, and belongs to mechanical property computational problem, is not
The emphasis of this patent protection, therefore relevant parameter does omission processing.
Preferably, the driving device 3 includes rack gear pull rod 31, and driving gear 32 is provided on the outside of the cylinder 1, is driven
Moving gear 32 is adapted to and engages with the rack gear pull rod 31.
The technical program specifically discloses a kind of structural principle of driving.In actual use, it is driven by allowing
Gear 32 rotates, and then mobile to 1 rear end of cylinder with carry-over bar scuffing of cylinder bore, by between piston component 2 and driving device 3
Connection, more specifically, by the connection between piston component 2 and rack gear pull rod 31, such design can realize that driving is lived
Plug assembly 2 is mobile towards 1 rear end of cylinder.And the structure type of rack-and-pinion, power transmission is stable and driving torque can phase
To larger, overall structure simple and stable.In actual operation, as long as allowing driving gear 32 to rotate realizes piston group
The movement of part 2.
Preferably, one end of the driving gear 32 forms socket column 321, is socketed with proficiency crank outside socket column 321
322, hand crank 322 is for driving the driving gear 32 to rotate.
A kind of mode for allowing driving gear 32 to turn over specifically is illustrated in the technical program.In actual use, so-called
Socket column 321 can be a polygon prism section, then the inside of hand crank 322 also has one to be adapted to the prism section
Sleeve joint hole 323, through the occlusion between sleeve joint hole 323 and prism section, when rotating hand crank 322, so that it may allow drive
Moving gear 32 rotates.And the design of hand crank 322 can be designed by mechanics, increase torque, allow driving to reduce
The power that gear 32 is turned over.Detailed mechanical structure is not the emphasis of present patent application, therefore does not repeat.It is such simultaneously
Design, so that it may it is thorough to solve the problems, such as to need external power source, compressor etc. can be given up completely in actual use
Extras.Especially in the place of bad environments, when not having power supply, the technical program can be completely free of power supply
Constraint.Thus the technical program is compared with the prior art more energy conservation and environmental protection, and laborsaving mute and stablize.
Preferably, the side of the driving gear 32 is rotatably provided with detent pawl 33, detent pawl 33 and the tooth
Pull rod 31 is adapted to.
A kind of effect that limit is realized using pawl or the design of ratchet principle is specifically illustrated in the technical program.In reality
In the design of border, detent pawl 33 is adapted to the rack gear pull rod 31 to be referred to, the lower end of detent pawl 33 wants some to be embedded in
In gap between the tooth and tooth of rack gear pull rod 31, and lower end rearward end tilts.Thus when rack gear pull rod 31 only ought be backward
When mobile, detent pawl 33 could be by being not influence the sliding of 31 rearward end of rack gear pull rod back and forth；But when rack gear is drawn
When 31 Slideslip facing forward of bar, since detent pawl 33 is resisted against between tooth and tooth thus is that rack gear pull rod 31 can be prevented facing forward
End movement.The benefit designed in this way is the time that can be rested to people one, the device to brake similar to one.That is
Such as rest of stopping during rotation hand crank 322, any one additional movement is not needed, due to detent pawl 33
Positional relationship between tooth and tooth can allow the position of rack gear pull rod 31 to be fixed.Such design very hommization.Together
When an other benefit be, after whole nailing operations all, due to that can be designed to that piston and rack gear pull rod 31 divide
From design, when piston advances forward, rack gear pull rod 31 is motionless.And if it is intended to rack gear pull rod 31 is allowed to reset
Words, as long as detent pawl 33 is stirred an angle, so that being engaged between the lower end disengaging tooth and tooth of detent pawl 33 can
To be resetted naturally using gravity, whole process is very simple and clear.
Preferably, the two sides of the rack gear pull rod 31 are respectively arranged with mounting base 34, the detent pawl 33 and sliding tooth
Wheel 32 is rotatably located between two mounting bases 34.
The technical program specifically describes the mounting means of a kind of detent pawl 33 and driving gear 32.Two peaces
Dress seat 34 between installation detent pawl 33 and drive gear 32 can thus allow rack gear pull rod 31 face portion and detent spine
Pawl 33 and driving gear 32 engage.Preferably, the face portion of rack gear pull rod 31 should be designed upward so that it is convenient to operate.Together
When about the mode of " rotatable " be diversified.Preferably, the mode of " rotatable " is by a pin shaft while to wear respectively
Cross detent pawl 33 and two mounting bases 34；Or by a pin shaft also cross detent pawl 33 and two mounting bases 34.
Preferably, as shown in figure 9, forming mounting hole on rear side of the detent pawl 33,34 rear end of mounting base it is upper
Side is installed with limit tabletting 35, limits and is provided with extension spring 36 between tabletting 35 and the mounting hole 331；Two installations
It is additionally provided with a postposition spacer pin 37 between seat 34, postposition spacer pin 37 is located at the rear side of the detent pawl 33.
One kind, which is specifically illustrated, in the technical program can increase detent pawl 33 and abut pressure with the rack gear pull rod 31
Method.Specifically, since extension spring 36 is arranged between 33 rear side of detent pawl and the upside of 34 rear end of mounting base,
That is in daily use process, have the tendency that detent pawl 33 is allowed to have one to rotate toward rear side always, so as to
Detent pawl 33 can rapidly be resetted after turning, so as to which rack gear pull rod 31 can be stuck in when rotate next time
Tooth and tooth between.Prevent detent pawl 33 from having the phenomenon that disconnection.The effect of postposition spacer pin 37 simultaneously is can be to card
The swing angle of position pawl 33 does a restriction.Specifically, in actual use, if the amplitude of fluctuation of detent pawl 33
It spends greatly, if being easy to cause detent pawl 33 that cannot accurately be stuck in the between cog of each rack gear pull rod 31, just stops at this time
To the pulling force of rack gear pull rod 31, then can under the action of pressure, rack gear pull rod 31 can quick forward end impact, cause cannot be real
The effect now limited, and be easy that the worker operated is caused to accidentally injure by hand crank 322.
Preferably, the piston component 2 includes piston main body 22, and the impact head 21 is arranged in the piston main body 22
It is interior；The rear end of the impact head 21 forms limiting section 211；The piston component 2 further includes having to be arranged in 21 rear end of impact head
Outside latch components 4, latch components 4 are adapted to the limiting section 211 realizes connection and release to the impact head 21.
A kind of structure type of piston component 2 is specifically illustrated in the technical program, and such design method can provide a kind of completely new
Mentality of designing.In conventional mentality of designing, piston component 2 can generally remain the relationship connecting with driving assembly,
Driving device 3 can be inconjunction with when piston is hit forward to move together, it is such to design the recoil that will lead to integral device
Power increases.And pass through the design of latch components 4, it can be realized the connection and release to impact head 21.Especially actually used
Cheng Zhong, since during hitting striker 12, only impact head 21 and piston main body 22 are entirely hit as one, institute
The impact force of the striker 12 of front can faster, can be given just bigger with speed.Preferably, between impact head 21 and piston main body 22
It is connected through a screw thread to realize and constitute an entirety.Locking device described in this technology can be similar to wide in current lathe
The structure of general scroll chuck realizes connection and release；Be also possible to by cylinder 1 drive clamping jaw relative motion generate clamping and
Release.
Preferably, the latch components 4, which include at least, locking ratchet 41, and locking ratchet 41 is resisted against the limiting section
In 211；It further include having the locking bracket 42 that 41 two sides of locking ratchet are set, locking ratchet 41 in the piston component 2
It is connected with driving device 3 by locking bracket 42；Preposition spacer pin 43, the locking spine are provided on the inside of the locking bracket 42
41 side of pawl forms confined planes 411, and preposition spacer pin 43 is located at the rear end of the confined planes 411 for limiting locking ratchet
41 rotational angle.
A kind of design feature of locking device is specifically illustrated in the technical program.In actual use, locking bracket 42
For connecting locking ratchet 41 and driving device 3, ensured that when driving device 3 acts on piston component 2 in this way,
Piston component 2 can be by mobile with rear end.Simultaneously because being hinged with locking ratchet 41 in locking bracket 42, spine is locked
The working principle of pawl 41 is, by being connected in limiting section 211, preposition spacer pin 43 to be recycled to limit turning for locking ratchet 41
Impact head 21 thus firmly can be locked at two lockings when drawing impact head 21 toward rear end by dynamic angle
In pawl 41.So as to realize that the other component using piston component 2 realizes the purpose vacuumized.
The connection type of locking ratchet 41 and locking bracket 42 can be pin shaft also cross locking ratchet 41 and locking
Bracket 42, which is realized, is also able to maintain rotation while stable connection.Such design is easy to process, and it is preferably that assembly is quick
Mounting means.
Preferably, 42 rear end of locking bracket forms connecting column 421, and described 3 one end of driving device is fixed at
In the connecting column 421.
The connection type of a kind of driving device 3 and locking bracket 42 is specifically illustrated in the technical program.Specifically, driving
3 one end of device is fixed at can be preferably of concrete mode in the connecting column 421, forms one in connecting column 421
A hole, then the front end of driving device 3 is protruded into this hole, has an axis also cross connecting column 421 and driving device 3
Front end.Such design will firmly can be established between driving device 3 and piston component 2 and be contacted.Specifically, driving device
3 front end can be the right end of rack gear pull rod 31.
Preferably, the lower end of the locking ratchet 41 forms locking short column 412, locks an inclined surface of short column 412
(413) it offsets with an inclined-plane (213) for limiting section (211), plays the role of blocking locking.
A kind of structure type of locking ratchet 41 is specifically illustrated in the technical program.The peace of the locking short column 412
Dress is obliquely installed towards 1 rear end side of cylinder.Such design can also with one can increase locking ratchet 41 and limiting section 211 it
Between being completely embedded property mode.Specifically, moving when piston component 2 is whole towards 1 rear end side of cylinder, 412 energy of short column is locked
Firmly withstand limiting section 211.Such connection type is even closer.
Preferably, the limiting section 211 is annular groove；The quantity of the latch components 4 is at least two and is evenly arranged on described
In annular groove.The structural form of limiting section 211 is specifically illustrated in the technical program, and the design of annular groove, which can allow, locks short column 412
Firmly be resisted against the rear end of annular groove, thus can against it is even closer.
Preferably, the piston component 2 further includes having a positioning disk 23；It is recessed that 23 outer rim of positioning disk forms sealing
Slot 231 is provided with the first sealing ring 232 in sealed groove 231.
One kind, which is specifically illustrated, in the technical program can increase the stable design that piston component 2 slides in cylinder 1.
Specifically, there is a certain distance between the design of positioning disk 23 and piston main body 22.In actual use, can with when
Moment, which carves, keeps allowing piston main body 22 and positioning disk 23 to contact simultaneously with 1 inner wall of cylinder, airtight so as to further increase
Property, increase the effect that front end vacuumizes.
Preferably, the two sides of 23 front end of positioning disk have been separately formed an engaging lug 233, after the locking bracket 42
End is arranged between two engaging lugs 233 and is fixedly connected with the engaging lug 233.
The connection type between a kind of piston main body 22 and positioning disk 23 is specifically illustrated in the technical program.It is such to connect
The range that is even closer while can also having certain adjustment connected between the two can be allowed by connecing.The mode being specifically fixedly connected
It preferably can be by an axis also cross engaging lug 233 and locking bracket 42.
Preferably, the outside of the driving device 3 is provided with a percussion fixing seat 38, percussion fixing seat 38 and mounting base 34
The outside of mounting base 34 is arranged in coaxial arrangement and percussion fixing seat 38；The outside of the percussion fixing seat 38 is installed with several
Mandril 39 is fired, percussion mandril 39 and the locking ratchet 41 correspond；The rear end of the cylinder 1 is provided with a rear end cap
13, against there is second spring 14 between rear end cap 13 and the percussion fixing seat 38；The positioning disk 23 and the locking ratchet
The first spring 15 is provided between 41；Several ventholes 234 are also formed on the positioning disk 23.
The mode being connected and disconnected between a kind of driving device 3 and piston component 2 is specifically illustrated in this technology.In reality
In use, when nail is installed in place, after recycling driving device 3 that piston component 2 is pulled to the position of setting, as long as by nail
It is directed at cement wall surface, uses certain thrust.It allows percussion mandril 39 that can pass through venthole 234 and abuts directly against locking ratchet
41 upper end.Locking ratchet 41 rotates certain angle locking ratchet 41 is made to be detached from limiting section 211, at this time piston master at this time
Body 22 and impact head 21 quickly rush at striker 12 under the action of atmospheric pressure difference together, so as to realize fire firing pins 12
Effect.
Preferably, several air holes 131 are formed on rear side of the rear end cap 13, the percussion mandril 39 is threaded through described
In air hole 131.
A kind of percussion mandril 39 mounting means preferably is specifically illustrated in the technical program.The design of air hole 131
Air can be allowed to flow into as far as possible and guarantee that the pressure difference of 2 front and back of piston component is sufficiently large.Firing mandril 39 is threaded through institute simultaneously
It states to allow in air hole 131 and fires the upper end for touching locking ratchet 41 of mandril 39 as early as possible, it is such to reduce
The length of cylinder 1.
Preferably, the front end of the cylinder 1 is provided with drive end bearing bracket 16, and seal ring bracket 17 is provided on the inside of drive end bearing bracket 16,
The outside of seal ring bracket 17 and/or piston main body 22 is provided with y-shaped ring 18, and institute is slidably arranged in the striker 12
It states in y-shaped ring 18；The outer sheath of the seal ring bracket 17 is equipped at least one second sealing ring 171；The Y shape sealing
Enclose 18 outer end face forming elastic grooves 181；The upper and lower ends of the spring groove 181 in 22 outside of piston main body are born against
On the outer end face of 1 inner wall of cylinder and piston main body 22.
A kind of sealing structure of 1 front end of cylinder is specifically illustrated in the technical program, and such design can greatly increase
Encrypt sealing property.Especially in the stage vacuumized, such design is more important, and such design can be further ensured that pumping
The effect of vacuum.The technical program especially devises a kind of y-shaped ring 18, the spring groove 181 of this y-shaped ring 18
Both sides up and down be in the trend opened outward.When the upper and lower ends of spring groove 181 are born against in 1 inside of cylinder and are lived
When filling in the outer end face of main body 22, since spring groove 181 itself is in the state that is extruded, y-shaped ring 18 is just at this time
There are the power and trend wanted toward outside expansion.Such design can further increase the effect of sealing.
Preferably, the rear end of 16 inside of drive end bearing bracket is provided with a guide sleeve 19, and the striker 12 is slidably arranged in described
In guide sleeve 19；The rear end of the guide sleeve 19 forms stage portion 191, forms on the inside of the drive end bearing bracket 16 and described
The limit hole 161 that rank portion 191 is adapted to.
The technical program, which is specifically illustrated, a kind of can increase the stable design of striker 12.It is logical inside guide sleeve 19
Hole can correct the track of the movement of striker 12 in this way, reduce energy loss.The design of stage portion 191 simultaneously can be preferably right
Guide sleeve 19 is positioned, and is facilitated fixed and positioned.
Preferably, the striker 12, which includes at least, preceding syringe needle 121 and rear needle body 122；The preceding syringe needle 121 and rear needle body
122 outside is provided with rifle mouth 5, and the front side of the drive end bearing bracket 16 is arranged in rifle mouth 5；122 front end step of needle body limit after described
In forming the glove hole for installing nail in 17 inner hole front end of seal ring bracket, the preceding syringe needle 121.
A kind of design structure of striker 12 is specifically illustrated in the technical program.General striker 12 is all monoblock type
Design, length are longer.Not only processing request is high, but also is easily damaged and be easy to cause under strong moment impact fracture.
And at least it is designed to the design of two-part, so that it may avoid such problems to the greatest extent.The design of rifle mouth 5 can give striker
The track of 12 one movement of correction.Guarantee striker 12 when hit nail angle be just facing towards.Meanwhile the rear needle body
The design that 122 front end steps are limited in 17 inner hole front end of seal ring bracket can preferably realize the limit to rear needle body 122.
Preferably, the front end of the rifle mouth 5 is also connected with pipette tips 6, and the inside of the rifle mouth 5 is arranged in the rear end of pipette tips 6；
The pipette tips are slidably arranged in the front end of the preceding syringe needle, and the rear end of preceding syringe needle forms the abutment end for limit.This skill
Art scheme specifically describes a kind of Front-end Design thinking of ailing machine.Concise, the stable structure of such design, is preferred
The structure on ground designs.Such design simultaneously can also realize fast accurate by pipette tips 6 when preceding syringe needle leading portion is gone out
Get, while realizing " brake " on the rear end face that back segment can be resisted against pipette tips 6 by abutment end again, prevent preceding syringe needle by
Pipette tips 6 are gone out in inertia.Simultaneously in actual use, again when nailing, as long as nail is filled in pipette tips 6, do not have to
Pipette tips 6 are installed again and rifle mouth 5 improves work efficiency, reduce loss.
Preferably, the inside of 16 rear end of drive end bearing bracket is by being disposed with buffer stopper 7 and buffering sealing shroud 8 except interior,
The outer sheath of cushion seal set 8 is equipped with third sealing ring 81, and third sealing ring 81 is resisted against the inside of the cylinder 1.This technology
Scheme specifically describes a kind of form of sealing ring, and such design can more comprehensively increase sealing effect.Delay simultaneously
The design of block 7 is rushed, impact of the piston main body 22 to buffer stopper 7 can be reduced, reduces vibration and recoil.
Preferably, the front end face of the cushion seal set 8 forms sealing mounting groove 82 to rear side, seals mounting groove 82
4th sealing ring 83 is inside installed, the front end of the 4th sealing ring 83 is resisted against the inside of drive end bearing bracket 16；The cushion seal set 8
Rear end outer rim forms " stepped ramp type " sealing 84, and the rear side of sealing 84 is resisted against on the front end face of cylinder 1；The impact head
21 front end forms forced section 24, and the outer diameter of forced section 24 is greater than the outer diameter of the guide sleeve 19.
The technical program specifically describes an a kind of Seal Design using cushion seal set 8, and the technical program is
The sealing problem between cylinder 1 and drive end bearing bracket 16 is solved, such design can all have a sealing in front end and upper end
The part of function is used to increase the leakproofness between cylinder 1 and drive end bearing bracket 16.Such design structure is simple, and sealing performance is good
It is good, it is structure design preferably.
Preferably, the rear side of the buffer stopper 7 forms conical horn mouth 71, and the front end of piston component 2 forms and institute
State the piston front pillar 25 of the adaptation of conical horn mouth 71.A kind of design structure of buffer stopper 7 is specifically illustrated in the technical program, cone
The adaptation design of shape horn mouth 71 and piston front pillar 25 can increase cooperation tightness degree between the two, increase the whole of equipment
Body.
23 preferably, and the rear end of the cylinder 1 is provided with a pushing rod sleeve 9, and the rear end of the driving device 3 is set in institute
It states in pushing rod sleeve 9 and the rear end of the driving device 3 is connected with a motion stops 91, the rear end of motion stops 91 is provided with a rear end
Plug screw 92 is limited, against there is restoring spring 93 between rear end limit plug screw 92 and the motion stops 91.
The technical program specifically discloses a kind of mentality of designing of pushing rod sleeve 9.Pushing rod sleeve 9 can be used for conveniently holding
It holds, increases the effective length of work.The restoring spring 93 between internal activity plug 91 and limit plunger can be in detent pawl simultaneously
33 are rotated down, so that it may promote rack gear pull rod 31 to playback using the elastic force of restoring spring 93.Such design is concise, is
Structure design preferably.
Preferably, pushing rod sleeve 9 can realize fixation by being spirally connected between percussion fixing seat 38 or rear end cap 13
Connection.Such mode install it is simple and convenient, be preferably structure design.
Embodiment two, as shown in Figure 5 and Figure 8, the present embodiment and embodiment one are almost the same, the difference lies in that about
" 33 side of detent pawl forms mounting hole 331, and the upper end of the mounting base 34 is provided with limit tabletting 35, limit pressure
It is provided with extension spring 36 " between piece 35 and the mounting hole 331, the technical solution of this part can be substituted for " the installation
Against there is a reduction torsion spring 332 " between seat 34 and the detent pawl 33.That is it can be set in the front end of detent pawl 33
A reduction torsion spring is set, causes have a power that detent pawl 33 can be driven to be resisted against on rack gear pull rod 31 always.So that rack gear is drawn
The sliding process of bar 31 is more smooth and laborsaving.
Embodiment three, the present embodiment and embodiment one are almost the same, the difference lies in that also about postposition spacer pin 37
One effect is the signal that rack gear pull rod 31 is moved to setting position.Specifically, the flank of tooth height of this hour rack pull rod 31 is answered
It should be " from high to low " design from front end to rear end.When rack gear pull rod 31 is moved to setting position, mentioning with the flank of tooth at this time
It rises, 33 lower end of detent pawl and postposition spacer pin 37 are apart from smaller and smaller, and when abutting against, rack gear pull rod 31 cannot
It in movement, shows that outside is exactly that hand-operated wheel cannot shake again, then indicates that rack gear pull rod 31 can enter in place at this time and hit
Send out step.
Such design has the function of the effect of a prompt and limit.It is able to tell that when user can stop
Only.A linear change procedure is not indicated in the present embodiment " from high to low ", wherein one be also possible on rack gear pull rod 31
A tooth, his flank of tooth are exactly that other opposite flank of tooth want high, and can be forced when marching to this tooth detent pawl 33 against
To rear end spacer pin 37, to realize the limit to rack gear pull rod.
Example IV, as shown in Figure 1-3, the present embodiment and embodiment one are almost the same, the difference lies in that the pipette tips
6 front end is additionally provided with a dust cover 10.The shape of dust cover 10 be it is outwardly open, such design can reduce dust
Or influence of the other impurities to equipment.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (10)
1. a kind of cement nailing gun, which is characterized in that including cylinder (1), piston component (2) are slidably provided in cylinder (1),
Piston component (2) in moving process for being discharged the air of piston component (2) rear end and in compression piston component (2) front end shape
At vacuum chamber (11)；The front end of the cylinder (1) is provided with impact head (21), and the front end of impact head (21) is provided with striker
(12)；The rear end of the piston component (2) is connected with a driving device (3), and driving device (3) is for driving piston component (2)
Movement and fire firing pins (12) movement in cylinder (1).
2. cement nailing gun according to claim 1, it is characterised in that: the driving device (3) includes rack gear pull rod
(31), driving gear (32) is provided on the outside of the cylinder (1), driving gear (32) is adapted to and nibbles with the rack gear pull rod (31)
It closes.
3. cement nailing gun according to claim 2, it is characterised in that: one end of driving gear (32) forms set
It connects column (321), is socketed with proficiency crank (322) outside socket column (321), hand crank (322) is for driving the driving gear
(32) it rotates；
The side of driving gear (32) is rotatably provided with detent pawl (33), detent pawl (33) and the rack gear pull rod
(31) it is adapted to.
4. cement nailing gun according to claim 3, it is characterised in that: the two sides of the rack gear pull rod (31) are respectively set
Have mounting base (34), the detent pawl (33) and driving gear (32) are rotatably located between two mounting bases (34)；
It is formed mounting hole (331) on rear side of the detent pawl (33), is installed with limit on the upside of mounting base (34) rear end
Tabletting (35) limits and is provided with extension spring (36) between tabletting (35) and the mounting hole (331)；Two mounting bases
(34) a postposition spacer pin (37) is additionally provided between, postposition spacer pin (37) is located at the rear side of the detent pawl (33).
5. cement nailing gun according to claim 1, it is characterised in that: the piston component (2) includes piston main body
(22), impact head (21) setting is in the piston main body (22)；The rear end of the impact head (21) forms limiting section
(211)；The piston component (2) further includes having setting in the latch components (4) in the outside of impact head (21) rear end, latch components
(4) connection and release realized to the impact head (21) are adapted to the limiting section (211).
6. cement nailing gun according to claim 5, it is characterised in that: the latch components (4), which include at least, locking
Pawl (41), locking ratchet (41) are resisted against in the limiting section (211)；It further include thering is setting to exist in the piston component (2)
The locking bracket (42) of locking ratchet (41) two sides, locking ratchet (41) and driving device (3) pass through locking bracket (42)
Connection；It is provided with preposition spacer pin (43) on the inside of the locking bracket (42), locking ratchet (41) side forms limit
Face (411), the rear end that preposition spacer pin (43) is located at the confined planes (411) are used to limit the angle of rotation of locking ratchet (41)
Degree；
Locking bracket (42) rear end forms connecting column (421), and described driving device (3) one end is fixed at the company
It connects in column (421)；
The lower end of the locking ratchet (41) forms locking short column (412), locks an inclined surface (413) of short column (412)
It offsets with an inclined-plane (213) for limiting section (211), for realizing the effect for blocking locking；
The limiting section (211) is annular groove；The quantity of the latch components (4) is at least two and is evenly arranged in the annular groove.
7. cement nailing gun according to claim 6, it is characterised in that: the piston component (2) further includes having a guiding
Disk (23)；Positioning disk (23) outer rim forms sealed groove (231), is provided with the first sealing ring in sealed groove (231)
(232)；
The two sides of positioning disk (23) front end have been separately formed an engaging lug (233), and the rear end of the locking bracket (42) is set
It sets between two engaging lugs (233) and is fixedly connected with the engaging lug (233)；
A percussion fixing seat (38) is provided on the outside of the driving device (3), percussion fixing seat (38) and mounting base (34) are same
Axis is arranged and fires fixing seat (38) setting in the outside of mounting base (34)；The percussion fixing seat (38) if on the outside of be installed with
Dry percussion mandril (39), percussion mandril (39) and the locking ratchet (41) correspond；The rear end of the cylinder (1) is arranged
Have a rear end cap (13), against there are second spring (14) between rear end cap (13) and the percussion fixing seat (38)；The guiding
The first spring (15) are provided between disk (23) and the locking ratchet (41)；Several are also formed on the positioning disk (23)
Venthole (234)；
Several air holes (131) are formed on rear side of the rear end cap (13), the percussion mandril (39) is threaded through described ventilative
In hole (131).
8. cement nailing gun according to claim 1, it is characterised in that: the front end of the cylinder (1) is provided with drive end bearing bracket
(16), it is provided with seal ring bracket (17) on the inside of drive end bearing bracket (16), the outside of seal ring bracket (17) and/or piston main body (22)
It is provided with y-shaped ring (18), the striker (12) is slidably arranged in the y-shaped ring (18)；The sealing ring branch
The outer sheath of frame (17) is equipped at least one second sealing ring (171)；Y-shaped ring (18) the outer end face forming elastic groove
(181), the upper and lower ends of spring groove (181) are born against on the internal outer end face with piston main body (22) of cylinder (1)；
Rear end on the inside of drive end bearing bracket (16) is provided with a guide sleeve (19), and the guide sleeve is slidably arranged in the striker (12)
(19) in；The rear end of the guide sleeve (19) forms stage portion (191), forms and described on the inside of the drive end bearing bracket (16)
The limit hole (161) of rank portion (191) adaptation.
9. cement nailing gun according to claim 1, it is characterised in that: the striker (12), which includes at least, preceding syringe needle
(121) and rear needle body (122)；It is provided with rifle mouth (5) on the outside of the preceding syringe needle (121) and rear needle body (122), rifle mouth (5) is set
Set the front side in the drive end bearing bracket (16)；Needle body (122) front end step is limited in seal ring bracket (17) inner hole front end after described,
The glove hole for installing nail is formed in the preceding syringe needle (121).
10. cement nailing gun according to claim 9, it is characterised in that: the front end of the rifle mouth (5) is also connected with pipette tips
(6), the rear end of pipette tips (6) is arranged in the inside of the rifle mouth (5)；Institute is slidably arranged in the front end of the preceding syringe needle (121)
It states pipette tips (6), the rear end of preceding syringe needle (121) forms the abutment end for limit；
The inside of drive end bearing bracket (16) rear end is buffered close by being disposed with buffer stopper (7) and buffering sealing shroud (8) except interior
The outer sheath of big envelope (8) is equipped with third sealing ring (81), and third sealing ring (81) is resisted against the inside of the cylinder (1)；
The front end face of the cushion seal set (8) forms sealing mounting groove (82), installation in sealing mounting groove (82) to rear side
There is the 4th sealing ring (83), the front end of the 4th sealing ring (83) is resisted against the inside of drive end bearing bracket (16)；The cushion seal set (8)
Rear end outer rim form " stepped ramp type " sealing (84), sealing is resisted against on the front end face of cylinder (1) on rear side of (84)；Institute
The front end for stating impact head (21) forms forced section (24)；
It is formed conical horn mouth (71) on rear side of the buffer stopper (7), the front end of piston component (2) forms and the cone
The piston front pillar (25) of shape horn mouth (71) adaptation；
The rear end of the cylinder (1) is provided with a pushing rod sleeve (9), and the rear end of the driving device (3) is set in the pushing rod sleeve
(9) in the and rear end of the driving device (3) is connected with a motion stops (91), and the rear end of motion stops (91) is provided with a rear end
It limits plug screw (92), against there is restoring spring (93) between rear end limit plug screw (92) and the motion stops (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822241274.6U CN209520847U (en) | 2018-12-28 | 2018-12-28 | A kind of cement nailing gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822241274.6U CN209520847U (en) | 2018-12-28 | 2018-12-28 | A kind of cement nailing gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209520847U true CN209520847U (en) | 2019-10-22 |
Family
ID=68228228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822241274.6U Expired - Fee Related CN209520847U (en) | 2018-12-28 | 2018-12-28 | A kind of cement nailing gun |
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| Country | Link |
|---|---|
| CN (1) | CN209520847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514501A (en) * | 2018-12-28 | 2019-03-26 | 世链（温岭）工具有限公司 | A kind of cement nailing gun |
-
2018
- 2018-12-28 CN CN201822241274.6U patent/CN209520847U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514501A (en) * | 2018-12-28 | 2019-03-26 | 世链（温岭）工具有限公司 | A kind of cement nailing gun |
| CN109514501B (en) * | 2018-12-28 | 2024-02-27 | 台州市大江实业有限公司 | Cement nail gun |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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