CN206277021U - It is applied to the gas protective welding gun of narrow space - Google Patents
It is applied to the gas protective welding gun of narrow space Download PDFInfo
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- CN206277021U CN206277021U CN201621279563.XU CN201621279563U CN206277021U CN 206277021 U CN206277021 U CN 206277021U CN 201621279563 U CN201621279563 U CN 201621279563U CN 206277021 U CN206277021 U CN 206277021U
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Abstract
The utility model belongs to welder technical field,Disclose a kind of gas protective welding gun for being applied to narrow space,Including gun barrel and pipette tips component,Pipette tips component is connected by the adjustable coupling assembly of an angle of bend with gun barrel,Movable sleeve is provided with pikestaff component on gun barrel tube wall,Wherein,The locking piece for pikestaff component to be locked in optional position on gun barrel is provided with pikestaff component,And the control piece for controlling coupling assembly angle of bend being connected with pipette tips component,Itself is converted to control piece the rotative component of coupling assembly angle along the component motion of gun barrel axial direction,By the coupling assembly that adjustable angle is set between pipette tips component and gun barrel,So that the adjustable angle of pipette tips component and gun barrel,By by pikestaff component pivot bush unit on gun barrel,Can cause that operator's handgrip part is flexibly adjustable with the distance of pipette tips component,To sum up,The utility model gas protective welding gun is adapted to all types of to-be-welded pieces of labyrinth,And improve the efficiency of welding.
Description
Technical field
The utility model is related to a kind of welding gun, more specifically, it relates to a kind of gas shield for being applied to narrow space
Welding gun.
Background technology
Gas protective welding gun abbreviation gas shield welding, is the method welded with protective gas such as CO2.In application aspect operation
Simply, it is adapted to automatic welding and comprehensive welding.Due to low cost, carbon dioxide is easily produced, therefore gas shield welding extensive use
In the middle of major small enterprises.
In some special welding fields, such as welding process of steamer fan blade, because fan blade quantity is more and adjacent fan blade
Between arrangement it is tight, narrow gaps, fan blade head and the tail size has different, and angle is cunning, and existing welding gun cannot easily enter weld zone
Domain.Regarding to the issue above, method commonly used in the prior art is to answer butt welding contact position different using the welding gun of special angle
Situation.Such as a kind of fusing welded for ultra-narrow deep space chamber that patent announcement number is proposed by the Chinese patent of CN203765150U
Pole gas protecting welding gun, and a kind of gas shielded arc welding that patent announcement number is proposed by the Chinese patent of CN205218272U
Rifle gun barrel, designs both in the cunning weldment of some bond pad locations.The gun barrel of above-mentioned welding gun, due to initial bending
Angle is fixed or handling section is fixed apart from pipette tips length, and in welding, workman needs to be replaced as frequently as different types of welding gun with full
Foot welding needs, and is so greatly lowered the efficiency of welding.
Utility model content
In for practice, using solder joint complex operation, efficiency at existing gas protective welding gun welding curved narrow
Low problem, the utility model purpose is to propose a kind of gas protective welding gun for being applied to narrow space, and concrete scheme is such as
Under：
A kind of gas protective welding gun for being applied to narrow space, including gun barrel and it is arranged at the pipette tips group of gun barrel one end
Part, the pipette tips component is flexibly connected by the adjustable coupling assembly of an angle of bend with gun barrel, activity on the gun barrel tube wall
One is arranged with for facilitating operator to take gun barrel and the pikestaff component that is controlled to gun barrel conducting state；
Wherein, the locking piece for pikestaff component to be locked in optional position on gun barrel is provided with the pikestaff component, with
And the control piece for controlling coupling assembly angle of bend being connected with pipette tips component, the control piece is by itself along gun barrel
The component motion of axial direction is converted to the rotative component of coupling assembly angle.
By above-mentioned technical proposal, the angle of bend between pipette tips component and gun barrel can be adjusted so that welding gun pipette tips energy
Enough solder joints for easily welding some knees.By the way that pikestaff component is movably set on gun barrel and locking piece is set, can be with
So that pikestaff component flexibly changes apart from the distance of pipette tips component, also allowing for operator can be according to to-be-welded elements solder joint
Depth adjustment supplies the distance of hand-held pikestaff component and pipette tips component, so as to meet the welding needs of different depth.Above-mentioned setting,
So that operator, without being replaced as frequently as welding gun, improves the efficiency of welding when the to-be-welded elements of labyrinth are welded.
Further, the coupling assembly includes preceding gooseneck section, interior ball cover, outer ball cover, rear gooseneck section；Wherein, in described
Ball cover is fixedly connected with one end of preceding gooseneck section, and the airway being connected with preceding gooseneck section is provided with interior ball cover, described outer
Ball cover is fixedly connected with one end of rear gooseneck, and shape size is provided with outer ball cover is adapted with interior ball cover, for accommodating in
The spherical cavity of ball cover, the interior ball cover movable sealing is sheathed in the spherical cavity of ectosphere set；
The pipette tips component and preceding gooseneck section are fixedly connected away from one end of interior ball cover, the gun barrel and outer ball cover section away from
One end of outer ball cover is fixedly connected.
By above-mentioned technical proposal, interior ball cover and outer ball cover pivot bush unit so that can between preceding gooseneck Duan Yuhou goosenecks section
To relatively rotate, so that angle can also be adjusted significantly therebetween, help to realize the flexible welding of different solder joints.
Further, circumferentially fixed it is provided with ring packing rubber ring along its on the inwall of spherical cavity；The outer ball cover
The sealing shroud for sealing outer ball cover and interior ball cover junction is arranged with outer wall.
By above-mentioned technical proposal, can cause that the protective gas such as the CO2 in preceding gooseneck Duan Yuhou goosenecks section will not be revealed
To outside welding gun, it is ensured that the air-tightness of whole welding gun.
Further, the coupling assembly includes an inner flexible tube, bellows, preceding gooseneck section and rear gooseneck section, the ripple
On inner flexible tube, the two ends of the inner flexible tube are connected line pipe sleeve with preceding gooseneck Duan Yuhou goosenecks section respectively, the bellows
Two ends respectively with the outer wall fixed seal connection of preceding gooseneck Duan Yuhou goosenecks section, the one end of the preceding gooseneck section away from bellows
It is connected with pipette tips component, the rear gooseneck section is connected away from one end of bellows with the gun barrel.
By above-mentioned technical proposal, bellows can be around the axial multi-directional bending of its own, so that preceding gooseneck section
With rear gooseneck section between angle it is flexibly adjustable so that pipette tips component can be with the cunning point position of soldering angle.
Further, the pikestaff component includes that the preceding gun housing and fixed cover that are movably set on gun barrel outer wall are located at rifle
It is used to store the rear gun housing of control line in pipe outer wall；Trigger for controlling gun barrel conducting state is installed in the preceding gun housing,
The rear gun housing sets away from the coupling assembly and flexible attachment structure is provided between preceding gun housing；
The locking piece is located between preceding gun housing and gun barrel, the control piece be movably set in preceding gun housing and coupling assembly it
Between.
It is adjustable for hand-held preceding gun housing position by above-mentioned technical proposal so that the position of the hand-held gun barrel of operator away from
Position length from solder joint is adjustable, and thus when the different to-be-welded pieces of some depth are welded, operator can neatly adjust
Hand position so that the applicability of whole welding gun is stronger.
Further, the locking piece includes that one abuts block, and one end of the abutting block abuts with gun barrel, other end connection
There are a return springs, the return springs are fixedly connected away from the one end for abutting block with the inwall of preceding gun housing；The abutting
It is provided with the spacing handle for it with gun barrel separate on block, the middle part of the spacing handle is hinged and with preceding gun housing away from supporting
The one end for connecing block extend out to the outside of preceding gun housing；When spacing handle is moved around it with the pin joint of preceding gun housing, abut block and be close to
Or away from gun barrel motion；Return springs initially under setting state, abut block and are abutted with gun barrel tube wall.
By above-mentioned technical proposal, when operator presses spacing handle, spacing handle with abut one end that block is in contact
Abutting block is driven to move upward, so that abut block separated with gun barrel, so that preceding gun housing can be transported along the axial direction of gun barrel
It is dynamic；When current gun housing reaches suitable position, abut block and again lock preceding gun housing and gun barrel, it is to avoid preceding gun housing position arbitrarily becomes
It is dynamic, it is achieved in position adjustments.
Further, there is chute along the axially arranged of gun barrel in the preceding gun housing, the operating key includes that one slides with chute
The connecting rod for moving the sliding block of connection and being articulated with the sliding block；The connecting rod cuts with scissors away from one end of sliding block with the coupling assembly
Setting is connect, the connecting rod, gun barrel and coupling assembly constitute one and close triangle.
By above-mentioned technical proposal, the sliding block can be neatly slided by thumb during the hand-held preceding gun housing of operator,
Thus drivening rod pulls the preceding gooseneck section motion of coupling assembly, thus conveniently realizes the regulation of pipette tips component angle of bend.
Further, the flexible attachment structure includes a corrugated insulation rubber sleeve.
By above-mentioned technical proposal, preceding gun housing can be caused variable with the position of rear gun housing and be connected again.
Further, multiple spacing holes are uniformly offered along the axial direction of gun barrel on the housing of the preceding gun housing, it is described flexible
Attachment structure be fixedly connected with rear gun housing including one and with the telescoping tube of preceding gun housing expansion fit, the telescoping tube is movably set in
On the gun barrel, the stopper includes the elastic spacing projection corresponding with the spacing hole set in flexible pipe outer wall.
By above-mentioned technical proposal, when needing to adjust the position of the preceding gun housing, it is only necessary to press elastic spacing projection,
The preceding gun housing is then slided, when it slides into correct position, is fixed preceding gun housing using elastic spacing projection.
Further, the pipette tips component includes the ignition tip of concentric setting, nozzle, insulation sleeve and air sifter, described
The one end of one end of insulation sleeve with preceding gooseneck section away from coupling assembly main element is connected, and the other end is connected with nozzle threads；
The ignition tip is fixedly connected in insulation sleeve, and jet channel is formed between the inwall of the ignition tip and the nozzle, described
Air sifter is fixedly installed in the jet channel.
Compared with prior art, the beneficial effects of the utility model are as follows：
By the coupling assembly that adjustable angle is set between pipette tips component and gun barrel so that the angle of pipette tips component and gun barrel
Degree is adjustable, so that welding gun can be with the complicated to-be-welded pieces in weld pads position；By by pikestaff component pivot bush unit in rifle
Guan Shang, can cause that operator's handgrip part is flexibly adjustable with the distance of pipette tips component, so that welding gun can be welded
The different point position of depth；2 advantages of summary, the utility model gas protective welding gun is adapted to baroque each
Type to-be-welded pieces, and improve the efficiency of welding.
Brief description of the drawings
Fig. 1 is the overall schematic of the utility model gas protective welding gun embodiment one；
Fig. 2 is the exploded perspective view of the utility model gas protective welding gun embodiment one；
Fig. 3 is the generalized section of coupling assembly in the utility model gas protective welding gun embodiment one；
Fig. 4 is the overall generalized section of the utility model gas protective welding gun embodiment one；
Fig. 5 is the close-up schematic view in A portions in Fig. 4；
Fig. 6 is the overall schematic of the utility model gas protective welding gun embodiment two；
Fig. 7 is the close-up schematic view in B portions in Fig. 6；
Fig. 8 is the cooperation schematic diagram of pikestaff component and locking piece in the utility model gas protective welding gun embodiment three；
Fig. 9 is the exploded perspective view of pikestaff component and locking piece in the utility model gas protective welding gun embodiment three
Figure 10 is the overall schematic of the utility model gas protective welding gun example IV.
Accompanying drawing mark：1st, gun barrel；2nd, pipette tips component；3rd, coupling assembly；4th, pikestaff component；5th, locking piece；6th, control piece；
21st, ignition tip；22nd, nozzle；23rd, insulation sleeve；24th, air sifter；25th, jet channel；311st, preceding gooseneck section；312nd, interior ball cover；313、
Outer ball cover；314th, rear gooseneck section；315th, airway；316th, spherical cavity；317th, sealing rubber ring；318th, sealing shroud；321st, it is interior soft
Pipe；322nd, bellows；41st, preceding gun housing；42nd, groove；43rd, rear gun housing；44th, trigger；45th, insulation rubber sleeve；511st, block is abutted；
512nd, return springs；513rd, spacing handle；61st, chute；62nd, sliding block；63rd, connecting rod；521st, spacing hole；522nd, telescoping tube；
523rd, elastic spacing projection；7th, pole；8th, reflective mirror.
Specific embodiment
For some baroque to-be-welded pieces, such as blade of water turbine set, its depth of weld differs, and pad
Being frequently located in some has inside the narrow space of radian.Traditional welding gun can not carry out effective welding to above-mentioned solder joint,
Need operator constantly to change the type of welding gun during welding, greatly reduce the efficiency of welding.The utility model is mainly pin
For above mentioned problem, it is proposed that a kind of new gas protective welding gun for being applied to narrow space.
With reference to embodiment and figure, the utility model is described in further detail, but embodiment party of the present utility model
Formula is not limited only to this.
Embodiment one
As shown in figure 1, a kind of gas protective welding gun for being applied to narrow space, including gun barrel 1 and it is arranged at gun barrel 1 one
The pipette tips component 2 at end.Gun barrel 1 is connected away from one end of pipette tips component 2 with protective gas generating means.In order that obtaining pipette tips
The position that component 2 can be welded is flexible and changeable, and pipette tips component 2 is by the adjustable coupling assembly 3 of an angle of bend and the activity of gun barrel 1
Connection.
With reference to shown in Fig. 2 and Fig. 3, coupling assembly 3 includes preceding gooseneck section 311, interior ball cover 312, outer ball cover 313, rear gooseneck
Section 314；Wherein, interior ball cover 312 is fixedly connected with one end of preceding gooseneck section 311, and is provided with interior ball cover 312 and preceding gooseneck section
311 airways 315 being connected.Outer ball cover 313 is fixedly connected with one end of rear gooseneck, and is provided with shape in outer ball cover 313
Size is adapted with interior ball cover 312, and the spherical cavity 316 for accommodating interior ball cover 312, the Moveable seal cartridge 318 of interior ball cover 312 is located at
In the spherical cavity 316 of outer ball cover 313.The one end of pipette tips component 2 with preceding gooseneck section 311 away from interior ball cover 312 is fixedly connected, gun barrel
1 is fixedly connected with 313 sections of one end away from outer ball cover 313 of outer ball cover.
Due to interior ball cover 312 and the pivot bush unit of outer ball cover 313, similar to ball valve, during current 311 stress of gooseneck section, preceding goose
Cervical part of esophagus 311 can relatively rotate with rear gooseneck section 314, so as to adjust preceding gooseneck section 311 with angle formed by rear gooseneck section 314
Degree, is achieved in the regulation of pipette tips component 2 and the angulation of gun barrel 1, and the flexible rotating of pipette tips component 2 helps to realize different welderings
The flexible welding of point.
For pipette tips component 2, detailed description, as shown in Fig. 2 similar with prior art, pipette tips component 2 includes concentric setting
The ignition tip 21 put, nozzle 22, insulation sleeve 23 and air sifter 24, one end of insulation sleeve 23 and preceding gooseneck section 311 are away from connection group
The threaded one end connection or fixedly sleeved of the main element of part 3, the other end is threadedly coupled with nozzle 22；Ignition tip 21 is fixedly connected
In jet channel 25 in insulation sleeve 23, is formed between the inwall of ignition tip 21 and nozzle 22, air sifter 24 is fixedly installed on jet and leads to
In road 25.During weld job, be provided with welding wire on ignition tip 21, protection gas the past gooseneck section 311 flows to insulation sleeve 23, then from
Flowed out in jet channel 25, air sifter 24 can effectively prevent dust from entering into inside nozzle 22, it is also possible to the air-flow for spraying
Play certain guide effect, it is ensured that protection air-flow equably can be blown at solder joint.
As shown in figure 3, in order that the protective gas such as the CO2 in preceding gooseneck section 311 and rear gooseneck section 314 when welding not
Can be leaked to outside welding gun, it is ensured that the air-tightness of whole welding gun.As shown in figure 3, optimization, along it on the inwall of spherical cavity 316
It is circumferentially fixed to be provided with ring packing rubber ring 317；Be arranged with the outer wall of outer ball cover 313 for seal outer ball cover 313 with it is interior
The sealing shroud 318 of the junction of ball cover 312, above-mentioned sealing shroud 318 has soft rubber to be made.
Further optimization, in order to avoid excessively being loosened between interior ball cover 312 and outer ball cover 313, interior ball cover 312 with it is outer
The magnetic part of such as magnet is additionally provided with ball cover 313, in original state, preceding gooseneck section 311 is with rear gooseneck section 314 in magnetic
Under the magneticaction of part linearly.
In order that pikestaff component 4 flexibly changes apart from the distance of pipette tips component 2 so that operator can be according to treating
The depth adjustment of soldered elements solder joint supplies the distance of hand-held pikestaff component 4 and pipette tips component 2, to cause that welding gun meets different depths
The welding of degree needs, as shown in figure 1, be slidingly connected on the tube wall of gun barrel 1 of the utility model gas protective welding gun having for convenient
Operator takes gun barrel 1 and the pikestaff component 4 that is controlled to the conducting state of gun barrel 1.
As shown in Figure 4 and Figure 5, in addition to the existing pikestaff housing for facilitating operator hand-held in the prior art, pikestaff
The locking piece 5 for pikestaff component 4 to be locked in optional position on gun barrel 1 is additionally provided with component 4, and is passed with pipette tips component 2
The control piece 6 for controlling the angle of bend of coupling assembly 3 of dynamic connection, control piece 6 by itself along the axial direction of gun barrel 1 component motion
Be converted to the rotative component of the angle of coupling assembly 3.
Specifically, pikestaff component 4 includes that the preceding gun housing 41 and fixed cover that are movably set on the outer wall of gun barrel 1 are located at rifle
It is used to store the rear gun housing 43 of control line on the outer wall of pipe 1.Trigger for controlling the conducting state of gun barrel 1 is installed in preceding gun housing 41
44, rear gun housing 43 sets away from coupling assembly 3 and flexible attachment structure is provided between preceding gun housing 41.
In the present embodiment, flexible attachment structure is preferably a corrugated insulation rubber sleeve 45.Above-mentioned technical proposal, can be with
So that preceding gun housing 41 is variable with the position of rear gun housing 43 and is connected again.
Locking piece 5 is located between preceding gun housing 41 and gun barrel 1, control piece 6 be movably set in rear gun housing 43 and coupling assembly 3 it
Between.
Describe in detail, above-mentioned locking piece 5 includes that one abuts block 511, and the one end for abutting block 511 abuts with gun barrel 1, and the other end connects
A return springs 512 are connected to, return springs 512 are fixedly connected away from the one end for abutting block 511 with the inwall of preceding gun housing 41.
Abut the spacing handle 513 being provided with block 511 for it with gun barrel 1 separate, the middle part of spacing handle 513 and preceding gun housing 41
It is hinged and extend out to the outside of preceding gun housing 41 away from the one end for abutting block 511.When spacing handle 513 is around its hinge with preceding gun housing 41
During joint movement, abut block 511 and moved closer or far from gun barrel 1；Under the initial setting state of return springs 512, block 511 is abutted
Abutted with the tube wall of gun barrel 1.Specifically, as shown in figure 5, return springs 512 include a back-moving spring.
Operator's hand torch, is provided with the outer wall of preceding gun housing 41 and is mutually fitted with human finger shape size for convenience
The groove 42 matched somebody with somebody, gun housing 41 before being easy to operator to hold.
The workflow of above-mentioned locking piece 5 is as follows：When operator press spacing handle 513 when, spacing handle 513 with abut
One end that block 511 is in contact drives abutting block 511 to move upward, so that abut block 511 separated with gun barrel 1, so that
Preceding gun housing 41 can be along the axial movement of gun barrel 1；When current gun housing 41 reaches suitable position, block 511 is abutted again by preceding rifle
Shell 41 is locked with gun barrel 1, it is to avoid the position of preceding gun housing 41 arbitrarily changes, and is achieved in position adjustments.
For control piece 6, detailed description, as shown in figure 4, having chute 61, control along the axially arranged of gun barrel 1 in preceding gun housing 41
Key includes that one slides the sliding block 62 being connected and the connecting rod 63 being articulated with sliding block 62 with chute 61；Connecting rod 63 is away from sliding block 62
One end is hinged setting with coupling assembly 3, and connecting rod 63, gun barrel 1 and coupling assembly 3 constitute one and close triangle.Set based on above-mentioned
Put, can be by thumb neatly sliding slider 62 during the hand-held preceding gun housing 41 of operator, thus drivening rod 63 pulls connection
The preceding gooseneck section 311 of component 3 is moved, and thus conveniently realizes the regulation of the angle of bend of pipette tips component 2.
In above-mentioned each functional unit, except necessary insulated connecting piece, such as outside pikestaff component 4 or elastic telescopic part, its
Remaining part part, such as gun barrel 1, pipette tips component 2 are made of copper.
Embodiment two
As shown in Figure 6 and Figure 7, a kind of gas protective welding gun for being applied to narrow space, the difference with embodiment one is：
Coupling assembly 3 includes an inner flexible tube 321, bellows 322, preceding gooseneck section 311 and rear gooseneck section 314, and bellows 322 is sheathed on
On inner flexible tube 321.Inner flexible tube 321 is made up of soft plastic material, and bellows 322 is made up of stainless steel material.Inner flexible tube 321
Two ends 314 are connected with preceding gooseneck section 311 with rear gooseneck section respectively, the two ends of bellows 322 respectively with preceding gooseneck section 311 with it is rear
The outer wall fixed seal connection of gooseneck section 314, preceding gooseneck section 311 is connected away from one end of bellows 322 with pipette tips component 2,
Gooseneck section 314 is connected away from one end of bellows 322 with gun barrel 1 afterwards.Based on above-mentioned technical proposal, bellows 322 can be around
The axial multi-directional bending of its own, so that the angle between preceding gooseneck section 311 and rear gooseneck section 314 is flexibly adjustable, makes
Obtaining pipette tips component 2 can be with the cunning point position of soldering angle.
Embodiment three
As shown in Figure 8 and Figure 9（It is the matching relationship for protruding pikestaff component and locking piece in figure, omits gas shielded arc welding
The other parts of rifle）, a kind of gas protective welding gun for being applied to narrow space, the difference with embodiment one is：Preceding gun housing 41
Housing on uniformly offer multiple spacing holes 521 along the axial direction of gun barrel 1, flexible attachment structure is fixed including one with rear gun housing 43
Connection and with the telescoping tube 522 of the expansion fit of preceding gun housing 41, telescoping tube 522 is movably set on gun barrel 1, and stopper includes flexible
The elastic spacing projection 523 corresponding with spacing hole 521 set on the outer wall of pipe 522.
The use process of above-mentioned stopper is as follows：When the position of gun housing 41 before needing regulation, it is only necessary to limited by compression elasticity
Position projection 523, makes it depart from from spacing hole 521, gun housing 41 before then sliding, when it slides into correct position, using bullet
Property spacing block set 523 preceding gun housing 41 is fixed, simple structure, convenient operation.
Example IV
As shown in Figure 10, a kind of gas protective welding gun for being applied to narrow space, as the optimization to the various embodiments described above,
Due to some low-angle pads, in welding, operator cannot see the relative position of solder joint and welding gun pipette tips component 2 clearly, cause
Welding difficulty.Here, being provided with a reflective mirror 8, the reflective mirror by a pole 7 on gun barrel 1 or in rear gooseneck section 314
8 are made up of argent or other High-temperature resistant alloy materials.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of gas protective welding gun for being applied to narrow space, including gun barrel (1) and the pipette tips of gun barrel (1) one end are arranged at
Component (2), it is characterised in that the pipette tips component (2) is living by the adjustable coupling assembly of an angle of bend (3) and gun barrel (1)
Dynamic connection, movable sleeve is provided with one and gun barrel (1) and gun barrel (1) is turned on for facilitating operator to take on gun barrel (1) tube wall
The pikestaff component (4) that state is controlled；
Wherein, the locking for pikestaff component (4) to be locked in optional position on gun barrel (1) is provided with the pikestaff component (4)
Part (5), and the control piece (6) for controlling coupling assembly (3) angle of bend being connected with pipette tips component (2), it is described
Itself is converted to control piece (6) rotative component of coupling assembly (3) angle along the component motion of gun barrel (1) axial direction.
2. the gas protective welding gun for being applied to narrow space according to claim 1, it is characterised in that the coupling assembly
(3) including preceding gooseneck section (311), interior ball cover (312), outer ball cover (313), rear gooseneck section (314)；Wherein, the interior ball cover
(312) with preceding gooseneck section (311) one end be fixedly connected, and be provided with interior ball cover (312) with preceding gooseneck section (311) be connected
Airway (315), the outer ball cover (313) is fixedly connected with one end of rear gooseneck, and is provided with shape in outer ball cover (313)
Size is adapted with interior ball cover (312), the spherical cavity (316) for accommodating interior ball cover (312), interior ball cover (312) activity
Sealing shroud (318) is in the spherical cavity (316) of outer ball cover (313)；
The pipette tips component (2) and preceding gooseneck section (311) are fixedly connected away from one end of interior ball cover (312), the gun barrel (1) with
Outer ball cover (313) section is fixedly connected away from one end of outer ball cover (313).
3. the gas protective welding gun for being applied to narrow space according to claim 2, it is characterised in that spherical cavity (316)
Inwall on circumferentially fixed be provided with ring packing rubber ring (317) along its；Use is arranged with the outer wall of the outer ball cover (313)
In the sealing shroud (318) for sealing outer ball cover (313) and interior ball cover (312) junction.
4. the gas protective welding gun for being applied to narrow space according to claim 1, it is characterised in that the coupling assembly
(3) including an inner flexible tube (321), bellows (322), preceding gooseneck section (311) and rear gooseneck section (314), the bellows
(322) be sheathed on inner flexible tube (321), the two ends of the inner flexible tube (321) respectively with preceding gooseneck section (311) and rear gooseneck section
(314) it is connected, the two ends of the bellows (322) are fixed with preceding gooseneck section (311) with the outer wall of rear gooseneck section (314) respectively
It is tightly connected, preceding gooseneck section (311) is connected away from one end of bellows (322) with pipette tips component (2), the rear gooseneck
Section (314) is connected away from one end of bellows (322) with the gun barrel (1).
5. the gas protective welding gun for being applied to narrow space according to claim 1, it is characterised in that the pikestaff component
(4) it is used to store on gun barrel (1) outer wall including the preceding gun housing (41) being movably set on gun barrel (1) outer wall and fixed cover
The rear gun housing (43) of control line；Trigger (44) for controlling gun barrel (1) conducting state, institute are installed on the preceding gun housing (41)
Rear gun housing (43) is stated to be set away from the coupling assembly (3) and be provided with flexible attachment structure between preceding gun housing (41)；
Between preceding gun housing (41) and gun barrel (1), the control piece (6) is movably set in preceding gun housing to the locking piece (5)
(41) and coupling assembly (3) between.
6. the gas protective welding gun for being applied to narrow space according to claim 5, it is characterised in that the locking piece
(5) block (511) is abutted including one, described one end for abutting block (511) abuts with gun barrel (1), and the other end is connected with a reset bullet
Property part (512), the return springs (512) away from abut block (511) one end be fixedly connected with the inwall of preceding gun housing (41)；
It is described to abut the spacing handle (513) being provided with block (511) for it with gun barrel (1) separate, the spacing handle (513)
Middle part be hinged with preceding gun housing (41) and the outside of preceding gun housing (41) extend out to away from the one end for abutting block (511)；When spacing hand
When pin joint of the handle (513) around it with preceding gun housing (41) is moved, abut block (511) and moved closer or far from the gun barrel (1)；It is multiple
Under the initial setting state in position elastic component (512), abut block (511) and abutted with gun barrel (1) tube wall.
7. the gas protective welding gun for being applied to narrow space according to claim 5, it is characterised in that the preceding gun housing
(41) there is chute (61) along the axially arranged of gun barrel (1) on, the operating key includes a sliding block being connected with chute (61) sliding
And the connecting rod (63) that is articulated with the sliding block (62) (62)；The one end and the company of the connecting rod (63) away from sliding block (62)
Connected components (3) are hinged setting, and the connecting rod (63), gun barrel (1) and coupling assembly (3) constitute one and close triangle.
8. the gas protective welding gun for being applied to narrow space according to claim 6 or 7, it is characterised in that described flexible
Attachment structure includes a corrugated insulation rubber sleeve (45).
9. the gas protective welding gun for being applied to narrow space according to claim 5, it is characterised in that the preceding gun housing
(41) multiple spacing holes (521) are uniformly offered along the axial direction of gun barrel (1) on housing, the flexible attachment structure include one with
Afterwards gun housing (43) be fixedly connected and with the telescoping tube (522) of preceding gun housing (41) expansion fit, the telescoping tube (522) is slidingly connected
On the gun barrel (1), the locking piece (5) is relative with the spacing hole (521) including what is set on telescoping tube (522) outer wall
The elastic spacing projection (523) answered.
10. the gas protective welding gun for being applied to narrow space according to any one in claim 2~4, its feature exists
In, ignition tip (21) of the pipette tips component (2) including concentric setting, nozzle (22), insulation sleeve (23) and air sifter (24),
One end of the insulation sleeve (23) is connected with preceding gooseneck section (311) away from one end of coupling assembly (3) main element, the other end
It is threadedly coupled with nozzle (22)；The ignition tip (21) is fixedly connected in insulation sleeve (23), the ignition tip (21) with it is described
Jet channel (25) is formed between the inwall of nozzle (22), the air sifter (24) is fixedly installed in the jet channel (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621279563.XU CN206277021U (en) | 2016-11-25 | 2016-11-25 | It is applied to the gas protective welding gun of narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621279563.XU CN206277021U (en) | 2016-11-25 | 2016-11-25 | It is applied to the gas protective welding gun of narrow space |
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| Publication Number | Publication Date |
|---|---|
| CN206277021U true CN206277021U (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621279563.XU Active CN206277021U (en) | 2016-11-25 | 2016-11-25 | It is applied to the gas protective welding gun of narrow space |
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| CN (1) | CN206277021U (en) |
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| CN107363386A (en) * | 2017-07-24 | 2017-11-21 | 南昌大学 | A kind of magnetic adsorption type conduction spherojoint |
| CN108907402A (en) * | 2018-09-17 | 2018-11-30 | 山东茂盛管业有限公司 | A kind of spiral steel pipe divided edge molding device |
| WO2019019508A1 (en) * | 2017-07-27 | 2019-01-31 | 广船国际有限公司 | Novel welding gun |
| CN110934638A (en) * | 2019-11-20 | 2020-03-31 | 河北省胸科医院 | Bendable electric knife handle, electric knife and adjusting method of bendable electric knife handle |
| CN111390357A (en) * | 2020-05-14 | 2020-07-10 | 重庆科技学院 | Gas shielded welding gun |
| CN112091383A (en) * | 2020-08-07 | 2020-12-18 | 中船澄西船舶修造有限公司 | Stud welding gun anti-splashing positioning sleeve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107363386A (en) * | 2017-07-24 | 2017-11-21 | 南昌大学 | A kind of magnetic adsorption type conduction spherojoint |
| WO2019019508A1 (en) * | 2017-07-27 | 2019-01-31 | 广船国际有限公司 | Novel welding gun |
| CN108907402A (en) * | 2018-09-17 | 2018-11-30 | 山东茂盛管业有限公司 | A kind of spiral steel pipe divided edge molding device |
| CN110934638A (en) * | 2019-11-20 | 2020-03-31 | 河北省胸科医院 | Bendable electric knife handle, electric knife and adjusting method of bendable electric knife handle |
| CN111390357A (en) * | 2020-05-14 | 2020-07-10 | 重庆科技学院 | Gas shielded welding gun |
| CN112091383A (en) * | 2020-08-07 | 2020-12-18 | 中船澄西船舶修造有限公司 | Stud welding gun anti-splashing positioning sleeve |
| CN113020323A (en) * | 2021-03-24 | 2021-06-25 | 大连理工大学 | Local small-feature impact forming device and method for metal thin-wall curved surface part |
| CN114101870A (en) * | 2021-12-07 | 2022-03-01 | 徐晨晨 | Semi-automatic electric arc welding gun and gun head thereof |
| CN114101870B (en) * | 2021-12-07 | 2024-04-26 | 徐晨晨 | Semi-automatic arc welding gun and gun head thereof |
| CN114193056A (en) * | 2021-12-31 | 2022-03-18 | 温岭阿凡达机电有限公司 | Handheld welding gun |
| CN117961399A (en) * | 2024-03-29 | 2024-05-03 | 常州市华瑞焊割机械有限公司 | Gun barrel adjusting mechanism and welding gun with same |
| CN117961399B (en) * | 2024-03-29 | 2024-06-04 | 常州市华瑞焊割机械有限公司 | Gun barrel adjusting mechanism and welding gun with same |
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