CN2794411Y

CN2794411Y - Multifunction vacuum cleaner

Info

Publication number: CN2794411Y
Application number: CN 200520002256
Authority: CN
Inventors: 田吉传; 俞建福
Original assignee: NINGBO FUDA ELECTRIC APPLIANCE CO Ltd
Current assignee: NINGBO FUDA ELECTRIC APPLIANCE CO Ltd
Priority date: 2005-02-17
Filing date: 2005-02-17
Publication date: 2006-07-12
Anticipated expiration: 2015-02-17

Abstract

The utility model provides a multifunction cleaner. The utility model comprises a ground brush suction tool, a main body machine and a hollow machine rod, wherein the hollow machine rod is a fork-shaped machine rod rotating device and is composed of a Y-shaped fork piece, convex post pins, a suction pipe locking device, a handle, an angle position controlling and locking device, a pipe-shaped handle rod and a telescopic suction pipe, wherein the outer side of the middle part of the main body machine is provided with two blind holes, the inner sides near the end parts of long teeth of the Y-shaped fork piece are provided with the convex post pins which are matched with the blind holes for installation. A section of telescopic suction pipe in the handle rod is arranged between two long tooth included angles, and the suction pipe is controlled by the locking device and is matched with a mouth locking hole at the tail end of the cleaner or an end mouth of the cleaner in an embedding way. The handle and the handle rod are connected by matching with a bevel, and the handle can rotate. A groove arranged in the angle position controlling and locking device at the front end of the handle rod is matched with a positioning convex rib at the outer side of the handle, and the connection position of the handle and the pipe-shaped handle rod can be used by forming a bending angle, or the connection position can be arranged between a ground brush suction tool and the main body machine to serve as a lengthening rod of the cleaner by becoming a straight rod. Therefore, the function and use of the cleaner can be enlarged.

Description

Multifunctional dust vacuum cleaner

Technical field

The utility model relates to a kind of improved dust catcher auxiliary member, specifically a kind of multifunctional dust vacuum cleaner.

Background technology

At present in the technology, normal domestic use dust catcher shape, be configured with multiple, the general main formula of dust catcher is made up of three parts: front component is that scrubbing brush is inhaled tool, intermediate member is the straight tube or the flexible pipe of air-breathing connection usefulness, the main body machine is finished dust suction and is used to deposit the dust that sucks from suction inlet, and hand-held hollow machine bar operating position all is arranged on straight tube or the flexible pipe, and their version is suitable for the cleaning on the plane, the face of land.The hollow machine bar is intended to command the position of dust suction, in the existing technological invention structure, the pipe of prolongation is arranged, and the extension pipe bar also has and adopts sliding close connection, scalable plug-in mounting fixed structure bar, but with regard to these machine bar structures, when common household is cleared up environment, at the bottom of the cabinet Top Tank, sofa, bed down nook, corner etc. have some corner or spot as yet untouched by a clean-up campaign and can not clear up, and causes operation inconvenience, with the cleaning of hand-held hairbrush, be very much hard and cleaning unclean.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned weak point, and a kind of multifunctional dust vacuum cleaner that changes dust suction angle or lengthening according to environment is provided.

Task of the present utility model is achieved in that a kind of multifunctional dust vacuum cleaner, includes scrubbing brush and inhales tool, main body machine, and the hollow machine bar is formed, and it is characterized in that: be shaped on two blind holes 8 in the outside, main body machine 9 middle parts; The hollow machine bar is a fork-shaped machine bar whirligig, this device comprise by tubular handle bar 6 by handle set 18, control position, angle locking device 4 and handle 3 connect around axial line rotating mechanism voluntarily; By tubular handle bar 6 by Y shape fork part 1, projection pin 5, suction pipe lock 2, telescopic pipet 7 constitutes and the upset bindiny mechanism of main body machine 9; Wherein: A, rotating mechanism constitute by being with tubular handle 3 to connect by handle set 18 and tubular handle bar 6, set about handle seat 18 at handle bar 6 front end suits, are the interior collar extensions that have the splay end anchor ring at the front end of handle set 18; And have the handle 3 of oblique anchor ring, and be shaped on the excurve pawl along the limit at its termination endoporus and collude 17, between connecting, tubular handle 3 and tubular handle bar 6 cooperate with the inclined-plane, and its oblique angle equates; And with pawl collude 17 embed in collar extension connections that interlock, this oblique angle can correspondingly connect, or reverses 180 ° and do complementary connection; Wherein handle 3 is in the upper and lower outside of this splay end anchor ring, and each makes a location convex tendon 16 and 19; Control position, angle locking device 4 is housed above handle set 18 links the end outside, and this device 4 is to be made of toggle 11, toggle seat 12, slide block fixed screw 13, lock-bit slide block 14, spring 20; Lock-bit slide block 14 is fitted on the directive slide track in the toggle seat 12, and is connected with the guide pillar of screw 13 with the toggle 11 that passes toggle seat 12 leading holes; Lock-bit slide block 14 front ends are connected on the spring deck of toggle seat 12 by spring 20; The rear end of lock-bit slide block 14 is shaped on groove 15, and in lock-bit slide block 14, the groove 15 that drives its rear end moves forward and backward by spring 20 starts, go to again with circumferential rotatable, handle 3 on location convex tendon 16 or locate cooperating or disengaging of convex tendon 19; Upset coupling mechanism in B, the fork-shaped machine bar whirligig is the member that Y shape fork part 1, tubular handle bar 6 connect main body machine 9, and it pitches part 1 by Y shape, suction pipe lock 2, and projection pin 5, telescopic pipet 7 constitutes; Pitch the long tooth close end inboard of part 1, respectively be shaped on projection pin 5 Y shape, match with two blind holes 8 in the outside, main body of dust collector machine 9 middle parts; Fasten the straight line that is connected to as the trip shaft center line with its both sides projection pin 5 and blind hole 8, make main body machine 9 do forward and backward upset around it; Slide guide one end of telescopic pipet 7 is installed in the pipe of tubular handle bar 6, the other end is to cooperate with main body machine 9 parts, dial to move and be arranged on the outer suction pipe lock 2 of its pipe, connected card by it and referred to that the telescopic spring that promotes to be contained in the pipe slides, in order to ring in the start, stir telescopic pipet 7 again and move, then impel it to embed with its fore shaft hole, end location, end again after with 9 upsets of main body machine and cooperate with the dust catcher port of main body machine 9 or with the trip shaft center line.When the corresponding connection of oblique angle face of tubular handle bar 6 and handle 3, groove 15 embeds to cooperate with convex tendon 16 on the handle 3 and constitutes bent angle between the two, then is with tubular handle 3 and tubular handle bar 6 formation bent angle formula operating structures; Projection pin 5 is interlocked with two blind holes 8 in the outside, main body of dust collector machine 9 middle parts, and be with tubular handle 3 and tubular handle bar 6 to constitute bent angles or on same straight line as the handle bar, this moment, telescopic pipet 7 can embed cooperation mutually with the fore shaft hole, end location, end of main body machine 9; When tubular handle bar 6 and handle 3 in line or when being bent angle, forked type spare whirligig is contained in main body machine 9 and scrubbing brush is inhaled between the tool, operating grip is the handle 10 on the main body machine 9, this device constitutes the part of dust catcher extension bar.

Be described by modular construction relation, effect, function and use:

Fork part machine bar connects main body of dust collector machine 9 one ends, is the switching mechanism that connects, and it is by parts such as Y shape fork part 1, projection pin 5, suction pipe 7, suction pipe lock 2, tubular handle bars 6, has constituted the assembly of front end.Wherein: projection pin 5 is arranged on the long tooth ends inboard of Y shape fork part 1, can be interlocked with 2 blind holes 8 on the outside, main body of dust collector machine 9 middle parts; One end of telescopic pipet 7 is installed in tubular handle bar 6 pipes between the two long teeth of Y shape fork part 1, suction pipe lock 2 on being contained in outside the pipe, slide in interior ring by the spring reciprocating in its pipe of packing into, make telescopic pipet 7 by start in the middle of 1 liang long bottom angle of Y shape fork part, flexible in the tubular handle bar 6 termination strokes of recess.

The other end of fork-shaped machine bar is the bendable that is made of tubular handle bar 6, handle set 18, handle 3, control position, angle locking device 4 or part in line.Overlapping barrel-shaped handle set 18 is the splay end anchor rings that have collar extension in the end, is sleeved on the port of tubular handle bar 6; And control position, angle locking device 4, setting is installed on handle set 18 outside long column faces.Handle 3 have angled end-face, cooperate with the end inclined-plane of handle set 18 and join, both oblique angles equate; When its angled end-face position is the combination of complementary kissing, both tangent complementations of end bevel angle, handle 3 is linearly with handle bar 6, can be contained in scrubbing brush this moment and inhale between tool and the main body machine, as the suction pipe utilization, then wholely constitutes the dust catcher with lengthening suction pipe function; Position, control angle locking device 4 on the handle set 18 is to be made of toggle 11, toggle seat 12, slide block fixed screw 13, lock-bit slide block 14.Lock-bit slide block 14 is assemblied on the directive slide track in the toggle seat 12, and is connected with the guide pillar of screw 13 with the toggle 11 that passes toggle seat 12 leading holes; Lock-bit slide block 14 front ends are connected in by spring 20 on the spring deck of toggle seat 12, are shaped on groove 15 in lock-bit slide block 14 rear ends, are that the location convex tendon 16 or 19 on equipped and the handle 3 is chimeric, with the angle or be in line of turning round of lock operation fork-shaped machine bar.

When handle 3 during along rod axis Rotate 180 °, acute angle appears in the corresponding combination of the dihedral of both angled end-faces, formed handle 3 and handle bar 6 between the bent angle of connection place, handle bar 6 is not done the suction pipe utilization at this moment, and become the operation of bent angle hand lever is arranged, this kind connecting mode, formation has increased dust catcher action bars function, has gone to finish dust suction is carried out in turning, the inaccessible place of straight-bar, nook, corner.

The outside that connects angled end-face at handle 3 is upper and lower, and a location convex tendon 16 and 19 is respectively arranged, and when the locking device 4 lock in place convex tendons 16 of control position, angle, handle 3 is the angle of turning round with handle bar 6 and connects; When the locking device 4 lock in place convex tendons 19 of control position, angle, handle linearly connects with handle bar 6.

Handle 3 spiral-locks are on handle set 18, termination, the inclined-plane endoporus of handle 3 is shaped on the multi-disc pawl and colludes 17 along the limit, it is filled in the interior collar extension that embeds handle set 18 inclined-planes, interlock with it and carry out the turnable connection, promptly the pawl of handle 3 ends colludes 17 and can do circumferential rotation in the collar extension in handle set 18.

Position, control angle locking device 4 on the handle set 18 is to be made of toggle 11, toggle seat 12, slide block fixed screw 13, lock-bit slide block 14.Lock-bit slide block 14 is assemblied on the directive slide track in the toggle seat 12, and is connected with the guide pillar of screw 13 with the toggle 11 that passes toggle seat 12 leading holes; Lock-bit slide block 14 front ends are connected in by spring 20 on the spring deck of toggle seat 12, can be chimeric in lock-bit slide block 14 rear ends with the location convex tendon 16 or 19 on the handle 3 by groove 15, and with the angle of turning round of lock operation fork-shaped machine bar.

Therefore, the dust catcher effect and the form of above-mentioned two kinds of functions utilization, the connecting mode at convertible fork-shaped machine bar two ends is realized.

The utility model advantage compared with prior art is, inboard two projections lock, embedding are buckled in the blind hole of main body machine both sides on the long tooth of Y shape fork part owing to be provided with, telescopic pipet cooperates the port of the main body machine of packing into or upset main body machine to put upside down its link, cooperates to be loaded in the end fore shaft hole, end; Reach with three-point fix, it is with being intended to ensure that Y shape fork part connects in the firm embedding of main body machine, makes its connection reliable and stable.Constitute the machine bar by tubular handle bar and handle two parts, binding site is to match with the inclined-plane therebetween, and the pawl by the handle front end colludes, with the interior collar extension on the handle set splay end anchor ring, cooperate to embed to interlock, and location convex tendon on the handle or location convex tendon, cooperate by the groove confined planes with the rear end of controlling the lock-bit slide block on the angle lock device, connect reliably, make the machine bar of dust catcher turn round angle or straight line, be because of environment change different; To indoor corner, the corner or spot as yet untouched by a clean-up campaign, nook that needs dust suction of household, all can carry out dust suction, thus easy to operate, reach comprehensive exhaustion.

Description of drawings

Fig. 1 is the whole front elevational schematic of the utility model fork-shaped machine bar whirligig.

Fig. 2 is the cutaway view that the right side of Fig. 1 is looked.

Fig. 3 is that Y shape fork part of the present utility model cooperates installation diagram with the main body machine.

Fig. 4 is the profile schematic diagram of Fig. 3.

Connection diagram when Fig. 5 is the turning for handle of the present utility model and tubular handle bar.

Fig. 6 is that the groove behind the lock-bit slide block faces the cutaway view that is positioned at convex tendon 16 places

Fig. 7 is that the groove behind the lock-bit slide block connects cutaway view with convex tendon 16 snap closes.

Fig. 8 is handle of the present utility model and tubular handle bar straight line connection diagram.

(8A, 8B) is that the groove behind the lock-bit slide block faces and is positioned at convex tendon 19 and the intact cutaway view of snap close.

Fig. 9 hands lever operated state diagram when being the turning for handle of the present utility model and tubular handle bar.

Figure 10 is that scrubbing brush suction tool is contained in before the main body machine schematic diagram of fork-shaped whirligig after it.

Figure 11 is that the fork-shaped whirligig is contained in the schematic diagram of scrubbing brush when inhaling between tool and the main body machine.

Among the figure: handle 11. toggles 12. toggle seats 13. spiral shells 14. lock-bit slide blocks 15. grooves 16. convex tendons 17. pawls on 1.Y shape fork part 2. suction pipe locks 3. handles 4. control position, angle locking device 5. projection pins 6, the tubular handle bar 7. telescopic pipets 8. blind holes 9. main body machines 10. main body machines collude 18. handle sets, 19. convex tendons, 20. springs

The specific embodiment

The utility model will be further described below in conjunction with accompanying drawing

Referring to Fig. 1,2 the utility model is a kind of multifunctional dust vacuum cleaner, include scrubbing brush and inhale tool, main body machine, hollow machine bar, fork-shaped revolves machine bar rotary device: be by Y shape fork part 1, projection pin 5, telescopic pipet 7, suction pipe lock 2, constituted the assembly that connects with main body machine 9 of front end.The other end is made of by handle set 18, control position, angle locking device 4 and handle 3 connections handle bar 6.Handle set 18 is installed in the lower port of handle bar 6, and control position, angle locking device 4 is arranged on the handle set 18.In the long tooth ends inboard of Y shape fork part 1, being provided with projection pin 5 is to match with two blind holes 8 in the outside, main body of dust collector machine 9 middle parts.Telescopic pipet 7 is installed in handle bar 6 pipes of hollow, and by means of dial referring under the suction pipe lock 2, ring in spring in its pipe of packing into being slided promote impels telescopic pipet 7 to stretch out outside the recess in the middle of 1 liang long bottom angle of Y shape fork part; When the suction pipe lock 2 that down pulls out with hand on the pressure handle bar 6, lock 2 promotes telescopic pipets 7 and shrinks in handle bars 6 pipes, has compressed the spring in the pipe simultaneously.When hand left suction pipe lock 2, under the spring force effect of telescopic pipet 7 this moment in pipe, suction pipe exposed outside handle bar 6 pipes.

Be telescopic pipet 7 among Fig. 3 with the dust catcher suction port on time figure, Fig. 4 is the profile schematic diagram of Fig. 3; Telescopic pipet 7 can be respectively matches with the dust suction port or the end fore shaft hole, end of main body machine 9, on the Y shape fork part 1 long tooth proximal head inboard, each makes a projection pin 5, in the diameter maximum outside, main body machine 9 middle part, two blind holes 8 of processing embed projection pin 5 in two blind holes 8; It is that axial line carries out front and back upsets that main body 9 connects dotted line with this, if select for use telescopic pipet 7 with the docking of dust suction port, just or match with the butt joint in end fore shaft hole, main body 9 end can.The projection pin 5 on above-mentioned any type of butt joint and the Y shape fork part 1 and the grafting of two blind holes 8 in the outside, main body machine 9 middle parts have all ensured the steadiness of dust catcher in manipulating.

Fig. 5,6,7, the fork-shaped machine bar that multifunctional dust vacuum cleaner is provided with, its other end is made of handle bar 6, handle set 18, handle 3, control position, angle locking device 4.Handle set 18 is to be sleeved on handle bar 6 terminations and for the barrel-shaped interior collar extension of splay end anchor ring that has, control position, angle locking device 4 to be housed on it.Connecting end at handle 3 is the upper and lower outside of splay end anchor ring, is shaped on two location convex tendons 16 and 19, and is symmetrically distributed along axial line.The endoporus at the angled end-face place of handle 3, be shaped on six plastics pawls along the limit and collude 17, interlocking with collar extension in the handle set 18 splay end anchor rings connects, and handle 3 can rotate along self axial line.Position, control angle locking device 4 on handle set 18 is by pulling out button 11, pulling out button seat 12, slide block fixedly Luo silk 13, lock-bit slide block 14 formations.Lock-bit slide block 14 is fitted on the directive slide track that pulls out in the button seat 12, and with Luo silk 13 with pass the guide pillar that pulls out button 11 that pulls out button seat leading hole and be connected; Lock-bit slide block 14 front ends are connected in by spring 20 on the spring deck that pulls out button seat 12, lock-bit slide block 14 rear ends fluted 15.

When hand operated is left when stirring button 11, toward moving right, the groove 15 of the other end is chimeric with the location convex tendon 16 of termination, handle 3 inclined-plane under the effect of compression spring 20 for lock-bit slide block 14, and handle 3 is bent angle connection locking states with handle bar 6.

In Fig. 8 A, 8B, be handle of the present utility model and tubular handle bar straight line connection diagram.Be that groove behind the lock-bit slide block faces and is positioned at convex tendon 19 and the intact cutaway view of snap close.

When pulling out button 11 with hand-lifting is moving, lock-bit slide block 14 is thereupon toward moving left compression spring 20; Other end groove 15 separates with the location convex tendon 16 of termination, handle 3 inclined-plane, belongs to unlocking condition, makes handle 3 make Rotate 180 ° around own axial line, changes to groove 15 and location convex tendon 16 matching relationships.Making it to cooperate the end inclined-plane of handle 3 and the end inclined-plane of handle set 18 with convex tendon 19 embeddings is complementary kissing combination, both tangent complementations of end bevel angle, handle 3 is linearly with handle bar 6, and groove 15 has locked the form of the location convex tendon 19 on the handle 3, and use as suction pipe this moment.

As shown in Figure 9, fork-shaped revolves in the machine bar rotary device, handle bar 6 connects by handle set 18 and handle 3, when being additive combination at its end face oblique angle, having formed handle 3 and has been the bent angle formula with handle bar 6 and connects, this moment, handle 3 was not done the suction pipe utilization, formed the hand action bars, with projection pin 5 and the telescopic pipet 7 on the Y shape fork part 1, the main body machine 9 that scrubbing brush suction tool is housed with its front end connects, just becoming can be to corner, corner or spot as yet untouched by a clean-up campaign, nook etc., the multifunctional dust vacuum cleaner that all can carry out dust suction.

As shown in figure 10, the telescopic pipet 7 of fork-shaped machine lever apparatus is matched with the dust suction port holes of main body machine 9; Handle 3 is a linear with the connecting mode of handle bar 6, and the dust catcher of this moment is exactly one and has the dust catcher that adds long handle bar type.

As shown in figure 11, when the telescopic pipet 7 of fork-shaped whirligig is matched with the dust suction port of main body machine 9, handle bar 6 is that orthoscopic connects by the handle set 18 and the connecting mode of handle 3, the supporting scrubbing brush of going up of handle 3 ports is inhaled tool, handle 10 on the hand-held main body machine 9, the dust catcher of this moment is exactly one and has the dust catcher that adds long handle bar type.

Therefore, by the connecting mode at conversion fork-shaped machine bar two ends, can realize the dust catcher combination form of different functions.It can be to locating to carry out hygienic cleaning work in sofa, the automobile etc.Multifunctional dust vacuum cleaner of the present utility model is manipulated advantage easily, novel structure.

Claims

1, a kind of multifunctional dust vacuum cleaner includes scrubbing brush and inhales tool, main body machine, and the hollow machine bar is formed, and it is characterized in that: be shaped on two blind holes (8) in the outside, main body machine (9) middle part; The hollow machine bar is a fork-shaped machine bar whirligig, this device comprise by tubular handle bar (6) by handle set (18), the connection of control position, angle locking device (4) and handle (3) around axial line rotating mechanism voluntarily; By the upset bindiny mechanism of tubular handle bar (6) by Y shape fork part (1), projection pin (5), suction pipe lock (2), telescopic pipet (7) formation and main body machine (9); Wherein:

A, rotating mechanism set about handle seat (18) by being with tubular handle (3) to connect formation by handle set (18) and tubular handle bar (6) at handle bar (6) front end suit, are the interior collar extensions that has the splay end anchor ring at the front end of handle set (18); And have the handle (3) of oblique anchor ring, and be shaped on the excurve pawl along the limit at its termination endoporus and collude (17), between connecting, tubular handle (3) and tubular handle bar (6) cooperate with the inclined-plane, and its oblique angle equates; And with pawl collude (17) embed in collar extension connections that interlock, this oblique angle can correspondingly connect, or reverses 180 ° and do complementary connection; Wherein handle (3) is in the upper and lower outside of this splay end anchor ring, and each makes a location convex tendon (16) and (19); Above handle set (18) links the end outside control position, angle locking device (4) is housed, this device (4) is to be made of toggle (11), toggle seat (1 2), slide block fixed screw (13), lock-bit slide block (14), spring (20); Lock-bit slide block (14) is fitted on the interior directive slide track of toggle seat (12), and is connected with the guide pillar of screw (13) with the toggle (11) that passes toggle seat (12) leading hole; Lock-bit slide block (14) front end is connected on the spring deck of toggle seat (12) by spring (20); The rear end of lock-bit slide block (14) is shaped on groove (15), by spring (20) start in lock-bit slide block (14), the groove (15) that drives its rear end moves forward and backward, go to again with circumferential rotatable, handle (3) on location convex tendon (16) or locate cooperating or disengaging of convex tendon (19);

Upset coupling mechanism in B, the fork-shaped machine bar whirligig is the member that Y shape fork part (1), tubular handle bar (6) connect main body machine (9), and it is by Y shape fork part (1), suction pipe lock (2), projection pin (5), telescopic pipet (7) formation; Pitch the long tooth close end inboard of part (1), respectively be shaped on projection pin (5) Y shape, match with two blind holes (8) in the outside, main body of dust collector machine (9) middle part; Fasten the straight line that is connected to as the trip shaft center line with its both sides projection pins (5) and blind hole (8), make main body machine (9) do forward and backward upset around it; Slide guide one end of telescopic pipet (7) is installed in the pipe of tubular handle bar (6), the other end is to cooperate with main body machine 9 parts, dial to move and be arranged on the outer suction pipe lock (2) of its pipe, connected card by it and referred to that the telescopic spring that promotes to be contained in the pipe slides, in order to ring in the start, stir telescopic pipet (7) again and move, then impel it to cooperate with its end location, end fore shaft hole embedding again after with main body machine (9) upset with the dust catcher port of main body machine (9) or with the trip shaft center line.

2, multifunctional dust vacuum cleaner according to claim 1, it is characterized in that when the relative complementation with handle (3) oblique angle face of tubular handle bar (6) connects, convex tendon (19) on groove (15) and the handle (3) embeds and cooperates, then be a linear structure, constituting fork-shaped machine bar whirligig is the structural form of dust catcher extension bar.

3, multifunctional dust vacuum cleaner according to claim 1, when it is characterized in that the corresponding connection of oblique angle face when tubular handle bar (6) and handle (3), convex tendon (16) on groove (15) and the handle (3) embeds to cooperate and constitutes bent angle between the two, then is with tubular handle (3) and tubular handle bar (6) formation bent angle formula operating structure.

4, multifunctional dust vacuum cleaner according to claim 1, it is characterized in that projection pin (5) and two blind holes (8) in the outside, main body of dust collector machine (9) middle part are interlocked, and be with tubular handle (3) and tubular handle bar (6) to constitute bent angle or on same straight line as the handle bar, telescopic pipet this moment (7) can embed cooperation mutually with the fore shaft hole, end location, end of main body machine (9)

5, multifunctional dust vacuum cleaner according to claim 1, it is characterized in that when tubular handle bar (6) and handle (3) in line or when being bent angle, forked type spare whirligig is contained in main body machine (9) and scrubbing brush is inhaled between the tool, operating grip is the handle (10) on the main body machine (9), and this device constitutes the part of dust catcher extension bar.