CN108158496A

CN108158496A - Dust catcher

Info

Publication number: CN108158496A
Application number: CN201711409507.2A
Authority: CN
Inventors: 卞小贤; 张建良; 聂文明
Original assignee: Suzhou Cleva Electric Appliance Co Ltd
Current assignee: Suzhou Cleva Electric Appliance Co Ltd
Priority date: 2017-03-31
Filing date: 2017-12-22
Publication date: 2018-06-15
Anticipated expiration: 2037-12-22
Also published as: CN208144964U; CN108158499A; CN108158496B; CN208693167U; CN208144967U; CN208693161U; CN208510942U; CN108125613A; CN108158497B; CN107997680B; CN208510939U; CN107928549B; CN108158488B; CN108158488A; CN208510940U; CN108158497A; CN107928549A; CN108158499B; CN107997680A; CN108158498B

Abstract

Present invention is disclosed a kind of dust catchers, including agent structure, the air inlet to connect with the inner cavity of the agent structure, the upper bar assembly upwardly extended from the agent structure along longitudinal axis, it is characterized in that, the upper bar assembly includes third upper boom, the second upper boom telescopically being connect with the third upper boom and the first upper boom telescopically being connect with second upper boom, the first locking structure is equipped between the third upper boom and the second upper boom, the second locking structure is equipped between second upper boom and the first upper boom, when first locking structure leaves the second locking structure, second locking structure is by rod lock on described second, when the third upper boom is collapsible into the second upper boom so that first locking structure and the second locking structure abut against, second locking structure is promoted to discharge second upper boom.The dust catcher scope of application is wider, and occupied space is smaller during storage, and is conveniently operated.

Description

Dust catcher

Technical field

The present invention relates to a kind of dust catchers.

Background technology

As the improvement of people's living standards, the dust catcher of household is widely used.Dust catcher is to utilize motor air draught, Air negative pressure is formed in the housing of sealing, and then sucks the electric appliance of dust or rubbish.Dust catcher generally include handle, connecting rod, Main part and be connected to the work head of main part, connecting rod be set on grown between handle and main part with lengthening the operation of dust catcher Degree improves the operating comfort of operator.But when not using dust catcher and need storage, the longer occupied space of dust catcher It is larger, it is stored inconveniently.In addition, the limited length due to connecting rod so that dust catcher can not draw the dust of higher height, to The dust of higher height can be drawn by realizing, just must other adjunction extension bar.Therefore, the narrow scope of application of dust catcher at present.

All it is that motor, cooling air-flow after cooling is again by motor periphery to cooling air-flow in addition, at present in dust catcher Lead to battery pack, to be cooled down to battery pack, be arranged so that cooling effect is poor, cause the service life of dust catcher compared with It is short.

Invention content

The purpose of the present invention is to provide a kind of dust catchers, and the dust catcher scope of application is wider, occupied space during storage It is smaller, and be conveniently operated.

One of for achieving the above object, an embodiment of the present invention provides a kind of dust catcher, and the dust catcher includes Agent structure, the air inlet to connect with the inner cavity of the agent structure are upwardly extended from the agent structure along longitudinal axis Upper bar assembly, which is characterized in that the upper bar assembly includes third upper boom, telescopically connect with the third upper boom the Two upper booms and the first upper boom telescopically being connect with second upper boom are equipped with the between the third upper boom and the second upper boom One locking structure is equipped with the second locking structure, when first locking structure leaves between second upper boom and the first upper boom During the second locking structure, second locking structure is by rod lock on described second, when the third upper boom is collapsible on second When in bar so that first locking structure and the second locking structure abut against, promote second locking structure by described second Upper boom discharges.

As being further improved for an embodiment of the present invention, first locking structure includes the first vertical sliding block, opposite It can be movably arranged in the first locking pin of the third upper boom on longitudinal axis direction without relative displacement and operatively described In third upper boom and the control-rod matched with the described first vertical sliding block, second upper boom, which is equipped with, to match with the first locking pin Locking hole under locking hole and the second upper boom on the second upper boom for connecing or disengaging, when pushing the control-rod along longitudinal axis direction When, the control-rod causes the first vertical sliding block sliding, so as to promote the first locking pin from locking hole on second upper boom or Under second upper boom the interface sites of locking hole be slid onto under locking hole on second upper boom or the second upper boom locking hole it is de- Open position.

As being further improved for an embodiment of the present invention, first locking structure is further included set on third upper boom First pedestal and the first cross slider that can be set on to horizontal sliding first pedestal, first locking pin are fixed at first Cross slider pushes the control-rod so that the first vertical sliding block is slided relative to first pedestal along the longitudinal axis direction Move, so as to promote the first cross slider drive the first locking pin from locking hole under locking hole on second upper boom or the second upper boom Interface sites be slid onto disengaged position with locking hole under locking hole on second upper boom or the second upper boom.

As being further improved for an embodiment of the present invention, the lower end of the control-rod is equipped with and the described first vertical sliding block The press part (214) abutted against, the upper end of the control-rod are equipped with adjusting key, and the adjusting key is movably set in the handle (10) so that operator operates.

As being further improved for an embodiment of the present invention, first locking structure, which further includes, promotes the first locking pin The first outer spring of mating is kept with locking hole under locking hole on the second upper boom or the second upper boom.

As being further improved for an embodiment of the present invention, the first outer spring is compression spring, the one of first outer spring End leans with first cross slider, and the other end of first outer spring leans with first pedestal.

As being further improved for an embodiment of the present invention, the first vertical sliding block have upper mating surface, described first Cross slider has the lower mating surface with the upper mating surface mating, and the upper mating surface and longitudinally are at an acute angle, match under described Conjunction face and the first cross slider institute glide direction are at an acute angle.

As being further improved for an embodiment of the present invention, the first vertical sliding block include the first vertical sliding block left side wall, The first vertical sliding block right side wall spaced apart with the described first vertical sliding block left side wall and connect the first vertical sliding block left side wall and First vertical sliding block end wall of the first vertical sliding block right side wall, the upper mating surface include matching set on the upper left of the first vertical sliding block left side wall Conjunction face and the upper right mating surface set on the first vertical sliding block right side wall, the first vertical sliding block end wall and the control-rod are matched.

As being further improved for an embodiment of the present invention, first cross slider includes the first main part, described in The first left side that first main part extends outward is convex and the first right side is convex, and first locking pin is set on first main body Portion, it is convex upper and with the lower-left mating surface of upper left mating surface mating and set on that the lower mating surface includes being set on the first left side The convex bottom right mating surface above and with the upper right mating surface being coupled in one right side.

As being further improved for an embodiment of the present invention, first main part include the first left side, with it is described The first right side and the first end of connection first left side and the first right side that first left side is spaced in intervals Portion, first locking pin are set on the first end.

As being further improved for an embodiment of the present invention, the first pedestal has to house first cross slider The horizontal chamber of first pedestal and indulge chamber, the extending direction of the horizontal chamber of the first pedestal for housing the first pedestal of the described first vertical sliding block It is substantially vertical with the extending direction that first pedestal indulges chamber, and the horizontal chamber of the first pedestal indulges chamber with the first pedestal and connects.

As being further improved for an embodiment of the present invention, first locking structure further includes the first cutting ferrule, described Third upper boom is equipped with the first mounting hole, and first pedestal has the corresponding with first position of mounting hole first installation Cao, first cutting ferrule have the first outer part for being sheathed on the third upper boom periphery and extend internally from the first outer part First lug boss, first lug boss and first mounting hole and the first installation Cao are matched, by described first Pedestal is fixed on the third upper boom.

As being further improved for an embodiment of the present invention, second upper boom is equipped with the second upper boom end cap, described Second upper boom end cap is abutted against with the third upper boom or the first locking structure, to prevent the third upper boom from described second It is extracted in bar.

As being further improved for an embodiment of the present invention, second locking structure includes being fixed at the second upper boom The second pedestal, can horizontal sliding be set on the second pedestal the second cross slider and be fixed at the second cross slider second locking Pin, with the second matched vertical sliding block of the second cross slider, first upper boom be equipped with can with second locking pin be coupled or Locking hole on the first upper boom disengaged, first pedestal abut against with the described second vertical sliding block and promote the described second vertical sliding block Relative to the second pedestal straight skidding so that second cross slider drive the second locking pin from on described first The interface sites of locking hole are slid onto the disengaged position with locking hole on first upper boom on bar.

As being further improved for an embodiment of the present invention, second locking structure, which further includes, promotes the second locking pin The second outer spring of mating is kept with locking hole on the first upper boom.

As being further improved for an embodiment of the present invention, locking under the first upper boom is additionally provided on first upper boom Hole, second locking structure further include the axis pin that can be set to horizontal sliding relative to the second pedestal, and the axis pin may be selected Ground and locking hole mating or disengagement under first upper boom, the second locking structure, which further includes, to be promoted on the axis pin and described first Locking hole keeps the inner spring of mating under bar.

As being further improved for an embodiment of the present invention, the coefficient of elasticity of the inner spring is less than the described second outer bullet The coefficient of elasticity of spring, and the original of the inner spring is failed to grow up in the original length of second outer spring.

As being further improved for an embodiment of the present invention, when first upper boom continues to drive the first locking knot Structure is moved down into certain position along longitudinally, the first base push the second vertical sliding block relative to second pedestal to Lower movement, so as to which the described second vertical sliding block promotes second cross slider to drive the second locking pin transverse shifting, so that institute Locking hole on the second locking pin and the first upper boom is stated to disengage.

As being further improved for an embodiment of the present invention, the structure of the second vertical sliding block and the described first vertical sliding block It is identical, and second cross slider is identical with the structure of first cross slider.

Compared with prior art, the beneficial effects of the present invention are：The technical solution adopted in the present invention, third upper boom, It is telescopically connected respectively between second upper boom and the first upper boom, and when first locking structure leaves the second locking structure When, second locking structure is by rod lock on described second, when the third upper boom is collapsible into the second upper boom so that described When first locking structure and the second locking structure abut against, second locking structure is promoted to discharge second upper boom.From And it can need for dust catcher to be converted in different states according to different so that the dust catcher scope of application is wider, and stores when institute Occupied space is smaller.And locking structure is conveniently operated so that the transformation between the dust catcher different conditions is more convenient.

Description of the drawings

Fig. 1 is the front view that dust catcher is in the first working condition in first preferred embodiment of the invention, at this time in third Bar and the second upper boom are unfolded；

Fig. 2 is the sectional view that dust catcher is in the first working condition in first preferred embodiment of the invention, at this time in third Bar and the second upper boom are unfolded；

Fig. 3 is the sectional view that dust catcher is in the 8th working condition in first preferred embodiment of the invention, at this time in third Bar and the second upper boom are retracted, and lower bar assembly is also at return state；

Fig. 4 is the structure enlargement diagram in F1 regions in Fig. 2；

Fig. 5 is the stereoscopic schematic diagram of the end of dust catcher in Fig. 1；

Fig. 6 is the stereoscopic schematic diagram of the handle of dust catcher in Fig. 1；

Fig. 7 is the stereoscopic schematic diagram when end of dust catcher is abutted against with handle in Fig. 1；

Fig. 8 is the stereoscopic schematic diagram of the agent structure of dust catcher in Fig. 1；

Fig. 9 is the perspective exploded view of dust catcher in Fig. 1；

Figure 10 is the stereoscopic schematic diagram of the second connecting tube of dust catcher in Fig. 1；

Figure 11 is the sectional view at the lower beam of dust catcher in Fig. 1, the second connecting tube and Telescopic wind deferent；

Figure 12 is the stereoscopic schematic diagram of the lower beam of dust catcher in Fig. 1；

Figure 13 is the structure enlargement diagram in F2 regions in Figure 12；

Figure 14 is the structure enlargement diagram in F3 regions in Figure 12；

Figure 15 is the stereoscopic schematic diagram of the motor cabinet of dust catcher and battery holder apparatus in Fig. 1.

Figure 16 is the structure enlargement diagram in F4 regions in Figure 15；

Figure 17 is the structure enlargement diagram in F5 regions in Figure 15；

Figure 18 is the stereoscopic schematic diagram at the lower beam of dust catcher, connecting pipe component and motor cabinet in Fig. 1, and lower beam is at this time Extended configuration, and lower beam is removed, remain the flexible clamp piece being synchronized with the movement with lower beam；

Figure 19 is the stereoscopic schematic diagram at the lower beam of dust catcher, connecting pipe component and motor cabinet in Fig. 1, and lower beam is at this time Return state, and lower beam is removed, remain the flexible clamp piece being synchronized with the movement with lower beam；

Figure 20 is the stereoscopic schematic diagram of the motor cabinet of dust catcher in Fig. 1；

Figure 21 is the other direction stereoscopic schematic diagram of the motor cabinet of dust catcher in Fig. 1；

Figure 22 is the vertical view of the motor cabinet of dust catcher in Fig. 1；

Figure 23 is the stereoscopic schematic diagram of the battery holder apparatus of dust catcher in Fig. 1；

Figure 24 is the stereoscopic schematic diagram of the whirlwind air duct part of dust catcher in Fig. 1；

Figure 25 is the first upper boom of dust catcher in Fig. 1 and the first scheme of installation of housing；

Figure 26 is the structure enlargement diagram in F6 regions in Figure 25；

Figure 27 is the first upper boom of dust catcher in Fig. 1 and the second scheme of installation of housing；

Figure 28 is the structure enlargement diagram in F7 regions in Figure 27；

Figure 29 is the enlarged cross-sectional view of pipe sleeve in Figure 25；

Figure 30 is the first upper boom of dust catcher in Fig. 1 and the third scheme of installation of housing；

Figure 31 is the structure enlargement diagram in F8 regions in Figure 30；

Figure 32 is the second upper boom of dust catcher in Fig. 1 and the first scheme of installation of the first upper boom；

Figure 33 is the second upper boom of dust catcher in Fig. 1 and the second scheme of installation of the first upper boom；

Figure 34 is the structure enlargement diagram in F9 regions in Figure 33；

Figure 35 is the schematic diagram of the upper bar assembly of dust catcher in Fig. 1, and upper bar assembly is in fully unfolded position at this time；

Figure 36 is the enlarged diagram in F10 regions in Figure 35, is locked between the second upper boom and third upper boom at this time；

Figure 37 is the enlarged diagram in F10 regions in Figure 35, the press part of control-rod pushing at this time, on the second upper boom and third It is unlocked between bar；

Figure 38 is the structure diagram of the first locking structure of upper bar assembly in Figure 35；

Figure 39 is the first vertical sliding block of the first locking structure in Figure 38 and the structure diagram of the first cross slider；

Figure 40 is the stereoscopic schematic diagram of handle in Fig. 1, adjusting key and power switch；

Figure 41 is the sectional view of handle in Figure 40, adjusting key and power switch；

Figure 42 is the enlarged diagram in F11 regions in Figure 35；

Figure 43 is the part-structure schematic diagram of the second locking structure in Figure 38, removes the second pedestal at this time；

Figure 44 is the part isometric structure diagram of the second locking structure in Figure 38, removes the second pedestal and second at this time and indulges Sliding block；

Figure 45 is the schematic diagram of the upper bar assembly of dust catcher in Fig. 1, and upper bar assembly is in half unfolded state, i.e. third at this time Upper boom is retracted, and the second upper boom is unfolded；

Figure 46 is the enlarged diagram in F12 regions in Figure 45, is locked between the first upper boom and the second upper boom at this time；

Figure 47 is the enlarged diagram in F12 regions in Figure 45, unlocked between the first upper boom and the second upper boom at this time；

Figure 48 is the schematic diagram of the upper bar assembly of dust catcher in Fig. 1, and upper bar assembly is in fully collapsed condition at this time, i.e., the Three upper booms and the second upper boom are retracted；

Figure 49 is the enlarged diagram in F13 regions in Figure 48, between the first upper boom, the second upper boom and third upper boom not at this time Locking；

Figure 50 is the enlarged diagram in F13 regions in Figure 48, is locked between the first upper boom, the second upper boom and third upper boom at this time It is fixed；

Figure 51 is the schematic diagram of cable drawoff structure in the first preferred embodiment of the invention, and third upper boom is received at this time Contracting；

Figure 52 is the schematic diagram of cable drawoff structure in the first preferred embodiment of the invention, and third upper boom is opened up at this time It opens；

Figure 53 is the structure diagram of the first pulley component of cable drawoff structure in Figure 51；

Figure 54 is the structure diagram of the second pulley component of cable drawoff structure in Figure 51；

Figure 55 is the sectional view of cable drawoff structure in the second preferred embodiment of the invention, and third upper boom is received at this time Contracting；

Figure 56 is the enlarged diagram in F14 regions in Figure 55；

Figure 57 is the enlarged diagram in F15 regions in Figure 55.

Specific embodiment

Below with reference to specific embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously The present invention is not limited, structure that those of ordinary skill in the art are made according to these embodiments, method or functionally Transformation is all contained in protection scope of the present invention.

As shown in Figure 1 to Figure 3, specific embodiments of the present invention provide a kind of dust catcher, including handle 10, upper bar assembly 12nd, agent structure 14, lower bar assembly 15, the connecting pipe component 18 in lower bar assembly 15, be connected with lower bar assembly 15 Work head assembly 20.In addition, dust catcher is equipped with the air inlet to connect with the inner cavity of agent structure 14.Wherein, upper bar assembly 12 One end be connected with agent structure 14, the other end of upper bar assembly 12 is connected with handle 10.Upper bar assembly 12 is located at main body The side of structure 14, lower bar assembly 15 are located at the opposite side opposite with upper bar assembly 12 of agent structure 14, and upper bar assembly 12 is autonomous Body structure 14 extends upward, and lower 15 autonomous agent structure 14 of bar assembly extends downwards, and the extending direction of upper bar assembly 12 is parallel In the extending direction of lower bar assembly 15.

Upper bar assembly 12 includes being connected to the first upper boom 22 of agent structure 14, is telescopically connect with the first upper boom 22 Second upper boom 24, the third upper boom 26 telescopically being connect with the second upper boom 24, handle 10 are fixed at third upper boom 26.When So, can also be as needed, the first upper boom 22 and the second upper boom 24 are only set, and are not provided with third upper boom 26, at this time handle 10 Set on the second upper boom 24.Equally, can also be as needed, the upper boom of setting three or more.

1. lower bar assembly 15 includes being connected to the lower beam 16 of agent structure 14 and is fixedly connected on the second connection of lower beam 16 Pipe 56.Work head assembly 20 is removably attachable to the second connecting tube 56.

The connecting pin 28 and the free end 30 opposite with connecting pin 28 that handle 10 has with third upper boom 26 is connected, lower beam One end connection connecting pipe component 18 of component 15, the other end of lower bar assembly 15 are equipped with end 59.Lower bar assembly 15 is relative to master The housing 32 of body structure 14 can operatively be slid, lower bar assembly 15 have extended configuration and return state, from extended configuration to In the conversion process of return state, lower bar assembly 15 relative to housing 32 upwards slide, so as to drive work head assembly 20 to by Gradually moved close to the direction of housing 32.Referring to Fig. 2, during extended configuration, lower bar assembly 15 is slid to bottom, end 59 with it is main The extrados of body structure 14 fits.Referring to Fig. 3, bar assembly 15 is in return state instantly, that is, is slid to the top During position, end 59 is far from agent structure 14.Certainly, lower bar assembly 15 can also be fixedly installed in agent structure 14.Also It is that the position of lower bar assembly 15 is unadjustable.

The upper bar assembly 12 of dust catcher has the first unfolded state, the second unfolded state, third unfolded state and contraction-like State.Wherein, during the first unfolded state, third upper boom 26 is stretched out from the second upper boom 24 completely to be come, and the second upper boom 24 is complete It stretches out and from the first upper boom 22 entirely.At this point, the operable height highest of dust catcher.

In addition, the operable height of dust catcher can be turned down, specifically, will according to user's required operation height Third upper boom 26 collapses into the second upper boom 24, and the second upper boom 24 is not retracted into the first upper boom 22, that is, the second upper boom 24 It is still extended out, the upper bar assembly 12 of dust catcher is in the second unfolded state at this time.Certainly, the second upper boom 24 can also be collapsed into First upper boom 22, and third upper boom 26 is not retracted and is still extended out into the second upper boom 24, that is, third upper boom 26, inhales at this time The upper bar assembly 12 of dirt device is in third unfolded state.

Correspondingly, dust catcher has eight working conditions, wherein during the first working condition, lower bar assembly 15 is in stretch-like State, upper bar assembly 12 is in the first unfolded state, referring specifically to Fig. 1 and Fig. 2；During the second working condition, lower bar assembly 15 is in Extended configuration, upper bar assembly 12 are in the second unfolded state；During third working condition, lower bar assembly 15 is in extended configuration, on Bar assembly 12 is in third unfolded state；During four working conditions, lower bar assembly 15 is in extended configuration, and upper bar assembly 12 is in Contraction state；That is, during first to fourth working condition, lower bar assembly 15 is in extended configuration, and upper bar assembly 12 In different states.And the 5th to eight working conditions when, lower bar assembly 15 is in return state, and upper bar assembly 12 is in Different states.Specifically, during five working conditions, lower bar assembly 15 is in return state, and upper bar assembly 12 is in the first exhibition Open state；During six working conditions, lower bar assembly 15 is in return state, and upper bar assembly 12 is in the second unfolded state；7th During working condition, lower bar assembly 15 is in return state, and upper bar assembly 12 is in third unfolded state；During eight working conditions, Lower bar assembly 15 is in return state, and upper bar assembly 12 is in contraction state, referring specifically to Fig. 3.

When the upper bar assembly 12 of dust catcher is in contraction state and lower beam 16 slides into the return state of the top, hand The free end 30 of handle 10 is abutted against with lower beam 16, and dust catcher is in the 8th working condition at this time, and dust catcher takes up space most at this time It is small.Specific in the present embodiment, when dust catcher is in first to seven working conditions, the free end 30 of handle 10 is far under Bar 16.Instantly when the position of bar assembly 15 is arranged to unadjustable, the working condition quantity of dust catcher and upper bar assembly 12 are variable The number of states changed is identical, it is, dust catcher is there are four working condition, wherein first to third working condition when, handle 10 free end 30 is far from lower beam 16, and during four working conditions, free end 30 and the lower beam 16 of handle 10 abut against.

With further reference to Fig. 5, Fig. 6 and Fig. 7, when dust catcher is in eight working conditions, the free end 30 of handle 10 with End 59 abuts against.And when dust catcher is in first to seven working conditions, the free end 30 of handle 10 is far from end 59. Specifically, the end face that the free end 30 of the setting inner arc end face of free end 30 31 of handle 10, end 59 and handle 10 abuts against It is set as the outer arcuate end face 61 to match with inner arc end face 31.When dust catcher is in eight working conditions, outer arcuate end Face 61 is located in inner arc end face 31.Certainly, the free end 30 of handle 10 can also set outer arcuate end face, correspondingly, end 59 are set as the inner arc end face to match with above-mentioned outer arcuate end face with the end face that the free end 30 of handle 10 abuts against.

With further reference to Fig. 8, in the present embodiment, the housing of agent structure 14 includes upper shell 31, is connected with upper shell 31 The lower housing 33 that connects, the upper cover 35 being connected above upper shell 31 and with upper shell 31, positioned at 33 lower section of lower housing and with The lower cover 37 that lower housing 33 is connected, upper shell 31 and lower housing 33 is substantially in the column vertically extended, upper covers 35 and lower cover 37 to be hemispherical, and with column smooth connection, upper cover 35, upper shell 31, lower housing 33 and lower cover 37 form glue Cryptomere agent structure.Further, upper cover 35 selects transparent material, and the setting light source in upper cover 35, is not only able to play dress Decorations act on, and the different working condition of dust catcher can also be indicated by different luminances.Upper shell 31 is equipped with to pacify The lower bar assembly mounting portion 39 of bar assembly 15 is loaded, as shown in figure 9, being additionally provided with to install bar assembly 12 on upper shell 31 Upper bar assembly mounting portion 41.Agent structure further includes vacuum generator 34 in upper shell 31 and/or lower housing 33, is set on 34 lower section of vacuum generator and the filter device 36 in housing 32.The inner space of lower housing 33 and lower cover 37 is configured to store up Dirt space.Specifically, lower cover 37 is pivotably connected by pivot and lower housing 33 so that lower cover 37 selectively plays on or off It closes, lower housing 33 is consequently facilitating cleaning is stored in the dust in lower housing 33.

Vacuum generator 34 includes motor cabinet 40, the motor 42 set on motor cabinet 40, and motor 42 has output shaft 44, output Axis 44 is equipped with movable vane wheel 46, when motor 42 starts, 46 rotation of movable vane wheel is driven to form air negative pressure, by work head assembly 20 The wind at place is drawn into housing 32, and then dust or rubbish are drawn into storage dirt cup 38.

Handle 10 has the linkage section 48 being connected with upper bar assembly 12 and the segmental arc 50 being connected with linkage section 48.This In preferred embodiment, on Fig. 1 front views, the center of circle of segmental arc 50 and the center of circle of the upper end of housing 32 define a straight line, should Straight line parallel is in the extending direction of the first upper boom 22.The extension side of the extending direction of the linkage section 48 of handle 10 and the first upper boom 22 To identical.

In addition, the projection of work head assembly 20 and handle 10 in the horizontal plane and the projection of housing 32 in the horizontal plane are at least It partly overlaps, horizontal plane herein is using dust catcher plane residing when in running order as reference.

Fig. 1 shows that dust catcher is in the first working condition, that is, upper bar assembly 12 is in first be fully deployed Unfolded state and lower bar assembly 15 are in extended configuration.Specifically, third upper boom 26 is stretched out from the second upper boom 24 completely Come, the second upper boom 24 is stretched out from the first upper boom 22 completely to be come, and lower beam 16 is slid onto most downwards relative to upper shell 31 Bottom end.In this case, user can be with upright posture, easily gripping handle 10 operates dust catcher.The specific reality Apply in example, work head assembly 20 is ground brush assemblies, specifically include scrubbing brush, round brush, have at round brush scrubbing brush air inlet and with scrubbing brush into The scrubbing brush connecting tube that air port is connected.Certainly, as needed, work head assembly 20 may be set to be other work heads.Separately Outside, further referring to figure 9 and Figure 10, the lower port of the second connecting tube 56 has inclined-plane, and inclined-plane faces away from bar assembly 12 Side, therefore user can selectively remove work head assembly 20, using only 56 lower port 57 of the second connecting tube upwards It reaches ceiling or reaches downwards and cleaning operation is carried out in the slits such as underneath pieces of furniture.Individual flat Suction head component can be saved. Correspondingly, the linkage section 63 of 20 and second connecting tube 56 of work head assembly is also configured as angle.

In addition, handle 10 is equipped with power switch 52, power switch 52 is electrically connected with motor 42, and user can be by operating electricity Source switch 52 carries out starting or stoping for dust catcher.

One end of connecting pipe component 18 is fixedly connected with lower beam 16 close to one end of air inlet, connecting pipe component 18 it is another End is fixedly connected with agent structure 14 and is connected with the cavity fluid of agent structure 14.In addition, one end of the second connecting tube 56 is consolidated Surely lower beam 16 is connected to close to one end of air inlet, and the other end of the second connecting tube 56 connects with air inlet.

Specifically, the other end of connecting pipe component 18 is connected in motor cabinet 40.Specifically, connecting pipe component 18 includes the The Telescopic wind deferent 58 of one connecting tube 54, the first connecting tube 54 of connection and the second connecting tube 56.Wherein the first connecting tube 54 connects In motor cabinet 40, and the first connecting tube 54 and the upstream portion of movable vane wheel 46 in the inner cavity of motor cabinet 40 connect.Telescopic air duct One end of pipe is connected to the first connecting tube, and the other end of Telescopic wind deferent is connected to lower bar assembly close to one end of air inlet.Tool Body, lower beam 16 is hollow structure, and the first connecting tube 54 and Telescopic wind deferent 58 are respectively positioned in lower beam 16.With further reference to Figure 10 And Figure 11, the upper end of the second connecting tube 56 are fixedly connected with Telescopic wind deferent 58, and 56 outside of the second connecting tube is equipped with buckle 65, Lower beam 16 is equipped with groove 67, and buckle 65 is mutually coupled with groove 67, so as to which the second connecting tube 56 be fixedly connected on lower beam 16 Together.The lower end of second connecting tube 56 is connected to work head assembly 20.The end of second connecting tube 56 is additionally provided with fixing pipe 69, Gu Fixed tube 69 is used to fix Telescopic wind deferent 58.

When trail lower bar assembly 15 when, operation lower beam 16 makes it be slid downwards relative to upper shell 31, and lower beam 16 drives Second connecting tube 56 moves down, so as to which the second connecting tube 56 drives work head assembly 20 to slide downwards.Simultaneous retractable wind channel tube 58 are extended on the lengthwise extending direction of lower beam 16, so that work head assembly 20 is moved to the direction for being gradually distance from housing 32 It is dynamic, make dust catcher that there is higher working depth.When to store dust catcher as needed or need shorter working depth, behaviour Making lower beam 16 makes it be slid upwards relative to housing 32, and lower beam 16 drives the second connecting tube 56 to move up at this time, so as to second Connecting tube 56 drives work head assembly 20 to slide upwards.Simultaneous retractable wind channel tube 58 is contracted on the lengthwise extending direction of lower beam 16 It is short, so that work head assembly 20 is moved to the direction for moving closer to housing 32, to reduce working depth or storage dust catcher.

One end of lower beam 16 connects the second connecting tube 56, and the other end of lower beam 16 is equipped with end 59.When lower beam 16 relative to When the sliding downwards of housing 32 makes the work head assembly 20 be in farthest away from the position of housing 32, end 59 adjacent to the upper end of housing 32, And free end 30 of the end 59 far from handle 10.Its medial end portions 59 is arc, arc and housing 32 adjacent to the periphery of housing 32 The outer shape of upper end be adapted.

When dust catcher is converted to the 8th working condition, lower beam 16 slides upwards relative to housing 32, until work head group Part 20 is moved near the position of housing 32, in addition, the second upper boom 24 is retracted in the first upper boom 22,26 quilt of third upper boom Shrink in the second upper boom 24, finally when dust catcher is in eight working conditions, end 59 far from housing 32, while end 59 with The free end 30 of handle 10 abuts against.At this point, the volume of dust catcher is minimum, such state, dust catcher can work, certainly, It can not work and store.The storage volume of the dust catcher becomes very small, is highly convenient for storing.Meanwhile dust catcher can Different operation height is unfolded as needed, the scope of application is wider.

As shown in figure 4, vacuum generator 34 is equipped with main air inlet 60, the first connecting tube 54 is connected with main air inlet 60 It is logical.In this preferred embodiment, clamping structure is used between the first connecting tube 54 and motor cabinet 40, specifically, the first connecting tube 54 Outer convex block 62 is equipped with, motor cabinet 40 is equipped with the groove 64 matched with outer convex block 62.It is of course also possible to by the first connecting tube Groove 64 is set on 54, correspondingly, setting and the matched outer convex block 62 of groove 64 on motor cabinet 40.In addition, motor cabinet 40 wraps Ontology 66 is included, is extended outwardly from ontology 66 and positioned at the periphery of main air inlet 60 equipped with preceding chimb 68, from preceding chimb 68 to close The direction extension of main air inlet 60 is equipped with interior convex block 70, and ontology 66, preceding chimb 68 and the composition of interior convex block 70 are coupled with outer convex block 62 Groove 64.

With further reference to Figure 12 to Figure 19, lower beam 16 can operatively be slided up and down to set on motor cabinet 40.Lower beam 16 Wherein the lengthwise extending direction of one side wall upper edge lower beam 16 is equipped with lengthwise through-hole 72, and the first connecting tube 54 is set in lower beam 16, and First connecting tube 54 extends through through-hole with 40 main air inlet 60 of motor cabinet and is connected with each other.

Lower beam 16 is equipped with the guide groove 74 extended along the lengthwise extending direction of lower beam 16, and motor cabinet 40 is equipped with and guide groove 74 The gib block 76 of mating, so that lower beam 16 is slided up and down along its lengthwise extending direction.Certainly, guide groove 74 can also be set on electricity On engine base 40, correspondingly, gib block 76 is set on lower beam 16.Specifically, compact-sized and simple to make, guide groove 74 is set with through-hole In on the same side wall of lower beam 16.Preferably, it is two that guide groove 74, which is symmetrical arranged, correspondingly, gib block 76 is also configured as two. Guide groove 74 includes left sliding slot 78 and right rail 80, wherein left sliding slot 78 and right rail 80 are symmetrically distributed in the both sides of through-hole.It is left Sliding slot 78 is identical with the structure setting form of right rail 80, to be symmetrical set.It is carried out by taking left sliding slot 78 as an example herein detailed It introduces, left sliding slot 78 includes slot antetheca 82 and the slot rear wall 84 spaced apart of slot antetheca 82, is all connected with slot antetheca 82 and slot The slot outer wall 86 of rear wall 84 and slot inner wall 88, and slot inner wall 88 and slot outer wall 86 are spaced apart, slot antetheca 82 and slot inner wall It is also spaced apart between 88, that is to say, that certain opening, slot inner wall 88 and slot are formed between slot antetheca 82 and slot inner wall 88 The distance being spaced between outer wall 86 is more than the distance being spaced between slot antetheca 82 and slot inner wall 88.Gib block 76 also includes and left cunning The left gib block 90 that slot 78 is coupled and the right gib block 92 being coupled with right rail 80, equally, left gib block 90 and right gib block 92 To be symmetrical set, structure setting form is identical.It is only described in detail by taking left gib block 90 as an example herein, left gib block 90 It is at an angle of including 66 outwardly extending first guide part 94 of ontology from motor cabinet 40 and with the first guide part 94 and is led from first The second guide part 96 extended to portion 94 to the direction far from right gib block 92, wherein, the first guide part 94 is located at slot antetheca 82 In opening between slot inner wall 88, the second guide part 96 is between slot antetheca 82 and slot rear wall 84, and adjacent grooves outer wall 86.

Further, main air inlet 60 is between left gib block 90 and right gib block 92, and the lordosis of main air inlet 60 A determining deviation is respectively provided between side 68 (referring to Fig. 4 and Figure 17) and left gib block 90 and right gib block 92.

In this preferred embodiment, locking structure is additionally provided between lower beam 16 and motor cabinet 40, locking structure is used for lower beam 16 are fixed on extended configuration or return state, and locking structure can be unlocked operatively, to discharge lower beam 16 so that lower beam 16 can What is operated slides relative to motor cabinet 40, is stretched so as to be slid onto return state from extended configuration or be slid onto from return state Exhibition state.Specifically, locking structure includes the flexible clamp piece 98 for being fixed at lower beam 16, set on the left gib block 90 of motor cabinet 40 There are upper left card slot 100 and lower-left card slot 102, flexible clamp piece 98 can operatively be taken off with upper left card slot 100 or lower-left card slot 102 It opens, when flexible clamp piece 98 is released, and slides lower beam 16 when flexible clamp piece 98 reaches and upper left card slot 100 or lower-left card slot During 102 corresponding position, flexible clamp piece 98 is matched under the action of its own elasticity with upper left card slot 100 or lower-left card slot 102 It connects, so as to which lower beam 16 is fixed on return state or extended configuration.To increase stability, correspondingly, also being set on right gib block 92 There are the upper right card slot 104 being coupled with flexible clamp piece 98 or bottom right card slot 106, the position phase of upper right card slot 104 and upper left card slot 100 Corresponding, the position of bottom right card slot 106 and lower-left card slot 102 is to corresponding, and it sets form and upper left card slot 100 and lower-left card slot 102 is identical, is no longer discussed in detail herein.In this preferred embodiment, motor cabinet 40 is provided with upper left card slot 100 and upper right card slot 104th, lower-left card slot 102 and bottom right card slot 106 totally two pairs of card slots, make lower bar assembly 15 that two states be presented.Certainly, it may also set up N is to card slot, and so as to make lower bar assembly 15 that n kind states be presented, n >=3, n are integer herein.

Specifically, flexible clamp piece 98 includes positioned at the flexible clamp piece rear portion 108 of 16 inner circumferential of lower beam, extends lower beam 16 and naked End 112 is coupled in the flexible clamp piece extended for the operation convex block 110 of operation, from the lengthwise through-hole 72 of lower beam 16 that exposes outside, Flexible clamp piece mating end 112 be coupled with upper left card slot 100 and upper right card slot 104 or with lower-left card slot 102 and bottom right card slot 106 Mating.Detailed, the side wall adjacent with setting the side wall of lengthwise through-hole 72 is equipped with lock hole 114 on lower beam 16, operates convex block 110 are coupled with lock hole 114 and extend lock hole 114 so that operator operates.In addition, lock hole 114 is circumferentially with inwardly The limit rib 115 of protrusion, for positioning elastic fastener 98.As shown in figure 18, lower beam 16 is in extended configuration, flexible clamp piece at this time 98 are coupled with lower-left card slot 102 and bottom right card slot 106.In lower beam 16, between the 98 to the second connecting tube of flexible clamp piece 56 Vertical distance is X1, and because flexible clamp piece 98 is fixed on lower beam 16, and lower beam 16 is also fixedly connected with the second connecting tube 56, institute In slipping of the following bar assembly 15 between extended configuration and return state, from the 98 to the second connecting tube of flexible clamp piece 56 it Between vertical distance X1 keep constant it is constant.When lower bar assembly 15 is unfolded, push convex block 110 first makes elastic card Part 98 is disengaged with upper left card slot 100 and upper right card slot 104, and lower beam 16 drives the sliding downwards of the second connecting tube 56, while set on the Telescopic wind deferent 58 between one connecting tube 54 and the second connecting tube 56 is stretched, until flexible clamp piece 98 and lower-left card slot 102 It is coupled with bottom right card slot 106, at this point, the vertical distance between 56 lower end of the second connecting tube and main air inlet 60 is X2.When receiving During the lower bar assembly 15 of contracting, push convex block 110 first makes flexible clamp piece 98 and lower-left card slot 102 and bottom right card slot 106 de- It opens, operation lower beam 16 drives the second sliding upwards of connecting tube 56, while set between the first connecting tube 54 and the second connecting tube 56 Telescopic wind deferent 58 compressed, until flexible clamp piece 98 and upper left card slot 100 and upper right card slot 104 are coupled, at this point, second connects Vertical distance between 56 lower end of take over and main air inlet 60 is X3, wherein X3 ＜ X2.

As shown in Figure 15, Figure 20 to 24, dust catcher further includes the battery pack that power supply is provided for motor 42, enters from air inlet First part's air-flow and second part air-flow are split by motor cabinet 40 to the air-flow in agent structure 14, first part's air-flow is straight It connects to motor 42 to cool down motor 42, second part air-flow is directly communicated to battery pack to cool down battery pack.The preferred embodiment In, the same time realizes the cooling of motor 42 and battery pack, and cooling effect is more preferable.

Vacuum generator 34 further includes the whirlwind air duct part 116 for being connected to motor cabinet 40, and main air inlet 60 is set on whirlwind wind Road part 116, motor cabinet 40 have at least one wind for accommodating the motor cavity 118 of motor 42 and connecting with motor cavity 118 Chamber, wind chamber is for the first part's air-flow that circulates.Specifically, whirlwind air duct part 116 has connection main air inlet 60 and is arranged on master Whirlwind air duct 61 between air inlet 60 and wind chamber.Specifically, the extending direction phase of the extending direction of wind chamber and motor cavity 118 Together, and wind bottom of chamber portion is in fluid communication with whirlwind air duct 61.In this preferred embodiment, wind chamber is set as two.Specifically, wind chamber packet Front wind cavity 120 and rear wind cavity 122 are included, front wind cavity 120 and rear wind cavity 122 are substantially symmetrically set on the both sides of motor cavity 118.Join again See Fig. 3, after air-flow enters from main air inlet 60, enter in front wind cavity 120 and rear wind cavity 122, so as to be carried out to motor 42 Cooling.Specific in the present embodiment, the swirling eddy that air-flow is formed after the entrance of main air inlet 60 by rotating air duct again passes through Filter device 36 is entered by air-flow clean after filter device 36 in front wind cavity 120 and rear wind cavity 122, so as to motor 42 are cooled down.

Motor cabinet 40 includes the first mounting base 124 and the second mounting base 126, wherein the first peace of the second mounting base 126 protrusion Fill the periphery of seat 124.Detailed, the plane for defining the axis of the output shaft 44 perpendicular to motor 42 is the first plane, and first pacifies The projection of dress seat 124 on the first plane is fully located in the drop shadow spread of the second mounting base 126 on the first plane.Second peace The part for filling the first mounting base 124 of protrusion of seat 126 is equipped with the first venthole 128, and the opening direction of the first venthole 128 is substantially For vertical direction, the first venthole 128 is connected with air inlet and wind chamber, further, the first venthole 128 and front wind cavity 120 are connected with rear wind cavity 122, and front wind cavity 120 is entered from the air-flow that main air inlet 60 is come in by the first venthole 128 With rear wind cavity 122, so as to cool down motor 42.First venthole 128 is connected by whirlwind air duct 61 with main air inlet 60.First Venthole 128 is set as multiple, it is preferred that multiple first ventholes 128 are uniformly distributed in the periphery of motor 42.First venthole 128 have first end 129 and the second end 131 in 42 axle center of motor, the width of first end 129 are moved closer to from first end 129 More than the width of second end 131.

Further, the peripheral wall for forming motor cavity 118 is equipped with the second venthole 130 to connect with motor cavity 118. Second venthole 130 is set on the periphery of the first mounting base 124, the generally horizontal direction of opening direction of the second venthole 130.It is logical Normal motor 42 has cooling fan (not shown) in itself, and 42 body outer wall of motor is equipped with air port (not shown), and the air port is logical with second The position of stomata 130 is corresponding, further to strengthen the cooling to motor 42.In addition, the second venthole 130 may be configured as one It is a, two or more can also be set.

Dust catcher, which is further included, to be provided the battery pack (not shown) of power supply for motor 42, carries the battery holder apparatus of battery pack 132.Battery holder apparatus 132 is located on motor cabinet 40, specifically, battery holder apparatus 132 is located in the first mounting base 124. In addition, when battery holder apparatus 132 is located at the first mounting base 124, battery holder apparatus 132 and the entirety of the composition of motor cabinet 40 Profile levels off to cylinder.Battery holder apparatus 132 is equipped with multiple air holes 134, and the opening direction of air hole 134 is perpendicular to the The opening direction of one venthole 128.From first venthole of the part of motor cabinet 40 128 flow out air-flow by air hole 134 into Enter into battery holder apparatus 132, so as to be cooled down to the battery pack in battery holder apparatus 132.

Further, have between battery holder apparatus 132 and the second mounting base 126 of motor cabinet 40 at regular intervals.This is excellent It selects in embodiment, battery holder apparatus 132 includes the first battery tray 136 and the second battery being oppositely arranged with the first battery tray 136 Seat 138, the first battery tray 136 and the second battery tray 138 are respectively arranged on the both sides of the first mounting base 124,136 He of the first battery tray Air hole 134 is equipped on second battery tray 138.

Battery holder apparatus 132 further includes the connector 140 of the first battery tray 136 of connection and the second battery tray 138, the first peace One end of dress seat 124 is connected with the second mounting base 126, the other end setting connector 140 of the first mounting base 124, connector 140 are supported by the first mounting base 124, so as to which the first battery tray 136 and the second battery tray 138 are located at the first mounting base 124 Both sides.

From the fraction that main air inlet 60 is come in by the first venthole of part 128 after, then entered by air hole 134 Into the first battery tray 136 and the second battery tray 138, so as to the battery pack in the first battery tray 136 and the second battery tray 138 It is cooled down.

In this preferred embodiment, using integrated molding between the first battery tray 136,140 and second battery tray 138 of connector Structure,

Battery holder apparatus 132 has the pocket of merging battery pack, and battery holder apparatus 132 is equipped with the lid of covering pocket Body 142, wherein the control panel (PCB) being electrically connected with motor 42 is on the upper surface of cover 142.In this preferred embodiment, First battery tray 136 has the first pocket 144 of first group of battery pack of merging, and the second battery tray 138 has second group of merging Second pocket 146 of battery pack, cover 142 cover the first pocket 144 and the second pocket 146 simultaneously.Specifically, cover 142 are detachably arranged at battery holder apparatus 132 by bolt, certainly, can also be adopted between cover 142 and battery holder apparatus 132 With other fixed forms.

In addition, in this preferred embodiment, the first battery tray 136 is identical with the structure type of the second battery tray 138, herein only It describes in detail by taking the first battery tray 136 as an example, the first battery tray 136 has the first bottom plate for being used to support first group of battery 148th, the first side plate 150 extended from the first bottom plate 148 to the first pocket 144, wherein the first bottom plate 148 and the first pocket 144 are oppositely arranged, and the lengthwise extending direction of the first side plate 150 is approximately perpendicular to the first bottom plate 148, the first side plate 150 and first Bottom plate 148 forms the host cavity of first group of battery of receiving, and the first battery tray 136 is equipped with a plurality of air holes 134, and air hole 134 extend along the lengthwise extending direction lengthwise of the first side plate 150.

As shown in Figure 25 to 31, upper connection structure between bar assembly 12 and housing 32 and connection side are unfolded in detail below Method, housing 32 are equipped with mounting hole 152, and the first upper boom 22 includes main body 153 that is hollow and extending along longitudinally and set on master The hook 154 of body 153, hook 154 includes the outwardly extending connecting portion 156 in periphery of autonomous agent 153, specifically, connecting portion 156 Extending direction be approximately perpendicular to the longitudinally of main body 153.Connecting portion 156 is located in mounting hole 152, and with mounting hole 152 A side abut against.On first upper boom 22 with hook 154 connecting portion 156 it is adjacent be provided with matching hole 158, specifically, Matching hole 158 is corresponding with the position of mounting hole 152, it is preferred that the size of matching hole 158 and mounting hole 152 can be set to phase Together.Certainly, mounting hole 152 can also be arranged to smaller than matching hole 158.Casing 160, casing 160 are equipped in first upper boom 22 First upper boom 22 is pressed in agent structure 14.Further, casing 160 includes the set in the hollow portion of the first upper boom 22 Tube wall 162 and from 162 outwardly extending casing wall protrusion 164 of casing wall, casing wall protrusion 164 and matching hole 158 and mounting hole 152 matings, and hook 154 is pressed between casing wall protrusion 164 and housing 32, so as to which the first upper boom 22 be consolidated with housing 32 It is scheduled on together.

To cause the fixation between the first upper boom 22 and housing 32 more secured, hook 154 further includes and 156 phase of connecting portion Connection and the extension hook portion 166 of angled setting.Housing 32 is stuck in the main body of extension 166 and first upper boom 22 of hook portion Between 153, so as to make the fixation between 32 and first upper boom 22 of housing relatively reliable.

Specifically, extension hook portion 166 is Y1 along the length on longitudinally, mounting hole 152 is along the length on longitudinally It spends for Y2, casing wall protrusion 164 is Y3 along the length on longitudinally, and the thickness+Y3=Y2 of connecting portion 156.Such casing First upper boom 22 can be pressed in housing 32 by 160.

Next installation method is specifically introduced, first moves the first upper boom 22 along D1 directions to the direction close to housing 32, when When first upper boom 22 is adjacent to housing 32, notice that the relative position up and down by the first upper boom 22 and housing 32 is adjusted, and makes hook 154 is corresponding with the position of mounting hole 152, and hook 154 is pushed into mounting hole 152, and make the main body of the first upper boom 22 153 lean with housing 32.Then the first upper boom 22 is moved down along D2 directions, until connecting portion 156 and housing 32 abut against, Housing 32 is connected between the first upper boom 22 and the extension hook portion 166 for linking up with 154 simultaneously.Finally along D3 directions by casing 160 It is placed in the first upper boom 22, specifically, the end of casing 160 is equipped with stopper section 168, when casing 160 is advanced to stopper section 168 When leaning with the outer wall of the first upper boom 22, casing wall protrusion 164 and matching hole 158 and mounting hole 152 are matched, so as to by the One upper boom 22 and housing 32 are fixed together.

As shown in Figure 32 to 34, the second upper boom 24 is inserted into the first upper boom 22 along D directions, is pacified when by the second upper boom 24 After being attached to position, the second upper boom 24 leans with casing 160, and the second upper boom 24 is located at end in the first upper boom 22 in lengthwise side Casing 160 protruding upward, the outer wall and 22 inner wall of the first upper boom of the second upper boom 24 have width on one side of neighbouring agent structure 14 The gap for Y4 is spent, for the cable for accommodating connection motor 42 and power switch 52 to be facilitated (to be done again in the description below in detail Illustrate).

As shown in Figure 35 to 39, the first locking structure 170 is equipped between the second upper boom 24 and third upper boom 26.Certainly, when Upper bar assembly 12 only set the first upper boom 22 and the second upper boom 24 totally two upper booms when, the first locking structure 170 be set on first on Between 22 and second upper boom 24 of bar.Specifically, the first locking structure 170 includes the first vertical sliding block 176, relative to third upper boom 26 The first locking pin 175 on longitudinal axis direction without relative displacement and can be operatively movably arranged in third upper boom 26 and with The matched control-rod 178 of first vertical sliding block 176, the second upper boom 24 are equipped with what can be coupled or disengage with the first locking pin 175 Locking hole 182 under 180 and second upper boom of locking hole on second upper boom, when pushing control-rod 178 along longitudinal axis direction, control Bar 178 so that the first vertical sliding block 176 slide, so as to promote the first locking pin 175 from locking hole 180 or the second on the second upper boom Under upper boom the interface sites of locking hole 182 be slid onto under 180 or second upper boom of locking hole on the second upper boom locking hole 182 it is de- Open position

Further, the first locking structure 170 further include the first pedestal 172 set on third upper boom 26, can horizontal sliding Ground is set on the first cross slider 174 of the first pedestal 172, and the first locking pin 175 is fixed at the vertical cunning of the first cross slider 174, first 176 and first cross slider 174 of block it is matched only set the first upper boom 22 and the second upper boom 24 on totally two when upper bar assembly 12 During bar, the first pedestal 172 is set on the second upper boom 24, and correspondingly, control-rod 178 is set in the second upper boom 24, and the first upper boom 22 The upper locking hole and lower locking hole that upper setting can be coupled or disengage with the first locking pin 175.

Control-rod 178 and the first vertical sliding block 176 are matched, when the lengthwise extending direction along third upper boom 26 is to close to first When the direction of cross slider 174 pushes control-rod 178, control-rod 178 causes the first vertical sliding block 176 to close to 20 side of work head assembly To sliding, so as to promote the first cross slider 174 drive the first locking pin 175 from on locking hole on the second upper boom 180 and second The interface sites of locking hole 182 are slid onto the disengagement with locking hole 182 under 180 and second upper boom of locking hole on the second upper boom under bar Position.When third upper boom 26 is unfolded, the first locking pin 175 is coupled with locking hole 180 on the second upper boom, thus will be in third Bar 26 is locked in unfolded state.When third upper boom 26 is fully collapsed into the second upper boom 24, on the first locking pin 175 and second Locking hole 182 is coupled under bar, so as to which third upper boom 26 is locked in contraction state.

Referring to Fig. 2, Figure 40 and Figure 41, control-rod 178 is movably arranged at handle 10.Specifically, control-rod 178 and press part 214 opposite one end are equipped with adjusting key 184, and adjusting key 184 is movably set in handle 10 for bar assembly 12 in operator's operation Contraction.The power switch 52 being electrically connected with motor 42 is also disposed on handle 10, it is preferred that power switch 52 is set to handle 10 One end of neighbouring third upper boom 26.

When operation adjusting key 184, control-rod 178 is driven to move down, the first vertical sliding block 176 is promoted to move down, so as to Promote the first cross slider 174 that the first locking pin 175 is driven to move inward, so that locking on the first locking pin 175 and the second upper boom Hole 180 is separated, and third upper boom 26 then can be made to be collapsible into 24 interior while i.e. releasable adjusting key 184 of the second upper boom.Work as receipts When being reduced to certain position, the first locking pin 175 reaches and 182 corresponding position of locking hole under the second upper boom, the first locking pin 175 is matched with locking hole 182 under the second upper boom, so as to which third upper boom 26 is held in retracted position.When in third to be unfolded During bar 26, adjusting key 184 is first operated, moves inward the first locking pin 175, so that under the first locking pin 175 and the second upper boom Locking hole 182 is separated, and then just makes third upper boom 26 can be from the 24 interior extraction of the second upper boom while i.e. releasable adjusting key 184. When being retracted to certain position, the first locking pin 175 reach on the second upper boom during 180 corresponding position of locking hole with second Locking hole 180 is matched on upper boom, so as to which third upper boom 26 is locked in expanded position.

Specifically, the first locking structure 170 includes the first cutting ferrule 186, third upper boom 26 is equipped with the first mounting hole 188, the One pedestal 172 have with corresponding first mounting groove 190 in 188 position of the first mounting hole, the first cutting ferrule 186, which has, is sheathed on the First outer part 192 of three upper booms, 26 periphery and the first lug boss 194 to extend internally from the first outer part 192, the first protrusion Portion 194 is coupled with the first mounting hole 188 and the first mounting groove 190, so as to which the first pedestal 172 is fixed on third upper boom 26.The One outer part 192 has opening, at it circumferentially in non-close shape, so set, can facilitate the installation of the first cutting ferrule 186.

Specific in the present embodiment, the first lug boss 194 is set as substantially symmetrical two, correspondingly, the first installation It is two that 188 and first mounting groove 190 of hole is also correspondingly arranged respectively.Certainly, the first lug boss 194 and matched with it first 188 and first mounting groove 190 of mounting hole may be set to be one or more.

There is first pedestal 172 horizontal 196 and first pedestal of chamber of first pedestal to indulge chamber 198.Wherein, the horizontal chamber 196 of the first pedestal The substantially vertical lengthwise extending direction with third upper boom 26 of extending direction, the extending direction that the first pedestal indulges chamber 198 is substantially flat Row is in the lengthwise extending direction of third upper boom 26, and the horizontal chamber 196 of the first pedestal indulges chamber 198 with the first pedestal and connects.

Further, the first vertical sliding block 176 has upper mating surface 200, and upper mating surface 200 and the lengthwise of third upper boom 26 prolong Angle a formed by direction is stretched for acute angle.First cross slider 174 has the lower mating surface 202 that is coupled with upper mating surface 200, under match Angle b formed by 202 and first cross slider, 174 glide directions of conjunction face is also acute angle, and in this embodiment, third upper boom 26 is indulged Long extending direction is vertical direction, and the first glide direction of cross slider 174 is horizontal direction, vertical direction herein and level side To be using dust catcher is in running order in Fig. 1 when residing direction as reference.As a result, angle a and angle b's and be 90 degree.

In this preferred embodiment, upper mating surface 200 is set to two, and correspondingly, lower mating surface 202 is also arranged at intervals It is two.Certainly, upper mating surface 200 can also only be set as one or more, and correspondingly, lower mating surface 202 is also provided with For one or more.Detailed, the first vertical sliding block 176 is included on the left of the first vertical sliding block left side wall 204 and the first vertical sliding block The first vertical 204 and first vertical sliding block of sliding block left side wall of the first vertical sliding block right side wall 206 spaced apart of wall 204 and connection First vertical sliding block end wall 208 of right side wall 206, upper mating surface 200 include coordinating set on the upper left of the first vertical sliding block left side wall 204 Face 210 and the upper right mating surface 212 set on the first vertical sliding block right side wall 206,210 and first vertical sliding block end wall of upper left mating surface 208 are located at the opposite both ends of the first vertical sliding block left side wall 204 respectively, and 212 and first vertical sliding block end wall 208 of upper right mating surface is distinguished The both ends opposite positioned at the first vertical sliding block right side wall 206.First vertical sliding block end wall 208 and control-rod 178 are matched, this is preferred real It applies in example, the first vertical sliding block end wall 208 is abutted against with control-rod 178, when pressing control-rod 178 instantly, can drive the first vertical sliding block 176 move down, so as to promote the first cross slider 174 that the first locking pin 175 is driven to move inward, so that the first locking pin 175 It is disengaged with locking hole 180 on the second upper boom.Further, match junction for increase by 178 and first vertical sliding block end wall 208 of control-rod Product, the lower end of control-rod 178 are equipped with press part 214, are indulged specifically, the area of press part 214 in the horizontal direction is more than first The area of sliding block end wall 208 in the horizontal direction.

First cross slider 174 include the first main part 216, from the first main part 216 extend outward first left side it is convex Convex 220 on the right side of in the of 218 and first, the first locking pin 175 is set on the first main part 216.Specifically, lower mating surface 202 includes being set on Lower-left mating surface 222 on first left side convex 218 and the bottom right mating surface 224 on the first right side convex 220.Wherein, lower-left Mating surface 222 and upper left mating surface 210 are coupled, and bottom right mating surface 224 and upper right mating surface 212 are coupled.In addition, the first main part In 216 spacing between the first vertical 204 and first vertical sliding block right side wall 206 of sliding block left side wall.Further, the first main body Spacing between the width in portion 216 and the first vertical 204 and first vertical sliding block right side wall 206 of sliding block left side wall is roughly equal, also It is that the lateral surface of the first main part 216 is substantially bonded with the first vertical 204 and first vertical sliding block right side wall 206 of sliding block left side wall, but Relative sliding can be generated, so that the sliding of the first vertical sliding block 176 is more stable.Detailed, the first main part 216 includes first Left side 226, the first right side 228 being spaced in intervals with the first left side 226 and it connect the first left side 226 and The first end 230 of one right side 228, the first locking pin 175 are set on first end 230.To increase the strong of the first cross slider 174 Degree, the first main part 216 of the first cross slider 174 further include the first left side 226 of connection, the first right side 228 and first end First bottom 232 in portion 230.

Further, the first locking structure 170, which further includes, promotes locking hole 180 on the first locking pin 175 and the second upper boom Or second locking hole 182 under upper boom keep the first outer spring 234 of mating.When control-rod 178 is moved down by operation, is compressed One vertical sliding block 176 moves down, with promote the first cross slider 174 drive the first locking pin 175 to locking hole on the second upper boom 180 or the second direction movement that is detached from of locking hole 182 under upper boom.When needing to be unfolded third upper boom 26, control-rod is first pushed 178, control-rod 178 pushes the first vertical sliding block 176 to move down, and the first cross slider 174 is promoted to overcome the bullet of the first outer spring 234 Property power to the direction movement far from locking hole 182 under the second upper boom, cause locking hole under the first locking pin 175 and the second upper boom 182 disengage, and then can pull up third upper boom 26 so that third upper boom 26, and release control bar 178 is unfolded, when will be in third When bar 26 is brought up to 180 corresponding position of locking hole on the first locking pin 175 and the second upper boom, the first cross slider 174 exists The first locking pin 175 is driven under the resilient force of first outer spring 234 to the direction being coupled with locking hole 180 on the second upper boom It is mobile, and the first outer spring 234 makes the holding of the first locking pin 175 be coupled with locking hole 180 on the second upper boom, thus will be in third Bar 26 is held in unfolded state.The method that third upper boom 26 is shunk is similar with the method being unfolded, no longer specific to introduce.

In this preferred embodiment, the first outer spring 234 is set as compression spring.First outer spring 234 is located at the horizontal chamber of the first pedestal In 196, one end of the first outer spring 234 leans with the first cross slider 174, the other end and First of the first outer spring 234 Body 172 leans.

In addition, the second upper boom 24 is equipped with the second upper boom end cap 236, when third upper boom 26 is in relative to the second upper boom 24 During unfolded state, the second upper boom end cap 236 is set on the second upper boom 24 relatively adjacent to one end of third upper boom 26.Specifically, on second Rod end set 236 is set on the inside of the second upper boom 24, and clamping structure is used between the second upper boom 24.In general, the second upper boom 24 is set There is blocked hole 238, the second upper boom end cap 236 is equipped with the clamping protrusion 240 being coupled with blocked hole 238.Common, the second upper boom End cap 236 is plastic article, and the first upper boom 22, the second upper boom 24 and third upper boom 26 use metalwork.Certainly, the second upper boom end cap 236th, the first upper boom 22, the second upper boom 24 and third upper boom 26 can also use other materials.

Second upper boom end cap 236 is abutted against with 26 or first locking structure 170 of third upper boom, when expansion third upper boom 26 When, the second upper boom end cap 236 prevents third upper boom 26 from being extracted out of second upper boom 24.Specifically, the second upper boom end cap 236 and card Set abuts against, it is of course also possible to be arranged to the second upper boom end cap 236 abutted against with third upper boom 26 or with 172 phase of the first pedestal It abuts.

As shown in Figure 42 to 44, the second locking structure 242 is equipped between the first upper boom 22 and the second upper boom 24.When the first lock When only structure 170 leaves the second locking structure 242, the second locking structure 242 locks the second upper boom 24, when third upper boom 26 is received When being retracted in the second upper boom 24 so that the first locking structure 170 and the second locking structure 242 abut against, promote the second locking structure 242 discharge the second upper boom 24.That is, the first locking structure 170 no longer contacts the second locking structure 242, cancel to During the pressure of two locking structures 242, the second locking structure 242 locks the second upper boom 24.Specifically, the second locking structure 242 Including being fixed at the second pedestal 244 of the second upper boom 24, can be set on to horizontal sliding the second cross slider of the second pedestal 244 246 and be fixed at the second cross slider 246 the second locking pin 248, with the second matched vertical sliding block of the second cross slider 246 250, the first upper boom 22 is equipped with locking hole 252 on the first upper boom that can be coupled or disengage with the second locking pin 248.

Second locking structure 242 equally includes the second cutting ferrule (not shown), is realized using the second cutting ferrule by the second pedestal 244 It being fixed together with the second upper boom 24, the connection mode between connection method and the first pedestal 172 and third upper boom 26 is similar, It is no longer discussed in detail herein.

There is second pedestal 244 the horizontal chamber of second pedestal and the second pedestal to indulge chamber.Wherein, the extending direction of the horizontal chamber of the second pedestal The substantially vertical lengthwise extending direction with the second upper boom 24, the extending direction that the second pedestal indulges chamber are roughly parallel to the second upper boom 24 Lengthwise extending direction, and the horizontal chamber of the second pedestal indulges chamber with the second pedestal and connects.

The docked mode of second vertical 250 and second cross slider 246 of sliding block and the first vertical 176 and first cross slider 174 of sliding block Docked mode it is similar, be all to be abutted by inclined-plane.When the second vertical sliding block 250 is by operatively to close to the side of work head assembly 20 To during sliding, the second cross slider 246 can be promoted to drive the second locking pin 248 from the mating position with locking hole 252 on the first upper boom Put the disengaged position being slid onto with locking hole 252 on the first upper boom.

Easily manufactured to cause in this preferred embodiment, the second vertical sliding block 250 is identical with the first vertical sliding block 176, and second is horizontal Sliding block 246 is identical with the first cross slider 174.Certainly, the second vertical sliding block 250 can also be arranged to and the first vertical sliding block 176 not phase Together, equally, the second cross slider 246 can also be arranged to differ with the first cross slider 174.Specifically, the second vertical sliding block 250 has Upper to match junction 260, angle c formed by the lengthwise extending direction above with 260 and second upper boom 24 of junction is acute angle.Second cross slider 246 have lower with junction 262, and lower with angle d formed by junction 262 and second cross slider, 246 glide directions is also acute angle.Together Sample, in the embodiment, the lengthwise extending direction of the second upper boom 24 is vertical direction, and the second glide direction of cross slider 246 is water Square to, herein be vertically and horizontally using direction residing when dust catcher is in running order in Fig. 1 as reference. As a result, angle c and angle d's and be 90 degree.When the direction of the second vertical sliding block 250 to close work head assembly 20 is pushed, With the downward sliding of the second vertical sliding block 250, due to it is upper with junction 260 with the lower mating with junction 262 to push the second sideslip Block 246 drives the second locking pin 248 to be slid onto and locking on the first upper boom from the interface sites with locking hole 252 on the first upper boom The disengaged position in hole 252.

Further, the second locking structure 242, which further includes, promotes locking hole 252 on the second locking pin 248 and the first upper boom Keep the second outer spring 263 of mating.When the second upper boom 24 is in unfolded state relative to the first upper boom 22, the second locking pin 248 are coupled with locking hole 252 on the first upper boom.

Locking hole 264 under the first upper boom is additionally provided on first upper boom 22, the second locking structure 242 further includes can horizontal sliding Ground is set on the axis pin 266 in the horizontal chamber of the second pedestal of the second pedestal 244, and axis pin 266 can be coupled with locking hole 264 under the first upper boom Or disengage, the second locking structure 242, which further includes, promotes locking hole 264 under 266 and first upper boom of axis pin to keep the inner spring being coupled 268.Further, the coefficient of elasticity of inner spring 268 is less than the coefficient of elasticity of the second outer spring 263, and the original of inner spring 268 is long It is long no more than the original of the second outer spring 263.Specifically, inner spring 268 is compressed spring.On the second upper boom 24 is relative to first When bar 22 is in contraction state, locking hole 252 is in the lengthwise extension side of the second upper boom 24 on the second locking pin 248 and the first upper boom It mutually staggers upwards, locking hole 252 keeps disengaging, and under 266 and first upper boom of axis pin on the second locking pin 248 and the first upper boom Locking hole 264 is coupled.In addition, the second pedestal 244 is additionally provided with the pilot hole for wearing axis pin 266.

Specifically, the second cross slider 246 include the second main part 270, extend outward from the second main part 270 second Convex 272 and second right side convex 274 of left side, the second locking pin 248 are set on the second main part 270.Specifically, lower wrap with junction 262 It includes bottom right of the lower-left on the second left side convex 272 with junction 276 and on the second right side convex 274 and matches junction 278.In detail , the second main part 270 include the second left side 280, the second right side 282 being spaced in intervals with the second left side 280, And the second end 284 of the second left side 280 of connection and the second right side 282, the second locking pin 248 are set on the second end 284. To increase the intensity of the second cross slider 246, the second main part 270 of the second cross slider 246 further includes the second left side of connection 280th, the second right side 282 and the second bottom 286 of the second end 284.

Axis pin 266 is extended into the interval between the second left side 280 and the second right side 282, one end of inner spring 268 The second cross slider 246 is resisted against, the other end of inner spring 268 is resisted against axis pin 266, so as to promote 266 and first upper boom of axis pin Lower locking hole 264 keeps mating.Further, the periphery of axis pin 266 is equipped with stopper section 290, the second cross slider 246 and second end Portion 284 relative to one end be equipped with limiting section 292, one side of stopper section 290 is resisted against limiting section 292, stopper section 290 it is another Side and the other end of inner spring 268 lean.It is compact-sized to cause in this preferred embodiment, 268 at least part position of inner spring In interval between the second left side 280 and the second right side 282.It is furthermore preferred that inner spring 268 is fully located at the second left side In interval between 280 and second right side 282 of portion.Specifically, the second outer spring 263 is sheathed on the periphery of axis pin 266, part Inner spring 268 is sheathed on the periphery of axis pin 266.Second outer spring 263 phase on the extending direction of axis pin 266 with inner spring 268 It is mutually separate.

Next the contraction method of third upper boom 26 is specifically introduced.With further reference to Figure 45 to Figure 47, control-rod is pressed instantly When 178, press part 214 on control-rod 178 pushes the first vertical sliding block 176 along the lengthwise extending direction of third upper boom 26 to moving down It is dynamic, so as to which the first locking pin 175 be promoted to be disengaged with locking hole 180 on the second upper boom, then third upper boom 26 can be collapsible into Second upper boom 24, when third upper boom 26 drives the first locking structure 170 to be moved down into the first pedestal relative to the second upper boom 24 172 with the second vertical sliding block 250 when being just in contact, and stops shrinking third upper boom 26, the first pedestal 172 will not push second at this time Vertical sliding block 250 slides downwards.Third upper boom 26 is in contraction state at this time, the second upper boom 24 still in unfolded state, that is, Upper bar assembly is in the second unfolded state.

When upper bar assembly is in the second unfolded state, the second outer spring 263 promotes the second locking pin 248 and the first upper boom Upper locking hole 252 is coupled the second upper boom 24 being held in expanded position.In addition, due to the limiting section of the second cross slider 246 292 lean with the stopper section 290 of axis pin 266, so that axis pin 266 is located in the first upper boom 22.

Next the contraction method of the second upper boom 24 is specifically introduced.With further reference to Figure 39 to Figure 41, continuing will be in third To 24 contract of the second upper boom, third upper boom 26 continues that the first locking structure 170 is driven along the lengthwise of third upper boom 26 to prolong bar 26 Direction is stretched to move down, so as to which first base pushes the second vertical sliding block 250 to be moved down relative to the second pedestal, the second vertical sliding block 250 promote the second cross slider 246 to overcome the elastic force of the second outer spring 263, to drive the second locking pin 248 to the first upper boom 22 Interior movement, the second cross slider 246 cause the second locking pin 248 to be disengaged with locking hole 252 on the first upper boom, next can be by second Upper boom 24 is collapsible into the first upper boom 22.In the contraction process for sliding the second upper boom 24 into the first upper boom 22, axis pin 266 In the first upper boom 22, when the second upper boom 24 is driven 242 retracted downward of the second locking structure to bottom position, axis pin 266 be in 264 corresponding position of locking hole under the first upper boom, axis pin 266 under the promotion of inner spring 268 with the first upper boom Lower locking hole 264 is coupled, while axis pin 266 pushes the second cross slider 246 to overcome the power of the second outer spring 263 on far from first The direction movement of locking hole 252 on bar.Axis pin 266 coordinates with locking hole 264 under the first upper boom, so as to which the second upper boom 24 be kept In retracted position.

When third upper boom 26 to be unlocked is to be unfolded third upper boom 26, control-rod 178 is pushed, the first vertical sliding block 176 promotes First cross slider 174 overcomes the elastic force of the first outer spring 234 to be moved to the direction far from locking hole 182 under the second upper boom, from And so that the first locking pin 175 is disengaged with locking hole 182 under the second upper boom, handle 10 of shaking hands then up, it is possible to drive third Upper boom 26 moves up, so as to which third upper boom 26 be unfolded.When third upper boom 26 is deployed into the top position upwards, control-rod 178 are released, and the first cross slider 174 is under the resilient force of the first outer spring 234 to close to locking hole 180 on the second upper boom Direction movement, finally so that the first locking pin 175 is coupled with locking hole 180 on the second upper boom, so that third upper boom 26 be protected It is held in expanded position.

When the second upper boom 24 is unfolded, since the pressure for being applied to the second vertical sliding block 250 disappears, in the second outer spring Under the action of 263, axis pin 266 is disengaged with locking hole 252 on the first upper boom, the locking between the second upper boom 24 and the first upper boom 22 It releases, then proceedes to pull up handle 10, so that it may the second upper boom 24 is driven to move up, so as to be stretched out of first upper boom 22 Go out, when the second upper boom 24 be extended to the second locking pin 248 it is corresponding with the position of locking hole 252 on the first upper boom when, second Locking pin 248 is coupled under the resilient force of the second outer spring 263 with locking hole 252 on the first upper boom, thus will be on second Bar 24 is held in expanded position.

As shown in Figure 51 to Figure 54, cable is connected between power switch 52 and motor 42, cable includes and power switch First cables 294 of 52 electrical connections and the second cable 296 (referring to Fig. 3) for being electrically connected with motor 42, and the first cable 294 and the Two cables 296 are electrically connected.Specifically, the first cable 294 includes cable fixing end 298 and cable free end 300, wherein, cable Fixing end 362 is fixed relative to third upper boom 26, and cable free end 300 is fixed relative to the second upper boom 24.Specifically , cable fixing end 298 is connected with power switch 52, and cable free end 300 is set on the second upper boom 24 relatively on first One end of bar 22, cable free end 300 are electrically connected with the second cable 296.Preferably, the first cable 294 and the second cable 296 are equal For flat cable.In addition, the first cable 294 and the second cable 296 are also configured to a cable, the middle part of a cable with Second locking structure 242 has a fixed connection point, so that two parts cable tool of 242 upper and lower part of the second locking structure There is fixed length.

Dust catcher further includes the cable drawoff structure in upper bar assembly 12, and cable drawoff structure is used for the first cable 294 carry out retractable cable.Cable drawoff structure includes the first pulley component of unwrapping wire spring 302, activity in third upper boom 26 304 and be fixed at third upper boom 26 lower end second pulley component 306.Specifically, unwrapping wire spring 302 is tension spring.Unwrapping wire The spring fixed end 308 of spring 302 is fixed relative to third upper boom 26, specific in the present embodiment, spring fixed end 308 It is fixedly connected on handle 10, the spring free end 310 of unwrapping wire spring 302 is connected to first pulley component 304, second pulley group Part 306 is connected to third upper boom 26, it is preferred that second pulley component 306 is set on the one end of third upper boom 26 far from handle 10.When So, spring fixed end 308 can also be fixedly connected on third upper boom 26, at this point, spring fixed end 308 is fixedly connected on third Upper boom 26 is adjacent to one end of handle 10.

Further, first pulley component 304 includes the first pulley stent 312 being connected with spring free end 310, leads to Cross the first pulley 316 that first pulley axis 314 is rotatably arranged in first pulley stent 312.The axis of first pulley axis 314 is big Cause the lengthwise extending direction perpendicular to third upper boom 26.Wherein first pulley stent 312 is fixedly connected with spring free end 310. First pulley stent 312 include the first side wall 318, and spaced apart second sidewall 320 opposite with the first side wall 318, Connect the first side wall 318 and roof 322, the bearing attachment 324 set on roof 322 of second sidewall 320, bearing attachment 324 are located at the both sides of roof 322 with the first side wall 318, second sidewall 320 respectively.In this preferred embodiment, first pulley stent 312 further include the first side wall 318 and the bottom wall 326 of second sidewall 320, wherein roof 322, the first side wall 318 and second sidewall 320 it is of same size, the width of bottom wall 326 is less than the first side wall 318 and the width of second sidewall 320.Bearing attachment 324 with Spring free end 310 is connected, specifically, bearing attachment 324 is equipped with connecting hole 328, spring free end 310 hooks the company of being set on Connect hole 328.

Second pulley component 306 includes second pulley stent 330, is rotatably arranged in second by second pulley axis 332 The second pulley 334 of pulley bracket 330.The axis of second pulley axis 332 is approximately perpendicular to the lengthwise extension side of third upper boom 26 To.Wherein, second pulley stent 330 includes the first side 336, opposite with the first side 336 and spaced apart second The connecting portion 340 of side 338, the first side 336 of connection and the second side 338.Preferably, first pulley 316 and second pulley 334 outer diameter is identical.Certainly, the outer diameter of first pulley 316 and second pulley 334 can also be arranged to differ.

Further, second pulley stent 330 is set on one end far from handle 10 in third upper boom 26.This preferred embodiment In, second pulley stent 330 is fixedly installed on the first locking structure 170.Specifically, second pulley stent 330 is fixedly installed on First pedestal 172.Integrated formed structure, certainly, second pulley can be used between 330 and first pedestal 172 of second pulley stent It can also be used between 330 and first pedestal 172 of stent and other fastening means such as be bolted, rivet.

First pedestal 172 is equipped with the crossed beam trunking 342 for accommodating cable, and crossed beam trunking 342 extends along the lengthwise of third upper boom 26 Direction extends, and is penetrated through on the lengthwise extending direction of third upper boom 26.The cable fixing end 298 and power supply of first cable 294 Switch 52 is connected, then first down around the second pulley 334 on second pulley component 306, then up around first pulley The first pulley 316 of component 304 finally passes through downwards from the crossed beam trunking 342 on the first pedestal 172, across after the first pedestal 172 The cable free end 300 of first cable 294 is fixedly connected relative to the second upper boom 24, and cable free end 300 is set on second Cable free end 300 is electrically connected by upper boom 24 relatively adjacent to one end of the first upper boom 22 with the second cable 296.

In this preferred embodiment, cable free end 300 is fixedly connected on the second locking structure 242.Specifically, cable is free End 300 is fixedly connected on the second pedestal 244.

With further reference to Figure 52, when third upper boom 26 is unfolded relative to the second upper boom 24, unwrapping wire spring 302 is stretched, Vertical distance between first pulley component 304 and second pulley component 306 is nearest, at this time cable fixing end 298 and cable from It is maximum by the vertical distance Z2 between end 300.

With reference to Figure 53, when third upper boom 26 is shunk relative to the second upper boom 24, as third upper boom 26 is contracted into the In two upper booms 24, the first cable 294 is relaxed, and no longer pulls first pulley component 304, first pulley component 304 is in unwrapping wire bullet It is moved under the elastic pulling force effect of spring 302 to the direction far from second pulley component 306, the first cable 294 so as to relax It closes between first pulley component 304 and second pulley component 306, when third upper boom 26 is fully collapsed into the second upper boom 24 When, the vertical distance between first pulley component 304 and second pulley component 306 is farthest, at this time cable fixing end 298 and cable Vertical distance Z1 between free end 300 is minimum.In the preferred embodiment, when first pulley component 304 is fixed relative to cable End 298 movement L apart from when, cable free end 300 relative to cable fixing end 298 move 2 × L distance.

In this preferred embodiment, the second cable 296 is set in the second upper boom 24 and set on 244 lower part of the second pedestal.Dust suction Device further includes the control panel that the operating to control motor 42 is electrically connected with motor 42.Specifically, the upper end of the second cable 296 with Second pedestal 244 is fixedly connected and is electrically connected with cable free end 300, and the lower end of the second cable 296 passes through housing 32 and control Making sheet connects.Referring back to Fig. 2 and 34, in addition, the perforation of the second cable 296 is fully deployed positioned at the middle part of 32 front side portion of housing When, positioned at the lower section of the second locking structure 242.And when fully unfolded, the minimum point of the second cable 296 is less than the second cable 296 perforation.In this way, when contracted fully, the second cable 296 can be close to 22 rear wall of the first upper boom, be clipped in the second upper boom 24 Between 22 rear wall of rear wall and the first upper boom.Furthermore because there is width extremely between 24 rear wall of 22 rear wall of the first upper boom and the second upper boom It is the gap of Y4 less, so as to fully accommodate the second cable 296.

As shown in Figure 54 to 57, the second preferred embodiment provided by the invention, the difference of the embodiment and first embodiment Part is cable drawoff structure, other to be identical with the first embodiment, and is next only described in detail with regard to difference.

It is identical with the first embodiment, first pulley component 344 is connected to the free end of unwrapping wire spring 346, second pulley group Part 354 is fixed on the first pedestal 172.In this preferred embodiment, first pulley component 344 includes first pulley stent 348, can turn It is set on the first pulley 350 of first pulley stent 348 and third pulley 352, wherein first pulley 350 and third pulley dynamicly 352 are coaxially disposed by same pulley spindle in first pulley stent 348.

Second pulley component 354 includes second pulley stent 355, is rotatably arranged in the second of second pulley stent 355 356 and the 4th pulley 358 of pulley, wherein 356 and the 4th pulley 358 of second pulley are coaxially disposed by same pulley spindle in second Pulley bracket 355.Specifically, first pulley 350 is located at second pulley 356 on same vertical line, third pulley 352 and the 4th Pulley 358 is located on same vertical line.First pulley 350 is identical with the outer diameter of the 4th pulley 358, third pulley 352 and second The outer diameter of pulley 356 is identical.Specifically, the outer diameter of 350 and the 4th pulley 358 of first pulley is more than third pulley 352 and second The outer diameter of pulley 356.

The cable fixing end 362 of first cable 360 is equally connected with power switch 52, then from cable fixing end 362 To 364 direction of cable free end, first down around the second pulley 356 on second pulley component 354, then up around the first cunning The third pulley 352 of wheel assembly 344, next still further below bypass second pulley component 354 the 4th pulley 358, then again to The upper first pulley 350 around first pulley component 344 is finally passed down through the first pedestal 172, across after the first pedestal 172 The cable free end 364 of first cable 360 is fixedly connected on the second pedestal 244.Equally, cable further includes and the first cable The second cable (not shown) that 360 cable free end 364 is conductively connected, setting form are identical with the first embodiment, herein No longer it is discussed in detail.In the preferred embodiment, when first pulley component 344 is relative to the distance of the movement of cable fixing end 362 L When, cable free end 364 moves the distance of 4 × L relative to cable fixing end 362.

It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say For bright book as an entirety, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can With the other embodiment of understanding.

Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically Bright, they are not to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention Or change should all be included in the protection scope of the present invention.

Claims

1. a kind of dust catcher, inner cavity of the dust catcher including agent structure (14) and the agent structure (14) connects Air inlet, the upper bar assembly (12) upwardly extended from the agent structure (14) along longitudinal axis, which is characterized in that the upper boom Component include third upper boom (26), the second upper boom (24) telescopically connecting with the third upper boom and with second upper boom (24) the first upper boom (22) telescopically connected is equipped with the first locking between the third upper boom (26) and the second upper boom (24) Structure (170) is equipped with the second locking structure between second upper boom and the first upper boom, when first locking structure leaves the During two locking structures, second locking structure is by rod lock on described second, when the third upper boom is collapsible into the second upper boom It is interior so that first locking structure and the second locking structure abut against when, promote second locking structure will be on described second Bar discharges.

2. dust catcher according to claim 1, which is characterized in that first locking structure (170) includes the first vertical cunning Block (176) relative to first locking pin (175) of the third upper boom on longitudinal axis direction without relative displacement and can be grasped Make ground and be movably arranged at that the third upper boom (26) is interior and the control-rod (178) matched with the described first vertical sliding block, described second Upper boom (24) is equipped with locking hole (180) and the second upper boom on the second upper boom that can be coupled or disengage with the first locking pin (175) Lower locking hole (182), when pushing control-rod (178) along longitudinal axis direction, the control-rod (178) is so that first is vertical Sliding block (176) slide, so as to promote the first locking pin (175) from locking hole (180) or the second upper boom on second upper boom The interface sites of lower locking hole (182) are slid onto and locking hole under locking hole (180) on second upper boom or the second upper boom (182) disengaged position.

3. dust catcher according to claim 2, which is characterized in that first locking structure (170) is further included set on The first pedestal (172) of three upper booms (26) and the first cross slider that can be set on to horizontal sliding first pedestal (172) (174), first locking pin (175) is fixed at the first cross slider (174), pushes the control-rod (178) so that One vertical sliding block (176) slides relative to first pedestal along the longitudinal axis direction, so as to promote the first cross slider (174) The first locking pin (175) is driven from the mating with locking hole (182) under locking hole (180) on second upper boom or the second upper boom Position is slid onto the disengaged position with locking hole (182) under locking hole (180) on second upper boom or the second upper boom.

4. dust catcher according to claim 3, which is characterized in that the lower end of the control-rod (178) is equipped with and described the The press part (214) that one vertical sliding block (176) abuts against, the upper end of the control-rod are equipped with adjusting key (184), the adjusting key (184) handle (10) is movably set in so that operator operates.

5. dust catcher according to claim 3, which is characterized in that first locking structure (170), which further includes, promotes One locking pin (175) keeps the first outer bullet of mating with locking hole (182) under locking hole (180) on the second upper boom or the second upper boom Spring (234).

6. dust catcher according to claim 5, which is characterized in that the first outer spring (234) be compression spring, the first outer bullet One end of spring (234) leans with first cross slider (174), the other end of first outer spring (234) and described the One pedestal (172) leans.

7. dust catcher according to claim 3, which is characterized in that the first vertical sliding block (176) has upper mating surface (200), first cross slider (174) has a lower mating surface (202) with upper mating surface (200) mating, it is described on match Conjunction face (200) and longitudinally are at an acute angle, and the lower mating surface (202) is in the first cross slider (174) institute glide direction Acute angle.

8. dust catcher according to claim 7, which is characterized in that the first vertical sliding block (176) includes the first vertical sliding block Left side wall (204), with the described first vertical sliding block left side wall (204) the first vertical sliding block right side wall (206) spaced apart and Connect the first vertical sliding block end wall (208) of the first vertical sliding block left side wall (204) and the first vertical sliding block right side wall (206), it is described on Mating surface (200) is including being set on the upper left mating surface (210) of the first vertical sliding block left side wall (204) and on the right side of the first vertical sliding block The upper right mating surface (212) of wall (206), the first vertical sliding block end wall (208) and the control-rod (178) are matched.

9. dust catcher according to claim 8, which is characterized in that first cross slider includes the first main part, from institute State that the first left side that the first main part extends outward is convex and the first right side is convex, first locking pin is set on first main body Portion, it is convex upper and with the lower-left mating surface of upper left mating surface mating and set on that the lower mating surface includes being set on the first left side The convex bottom right mating surface above and with the upper right mating surface being coupled in one right side.

10. dust catcher according to claim 9, which is characterized in that first main part includes the first left side and institute State the first right side and the first end of connection first left side and the first right side that the first left side is spaced in intervals Portion, first locking pin are set on the first end.

11. dust catcher according to claim 3, which is characterized in that the first pedestal has to house first sideslip The horizontal chamber of the first pedestal of block and indulge chamber, the extension of the horizontal chamber of the first pedestal for housing the first pedestal of the described first vertical sliding block Direction is substantially vertical with the extending direction that first pedestal indulges chamber, and the horizontal chamber of the first pedestal is indulged chamber with the first pedestal and mutually passed through It is logical.

12. dust catcher according to claim 2, which is characterized in that first locking structure (170) further includes the first card It covers (186), equipped with the first mounting hole (188), first pedestal (172) has and the described first peace the third upper boom (26) Corresponding first mounting groove (190) in hole (188) position is filled, first cutting ferrule (186), which has, is sheathed on the third upper boom (26) peripheral the first outer part (192) and the first lug boss (194) to extend internally from the first outer part (192), described the One lug boss (194) and first mounting hole (188) and first mounting groove (190) are matched, by the First Body (172) is fixed on the third upper boom (26).

13. dust catcher according to claim 2, which is characterized in that second upper boom (24) is equipped with rod end on second It covering (236), the second upper boom end cap (236) abuts against with the third upper boom (26) or the first locking structure (170), to prevent Only the third upper boom (26) is extracted out of described second upper boom (24).

14. dust catcher according to claim 3, which is characterized in that second locking structure (242) is including being fixed at The second pedestal (244) of second upper boom (24), can horizontal sliding be set on the second pedestal (244) the second cross slider (246) and It is fixed at the second locking pin (248) of the second cross slider (246) and the second matched vertical sliding block of the second cross slider (246) (250), first upper boom (22) is equipped with locking on the first upper boom that can be coupled or disengage with second locking pin (248) Hole (252), first pedestal abut against with the described second vertical sliding block (250) and promote the described second vertical sliding block relative to described Second pedestal straight skidding so that second cross slider (246) drive the second locking pin (248) from on described first The interface sites of locking hole (252) are slid onto the disengaged position with locking hole (252) on first upper boom on bar.

15. dust catcher according to claim 14, which is characterized in that second locking structure (242), which further includes, to be promoted Second locking pin (248) keeps the second outer spring (263) of mating with locking hole (252) on the first upper boom.

16. dust catcher according to claim 15, which is characterized in that be additionally provided with the first upper boom on first upper boom (22) Lower locking hole (264), second locking structure (242) further includes can be set to horizontal sliding relative to the second pedestal (244) Axis pin (266), the axis pin (266) selectively under first upper boom locking hole (264) mating or disengage, second lock Only structure (242) further includes the inner spring that the axis pin (266) is promoted to keep mating with locking hole (264) under first upper boom (268)。

17. dust catcher according to claim 16, which is characterized in that the coefficient of elasticity of the inner spring (268) is less than institute The coefficient of elasticity of the second outer spring (263) is stated, and the original of the inner spring (268) is failed to grow up in second outer spring (263) Original it is long.

18. dust catcher according to claim 14, which is characterized in that when first upper boom (22) continues to drive described One locking structure (170) is moved down into certain position along longitudinally, and the first base pushes the second vertical sliding block (250) phase Second pedestal is moved down, so as to which the described second vertical sliding block (250) promotes second cross slider (246) to drive institute The second locking pin (248) transverse shifting is stated, so that second locking pin (248) is disengaged with locking hole (252) on the first upper boom.

19. dust catcher according to claim 14, which is characterized in that the second vertical sliding block (250) is vertical with described first The structure of sliding block (176) is identical, and second cross slider (246) is identical with the structure of first cross slider (174).