CN201077971Y

CN201077971Y - Pressure-vaccum machine

Info

Publication number: CN201077971Y
Application number: CNU2007200406487U
Authority: CN
Inventors: 保罗·安德罗
Original assignee: Positec Power Tools Suzhou Co Ltd
Current assignee: Positec Power Tools Suzhou Co Ltd
Priority date: 2007-07-11
Filing date: 2007-07-11
Publication date: 2008-06-25
Anticipated expiration: 2017-07-11

Abstract

The utility model relates to a portable blowing-suction machine, which comprises a main body casing body, a motor arranged in the main body casing body, a fan driven by the motor, and an air blowing pipe and an air absorbing pipe which are connected with the main body casing body, and an operation handle arranged on the main body casing body. The operation handle comprises two connecting parts connected with the main body casing body, and a cantilever beam structure continuously arranged between the two connecting parts, the continuous cantilever beam comprises a first holding part and a second holding part, the central lines of the first connecting part and the first holding part are positioned in a first plane, the central lines of the second connecting part and the second holding part are positioned in a second plane, and the first plane and the second plane are arranged in certain angle.

Description

Blower

Technical field

The utility model relates to a kind of hand-hold operating apparatus, especially a kind of portable blower.

Background technology

Existing garden blower, two kinds of handles of main handle and assist handle are set on host shell usually, under the blown work pattern, the user is by gripping main handle fill order hand operation, the leaf that the high velocity air that blows out from gas blow pipe will become scattered about ground blows and holds together to gather heap, and the pressure-vaccum function of this moment is used as the drifting dust machine; Under the dust suction mode of operation, the powerful dust-absorbing airflow that fan rotates generation is at a high speed being carried dirt bits such as branches and leaves secretly and is being entered the admission pipe pipeline from the dust suction port of admission pipe, make blower complete machine weight obviously increase, for keeping stable duty under the dust suction pattern, the user must grip main handle on the other hand, another hand grips assist handle and carries out bimanualness, and the blower of this moment can be used as vacuum cleaner and uses.

Disclosed a kind of blower as United States Patent (USP) notification number US4870714 patent specification, be provided with main handle and assist handle on its host shell, main handle is one to be positioned at the D shape handle of housing top, assist handle is positioned at the downside of main handle, bearing of trend when the bearing of trend when gas blow pipe is installed on host shell is installed on host shell with aspiration channel is vertical mutually, under the blown work pattern, the user can grip the connecting portion fill order hand operation that is parallel to the gas blow pipe bearing of trend on the D shape handle; Under the dust suction pattern, the user grips the connecting portion that is parallel to the aspiration channel bearing of trend on the D shape handle on the other hand, and another hand grips assist handle and carries out bimanualness.

The main handle of the blower that preceding case is disclosed has two connecting portions that are connected with casing, and a plurality of grip parts between two connecting portions, and a plurality of grip parts all are arranged in the same plane, in addition again by the assist handle vertical with the plane is set, just make blower to be converted single, double hand operation between the function blowing, inhale, but the blower handle so is arranged so that its structure complicated, inconvenient operation that becomes, and complete machine weight also increases.

The utility model content

For overcoming the deficiencies in the prior art, the utility model provides a kind of compact conformation, light and handy and operate comfortable blower.

The utility model is achieved in that a kind of blower, comprise host shell, be arranged at the motor in the housing, drive the fan of rotation by motor, gas blow pipe, admission pipe, and the operating grip that is arranged at host shell, described operating grip comprises two connecting portions that are arranged at host shell, and be arranged at two continuous suspension girder structures between the connecting portion, described continuous suspension girder structure comprises at least two grip parts, the described first connecting portion center line X1 and the first grip part center line Y1 are positioned at first plane, and the described second connecting portion center line X2 and the second grip part center line Y2 are positioned at second plane, and described first plane and second plane are the angle setting.

At right angles be provided with between described first plane and second plane; The bearing of trend of the bearing of trend of described first grip part and second grip part is perpendicular; Between described first grip part and second grip part pars intermedia is set, described host shell comprises motor shell and volute, described second holding area is in the top of motor shell, and the bearing of trend of second grip part is consistent with the longitudinal extension direction of motor shell, and development length is suitable; Described first holding area is in a side of motor shell.

Described host shell is provided with air inlet port, and gas outlet, described gas outlet are selectively with gas blow pipe or go out the dirt device and be connected.Described air inlet port selectively with admission pipe or grill cover is connected; The cross section of described air inlet port is greater than the cross section of gas outlet; The bearing of trend of described gas blow pipe and the bearing of trend of admission pipe are perpendicular.

Compared with prior art, the beneficial effects of the utility model are: because host shell is provided with the single operation handle, make simple in structure, light and handy; Because first, second grip part is positioned at two orthogonal planes respectively, and first grip part is consistent with the gas blow pipe bearing of trend, make the operator under blow mode to be hold by one hand first grip part when operating, grasp the machine balance easily; Wherein second grip part has certain length on its bearing of trend, makes the operator can be adjusted at the grip position on second grip part when air-breathing mode is carried out bimanualness, thereby adjusts the suitable distance between the both arms, makes that operation is more comfortable.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is that the solid of the utility model blower main part is shown view.

Fig. 2 is that this shows view according to Fig. 2 with the solid of blower main part Rotate 180 degree layback apparent direction.

Fig. 3 is that the blower main part is installed after the gas blow pipe in the blow mode manual schematic diagram that places an order.

Fig. 4 is the schematic diagram that the blower main part is installed aspiration channel bimanualness under the dust suction pattern afterwards.

Wherein:

1, air feeder 6, cable X1, connecting portion center line

2, host shell 7, air inlet port X2, grip part center line

2 a, motor shell 8, gas outlet Y1, connecting portion center line

2b, volute 10, vacuum cleaner Y2, grip part center line

3, grill cover 13, gas blow pipe u, top

4, fan 13a, air inlet port d, below

5, operating grip 13b, air blowing port f, the place ahead

5a, the first connecting portion 13c, body b, rear

5b, second connecting portion 14, admission pipe

5c, the first grip part 14a, the port of giving vent to anger

5d, pars intermedia 14b, air inlet port

5e, the second grip part 14c, body

The specific embodiment

The utility model has come out with a kind of portable blower, this pressure-vaccum function is changed between air blowing and two kinds of different mode of operations of dust suction, the operator only need just can realize fast blowing, absorb and change by changing the pressure-vaccum annex simply, apace, and can guarantee that blower is blowing, inhaling under the mode of operation executable operations cosily.

Referring to Fig. 1, shown in Figure 2, blower is provided with host shell 2, it comprises motor shell 2a that holds the motor (not shown) and the volute 2b that holds fan 4, fan 4 drives rotation by motor, wherein volute 2b is the housing of an annular, when fan 4 rotates at a high speed in volute 2b, the air-flow that produces rotates in volute 2b, wherein the impeller of fan 4 has the function of pulverizing to leaf under the rotation at a high speed, flexibly connect between volute 2b and the motor shell 2a or fixedly connected, can certainly be integrally formed, the side that volute 2b goes up relative motor shell 2a is provided with air inlet port 7, one gas outlet 8 is set on the cross section of annular volute 2b, air inlet port 7 is big to vertical with the open cross-section at 8 places, gas outlet, wherein the cross section of air inlet port 7 is greater than the cross section of gas outlet, and the rear end of motor shell 2a connects the cable 6 that promising motor provides power supply in addition; One operating grip that is used to grip 5 is set on the host shell 2, operating grip 5 comprises the first connecting portion 5a that is connected in motor shell 2a end, and the second connecting portion 5b that is arranged at motor shell 2a and volute 2b adjacent position, and be arranged at two suspension beam structures between connecting portion 5a, the 5b continuously, described continuous suspension beam structure comprises the first grip part 5c successively, the pars intermedia 5d and the second grip part 5e.The indicated direction u of arrow is expressed as the top among Fig. 1, d is expressed as the below, b is expressed as the rear, f represents the place ahead, wherein motor shell 2a is along the fore-and-aft direction longitudinal extension, the first grip part 5c be positioned at motor shell 2a directly over, and the first grip part 5c is by the side of pars intermedia 5d deflection motor shell 2a; In this preferential embodiment, the first connecting portion 5a center line X1 and the first grip part 5c center line X2 have defined one first plane, the second connecting portion 5b center line Y1 and the second grip part 5e center line Y2 have defined one second plane, as can be seen from Figure 1, the second connecting portion 5b center line Y1 is big to substantially parallel with the longitudinal extension direction of motor shell 2a with second plane that the second grip part 5e center line Y2 constitutes, as can be seen from Figure 2, first plane that the first connecting portion 5a center line X1 and the first grip part 5c center line X2 constitute and the longitudinal extension direction of motor shell 2a are perpendicular, that is to say between first plane and second plane to be the angle setting, and to be that 90 degree are vertical between two planes be provided with.

With reference to shown in Figure 3,8 positions, gas outlet of volute 2b have connected a gas blow pipe 13, gas blow pipe 13 is provided with two port one 3a, 13b, between two ports, be extended with one section gas blow pipe body 13c, one of them is the air inlet port 13a that is connected conducting with gas outlet 8, and the another port is the port 13b that gives vent to anger, and openings of sizes and the gas outlet 8 of air inlet port 13a are complementary; And the air inlet port 7 of volute 2b is covered by a big or small with it ring grille cover 3 that mates, the grid gap of grill cover 3 allows that ambient atmosphere enters volute 2b, and the hand that has stoped the operator stretches in the volute 2b and avoid the injury of the fan 4 of rotation at a high speed, thus the safety when having guaranteed operation; One-handed performance pattern shown in the figure is the blown work pattern, the blower of this moment uses as air feeder 1, under fan rotates at a high speed, ambient atmosphere enters volute 2b inside by the grid gap, the high velocity air that produces enters gas blow pipe body 13c by gas outlet 8 again along the rotation of volute 2b inner chamber, blows out from the port 13b that gives vent to anger at last; Usually give vent to anger the cross section of port 13b less than the cross section of air inlet port 13a, and the cross section of gas blow pipe 13 has a process of successively decreasing gradually along its bearing of trend, such setting is to help improving the wind speed that blows out from the port 13b that gives vent to anger.

In the blown work state shown in Fig. 3, the first grip part 5c is positioned at the top (with reference to Fig. 1) of motor shell 2a, the bearing of trend of gas blow pipe 13 and the first grip part 5c basically identical, the operator only needs the just executable operations like a cork with the first grip part 5c that is hold by one hand operating grip 5; Certainly, the holding area can that the operator is gripped be more comfortable by elasticity or soft bed course are set.

With reference to shown in Figure 4, air inlet port 7 positions of volute 2b have connected a sweep-up pipe 14, sweep-up pipe 14 is provided with two port one 4a, 14b, between two ports, be extended with one section sweep-up pipe body 14c, one of them is for being connected the port 14a that gives vent to anger of conducting with air inlet port 7, the another port is air inlet port 14b, and openings of sizes and the air inlet port 7 of the port 14a that gives vent to anger are complementary; 8 positions, gas outlet of volute 2b have then connected a dust collect plant (not shown), and dust collect plant can be the cloth bag of shoulder straddle type; Bimanualness pattern shown in the figure is the dust suction mode of operation, the blower of this moment uses as vacuum cleaner 10, under the high speed rotation of fan 4, the dust-absorbing airflow that produces is being carried branches and leaves secretly, dust enters dust suction body 14c by the air inlet port 14b of sweep-up pipe 14, after the impeller of fan 4 is admitted to dust collect plant after pulverizing.

In the dust suction state shown in Fig. 4, the bearing of trend of the second grip part 5e of operating grip 5 and the bearing of trend basically identical of sweep-up pipe 15, the dust-absorbing airflow that fan 4 produces when rotating is at a high speed being carried dirt bits such as branches and leaves secretly and is being entered dust suction body 14c from air inlet port 14b together, this moment, the weight of vacuum cleaner increased to some extent, position of centre of gravity drops near the volute 2b, for keeping stable duty under the dust suction pattern, the operator is with the first grip part 5c of proficiency holding operation handle 5, another hand grips the second grip part 5e, just can carry out bimanualness like a cork.In the preferred embodiment of the present utility model; the first grip part 5c is arranged to have certain radian; the second grip part 5e has certain development length and is provided with a little bending in the middle part of its development length; the whole development length of the second grip part 5e length with the longitudinally of motor shell 2a at least is suitable; certainly; the second grip part 5e can also be arranged to level and smooth arc line type, or linear pattern all is a protection domain of the present utility model.Wherein, pars intermedia 5d is a transition between the first grip part 5c and the second grip part 5e, it is positioned at top and bearing of trend and the roughly at right angles setting of the second grip part 5e of motor shell 2a, and if desired, pars intermedia 5d also provides a position that can grip.Usually, the operator is carrying out bimanualness person, the spacing of both arms and shoulder when wide be more laborsaving, also be pleasant operating position; Operating grip 5 settings like this are the use habits for the operator who satisfies different heights, the operator is when gripping the second grip part 5e, can select position near the first grip part 5c, also can select from the first grip part 5c position more a little further, select a grip position that is fit to oneself cosily to operate thereby adjust the both arms spacing.

The portable blower that the utility model discloses can be changed between air blowing and two kinds of different mode of operations of dust suction fast, on Fig. 1, host shell shown in Figure 2, install respectively blow, adsorption piece, just can be assembled into air feeder, vacuum cleaner with difference in functionality; When needs are carried out the air blowing operation, only need install grill cover 3 at the air inlet port 7 of host shell, 8 install gas blow pipe 13 in the gas outlet, wherein concrete installation and ways of connecting can adopt being threaded that those skilled in the art are familiar with, bolt-type connects, buckle connections etc. repeat no more herein; When needs are carried out the dust suction operation, grill cover 3 is taken off, admission pipe 14 is installed on this air inlet port 7 positions, gas blow pipe 13 is taken off, will go out the dirt device and be installed on this 8 positions, gas outlet.

Claims

1. blower, comprise host shell (2), be arranged at the motor in the housing, drive the fan (4) of rotation by motor, gas blow pipe (13), admission pipe (14), and the operating grip (5) that is arranged at host shell, it is characterized in that: described operating grip (5) comprises two connecting portion (5a that are arranged at host shell, 5b), and be arranged at two suspension beam structures between the connecting portion continuously, described continuous suspension beam structure comprises first grip part (5c) and second grip part (5d), wherein, second plane of first plane of the described first connecting portion center line (X1) and the first grip part center line (Y1) formation and the second connecting portion center line (X2) and the formation of the second grip part center line (Y2) is the angle setting.

2. blower according to claim 1 is characterized in that: the angle between described first plane and second plane is arranged to the right angle.

3. blower according to claim 1 is characterized in that: the bearing of trend of the bearing of trend of described first grip part (5c) and second grip part (5d) is perpendicular.

4. blower according to claim 3 is characterized in that: between described first grip part (5c) and second grip part (5d) pars intermedia (5d) is set.

5. blower according to claim 1, it is characterized in that: described host shell (2) comprises motor shell (2a) and volute (2b), described second grip part (5d) is positioned at the motor shell (top of 2a, and the bearing of trend of second grip part (5d) is consistent with the longitudinal extension direction of motor shell (2a), and the development length of the development length of second grip part (5d) and motor shell (2a) is suitable.

6. blower according to claim 5 is characterized in that: described first grip part (5c) is positioned at a side of motor shell (2a).

7. blower according to claim 1 is characterized in that: described host shell (2) is provided with air inlet port (7), and gas outlet (8), described gas outlet (8) are selectively with gas blow pipe (13) or go out the dirt device and be connected.

8. blower according to claim 7 is characterized in that: described air inlet port (7) selectively with admission pipe (14) or grill cover (3) is connected.

9. blower according to claim 7 is characterized in that: the cross section of described air inlet port (7) is greater than the cross section of gas outlet (8).

10. blower according to claim 8 is characterized in that: the bearing of trend of the bearing of trend of described gas blow pipe (13) and admission pipe (14) is perpendicular.