CN103156548A - Blow-suck machine - Google Patents
Blow-suck machine Download PDFInfo
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- CN103156548A CN103156548A CN2011104129662A CN201110412966A CN103156548A CN 103156548 A CN103156548 A CN 103156548A CN 2011104129662 A CN2011104129662 A CN 2011104129662A CN 201110412966 A CN201110412966 A CN 201110412966A CN 103156548 A CN103156548 A CN 103156548A
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- host shell
- brake
- pressure
- blower
- switch
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The invention discloses a blow-suck machine. The blow-suck machine comprises a main machine shell body, a blow-suck accessory, a motor, a fan, a switch device, a control mechanism and a brake mechanism. The blow-suck accessory is connected with the main machine shell body in a detachable mode, the motor is placed in the main machine shell body, and the fan is driven by the motor to revolve. Revolving of the motor is controlled by the switch device, the control mechanism is used for starting the switch device, and the brake mechanism which is connected with an output shaft of the motor is arranged in the main machine shell body. When the blow-suck accessory is separated from the main machine shell body, the brake mechanism can be operated to control the fan so as to stop the fan from revolving. The blow-suck machine is enabled to be safe in operation due to the fact that the brake mechanism is arranged.
Description
Technical field
The present invention relates to a kind of hand-hold operating apparatus, especially a kind of blower.
Background technology
Existing blower, usually with blower, aspiration channel and main body separate design, when needs use blower as hair-dryer, just blower is installed on main body, when needs use blower as vacuum cleaner, blower is dismantled from main body, then aspiration channel and dust leg are installed on main body.What also have is set to the pressure-vaccum annex with blower and the connection of sweep-up pipe one, during duty, the pressure-vaccum annex is installed on main body, and when off working state, the pressure-vaccum annex can be deposited separately from the main body dismounting, and reduces to collect volume.Be generally used for fan under the dust suction pattern when High Rotation Speed with crushing function, can enter dust bag by dust leg after the dusts such as branches and leaves that aspiration channel sucks be pulverized, therefore be provided with sharp-pointed cutter tooth shape structure on the impeller of fan.Thisly blow, aspiration channel and main body are detachable is connected design; make blow, aspiration channel can often can be disassembled; if and when dismounting is contained in the fan of main body still in rotation; the operator will be easy to touch fan and cause injury, and therefore may there be certain potential safety hazard in this blower.
The United States Patent (USP) notification number is that the patent specification of US5604954 has disclosed a kind of blower that is provided with safety locking mechanism, this safety locking mechanism is arranged between the volute and main case that holds fan, volute is connected with main case is detachable, when volute is stopped up by the dirt such as branches and leaves bits, need in time volute and fan are cleared up and safeguarded; Safety locking mechanism comprises a trigger button, when volute is connected with main case, trigger button could carry out work by the actuatable switches starter, and locking member, be used for when motor starting, volute being locked in main case, make the motor of blower in the situation that work, volute can't be dismantled from main case; Must first by mobile trigger button, the blower switch be disconnected, volute could be dismantled from main body, but the moment that switch disconnects, due to its effect of inertia, the motor of drive fan High Rotation Speed still can keep certain rotation speed, and if the operator to open volute when fan still rotates injured than being easier to.
Summary of the invention
For overcoming the deficiencies in the prior art, the invention provides a kind of safe and reliable blower.
For achieving the above object, technical scheme of the present invention is: a kind of blower, comprise: host shell, removably be connected in the pressure-vaccum annex of host shell, be positioned at the motor of host shell, driven the fan of rotation by motor, control the switching device of motor rotation, be used for the controlling organization of trigger switch device, be provided with braking mechanism in described host shell, when described pressure-vaccum annex separated with host shell, described braking mechanism was operationally controlled described fan and is stopped the rotation.
Preferably, described blower is provided with operating grip, described controlling organization is arranged on operating grip, only have when the pressure-vaccum annex is connected in host shell, described controlling organization could trigger described switching device, when the pressure-vaccum annex separated with host shell, described switching device disconnected the control to motor.
Preferably, be provided with safety locking mechanism between described pressure-vaccum annex and host shell, described safety locking mechanism comprises the locking member that is movably set in host shell, and described locking member is selectively locked with the engagement of pressure-vaccum annex.
Preferably, described switching device comprises the switch that is connected with controlling organization, is provided be used to the supporter that triggers described switch on described pressure-vaccum annex.
In another kind of preferred version, described switching device comprises the first switch and the second switch that is series in host shell.
Preferably, described controlling organization comprises the first flip flop equipment that is arranged at operating grip and the second flip flop equipment that is arranged at the pressure-vaccum annex, and when described pressure-vaccum annex was connected in host shell, described the second flip flop equipment triggered described second switch.
Preferably, described operating grip comprises the first operating portion that is arranged at host shell, and the second operating portion that is arranged at the pressure-vaccum annex, and described the first flip flop equipment is arranged at the first operating portion.
Preferably, described pressure-vaccum annex comprises blower and aspiration channel, and wherein aspiration channel is positioned at the top of blower, and described the second operating portion is provided with the stiff end that is connected with aspiration channel, and connecting end with the first operating portion removably connects, described the second flip flop equipment is arranged at and connects end.
Preferably, described second switch is arranged near connecting in the host shell of end, and the perforate that supplies the second flip flop equipment to stretch into host shell and trigger second switch is set on described host shell.
Preferably, described motor has motor output shaft, and described braking mechanism comprises the brake disc that is connected in motor output shaft, and the relative brake mount that is fixedly installed of host shell.
Preferably, be provided with the brake block of pivotable on described brake disc, described brake block selectively separates or butt with described brake mount.
Preferably, described brake block quantity comprises two arc brake sheets that have respectively head end and tail end, is connected by elastic component between another tail end of the head end of one of described two arc brake sheets and described two arc brakes.
Preferably, described brake disc is provided with peripheral wall, and described brake block lays respectively at the peripheral wall inboard and is and is oppositely arranged, and described brake block is respectively equipped with the first arc brake face, and described brake mount is provided with the second arc brake face relative with described the first arc brake face.
In the preferred scheme of another kind, described brake disc comprises with motor output shaft without the first rolling disc in relative rotation, and rotating the second rolling disc of motor output shaft relatively, is provided with elastic component between described the first rolling disc and the second rolling disc.
Preferably, described the first rolling disc is provided with the first slope, and second slope relative with the first slope is set on described the second rolling disc, and the first slope selectively meshes or separates with the second slope.
Preferably, be provided with brake block on described brake mount, be provided with the brake lining relative with brake block on described the first rolling disc, selectively with the second slope engagement or when separating, described brake lining is correspondingly with the brake block butt or separate when described the first slope.
Compared with prior art, blower of the present invention, by in the blower host shell, braking mechanism being set, and when making the pressure-vaccum annex separate with host shell, braking mechanism is operationally controlled fan and is stopped the rotation.Thereby make the operator when dismounting pressure-vaccum annex or pressure-vaccum annex drop from host shell, fan can because of still keeping rotation and not causing injuring the operator, not strengthen the processing safety of blower.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is the front view of first embodiment of the invention blower.
Fig. 2 is the cutaway view of pressure-vaccum owner apparent direction in Fig. 1.
Fig. 3 is the enlarged diagram of the safety locking mechanism of mark B1 in Fig. 2, and this moment, the pressure-vaccum annex was not installed on host shell.
Fig. 4 is the enlarged diagram of the safety locking mechanism of mark B1 in Fig. 2, and this moment, the pressure-vaccum annex just was installed on host shell.
Fig. 5 is the enlarged diagram of the safety locking mechanism of mark B1 in Fig. 2, and this moment, the pressure-vaccum annex was in place in host shell, and switch is in and can triggers state.
Fig. 6 is the enlarged diagram of the braking mechanism of mark B2 in Fig. 2.
Fig. 7 is along the cutaway view of A-A direction braking mechanism in Fig. 6.
Fig. 8 is the cutaway view of the main apparent direction of second embodiment of the invention blower.
Fig. 9 is the enlarged diagram of the safety locking mechanism of mark B3 in Fig. 8.
Figure 10 is the structural representation of safety locking mechanism when in Fig. 9, the pressure-vaccum annex is not connected in host shell.
Figure 11 is the structural representation of safety locking mechanism when in Fig. 9, the pressure-vaccum annex is installed on host shell, and this moment, switch was not in the triggering state.
Figure 12 is the schematic diagram of safety locking mechanism when in Fig. 9, the pressure-vaccum annex is installed and connected in host shell, and this moment, switch was in the triggering state.
Figure 13 is the structural representation when in Fig. 8, pressure-vaccum annex and host shell are in released state.
Figure 14 is the braking mechanism schematic diagram of third embodiment of the invention blower, and this moment, braking mechanism was in on-position.
Figure 15 is the schematic diagram that in Figure 14, braking mechanism is in non-on-position.
Wherein:
1,1 '-blower 139a-suction pipe interface 32-supporter
10-pressure-vaccum annex 139b-blowpipe interface 4-fan
11-aspiration channel 140-the second flip flop equipment 40,40 '-braking mechanism
11a-air inlet 141-projection 41-brake disc
12-blower 141 '-groove 41a-peripheral wall
12a-air outlet 142-perforate 41b-bottom surface
14a-main part 2-host shell 42-brake block
14b-kink 2a-motor shell 42a-brake lining
15-dust outlet tube 2b-volute 43a-head end
16-wind-speed adjusting device 20,20 '-safety locking mechanism 43b-tail end
17-pressure-vaccum switching mechanism 21-locking member 44-perforate
17a-control knob 22-locking bar 45-brake mount
17b-adjusting turnover panel 22a-press section 46-annular wall
The 18-switch 22b-hook 46a-of section brake lining
The 47-extension spring of inclined-plane, 18a-switch contact 22c-top
18b-switch triggering part 241-brake disc 48-pivot
117-first switch 242-the first rolling disc 49-receiving space
Overhanging briquetting 242a-the first slope 5-operating grip of 118-
119-engaging piece 243-second rolling disc 5a-the first operating portion
121-first flip flop equipment 243a-second slope 5b-the second operating portion
121a-switch contact 243b-brake lining 6-wire
121b-the first stop 245-of section brake mount 7-motor drive shaft shaft
121c-the second stop 245a-of section brake block 8-tube wall opening
122-slide block 248-extension spring 9-guider
122a-convex shoulder 25,26-elastic component β-bending angle
The 122b-stop 28-of section control piece X1-the first operating portion axial line
123-spring 28a-operating portion X2-the second operating portion axial line
124-locking mechanism 28b-guide part Y-axle center of motor line
28c-support portion, 124a-press section P1, P2, P3-arrow direction indication
The 124b-hook 3-of section motor Z1-main part axial line
125-spring 31-engaging piece Z2-kink axial line
138-second switch 31a-slope
The specific embodiment
Referring to Fig. 1, shown in Figure 2, blower 1 comprises host shell 2, removably is connected in the pressure-vaccum annex 10 of host shell 2, and operating grip 5.Wherein host shell 2 comprises the motor shell 2a that holds motor 3 and the volute 2b that holds fan 4.The impeller of fan 4 has the function of pulverizing to leaf under High Rotation Speed, motor shell 2a is fixedly connected with volute 2b, the rear end of motor shell 2a connects the wire 6 that promising motor 3 provides power supply, motor 3 is provided with motor output shaft 7, the lower end of volute 2b has connected a dust outlet tube 15, braking mechanism 40 is arranged at an end of motor output shaft 7, the other end with respect to braking mechanism 40 on motor output shaft 7 is provided with fan 4, fan 4 High Rotation Speed and produce Push-pull Flow in volute 2b under the driving effect of motor 3.Pressure-vaccum annex 10 removably connects by safety locking mechanism 20 and host shell 2.Pressure-vaccum annex 10 comprises aspiration channel 11 and blower 12, and wherein aspiration channel 11 ends arrange air inlet 11a, and blower 12 ends are provided with air outlet 12a.Be provided with the first operating portion 5a of operating grip 5 on host shell 2, be provided with the second operating portion 5b of operating grip 5 on pressure-vaccum annex 10.The first operating portion 5a is connected in the top of motor shell 2a and has the end of connecting, and the second operating portion 5b is connected in the top of aspiration channel 11 and has the end that connects that the stiff end that is connected with aspiration channel 11 reaches and the first operating portion 5a removably connects.The first operating portion 5a is consistent with the second operating portion 5b bearing of trend, the first operating portion 5a has the first operating portion axial line X1, the second operating portion 5b has the second operating portion axial line X2, when pressure-vaccum annex 10 is connected in host shell 2, the first operating portion 5a connects end and connects with the second operating portion 5b the integral type operating grip 5 that end docks the formation longitudinal extension, and this moment, the first operating portion axial line X1 and the second operating portion axial line X2 formed a level and smooth camber line.
Be close to the pressure-vaccum switching mechanism 17 of the position setting of dust outlet tube 15 on main body housing 2, it comprises the control knob 17a that host shell 2 outsides are set, and the adjusting turnover panel 17b that is positioned at host shell 2 inside, the operator is as long as regulate according to the direction indication that is shown in product and control 17a, and blower is changed from inhaling between different mode of operations blowing.Rotation control knob 17a is to dotted line position shown in Figure 1, regulate turnover panel 17b rotation to corresponding dotted line position shown in Figure 2, blower 1 is in air-breathing mode, branches and leaves, dust are same as air inlet together with charge air flow one and are inhaled into aspiration channel 11, are admitted to dust leg 15 after pulverizing by the impeller of fan 4.Rotation is regulated turnover panel 17b to solid line position shown in Figure 2, blower 1 is in the blown work pattern, under the High Rotation Speed of fan 4, generation inspiratory airflow as shown by the arrows in Figure 2 enters aspiration channel 11 by the air inlet 11a of aspiration channel 11, the air-flow that sucks is admitted to blower 12 after fan 4, blow out in air outlet 12a at last.In order to embody the air velocity that blows out from air outlet 12a under blow mode, the cross section setting of air outlet 12a is far smaller than the cross section of air inlet 11a usually, and the cross section of blower 11 has a process of successively decreasing gradually along its bearing of trend.Blower 1 is under air-breathing, these two kinds of different mode of operations of blowing, due to the impact into and out of air-flow, blower 1 overall weight and position of centre of gravity all can change, and this moment, the operator can find most suitable mode of operation by the different grip position of selecting or be adjusted at the first grip part 5a.
In the preferred embodiments of the present invention, aspiration channel 11 is fixedly connected with blower 12, and blower 12 is positioned at the downside of aspiration channel 11; When blower 1 is in running order, pressure-vaccum annex 10 is connected in host shell 2, aspiration channel 11 extends to fuselage one side with blower 12, and its bearing of trend almost parallel, and the bearing of trend of dust outlet tube 15 is substantially vertical with the bearing of trend of aspiration channel 11 and blower 12; Aspiration channel 11 is provided with the main part 14a that extends along main part axial line Z1 in bearing of trend, main part 14a end arranges kink 14b, kink 14b has kink axial line Z2, being bending angle β between the main part axial line Z1 of kink axial line Z2 and aspiration channel arranges, the setting of this bending angle β is advisable with the obtuse angle between 90 to 180 degree, and the scope that arranges of the development length of kink 14b is between 5mm to 1m; The development length of blower 12 is large, and the aspiration channel 11 that is arranged so that of kink 14b is satisfying under the condition of safe length to roughly concordant with the crooked place of aspiration channel 11, and the whole development length of aspiration channel 11 has reduced, and therefore the weight of complete machine also alleviate.For the blower that aspiration channel is straight tube, the position of centre of gravity of this blower is come to lower, and when the user carries out singlehanded dust suction operation under erectility, arm can freely stretch, and operation is also more aobvious light; The air inlet 11a of aspiration channel 11 kink 14b is near ground at this moment, and the air inlet 11a of its kink 14b and the air outlet 12a of blower 12 remain in same level substantially, need the place of dust suction as privileged sites such as grade under seat for some, user's easily complete operation of just need not bending over, and the drifting dust effect further improves.
With reference to shown in Figure 2, the top of blower 12 is provided with tube wall opening 8, is provided with a wind-speed adjusting device 16 on the blower 12 near tube wall opening 8 positions, is used for regulating the wind speed that blows out from air outlet 12a under the blowing pattern.Also be provided with an air-out guider 9 between aspiration channel 11 and blower 12, be used for guiding from the flow direction of the air-flow of tube wall opening 8 effusions, make its blurred vision or be inhaled in body in order to avoid air escape blows to the user with the dirt bits.the first operating portion axial line X1 and the second operating portion axial line X2 and axle center of motor line Y are positioned at same plane, the bearing of trend of operating grip 5 is consistent with the bearing of trend of pressure-vaccum annex 10 again simultaneously, it is longer that the length of the first operating portion 5a arranges relative the second operating portion 5b, the first such setting of operating portion 5a length is to facilitate the user no matter blowing, or blow under mode of operation can fill order's hand operated, for the user of different heights, can select to be fit to from the first operating portion 5a the grip position of oneself, thereby grasp the center of gravity of blower, make operation become more light.And the second operating portion 5b is mainly used in pressure-vaccum annex 10 is gripped when main body shell 2 is dismantled or be installed and connected in main body shell 2.
With reference to Fig. 2, shown in Figure 3, safety locking mechanism 20 is arranged between host shell 2 and pressure-vaccum annex 10.Safety locking mechanism 20 comprises the locking member 21 that is movably set in host shell 2, and locking member 21 is selectable locks with 10 engagements of pressure-vaccum annex.Locking member 21 comprises locking bar 22, and the elastic component 25 that supports described locking bar 22.Locking bar 22 comprises the hook 22b of section and the press section 22a that protrudes from host shell 2 surfaces, be provided with engaging piece 31 on pressure-vaccum annex 10, when described pressure-vaccum annex 10 was installed on host shell 2, the hook 22b of section of locking bar 22 and the engaging piece 31 of pressure-vaccum annex 10 be engagement locking automatically under the effect of elastic component 25.Locking bar 22 is in the interior vertical setting of host shell 1, and press section 22a is the top of locking bar 22, is used for the operation author by pressure-controlled, and the hook 22b of section is horizontally set at the middle part of locking bar 22, and wherein the hook 22b of section is provided with inclined-plane, top 22c.Elastic component 25 in present embodiment adopts stage clip, and it is supported in, and the interior accepting groove of host shell 2 is interior also can be stretched along accommodating cell wall, and certain elastic component 25 herein also can adopt other parts replacement with similar functions.Locking bar 22 is positioned on operating grip 5 on host shell 2, and particularly, locking bar 22 is positioned at the medial extremity of operating grip 5 first operating portion 5a, and the operator can operate control easily when gripping the first operating portion 5a.Locking bar 22 has locked position and off-position, and when pressure-vaccum annex 10 was connected in host shell 2, described safety locking mechanism 20 was in locked position.When overcoming the elastic component 25 active forces direction P1 that follows the arrow, the user presses the press section 22a of locking bar 22 to the off-position shown in dotted line (with reference to Fig. 2), locking bar 22 produces displacement at vertical direction because of compression elastic piece 25 in host shell 2, at this moment, when safety locking mechanism 20 is in the off-position, be that the hook 22b of section of locking bar 22 and the engaging piece 31 of pressure-vaccum annex 10 have been thrown off engagement, pressure-vaccum annex 10 can disassemble from host shell 2.
Be fixedly installed engaging piece 31 and supporter 32 on pressure-vaccum annex 10, more specifically, supporter 32 and engaging piece 31 all are arranged at the second operating portion 5b of operating grip 5, the position adjacent with engaging piece 31 is provided with slope 31a in addition, supporter 32 is positioned at the below of engaging piece 31, and relatively blowing, extending certain distance on the direction of extension of aspiration channel 11,12.Be provided for controlling the switch 18 that motor 3 rotates or stops in host shell 2, switch 18 in present embodiment is arranged to the contact switch, switch contact 18a is arranged on the surface of switch one side, and the top of switch contact 18a flexibly arranges switch triggering part 18b.The controlling organization that is used for starting switch 18 comprises the control piece 28 that is arranged at movably on operating grip 5, and supporter 32.In present embodiment, control piece 28 can flatly be arranged on operating grip 5 first operating portion 5a movably, thus handled easily person trigger switch 18 manually.The relative control piece 28 of switch 18 is fixedly connected with.Control piece 28 comprises the operating portion 28a that manually controls for the operator, is positioned at the guide part 28b that move along operating grip 3 shell inner surface operating portion 28a below, and extend operating grip 5 enclosure interior and with the relatively-stationary support portion 28c of switch 18.Switch 18 is fixedly connected with control piece 28 support portion 28c by securing member or alternate manner.
With further reference to shown in Figure 4, when pressure-vaccum annex 10 is connected with host shell 2, at first the supporter 32 that is arranged in the second operating portion 5b inserts the cavity of the first operating portion 5a, then the hook 22b of the section top inclined-plane 22c that is locking bar 22 contacts and fits with engaging piece 31 slope 31a, under operator's pivot action power, the hook 22b of section enters engaging piece 31 along slope 31a and is engaged with.Locking bar 22 was subject to coming under the downward effect of pressure-vaccum annex 10 in the moment that inclined-plane, top 22c contacts with slope 31a, thereby compression elastic piece 25 produces a downward displacement; In the hook 22b of section and engaging piece 31 engagements, elastic component 25 resets, locking bar 22 produces a reverse displacement under elastic component 25 effects, locking bar 22 is just replied its initial position like this, the hook 22b of section and engaging piece 31 are in position of engagement auto lock under elastic component 25 elastic reactions, and pressure-vaccum annex 10 is locked on host shell 2 like this.
With reference to shown in Figure 5, when the operator follows the arrow direction P2 when the operating portion 28a of control piece 28 is moved horizontally to the second place shown in dotted line by the primary importance shown in solid line, guide part 28b moves to correspondingly position in operating grip 5 housings, this moment switch triggering part 18b and the mutual abutment action of supporter 32, and impel switch triggering part 18b strain compressing switch contact 18a, thereby trigger switch 18 starter 3 rotations.And if pressure-vaccum annex 10 is not installed on host shell 2 or pressure-vaccum annex 10 is separated with main casing 2, switch contact 18a can automatically reply and switch 18 disconnections, that is to say that switching device has disconnected motor 3 controls.Certainly, the device that control trigger switch 18 in the present embodiment starts also can adopt induction type or touch control device, after pressure-vaccum annex 10 is connected in host shell 2, this control device can be sensed pressure-vaccum annex 10 and be in place, the operator is as long as can open switch 18 by touching this control device, and separate with host shell 2 when pressure-vaccum annex 10, this control device can automatic disconnection switch 18, and 40 of braking mechanisms produce braking actions.
With reference to Fig. 6, shown in Figure 7, braking mechanism 40 comprises brake disc 41 and the brake mount 45 that is oppositely arranged, and wherein brake disc 41 without being connected on motor output shaft 7 with relatively rotating, and brake mount 45 is fixedly connected in host shell 2.Brake disc 41 comprises bottom surface 41b and the annular peripheral 41a that is extended to a side by bottom surface 41b, and wherein peripheral wall 41a and bottom surface 41b surround a receiving space 49 jointly, and the inboard of peripheral wall 41a is movably set with brake block 42.The quantity of the brake block 42 in the present embodiment comprises two, two brake blocks 42 curved and on brake disc 41 over against setting.Brake mount 45 is arranged to round, is provided with the annular wall 46 that extends into receiving space 49 to brake disc 41 directions on this round, and the peripheral surface of this annular wall 46 is provided with brake lining 46a.The brake lining 42a of two arc brake sheets 42 and the brake lining 46a of brake mount 45 are oppositely arranged.Certainly, as required, brake lining 42a, 46a also can adopt skid to substitute.
Two arc brake sheets 42 have respectively head end 43a and tail end 43b, and perforate 44 is set on head end 43a, and tail end 43b is connected and fixed on respectively on the pivot 48 of brake disc 41, is provided with elastic component between the head end 43a of brake block 42 and tail end 43b.Elastic component in the present embodiment is extension spring 47, and extension spring 47 also can be replaced with other elastomeric element with similar functions certainly.Extension spring 47 1 ends are connected in brake block 42 head end 43a by perforate 44, and the other end is connected on pivot 48.The inoperative situation, two brake blocks that are oppositely arranged 42 are under the pulling force effect of extension spring 47, brake block 42 brake lining 42a are close to the brake lining 45 of brake mount 45, that is to say, be in non-started state at motor 3, the mutual butt of brake lining 45 of brake block 42 brake lining 42a and brake mount 45 and be in on-position.When motor 3 is controlled the startup rotation, brake disc 41 namely goes out defeated 7 rotations with axle, brake block 42 overcame extension spring 47 active forces and rotated to brake lining 45 directions that depart from brake mount 45 relative to separately pivot 48 respectively under centrifugal action this moment, the brake lining 45 of brake block 42 brake lining 42a and brake mount 45 is separated from each other, be that on-position is disengaged, so the setting of braking mechanism 40 does not affect the normal operation of motor 3.Motor 3 is in the situation that run up, in case controlling the switch 18 of motor 3 rotations is disconnected, the rotating speed of motor 3 is namely by high step-down, at this moment, brake block 42 is because centrifugal force fades away, be subjected to simultaneously extension spring 47 the pulling force effect and near brake mount 45 brake lining 46a direction pivotables, until produce braking with brake mount 45 brake lining 46a butts.Therefore when pressure-vaccum annex 10 during from host shell 2 dismountings or separation, switch 18 automatic disconnections, motor output shaft 7 can be braked at short notice, thereby the fan 4 that is driven by motor output shaft 7 is stopped operating, avoid the operator easily to touch the risk of rotary fan 4 when dismounting pressure-vaccum pipe.
With reference to Fig. 8, shown in Figure 9, be the second embodiment of the present invention, wherein in the blower 1 ' in the second embodiment and the first embodiment, blower 1 structure is substantially similar, and therefore identical parts represent not do to give unnecessary details with same label.Difference mainly is syndeton and the braking mechanism 40 ' between pressure-vaccum annex 10 and host shell 2, and different structures represents with different labels.Be provided with in host shell 2 for the switching device of controlling motor 3, the switching device in the present embodiment comprises the first switch 117 and the second switch 138 that series connection arranges.The first switch 117 is arranged near in the host shell 2 of operating grip 5, is provided with on operating grip 5 for the first flip flop equipment 121 that triggers the first switch 117.Second switch 138 is arranged near pressure-vaccum annex 10 and connects in the host shell 2 of end, and the end that connects of pressure-vaccum annex 10 is provided with for the second flip flop equipment 140 that triggers second switch 138.Braking mechanism 40 ' is arranged at an end relative with fan 4 on motor output shaft 7.
With further reference to Figure 10, Figure 11, and Figure 12, safety locking mechanism 20 ' comprises movable the first flip flop equipment 121, locking mechanism 124 and the slide block 122 that arranges of relative handle 5.Wherein the top of the first flip flop equipment 121 protrudes from the surface of handle 5 housings, facilitates the user to operate control.The operator can move to the first flip flop equipment 121 according to 3 direction indications of arrow P in Figure 11 the second place of triggering shown in Figure 12 the first switch 117.The first flip flop equipment 121 comprises switch contact 121a, the first stop 121b of section, the second stop 121c of section.Locking mechanism 124 is provided with the press section 124a that protrudes from handle 5 housings, and be used for the hook 124b of section with 10 engagements of pressure-vaccum annex, the lower end of locking mechanism 124 is provided with spring 125, and this spring 125 can make locking mechanism 124 move up and down in handle 5 housings under the 124a application of force effect of press section.The upper end of slide block 122 is provided with the stop 122b of section, and the middle part is provided with convex shoulder 122a, and the lower end of slide block 122 is provided with spring 123.
With further reference to Figure 13, the position that the aspiration channel 11 of pressure-vaccum annex 10 is connected with host shell 2 arranges an overhanging briquetting 118, and the inboard of overhanging briquetting 118 is provided for the engaging piece 119 that is connected with the hook 124b of section.When pressure-vaccum annex 10 and main body housing 2 are separated, slide block 122 is being under the supporting role of spring 123 under original state, the slide block 122 stop 122b of the section sides of this moment and the stop 121b of section of the first flip flop equipment 121 offset, and have stoped the slip of the first flip flop equipment 121; This moment can be by forcing in locking mechanism 124 press section 124a downwards to overcome spring 125 elastic forces, locking mechanism 124 is moved down in host shell, when locking mechanism 124 was in the position that moves down, the hook 124b of section of locking mechanism 124 can be meshed with the engaging piece 119 of pressure-vaccum annex 10 easily and be connected.
The second flip flop equipment 140 in the present embodiment is frizzen, and it is arranged at the end that connects of the second operating portion 5b.When needs are installed on host shell 2 with pressure-vaccum annex 10, first the groove 141 ' of blower 12 and the bottom projection 414 of blowpipe interface 139b are meshed, like this, the weight of pressure-vaccum annex 10 just has a support, that is to say the operator can this position of engagement as the pivot point of pressure-vaccum annex 10, the first operating portion 5a of proficiency holding operation handle 5, another grasped the second operating portion 5b, make pressure-vaccum annex 10 near the direction rotation of host shell 2 until pressure-vaccum annex 10 is locked on host shell 2.Second switch 138 is arranged near the second operating portion 5b and connects in the host shell 2 of end, is provided with the perforate 142 of stretching into and trigger second switch 138 for frizzen 140 on host shell 2.When the first operating portion 5a and the second operating portion 5b connected as one, the triggering shell fragment that frizzen 140 touches second switches 138 caused second switch 138 conductings.
When pressure-vaccum annex 10 is installed and connected in host shell 2, the overhanging briquetting 118 of pressure-vaccum annex 10 stretches in host shell 2, just in time the convex shoulder 122a with slide block 122 interacts, convex shoulder 122a is subjected to the driving of overhanging briquetting 118, impel slide block 122 to overcome the elastic force down sliding of spring 123, this moment, the stop 122b of section of slide block 122 and the stop 121b of section of flip flop equipment 121 threw off mutually, and then allowed the first flip flop equipment 121 to slide into to make contact 121a actuate the second place of the first switch 117.
When the first flip flop equipment 121 moves to the second place, the stop 121c of section of the first flip flop equipment 21 be positioned at locking mechanism 124 press section 124a under, stoped locking mechanism 124 to move down, the hook 124b of section of locking mechanism 124 and the engaging piece 119 of pressure-vaccum annex 10 are in the engagement lock-out state at this moment, and, as long as when the first switch 117 is in the triggering state, pressure-vaccum annex 10 just can't be from host shell 2 dismounting, avoids dropping from host shell 2 when the duty because of pressure-vaccum annex 10.Even blower 1 ' accidentally drops in operating process or drops in ground, pressure-vaccum annex 10 and host shell 2 are separated, this moment second, flip flop equipment 140 can make due to the separation of pressure-vaccum annex 10 second switch 138 disconnect, thereby made the switching device interruption to the control of motor 3.the inclined-plane is arranged in the upper surface of the stop 122b of section of slide block 122, also consider the operator just in case carry out maloperation, not namely according to normal dismounting mode, first flip flop equipment is moved to the primary importance of non-triggering state, and then press locking device 24, take off pressure-vaccum annex 10, but use rough power directly pressure-vaccum annex 10 to be dismantled from host shell 2, this moment, slide block 122 meetings upwards be lifted under the effect of spring 123, the stop 121b of section that the stop 122b of the section inclined-plane of slide block 122 will promote trigger mechanism 121 moves to the primary importance of non-triggering state, thereby effectively disconnected switching device.
Only have when pressure-vaccum annex 10 is connected in host shell 2, switching device could carry out work by starter 3.When described pressure-vaccum annex 10 separated from host shell 2, switching device namely disconnected the control to motor 3.That is to say, when described pressure-vaccum annex 10 is connected in host shell 2, second switch 138 is triggered by the second flip flop equipment 140, trigger the first switches 117 by operation setting first flip flop equipment 121 of 5 on operating grip again, thereby make the switch of two series connection in switching device all be switched on and make motor 3 startup work.
With further reference to Figure 14, shown in Figure 15, braking mechanism 40 ' comprises brake disc 241 and the brake mount 245 that is oppositely arranged, wherein brake disc 241 is connected on motor output shaft 7, brake mount 245 is fixedly connected in host shell 2, relatively on the end face of brake disc 241, brake block 245a is set on brake mount 245.Brake disc 241 comprises without the second rolling disc 243 that is arranged at the first rolling disc 242 of motor output shaft 7 and is arranged at rotatably motor output shaft with relatively rotating.Be connected with elastic component between the first rolling disc 242 and the second rolling disc 243, this elastic component preferably adopts stage clip 248, and is sheathed on motor drive shaft shaft 7 between the first rolling disc 242 and the second rolling disc 243.The first rolling disc 242 is provided with the first slope 242a, is provided with the second slope 243a relative with the first slope 242a on the second rolling disc 243, in addition, is provided with brake lining 243b on the position relative with brake block 245a on the second rolling disc 243.When motor 3 is under off working state, the first slope 242a is meshed under the effect of extension spring 248 with the second slope 243a, this moment the brake lining 243b on the second rolling disc 243 with the mutual butt of brake block 245a on brake mount 245, namely motor is exported defeated 7 and is in the prevention state.When motor 3 starts rotation, motor output shaft 7 drives the first rolling disc 242 rotations, this moment is due to motor output shaft 7 rotations relatively of the second rolling disc 243, therefore when the first slope 242a of the first rolling disc 242 rotates, the slippage that makes relative the first slope 242a of the second slope 243a produce a direction as shown in arrow in Figure 15 under extension spring 248 effects, thereby make brake lining 243b and brake block 245a throw off butt, the braking of motor output shaft 7 is cancelled.
In case pressure-vaccum annex 10 is from host shell 2 dismountings or separation, the second flip flop equipment 140 just can stop the triggering to second switch 138, thereby make switching device disconnect control to motor 3, the rotating speed of motor 3 is namely by high step-down, at this moment, braking mechanism 40 ' is under the active force of extension spring 248, the first slope 242a and the second slope 243a recover engagement, and make the brake lining 3b of the second brake disc 243 and the mutual butt of brake block 245a of brake mount 245, thereby motor output shaft 7 is braked, thereby guaranteed operator's safety when dismounting pressure-vaccum pipe.
Certainly, if necessary, volute 2b and motor shell 2a in the embodiment of the present invention can make flexible connection, and the power set of drive fan 4 also can substitute with steam engine, internal combustion engine or power brick; Blower 12 also can independently arrange with aspiration channel 11, be connected with host shell respectively, also blower 12 can be merged with aspiration channel 11 and be arranged to the pressure-vaccum airduct of single gas channel, and be provided with the main part that extends longitudinally and be with main part the kink that angle arranges on this pressure-vaccum airduct; Above-mentioned pressure-vaccum airduct or the kink body of aspiration channel 12 can be arranged to the body of flat, cylindrical, taper, trapezoidal or any suitable bending.More than being similar to dependency structure of the present invention is all the claimed design concepts of the present invention.
Claims (16)
1. blower, comprise: host shell, removably be connected in the pressure-vaccum annex of host shell, be positioned at the motor of host shell, driven the fan of rotation by motor, control the switching device of motor rotation, the controlling organization that is used for the trigger switch device, it is characterized in that: be provided with braking mechanism in described host shell, when described pressure-vaccum annex separated with host shell, described braking mechanism was operationally controlled described fan and is stopped the rotation.
2. blower according to claim 1, it is characterized in that: described blower is provided with operating grip, described controlling organization is arranged on operating grip, only have when the pressure-vaccum annex is connected in host shell, described controlling organization could trigger described switching device, when the pressure-vaccum annex separated with host shell, described switching device disconnected the control to motor.
3. blower according to claim 1 and 2, it is characterized in that: be provided with safety locking mechanism between described pressure-vaccum annex and host shell, described safety locking mechanism comprises the locking member that is movably set in host shell, and described locking member is selectively locked with the engagement of pressure-vaccum annex.
4. blower according to claim 2, it is characterized in that: described switching device comprises the switch that is connected with controlling organization, is provided be used to the supporter that triggers described switch on described pressure-vaccum annex.
5. blower according to claim 2 is characterized in that: described switching device comprises the first switch and the second switch that is series in host shell.
6. blower according to claim 5, it is characterized in that: described controlling organization comprises the first flip flop equipment that is arranged at operating grip and the second flip flop equipment that is arranged at the pressure-vaccum annex, when described pressure-vaccum annex was connected in host shell, described the second flip flop equipment triggered described second switch.
7. blower according to claim 6, it is characterized in that: described operating grip comprises the first operating portion that is arranged at host shell, and the second operating portion that is arranged at the pressure-vaccum annex, described the first flip flop equipment is arranged at the first operating portion.
8. blower according to claim 7, it is characterized in that: described pressure-vaccum annex comprises blower and aspiration channel, wherein aspiration channel is positioned at the top of blower, described the second operating portion is provided with the stiff end that is connected with aspiration channel, and connecting end with the first operating portion removably connects, described the second flip flop equipment is arranged at and connects end.
9. blower according to claim 8 is characterized in that: described second switch is arranged near connecting in the host shell of end, arranges on described host shell for the second flip flop equipment to stretch into host shell and trigger the perforate of second switch.
10. blower according to claim 1, it is characterized in that: described motor has motor output shaft, and described braking mechanism comprises the brake disc that is connected in motor output shaft, and the brake mount that is fixedly installed of host shell relatively.
11. blower according to claim 10 is characterized in that: be provided with the brake block of pivotable on described brake disc, described brake block selectively separates or butt with described brake mount.
12. blower according to claim 11, it is characterized in that: described brake block quantity comprises two arc brake sheets that have respectively head end and tail end, is connected by elastic component between another tail end of the head end of one of described two arc brake sheets and described two arc brakes.
13. blower according to claim 12, it is characterized in that: described brake disc is provided with peripheral wall, described brake block lays respectively at the peripheral wall inboard and is and is oppositely arranged, described brake block is respectively equipped with the first arc brake face, and described brake mount is provided with the second arc brake face relative with described the first arc brake face.
14. blower according to claim 10, it is characterized in that: described brake disc comprises with motor output shaft without the first rolling disc in relative rotation, and relative rotating the second rolling disc of motor output shaft, be provided with elastic component between described the first rolling disc and the second rolling disc.
15. blower according to claim 14, it is characterized in that: described the first rolling disc is provided with the first slope, second slope relative with the first slope is set on described the second rolling disc, and the first slope selectively meshes or separates with the second slope.
16. blower according to claim 15, it is characterized in that: be provided with brake block on described brake mount, be provided with the brake lining relative with brake block on described the first rolling disc, selectively with the second slope engagement or when separating, described brake lining is correspondingly with the brake block butt or separate when described the first slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110412966.2A CN103156548B (en) | 2011-12-13 | 2011-12-13 | Blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110412966.2A CN103156548B (en) | 2011-12-13 | 2011-12-13 | Blower |
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| Publication Number | Publication Date |
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| CN103156548A true CN103156548A (en) | 2013-06-19 |
| CN103156548B CN103156548B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110412966.2A Active CN103156548B (en) | 2011-12-13 | 2011-12-13 | Blower |
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| CN103345294A (en) * | 2013-07-16 | 2013-10-09 | 迈柯唯医疗设备(苏州)有限公司 | Manual control mechanism capable of being stopped freely |
| CN105648956A (en) * | 2014-11-11 | 2016-06-08 | 苏州宝时得电动工具有限公司 | Blowing and sucking machine |
| CN105648960A (en) * | 2014-11-28 | 2016-06-08 | 苏州宝时得电动工具有限公司 | Blowing and sucking device |
| CN105673528A (en) * | 2014-11-18 | 2016-06-15 | 创科户外产品技术有限公司 | Electric tool |
| CN105862641A (en) * | 2016-06-16 | 2016-08-17 | 天佑电器（苏州）有限公司 | Electric gardening tool with power-off delay protection function |
| CN106149603A (en) * | 2014-11-28 | 2016-11-23 | 苏州宝时得电动工具有限公司 | Suction and blowing device |
| WO2017124627A1 (en) * | 2016-01-20 | 2017-07-27 | 江苏美的清洁电器股份有限公司 | Vacuum cleaner |
| CN107397507A (en) * | 2016-05-20 | 2017-11-28 | 苏州宝时得电动工具有限公司 | Blower and its brake method |
| CN107414106A (en) * | 2017-08-11 | 2017-12-01 | 安徽聚合自动化工程有限公司 | A kind of mainshaft mechanism of new digital-control boring-milling machine |
| CN108240345A (en) * | 2016-12-23 | 2018-07-03 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN112890664A (en) * | 2021-01-15 | 2021-06-04 | 项红梅 | Vehicle-mounted dust collector |
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| CN103345294A (en) * | 2013-07-16 | 2013-10-09 | 迈柯唯医疗设备(苏州)有限公司 | Manual control mechanism capable of being stopped freely |
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| CN105673528A (en) * | 2014-11-18 | 2016-06-15 | 创科户外产品技术有限公司 | Electric tool |
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| CN105862641A (en) * | 2016-06-16 | 2016-08-17 | 天佑电器（苏州）有限公司 | Electric gardening tool with power-off delay protection function |
| CN108240345A (en) * | 2016-12-23 | 2018-07-03 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN108240345B (en) * | 2016-12-23 | 2024-02-20 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN107414106A (en) * | 2017-08-11 | 2017-12-01 | 安徽聚合自动化工程有限公司 | A kind of mainshaft mechanism of new digital-control boring-milling machine |
| CN112890664A (en) * | 2021-01-15 | 2021-06-04 | 项红梅 | Vehicle-mounted dust collector |
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