A kind of hair-dryer handle convenient to operation
Technical field
The present invention relates to hair-dryer technical field, particularly relate to a kind of hair-dryer handle convenient to operation.
Background technology
Garden instrument hair-dryer is primarily used to purge fallen leaves, road dust, hydrops, accumulated snow and forest extinguishing.
Hair-dryer is provided with one for the joystick controlling hair-dryer, the handle of prior art mainly includes housing, big trigger, little trigger, very fast trigger and speed governing knob, big trigger and little trigger lay respectively at the upper and lower position of housing, very fast trigger and big somewhat distance between trigger and little trigger, and speed governing knob is farther with the distance of little trigger from big trigger.The joystick of said structure is in use, operator needs the right hand to pin big trigger simultaneously and little trigger just can make blower fan work, when speed is adjusted to very fast by needs, need to extend right hand thumb and could press very fast trigger, needing then to need during speed governing to use left hand to go to rotate speed governing knob, the hair-dryer handle of this structure has the disadvantage that
One, because having big trigger, little trigger, very fast trigger and speed governing knob, so enclosure interior part is more, structure is complicated, and then makes corresponding manufacturing cost higher;
Two, due to very fast trigger and big somewhat distance between trigger and little trigger, therefore while the right hand pins big trigger and little trigger simultaneously, right hand thumb is less susceptible to be pressed into very fast trigger, the when that especially the right hand being smaller, right hand thumb is more difficult is pressed into very fast trigger, the most generally it is accomplished by by left hand, and left hand when of speed governing, need to be used to go to rotate speed governing knob.The control thus making hair-dryer handle is the most inconvenient.
Summary of the invention
The technical problem to be solved is: provide the hair-dryer handle that a kind of simple in construction, manufacturing cost are relatively low and convenient to operation.
The technical solution adopted in the present invention is: a kind of hair-dryer handle convenient to operation, this handle includes housing, alignment circuit plate and the speed governing knob electrically connected with alignment circuit plate and very fast switch, alignment circuit plate is positioned at housing, very fast switch is automatic reset switch, wherein, very fast switch is arranged on enclosure interior, speed governing knob and alignment circuit plate are joined merga pass and are rotated back and forth speed governing knob and realize speed governing and switching function, and speed governing knob can drive alignment circuit plate to rotate relative to housing when by external pressure effect and extrude very fast switch.
After using above structure, the invention have the advantages that
1, eliminate the accessory on big trigger, little trigger and the big little trigger of trigger, so can be greatly simplified the structure of hair-dryer handle, and reduce the manufacturing cost of hair-dryer;
2 and because hull outside only some speed governing knob, i.e. have only to operate speed governing knob, and have only to operate speed governing knob and can realize: switch, speed governing and very fast three kinds of functions, switching function is i.e. when speed governing knob is in some position, the power supply of hair-dryer is to close, the most somewhat rotating speed governing knob, hair-dryer is energized once more;And speed-regulating function rotates speed governing knob exactly, speed governing thus can be facilitated;And very fast function, being then flicking speed governing knob, now speed governing knob can drive alignment circuit plate to move inside, and alignment circuit plate is connected with housing into rotation, so press section on alignment circuit plate will extrude the very fast switch being arranged in housing, and then opens very fast switch.So that the operation of hair-dryer is simpler, convenience, substantially increase the efficiency of operation.
As preferably, speed governing knob is connected in the middle part of alignment circuit plate, and alignment circuit plate one end is rotatably connected with housing, and its other end is positioned at very fast switch side, and housing is provided with the breach stretched out for a speed governing knob part.The setting of breach is easy to thumb contact and rotates speed governing knob.
As preferably, it is press section that alignment circuit plate is positioned at the position on very fast switch side, and press section can be overlapped a contact sleeve.One press section is set, and contact sleeve is set on press section, so can preferably protect very fast switch, prevent from, because extruding contact too much damages, press section to be protected to be not easy abrasion simultaneously.
As preferably, the internal chamber wall of housing can connect one piece for preventing alignment circuit plate from rotating excessive postive stop baffle because being automatically replied power effect by very fast switch.The effect of postive stop baffle can be prevented from alignment circuit plate rotational angle and crosses ambassador's speed governing knob and contact with housing and interfered by housing, it is ensured that speed governing knob can positive and negative rotation normally.
As preferably, the left and right internal chamber wall in housing can respectively set one piece for preventing alignment circuit plate from rotating time the spacing clamping plate that rock, alignment circuit plate is between two pieces of spacing clamping plate.The effect of spacing clamping plate can be prevented from alignment circuit plate can double swerve when rotating.
As preferably, a cruise Speed control mechanism between housing and speed governing knob, can be set.The effect of cruise Speed control mechanism is can be fixed by speed governing knob after operator regulates speed, so there is no need to worry maloperation and rotate speed governing knob, and then the speed just now regulated is changed again.
As preferably, cruise Speed control mechanism includes several constant speed grooves and for extending in constant speed groove and then block the resilient key assembly of speed governing knob, and several constant speed groove circumferences are evenly distributed in round sides adjacent with resilient key assembly on speed governing knob.Resilient key assembly is used to block speed governing knob with coordinating of constant speed groove, such simple in construction, and effect is preferable.
As preferably, resilient key assembly includes the first spring cavity being arranged on housing, the alignment pin being arranged in the first spring cavity, the second spring cavity being arranged on alignment pin and is positioned at the back-moving spring in the first spring cavity and the second spring cavity, first spring cavity is provided with a through hole stretched out for the head of alignment pin, alignment pin outer circle wall is provided with for preventing alignment pin from all stretching out the step of the first spring cavity, and the head of alignment pin and constant speed groove match and be circular arc.The resilient key assembly arranging this structure can ensure that alignment pin and back-moving spring will not eject from spring cavity, and because the head of alignment pin and constant speed groove are circular arc, so user is when firmly rotating speed governing knob, the head of alignment pin is also easy to from constant speed groove depart from, so user is the most more convenient when speed governing, will not be seized because of speed governing knob and cannot carry out speed governing again.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of hair-dryer handle convenient to operation of the present invention.
Fig. 2 is the schematic diagram after a kind of hair-dryer handle convenient to operation of the present invention removes a part of housing.
Fig. 3 is the sectional view of line A-A along Fig. 1.
Fig. 4 is the operation principle schematic diagram of a kind of hair-dryer handle convenient to operation of the present invention.
As shown in the figure: 1, housing;2, speed governing knob;3, alignment circuit plate;4, very fast switch;5, breach;6, press section;7, constant speed groove;8, the first spring cavity;9, alignment pin;10, back-moving spring;11, through hole;12, step;13, pivot point;14, contact sleeve;15, postive stop baffle;16, spacing clamping plate;17, the second spring cavity;18, anti-slip veins.
Detailed description of the invention
With detailed description of the invention, the present invention is described further below in conjunction with accompanying drawing, but the present invention is not limited only to detailed description below.
As depicted in figs. 1 and 2, a kind of hair-dryer handle convenient to operation of the present invention includes that housing 1, speed governing knob 2, alignment circuit plate 3 and very fast switch 4, alignment circuit plate 3 and very fast switch 4 are installed in housing 1, and speed governing knob 2 is additionally provided with anti-slip veins 18.Speed governing knob 2 and very fast switch 4 all electrically connect with alignment circuit plate 3, speed governing knob 2 and alignment circuit plate 3 are joined merga pass and are rotated back and forth speed governing knob 2 and realize speed governing and switching function, very fast switch 4 coordinates with alignment circuit plate 3, makes hair-dryer reach very fast state when very fast switch 4 is opened.Very fast switch 4 is automatic reset switch, and shift knob can automatically revert to original state not by external force time, because it is same as the prior art, therefore does not repeats its concrete structure at this.
As shown in Figure 2, speed governing knob 2 is connected in the middle part of alignment circuit plate 3, housing 1 is provided with the breach 5 stretched out for speed governing knob 2 part, alignment circuit plate 3 one end is rotatably connected with housing 1 by the pivot point 13 on housing 1, it is press section 6 that alignment circuit plate 3 other end is in the position on very fast switch 4 side, press section 6 is one-body molded with alignment circuit plate 3, and press section 6 is cased with a contact sleeve 14, and contact sleeve 14 contacts with very fast switch 4 all the time.Speed governing knob 2 can drive alignment circuit plate 3 to rotate relative to housing 1 when by external pressure effect and make contact sleeve 14 extrude very fast switch 4.Connect on the internal chamber wall of housing 1 and have one piece for preventing alignment circuit plate 3 from rotating excessive postive stop baffle 15 because being automatically replied power effect by very fast switch 4.It is excessive that postive stop baffle 15 mainly prevents alignment circuit plate 3 from rotating outward, causes speed governing knob 2 to offset with housing 1, affects the normally positive and negative rotation of speed governing knob 2.Meanwhile, the left and right internal chamber wall in housing 1 being also respectively provided with one piece of spacing clamping plate 16, alignment circuit plate 3 is between two pieces of spacing clamping plate 16, and such alignment circuit plate 3 would not double swerve when rotating.
As shown in Figures 2 and 3, a cruise Speed control mechanism it is additionally provided with between housing 1 and speed governing knob 2 in a kind of hair-dryer handle convenient to operation of the present invention, this cruise Speed control mechanism includes several constant speed grooves 7 and for extending in constant speed groove 7 and then block the resilient key assembly of speed governing knob 2, and several constant speed groove 7 circumferences are evenly distributed in round sides adjacent with resilient key assembly on speed governing knob 2.Resilient key assembly includes the first spring cavity 8 being arranged on housing 1, the alignment pin 9 being arranged in the first spring cavity 8, the second spring cavity 17 being arranged on alignment pin 9 and is positioned at the back-moving spring 10 in the first spring cavity 8 and the second spring cavity 17, first spring cavity 8 is provided with a through hole 11 stretched out for the head of alignment pin 9, alignment pin 9 outer circle wall is provided with for preventing alignment pin 9 from all stretching out the step 12 of the first spring cavity 8, and the head of alignment pin 9 and constant speed groove 7 match and be circular arc.In Fig. 2, the quantity of the constant speed groove 7 of display is 15, but the quantity of constant speed groove 7 is not limited to this, and its quantity can the most arbitrarily set.Under the effect of back-moving spring 10, the head of alignment pin 9 is to be always positioned in one of them constant speed groove 7, thus speed governing knob 2 is blocked and plays the effect of constant speed, only when speed governing knob 2 is rotated by External Force Acting, that constant speed groove 7 originally blocking alignment pin 9 head just can overcome the active force of back-moving spring 10 to leave the head of alignment pin 9, and make alignment pin 9 head enter in next constant speed groove 7, it is achieved the constant speed effect of another rotating speed.
As shown in Figure 4, the operation principle of a kind of hair-dryer handle convenient to operation of the present invention is:
When needs start hair-dryer, first operator rotates counterclockwise speed governing knob 2, speed governing knob 2 is made to be in opening, now blower power is opened, continue to rotate counterclockwise speed governing knob 2 the most according to actual needs and carry out speed governing, and the rotating speed that operator mixes up can be fixed by the Speed control mechanism that cruises so that hair-dryer is on the rotating speed that operator needs, speed governing knob 2 now is in the state stopping not turning, and is the equal of that hair-dryer is in cruise state.
When needs hair-dryer is in very fast state, operator can press speed governing knob 2, now speed governing knob 2 will drive alignment circuit plate 3 to rotate, rotation by alignment circuit plate 3, and then make press section 6 and contact sleeve 14 on alignment circuit plate 3 extrude very fast switch 4, very fast switch 4 is opened, now hair-dryer is in very fast state, if and need to maintain this very fast state, operator needs to press speed governing knob 2 always, very fast switch 4 is made to be constantly in the state of being unlocked, after operator unclamps speed governing knob 2, very fast switch 4 will automatically reply and be closed, and the power that automatically replies of very fast switch 4 also can make speed governing knob 2 be returned to cruise state by press section 6 and contact sleeve 14.
When blower power closed by needs, operator can turn clockwise speed governing knob 2, is closed until speed governing rotates 2.