CN2796854Y

CN2796854Y - Micro electric atomizer

Info

Publication number: CN2796854Y
Application number: CN 200520057627
Authority: CN
Inventors: 吴学忠; 赵克龙; 邓志华
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2005-04-21
Filing date: 2005-04-21
Publication date: 2006-07-19
Anticipated expiration: 2015-04-21

Abstract

The utility model relates to a micro electric atomizer which comprises a housing with an inner cavity and a piston device, wherein the piston device is matched with the inner cavity by sealing; the piston device comprises a piston rod; the piston rod corresponding to the inner part of the inner cavity is provided with a connecting passage which is communicated with the inner cavity; the side wall of the housing is provided with a leading-out passage, the entrance of which is closed through the piston rod; the utility model also comprises a driving device which is used for driving the piston rod to move and making the leading-out passage, the connecting passage, and the inner cavity communicated; the driving device is arranged on the housing corresponding to the driving end of the piston rod. The utility model can perform spraying function automatically through the driving device arranged at the driving end of the piston rod and composed of a coil and an iron core which have the advantages of simple structure and low price, satisfying efficacy of individuation; because the inner cavity of the housing which has small size is provided with the simple piston device simultaneously, the utility model has the advantage of smaller volume.

Description

A kind of miniature electric sprayer

[technical field]

The utility model relates to a kind of miniature electric sprayer, comprise shell and piston apparatus with inner chamber, piston apparatus cooperates with bore seal, piston apparatus comprises piston rod, the corresponding inner chamber interior location of piston rod is provided with the interface channel with intracavity inter-connection, and side wall of outer shell is provided with the derivation passage that seals its inlet by piston rod.

[background technology]

Sprayer is used wider on the living conditions at present, hair jelly sprayer for example, pesticide sprayer or the like, but the application on portable communication apparatus still is a blank, though the sprayer that is fit to the personalization that communication apparatus uses is being studied by manufacturer, but effect is not as people's will, employed all kinds of sprayers have two kinds at present: a kind of is manual, another kind is electronic, but two class sprayers self all have the shortcoming that can't overcome: 1) can be processed into the less profile of volume though hand sprayer is sealed and matched by a shell inner cavity and piston apparatus, but, can't satisfy the automation of communication apparatus because of himself being hand gear, personalized application; 2) all kinds of power sprayes utilize pump or other operation principles to realize automation function on the market, but because of its complex structure, cause its volume bigger, thereby can't be applied to the portable communication apparatus such as slimlines such as mobile phone, MP3.

[utility model content]

Technical problem to be solved in the utility model provides the communication apparatus power spraye that a kind of volume is little, simple in structure, cost is low, can be recycled.

The technical scheme that the utility model is taked is:

A kind of miniature electric sprayer, comprise shell and piston apparatus with inner chamber, piston apparatus cooperates with bore seal, piston apparatus comprises piston rod, the corresponding described inner chamber interior location of piston rod has the interface channel with intracavity inter-connection, side wall of outer shell is provided with the derivation passage that seals its inlet by piston rod, that this sprayer also comprises piston rod motion and can make and derive the drive unit that passage, interface channel, inner chamber three are connected, this drive unit be installed in the corresponding shell of piston rod drive end on.

Described drive unit comprises iron core and coil, and coil places on the iron core.

Described piston rod drive end is provided with armature.

Described piston apparatus also comprises piston and elastic component, outer surface of piston and intracavity inner surface sealed sliding movingly, piston is connected in the piston rod reset terminal, elastic component is installed on the piston rod of described inner chamber interior location, is used for resetting of piston rod.

Described piston is provided with centre bore, and described the inner that is "T"-shaped piston rod reset terminal is positioned at this centre bore and cooperates with its center interporal lacuna.

Described and the corresponding outer casing end of piston rod reset terminal is provided with a lumen openings, and this open end is arranged with sleeve pipe, and the bottom of this sleeve pipe is sealed.

Described derivation passage be arranged on the corresponding side wall of outer shell of piston rod drive end on, the corresponding described derivation channel position of this side wall of outer shell has and derives the mating holes that passage is connected, described piston rod is positioned at this mating holes.

Described piston rod drive end places the inner chamber outside.

The position of the corresponding described side wall of outer shell of described piston rod drive end is provided with piston rod seal, and the sealing device is fixed on the described side wall of outer shell.

Described sealing device comprises sealing ring and spacing collar, and the sealing circle is close to the lateral surface of described side wall of outer shell, and described spacing collar covers on the sealing ring surface and with described side wall of outer shell and is connected.

The utility model has the advantages that:

1) by being processed into power spraye simple in structure in the setting of piston rod drive end by the drive unit that cheap coil and iron core constitute, satisfying personalized effect;

2) can reach the little purpose of own vol by easy piston apparatus being set at the little shell inner cavity of volume;

3) be arranged with the added liquid of bottom lock or the gum sleeve of gas by chamber openend in the enclosure, realize the recycling of sprayer, reduce production costs;

4), can protect other devices of sprayer not to be damaged again by the effect of the both salable inner chamber internal objects of piston rod seal is set on the corresponding side wall of outer shell of piston rod drive end.

The utility model power spraye can not only make the user enjoy the fragrant mist of antomobile sprayer ejection in the process of using portable set, and has strengthened the personalization of product itself, satisfies the personnel demand of different levels.

[description of drawings]

Below in conjunction with the drawings and specific embodiments the utility model is elaborated:

Fig. 1 is positioned at the cross-sectional view of inner chamber outside for piston rod drive end in the miniature electric sprayer in the utility model.

Fig. 2 is a piston rod cross-section structure enlarged diagram in the miniature electric sprayer shown in Figure 1.

Fig. 3 is for being provided with the user mode cross-sectional view of a sealing gum sleeve with the corresponding shell inner cavity open end of piston rod reset terminal in the miniature electric sprayer shown in Figure 1.

Fig. 4 is the cross-section structure course of action schematic diagram one of coil electricity back piston device compression chamber in the miniature electric sprayer shown in Figure 3.

Fig. 5 is the cross-section structure course of action schematic diagram two of coil electricity back piston device compression chamber in the miniature electric sprayer shown in Figure 3, the view when object promptly to be painted begins to spray.

Fig. 6 is the cross-section structure course of action schematic diagram when elastic component is by self elastic reset behind the coil blackout in the miniature electric sprayer shown in Figure 3.

Fig. 7 is positioned at the cross-sectional view of inner chamber inside for piston rod drive end in the another kind of specific embodiment miniature electric of the utility model sprayer.

Fig. 8 is the cross-section structure course of action schematic diagram of coil electricity back piston device compression chamber in the miniature electric sprayer shown in Figure 7.

[specific embodiment]

Please in conjunction with illustrated in figures 1 and 2: the utility model miniature electric sprayer comprises shell 1 and the piston apparatus with inner chamber 2, piston apparatus and inner chamber 2 are sealed and matched, these inner chamber 2 inside are provided with object to be painted, piston apparatus comprises piston rod 3, this piston rod 3 can be attraction material or nonmetallic materials, when piston rod 3 can be provided with an armature 11 in its end 31 during for nonmetal parts, it is so-called interface channel 4 (please refer to Fig. 2) less than the step of piston rod 3 diameters that the piston rod 3 that is positioned at inner chamber 2 inside is provided with a diameter, also can be set to the interface channel of " u " type, this passage 4 is connected with inner chamber 2, side wall of outer shell is provided with derives passage 5, it derives the inlet of passage 5 its piston rod 3 sealings, this sprayer also comprises drive unit, this drive unit comprises the coil 7 of iron core 6 and self insulation, coil 7 places iron core 6 inside and links to each other with power supply, iron core 6 adjacent piston bar drive ends 31, this iron core 6 is installed in and described piston rod drive end 31 corresponding outer casing ends, iron core 6 has magnetic and just can attract piston rod 3 to move to iron core 6 directions after coil 7 energising, this sprayer adopts simple in structure, the drive unit that cheap coil and iron core are formed can be realized the purpose of auto spraying, utilize this drive unit and cooperating of easy piston apparatus to realize the little effect of volume again, thereby it is little to reach volume, simple in structure, the purpose that price is low.

See also Fig. 3 to Fig. 6, described piston apparatus also comprises piston 8 and elastic component, this elastic component is a spring 9, spring 9 is set on the piston rod 3 of inner chamber 2 inside, be used for resetting of piston rod 3, the inner surface sealed sliding of the outer surface of piston 8 and inner chamber 2 movingly, described piston 8 is provided with centre bore, described "T"-shaped piston rod reset terminal 32 the inners be positioned at this centre bore and with this centre bore matched in clearance, described and piston rod reset terminal 32 corresponding outer casing ends are provided with a lumen openings, this open end is arranged with plastic casing-pipe 10, the bottom of this sleeve pipe 10 is sealed, this sleeve pipe adopts cheap material to make and can change, and it is recycling to utilize this plastic casing-pipe to realize, reduces production costs.

Described derivation passage 5 be arranged on piston rod drive end 31 corresponding side wall of outer shell on, have and derive the mating holes of passage 5 vertical connections on this side wall of outer shell, described piston rod 3 is positioned at this mating holes, sees Fig. 3.

Further, piston rod 3 corresponding described side wall of outer shell are provided with piston rod 3 sealing devices.

The course of work of the present utility model is as follows: please refer to Fig. 3 to Fig. 6, armature 11 is positioned at inner chamber 2 outsides, in entire work process, adopt the two-period form spring, the diameter at an end 91 places that is spring is less than spring 9 other position diameters, its end is positioned at piston rod reset terminal 32 the inners in this spring one end 91 gap between piston rod 3 and piston center hole, the other end 92 is positioned on the corresponding side wall of outer shell inner surface of piston rod drive end, when coil 7 energisings, make iron core 6 logical magnetic, attract the armature 11 on the piston rod drive end to move to iron core 6 directions, this moment, piston rod 3 moved along horizontal mating holes, this therebetween piston rod 3 drive piston compression chambers 2, and the plane of " T " piston rod reset terminal 32 inner surfaces and piston 8 compresses and (asks for an interview Fig. 4 under the effect of spring 9, Fig. 5), stop liquid to rush down leakage by the gap location between piston rod 3 and the piston center hole, remain in the compression chamber, under the situation that moves to precalculated position and pressure, derivation passage 5 butt joints on interface channel 4 on the piston rod 3 and shell 1 sidewall, liquid was transported to derive by interface channel 4 under pressure and began in the passage 5 to spray this moment, obviously, when interface channel 4 can achieve a butt joint by the stroke that changes piston rod 3 when passage 5 does not dock with deriving, can't be when the attraction piston rod movement when iron core 6, can increase the number of turns of coil 7 or strengthen electric current and realize the purpose that drives; After finishing, spraying sees also Fig. 6, sprayer utilizes the elastic force of self spring 9 to begin to reset: after spraying is finished, coil 7 deenergizations, iron core 6 magnetic disappear, armature 11 and piston rod 3 will begin return under the effect of spring 9, at first it will promote piston rod 3 to the plastic casing-pipe 10 directions segment distance that moves, make it to separate with piston 8, the liquid of inner chamber 2 inside will flow in compression chamber by the small gap between piston rod 3 and the piston 8, reach the cavity pressure balance, the sleeve pipe 10 of this moment can be out of shape with the pressure in ambient pressure and the cavity, so that carry out further work, when spring 9 runs to certain position, the spring 9 at major diameter place will touch piston 8 promotion pistons 8 and move simultaneously, and will always possess a less slit between piston 8 and the piston rod 3 this moment; See also shown in Figure 3: piston rod 3 sealing devices comprise sealing ring 12 and spacing collar 13 in this embodiment, sealing circle 12 is close to the lateral surface of described side wall of outer shell, described spacing collar 13 covers sealing ring 12 surfaces and upward and with described side wall of outer shell is connected, piston rod 3 stop motions when armature 11 arrives to spacing collar 13, this moment, spacing collar 13 was close on the sealing ring 12, the effect that spacing collar 13 is set has two: one, guarantees that sealing ring 12 can displacement when piston rod 3 motions, the 2nd, the stroke that changes piston rod 3 by the thickness that changes spacing collar 13 further guarantees interface channel 4 and the butt joint of deriving passage 5, the sealing that sealing ring 12 both can guarantee liquid in the compression chamber is set, plays other devices of protection again and can not corroded or damage; Present embodiment adopts two-period form stage clip main purpose to be: (1) allows piston rod 3 move a segment distance to sleeve pipe 10 directions earlier when resetting, allow liquid/gas flow in the compression chamber by the gap between piston rod 3 and the piston center hole, realizes the cavity pressure balance; (2) can't driven plunger 8 when liquid/gas flows to compression chamber when sleeve pipe 10 direction activities, can drive pistons 8 by two-period form spring 9 and carry out reseting movement, service more efficiently is provided for work next time.

The utility model also has another embodiment: please in conjunction with Fig. 7, miniature electric sprayer shown in Figure 8, when piston rod drive end 31 is positioned at inner chamber 2 inside, among this embodiment in order to strengthen its shell 1 of attraction between iron core and the piston rod, piston rod 3 is and is magnet attraction product, these piston rod 3 drive ends are provided with sealing ring 12, sealing circle 12 is embedded on the side wall of outer shell mating holes inwall and with piston rod 3 and is sealed and matched, the inlet of passage 5 is derived in these piston rod drive end 31 sealings, elastic component shown in the figure is that spring 9 one ends are connected with the reset terminal 32 of piston rod 3, the other end is connected with piston rod reset terminal 32 corresponding side wall of outer shell, on this side wall of outer shell, be provided with many through holes 15, liquid in the compression inner chamber and the liquid/gas in the gum sleeve 10 are interconnected by this through hole 15, the bottom of this gum sleeve 10 is by heavy oil 14 sealings, thereby can realize recycling purpose, after coil 7 energisings, make iron core 6 have magnetic, attract piston rod 3 motions, by piston 8 compression chambers, when docking conducting with derivation passage 5, interface channel 4 begins spraying (seeing also Fig. 8), after coil 7 outages, piston rod 3 utilizes the elastic force of elastic component 9 to realize return, thereby reaches the purpose of this utility model.

The sealing mode that the utility model spray enclosure openend is provided with sleeve pipe has two kinds:

Mode one: as shown in Figure 2, the soft rubber tube 10 of direct a kind of bottom sealing on the outer cover of inner chamber.

Mode two: as shown in Figure 7, a gum sleeve 10 is loaded onto required liquid/gas in sleeve pipe on the outer cover of inner chamber, by heavy oil 14 sleeve opening is sealed then.

For the liquid in the cavity or gas constantly add in the compression chamber, prolong the sprinkling number of times of liquid/gas, described sleeve pipe adopts soft deformable plastic material, certainly when making sprayer, the stroke of piston rod can be provided with maximum, simultaneously also can the length setting of interface channel is long as far as possible, or can select the soft sleeve pipe of different length to improve the sprinkling number of times according to actual conditions, otherwise just directly take off sleeve pipe, replenish new liquid or gas again.

More than listed preferred embodiment be intended to clearly demonstrate design of the present utility model and technical scheme.The enforcement of the utility model is not limited thereto, and is any based on design of the present utility model and technical scheme, and carry out need not creative work simple deduction or replace, all belong to the enforcement of the utility model.

Claims

1. miniature electric sprayer, comprise shell (1) and piston apparatus with inner chamber, piston apparatus and inner chamber (2) are sealed and matched, piston apparatus comprises piston rod (3), the corresponding described inner chamber of piston rod (3) (2) interior location has the interface channel (4) that is connected with inner chamber (2), side wall of outer shell is provided with the derivation passage (5) that seals its inlet by piston rod (3), it is characterized in that: also comprise that piston rod (3) is moved and can make deriving passage (5), interface channel (4), the drive unit that inner chamber (2) three is connected, this drive unit be installed in the corresponding shell of piston rod drive end (31) (1) on.

2. a kind of miniature electric sprayer as claimed in claim 1 is characterized in that: described drive unit comprises iron core (6) and coil (7), and coil (7) places on the iron core (6).

3. a kind of miniature electric sprayer as claimed in claim 2 is characterized in that: described piston rod drive end (31) is provided with armature (11).

4. a kind of miniature electric sprayer as claimed in claim 3, it is characterized in that: described piston apparatus also comprises piston (8) and elastic component (9), piston (8) outer surface and inner chamber (2) inner surface sealed sliding are movingly, piston (8) is connected in piston rod reset terminal (32), elastic component (9) is installed on the piston rod (3) of described inner chamber (2) interior location, is used for resetting of piston rod (3).

5. a kind of miniature electric sprayer as claimed in claim 4 is characterized in that: described piston (8) is provided with centre bore, and described the inner that is "T"-shaped piston rod reset terminal (32) is positioned at this centre bore and cooperates with its center interporal lacuna.

6. a kind of miniature electric sprayer as claimed in claim 5 is characterized in that: the described and corresponding outer casing end of piston rod reset terminal (32) is provided with a lumen openings, and this open end is arranged with sleeve pipe (10), and the bottom of this sleeve pipe is sealed.

7. as each described a kind of miniature electric sprayer in the claim 1 to 6, it is characterized in that: described derivation passage (5) be arranged on the corresponding side wall of outer shell of piston rod drive end (31) on, the corresponding described derivation passage (5) of this side wall of outer shell position has and derives the mating holes that passage (5) is connected, and described piston rod (3) is positioned at this mating holes.

8. a kind of miniature electric sprayer as claimed in claim 7 is characterized in that: described piston rod drive end (31) places inner chamber (2) outside.

9. a kind of miniature electric sprayer as claimed in claim 8 is characterized in that: the position of the corresponding described side wall of outer shell of described piston rod drive end (31) is provided with piston rod seal, and the sealing device is fixed on the described side wall of outer shell.

10. a kind of miniature electric sprayer as claimed in claim 9, it is characterized in that: described sealing device comprises sealing ring (12) and spacing collar (13), sealing circle (12) is close to the lateral surface of described side wall of outer shell, and described spacing collar (13) covers on the sealing ring surface and with described side wall of outer shell and is connected.