CN201371109Y - Droplet generating apparatus - Google Patents

Abstract

The utility model relates to a droplet generating device, which comprises a vibration sheet, a connecting sheet and a spray hole sheet, wherein the vibration sheet is overlapped and connected by using a bonding material; vibrate piece and connection piece and correspond and be equipped with first through-hole and second through-hole, and the spout hole piece is equipped with the tiny orifice of plural number on the region corresponding to first through-hole and second through-hole, in addition, be equipped with plural number perforation on the region that the spout hole piece does not correspond to first through-hole and second through-hole, let bonding material can be through the perforation on the spout hole piece joint vibrate piece and connection piece, and fix the spout hole piece vibrate the piece with the connection piece between, so not only can promote the laminating intensity of vibrating piece and spout hole piece, and can effectively transmit the vibrations energy of vibrating the piece to the spout hole piece on to produce more excellent atomization effect.

Description

droplet generating device

technical field

The utility model relates to a microdrop generating device applicable to a nebulizer, in particular to a microdrop generating device capable of improving the microdrop generating effect.

Background technique

Among the currently known nebulizer products or related disclosed technologies, the means for using the orifice sheet to generate spray can be roughly divided into two categories: one is to use piezoelectric material vibration to squeeze the liquid out of the orifice sheet to form mist; the other is to use The piezoelectric material vibrates the orifice sheet to make it beat the liquid, and the liquid is discharged from the orifice to form a mist. The latter is sometimes combined with a flat surface for beating the liquid, such as using a capillary bundle as a mechanism for transporting the liquid, and processing a plane at its end to allow the liquid to flow onto the plane for beating and atomizing, or with a pressure The device presses the liquid to the orifice plate, and when the orifice plate vibrates, it is extruded and atomized from the orifice. Among them, whether the bonding method between the piezoelectric material and the orifice plate is good will directly affect whether the vibration energy can be effectively transmitted.

At present, the sprayer products that use the vibrating plate to transmit the vibration energy to the orifice plate, based on cost considerations, because the thickness of the orifice plate is thin and the size is small, most of them use adhesive materials to attach materials such as connecting plates or fixing plates to connect the vibrating plate. There are at least two or more materials between the oscillating plate and the orifice plate. However, in actual implementation, in addition to the problem of difficult bonding between multiple materials, the oscillating plate needs to transmit vibration energy to the On the orifice sheet, because there will be some loss in the transmission of vibration energy between different materials each time, the efficiency will also decrease, resulting in poor atomization effect.

Contents of the invention

In view of this, the main purpose of the utility model is to propose a droplet generating device that can be applied to a nebulizer. The droplet generating device can not only make the vibrating plate and the orifice plate have good bonding strength, but also can Effectively transfer the vibration energy of the oscillating plate to the orifice plate to produce a better atomization effect.

In order to achieve the above object, the technical scheme adopted by the utility model includes:

A micro-droplet generating device used on a sprayer, characterized in that the micro-droplet generating device at least includes:

A vibrating plate is provided with a first through hole;

A connection piece is provided with a second through hole corresponding to the first through hole;

An orifice sheet, sandwiched between the oscillating sheet and the connecting sheet, the orifice sheet is provided on the area corresponding to the first through hole and the second through hole There are a plurality of fine nozzle holes, and a plurality of perforations are provided on regions not corresponding to said first through hole and said second through hole; and

A bonding material, which is used to join the vibrating plate and the connecting plate through the perforation provided on the orifice plate, and to fix the orifice plate on the vibrating plate and the connecting plate. between the connecting pieces.

In order to achieve the above object, the technical solution adopted by the utility model also includes:

A micro-droplet generating device used on a sprayer, characterized in that the micro-droplet generating device at least includes:

A vibrating plate is provided with a first through hole;

a connecting piece, and is provided with a second through hole corresponding to the first through hole;

A fixed piece is sandwiched between the vibrating piece and the connecting piece, and the fixed piece is provided with a a third through hole, and a plurality of through holes are provided on an area not corresponding to the first through hole and the second through hole;

An orifice sheet, sandwiched between the fixed sheet and the connecting sheet, the orifice sheet corresponds to the first through hole, the second through hole and the The area of the third through hole is provided with a plurality of fine spray holes; and

A bonding material, which is used to join the vibrating plate, the connecting plate and the orifice plate through the perforation provided on the fixing plate, and fix the fixing plate on the Between the vibrating piece and the connecting piece.

Compared with the prior art, the utility model adopting the above-mentioned technical solution has the advantage that the orifice sheet is designed to have a plurality of perforations through which the bonding material can pass, so that the bonding material, the vibrating sheet, the connecting sheet and the orifice sheet can Effective engagement, and the vibration energy is directly transmitted from the vibrating plate to the orifice plate.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the first preferred embodiment of the microdroplet generating device of the present invention;

Fig. 2 is a three-dimensional assembled view of the droplet generation device disclosed in Fig. 1;

Figure 3 is a combined cross-sectional view of the droplet generating device disclosed in Figure 1;

Fig. 4 is a combined cross-sectional view of the droplet generating device disclosed in Fig. 1, which is further covered and fixed by a covering member;

Fig. 5 is a three-dimensional exploded view of the second preferred embodiment of the microdroplet generating device of the present invention;

Figure 6 is a combined cross-sectional view of the droplet generating device disclosed in Figure 5;

FIG. 7 is a combined cross-sectional view of the droplet generating device disclosed in FIG. 5 which is further covered and fixed by a covering member.

Explanation of reference numerals: droplet generating device 10; vibrating plate 12; first through hole 122; connecting piece 14; second through hole 142; spray hole plate 16; embossed surface 160; small spray hole 162; perforation 164; 18; cladding part 182; droplet generating device 20; vibrating sheet 22; first through hole 222; connecting sheet 24; second through hole 242; fixed sheet 262; third through hole 2622; ; Small orifice 2642 ; Embossed surface 2640 ; Bonding material 28 ; Covering member 282 .

Detailed ways

Relevant technical contents and detailed description of the present utility model are described as follows in conjunction with drawings.

The utility model is a droplet generating device that can be applied to a nebulizer. First, please refer to Fig. 1-Fig. FIG. 3 is a perspective view and a cross-sectional view respectively showing the assembly of the micro-droplet generating device of the present invention. As shown in the figure, the droplet generating device 10 is a structure in which several pieces of material are stacked and joined together, and it mainly includes a vibrating plate 12 and a connecting plate 14 that are stacked and jointed with a joint material 18. And an orifice sheet 16 sandwiched between the oscillating sheet 12 and the connecting sheet 14; the aforesaid oscillating sheet 12 is a thin circular piece, preferably a piezoelectric sheet, and is provided with a The first through hole 122, the aforementioned connecting piece 14 is also a sheet-shaped stainless steel circular body, and a second through hole 142 corresponding to the first through hole 122 is provided at the center, so that the vibrating piece 12 and the connecting piece When 14 are stacked on each other, the first through hole 122 and the second through hole 142 may communicate with each other.

The aforesaid orifice sheet 16 is a lamellar circular body, which is used to interpose and join between the vibrating sheet 12 and the connecting sheet 14. The orifice sheet 16 corresponds to the first through hole 122 and the second hole. A plurality of fine nozzle holes 162 are disposed in the central area of the through hole 142 . In addition, it can be seen from the figure that on the area of the orifice plate 16 that does not correspond to the first through hole 122 and the second through hole 142, there are further rings arranged on the small orifice 162, and a plurality of rings on the periphery of the area. The perforation 164 , the purpose of the perforation 164 is that the bonding material 18 can pass through the perforation 164 to directly bond the vibrating piece 12 and the connecting piece 14 . The number and shape of the perforations 164 provided on the orifice plate 16 are not limited to those shown in the figure. In addition, an embossed surface 160 is formed on the orifice plate 16 corresponding to the first through hole 122 and the second through hole 142 , and the small orifice 162 is disposed on the embossed surface 160 .

It can be seen from the above that the droplet generating device of the present utility model is mainly formed by stacking and combining three sheets, that is, the oscillating sheet 12, the connecting sheet 14 and the orifice sheet sandwiched between the oscillating sheet 12 and the connecting sheet 14. 16. These three pieces are joined and fixed into one body by using the joining material 18. Due to the design of the perforation 164 on the orifice sheet 16, the bonding material 18 can join the vibrating sheet 12 and the connecting sheet 14 through the perforation 164 on the orifice sheet 16, and the orifice sheet 16 is fixed on the vibrating sheet 12 and the connecting sheet. 14; using such a joining method, not only can effectively improve the lamination strength of the vibrating plate 12 and the orifice plate 16, but also can effectively transfer the vibration energy of the oscillating plate 12 to the orifice plate 16.

Wherein, the aforementioned bonding material used for bonding the vibrating plate 12 , the connecting plate 14 and the orifice plate 16 may be cured glue or metal solder, and is not limited thereto.

Please refer to shown in Fig. 4, it is to show among the figure that the droplet generating device of the present utility model is further combined with a combined cross-sectional view of a cover 182, the cover 182 includes but is not limited to the O-ring type shown in the figure, which can be used To cover the vibrating plate 12 , the connecting plate 14 and the orifice plate 16 combined with each other.

By means of the above description, it can be known that the utility model adopts the design of having a perforation 162 on the orifice sheet 16, so that the bonding material 18 and the vibrating sheet 12, the connecting sheet 14 and the orifice sheet 16 can be effectively bonded, and the vibration energy is transferred by The oscillating plate 12 is directly transferred to the orifice plate 16 through the bonding material 18, which can effectively reduce energy consumption.

First, please refer to FIG. 5 and FIG. 6 at the same time. FIG. 5 is a three-dimensional exploded view showing another preferred embodiment of the micro-droplet generating device of the present invention. FIG. 6 is a combined section showing the micro-droplet generating device disclosed in FIG. 5 picture. As shown in the figure, the droplet generating device 10 is a structure in which several sheets of materials are stacked and joined together. Compared with the droplet generating device 10 composed of three-piece structures disclosed in FIG. The droplet generating device 20 disclosed in the embodiment is composed of four pieces of sheet materials, the vibrating sheet 22, the connecting sheet 24, the fixing sheet 262, and the orifice sheet 264, which are stacked and joined by the bonding material 28; as shown in the figure As shown, the aforesaid vibrating plate 22 is a lamellar circular body, preferably a piezoelectric plate, and is provided with a first through hole 222 at the center, and the aforementioned connecting piece 24 is also a laminar stainless steel circle Shaped plate body, and a second through hole 242 corresponding to the first through hole 222 is provided at the center, so that when the vibrating plate 22 and the connecting plate 24 are stacked on each other, the first through hole 222 and the second through hole 242 can be interconnected.

The aforesaid fixed piece 262 is a sheet-shaped circular piece, which is used to interpose and combine between the two pieces of the vibrating piece 22 and the connecting piece 24. The fixed piece 262 corresponds to the first through hole 222 and the second through hole A third through hole 2622 is formed in the central area of 242 . In addition, a plurality of perforations 2624 are further provided on the area not corresponding to the first through hole 222 and the second through hole 242. The purpose of setting the perforation 2624 is that the bonding material 18 can pass through the perforation 2624 to directly bond the vibrating piece 22 and the connecting piece. twenty four. The number and shape of the aforementioned perforations 2624 on the fixing piece 262 are not limited to those shown in the figure.

The aforementioned orifice sheet 264 is a disc material sandwiched between the fixed sheet 262 and the connecting sheet 24, and the orifice sheet 264 is in the area corresponding to the first through hole 222, the second through hole 242 and the third through hole 2622. There are a plurality of small nozzle holes 2642 on it. Wherein, an embossed surface 2640 is formed on the orifice plate 264 , and the small orifices 2642 are arranged on the embossed surface 2640 .

It can be seen from the above that the droplet generating device disclosed in this embodiment is mainly composed of four sheets stacked together, that is, the oscillating sheet 22, the connecting sheet 24, and the interposed between the oscillating sheet 22 and the connecting sheet 24. The fixed piece 262 and the nozzle hole piece 264 sandwiched between the fixed piece 262 and the connecting piece 24 ; these four pieces are joined and fixed into one body by using the bonding material 28 . Due to the design of the perforation 2624 on the fixing piece 262, the bonding material 28 can join the vibrating piece 22 and the connecting piece 24 through the perforation 2622 on the fixing piece 262, and the fixing piece 262 and the orifice piece 264 are fixed on the vibrating piece 22 and the connecting piece 24. Between the connecting pieces 24 ; using such a combination method can not only effectively improve the bonding strength between the oscillating piece 22 and the orifice piece 262 , but also effectively transmit the vibration energy of the oscillating piece 22 to the orifice piece 262 .

Please refer to shown in Fig. 7, it is to show that the droplet generation device of the present utility model is further combined with a composite cross-sectional view of a covering member 282. The covering member 282 includes but is not limited to the O-ring type shown in the figure, which can be used To cover the vibrating plate 22 , the connecting plate 24 , the fixing plate 262 and the orifice plate 264 which are combined with each other.

In summary, the utility model is a droplet generating device that can be applied to a nebulizer. The droplet generating device can not only make the oscillating plate and the orifice plate have good bonding strength, but also can effectively connect the oscillating plate The high vibration energy is transmitted to the orifice sheet to produce a better atomization effect.

The utility model mainly lies in that the orifice plate is designed to have a plurality of perforations through which the joint material can pass, so that the joint material and the vibrating plate, the connecting plate and the orifice plate can be effectively joined, and the vibration energy is directly transmitted from the vibrating plate to the spray hole. Chip. In practice, the aforementioned orifice sheet can be a single-piece structure, or a two-piece structure design that further includes a fixed piece.

The above description is only illustrative of the present utility model, rather than restrictive. Those of ordinary skill in the art understand that many modifications, changes or equivalents can be made without departing from the spirit and scope defined in the claims. But all will fall within the protection scope of the present utility model.

Claims (16)

1. A droplet generating device used on a nebulizer, characterized in that, said droplet generating device at least includes: A vibrating plate is provided with a first through hole; A connection piece is provided with a second through hole corresponding to the first through hole; An orifice sheet, sandwiched between the oscillating sheet and the connecting sheet, the orifice sheet is provided on the area corresponding to the first through hole and the second through hole There are a plurality of fine nozzle holes, and a plurality of perforations are provided on regions not corresponding to said first through hole and said second through hole; and A bonding material, which is used to join the vibrating plate and the connecting plate through the perforation provided on the orifice plate, and to fix the orifice plate on the vibrating plate and the connecting plate. between the connecting pieces. 2. The microdroplet generating device according to claim 1, wherein the vibrating plate is a piezoelectric film. 3. The microdroplet generating device according to claim 1, characterized in that: an embossed surface is formed on the region corresponding to the first through hole and the second through hole on the described orifice sheet, and the The above-mentioned small nozzle holes are arranged on the above-mentioned embossed surface. 4. The droplet generating device according to claim 1, wherein the connecting piece is a stainless steel piece. 5. The droplet generating device according to claim 1, wherein the bonding material is cured glue. 6. The droplet generating device according to claim 1, wherein the bonding material is metal solder. 7. The droplet generating device according to claim 1, wherein the droplet generating device further comprises a covering member, and the covering member is used to cover the joints connected by the bonding material. The above-mentioned vibrating piece, the above-mentioned connecting piece and the above-mentioned orifice piece. 8. The droplet generating device according to claim 7, wherein said covering member is an O-ring. 9. A droplet generating device used on a nebulizer, characterized in that the droplet generating device at least includes: A vibrating plate is provided with a first through hole; a connecting piece, and is provided with a second through hole corresponding to the first through hole; A fixed piece is sandwiched between the vibrating piece and the connecting piece, and the fixed piece is provided with a a third through hole, and a plurality of through holes are provided on an area not corresponding to the first through hole and the second through hole; An orifice sheet, sandwiched between the fixed sheet and the connecting sheet, the orifice sheet corresponds to the first through hole, the second through hole and the The area of the third through hole is provided with a plurality of fine spray holes; and A bonding material, which is used to join the vibrating plate, the connecting plate and the orifice plate through the perforation provided on the fixing plate, and fix the fixing plate on the Between the vibrating piece and the connecting piece. 10. The droplet generating device according to claim 9, wherein the vibrating plate is a piezoelectric film. 11. The droplet generating device according to claim 9, characterized in that: a region corresponding to the first through hole, the second through hole and the third through hole is formed on the orifice plate. The embossed surface is provided with the small spray holes. 12. The droplet generating device according to claim 9, wherein the connecting piece is a stainless steel piece. 13. The droplet generating device according to claim 9, wherein the bonding material is cured glue. 14. The droplet generating device according to claim 9, wherein the bonding material is metal solder. 15. The droplet generating device according to claim 9, characterized in that: the droplet generating device further comprises a covering member, and the covering member is used to cover the joints connected by the bonding material. The oscillating plate, the connecting plate, the fixing plate and the orifice plate are described. 16. The droplet generating device of claim 15, wherein said covering member is an O-ring.

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