TW201929698A - Liquid storage device - Google Patents

Abstract

A liquid storage device is disclosed for using in an electronic cigarette and comprises a storage body having two openings at the two ends, and an accommodating groove and a liquid channel are disposed between the two openings and separated from each other, and the accommodating groove and the liquid channel both communicate with the two openings; a storage bag is accommodated within the accommodating groove for storing liquid, which has an outlet for discharging liquid; a liquid transmitting device closes one of the openings of the storage body and has an inlet channel for communicating with the outlet of the storage bag; a cover closes another opening of the storage body and has an outlet tube for communicating with the liquid channel; wherein, by driving the liquid transmitting device, the liquid is drawn out from the outlet of the storage bag, and the liquid is transmitted into the liquid channel from a liquid chamber of the liquid transmitting device quantitatively, thereby to control the liquid quantitatively discharge out the storage body.

Description

Liquid storage device

The present invention relates to a liquid storage device, and more particularly to a liquid storage device suitable for an electronic cigarette.

The use of electronic cigarettes or so-called electronic cigarettes is rapidly expanding as an alternative to traditional cigarettes that smoke real tobacco. However, it is known that there are still some gaps between the electronic cigarettes and the real cigarettes. For example, when people smoke, the cigarette liquid cannot accurately control the amount of penetration, and the phenomenon of uneven liquidity of the cigarettes results in a small amount of cigarette liquid. The droplets are not uniform, and when heated by an electric heater to produce burnt smoke, the smoker may feel uncomfortable.

Moreover, since the electronic cigarette cannot be precisely controlled for the amount of penetration, especially when the nozzle is facing upward, the gravity of the cigarette liquid cannot completely stop the amount of the penetrating liquid of the cigarette, and when the liquid content of the cigarette is full, the liquid of the cigarette is dripped. The external air intake leaks, causing oil leakage problems.

Furthermore, the conventional liquid storage device for the common electronic cigarettes of the electronic cigarette is designed to be separated from the atomized component of the electronic cigarette, and cannot be separated and replaced. After the exhausted oil is exhausted, the entire electronic cigarette device is discarded, and the mist is discarded. The entire structure of the component is also discarded, and the user needs to use it, which not only increases the purchase cost of the electronic cigarette; in addition, the liquid storage device of the electronic cigarette oil can also be designed by backfilling, but the design is scared Those who are interested in filling unidentified liquids (such as drugs) for illegal use should consider the factors of illegal use. It is necessary to improve the design of the electronic cigarette oil storage device.

In view of this, how to develop an electronic cigarette that can improve the above-mentioned conventional electronic cigarette technology, develop an electronic cigarette instead of a real cigarette, and provide a detachable electronic cigarette oil storage device is an urgent problem to be solved.

The main purpose of the present invention is to provide a liquid storage device, which is designed for the liquid storage device of the electronic cigarette oil to be re-installed on the electronic cigarette device, and then the liquid storage bag is completely enclosed in the liquid storage body. Refilling and replenishing the smoke oil, only for a single replacement, to inhibit the storage bag from being repeatedly filled with illegal injection needles, and the liquid storage device is combined with the liquid storage bag by the liquid conveyor to form a controllable switch for precise control of the cigarette The liquid quantitative high-efficiency control output solves the problem of uneven liquidity and oil leakage of the known electronic cigarette technology.

The main purpose of the present invention is to provide a liquid storage device, which is suitable for an electronic cigarette, comprising: a liquid storage body having an opening at each end, and a receiving groove and a liquid flow channel are separated from each other at the two ends And the accommodating groove and the two ends of the liquid flow channel communicate with the opening: a liquid storage bag is accommodated in the accommodating groove for storing a storage liquid, and a liquid outlet is provided for the a liquid discharge; a liquid conveyor covering the opening of the liquid storage body, and having a liquid inlet passage for connecting to the liquid outlet of the liquid storage bag, and having a liquid discharge chamber for The liquid flow channel is in communication; and a cover plate covers another opening of the liquid storage body and has an outlet pipe for communicating with the liquid flow channel; wherein the liquid conveyor is driven to make the liquid storage bag The liquid stored in the bag is drawn from the liquid outlet, and is controlled to be quantitatively outputted from the liquid discharge chamber to the liquid flow channel, and quantitative control is discharged to the outside of the liquid storage body.

Some exemplary embodiments embodying the features and advantages of the present invention are described in detail in the following description. It is to be understood that the present invention is capable of various modifications in various embodiments, and is not intended to limit the scope of the invention.

The present invention provides a liquid storage device for storing cigarette liquid of an electronic cigarette. Please also refer to FIG. 1A, FIG. 1B, FIG. 2A and FIG. 2B. In the embodiment of the present invention, the liquid storage device comprises a liquid storage body 1, a liquid storage bag 2, a liquid conveyor 4 and a cover. Board 3. The liquid storage body 1 has an opening (not shown) at each end thereof, and has a receiving groove 11 and a liquid flow channel 12 between the two ends of the opening, and is spaced apart from each other, and the receiving groove 11 and The two ends of the liquid flow channel 12 communicate with each other, and the liquid storage body 1 can be made of plastic or metal, but not limited thereto. The liquid storage bag 2 is accommodated in the accommodating groove 11 for storing the cigarette liquid, and the liquid storage bag 2 can be made of a soft or rigid material to match the shape of the accommodating groove 11, and the type of the material is not limited thereto. The reservoir bag 2 is provided with a liquid outlet 21 for discharging the cigarette liquid to the liquid conveyor 4.

Please refer to FIG. 1A, FIG. 1B, FIG. 2A, FIG. 2B and FIG. 3 . In this embodiment, the cover plate 3 has an outlet tube 31 extending through the first surface 32 and the second surface 33 ( eg Between the third embodiment, and the second surface 33 has a groove 34 surrounding the outlet tube 31 for a sealing ring 35 to be inserted thereon to prevent leakage of cigarette liquid to the periphery, the outlet tube 31 and the liquid storage The liquid flow passages 12 of the body 1 communicate with each other, and the cover plate 3 covers one end opening of the liquid storage body 1.

The liquid conveyor 4 covers the other end of the liquid storage body 1. The liquid conveyor 4 includes a tube plate 41, a second gasket 46, a valve membrane 43, a first gasket 47, and a cavity plate 42. The actuator 44 and the outer cover 45 are respectively arranged in a corresponding arrangement to form a positioning. The tube plate 41 has a liquid inlet tube passage 411 and an liquid outlet chamber 412, and as shown in FIG. 1B, the inlet tube passage 411 is connected to the liquid outlet port 21 of the reservoir bag 2, and the liquid outlet chamber The chamber 412 is connected to the flow channel 12. When the liquid transporter 4 is driven, the cigarette liquid stored in the liquid storage bag 2 is withdrawn, through the liquid outlet 21 to the liquid transporter 4, and the liquid of the cigarette is controlled by the liquid transporter 4, so that the liquid is discharged from the liquid discharge chamber. The 412 is outputted to the liquid flow path 411 to achieve quantitative control outputted outside the liquid storage body 1.

Referring to FIG. 2B, FIG. 4A, FIG. 4B and FIG. 8A, in the embodiment, the tube sheet 41 has a tube upper surface 41a and a tube sheet lower surface 41b, and the tube sheet 41 is filled with liquid. The tube passage 411 and the liquid outlet chamber 412 are spaced apart from each other and pass between the upper surface 41a of the tube sheet and the lower surface 41b of the tube sheet, and the lower surface 41b of the tube sheet is provided with a first receiving surface 414 of the tube sheet and a tube sheet The second receiving surface 413 and the groove 415 surrounding the first receiving surface 414 of the tube sheet and the second receiving surface 413 of the tube sheet, the groove 415 is disposed therein by a sealing ring 416 to prevent fluid leakage to the periphery, and the liquid discharging chamber The 412 is located on the second receiving surface 413 of the tube sheet, and the inlet pipe passage 411 is located at the first receiving surface 414 of the tube sheet, wherein the first receiving surface 414 of the tube sheet and the second receiving surface 413 of the tube sheet form a difference, and the tube sheet 41 The tube sheet first receiving surface 414 has a protrusion structure 4141 surrounding the protrusion of the inlet tube passage 411.

Referring to FIG. 2B, FIG. 6B and FIG. 8A, the second spacer 46 has at least one spacer positioning hole 46a and a through hole 46b. The second spacer 46 is disposed and attached to the tube plate 41. The tube plate first receiving surface 414 has its through hole 46b corresponding to the inlet pipe passage 411.

Referring to FIG. 2B, FIG. 5A, FIG. 5B, and FIG. 8A, in the embodiment, the cavity plate 42 has a cavity plate surface 42a, a cavity plate lower surface 42b, an inlet chamber 421, and An outlet passage 422, the inlet chamber 421 and the outlet passage 422 are passed between the upper surface 42a of the cavity plate and the lower surface 42b of the cavity plate, and the surface 42a of the cavity plate is provided with a first receiving surface 424 of the cavity plate and a second receiving surface of the cavity plate. The surface 425 and the plurality of cassettes 423, and the inlet chamber 421 is disposed in the region of the first receiving surface 424 of the cavity plate, the outlet channel 422 is disposed in the region of the second receiving surface 425 of the cavity plate, and the lower surface 42b of the cavity plate is recessed with a pressure chamber. 426, the pressure chamber 426 is in communication with the inlet chamber 421 and the outlet passage 422, and surrounds the recess 427 of the pressure chamber 426. The recess 427 is disposed therein by a seal ring 428 to prevent fluid from surrounding the pressure chamber 426. leakage. Wherein, the first receiving surface 424 of the cavity plate and the second receiving surface 425 of the cavity plate form a difference, and the second receiving surface 425 of the cavity plate has a convex portion structure 4221 protruding around the outlet passage 422.

Referring to FIG. 2B, FIG. 6A and FIG. 8A, the first spacer 47 has at least one spacer positioning hole 47a and a through hole 47b. The first spacer 47 is disposed and attached to the cavity plate. The receiving surface 425 is such that its through hole 47b is disposed corresponding to the outlet passage 422.

The second spacer 46 is attached to the first receiving surface 414 of the tube sheet 41, and the first spacers 47 are respectively disposed on the second receiving surface 425 of the cavity plate of the cavity plate 42. The plate 41 and the cavity plate 42 are butted together, and the valve diaphragm 43 is disposed therebetween. Please refer to FIG. 7 at the same time, the valve diaphragm 43 has two sets of valve pieces 431, 432 having the same thickness and a plurality of positioning holes 43a. A plurality of extension brackets 4311 and 4321 are respectively disposed around the two valve pieces 431 and 432 as elastic support, and a hollow hole 4312 and 4322 are formed between each of the extension brackets 4311 and 4321, and the valve diaphragm 43 is further formed. The valve 432 is disposed between the second gasket 46 and the first gasket 47 and covers the first receiving surface 424 of the cavity plate and the first gasket 47. The valve piece 432 corresponds to the inlet chamber 421 region, and the valve piece 431 exits the passage 422. The second spacer 46 is attached to the first receiving surface 414 of the tube sheet 41 of the tube sheet 41, and the first spacers 47 are respectively placed and attached to each other. The second receiving surface 425 of the cavity plate 42 and the positioning of the valve diaphragm 43 are aligned by the positioning holes 46a, 47a, 43a thereon. Positioned on the cassette 423 of the cavity plate 42 to achieve positioning, and the number of the latches 423 of the cavity plate 42 is four, so the number of the positioning holes 46a, 47a, 43a can be set according to the number of the card 423, and the second spacer 46 The number of the positioning holes 46a is two, the number of the positioning holes 47a of the first spacer 47 is two, and the number of the positioning holes 43a of the valve diaphragm 43 is four; in the embodiment, the convex portion structure 4141 of the tube plate 41 is in contact with the valve film. The two sets of valve pieces 431 of the sheet 43 and the convex portion structure 4221 of the cavity plate 42 abut against the valve piece 432 of the valve diaphragm 43 to cause the two sets of valve pieces 431, 432 to exert a pre-force effect, which helps to generate a larger one. The pre-covering effect is to prevent the liquid in the pressure chamber 47 from flowing back. Therefore, the liquid conveyor 4 constructed in the present case does not generate a backflow between the inlet chamber 421 and the outlet passage 422 of the chamber plate 42 without being actuated. .

Further, the first spacer 47 and the second spacer 46 have a symmetrical shape, and the valve diaphragm 43 has a shape combination corresponding to the first spacer 47 and the second spacer 46. In the present embodiment, the first spacer 47 and the second spacer 46 have a semicircular shape, and the valve diaphragm 43 has a circular shape corresponding to the first spacer 47 and the second spacer 46.

Referring to FIG. 2B and FIG. 8A, the actuator 44 is disposed between the cavity plate 42 and the outer cover 45, and is assembled by a vibration plate 441 and a piezoelectric element 442. The piezoelectric element is assembled. 442 is attached to the surface of the vibrating plate 441 for the piezoelectric element 442 to be driven by a voltage to cause deformation, and the vibrating plate 441 is disposed on the lower surface 42b of the cavity plate to cover the pressure chamber 426.

Referring to FIG. 2B, FIG. 8A and FIG. 8B, the liquid storage bag 2 of the liquid storage device of the present case is accommodated in the accommodating groove 11 for storing the cigarette liquid, and the liquid conveyor 4 is assembled under the liquid storage body 1. The cover plate 3 is assembled above the liquid storage body 1, and the liquid storage bag 2 is connected to the liquid inlet pipe passage 411 of the liquid conveyor 4 by the liquid outlet port 21, and the liquid discharge chamber 412 of the liquid conveyor 4 corresponds to the liquid circulation. In the operation of the liquid transporting device 4, the piezoelectric element 442 of the actuator 44 is driven by an applied voltage to cause the vibration plate 441 to be deformed by the upper and lower displacements, thereby compressing the pressure chamber. The chamber 426 forms a pressure difference. As shown in Fig. 8A, when the vibrating plate 441 is deformed and displaced downward, the volume of the pressure chamber 426 is increased, thereby generating a suction force, and the valve piece 432 of the valve diaphragm 43 is received. A suction is rapidly opened, and the cigarette liquid of the liquid storage bag 2 is caused to be drawn from the liquid outlet 21, and flows through the inlet pipe passage 411 of the tube plate 41, the hollow hole 4322 of the valve diaphragm 43, and the inlet chamber 421 of the cavity plate 42. Flow into the pressure chamber 426 for temporary storage while the outlet valve passage 422 is also subjected to suction The valve piece 431 of the valve diaphragm 43 is subjected to the suction force to generate a closed state in which the entire downward flat contact abuts against the convex portion structure 4221, and thereafter, as shown in FIG. 8B, when the vibration plate 441 is deformed and displaced upward, this When the pressure chamber 426 is compressed and the volume is reduced, the fluid in the pressure chamber 426 is squeezed, and at the same time, the inlet chamber 421 is subjected to the thrust, and the valve piece 432 of the valve diaphragm 433 is subjected to the thrust, thereby generating the entire upward direction. The flat abutment against the convex portion structure 4141 is in a closed state, the fluid cannot be reversely flowed by the inlet chamber 421, and at this time, the outlet passage 422 is also subjected to the thrust, and the valve piece 431 of the valve diaphragm 433 is subjected to the thrust, thereby generating the entire upward direction. The detachment is in close contact with the convex portion structure 4221, and is in an open state, and the fluid can flow out of the pressure chamber 426 from the outlet passage 422, through the outlet passage 422 of the cavity plate 42, the hollow hole 4312 on the valve diaphragm 433, and The liquid discharge chamber 412 on the tube sheet 41 flows out of the fluid transport device 1, so that the process of transferring the cigarette fluid is completed, and the operations of Figs. 8A and 8B are repeated, that is, the cigarette liquid can be continuously discharged by control. To flow Channel 12, liquid transfer to achieve quantitative control cigarettes, the case of using such a liquid transfer case 4 allows fluid to transfer cigarettes process does not produce reflux, to achieve high transmission efficiency.

As shown in Fig. 9, in a preferred embodiment of the present invention, the liquid storage device 1 is applied to an electronic cigarette for storing a cigarette liquid and controlling the liquid transport of the cigarette. In this embodiment, the electronic cigarette comprises the liquid storage device 5, the atomizing component 6, the channel 7 and the suction nozzle 8 being assembled in sequence, so that the liquid storage device 5 is detachably mounted on the electronic cigarette device, and then The liquid storage bag 52 is completely enclosed in the design of the liquid storage body 51, and the refilling smoke oil can not be injected again, and can only be used for single replacement, so as to inhibit the liquid storage bag 51 from being repeatedly filled and used by the illegal injection needle, and the liquid storage device 5 The liquid transporter 54 is combined with the liquid storage bag 52 to form a controllable switch for accurately controlling the quantitative and high-efficiency control output of the cigarette liquid, and to solve the problem of uneven liquidity and oil leakage of the known electronic cigarette technology.

As shown in Fig. 10, another preferred embodiment of the present invention is compared with the embodiment shown in Fig. 9, except that another form of atomizing member 6 is applied to implement the applied electronic cigarette, and the electronic cigarette contains the same. The liquid device 5, the atomizing member 6, the passage 7 and the suction nozzle 8 are assembled in sequence, so that the liquid storage device 5 is detachably mounted on the electronic cigarette device, and is further closed with the liquid storage bag 52. The design of the liquid body 51 can not be refilled with the replenished smoke oil, and can only be used for single replacement, so as to inhibit the liquid storage bag 51 from being repeatedly filled and used by the illegal injection needle, and the liquid storage device 5 is combined with the liquid storage bag by the liquid conveyor 54. The bag 52 forms a controllable switch for accurately controlling the quantitative and high-efficiency control output of the cigarette liquid, and solves the problem of uneven liquidity and oil leakage of the known electronic cigarette technology.

In summary, the present invention provides a liquid storage device for removably replacing the liquid storage device of the electronic cigarette oil on the electronic cigarette device, and then cooperating with the design of the liquid storage bag completely enclosed in the liquid storage body. It is no longer possible to inject and replenish the smoky oil, only for a single replacement, to inhibit the refilling of the sac bag by illegal injection of the needle, and the liquid storage device is combined with the sac bag by the liquid conveyor to form a controllable switch. The quantitative and high-efficiency control output of cigarette liquids solves the problem of uneven liquidity and oil leakage of cigarettes in the conventional electronic cigarette technology. Therefore, the liquid storage device of this case is of great industrial value, and the application is made according to law.

This case has been modified by people who are familiar with the technology, but it is not intended to be protected by the scope of the patent application.

1‧‧‧Liquid body

11‧‧‧ accommodating slots

12‧‧‧Flow channel

2‧‧‧ liquid storage pouch

21‧‧‧liquid outlet

3‧‧‧ Cover

31‧‧‧Export tube

32‧‧‧ first surface

33‧‧‧ second surface

34‧‧‧ Groove

35,416, 428‧‧‧ Seal ring

4‧‧‧Liquid conveyor

41‧‧‧ tube plate

411‧‧‧Inlet pipe channel

412‧‧‧Liquid chamber

413‧‧‧The second bearing surface of the tube sheet

414‧‧‧The first bearing surface of the tube sheet

4141, 4221‧‧‧ convex structure

41a‧‧‧Board upper surface

41b‧‧‧ lower surface of the tubesheet

42‧‧‧ cavity plate

421‧‧‧ entrance chamber

422‧‧‧Exit channel

423‧‧‧Carmen

424‧‧‧The first receiving surface of the cavity plate

425‧‧‧The second receiving surface of the cavity plate

42a‧‧‧Veneer surface

42b‧‧‧ lower surface of the cavity plate

426‧‧‧pressure chamber

43‧‧‧valve diaphragm

431, 432‧‧‧ valve pieces

4311, 4321‧‧‧ extended bracket

4312, 4322‧‧‧ hollow holes

44‧‧‧Actuator

441‧‧‧vibration board

442‧‧‧Piezoelectric components

45‧‧‧ Cover

46‧‧‧Second gasket

47‧‧‧First gasket

43a, 46a, 47a‧‧‧ positioning holes

46b, 47b‧‧‧ perforation

5‧‧‧Liquid storage device

51‧‧‧Liquid body

52‧‧‧ liquid storage bag

54‧‧‧Liquid conveyor

6‧‧‧Atomizing parts

7‧‧‧ channel

8‧‧‧ nozzle

Fig. 1A is a schematic view showing the three-dimensional appearance of the liquid storage device of the present invention. FIG. 1B is a schematic view showing a section of the liquid storage device and a liquid flow direction of the present invention. Fig. 2A is a schematic view showing the decomposition structure of the liquid storage bag of the liquid storage device of the present invention. FIG. 2B is a schematic view showing the exploded structure of the liquid conveyor of the liquid storage device of the present invention. Figure 3 is a schematic view showing the bottom surface of the cover of the liquid storage device of the present invention. Figure 4A shows a front view of the tube sheet of the liquid conveyor of the present invention. Fig. 4B is a schematic view showing the bottom surface of the tube sheet of the liquid conveyor of the present invention. Figure 5A shows a front view of the cavity plate of the liquid conveyor of the present invention. FIG. 5B is a schematic view showing the bottom surface of the cavity plate of the liquid conveyor of the present invention. Fig. 6A is a front view showing the first gasket of the liquid conveyor of the present invention. Figure 6B is a front view showing the second gasket of the liquid conveyor of the present invention. Fig. 7 is a front view showing the valve diaphragm of the liquid conveyor of the present invention. Fig. 8A is a schematic view showing the state of the fluid transporting operation of the liquid conveyor of the present invention. Fig. 8B is a schematic view showing the state of the fluid transporting operation of the liquid conveyor of the present invention. Figure 9 is a cross-sectional view showing an electronic cigarette according to a preferred embodiment of the present invention. Figure 10 is a cross-sectional view showing an electronic cigarette according to another preferred embodiment of the present invention.

Claims (12)

A liquid storage device, suitable for an electronic cigarette, comprising: a liquid storage body having an opening at each end, a receiving groove and a liquid flow channel between the two ends of the opening are spaced apart from each other, and the receiving body is disposed The tank and the two ends of the liquid flow passage communicate with the opening; a liquid storage bag is accommodated in the receiving groove for storing a liquid, and a liquid outlet is provided for discharging the liquid; a liquid conveyor Covering the opening of the liquid storage body, and having a liquid inlet passage for connecting to the liquid outlet of the liquid storage bag, and having an liquid discharge chamber for communicating with the liquid flow passage; And a cover plate covering the other opening of the liquid storage body, and having an outlet pipe for communicating with the liquid flow channel; wherein the liquid conveyor is driven to store the liquid in the liquid storage bag The liquid outlet is extracted, and is controlled to be quantitatively outputted from the liquid discharge chamber to the liquid flow channel, and quantitative control is discharged to the outside of the liquid storage body. The liquid storage device of claim 1, wherein the liquid conveyor comprises: a tube sheet having the inlet tube passage and the outlet chamber spaced apart from each other and penetrating a tube sheet An upper surface and a lower surface of the tube sheet, and a lower surface of the tube sheet is provided with a first receiving surface of the tube sheet and a second receiving surface of the tube sheet, and the liquid discharging chamber is located at the second receiving surface area of the tube sheet The inlet pipe passage is located in the first receiving surface area of the tube sheet; a cavity plate having an inlet chamber and an outlet passage, and passing through a surface of the cavity plate and a lower surface of the cavity plate, and the a first receiving surface of the cavity plate and a second receiving surface of the cavity plate are disposed on the surface of the cavity plate, and the inlet cavity is located at a first receiving surface area of the cavity plate, and the outlet channel is located at a second receiving surface area of the cavity plate, and a lower surface of the cavity plate is recessed with a pressure chamber to communicate with the inlet chamber and the outlet passage; a first gasket is attached to the second receiving surface of the cavity plate, and has a perforation for the outlet passage; a valve diaphragm Between the tube sheet and the cavity plate, positioning and covering the cavity plate a first receiving surface of the plate and the first gasket, and having two sets of valve pieces of the same thickness, the two sets of valve pieces respectively corresponding to the inlet chamber and the outlet passage area, and being elastically displaced thereon a second gasket that fits the second receiving surface of the tube sheet and has a perforation in the inlet passage; an actuator that covers the pressure chamber; and an outer cover that covers the actuator Thereby, the tube plate, the second gasket, the valve membrane, the first gasket, the cavity plate, the actuator and the outer cover are respectively arranged in a correspondingly arranged position to form a positioning, the actuator Being driven, the pressure chamber is compressed to form a pressure difference to control the opening and closing of the two valve pieces of the valve diaphragm, and the liquid outlet of the liquid storage bag is caused to output the liquid, and the liquid inlet passage passes through the inlet The inlet chamber to the pressure chamber is re-introduced into the outlet passage and discharged from the outlet chamber to achieve quantitative control of liquid transfer. The liquid storage device of claim 2, wherein the first receiving surface of the tube sheet and the second receiving surface of the tube sheet form a difference. The liquid storage device of claim 2, wherein the first receiving surface of the cavity plate and the second receiving surface of a cavity plate form a difference. The liquid storage device of claim 2, wherein the first gasket and the second gasket have a symmetrical shape, and the shape of the valve membrane is the first gasket and the second gasket A combination of the shapes of the pieces. The liquid storage device of claim 5, wherein the first gasket and the second gasket are semicircular, and the valve membrane is circular. The liquid storage device of claim 2, wherein the valve diaphragm is provided with a plurality of extension brackets around the two sets of valve sheets for elastic support, and each of the extension brackets is adjacent to each other. Form a hollow hole. The liquid storage device of claim 2, wherein the plurality of cassettes are disposed on the surface of the cavity plate. The liquid storage device of claim 8, wherein the valve diaphragm is provided with a plurality of positioning holes corresponding to the plurality of cassette positions on the upper surface of the cavity plate for positioning into the plurality of cassettes. Valve diaphragm. The liquid storage device of claim 8, wherein the first gasket and the second gasket respectively comprise a plurality of positioning holes, wherein the plurality of positioning holes correspond to a plurality of positioning positions for providing The first gasket and the second gasket are positioned to be inserted. The liquid storage device of claim 2, wherein the tube sheet is located on the first receiving surface of the tube sheet, and has a convex structure surrounding the protrusion of the inlet tube passage, and the cavity plate is located at the cavity plate. The second receiving surface has a protrusion structure surrounding a protrusion around the outlet channel, and the two protrusion structures respectively abut the two sets of valve pieces of the valve diaphragm, so that the two sets of valve sheets are combined to generate a pre-force effect, To prevent backflow. The liquid storage device of claim 2, wherein the actuator is assembled from a vibrating plate and a piezoelectric element, wherein the piezoelectric element is attached and fixed to a surface of the vibrating plate for application. The voltage drives the piezoelectric element to deform, and the vibrating plate is assembled on the lower surface of the cavity plate to cover the pressure chamber.