CN212349175U - Sprayer and jet pushing device thereof - Google Patents

Abstract

A sprayer and a jet fluid pushing device thereof comprise a shell, a plurality of sprayers arranged in the shell, and a control unit connected with each sprayer, wherein one or more sprayers are respectively arranged on the control unit to spray fluid to generate reaction force given by medium in a suspension environment, so that the whole sprayer can be subjected to external force to generate movement or movement trend. The opening and closing of any output port or the opening size of any output port is an adjuster for outputting opening fluid of other ports through the multi-output nozzle of one hydraulic system, and the motion of the piston realizes precision, stability and controllability; the pushing device based on the sprayer does not need an expansion driving mode of a motor at all and has no noise; light weight and high thrust.

Description

Sprayer and jet pushing device thereof

Technical Field

The utility model relates to a technique in mechanical drive mechanism field specifically is an atomizer and jet thrust unit thereof.

Background

The existing spraying device mostly adopts a closed structure, and because the liquid level in the spraying cavity changes, the negative pressure cavity becomes gradually larger, uniform atomization spraying can not be carried out under continuous pressure, and the spraying amount can not be accurately controlled or predicted.

Through the search of the prior art, Chinese patent document No. CN109555749A, published 2019, 4 and 2 discloses a multi-pipe self-supporting device, which comprises: a negative pressure actuator, a fluid actuator; when the negative pressure actuator forms a negative pressure cavity, the fluid actuator forms an accommodating cavity with an accommodating space; under the drive of the atmosphere, the volume of a negative pressure cavity formed by the negative pressure actuator can be reduced, the negative pressure actuator is linked with the fluid actuator, the volume of a containing cavity with a containing space formed by the fluid actuator is reduced, and the fluid in the containing cavity is discharged. However, the technology cannot solve the problems of accurate regulation and control of the fluid variation and start-stop and position maintenance of the movement speed and the movement position of the piston rod, namely the problem of accurate regulation and control of the solution amount.

SUMMERY OF THE UTILITY MODEL

The utility model provides an atomizer and jet thrust unit thereof to the above-mentioned not enough that prior art exists.

The utility model discloses a realize through following technical scheme:

the utility model relates to a sprayer, include: casing, set up at least one pressure unit inside the casing, with drive unit and the check valve port that this pressure unit corresponds the continuous, wherein: the fluid input and output end and the medium output end of the pressure unit are respectively connected with at least one-way valve port, the pressure unit comprises a vacuum cavity, a fluid cavity and a piston, the driving unit drives the piston to move accurately so as to drive the vacuum cavity to generate vacuum, and further drives the piston to enable the fluid cavity to output hydraulic pressure and drive the one-way valve port of the fluid output end to output fluid at constant pressure.

The utility model relates to a fluid thrust unit spouts based on above-mentioned atomizer, including the casing and set up in its inside a plurality of atomizers and the control unit who links to each other with each atomizer, set up one or more atomizer blowout fluid respectively through the control unit and in order to produce the reaction force that the medium gave in the suspension environment, and can make whole external force that receives in order to produce motion or motion trend.

The liquid in the fluid cavity is connected and output to a plurality of ports through hoses so as to form the thrust or thrust direction of the outward thrust direction vector or vector sum of different opening and closing combinations.

Technical effects

Compared with the prior art, the utility model has the advantages that the opening and closing of any output port or the opening size of the output port is the regulator for outputting other open fluid through the multi-output nozzle of the hydraulic system; the opening and closing or opening size of any output port is an adjuster of the movement speed of the piston, so that the movement of the piston is precise, stable and controllable; the fluid outflow speed of any piston port is controlled by opening and closing any one or more other ports; when any one or more than one opening is opened and the output quantity is consistent, the flow rate or the pressure of the opening fluid is the same or the same, and the pushing device based on the sprayer does not need the expansion driving mode of a motor at all and has no noise; light weight and high thrust.

Drawings

FIG. 1 is a schematic view of the present invention;

FIGS. 2-4 are schematic views of a check valve port of an embodiment;

FIG. 5 is a schematic view of a microswitch;

FIG. 6 is a schematic view of an exercise assisting apparatus;

fig. 7 is a schematic view of a fluid driving device.

Detailed Description

Example 1

As shown in fig. 1, the present embodiment relates to a sprayer including: casing 1, set up at least one pressure unit 2 inside casing 1, with this pressure unit 2 drive unit 4 and the check valve port that corresponds the continuous, wherein: the fluid input end and the medium output end of the pressure unit 2 are respectively connected with at least one-way valve port, the pressure unit 2 comprises a vacuum cavity a, a fluid cavity b and a piston 202, the driving unit 4 drives the piston 202 to move accurately so as to drive the vacuum cavity a to generate vacuum, and further drives the piston 202 to enable the fluid cavity b to output hydraulic pressure and drive the one-way valve port of the fluid output end to output fluid at constant pressure.

Preferably, a plurality of pressure units 2 are arranged in the housing 1 and connected in series or in parallel to realize the pressure increase or the injection quantity increase of the output fluid.

If the vacuum cavity a and the fluid cavity b are arranged on the same side, the one-way valves 203 corresponding to the vacuum cavity a and the fluid cavity b are oppositely arranged; when the vacuum chamber a and the fluid chamber b are oppositely arranged, the check valves 203 corresponding to the vacuum chamber a and the fluid chamber b are identically arranged.

As shown in fig. 1, the driving unit 4 employs a screw 402 driven by an electromagnet 401, wherein: the lead screw 402 is connected to the piston 202.

As shown in fig. 2, the driving unit 4 employs a spring 403, or a piezoelectric ceramic 404 as shown in fig. 3, or manually, wherein: the spring and the piezoelectric ceramic are preferably disposed in the vacuum chamber a.

As shown in fig. 4, the driving unit 4 preferably uses a shape memory alloy spring 405, which is a conductor that is energized and will self-heat and elongate due to joule effect, and at the same time generates an elongation expansion thrust, dragging the piston to push outwards against the negative pressure, and thus driving the end of the pumping piston to perform pumping.

The shape memory alloy (such as N alloy) spring is used as a conductor to be powered off, and the shape memory alloy spring is cooled and contracted to recover. At the moment, the vacuum piston is retracted under the action of negative pressure, so that the liquid piston is driven to retract and discharge liquid at the same time.

As shown in fig. 1, the check valve port of the fluid output end is preferably further provided with an electric, magnetic or thermal driven micro switch 3 or an inductive switch, and the micro switch 3 is used for controlling the frequency of outputting the fluid.

As shown in fig. 5, the operating end of the microswitch 3 is movably arranged at the fluid output end, and the opening and closing of the fluid output end are realized by swinging or moving.

The microswitch 3 is preferably driven by external input power or by battery storage power.

The density of the fluid is greater than or equal to the density of the medium.

The medium adopts but not limited to air, and the fluid adopts but not limited to a phase-change material, such as paraffin, is liquefied at high temperature to be gasified and heated, and then expands in volume, drives or sprays fluid outwards.

As shown in fig. 6, the housing 1 is provided with auxiliary motion means on the outside, by which the range of motion of the sprayer is increased/guided.

The auxiliary motion device is a six-axis rotating motion rod or a rail car connected with the shell 1, so that the effect that the shell 1 moves for spraying according to a preset program is achieved.

In this embodiment, a stable pressure or flow output can be realized through the above structure, and a single-step accumulated pulsation output can be realized, for example: the large quantity value can be accumulated and output by realizing one-time movement and repeated opening and closing once opening and closing; if the single opening and closing amount is stable and accurate, the total accumulated output amount or the movement displacement of the piston rod can be accurately controlled; if the single step output is in the order of microliter, the output precision of the whole device can be controlled in the order of microliter, which is not easy or difficult to realize in other ways.

Example 2

As shown in fig. 7, the present embodiment relates to a jet fluid propelling device based on the above-mentioned sprayers, which includes a housing, a plurality of sprayers disposed inside the housing, and a control unit connected to each sprayer, wherein one or more sprayers are disposed in the control unit respectively to spray fluid to generate a reaction force given by a medium in a suspension environment, so that the whole body can be subjected to an external force to generate a motion or a motion trend.

The device can form a one-to-many or many-to-one or many-to-many opening flow rate adjusting mode; the liquid in one fluid cavity is output from a plurality of ports, and the flexible pipe connection can conveniently lead the fluid to pass through any cavity of the structure, and the opening is arranged at any structure direction position; one or more than one or the condition that all the openings are sprayed out simultaneously is formed; the thrust direction of the vector or vector sum compounded to the external thrust direction of different opening and closing combinations can be formed, and the realization of multi-directional movement and the accurate control of multi-directional displacement under the condition of integral suspension can be flexibly controlled.

The state of the opening is controlled by using, but not limited to, light, heat and position sensing sensors.

The jet fluid pushing device can also be arranged on a precise sliding platform, such as an air floatation or magnetic levitation platform, so as to realize jet thrust.

The foregoing embodiments may be modified in various ways by those skilled in the art without departing from the spirit and scope of the present invention, which is not limited by the above embodiments but is to be accorded the full scope defined by the appended claims, and all such modifications and variations are within the scope of the invention.

Claims (10)

1. A nebulizer, comprising: casing, set up at least one pressure unit inside the casing, with drive unit and the check valve port that this pressure unit corresponds the continuous, wherein: the fluid input and output end and the medium output end of the pressure unit are respectively connected with at least one-way valve port, and the pressure unit comprises a vacuum cavity, a fluid cavity and a piston.

2. The sprayer according to claim 1, wherein the vacuum chamber and the fluid chamber are disposed on the same side, and the check valves corresponding to the vacuum chamber and the fluid chamber are disposed oppositely; when the vacuum cavity and the fluid cavity are oppositely arranged, the check valves on the corresponding vacuum cavity and the fluid cavity are arranged identically.

3. The sprayer according to claim 1, wherein the drive unit is an electromagnetically driven lead screw, a spring, a shape memory alloy, a magnetostrictive material, an electrostrictive material, a piezoelectric ceramic, a phase change material, a thermally expansive material, or a combination thereof.

4. A sprayer according to claim 1 or 3, wherein the drive unit employs an electromagnetically driven lead screw, wherein: the screw rod is connected with the piston.

5. The sprayer according to claim 1, wherein the check valve port is further provided with an electric, magnetic, thermal-driven microswitch or inductive switch for controlling the frequency and output of the output fluid.

6. The sprayer according to claim 5, wherein the operating end of the microswitch is movably disposed at the fluid outlet end, and the fluid outlet end is opened and closed by swinging or moving.

7. A sprayer according to claim 1, wherein the housing is externally provided with auxiliary movement means by which the range of motion of the sprayer is increased/guided.

8. A sprayer according to claim 7, wherein the auxiliary movement means is a six-axis rotary movement lever or a vehicle connected to the housing to effect movement and/or spraying of the housing in accordance with a predetermined program.

9. A fluid-propelling device for a nebulizer as claimed in any one of the preceding claims comprising: the shell, the sprayers arranged in the shell and the control unit connected with the sprayers are respectively provided with one or more sprayers to spray fluid so as to generate counterforce given by medium in a suspension environment, and the whole body can be subjected to external force to generate movement or movement trend.

10. The jet fluid pushing device according to claim 9, wherein the fluid in the fluid chamber is output to a plurality of ports through a hose connection so as to form a thrust or a thrust direction of an outward thrust direction vector or a vector sum of different opening and closing combinations;

the state of the opening is controlled by light, heat and position induction sensors.

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