CN111036438A

CN111036438A - Fluid micro-spraying device and execution assembly thereof

Info

Publication number: CN111036438A
Application number: CN202010010801.1A
Authority: CN
Inventors: 闵继江; 李长峰; 冒洋洋; 孙培
Original assignee: Changzhou Mingseal Robotic Technology Co Ltd
Current assignee: Changzhou Mingseal Robotic Technology Co Ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-04-21

Abstract

The invention discloses a fluid micro-spraying device and an executive component thereof, wherein the executive component comprises: the base body is limited with an actuating mechanism installation cavity and an adjusting mechanism installation cavity and is provided with a positioning hole communicated with the actuating mechanism installation cavity; the actuating mechanism is movably arranged in the actuating mechanism mounting cavity, and at least one part of the actuating mechanism extends into the adjusting mechanism mounting cavity; the adjusting seat, at least one part of which passes through the positioning hole and extends into the adjusting mechanism mounting cavity, is provided with a channel communicated with the actuating mechanism mounting cavity, and a movable element of the fluid micro-spraying device can pass through the channel and extend into the adjusting mechanism mounting cavity and is connected with at least one part of the actuating mechanism; the adjusting mechanism is movably arranged in the adjusting mechanism mounting cavity, and at least one part of the adjusting mechanism is connected with the adjusting seat so as to adjust the axial movement of the adjusting seat along the movable element and drive the movable element to move along the axial direction. The actuating assembly of the fluid micro-spraying device can effectively improve the convenience of regulating and controlling the movable element.

Description

Fluid micro-spraying device and execution assembly thereof

Technical Field

The present invention relates to an actuator assembly for a fluid micro-jetting device and a fluid micro-jetting device having the actuator assembly.

Background

The existing fluid micro-spraying device is generally provided with a threaded sleeve between the lower part of the device and the upper part of a workpiece to be processed, the position relation and the contact force between a nozzle and a closing element can be adjusted by screwing the threaded sleeve, and the adjustment efficiency is low and the operation is inconvenient when a special tool is used for adjustment due to the limited adjustment space and the easily shielded sight.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art.

Therefore, the invention provides an actuating assembly of a fluid micro-spraying device, which is convenient to use and simple to assemble.

The invention also provides a fluid micro-spraying device which has the advantages of convenience in operation, improvement in loading, unloading and cleaning efficiency and the like.

An actuator assembly for a fluid microjet apparatus according to an embodiment of the first aspect of the present invention includes: the adjusting mechanism comprises a base body, an actuating mechanism mounting cavity and an adjusting mechanism mounting cavity are limited in the base body, and a positioning hole communicated with the actuating mechanism mounting cavity is formed in the base body; the actuating mechanism is movably arranged in the actuating mechanism mounting cavity, and at least one part of the actuating mechanism extends into the adjusting mechanism mounting cavity; the adjusting seat is provided with a channel communicated with the actuating mechanism mounting cavity, and a movable element of the fluid micro-spraying device can penetrate through the channel to extend into the adjusting mechanism mounting cavity and is connected with at least one part of the actuating mechanism; the adjusting mechanism is movably arranged in the adjusting mechanism mounting cavity, and at least one part of the adjusting mechanism is connected with the adjusting seat so as to adjust the axial movement of the adjusting seat along the movable element and drive the movable element to move along the axial direction.

According to the execution assembly of the fluid micro-injection device, the base body, the execution mechanism, the adjusting seat and the adjusting mechanism are combined, and the adjusting mechanism is matched with the adjusting seat, so that convenience in adjusting the position relation between the movable element and the nozzle can be improved, the movable element can be reset after the execution assembly of the fluid micro-injection device is disassembled from the flow channel assembly by a user, the problem that an operator needs to debug the flow channel assembly for a long time after the flow channel assembly is re-assembled is solved, and the disassembling, cleaning and installing efficiency is improved.

According to one embodiment of the invention, the base body is provided with an adjusting hole communicated with the adjusting mechanism mounting cavity, the upper end of the adjusting mechanism extends out of the adjusting hole, and the lower end of the adjusting mechanism is connected with the adjusting seat.

According to one embodiment of the invention, the adjusting mechanism mounting cavity is formed into a cavity extending in the vertical direction and penetrating up and down, the upper end of the adjusting mechanism mounting cavity is opened to form the adjusting hole, the lower end of the adjusting mechanism mounting cavity is opened to form the positioning hole, and the adjusting mechanism is connected with the adjusting seat to drive the adjusting seat to move in the vertical direction.

According to one embodiment of the invention, the adjusting mechanism is formed into a column shape extending along the axial direction of the adjusting mechanism mounting cavity, the lower end of the adjusting mechanism is provided with a stud, the part of the adjusting seat extending into the adjusting mechanism mounting cavity is provided with a threaded hole corresponding to the stud, and the adjusting mechanism can rotate around the axis of the adjusting seat to drive the adjusting seat to move in the vertical direction.

According to one embodiment of the invention, the upper end of the adjusting mechanism extends out of the adjusting hole to form an adjusting part, and the adjusting part is provided with scale marks extending along the circumferential direction of the adjusting part.

According to one embodiment of the invention, the adjustment seat comprises: the adjusting seat body is formed into a columnar shape extending along the axial direction of the adjusting mechanism mounting cavity and is inserted in the adjusting mechanism mounting cavity, a first pore passage extending along the axial direction of the adjusting seat body is arranged in the adjusting seat body, the upper end of the movable element extends into the first pore passage, the upper end of the adjusting seat body is provided with the threaded hole, the side part of the adjusting seat body is provided with an avoiding groove communicated with the first pore passage, and one end of the lever of the actuating mechanism penetrates through the avoiding groove to be connected with the movable element; the connecting part is connected with the adjusting seat body and arranged at the lower end of the base body, the connecting part can be used for being connected with a flow channel assembly of the fluid micro-spraying device, a second hole which is coaxial and communicated with the first hole is formed in the connecting part, and the second hole is matched with the first hole to form the channel.

According to an embodiment of the present invention, the adjusting seat body is integrally formed with the connecting portion.

According to an embodiment of the present invention, the inner wall surface of the adjusting mechanism mounting cavity is provided with a limit boss extending along the circumferential direction thereof and located below the lever, and the executing assembly further includes: the positioning seat is arranged in the execution mechanism mounting cavity, the positioning seat is formed into a columnar shape extending along the axial direction of the execution mechanism mounting cavity, an annular boss extending along the circumferential direction of the positioning seat is arranged at the upper end of the positioning seat, the annular boss abuts against the limiting boss, a third hole channel penetrating along the axial direction of the positioning seat is arranged on the positioning seat, and the upper end of the movable element penetrates through the third hole channel to be connected with the lever; the elastic piece is arranged between the lever and the positioning seat, and two ends of the elastic piece respectively abut against the lever and the positioning seat.

According to an embodiment of the present invention, the elastic member is formed as a spring sleeved on the outer periphery of the movable element.

According to one embodiment of the present invention, the actuator assembly of the fluid micro-jetting apparatus further comprises: the limiting mechanism is arranged on the base body and is connected with the adjusting mechanism and/or at least one part of the adjusting seat, and the limiting mechanism can at least limit the position of the adjusting seat when the adjusting seat moves along the axial direction of the movable element or the position of the adjusting mechanism.

According to one embodiment of the invention, the adjustment mechanism is provided with a groove extending along a circumferential direction thereof, and the limit mechanism comprises: the first limiting part is arranged on the base body and is positioned in the adjusting mechanism mounting cavity, and at least one part of the first limiting part is inserted into the groove to limit the position of the adjusting mechanism.

According to an embodiment of the present invention, the two avoidance grooves are disposed on two opposite sides of the adjustment seat body, and the limiting mechanism includes: the second limiting part is arranged on the base body, and at least one part of the second limiting part penetrates through the avoiding groove to limit the axial moving position of the adjusting seat along the moving element.

According to an embodiment of the present invention, the inner wall surface of the adjusting mechanism mounting cavity is provided with an annular sinking groove extending along a circumferential direction thereof, a radial dimension of a lower end opening of the sinking groove is smaller than a radial dimension of an upper end of the adjusting seat body, and the actuating assembly further includes: and the compression spring is arranged in the sinking groove, is formed into an elastic piece, and two ends of the elastic piece are respectively compressed to stop against the top surface of the sinking groove and the upper end surface of the adjusting seat.

A fluid micro-jetting apparatus according to a second aspect of the present invention includes the actuator assembly of any of the above embodiments.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of an actuator assembly of a fluid microjet device according to an embodiment of the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

FIG. 3 is a schematic diagram of a substrate of an actuator assembly of a fluid microjet device according to an embodiment of the present invention;

FIG. 4 is a partial cross-sectional view of a substrate of an actuator assembly of a fluid microjet device according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a tuning body of an actuator assembly of a fluid micro-jetting apparatus, according to an embodiment of the present invention;

FIG. 6 is a partial cross-sectional view of a tuning boss of an actuator assembly of a fluid micro-jetting device, according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a first limiting portion of an actuator assembly of a fluid micro-jetting apparatus according to an embodiment of the invention;

FIG. 8 is a schematic diagram of a second limiting portion of an actuator assembly of a fluid micro-jetting apparatus according to an embodiment of the invention;

FIG. 9 is a schematic diagram of an adjustment mechanism for an actuator assembly of a fluid micro-jetting apparatus, according to an embodiment of the invention.

Reference numerals:

an execution component 100;

a base body 10; an actuator mounting cavity 11;

the adjustment mechanism mounting cavity 12; the adjustment hole 12 a; an adjustment seat mounting cavity 12 b; a projection 12 c;

a positioning hole 13;

an adjustment hole 14; a sink tank 14 a;

a limiting boss 15; an annular sink 16; a positioning groove 18;

an actuator 20; a lever 21;

an adjustment seat 30; a channel 31;

an adjustment seat body 32; the seal groove 32 a;

a connecting portion 33; a first porthole 34; a threaded hole 35; an avoidance slot 36; a positioning portion 39;

an adjustment mechanism 40; scale lines 41; the groove 42;

a positioning seat 50; an annular boss 51;

an elastic member 60;

a limiting mechanism 70;

a first stopper portion 71; screw holes 71 a;

a compression spring 72;

a second stopper 73; the mounting plate 73 a; the stopper plate 73 b.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An actuator assembly 100 of a fluid micro-jetting apparatus according to an embodiment of the present invention is described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 9, an actuator assembly 100 of a fluid micro-jetting apparatus according to an embodiment of the invention includes: the base body 10, the actuator 20, the adjustment seat 30 and the adjustment mechanism 40.

Specifically, an actuator installation cavity 11 and an adjusting mechanism installation cavity 12 are defined in a base body 10, a positioning hole 13 communicated with the actuator installation cavity 11 is arranged on the base body 10, the actuator 20 is movably arranged in the actuator installation cavity 11, at least one part of the actuator 20 extends into the adjusting mechanism installation cavity 12, at least one part of the adjusting seat 30 extends into the adjusting mechanism installation cavity 12 through the positioning hole 13, the adjusting seat 30 is provided with a channel 31 communicated with the actuator installation cavity 11, a movable element of the fluid micro-injection device can extend into the adjusting mechanism installation cavity 12 through the channel 31 and is connected with at least one part of the actuator 20, the adjusting mechanism 40 is movably arranged in the adjusting mechanism installation cavity 12, and at least one part of the adjusting mechanism 40 is connected with the adjusting seat 30 to adjust the axial movement of the adjusting seat 30 along the movable element and drive the movable element to move along the axial direction thereof.

In other words, the actuator assembly 100 of the fluid micro-jetting apparatus according to the embodiment of the present invention mainly includes the base 10, the actuator 20, the adjustment seat 30 and the adjustment mechanism 40, the actuator mounting cavity 11 and the adjustment mechanism mounting cavity 12 are defined in the base 10, the actuator 20 is mounted in the actuator mounting cavity 11, at least a portion of the actuator 20 extends into the adjustment mechanism mounting cavity 12, and the actuator 20 is engaged with the movable element, so that the flow rate of the nozzle can be controlled. The adjusting mechanism 40 is installed in the adjusting mechanism installation cavity 12, the position of the movable element along the axial direction can be adjusted through the adjusting mechanism 40, specifically, a positioning hole 13 communicated with the actuating mechanism installation cavity 11 is arranged on the base body 10, at least one part of the adjusting seat 30 penetrates through the positioning hole 13 and extends into the adjusting mechanism installation cavity 12, the movable element can penetrate through a channel 31 on the adjusting seat 30 and extends into the adjusting mechanism installation cavity 12 and is connected with at least one part of the actuating mechanism 20, when the adjusting mechanism 40 drives the adjusting seat 30 to move along the axial direction of the movable element, the adjusting seat 30 is connected with the movable element, the position of the movable element along the axial direction can be adjusted, and further, the distance between the movable element and the nozzle of the fluid micro-jetting device can be adjusted.

Therefore, the actuator assembly 100 of the fluid micro-jetting device according to the embodiment of the invention combines the base body 10, the actuator 20, the adjusting seat 30 and the adjusting mechanism 40, and the adjusting mechanism 40 and the adjusting seat 30 are mutually matched, so that convenience for adjusting the position relation between the movable element and the nozzle can be improved, the movable element can be reset after a user detaches the actuator assembly 100 of the fluid micro-jetting device from the flow channel assembly, long-time debugging of an operator after the flow channel assembly is remounted is avoided, and the detaching, cleaning and installing efficiency is improved.

In some embodiments of the present invention, the actuator assembly 100 of the fluid micro-jetting device according to the embodiment of the present invention further includes a limiting mechanism 70, the limiting mechanism 70 is disposed on the base 10 and is connected to at least a portion of the adjusting mechanism 40 and/or the adjusting seat 30, the limiting mechanism 70 can at least limit the position of the adjusting seat 30 moving along the axial direction of the movable element or the position of the adjusting mechanism 40, and the limiting of the displacement range of the adjusting seat 30 can be achieved by limiting the position of the adjusting seat 30 moving along the axial direction of the movable element, so as to prevent the adjusting seat 30 from exceeding the displacement stroke. The adjustment mechanism 40 can be prevented from being displaced during adjustment by limiting the position of the adjustment mechanism 40, and the adjustment accuracy can be improved. By using the limiting mechanism 70 to cooperate with the adjusting mechanism 40 and/or the adjusting seat 30, for example, when the limiting mechanism 70 is used to cooperate with the adjusting mechanism 40, the position of the adjusting mechanism 40 can be limited, the adjusting mechanism 40 can be prevented from deviating from the preset position, the adjusting precision can be improved, and the adjusting mechanism 40 can be prevented from dropping out of the base body.

When the limiting mechanism 70 is adopted to be matched with the adjusting seat 30, the moving position and the moving distance of the adjusting seat 30 can be limited, and the adjusting seat 30 is prevented from exceeding the preset moving stroke. When the stopper mechanism 70 is fitted to the adjustment seat 30 and the adjustment mechanism 40, respectively, the stopper function of the adjustment seat 30 and the adjustment mechanism 40 can be achieved.

As shown in fig. 3 and 4, according to an embodiment of the present invention, the base 10 is provided with an adjusting hole 14 communicating with the adjusting mechanism mounting cavity 12, an upper end of the adjusting mechanism 40 extends out of the adjusting hole 14, and a lower end of the adjusting mechanism 40 is connected to the adjusting seat 30, that is, when in use, the position of the adjusting seat 30 can be adjusted directly by the adjusting mechanism 40 extending out of the adjusting hole 14. Wherein the adjustment holes 14 can be provided at a plurality of positions on the base body 10, such as upper, lateral, etc., and axial adjustment of the movable element can be achieved by providing the adjustment mechanism 40 in a corresponding configuration, such as by using a steering mechanism, etc. Wherein, can be equipped with along the heavy groove 14a of its inner wall surface extension in the upper end of regulation hole 14, can be equipped with the sealing washer in the heavy groove 14a in regulation hole 14, guiding mechanism 40's upper end can pass the sealing washer and stretch into guiding mechanism installation cavity 12, the sealing washer can play sealed effect, the bottom surface of heavy groove 14a can closely laminate with the sealing washer, can effectively prevent that valve body internal cooling gas from revealing from regulation hole 14, can produce reverse elastic force through compressing the sealing washer simultaneously, make guiding mechanism 40 after adjusting to preset position, can not produce not hard up problem.

The upper end of the adjusting mechanism 40 extending out of the adjusting hole 14 can be provided with flower-shaped gaps, so that the adjusting mechanism 40 can be adjusted by using a matched tool conveniently, the gaps can be uniformly distributed along the circumference, the number of the gaps can be more than or equal to 2, and the gaps can be even numbers.

The upper end of adjustment mechanism 40 can be equipped with the step portion, and the lower terminal surface of step portion can cooperate with the up end of base member 10, and the lower terminal surface of step portion can laminate with the up end of base member 10 all the time, sets up the structure through the laminating and can compress tightly the sealing washer that sets up in heavy groove 14a, can make adjustment mechanism 40 adjust to predetermined position back through reverse elastic force, can not produce not hard up problem.

Preferably, the adjusting mechanism mounting cavity 12 is formed as a cavity extending in the vertical direction and penetrating up and down, the upper end of the adjusting mechanism mounting cavity 12 is opened to form the adjusting hole 14, the lower end of the adjusting mechanism mounting cavity 12 is opened to form the positioning hole 13, and the adjusting seat 30 can move up and down in the positioning hole 13. The adjusting mechanism 40 is connected with the adjusting seat 30 to drive the adjusting seat 30 to move along the vertical direction, and the structure can be greatly simplified by arranging the cavity which is through along the vertical direction, so that the production cost is reduced, a transmission structure is not required, and the position of the adjusting seat 30 can be quickly, simply and conveniently adjusted by the adjusting mechanism 40.

Alternatively, the adjusting mechanism 40 is formed into a column shape extending along the axial direction of the adjusting mechanism mounting cavity 12, a stud is arranged at the lower end of the adjusting mechanism 40, a threaded hole 35 corresponding to the stud is arranged at a part of the adjusting seat 30 extending into the adjusting mechanism mounting cavity 12, the adjusting mechanism 40 can rotate around the axis of the adjusting mechanism 40 to drive the adjusting seat 30 to move in the vertical direction, that is, the position of the adjusting mechanism 40 relative to the base body 10 can be in a fixed state, when the adjusting mechanism 40 is rotated, the adjusting seat 30 can move upwards or upwards relative to the adjusting mechanism 40, so that the adjusting seat 30 can be adjusted up and down, and the movable element can be driven to move in the up and down direction.

As shown in fig. 9, in some embodiments of the present invention, the adjusting mechanism 40 is provided with a groove 42 extending along a circumferential direction thereof, the limiting mechanism 70 includes a first limiting portion 71, the first limiting portion 71 is provided on the base 10 and located in the adjusting mechanism mounting cavity 12, and at least a portion of the first limiting portion 71 is inserted into the groove 42 for limiting a position of the adjusting mechanism 40.

The right side of the groove 42 can be communicated with the actuator mounting cavity 11, and the upper end face of the groove 42 can be matched with the upper end face of the first limiting portion 71, so that the displacement of the first limiting portion 71 in the axial direction can be limited. The first stopper portion 71 is engaged with the groove 42, so that the adjustment mechanism 40 cannot be removed from the adjustment hole 14. As shown in fig. 7, the first position-limiting portion 71 may be formed as a U-shaped member having an opening, and an inner wall surface of the U-shaped member may be matched with an inner wall surface of the groove 42, so that the position of the first position-limiting portion 71 and the position of the adjusting mechanism 40 can be fixed, and the adjusting mechanism 40 can be ensured to rotate along the axis at the same time. A screw hole 71a may be formed on a side of the first position-limiting portion 71 opposite to the opening thereof, and when the first position-limiting portion 71 is detached, a screw may be screwed into the screw hole 71a, so as to facilitate detachment and installation of the first position-limiting portion 71.

According to an embodiment of the present invention, the inner wall surface of the adjustment mechanism mounting cavity 12 may be provided with an annular sinking groove 16 extending along the circumferential direction thereof, the radial dimension of the lower end opening of the sinking groove 16 is smaller than the radial dimension of the upper end of the adjustment seat body 32, the adjustment seat body 32 is limited by the outer edge of the sinking groove 16 when moving upward, the actuator assembly 100 further includes a compression spring 72, the compression spring 72 is provided in the sinking groove 16, the compression spring 72 is formed as an elastic member and both ends thereof are compressed respectively against the top surface of the sinking groove 16 and the upper end surface of the adjustment seat 30, when the adjusting mechanism 40 drives the adjusting seat 30 to move upward, the upper end of the adjusting seat body 32 will stop against the outer edge of the sink 16, so as to prevent the upward adjustment from exceeding the adjusting range and generating over-adjustment, and the adjusting seat body 32 is always subjected to the downward acting force applied to the adjusting seat body 32 by the compression spring 72, so that the stability of downward movement of the adjusting seat 30 is improved. Wherein, the outer edge of the sink groove 16 may be formed as a flat surface to be fitted with the upper end surface of the adjustment seat body 32. When the adjustment mechanism 40 is screwed, the degree of compression of the compression spring 72 can be determined based on the ease of screwing.

The adjustment mechanism mounting cavity 12 may include an adjustment hole 12a, the adjustment hole 12a may be located between the groove 42 and the sink 16, an upper end of the adjustment hole 12a may communicate with the sink 16, and a lower end of the adjustment hole 12a may communicate with the groove 42. The adjustment hole 12a may be fitted with a corresponding portion of the adjustment mechanism 40, and the adjustment mechanism 40 may be rotated about its axial direction within the adjustment hole 12 a.

Compression spring 72 has advantages such as the source is extensive, low price, and compression spring 72's up end can be perpendicular with the spring axis, and can with the top in close contact with of heavy groove 16, can effectively guarantee the fixed of spring up end position, make the counter force pass through compression spring 72 and transmit to the adjustment seat 30 on, guarantee that the power value is stable. The lower end surface of the compression spring 72 can be perpendicular to the spring axis and can be in close contact with the upper plane of the adjusting seat 30, so that the force applied to the adjusting seat 30 can be conveniently transmitted, and the adjusting seat 30 can reach the corresponding position in time. The outer diameter of compression spring 72 may match the inner radial dimension of sink 16 to facilitate positional stability of compression spring 72.

Further, the upper end of the adjusting mechanism 40 extends out of the adjusting hole 14 to form an adjusting portion, the adjusting portion is provided with scale marks 41 extending along the circumferential direction of the adjusting portion, adjusting accuracy can be improved by arranging the scale marks 41, adjusting convenience of users for the adjusting mechanism 40 is improved, and the users can record and clearly and quickly acquire adjusting degrees. The adjusting part can be also provided with numbers which can be matched with the scribed lines so as to be convenient for determining the corresponding adjusting position. Optionally, a mark may be provided on the base 10 to quickly determine the adjusted position of the adjusting mechanism 40, so as to facilitate quick adjustment to the adjusted position in subsequent operations, thereby improving the adjustment efficiency. As shown in fig. 3, the mark may be located on the upper end surface of the base 10 and on one side of the adjustment hole 14, and the mark may be matched with the graduation mark 41, which can improve the convenience of determining the adjustment position.

As shown in fig. 5 and 6, according to one embodiment of the present invention, the adjustment seat 30 includes: the adjusting seat body 32 and the connecting portion 33, specifically, the adjusting seat body 32 is formed into a column shape extending along the axial direction of the adjusting mechanism mounting cavity 12 and is inserted into the adjusting mechanism mounting cavity 12, a first hole passage 34 extending along the axial direction of the adjusting seat body 32 is arranged in the adjusting seat body 32, the upper end of the movable element extends into the first hole passage 34, a threaded hole 35 is arranged at the upper end of the adjusting seat body 32, the lower end of the adjusting mechanism 40 can be in threaded connection with the threaded hole 35, and the up-and-down adjustment of the adjusting seat 30 can be realized through the rotation of the adjusting mechanism 40. An avoiding groove 36 communicated with the first pore passage 34 is arranged on the side part of the adjusting seat body 32, one end of a lever 21 of the actuating mechanism 20 can pass through the avoiding groove 36 to be connected with a movable element, so that the lever 21 of the actuating mechanism 20 is prevented from being interfered when the adjusting seat body 32 moves in the vertical direction, a connecting part 33 can be connected with the adjusting seat body 32 and arranged at the lower end of the base body 10, the connecting part 33 can be used for being connected with a flow channel assembly of the fluid micro-jetting device, a second pore passage which is coaxial and communicated with the first pore passage 34 is arranged on the connecting part 33, the second pore passage is matched with the first pore passage 34 to form a passage 31, and when the adjusting seat body is installed, the upper end of the movable element can sequentially pass through the second pore passage and.

Optionally, the upper end of the connecting portion 33 is provided with a positioning portion 39, the base body 10 is provided with a positioning groove 18 matched with the positioning portion 39, and when the connecting portion 33 is assembled with the base body 10, at least a part of the positioning portion 39 can be inserted into the positioning groove 18, so that the positioning effect and the installation stability are improved.

The second hole may be engaged with an upper positioning cylinder of a movable element (closing element) guide seat of a flow channel assembly of the fluid micro-jetting apparatus, and when the actuator 100 is tightly coupled to the flow channel assembly, a lower end surface (positioning plane) of the connecting portion 33 may be in tight contact with and completely coincide with an upper positioning plane of the closing element (striker) guide seat, so that an upward position of the flow channel assembly and the actuator 100 may be restricted. The axis of the guide seat is completely coaxial with the axis of the positioning hole 13, and meanwhile, the guide seat is perpendicular to a positioning plane (the lower end face of the connecting part 33), so that the front, back, left and right positions of the runner assembly and the actuating mechanism can be effectively limited.

An adjusting seat installation cavity 12b can be arranged in the adjusting mechanism installation cavity 12, the adjusting seat installation cavity 12b can be located below the sinking groove 16 and above the positioning hole 13, the upper end of the adjusting seat installation cavity 12b can be communicated with the sinking groove 16, the lower end of the adjusting seat installation cavity 12b can be communicated with the positioning hole 13, the right side of the adjusting seat installation cavity 12b can be communicated with the execution mechanism installation cavity 11, the upper top surface of the adjusting seat installation cavity 12b can be matched with the upper end surface of the adjusting seat body 32, when the adjusting seat 30 is adjusted upwards, the upper end surface of the adjusting seat body 32 is contacted with the upper end surface of the adjusting seat installation cavity 12b, and the position adjustment of the adjusting seat 30 can be effectively prevented from exceeding the range.

Alternatively, the outer peripheral surface of the adjustment seat body 32 near the lower end of the connecting portion 33 may be provided with a seal groove 32a, and a seal member may be provided in the seal groove 32a, which can ensure the internal seal of the base body 10.

Optionally, the adjusting seat body 32 and the connecting portion 33 are integrally formed, so that the adjusting seat has the advantages of convenience in production and processing, reduction in production cost and the like.

Further, two avoiding grooves 36 are provided on opposite sides of the adjusting seat body 32, the limiting mechanism 70 includes a second limiting portion 73, the second limiting portion 73 can be provided on the base 10, and at least a portion of the second limiting portion 73 passes through the avoiding groove 36 to limit the moving position of the adjusting seat 30 along the axial direction of the moving element. The two avoiding grooves 36 may be disposed oppositely, one end of the lever 21 may pass through one avoiding groove 36 to be connected to the movable element, and at least a portion of the second limiting portion 73 may pass through the other avoiding groove 36. When the adjustment seat body 32 moves downward, at least a portion of the second position-limiting portion 73 is located on the moving path of the adjustment seat body 32, and when the adjustment seat body 32 moves downward to a predetermined distance, the second position-limiting portion 73 can prevent the adjustment seat body 32 from moving downward. Alternatively, the lower end of the adjustment mechanism 40 may pass through the threaded hole 35, and the portion of the adjustment mechanism 40 passing through the threaded hole 35 may be disposed to be offset from the second stopper portion 73, preventing the second stopper portion 73 from interfering with the movement of the lower end of the adjustment mechanism 40.

The section of the adjusting seat body 32 along the axial direction can be formed into a mouth shape, the hollow part of the mouth shape can correspond to the avoiding groove 36, the upper end of the adjusting seat body 32 can be provided with a threaded hole 35, the upper end surface of the adjusting seat body 32 can be in close contact with the lower end surface of the compression spring 72, the transmission of force acting on the adjusting seat 30 is facilitated, the adjusting seat 30 can reach the corresponding position in time, and meanwhile, when the adjusting seat 30 is adjusted upwards, the upper end surface of the adjusting seat body 32 can be in contact with the upper top surface of the adjusting seat mounting cavity 12b, and the adjusting of the adjusting seat 30 is prevented from exceeding the range. The plane of the adjusting seat body 32 above the hollow portion corresponding to the square shape can be matched with the second limiting portion 73, so that the downward adjustment displacement of the adjusting seat 30 can be limited, the position of the adjusting seat 30 can be ensured in the adjustment range, and the adjusting seat 30 is prevented from being separated from the base body 10 due to excessive adjustment. The peripheral surface of the adjusting seat body 32 can be matched with the adjusting seat mounting cavity 12b, so that the axis of the adjusting seat 30 is intersected with the axis of the small bulge at the front end of the lever in the adjusting process, and the accurate transmission of force and displacement is ensured.

A protrusion 12c extending toward the channel direction may be provided on the left side of the adjustment seat mounting cavity 12b, and an upper end surface of the second limiting portion 73 may be engaged with the protrusion 12c, so as to limit the position of the second limiting portion 73 in the vertical direction. The inner side wall of the adjusting seat mounting cavity 12b below the protrusion 12c can be provided with a second limiting portion 73 and can be tightly attached to the rear plane of the second limiting portion 73, so that the mounting position of the second limiting portion 73 can be ensured. As shown in fig. 8, the second limiting portion 73 may include a rectangular mounting plate 73a and a limiting plate 73b disposed on the mounting plate 73a, and the mounting plate 73a and the limiting plate 73b may be integrally formed. The left side surface of the mounting plate 73a can be matched with the inner side wall of the adjusting seat mounting cavity 12b below the bulge 12c, and the left side surface of the mounting plate 73a can be fixed by screws. The upper end surface of the mounting plate 73a can be matched with the bulge on the adjusting seat mounting cavity 12b, and the position of the second limiting part 73 in the vertical direction can be determined. The left side face of the limit plate 73b can be connected with the right side face of the mounting plate 73a, the upper end face of the limit plate 73b can be matched with the upper end of the adjusting seat body 32, the downward adjusting displacement of the adjusting seat body 32 can be limited, the position of the adjusting seat 30 can be guaranteed to be within the adjusting range, and the adjusting seat 30 is prevented from being separated from the base body 10 due to excessive adjustment. The second position-limiting portion 73 may be provided with a screw hole extending in the horizontal direction, and the second position-limiting portion 73 may be fixed to the inner side surface of the base 10 by a screw, so that the position-limiting position is accurate.

In some embodiments of the present invention, the inner wall surface of the adjusting mechanism mounting cavity 12 may be provided with a limit boss 15 extending along the circumferential direction thereof and located below the lever 21, and the actuating assembly 100 further includes a positioning seat 50 and an elastic member 60.

Specifically, the positioning seat 50 may be disposed in the actuator mounting cavity 11, the positioning seat 50 may be formed in a column shape extending along an axial direction of the actuator mounting cavity 11, an annular boss 51 extending along a circumferential direction of the positioning seat 50 is disposed at an upper end of the positioning seat 50, the annular boss 51 abuts against the limit boss 15, a lower end face of the annular boss 51 of the positioning seat 50 may abut against an upper end face of the limit boss 15, and a relative position between the elastic member 60 and the base 10 may be limited. When the adjusting mechanism 40 drives the adjusting seat 30 to move up and down, the position of the limiting boss 15 can be fixed relative to the base 10, and the relative position of the positioning seat 50 and the base 10 can be limited. The positioning seat 50 is provided with a third hole channel running through along the axial direction, the upper end of the movable element can pass through the third hole channel to be connected with the lever 21, the elastic piece 60 can be arranged between the lever 21 and the positioning seat 50, and two ends of the elastic piece 60 respectively abut against the lever 21 and the positioning seat 50. The portion below the corresponding annular boss 51 of the positioning seat 50 can be matched with the second hole channel, so as to limit the axial position of the elastic element 60, and the axis of the elastic element 60 can be made to coincide with the axis of the adjusting seat 30. The third hole channel can be matched with the lower end face of the elastic piece 60, and the reverse force is transmitted to the base body 10 through the positioning seat 50, so that the stability of the force value is ensured. The inner radial dimension of the third aperture may match the outer radial dimension of the resilient member 60 to ensure a stable position of the resilient member 60.

Further, the elastic member 60 can be formed as a spring sleeved on the periphery of the movable element, and has the advantages of wide source, low price, and the like.

The assembly process and assembly features of the actuator assembly 100 of the fluid micro-jetting apparatus according to embodiments of the present invention are described in detail below.

S1, the adjusting mechanism 40 is installed into the adjusting hole 14, the compression spring 72 is installed into the sinking groove 16 from the positioning hole 13, and the compression spring 72 is matched with the adjusting mechanism 40.

S2, the adjustment seat 30 is inserted from the positioning hole 13, the thread at the lower end of the adjustment mechanism 40 is screwed into the threaded hole 35 of the adjustment seat 30, and the upper surface of the adjustment seat 30 is fitted to the upper ceiling surface of the adjustment seat mounting cavity 12 b.

S3, the second stopper 73 is placed in the adjustment seat mounting cavity 12 b.

And S4, assembling the positioning seat 50 and the adjusting seat 30, matching the annular boss 51 of the positioning seat 50 with the limiting boss 15, and installing the elastic element 60 in the positioning seat 50.

And S5, the actuating mechanism 20 is installed in the actuating mechanism installation cavity 11, the rear end of the lever can be assembled with the swinging pin shaft, and the front end of the lever can be attached to the upper end plane of the elastic element 60.

S6, the actuator is installed in the actuator installation cavity 11, the lower part of the actuator can be matched with the rear end of the lever, the piezoelectric actuator can be prevented from being damaged by limiting the adjustment range, and the service life of the piezoelectric actuator is prolonged.

The fluid micro-jetting apparatus according to the embodiment of the invention includes the actuator 100 according to the above-mentioned embodiment, and since the actuator 100 according to the embodiment of the invention has the above-mentioned technical effects, the fluid micro-jetting apparatus according to the embodiment of the invention also has the corresponding technical effects, i.e., the convenience of adjustment and the repeated operability can be effectively improved.

Other structures and operations of the fluid micro-jetting apparatus according to embodiments of the present invention may be understood and readily implemented by those skilled in the art, and therefore, will not be described in detail.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An actuator assembly for a fluid microjet device, comprising:

the adjusting mechanism comprises a base body, an actuating mechanism mounting cavity and an adjusting mechanism mounting cavity are limited in the base body, and a positioning hole communicated with the actuating mechanism mounting cavity is formed in the base body;

the actuating mechanism is movably arranged in the actuating mechanism mounting cavity, and at least one part of the actuating mechanism extends into the adjusting mechanism mounting cavity;

the adjusting seat is provided with a channel communicated with the actuating mechanism mounting cavity, and a movable element of the fluid micro-spraying device can penetrate through the channel to extend into the adjusting mechanism mounting cavity and is connected with at least one part of the actuating mechanism;

the adjusting mechanism is movably arranged in the adjusting mechanism mounting cavity, and at least one part of the adjusting mechanism is connected with the adjusting seat so as to adjust the axial movement of the adjusting seat along the movable element and drive the movable element to move along the axial direction.

2. The actuator assembly of claim 1, wherein the base has an adjustment hole communicating with the adjustment mechanism mounting cavity, an upper end of the adjustment mechanism extends out of the adjustment hole, and a lower end of the adjustment mechanism is connected to the adjustment seat.

3. The actuator assembly of claim 2, wherein the actuator mounting cavity is formed as a vertically extending cavity that is vertically through, the upper end of the actuator mounting cavity is open to form the adjustment hole, the lower end of the actuator mounting cavity is open to form the positioning hole, and the actuator is coupled to the actuator seat to drive the actuator seat to move vertically.

4. The actuator assembly of claim 3, wherein the adjusting mechanism is formed in a cylindrical shape extending along an axial direction of the adjusting mechanism mounting cavity, a stud is disposed at a lower end of the adjusting mechanism, a threaded hole corresponding to the stud is disposed in a portion of the adjusting seat extending into the adjusting mechanism mounting cavity, and the adjusting mechanism is rotatable around an axis thereof to drive the adjusting seat to move in a vertical direction.

5. The actuator assembly of claim 4, wherein the upper end of the adjustment mechanism protrudes out of the adjustment hole to form an adjustment portion, and the adjustment portion is provided with a graduation mark extending along a circumferential direction thereof.

6. The actuator assembly of a fluid microjet device as claimed in claim 4, wherein the actuator seat comprises:

the adjusting seat body is formed into a columnar shape extending along the axial direction of the adjusting mechanism mounting cavity and is inserted in the adjusting mechanism mounting cavity, a first pore passage extending along the axial direction of the adjusting seat body is arranged in the adjusting seat body, the upper end of the movable element extends into the first pore passage, the upper end of the adjusting seat body is provided with the threaded hole, the side part of the adjusting seat body is provided with an avoiding groove communicated with the first pore passage, and one end of the lever of the actuating mechanism penetrates through the avoiding groove to be connected with the movable element;

the connecting part is connected with the adjusting seat body and arranged at the lower end of the base body, the connecting part can be used for being connected with a flow channel assembly of the fluid micro-spraying device, a second hole which is coaxial and communicated with the first hole is formed in the connecting part, and the second hole is matched with the first hole to form the channel.

7. The actuator assembly of a fluid micro-jetting device of claim 6, wherein the actuator body is integrally formed with the coupling portion.

8. The actuator assembly of a fluid micro-jetting device according to claim 6, wherein the inner wall surface of the adjustment mechanism mounting chamber is provided with a limit boss extending along a circumferential direction thereof and located below the lever, and the actuator assembly further comprises:

the positioning seat is arranged in the execution mechanism mounting cavity, the positioning seat is formed into a columnar shape extending along the axial direction of the execution mechanism mounting cavity, an annular boss extending along the circumferential direction of the positioning seat is arranged at the upper end of the positioning seat, the annular boss abuts against the limiting boss, a third hole channel penetrating along the axial direction of the positioning seat is arranged on the positioning seat, and the upper end of the movable element penetrates through the third hole channel to be connected with the lever;

the elastic piece is arranged between the lever and the positioning seat, and two ends of the elastic piece respectively abut against the lever and the positioning seat.

9. The actuator assembly of claim 8, wherein the resilient member is formed as a spring that is disposed around the periphery of the movable element.

10. The actuator assembly of a fluid microjet device as claimed in claim 6, further comprising:

the limiting mechanism is arranged on the base body and is connected with the adjusting mechanism and/or at least one part of the adjusting seat, and the limiting mechanism can at least limit the position of the adjusting seat when the adjusting seat moves along the axial direction of the movable element or the position of the adjusting mechanism.

11. The actuator assembly of a fluid microjet device as claimed in claim 10, wherein the adjustment mechanism is provided with a groove extending circumferentially thereof, and the limiting mechanism comprises:

the first limiting part is arranged on the base body and is positioned in the adjusting mechanism mounting cavity, and at least one part of the first limiting part is inserted into the groove to limit the position of the adjusting mechanism.

12. The actuator assembly of claim 10, wherein the two avoidance slots are disposed on opposite sides of the actuator body, and the limiting mechanism comprises:

the second limiting part is arranged on the base body, and at least one part of the second limiting part penetrates through the avoiding groove to limit the axial moving position of the adjusting seat along the moving element.

13. The actuator assembly of a fluid micro-jetting device according to claim 1, wherein the inner wall surface of the actuator mounting chamber is provided with an annular sink groove extending along a circumferential direction thereof, a radial dimension of a lower end opening of the sink groove is smaller than a radial dimension of an upper end of the actuator body, and the actuator assembly further comprises:

and the compression spring is arranged in the sinking groove, is formed into an elastic piece, and two ends of the elastic piece are respectively compressed to stop against the top surface of the sinking groove and the upper end surface of the adjusting seat.

14. A fluid microjet device including an actuator assembly as claimed in any one of claims 1 to 13.