CN214021439U - Fluid micro-jetting device - Google Patents

Abstract

According to the utility model discloses fluid micro-injection apparatus, include: the device comprises a base body, an actuating mechanism mounting cavity is limited in the base body, and a positioning hole is formed in the base body; the lever is arranged in the actuating mechanism mounting cavity, and two ends of the lever can move; the actuator is telescopically arranged in the actuating mechanism mounting cavity and is connected with one end of the lever; the base body is arranged on the fluid seat; the nozzle is arranged on the fluid seat; the guide seat is internally limited with a guide hole which is communicated along the axial direction of the guide seat, the lower end of the guide seat extends into the mounting cavity and is in threaded connection with the fluid seat, and the upper end of the guide seat can extend into the positioning hole when the base body is assembled with the fluid seat; the movable element is arranged in the guide hole and can move along the axial direction of the guide seat, and the upper end of the movable element is clamped with the other end of the lever when the base body is assembled with the fluid seat and is driven by the lever to move along the axial direction of the positioning hole. According to the utility model discloses fluid trace injection apparatus long service life, fluid jet mass stability is high.

Description

Fluid micro-jetting device

Technical Field

The utility model belongs to the technical field of the piezoelectric valve, concretely relates to fluid trace injection apparatus.

Background

On one hand, the existing fluid micro-jetting device generally adopts a wedge-shaped pre-tightening mechanism to adjust the pre-pressure of a piezoelectric actuator, and in the long-time operation process, the pre-tightening mechanism has the risk of micro-displacement, so that the jetting quality of the fluid micro-jetting device is influenced, and the fluid jetting quality is unstable.

In another aspect, the closing element is directly driven to move up and down along the axis of the fluid cavity by the swinging of the lever mechanism, so that the opening and closing between the closing element and the nozzle are realized, and the fluid injection is further realized. Because the end part of the lever slides in the horizontal direction with the upper plane of the closing element in the swinging process, the closing element is subjected to reciprocating transverse force in the process of moving up and down, and then the closing element and the guide element rub against each other to influence the fluid injection quality.

In addition, the conventional fluid micro-spraying device realizes the transmission of displacement and force values by the tangency of the concave surface of the large circular arc of the lever and the small cylindrical surface of the rotating shaft of the lever, but the tangency positions of the large circular arc and the small cylindrical surface are uncertain, so that the amplification ratios of the levers are different, and the consistency of a plurality of sets of fluid micro-spraying devices is influenced.

On the other hand, the axial line of the closing element (firing pin) is ensured to be coaxial with the axial line of the fluid cavity of the fluid seat by adopting the matching of the guide seat of the closing element (firing pin) and the axial hole of the fluid seat, and meanwhile, the displacement of the guide seat of the closing element (firing pin) along the axial line is limited by the matching of an execution system and the size of the flow passage assembly; however, wear may occur during long-term operation, resulting in a gap between the guide seat of the closing element (striker) and the fluid seat, resulting in misalignment of the closing element and the fluid chamber axis, which may affect the ejection quality of the fluid micro-ejection device.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.

Therefore, the utility model provides a fluid trace injection apparatus, this fluid trace injection apparatus adjusts the convenience, convenient to use, and the fluid jet quality is high.

According to the utility model discloses fluid micro-injection apparatus, include: the device comprises a base body, a positioning hole and a positioning mechanism, wherein an execution mechanism installation cavity is limited in the base body, and the base body is provided with the positioning hole communicated with the execution mechanism installation cavity; the lever is arranged in the execution mechanism mounting cavity, and two ends of the lever can move; the actuator is telescopically arranged in the actuating mechanism mounting cavity and is connected with one end of the lever to control the lever to move; the fluid seat is internally provided with a fluid cavity, a flow channel communicated with the fluid cavity and a mounting cavity communicated with the fluid cavity, and the base body is arranged on the fluid seat; the nozzle is arranged on the fluid seat and communicated with the fluid cavity; the guide seat is formed into a column shape, a guide hole which is communicated along the axial direction of the guide seat is defined in the guide seat, the lower end of the guide seat extends into the mounting cavity and is in threaded connection with the fluid seat, and the upper end of the guide seat can extend into the positioning hole when the base body is assembled with the fluid seat; the movable element is arranged in the guide hole and along the axial direction of the guide seat and can move, the upper end of the movable element is arranged at the base body and the fluid seat, the base body is connected with the other end of the lever in a clamped mode and driven by the lever to move along the axial direction of the positioning hole, and the lower end of the movable element penetrates through and extends out of the guide hole and is matched with the nozzle to be opened and closed.

According to the utility model discloses fluid micro-jet device adopts the base member, the lever, the actuator, the fluid seat, the nozzle, guide holder and movable element combine together, upper end and lever joint through making movable element, the movable element's of not only being convenient for installation and dismantlement, but also can prevent that the tip of lever from taking place the slip of horizontal direction between the last plane of swing in-process and movable element, correspondingly effectively reduce the frictional force between lever and the movable element, improve the fluid jet quality, and can also effectively transmit actuator output displacement and power transmission. Through being equipped with the guide holder between base member and fluid seat, not only can realize the direction to the movable element, can also improve the assembly convenience between guide holder and the fluid seat, guarantee after long-time operation, can not have the clearance between guide holder and the fluid seat, movable element and fluid chamber axis keep coaxial, and then effectively guarantee the fluid jet quality.

According to an embodiment of the present invention, the fluid micro-jetting apparatus further comprises: the actuator adjusting block is arranged above the actuator and can move along the vertical direction so as to adjust the position of the actuator in the vertical direction; the inclined ejecting block is arranged above the actuator adjusting block, a first adjusting inclined surface is arranged on the lower surface of the inclined ejecting block and abuts against the upper surface of the actuator adjusting block, and the inclined ejecting block can move along the horizontal direction so as to adjust the moving position of the actuator adjusting block in the vertical direction; the limiting ejector block is arranged in the actuating mechanism installation cavity, and at least one part of the limiting ejector block abuts against the inclined ejector block so as to limit the movable position of the inclined ejector block in the horizontal direction; and the position control assembly is respectively connected with the inclined ejector block and the limiting ejector block so as to coordinate and limit the relative positions of the inclined ejector block and the limiting ejector block.

According to the utility model discloses an embodiment, accuse position subassembly includes first jackscrew and second jackscrew, first jackscrew movably installs on the base member and support hold in spacing kicking block, second jackscrew movably installs on the base member and support hold in oblique kicking block.

According to the utility model discloses an embodiment, be equipped with in the base member with the guide way of actuating mechanism installation cavity intercommunication, spacing kicking block is followed the extending direction movably of guide way is located the guide way, the one end of spacing kicking block is only supported to the kicking block to one side, the other end of spacing kicking block with first jackscrew links to each other, the one end of kicking block to one side with spacing kicking block offsets, the other end of kicking block to one side with the second jackscrew links to each other, in order to inject the active position of kicking block on the horizontal direction to one side.

According to the utility model discloses an embodiment, the direction extends about the guide way, spacing kicking block is followed direction activity about the guide way, spacing kicking block for be equipped with second adjustment inclined plane on the terminal surface of oblique kicking block, second adjustment inclined plane ends to oblique kicking block is close to one side of spacing kicking block.

According to the utility model discloses an embodiment, the guide way is for locating arc wall in the base, the shape of spacing kicking block be with the corresponding arc of shape of arc wall, spacing kicking block be equipped with the arc adjustment face that the concave surface of arc wall was laminated mutually.

According to an embodiment of the invention, the movable element comprises: the cylindrical shaft is movably arranged in the positioning hole along the axial direction of the cylindrical shaft; the joint spare, the joint spare is established the upper end of cylinder axle, at least a part of joint spare stretches out the outer peripheral face of cylinder axle, the joint spare with the other end joint of lever.

According to an embodiment of the present invention, the other end of the lever is provided with a mounting hole penetrating in an up-down direction to assemble the movable member.

According to an embodiment of the invention, the movable element comprises: the upper end of the upper movable part is clamped with the lever; the upper end of the lower movable part is detachably connected with the lower end of the upper movable part, and the lower end of the lower movable part is matched with the nozzle.

According to an embodiment of the present invention, an adjustment mechanism installation cavity is further defined in the base, at least a portion of the lever extends into the adjustment mechanism installation cavity, and the fluid micro-jetting apparatus further includes: the adjusting seat, at least a part of the adjusting seat passes through the locating hole and stretches into in the adjusting mechanism mounting cavity, the adjusting seat is provided with a channel communicated with the actuating mechanism mounting cavity, and the upper end of the guide seat stretches into the channel and is in threaded connection with the adjusting seat.

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 view of a partial configuration of a fluid micro-jetting apparatus 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 a fluid microjet device according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a slanted ejecting block of a fluid micro-jetting apparatus, according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a spacing block of a fluid microjet device according to an embodiment of the present invention;

FIG. 6 is a front view of a spacing block of a fluid microjet device according to an embodiment of the present invention;

FIG. 7 is a schematic view of a portion of a fluid micro-jetting apparatus according to another embodiment of the present invention;

FIG. 8 is an enlarged view of area A' of FIG. 7;

FIG. 9 is a schematic diagram of a substrate of a fluid micro-jetting apparatus, according to another embodiment of the present invention;

FIG. 10 is a schematic diagram of a slanted ejecting block of a fluid micro-jetting apparatus, according to another embodiment of the present invention;

FIG. 11 is a schematic view of a spacing block of a fluid microjet device according to another embodiment of the present invention;

FIG. 12 is a schematic diagram of an actuator adjustment block of a fluid micro-jetting apparatus, according to an embodiment of the present invention;

FIG. 13 is a schematic diagram of a top block on an actuator of a fluid microjet device according to an embodiment of the present invention;

FIG. 14 is an enlarged view of area B of FIG. 1;

FIG. 15 is a front view of a lever of a fluid microjet device according to an embodiment of the present invention;

FIG. 16 is a top view of a lever of a fluid microjet device according to an embodiment of the present invention;

fig. 17 is a schematic structural view of an impact hammer of the fluid micro-jetting apparatus according to an embodiment of the present invention;

FIG. 18 is an enlarged view of the area B' in FIG. 7;

FIG. 19 is a front view of a lever of a fluid microjet device according to another embodiment of the present invention;

FIG. 20 is a top view of a lever of a fluid microjet device according to another embodiment of the present invention;

fig. 21 is a schematic structural view of an impact hammer of a fluid micro-jetting apparatus according to another embodiment of the present invention;

FIG. 22 is a schematic diagram of a lower actuator top piece of a fluid micro-jetting apparatus, according to an embodiment of the present invention;

fig. 23 is a schematic diagram of a swing pin of a fluid micro-jetting apparatus according to an embodiment of the present invention.

FIG. 24 is an assembled schematic view of a fluid seat, a firing pin, and a guide seat of a fluid microjet device according to an embodiment of the present invention;

FIG. 25 is a schematic view of an adjustment seat of a fluid micro-jetting apparatus according to an embodiment of the present invention;

FIG. 26 is a schematic perspective view of a guide housing of a fluid micro-jetting apparatus, according to an embodiment of the present invention;

fig. 27 is a cross-sectional view of a guide seat of a fluid micro-jetting device, according to an embodiment of the present invention.

Reference numerals:

an execution system 100;

a slanted ejecting block 1; a first adjustment slope 1 b; a small inclined surface 1 c; positioning side 1' c;

an actuator adjusting block 2; an actuator upper top block 3; an actuator 4;

a base body 5; a limiting plane 5 j; a rotating shaft cylindrical surface 5' j;

an actuator lower top block 6;

a lever 7; an arc-shaped slot 7 a; a fitting concave surface 7 b; a projection 7 c; a plug-in groove 7' c;

a pin shaft 8 is swung; a small cylindrical surface 8 a; a positioning side 8 b; a positioning bottom surface 8 c;

an adjustment seat 22;

an impact hammer 23; a limit boss 23 a; a cylindrical shaft 23 d;

a limit top block 26; an upper plane 26 a; a slope 26 b; rotating the cylindrical surface 26' a; a stop cylindrical surface 26' b;

a striker 27;

a guide seat 29'; the third projection 29' a; through holes 29' b; seal groove 29' h; the first projection 29' f; second projections 29' g;

a fluid seat 30;

a nozzle 35;

the fluid micro-jetting apparatus 200.

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 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 drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "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, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following describes a fluid micro-jetting apparatus 200 according to an embodiment of the present invention with reference to the drawings.

As shown in fig. 1 to 27, a fluid micro-jetting apparatus 200 according to an embodiment of the present invention includes: base body 5, lever 7, actuator 4, fluid seat 30, nozzle 35, guide seat 29' and the mobile element.

Specifically, an actuator installation cavity is defined in the base body 5, a positioning hole communicated with the actuator installation cavity is arranged on the base body 5, the lever 7 is arranged in the actuator installation cavity, two ends of the lever 7 can move, the actuator 4 is telescopically arranged in the actuator installation cavity, the actuator 4 is connected with one end of the lever 7 to control the lever 7 to move, a fluid cavity, a flow channel communicated with the fluid cavity and an installation cavity communicated with the fluid cavity are defined in the fluid seat 30, the base body 5 is arranged on the fluid seat 30, a nozzle 35 is arranged on the fluid seat 30 and communicated with the fluid cavity, a guide seat 29' is formed into a column shape, a guide hole which is communicated along the axial direction of the guide seat is defined in the guide seat 29', the lower end of the guide seat 29' extends into the installation cavity and is in threaded connection with the fluid seat 30, the upper end of the guide seat 29' can extend into the positioning hole when the base body 5 is assembled with the fluid seat 30, a movable element is arranged in the guide hole and can move along the axial direction of the guide seat 29', the upper end of the movable element is clamped with the other end of the lever 7 when the base body 5 is assembled with the fluid seat 30, the movable element is driven by the lever 7 to move along the axial direction of the positioning hole, and the lower end of the movable element penetrates through and extends out of the guide hole and is matched with the nozzle 35 to open and close the nozzle 35.

In other words, the fluid micro-jetting apparatus 200 according to the embodiment of the present invention mainly comprises the base body 5, the lever 7, the actuator 4, the fluid seat 30, the nozzle 35, the guide seat 29' and the movable element, wherein the base body 5 has an actuator installation cavity, and a positioning hole is further provided on the base body 5, and the positioning hole is communicated with the actuator installation cavity. A lever 7, an actuator 4, and the like are mounted in the actuator mounting chamber. When the base body 5 extends in the up-down direction, a fluid seat 30 is provided below the base body 5, and the fluid seat 30 has a fluid chamber, a flow channel, and a mounting chamber, and specifically, the flow channel and the mounting chamber are respectively communicated with the fluid chamber. A nozzle 35 is also provided on the fluid seat 30, and opening and closing of the nozzle 35, and thus control of the flow rate of fluid from the nozzle 35, can be achieved by a movable element associated with the nozzle 35. Specifically, both ends of the lever 7 are movable, and the actuator 4 is mounted above one end of the lever 7, and the actuator 4 can extend in the up-down direction. By adjusting the position of the actuator 4 in the up-down direction, the adjustment of the inclination of the lever 7 can be achieved.

The base body 5 is further provided with a positioning hole, a guide seat 29 'is arranged between the fluid seat 30 and the base body 5, a guide hole is defined in the guide seat 29', and a movable element is arranged in the guide hole and can reciprocate along the axial direction of the guide hole, so that the control of the flow rate of the fluid flowing out of the nozzle 35 is realized. The guide seat 29 'is formed in a columnar shape, and when the guide seat 29' extends in the vertical direction, the lower end of the guide seat 29 'extends into the mounting cavity and is capable of being screwed with the fluid seat 30, and the upper end of the guide seat 29' extends into the positioning hole.

Therefore, according to the embodiment of the present invention, the fluid micro-jetting device 200 employs the combination of the base body 5, the lever 7, the actuator 4, the fluid seat 30, the nozzle 35, the guide seat 29' and the movable element, and the upper end of the movable element is connected to the lever 7, so that the movable element can be conveniently mounted and dismounted, and the end of the lever 7 can be prevented from sliding horizontally between the swing process and the upper plane of the movable element, thereby effectively reducing the friction force between the lever 7 and the movable element, improving the fluid jetting quality, and effectively transmitting the output displacement and force transmission of the actuator 4. Through being equipped with guide holder 29' between base member 5 and fluid seat 30, not only can realize the direction to the movable element, can also improve the assembly convenience between guide holder 29' and the fluid seat 30, guarantee after long-time operation, can not have the clearance between guide holder 29' and the fluid seat 30, the movable element keeps coaxial with the fluid cavity axis, and then effectively guarantees the fluid jet quality.

The actuator system 100 of the fluid micro-jetting apparatus 200 according to the present invention will be described in detail.

As shown in fig. 1 to 13, the actuator system 100 of the fluid micro-jetting apparatus 200 according to the embodiment of the present invention further includes: the device comprises an actuator adjusting block 2, an inclined jacking block 1, a limiting jacking block 26 and a position control assembly.

Specifically, an actuating mechanism installation cavity is defined in the base body 5, the actuator 4 is telescopically arranged in the actuating mechanism installation cavity along the vertical direction, the actuator adjusting block 2 is arranged above the actuator 4 and can move along the vertical direction, so as to adjust the position of the actuator 4 in the vertical direction, the inclined ejecting block 1 is arranged above the actuator adjusting block 2, the lower surface of the inclined ejecting block 1 is provided with a first adjusting inclined surface 1b, the first adjusting inclined surface 1b stops against the upper surface of the actuator adjusting block 2, the inclined ejecting block 1 can move along the horizontal direction, so as to adjust the position of the actuator adjusting block 2 in the up-down direction, the limit top block 26 is arranged in the actuating mechanism installation cavity, at least one part of the limit top block 26 is stopped against the inclined top 1, so as to limit the movable position of the inclined ejecting block 1 in the horizontal direction, and the position control assembly is respectively connected with the inclined ejecting block 1 and the limit ejecting block 26 so as to coordinate and limit the relative positions of the inclined ejecting block 1 and the limit ejecting block 26.

In other words, according to the utility model discloses actuating system 100 mainly comprises base member 5, actuator 4, actuator adjusting block 2, oblique kicking block 1, spacing kicking block 26 and accuse position subassembly, and base member 5 has the actuating mechanism installation cavity, is equipped with actuator 4 in the actuating mechanism installation cavity, and actuator 4 can stretch out and draw back along upper and lower direction. The lower end of the actuator 4 can be connected to a lever, and the tilt angle of the lever can be adjusted by adjusting the position of the actuator 4 in the vertical direction. In order to limit the actuator 4, an actuator adjusting block 2 and a pitched roof block 1 are respectively arranged above the actuator 4. The actuator mounting cavity is further provided with a limiting ejector block 26, the limiting ejector block 26 is connected with the inclined ejector block 1, the movable position of the inclined ejector block 1 in the horizontal direction can be limited through the limiting ejector block 26, and the movement of the inclined ejector block 1 in the horizontal direction can be converted into the movable position of the actuator adjusting block 2 in the vertical direction through the first adjusting inclined surface 1b on the inclined ejector block 1.

It should be noted that the inclined ejector block 1 and the limiting ejector block 26 can be connected to each other through the position control assembly, and the relative positions of the inclined ejector block 1 and the limiting ejector block 26 are limited through the position control assembly.

Therefore, according to the utility model discloses actuating system 100 adopts base member 5, actuator 4, actuator adjusting block 2, oblique kicking block 1, spacing kicking block 26 and accuse position subassembly to combine together, can restrict the active position of oblique kicking block 1 on the horizontal direction through spacing kicking block 26, oblique kicking block 1 can convert the motion of horizontal direction into the motion of actuator adjusting block 2 upper and lower direction through first adjustment inclined plane to can realize the pretension to actuator 4, can prevent effectively that actuator 4's pretension mechanism from taking place the fluid jet quality that micro displacement and lead to and receiving the influence. The execution system 100 has the advantages of long service life, convenience in calibration, no need of return to the factory for maintenance, capability of keeping the stability of the fluid ejection quality and the like.

The utility model discloses an among some embodiments, accuse position subassembly includes first jackscrew and second jackscrew (not shown in the figure), and first jackscrew movably installs on base member 5 and supports and hold in spacing kicking block 26, and second jackscrew movably installs on base member 5 and supports and hold in oblique kicking block 1, cooperatees through first jackscrew and second jackscrew, can realize the restriction to spacing kicking block 26 and the position of oblique kicking block 1.

The utility model discloses an in some embodiments, as shown in FIG. 8, be equipped with the guide way that communicates with the actuating mechanism installation cavity in the base member 5, the guide way is movably located along the extending direction of guide way to spacing kicking block 26, the kicking block 1 that inclines is only supported to the one end of spacing kicking block 26, the other end of spacing kicking block 26 links to each other with first jackscrew, the one end of kicking block 1 offsets with spacing kicking block 26 to one side, the other end of kicking block 1 links to each other with the second jackscrew to inject the active position of kicking block 1 on the horizontal direction to one side.

According to the utility model discloses an embodiment, the guide way extends along the up-and-down direction, and spacing kicking block 26 is along the up-and-down direction activity of guide way. As shown in fig. 2, the end surface of the limiting ejector block 26 opposite to the oblique ejector block is provided with a second adjusting inclined surface, the second adjusting inclined surface abuts against one side of the oblique ejector block 1 adjacent to the limiting ejector block 26, the limiting ejector block 26 is movable in the up-down direction to adjust the position of the oblique ejector block 1 in the horizontal direction, that is, the lower surface of the limiting ejector block 26 is provided with a second adjusting inclined surface which is obliquely arranged, and when the limiting ejector block 26 moves in the up-down direction, the second adjusting inclined surface can also move in the up-down direction synchronously. Because the inclined ejecting block 1 is abutted against the second adjusting inclined surface, when the second adjusting inclined surface moves in the vertical direction, the inclined ejecting block 1 can move in the horizontal direction.

Furthermore, the part of the inclined ejecting block 1, which is in contact with the limiting ejecting block 26, is provided with a third adjusting inclined surface, and the second adjusting inclined surface is attached to the third adjusting inclined surface and stops against the third adjusting inclined surface, so that the stability of the movement process can be improved. Optionally, the third adjusting inclined surface of the lifter block 1 is defined as a small inclined surface 1c, the second adjusting inclined surface is optionally an inclined surface 26b, and after the lifter block 1 is adjusted in place, the position of the lifter block 1 can be limited by the tight fit of the small inclined surface 1c and the inclined surface 26 b. It should be noted that both the inclined top block 1 and the limit top block 26 can be assembled by a first top thread and a second top thread. Wherein, the first jackscrew of spacing kicking block 26 assembles from top to bottom, and the second jackscrew of oblique kicking block 1 assembles from right to left.

Further, the arc wall of guide way in for locating base member 5, the shape of spacing kicking block 26 is the arc corresponding with the shape of arc wall, and spacing kicking block 26 is equipped with the arc adjustment face of laminating mutually with the concave surface of arc wall, can effectively practice thrift the inner space through setting up the arc wall.

Alternatively, as shown in fig. 8 and 11, the limiting jacking block 26 is a C-shaped member arranged in the up-down direction, specifically, the lower end of the C-shaped member abuts against the inclined jacking block 1, and the upper end of the C-shaped member is connected with the first jackscrew. Specifically, the positioning side surface 1 'C of the inclined ejecting block 1 can be matched with the limiting cylindrical surface 26' b of the C-shaped piece, and after the inclined ejecting block 1 is adjusted in place, the position of the inclined ejecting block 1 can be limited by tightly attaching the limiting cylindrical surface 26 'b to the positioning side surface 1' C. In addition, as shown in fig. 9, a rotating shaft cylindrical surface 5 ' j is further arranged on the base body 5, the rotating shaft cylindrical surface 5 ' j is matched with a rotating cylindrical surface 26 ' a of the limit jacking block 26, after the inclined jacking block 1 is adjusted in place, the limit jacking block 26 rotates along the limit cylindrical surface 26 ' b, the limit cylindrical surface 26 ' b is tightly jacked with the inclined jacking block 1, the position of the inclined jacking block 1 is limited, and the displacement and force output by the actuator 4 are guaranteed to be stable.

It should be noted that one end of the limit jacking block 26' is assembled through a first jacking wire, the actuator inclined jacking block 1 is also assembled through a second jacking wire, and the assembling directions of the first jacking wire and the second jacking wire are the same.

Further, as shown in fig. 2 and 8, at least a part of the upper surface of the lifter block 1 abuts against the base 5, so that the lifter block 1 can be prevented from being displaced in the vertical direction, and the lifter block 1 can be restrained by the base 5.

According to the utility model discloses an embodiment, as shown in fig. 3, still be equipped with spacing plane 5j on base member 5, spacing plane 5j can cooperate with the last plane 26a of spacing kicking block 26, after oblique kicking block 1 adjusts to the right place, makes spacing kicking block 26 remove along spacing plane 5j, and is tight with oblique kicking block 1 top, and the displacement and the power of actuator 4 output are guaranteed to the position of restriction oblique kicking block 1 and are stable.

Optionally, the actuating system 100 according to the embodiment of the present invention further includes an actuator upper top block 3, and the actuator upper top block 3 is disposed between the actuator 4 and the actuator adjusting block 2. Specifically, the lower end surface of the actuator upper top block 3 is fitted to the upper end surface of the actuator 4, and the upper end surface of the actuator upper top block 3 may be fitted to the lower end surface of the actuator adjusting block 2.

The utility model discloses an among some embodiments, actuator adjusting block 2 is equipped with the fourth adjustment inclined plane with first adjustment inclined plane matched with, that is to say, at least a part on fourth adjustment inclined plane can laminate with first adjustment inclined plane, and the incline direction on fourth adjustment inclined plane is unanimous with the incline direction on first adjustment inclined plane, does benefit to and converts the motion of oblique kicking block 1 along the horizontal direction into the motion of actuator adjusting block 2 along the up-and-down direction.

Therefore, the actuating system 100 of the fluid micro-jetting device 200 according to the embodiment of the present invention combines the base body 5, the actuator 4, the actuator adjusting block 2, the slanted ejecting block 1, the limiting ejecting block 26 and the position control component, and can convert the position adjustment of the slanted ejecting block 1 along the horizontal direction into the position adjustment of the actuator 4 along the vertical direction, thereby realizing the adjustment of the position of the actuator 4.

The connection structure between the lever 7 and the movable member of the fluid micro-jetting apparatus 200 according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

According to the utility model discloses an embodiment, as shown in fig. 17, the movable element includes cylinder axle 23d and joint spare, cylinder axle 23d is established in the locating hole movably along its axial, the upper end at cylinder axle 23d is established to the joint spare, the outer peripheral face that cylinder axle 23d was stretched out to at least some of joint spare, the other end joint of joint spare and lever 7, that is to say, when cylinder axle 23d extends along upper and lower direction, be equipped with the joint spare in cylinder axle 23 d's top, can realize the joint between movable element and the lever 7 through the joint spare.

Further, as shown in fig. 16 and 20, the other end of the lever 7 is provided with a mounting hole penetrating in the up-down direction to assemble the movable member, that is, the cylindrical shaft 23d passes through the mounting hole with the snap-fit member positioned above the mounting hole. Preferably, the mounting hole is open on one side to facilitate mounting of the cylindrical shaft 23d in the mounting hole through the open end, effectively transmitting the output displacement and force transmission of the actuator 4.

Alternatively, as shown in fig. 19 and 20, the lever 7 includes: lever body and backstop portion, the both ends of lever body are mobile, the one end of lever body links to each other with actuator 4, the other end of lever body is equipped with the mounting hole, the top of lever body is located to backstop portion and its at least some sets up with the mounting hole relatively, the cooperation is injectd between backstop portion and the lever body has inserting groove 7'c, the upper end that is located inserting groove 7' c's joint spare ends with backstop portion, the lower extreme and the lever body end of joint spare are supported, not only can prevent through adopting backstop portion that the joint spare from deviating from the mounting hole, and be favorable to forming the line contact, reduce the frictional force influence, guarantee actuator 4's displacement and power transmission.

Alternatively, as shown in fig. 21, the movable element is a T-shaped piece, which is easy to manufacture and use.

In some embodiments of the utility model, as shown in fig. 17, the joint piece includes two spacing bosss 23a, two spacing bosss 23a are along the axial spaced apart distribution of cylinder axle 23d, one of them spacing boss 23a is located the top of lever body, another spacing boss 23a is located the below of lever body, when cylinder axle 23d extends along upper and lower direction, two spacing bosss 23a are along the periphery of upper and lower direction spaced apart distribution in cylinder axle 23d, when installing cylinder axle 23d in the mounting hole, a spacing boss 23a is located the top of lever body, another spacing boss 23a is located the below of lever body. The limiting boss 23 can be matched with the lever 7 in a tangent mode, so that line contact is formed, the influence of friction force is reduced, and the displacement and force transmission of the actuator 4 are guaranteed.

Further, as shown in fig. 15 and 16, the upper end surface of the lever body and/or the lower end surface of the lever body are provided with protrusions 7c protruding out of the lever body, and when the number of the protrusions 7c is two, the two protrusions 7c can be in tangential contact with the planes of the two limiting bosses 23a, so that line contact is facilitated, the influence of friction force is reduced, and the displacement and force transmission of the actuator 4 are ensured.

Preferably, the protrusion 7c is an arc-shaped protrusion.

Further, protrusions 7c are provided on both sides of the mounting hole.

According to an embodiment of the present invention, as shown in fig. 16 and 20, the mounting hole is provided at an edge of one end of the lever 7, that is, one side of the mounting hole is opened, which not only facilitates installation of the movable element, but also effectively transmits the output displacement and force transmission of the actuator 4.

In some embodiments of the invention, the movable element comprises: the upper end of the upper movable part is connected with the lever 7 in a clamping mode, the upper end of the lower movable part is detachably connected with the lower end of the upper movable part, and the lower end of the lower movable part is matched with the nozzle 35, namely, the movable element can be of a split structure. It should be noted that, when a split structure is adopted, the upper movable part may be referred to as the striking hammer 23, the lower movable part may be referred to as the striker 27, and the striker 27 may also adopt a segmented striker or an integrated striker structure.

According to the utility model discloses an embodiment, the one end upper surface of lever 7 is equipped with the arc wall 7a that extends along its thickness direction, and fluid micro-jet device 200 still includes under the actuator kicking block 6, and actuator 4's lower extreme is located to kicking block 6 under the actuator, as shown in FIG. 15, and actuator lower kicking block 6's lower extreme is equipped with arc arch 7c, and arc arch 7c pegs graft to in the arc wall 7a, and arc arch 7c through adopting arc wall 7a and actuator 4 kicking block cooperatees, can improve the location effect to actuator 4.

Furthermore, the radius of the curve of the arc-shaped protrusion 7c is smaller than or equal to that of the curve of the arc-shaped groove 7a, which is beneficial to forming line contact, reducing the influence of friction force and ensuring the displacement and force transmission of the actuator 4.

According to an embodiment of the present invention, a positioning groove is provided on the base body 5, as shown in fig. 15, the lower surface of one end of the lever 7 is provided with a fitting concave surface 7b, the fluid micro-injection device 200 further includes a swing pin 8, at least a part of the swing pin 8 is inserted into the fitting concave surface 7b, and the lever 7 is pivotally provided in the actuator mounting cavity around the axis of the swing pin 8. The connection position between the matching concave surface 7b and the swing pin shaft 8 is determined, so that the amplification ratio of the lever 7 is consistent, and the consistency of a plurality of sets of fluid micro-spraying devices 200 can be further ensured.

It should be noted that, as shown in fig. 23, the swing pin 8 is provided with a small cylindrical surface 8a, a positioning side surface 8b, and a positioning bottom surface 8c, the small cylindrical surface 8a is matched with the matching concave surface 7b, and the radius is the same, so that the swing pin 8 can be positioned in the base body 5 and kept stationary, the positioning side surface 8b can be matched with the side surface of the upper groove of the base body 5, so that the swing pin 8 can be positioned in the base body 5 and kept stationary, thereby ensuring the output displacement of the actuator 4 and the stable transmission of the force, and the positioning bottom surface 8c is matched with the upper groove bottom surface on the base body 5, so that the swing pin 8 can be positioned in the base body 5 and kept stationary, thereby limiting the installation height of the lever 7 and facilitating the assembly.

Further, the matching concave surface 7b can be formed into an arc-shaped recess matched with the swing pin shaft 8, the radius of the arc-shaped recess is smaller than or equal to the radius of a part inserted into the arc-shaped recess, a fixed rotating position is favorably formed, and the accuracy and stability of the amplification ratio and the force transmission are ensured.

Therefore, according to the fluid micro-spraying device 200 of the embodiment of the present invention, the lever 7 and the movable element are matched, and the sliding in the horizontal direction between the end of the lever 7 and the upper plane of the movable element in the swing process is effectively prevented, so that not only the friction between the lever 7 and the movable element can be effectively reduced, the fluid spraying quality is improved, but also the output displacement and the force transmission of the actuator 4 can be effectively transmitted.

The flow channel assembly of the fluid micro-jetting apparatus 200 according to the present invention will be described in detail.

According to an embodiment of the present invention, an adjustment mechanism installation cavity is further defined in the base body 5, at least a portion of the lever 7 extends into the adjustment mechanism installation cavity, as shown in fig. 1, 7 and 25, the fluid micro-injection device 200 further includes: adjusting seat 22, at least a part of adjusting seat 22 passes the locating hole and stretches into in the adjustment mechanism installation cavity, adjusting seat 22 is equipped with the passageway that switches on with the actuating mechanism installation cavity, the upper end of guide holder 29' stretches into the passageway and with adjusting seat 22 threaded connection, that is to say, install adjusting seat 22 in the adjustment mechanism installation cavity, when guide holder 29' extends along the upper and lower direction, the upper end of guide holder 29' can go deep into in the passageway and with adjusting seat 22 threaded connection, not only can realize fixed to guide holder 29', can also improve the assembly convenience of guide holder 29' and adjusting seat 22.

In some embodiments of the present invention, as shown in fig. 27, the guide seat 29' is provided with a first protrusion 29' f, the first protrusion 29' f protrudes from the outer peripheral surface of the guide seat 29', and the lower end surface of the first protrusion 29' f abuts against the upper end surface of the fluid seat 30, that is, the upper end surface of the fluid seat 30 can support the guide seat 29' upwards through the lower end surface of the first protrusion 29' f. Specifically, a lower positioning plane is provided at the lower end of the first projection 29 'f, and the axis of the guide seat 29' is completely coaxial with the axis of the mounting cavity of the fluid seat 30 by completely coinciding the positioning plane of the fluid seat 30, thereby ensuring that the axis of the movable element coincides with the axis of the nozzle 35.

Furthermore, the guide seat 29' is further provided with a second protrusion 29' g, the second protrusion 29' g protrudes from the outer peripheral surface of the guide seat 29' and is located on one side of the first protrusion 29' f, which is close to the lower end of the guide seat 29', the second protrusion 29' g and the first protrusion 29' f are distributed at intervals, the second protrusion 29' g is located in the installation cavity and abuts against the inner wall surface of the fluid seat 30, and the second protrusion 29' g is matched with the fluid seat 30, so that the tightness between the second protrusion 29' g and the fluid seat 30 can be improved. Preferably, the second protrusion 29 'g is engaged with a threaded hole of the fluid seat 30, and the guide seat 29' is fastened to the fluid seat 30 by screwing.

Optionally, the mounting cavity comprises: the first chamber that holds, the second holds the chamber and the third holds the chamber, the first intracavity that holds has the partly of the protruding 29' g of second, the second holds the chamber and is located the first below that holds the chamber and holds the chamber intercommunication with the second, the second holds another part that the intracavity held the protruding 29' g of second, the second holds the radial dimension in chamber and is greater than the first radial dimension that holds the chamber, the third holds the chamber and is located the second below that holds the chamber and holds the chamber intercommunication with the second, the third holds the intracavity and holds the lower extreme that has the guide holder 29 '.

According to an embodiment of the present invention, as shown in fig. 27, the guide seat 29' is further provided with: the third protrusion 29 'a protrudes from the outer circumferential surface of the guide seat 29' and is located on one side of the first protrusion 29 'f adjacent to the upper end of the guide seat 29', the third protrusion 29 'a and the first protrusion 29' f are distributed at intervals, and the first sealing ring is arranged between the third protrusion 29 'a and the first protrusion 29' f, so that the sealing performance can be further improved, and external impurities cannot enter the fluid micro-injection device 200. In particular, the third projection 29 'a may be formed as an upper positioning cylinder able to cooperate with the passage of the adjustment seat 22 and at the same time be screwed to the fluid seat 30, so that the axis of the guide seat 29' is perfectly coaxial with the axis of the positioning hole of the base body 5 and perpendicular to the positioning plane of the base body 5.

In some embodiments of the present invention, the fluid micro-jetting device 200 further comprises an elastic element disposed between the guide seat 29 'and the upper end of the movable element, and both ends of the elastic element respectively abut against the guide seat 29' and the upper end of the movable element.

Further, the movable member may be a split structure or a unitary structure. It should be noted that, when a split structure is adopted, the upper movable part may be referred to as the striking hammer 23, the lower movable part may be referred to as the striker 27, and the striker 27 may also adopt a segmented striker or an integrated striker structure. The striking hammer 23 includes: cylinder axle and joint spare, cylinder axle movably establish in the locating hole along its axial, and the periphery cover of cylinder axle is equipped with elastic element, and the joint spare is established in the upper end of cylinder axle, and the outer peripheral face of cylinder axle is stretched out to at least some of joint spare, joint spare and lever 7's the other end joint.

Alternatively, as shown in fig. 27, the guide holder 29' includes a guide member formed in a columnar shape and located in the guide hole, and a through hole 29' b is defined in the guide member so as to penetrate therethrough in the axial direction thereof, and the through hole 29' b can guide the striker 27. The through hole 29' b communicates with the guide hole to pass through by the cylindrical shaft, and an elastic member is fitted around the outer circumference of the guide.

According to the utility model discloses an embodiment, as shown in fig. 27, the lower extreme of guide holder 29 'is equipped with the seal groove 29' h that communicates with through-hole 29 'b, and the radial dimension of seal groove 29' h is greater than the radial dimension of through-hole 29 'b, and guide holder 29' still includes the second sealing washer, and the periphery of wearing out the cylinder axle of seal groove 29 'h is located to seal groove 29' h and cover is located to the second sealing washer, can further improve sealing performance, prevents that the flowing water overflows on the face of cylinder of firing pin 27.

In summary, according to the embodiment of the present invention, the base body 5, the lever 7, the actuator 4, the fluid seat 30, the nozzle 35, the guide seat 29 'and the movable element are combined together, so that not only the friction force between the lever 7 and the movable element can be effectively reduced, and the fluid ejection quality can be improved, but also the output displacement and the force transmission of the actuator 4 can be effectively transmitted, and the guiding of the movable element can be realized, and the assembling convenience between the guide seat 29' and the fluid seat 30 can be improved, and the fluid ejection quality can be effectively ensured.

Other structures and operations of the fluid micro-jetting apparatus 200 according to embodiments of the present invention are 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 present 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 present 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 (9)

1. A fluid microjet device, comprising:

the device comprises a base body, a positioning hole and a positioning mechanism, wherein an execution mechanism installation cavity is limited in the base body, and the base body is provided with the positioning hole communicated with the execution mechanism installation cavity;

the lever is arranged in the execution mechanism mounting cavity, and two ends of the lever can move;

the actuator is telescopically arranged in the actuating mechanism mounting cavity and is connected with one end of the lever to control the lever to move;

the fluid seat is internally provided with a fluid cavity, a flow channel communicated with the fluid cavity and a mounting cavity communicated with the fluid cavity, and the base body is arranged on the fluid seat;

the nozzle is arranged on the fluid seat and communicated with the fluid cavity;

the guide seat is formed into a column shape, a guide hole which is communicated along the axial direction of the guide seat is defined in the guide seat, the lower end of the guide seat extends into the mounting cavity and is in threaded connection with the fluid seat, and the upper end of the guide seat can extend into the positioning hole when the base body is assembled with the fluid seat;

the movable element is arranged in the guide hole and can move along the axial direction of the guide seat, the upper end of the movable element is clamped with the other end of the lever when the base body is assembled with the fluid seat, the movable element is driven by the lever to move along the axial direction of the positioning hole, and the lower end of the movable element penetrates through and extends out of the guide hole and is matched with the nozzle to open and close the nozzle;

the movable element includes:

the upper end of the upper movable part is clamped with the lever;

the upper end of the lower movable part is detachably connected with the lower end of the upper movable part, and the lower end of the lower movable part is matched with the nozzle.

2. The fluid microjet device of claim 1, further comprising:

the actuator adjusting block is arranged above the actuator and can move along the vertical direction so as to adjust the position of the actuator in the vertical direction;

the inclined ejecting block is arranged above the actuator adjusting block, a first adjusting inclined surface is arranged on the lower surface of the inclined ejecting block and abuts against the upper surface of the actuator adjusting block, and the inclined ejecting block can move along the horizontal direction so as to adjust the moving position of the actuator adjusting block in the vertical direction;

the limiting ejector block is arranged in the actuating mechanism installation cavity, and at least one part of the limiting ejector block abuts against the inclined ejector block so as to limit the movable position of the inclined ejector block in the horizontal direction;

and the position control assembly is respectively connected with the inclined ejector block and the limiting ejector block so as to coordinate and limit the relative positions of the inclined ejector block and the limiting ejector block.

3. The fluid micro-jetting device of claim 2, wherein the position control assembly comprises a first plunger and a second plunger, the first plunger being movably mounted on the base and abutting against the position-limiting plunger, and the second plunger being movably mounted on the base and abutting against the slanted plunger.

4. The fluid micro-jetting device of claim 3, wherein a guide groove is formed in the base body and communicates with the actuator mounting cavity, the limiting top block is movably disposed in the guide groove along an extending direction of the guide groove, one end of the limiting top block abuts against the slanted top block, the other end of the limiting top block is connected to the first jack screw, one end of the slanted top block abuts against the limiting top block, and the other end of the slanted top block is connected to the second jack screw to limit a moving position of the slanted top block in a horizontal direction.

5. The fluid micro-jetting device of claim 4, wherein the guide slot extends in a vertical direction, the limiting top block moves in the vertical direction along the guide slot, and a second adjusting inclined surface is provided on an end surface of the limiting top block opposite to the inclined top block, and the second adjusting inclined surface abuts against a side of the inclined top block adjacent to the limiting top block.

6. The fluid micro-spraying device as claimed in claim 4, wherein the guiding groove is an arc-shaped groove formed in the base, the limiting top block is arc-shaped corresponding to the arc-shaped groove, and the limiting top block is provided with an arc-shaped adjusting surface attached to the concave surface of the arc-shaped groove.

7. The fluid microjet device as recited in claim 1, wherein the movable element comprises:

the cylindrical shaft is movably arranged in the positioning hole along the axial direction of the cylindrical shaft;

the joint spare, the joint spare is established the upper end of cylinder axle, at least a part of joint spare stretches out the outer peripheral face of cylinder axle, the joint spare with the other end joint of lever.

8. The fluid micro-jetting device of claim 7, wherein the other end of the lever is provided with a mounting hole penetrating in an up-down direction to assemble the movable member.

9. The fluid microjet device of claim 1 further defining an adjustment mechanism mounting cavity within the base, at least a portion of the lever extending into the adjustment mechanism mounting cavity, the fluid microjet device further comprising:

the adjusting seat, at least a part of the adjusting seat passes through the locating hole and stretches into in the adjusting mechanism mounting cavity, the adjusting seat is provided with a channel communicated with the actuating mechanism mounting cavity, and the upper end of the guide seat stretches into the channel and is in threaded connection with the adjusting seat.

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