CN214021438U - Fluid micro-jetting device - Google Patents
Fluid micro-jetting device Download PDFInfo
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- CN214021438U CN214021438U CN202022341798.XU CN202022341798U CN214021438U CN 214021438 U CN214021438 U CN 214021438U CN 202022341798 U CN202022341798 U CN 202022341798U CN 214021438 U CN214021438 U CN 214021438U
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Abstract
According to the utility model discloses fluid micro-jet apparatus includes: the base body is internally limited with an actuating mechanism installation cavity, and is provided with a positioning hole communicated with the actuating mechanism installation cavity; the lever is arranged in the actuating mechanism mounting cavity, and two ends of the lever can 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 limited in the guide seat, the lower end of the guide seat extends into the installation 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; and the movable element is arranged in the guide hole and can move along the axial direction of the guide seat, 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. According to the utility model discloses fluid micro-jet device effectively guarantees fluid jet quality.
Description
Technical Field
The utility model relates to a fluid trace injection apparatus.
Background
In the existing fluid micro-spraying device, a closing element (firing pin) guide seat is matched with a shaft hole of a fluid seat, so that the axis of the closing element is ensured to be coaxial with the axis of a fluid cavity of the fluid seat, and meanwhile, the displacement of the closing element (firing pin) guide seat along the axis is limited by matching an execution system with the size of a flow channel 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 can guarantee fluid jet quality.
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 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, 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.
According to the utility model discloses fluid micro-jet device adopts base member, lever, fluid seat, nozzle, guide holder and movable element to combine together, through be equipped with the guide holder between base member and fluid seat, not only can realize the direction to 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 cavity axis keep coaxial, and then effectively guarantee the fluid jet quality.
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.
According to the utility model discloses an embodiment, the guide holder is equipped with: the first bulge protrudes out of the peripheral surface of the guide seat, and the lower end face of the first bulge is abutted against the upper end face of the fluid seat.
According to the utility model discloses an embodiment, the guide holder still is equipped with: the second bulge protrudes out of the peripheral surface of the guide seat and is positioned on one side, adjacent to the lower end of the guide seat, of the first bulge, the second bulge and the first bulge are distributed at intervals, and the second bulge is positioned in the installation cavity and is abutted against the inner wall surface of the fluid seat.
According to the utility model discloses an embodiment, the installation cavity includes: a first accommodating chamber in which a part of the second protrusion is accommodated; the second accommodating cavity is positioned below the first accommodating cavity and communicated with the second accommodating cavity, the other part of the second protrusion is accommodated in the second accommodating cavity, and the radial size of the second accommodating cavity is larger than that of the first accommodating cavity; the third holds the chamber, the third hold the chamber be located the second hold the below in chamber and with the second holds the chamber intercommunication, the third holds the intracavity and holds the lower extreme of having placed the guide holder.
According to the utility model discloses an embodiment, the guide holder still is equipped with: the third bulge protrudes out of the outer peripheral surface of the guide seat and is positioned on one side, adjacent to the upper end of the guide seat, of the first bulge, and the third bulge and the first bulge are distributed at intervals; and the first sealing ring is arranged between the third bulge and the first bulge.
According to an embodiment of the present invention, the fluid micro-jetting apparatus further comprises: and the elastic element is arranged between the guide seat and the upper end of the movable element, and two ends of the elastic element respectively abut against the upper ends of the guide seat and the movable element.
According to an embodiment of the present invention, the movable element comprises: the cylindrical shaft is movably arranged in the positioning hole along the axial direction of the cylindrical shaft, and the elastic element is sleeved on the periphery 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 the utility model discloses an embodiment, the guide holder includes: the guide piece is formed into a column shape and is positioned in the guide hole, a through hole which penetrates through the guide piece along the axial direction of the guide piece is defined in the guide piece, the through hole is communicated with the guide hole to be penetrated through by the cylindrical shaft, and the elastic element is sleeved on the periphery of the guide piece.
According to the utility model discloses an embodiment, the lower extreme of guide holder be equipped with the seal groove of through-hole intercommunication, the radial dimension of seal groove is greater than the radial dimension of through-hole, the guide holder still includes: and the second sealing ring is arranged on the sealing groove and sleeved on the periphery of the cylindrical shaft penetrating out of the sealing groove.
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 structure of a fluid micro-jetting apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of an assembly 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. 3 is a schematic view of an adjustment seat of a fluid micro-jetting apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic perspective view of a guide housing of a fluid micro-jetting apparatus according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of a guide seat of a fluid micro-jetting apparatus according to an embodiment of the present invention.
Reference numerals:
a fluid microjet device 200;
a base body 5; a lever 7; an adjustment seat 22; an impact hammer 23; 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.
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 5, a fluid micro-jetting apparatus 200 according to an embodiment of the present invention includes: base body 5, lever 7, fluid seat 30, nozzle 35, guide seat 29' and movable element.
Specifically, an actuating mechanism installation cavity is limited in the base body 5, a positioning hole communicated with the actuating mechanism installation cavity is arranged on the base body 5, the lever 7 is arranged in the actuating mechanism installation cavity, two ends of the lever 7 can move, a fluid cavity and a flow channel communicated with the fluid cavity are limited in the fluid seat 30, and the installation cavity communicated with fluid cavity, the basal body 5 is set on the fluid seat 30, the spray nozzle 35 is set on the fluid seat 30 and communicated with fluid cavity, the guide seat 29' is formed into column shape, the guide seat 29' is internally defined with a guide hole which is through along the axial direction, the lower end of the guide seat 29' extends into the installation cavity and is connected with the fluid seat 30 by screw thread, the upper end of the guide seat 29' can extend into the positioning hole when the basal body 5 is assembled with the fluid seat 30, the movable element is set in the guide hole and can move along the axial direction of the guide seat 29', and the lower end of the movable element passes through and extends out of the guide hole and is matched with the spray nozzle 35 to open and close the spray nozzle 35.
In other words, the fluid micro-jetting device 200 according to the embodiment of the present invention mainly comprises a base body 5, a lever 7, a fluid seat 30, a nozzle 35, a guide seat 29', and a movable element, wherein the base body 5 has an actuator mounting cavity, and a positioning hole is further formed on the base body 5, and the positioning hole is communicated with the actuator mounting cavity. A lever 7 or the like is mounted in the actuator mounting chamber, and an end of the lever 7 is movable in an inclined manner by an actuator of the fluid micro-jetting apparatus 200. 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. Between the fluid seat 30 and the base body 5 there is a guide seat 29', in which a guide hole is defined, in which a movable element is mounted, able to reciprocate along the axial direction of the guide hole, enabling the control of the flow rate of the fluid exiting from the nozzle 35. 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 can be screwed with the fluid seat 30, which has advantages of easy mounting, firm connection, and the like.
Therefore, according to the utility model discloses fluid micro-jet device 200 adopts base member 5, lever 7, fluid seat 30, nozzle 35, guide holder 29 'and movable element to combine together, through be 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, there can not be the clearance between guide holder 29' and the fluid seat 30, the movable element keeps coaxial with the fluid cavity axis, and then effectively guarantee the fluid jet quality.
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, and 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. 5, 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. 5, 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. 5, 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. 5, 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 present invention, the fluid micro-jetting device 200 employs the base body 5, the lever 7, the fluid seat 30, the nozzle 35, the guide seat 29 'and the movable element, so as to not only achieve the guiding of the movable element, but also improve the convenience of assembly between the guide seat 29' and the fluid seat 30, improve the sealing performance between the guide seat 29 'and the fluid seat 30, and prevent the gap between the guide seat 29' and the fluid seat 30 after long-time operation, and according to the present invention, the fluid micro-jetting device 200 can keep the movable element coaxial with the axis of the fluid cavity, thereby effectively ensuring the fluid jetting quality.
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 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, 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;
an adjustment mechanism mounting cavity is also defined in the base, at least a portion of the lever extends into the adjustment mechanism mounting cavity, and the fluid microjet device further comprises:
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.
2. The fluid microjet device as claimed in claim 1, wherein the guide housing is provided with:
the first bulge protrudes out of the peripheral surface of the guide seat, and the lower end face of the first bulge is abutted against the upper end face of the fluid seat.
3. The fluid microjet device as claimed in claim 2, wherein the guide housing is further provided with:
the second bulge protrudes out of the peripheral surface of the guide seat and is positioned on one side, adjacent to the lower end of the guide seat, of the first bulge, the second bulge and the first bulge are distributed at intervals, and the second bulge is positioned in the installation cavity and is abutted against the inner wall surface of the fluid seat.
4. The fluid microjet device of claim 3 wherein the mounting cavity comprises:
a first accommodating chamber in which a part of the second protrusion is accommodated;
the second accommodating cavity is positioned below the first accommodating cavity and communicated with the second accommodating cavity, the other part of the second protrusion is accommodated in the second accommodating cavity, and the radial size of the second accommodating cavity is larger than that of the first accommodating cavity;
the third holds the chamber, the third hold the chamber be located the second hold the below in chamber and with the second holds the chamber intercommunication, the third holds the intracavity and holds the lower extreme of having placed the guide holder.
5. The fluid microjet device as claimed in claim 3, wherein the guide housing is further provided with:
the third bulge protrudes out of the outer peripheral surface of the guide seat and is positioned on one side, adjacent to the upper end of the guide seat, of the first bulge, and the third bulge and the first bulge are distributed at intervals;
and the first sealing ring is arranged between the third bulge and the first bulge.
6. The fluid microjet device of claim 1, further comprising:
and the elastic element is arranged between the guide seat and the upper end of the movable element, and two ends of the elastic element respectively abut against the upper ends of the guide seat and the movable element.
7. The fluid microjet device as recited in claim 6, wherein the movable element comprises:
the cylindrical shaft is movably arranged in the positioning hole along the axial direction of the cylindrical shaft, and the elastic element is sleeved on the periphery 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 microjet device of claim 7 wherein the guide mount comprises:
the guide piece is formed into a column shape and is positioned in the guide hole, a through hole which penetrates through the guide piece along the axial direction of the guide piece is defined in the guide piece, the through hole is communicated with the guide hole to be penetrated through by the cylindrical shaft, and the elastic element is sleeved on the periphery of the guide piece.
9. The fluid micro-jetting device as claimed in claim 8, wherein a lower end of the guide seat is provided with a sealing groove communicating with the through hole, a radial dimension of the sealing groove being larger than a radial dimension of the through hole, the guide seat further comprising:
and the second sealing ring is arranged on the sealing groove and sleeved on the periphery of the cylindrical shaft penetrating out of the sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022341798.XU CN214021438U (en) | 2020-10-20 | 2020-10-20 | Fluid micro-jetting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022341798.XU CN214021438U (en) | 2020-10-20 | 2020-10-20 | Fluid micro-jetting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214021438U true CN214021438U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022341798.XU Active CN214021438U (en) | 2020-10-20 | 2020-10-20 | Fluid micro-jetting device |
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| Country | Link |
|---|---|
| CN (1) | CN214021438U (en) |
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2020
- 2020-10-20 CN CN202022341798.XU patent/CN214021438U/en active Active
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