CN212716859U - Cooling nozzle and engine - Google Patents
Cooling nozzle and engine Download PDFInfo
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- CN212716859U CN212716859U CN202021166911.9U CN202021166911U CN212716859U CN 212716859 U CN212716859 U CN 212716859U CN 202021166911 U CN202021166911 U CN 202021166911U CN 212716859 U CN212716859 U CN 212716859U
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Abstract
The utility model provides a cooling nozzle and an engine, relating to the technical field of engines, wherein the cooling nozzle comprises a nozzle pipe and a flow dividing piece; the nozzle pipe is provided with an inlet section and an outlet section which are communicated with each other, and the inlet section is used for being connected with the valve body assembly; the flow divider is arranged in the outlet section and divides the inner cavity of the outlet section into a plurality of independent flow channels. The utility model discloses utilize the reposition of redundant personnel to cut apart into a plurality of independent circulation passageways with the inner chamber of the export section of nozzle pipe for nozzle intraductal cooling oil sprays the piston department to the engine through a plurality of circulation passageways respectively, in order to become the multi-beam with nozzle intraductal cooling oil content, can reduce the trend of dispersing of every bundle of cooling oil like this, has increased the interior oil content of the cooling inlet that gets into the piston, has improved the cooling effect.
Description
Technical Field
The utility model relates to the technical field of engines, especially, relate to a cooling nozzle and engine.
Background
The piston is a key component on the engine, and when the engine works, a large amount of heat can be generated, so that the temperature of the piston is high, and therefore the heat dissipation of the piston is needed.
In the related art, a cooling nozzle is provided on an engine to be spaced apart from a piston, and the cooling nozzle generally includes a valve body assembly and a nozzle pipe connected to the valve body assembly. When the engine works, cooling oil is sprayed into the piston through the cooling nozzle, and the heat of the piston is taken away by the cooling oil.
However, the cooling oil is easily dispersed between the nozzle pipe and the piston, so that the amount of the cooling oil reaching the piston is small, and the cooling effect is reduced.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the embodiment of the utility model provides a cooling nozzle and engine can reduce the dispersing of cooling oil, improves the cooling effect.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
a first aspect of an embodiment of the present invention provides a cooling nozzle, comprising a nozzle tube and a flow divider; the nozzle pipe is provided with an inlet section and an outlet section which are communicated with each other, and the inlet section is used for being connected with the valve body assembly; the reposition of redundant personnel piece is established in the export section, the reposition of redundant personnel piece will the inner chamber of export section is cut apart into a plurality of independent circulation passageways.
The cooling nozzle is characterized in that the inner surface of the outlet section is provided with a bearing surface, and the end part of the flow divider close to the inlet section abuts against the bearing surface; the end of the flow dividing piece departing from the inlet section is fixed on the outlet section.
The cooling nozzle as described above, wherein the inlet section comprises a cylindrical first through hole; the flow dividing piece comprises a plurality of first flow dividing plates which are arranged at intervals along the circumferential direction of the first through hole, one ends of the first flow dividing plates, which are far away from the inner surface of the inlet section, intersect at the same point, and the point is positioned on the axis of the first through hole; one end, close to the inner surface of the outlet section, of the first flow distribution plates is attached to the inner surface of the outlet section; the flow channel is formed between two adjacent first flow dividing plates.
The cooling nozzle as described above, wherein the inlet section comprises a cylindrical first through hole; the flow dividing piece comprises a plurality of second flow dividing plates which are arranged in a crossed mode, and the intersection points of the second flow dividing plates are located on the axis of the first through hole; one end, close to the inner surface of the outlet section, of the second flow distribution plates is attached to the inner surface of the outlet section; and the flow channels are formed between two adjacent second flow distribution plates.
The cooling nozzle as described above, wherein the inlet section further comprises a conical second through hole communicating with the first through hole and a cylindrical third through hole; the second through hole is provided with a first end and a second end which are oppositely arranged along the axis of the first through hole, and the diameter of the first end is smaller than that of the first through hole; the bearing surface is formed by a step surface formed between the first through hole and the first end.
The cooling nozzle as described above, wherein the diameter of the second end is greater than the diameter of the first end.
The cooling nozzle is characterized in that the inlet section is connected with the outlet section through an arc section, and a preset included angle is formed between the axis of the inlet section and the axis of the outlet section.
The cooling nozzle further comprises a valve body assembly, wherein the valve body assembly comprises a valve body and a valve core; the valve body is provided with an installation cavity, an inlet and an outlet which are communicated with the installation cavity are arranged on the valve body, and an inlet section of the nozzle pipe is connected in the outlet; the valve core is arranged in the mounting cavity in a sliding mode, a spring is sleeved on the valve core, and one end, deviating from the valve core, of the spring is connected with the valve body.
The cooling nozzle comprises a nozzle body assembly, wherein the nozzle body assembly further comprises a valve seat, the valve body is installed on the valve seat, an installation hole communicated with the outlet is formed in the valve seat, and the inlet section of the nozzle pipe penetrates through the installation hole and then is fixed in the outlet.
A second aspect of the embodiments of the present invention provides an engine, which includes a machine body, a piston disposed in the machine body, and a cooling nozzle as described above; the piston has a cooling inlet, and the outlet section of the cooling nozzle corresponds to the cooling inlet.
The embodiment of the utility model provides an among cooling nozzle and the engine, utilize the reposition of redundant personnel to cut apart into a plurality of independent circulation passageways with the inner chamber of the export section of nozzle pipe for nozzle intraductal cooling oil sprays the piston department to the engine through a plurality of circulation passageways respectively, in order to become the multi-beam with nozzle intraductal cooling oil, can reduce the trend of dispersing of every beam of cooling oil like this, has increased the interior oil mass of the cooling inlet that gets into the piston, has improved the cooling effect.
In addition to the technical problems, technical features constituting technical solutions, and advantageous effects brought by the technical features of the technical solutions described above, other technical problems that the cooling nozzle and the engine provided by the embodiments of the present invention can solve, other technical features included in the technical solutions, and advantageous effects brought by the technical features will be described in further detail in the following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a view illustrating a state of use of a cooling nozzle and a piston in the related art;
fig. 2 is a diagram illustrating a usage state of the cooling nozzle and the piston according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a cooling nozzle provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an outlet section of a nozzle pipe according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of an outlet section and a splitter of a nozzle tube according to an embodiment of the present invention;
fig. 6 is a first schematic structural diagram of a flow divider according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a flow divider according to an embodiment of the present invention;
FIG. 8 is a front view of FIG. 5;
fig. 9 is a third schematic structural view of the flow divider according to the embodiment of the present invention;
fig. 10 is a front view of fig. 7.
Reference numerals:
100: a nozzle tube;
110: an outlet section;
111: a bearing surface;
112: a first through hole;
113: a second through hole;
114: a third through hole;
120: an inlet section;
130: a circular arc section;
200: a flow divider;
210: a first splitter plate;
220: a second splitter plate;
230: a flow-through channel;
300: a valve body assembly;
310: a valve body;
311: a mounting cavity;
312: an inlet;
313: an outlet;
320: a valve core;
330: a valve seat;
331: mounting holes;
340: a spring;
400: a piston;
410: a cooling inlet.
Detailed Description
As shown in fig. 1, the cooling nozzle is generally installed below the cooling inlet 410 of the piston 400 and spaced a certain distance from the cooling inlet 410, and after the cooling oil is sprayed out from the outlet section of the cooling nozzle at a certain flow rate, the cooling oil is easily dispersed at the cooling inlet 410 adjacent to the piston 400 due to gravity and centrifugal force during the ascending process between the outlet section 110 and the cooling inlet, so that the amount of the cooling oil reaching the cooling inlet 410 is reduced, and the cooling effect is reduced.
To foretell technical problem, the embodiment of the utility model provides a cooling nozzle and engine utilizes the reposition of redundant personnel to cut apart into a plurality of independent circulation passageways with the inner chamber of the export section of nozzle pipe for nozzle intraductal cooling oil sprays the piston department to the engine through a plurality of circulation passageways respectively, in order to become the multi-beam with nozzle intraductal cooling oil content, can reduce the trend of dispersing of every cooling oil like this, has increased the intraoral oil mass of cooling inlet that gets into the piston, has improved the cooling effect.
In order to make the above objects, features and advantages of the embodiments of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The embodiment of the utility model provides an engine, as shown in FIG. 2, including organism (not shown in the figure), piston 400 and cooling nozzle, wherein, piston 400 and cooling nozzle set up in the organism, and the interval predetermined distance between piston 400 and the cooling nozzle.
With continued reference to fig. 2, the cooling nozzle is mounted on a cooling oil passage (not shown) of the engine block, and has an outlet section 110 and an inlet section 120, and cooling oil in the cooling oil passage enters the cooling nozzle through the inlet section 120 and then is sprayed to the piston 400 through the outlet section 110.
The piston 400 has a cooling outlet (not shown in the figures) and a cooling inlet 410, wherein the cooling inlet 410 corresponds to the outlet section 110 of the cooling nozzle, when the piston 400 needs to be cooled, the cooling oil in the cooling oil passage enters the cooling nozzle through the inlet section 120, and then is sprayed into the cooling inlet 410 of the piston 400 through the outlet section 110, and after the cooling oil absorbs the heat generated by the piston 400, the cooling oil finally flows out of the piston 400 through the cooling outlet, so as to cool the piston 400.
The embodiment of the utility model provides a cooling nozzle, including nozzle pipe 100 and reposition of redundant personnel 200; as shown in fig. 3, the nozzle pipe 100 includes an inlet section 120 and an outlet section 110 which are communicated with each other, wherein the inlet section 120 can be directly connected with a cooling channel of the machine body, which facilitates the introduction of cooling oil; or may be connected to the cooling passage of the housing through the valve body assembly 300.
The flow divider 200 is disposed in the outlet section 110, and the flow divider 200 can divide the inner cavity of the outlet section 110 into a plurality of independent flow channels 230, that is, the flow divider 200 can divide the cooling oil bundle in the outlet section into a plurality of sub-cooling oil bundles, so that the divergence tendency of each sub-cooling oil bundle can be reduced, the amount of oil entering the cooling inlet 410 of the piston 400 is increased, and the cooling effect is improved.
As an alternative connection between the flow divider 200 and the outlet section 110, the inner surface of the outlet section 110 is provided with a bearing surface 111, and the bearing surface 111 is used for providing a supporting force for the flow divider 200. The bearing surface 111 may be formed in various ways, for example, the inner surface of the outlet section 110 is formed with a protrusion facing the axial direction of the outlet section, and the protrusion has a first surface and a second surface opposite to each other along the axial direction of the outlet section, the first surface is arranged away from the inlet section, and the first surface forms the bearing surface 111.
For another example, as shown in fig. 4, the inlet section 120 further includes a first through hole 112, a second through hole 113 having a conical shape, and a third through hole 114 having a cylindrical shape, wherein the first through hole 112, the second through hole 113, and the third through hole 114 are communicated with each other. The second through hole 113 has a first end and a second end arranged oppositely along the axis of the first through hole 112, and the diameter of the first end is smaller than that of the first through hole 112; the step face that forms between first through-hole 112 and the first end constitutes loading end 111, the embodiment of the utility model provides a, directly utilize the size difference between first through-hole 112 and the second through-hole 113 for the internal surface of entry section 120 forms the step face, compares with the bellied technical scheme of formation in first through-hole, can simplify the manufacture craft of entry section 120.
The second through hole 113 may have a trapezoidal shape with a smaller upper portion and a larger lower portion, that is, the diameter of the second end is larger than that of the first end, taking a section parallel to the axial direction of the first through hole 112 as a longitudinal section. Still alternatively, the longitudinal section of the second through hole 113 may be a trapezoid with a large top and a small bottom, that is, the diameter of the second end is smaller than that of the first end.
In order to prevent the flow divider 200 from being separated from the outlet section 110 by the impact force of the cooling oil, the end of the flow divider 200 facing away from the inlet section 120 is fixed to the outlet section 110, for example, the flow divider 200 may be fixed to the outlet section 110 by welding, or for example, the end of the flow divider 200 facing away from the inlet section is formed with a flange extending in a direction perpendicular to the axis of the outlet section, and the lower surface of the flange is attached to the top surface of the outlet section 110, that is, the flow divider 200 is fixed to the outlet section 110 by riveting, as shown in fig. 5.
As an alternative embodiment of the flow splitter 200, the inlet section 120 comprises a first through hole 112 of cylindrical shape; the flow divider 200 includes a plurality of first flow dividing plates 210, the plurality of first flow dividing plates 210 are disposed at intervals along the circumferential direction of the first through hole 112, and one ends of the plurality of first flow dividing plates 210 facing away from the inner surface of the inlet section intersect at the same point, and the point is located on the axis of the first through hole 112, a flow channel 230 is formed between two adjacent first flow dividing plates 210, so that the cooling oil can flow out of the outlet section from each flow channel, thereby reducing the divergence tendency of each bundle of cooling oil, increasing the oil amount entering the cooling inlet of the piston, and improving the cooling effect.
In addition, the number of a plurality of circulation passageways can be the odd number, also can be the even number, as shown in fig. 6, the embodiment of the present invention provides that the reposition of redundant personnel 200 includes three first splitter plate 210, and three first splitter plate 210 can be evenly set up by the circumferencial direction of first through-hole 112. In order to enhance the connection strength between the plurality of first flow dividing plates 210, the flow dividing member 200 may further include a connection shaft (not shown), and the plurality of first flow dividing plates 210 are spaced apart from the connection shaft and support the plurality of first flow dividing plates 210 by the connection shaft.
The first flow dividing plate 210 may include a first plate-shaped body extending in a direction parallel to the axis of the first through hole 112, one end of the first flow dividing plate 210 near the axis of the first through hole is fixed together, and one end of the first flow dividing plate 210 near the inner surface of the outlet section 110 is attached to the inner surface of the outlet section 110, so that the tightness between the first flow dividing plate 210 and the inner surface of the outlet section 110 may be increased, the cooling oil is prevented from being diffused from one flow channel 230 to another flow channel 230, and the uniformity of the volume flow of the sub-cooling oil bundles is ensured.
As another alternative embodiment of the flow splitter 200, the inlet section 120 includes a cylindrical first through hole 112; the flow divider 200 includes a plurality of second flow dividing plates 220 arranged in a crossing manner, the intersection points of the plurality of second flow dividing plates 220 are located on the axis of the first through hole 112, and a flow passage 230 is formed between two adjacent second flow dividing plates 220. The second flow dividing plate 220 may include a second plate-shaped body extending in a direction parallel to the axis of the first through hole 112, one end of the second flow dividing plate 220 close to the axis of the first through hole 112 is fixed together, and one end of the second flow dividing plate 220 close to the inner surface of the outlet section 110 is attached to the inner surface of the outlet section 110, so that the sealing property between the second flow dividing plate 220 and the inner surface of the outlet section 110 may be increased, the cooling oil is prevented from being diffused from one flow channel 230 to another flow channel 230, and the uniformity of the volume flow of the sub-cooling oil bundles is ensured.
For example, the flow divider 200 includes two second flow dividing plates 220, as shown in fig. 7, the two second flow dividing plates 220 are arranged in a crossing manner to form four flow channels 230, and at this time, only the two second flow dividing plates 220 need to be welded together, and the manufacturing process of the flow divider 200 can be simplified compared to the technical solution in which four first flow dividing plates 210 are welded together to form four flow channels in the above-mentioned embodiment. In addition, the second flow distribution plate 220 may also improve the structural strength thereof, thereby improving the structural strength of the flow distribution member 200.
The flow divider 200 may further include three flow dividing plates 220, as shown in fig. 9, three second flow dividing plates 220 are arranged in a crossing manner to form six flow channels 230, that is, the volume flow rate of the cooling oil in the inlet section 120 is Q, after the flow dividing of the flow divider in the outlet section 110, the flow dividing is divided into six sub-cooling oil bundles with the volume flow rate of Q/6, on the premise that the linear velocity of the cooling oil in the inlet section 120 is not changed, the volume flow rate of the sub-cooling oil bundles is smaller, when the sub-cooling oil bundles are sprayed to the cooling inlet 410 of the piston 400, the sub-cooling oil bundles are less likely to be dispersed, the cooling oil entering the cooling inlet 410 of the piston 400 is more, and the cooling effect is improved.
Further, as shown in fig. 8 and 10, the thickness B and the height H1 of the first plate-like body and the second plate-like body may be designed according to the diameter D of the first through hole 112 and the height H of the first through hole 112, for example, the thickness B of the first plate-like body and the second plate-like body is 0.05 × D mm, and the height H of the first plate-like body and the second plate-like body is1The difference with the height H of the first through hole 112 is less than 1 mm.
In practical applications, the number of the first flow dividing plate 210 and the second flow dividing plate 220 can be selected according to the diameter of the first through hole 112, for example, when the diameter D of the first through hole 112 is less than 5mm, two second flow dividing plates 220 can be used, and the two second flow dividing plates 220 are crossed to form a cross-shaped flow dividing member, as shown in fig. 7. For another example, when the diameter D of the first through hole 112 is greater than or equal to 5mm, three second flow dividing plates 220 may be used, and the three second flow dividing plates 220 are crossed to form a flow dividing member with a hexagonal structure, as shown in fig. 9.
With continued reference to FIG. 3, the axis of the inlet section 120 of the nozzle tube 100 is at a predetermined angle, optionally 90 degrees, to the axis of the outlet section 110, which reduces the length of the nozzle tube 100 and facilitates the installation of the nozzle tube 100.
The cooling oil can be to the nodical department formation impact force of entrance section 120 and export section 110 at the process of transmission, in order to reduce the impact force, the embodiment of the utility model designs circular arc section 130, and the one end and the entrance section 120 of circular arc section 130 are connected, and the other end and the export section 110 of circular arc section 130 are connected, and circular arc section 130 can play certain cushioning effect to the cooling oil, has improved nozzle pipe 100's life.
The cooling nozzle further includes a valve body assembly 300, the valve body assembly 300 controlling a flow rate of cooling oil into the nozzle pipe 100, wherein one end of the valve body assembly 300 may be connected to the nozzle pipe 100, and the other end of the valve body assembly 300 is connected to a cooling oil passage of the engine.
The valve body assembly 300 includes a valve body 310 and a valve core 320, the valve body 310 serves as a main supporting component and a connecting component of the valve body assembly 300, wherein an external thread may be formed on an outer surface of the valve body 310, and correspondingly, an internal thread may be formed on an inner surface of a cooling oil passage of an engine, and the connection between the valve body assembly 300 and the cooling oil passage of the engine is realized through the cooperation of the internal thread and the external thread. The embodiment of the utility model provides a through threaded connection's mode, can realize dismantling between valve body subassembly 300 and the cooling oil duct and be connected, be convenient for change the cooling nozzle, improved work efficiency.
The valve body 310 is provided with a mounting cavity 311 therein, the mounting cavity 311 is used for mounting the valve core 320, the valve body 310 is provided with an inlet 312 and an outlet 313 which are communicated with the mounting cavity 311, wherein the inlet 312 is connected with a cooling channel of the machine body, so that cooling oil can enter the mounting cavity 311 through the inlet. In addition, the outlet 313 is connected to the inlet section 120 of the nozzle pipe 100 so that the cooling oil is introduced into the nozzle pipe 100 through the outlet 313. Furthermore, the inlet section 120 of the nozzle pipe 100 may be fixedly connected within the outlet 313 by welding or by plugging.
The valve core 320 is slidably connected in the mounting cavity 311, and when the mounting cavity 311 is cylindrical, the valve core may also be cylindrical, as shown in fig. 3, the valve core 320 includes a first valve core and a second valve core connected to the first valve core, wherein a spring 340 is sleeved on the second valve core, and one end of the spring 340 departing from the first valve core is connected to the bottom wall of the valve body 310.
When the engine does not work, the spring 340 is in a stretching state, and drives the valve core 320 to move upwards along the axial direction of the installation cavity 311, so that the first valve core blocks the outlet, and at the moment, the valve body assembly 300 is in a closing state.
When the engine works, cooling oil in a cooling oil passage of the engine body enters the mounting cavity 311 through the inlet, the cooling oil applies downward acting force to the valve core 320, the acting force is larger than the elastic force of the spring 400, the valve core 320 is driven to move downwards along the axial direction of the mounting cavity 311, a communication channel between the inlet 312 and the outlet 313 is opened, the cooling oil flows into the nozzle pipe 100 through the inlet 312, the mounting cavity 311 and the outlet 313, and then is sprayed to the cooling inlet 410 of the piston 400 through the outlet section of the nozzle pipe 100, and the piston 410 is cooled. Further, the flow rate of the cooling oil in the nozzle pipe 100 can be changed by adjusting the flow rate of the cooling oil to change the magnitude of the force acting on the spool 320.
Taking the orientation shown in fig. 3 as an example, the bottom of the valve body 310 may further be provided with a mounting opening communicating with the mounting cavity 311, and the mounting opening is detachably connected with a plugging member 350. When it is necessary to install the valve body 310 in the installation cavity 313 or to replace the spring 340, the plug 350 may be opened and the valve body 320 may be installed in the installation cavity 313 through the installation opening. After the valve element 320 is installed in place, the plugging member 350 is installed at the installation opening, so that the valve element 320 is installed. In order to facilitate the installation of the valve core 320, the diameter of the installation opening may be larger than the diameter of the installation cavity 311, which increases the installation convenience. In addition, an internal thread can be formed on the inner surface of the mounting opening, an external thread can be formed on the outer surface of the plugging piece, and the plugging piece is mounted in the mounting opening in a threaded connection mode.
The valve seat 330 is further provided with a mounting hole 331, wherein the mounting hole 331 is communicated with the outlet 313 of the valve body 310, and the inlet section 120 of the nozzle pipe 100 can pass through the mounting hole 331 and then be fixed in the outlet 313. It is also possible to fix the inlet section 120 of the nozzle pipe 100 directly in the mounting hole 331 of the valve seat 330, which can simplify the installation of the nozzle pipe 100.
The embodiments or implementation modes in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
In the description of the present specification, reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "example", "specific example", or "some examples" or the like means 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, schematic representations of the above terms 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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
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 based on the orientation or positional relationship shown in 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.
In the present invention, unless explicitly stated otherwise, the terms "mounting," "connecting," "fixing," and the like are to be understood in a broad sense, and for example, may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or communicable with each other; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected internally or in any other manner known to those skilled in the art, unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A cooling nozzle is characterized by comprising a nozzle pipe and a flow dividing piece;
the nozzle pipe is provided with an inlet section and an outlet section which are communicated with each other, and the inlet section is used for being connected with the valve body assembly;
the reposition of redundant personnel piece is established in the export section, the reposition of redundant personnel piece will the inner chamber of export section is cut apart into a plurality of independent circulation passageways.
2. A cooling nozzle according to claim 1, wherein the inner surface of the outlet section is provided with a bearing surface against which the end of the flow splitter adjacent the inlet section abuts;
the end of the flow dividing piece departing from the inlet section is fixed on the outlet section.
3. A cooling nozzle according to claim 2, wherein the inlet section comprises a cylindrical first through hole;
the flow dividing piece comprises a plurality of first flow dividing plates which are arranged at intervals along the circumferential direction of the first through hole, one ends of the first flow dividing plates, which are far away from the inner surface of the inlet section, intersect at the same point, and the point is positioned on the axis of the first through hole;
one end, close to the inner surface of the outlet section, of the first flow distribution plates is attached to the inner surface of the outlet section;
the flow channel is formed between two adjacent first flow dividing plates.
4. A cooling nozzle according to claim 2, wherein the inlet section comprises a cylindrical first through hole;
the flow dividing piece comprises a plurality of second flow dividing plates which are arranged in a crossed mode, and the intersection points of the second flow dividing plates are located on the axis of the first through hole;
one end, close to the inner surface of the outlet section, of the second flow distribution plates is attached to the inner surface of the outlet section;
and the flow channels are formed between two adjacent second flow distribution plates.
5. A cooling nozzle according to claim 3 or 4, wherein the inlet section further comprises a conical second through hole communicating with the first through hole and a cylindrical third through hole;
the second through hole is provided with a first end and a second end which are oppositely arranged along the axis of the first through hole, and the diameter of the first end is smaller than that of the first through hole;
the bearing surface is formed by a step surface formed between the first through hole and the first end.
6. A cooling nozzle according to claim 5, wherein the diameter of the second end is greater than the diameter of the first end.
7. The cooling nozzle according to any one of claims 1 to 4, wherein the inlet section and the outlet section are connected by a circular arc section, and a preset included angle is formed between an axis of the inlet section and an axis of the outlet section.
8. The cooling nozzle according to any one of claims 1-4, further comprising a valve body assembly comprising a valve body and a valve spool;
the valve body is provided with an installation cavity, an inlet and an outlet which are communicated with the installation cavity are arranged on the valve body, and an inlet section of the nozzle pipe is connected in the outlet;
the valve core is arranged in the mounting cavity in a sliding mode, a spring is sleeved on the valve core, and one end, deviating from the valve core, of the spring is connected with the valve body.
9. The cooling nozzle according to claim 8, wherein the valve body assembly further comprises a valve seat, the valve body is mounted on the valve seat, a mounting hole communicated with the outlet is formed in the valve seat, and the inlet section of the nozzle pipe passes through the mounting hole and then is fixed in the outlet.
10. An engine comprising a body, a piston and a cooling nozzle according to any one of claims 1 to 9, the piston and the cooling nozzle being within the body;
the piston has a cooling inlet, and the outlet section of the cooling nozzle corresponds to the cooling inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021166911.9U CN212716859U (en) | 2020-06-22 | 2020-06-22 | Cooling nozzle and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021166911.9U CN212716859U (en) | 2020-06-22 | 2020-06-22 | Cooling nozzle and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212716859U true CN212716859U (en) | 2021-03-16 |
Family
ID=74961940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021166911.9U Active CN212716859U (en) | 2020-06-22 | 2020-06-22 | Cooling nozzle and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212716859U (en) |
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2020
- 2020-06-22 CN CN202021166911.9U patent/CN212716859U/en active Active
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