CN213743636U - Cooling nozzle and engine - Google Patents

Cooling nozzle and engine Download PDF

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Publication number
CN213743636U
CN213743636U CN202022110672.1U CN202022110672U CN213743636U CN 213743636 U CN213743636 U CN 213743636U CN 202022110672 U CN202022110672 U CN 202022110672U CN 213743636 U CN213743636 U CN 213743636U
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China
Prior art keywords
cooling nozzle
oil
nozzle
cooling
engine
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CN202022110672.1U
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Chinese (zh)
Inventor
徐庆增
刘泽涛
张世红
付伟
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Weichai Power Co Ltd
Weichai Heavy Machinery Co Ltd
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Weichai Power Co Ltd
Weichai Heavy Machinery Co Ltd
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Priority to CN202022110672.1U priority Critical patent/CN213743636U/en
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Abstract

The utility model belongs to the technical field of the engine, concretely relates to cooling nozzle and engine. The utility model provides a cooling nozzle includes body and spray tube, the oil pocket is established to the inside of body, the one end of spray tube with the oil pocket is linked together, the other end of spray tube is equipped with drainage portion. Through using the cooling nozzle among this technical scheme, be linked together spray tube and this internal machine oil cavity to set up the drainage portion in the one end of spray tube, under the prerequisite that does not improve oil pump performance and each spare part tolerance of tightening, make nozzle spun oil beam more convergent, improved the efficiency of targeting, and then promoted cooling nozzle's cooling capacity.

Description

Cooling nozzle and engine
Technical Field
The utility model belongs to the technical field of the engine, concretely relates to cooling nozzle and engine.
Background
Along with the continuous strengthening of the engine performance, the heat load of the engine is continuously increased, the working temperature of the piston is continuously increased, higher requirements are also put forward on the cooling capacity of the piston, and the serious faults of throat cracking, carbon deposition in an inner cooling oil cavity, carbon deposition in a ring groove and even cylinder pulling and the like caused by overheating of the piston can occur.
In order to reduce the piston temperature, the piston is mainly forcibly cooled by using a piston cooling nozzle at present, but when oil is sprayed out through the nozzle, the oil beam convergence is poor, so that the targeting efficiency is reduced, and the piston cooling is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the poor problem of nozzle oil spout convergence at least. The purpose is realized by the following technical scheme:
a first aspect of the present invention provides a cooling nozzle, including:
the oil pump comprises a body, wherein an oil cavity is arranged inside the body;
and one end of the spray pipe is communicated with the engine oil cavity, and the other end of the spray pipe is provided with a drainage part.
Through using the cooling nozzle among this technical scheme, be linked together spray tube and this internal machine oil cavity to set up the drainage portion in the one end of spray tube, under the prerequisite that does not improve oil pump performance and each spare part tolerance of tightening, make nozzle spun oil beam more convergent, improved the efficiency of targeting, and then promoted cooling nozzle's cooling capacity.
In addition, according to the cooling nozzle of the present invention, the following additional technical features may be provided:
in some embodiments of the present invention, the nozzle tube includes a straight tube portion, a bending portion, a transition portion, and a nozzle portion in order along the outflow direction of the engine oil, the central axis of the nozzle portion is parallel to the central axis of the body, and the drainage portion is located the nozzle portion is away from the one end of the transition portion.
In some embodiments of the present invention, the diameter dimension of the transition portion decreases progressively in the outflow direction of the engine oil.
In some embodiments of the present invention, the nozzle portion further has an oil outlet.
In some embodiments of the present invention, the drainage portion is disposed along a radial direction of the oil outlet.
In some embodiments of the invention, the drainage portion is located near one side of the body.
In some embodiments of the invention, the height of the drainage portion is 0.8 mm.
In some embodiments of the present invention, the cooling nozzle further comprises a positioning pin, and the positioning pin is disposed on the end surface of the body.
In some embodiments of the present invention, the cooling nozzle further comprises a hollow bolt, the hollow bolt is inserted into the center of the body and is communicated with the oil chamber.
The present invention also provides an engine including the cooling nozzle in the above embodiment.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
fig. 1 schematically shows an overall structural view of a cooling nozzle according to an embodiment of the present invention;
FIG. 2 is a top view of the cooling nozzle of FIG. 1;
fig. 3 is a front sectional view of the cooling nozzle of fig. 1.
10: a body;
21: drainage portion, 22: straight tube portion, 23: bent portion, 24: transition portion, 25: nozzle portion, 251: an oil outlet hole;
30: positioning pins;
40: and (4) a hollow bolt.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Fig. 1 schematically shows an overall structural view of a cooling nozzle according to an embodiment of the present invention. As shown in FIG. 1, the present invention provides a cooling nozzle and an engine. The utility model provides a cooling nozzle includes body 10 and spray tube, and the oil chamber is established to the inside of body 10, and the one end and the oil chamber of spray tube are linked together, and the other end of spray tube is equipped with drainage portion 21.
Through using the cooling nozzle in this technical scheme, be linked together the spray tube with the machine oil chamber in the body 10 to set up drainage portion 21 in the one end of spray tube, under the prerequisite that does not improve machine oil pump performance and each spare part tolerance of tightening, make the oil beam of nozzle spun more convergent, improved the efficiency of targeting, and then promoted cooling nozzle's cooling capacity.
Further, in the present embodiment, as shown in fig. 2, the nozzle includes a straight cylinder portion 22, a bent portion 23, a transition portion 24, and a nozzle portion 25 in sequence along the outflow direction of the oil, and the central axis of the nozzle portion 25 is disposed in parallel with the central axis of the body 10, so that the direction of the nozzle portion 25 corresponds to the direction of the piston, thereby completing the cooling operation. The drainage part 21 is positioned at one end of the nozzle part 25 far away from the transition part 24, and the drainage part 21 is positioned at an oil outlet of the spray pipe, so that the convergence degree of oil beams sprayed out from the nozzle part 25 is improved, and the cooling of the piston is enhanced.
Specifically, in the present embodiment, the diameter of the transition portion 24 decreases progressively along the outflow direction of the engine oil, so that the oil pressure at the outlet of the transition portion 24 is enhanced to a certain extent, the piston is cooled more sufficiently by the oil, and the target hit rate is increased.
Further, in the present embodiment, as shown in fig. 3, the nozzle portion 25 is further provided with an oil outlet 251 for injecting oil, and the oil outlet 251 is oriented parallel to the center line of the body 10 portion to facilitate cooling of the corresponding component.
Specifically, in the present embodiment, as shown in fig. 3, the drainage portion 21 is provided in the radial direction of the oil outlet hole 251. The inner wall surface of the drainage part 21 corresponds to the oil outlet 251, so that the capability of converging the oil beam sprayed by the nozzle under the blocking of the drainage part 21 is improved, and the targeting efficiency is improved.
Specifically, in the present embodiment, as shown in fig. 3, the drainage portion 21 is located on a side close to the body 10. Therefore, the oil liquid can reduce the area of the sprayed outlet, so that the oil beam is more convergent, and the targeting efficiency is improved. In other embodiments, the drainage portion 21 may be located at any circumferential position of the end surface of the nozzle portion 25 at the end far from the transition portion 24, so that the oil liquid can be reduced in the injection outlet area to improve the target efficiency, and in the present embodiment, the drainage portion 21 is preferably located at the side close to the main body 10.
Further, in the present embodiment, the height of the drainage portion 21 is 0.8 mm. In another embodiment, the height of the drainage part 21 is specifically analyzed and calculated according to specific conditions, and in this embodiment, the height of the drainage part 21 is preferably 0.8 mm.
Further, in this embodiment, the cooling nozzle further includes a positioning pin 30, the positioning pin 30 is disposed on the end surface of the body 10, and the positioning pin 30 is located in the circumferential direction of the body 10, so that the cooling nozzle can be accurately positioned in the assembling process, and the accuracy is improved.
Further, in the present embodiment, the cooling nozzle further includes a hollow bolt 40, and the hollow bolt 40 is inserted into the center of the body 10 and is communicated with the oil chamber, so that the cooling nozzle is conveniently assembled to a corresponding component, thereby achieving fixation.
Specifically, in the present embodiment, the nozzle and the body 10 are welded, and the flow guide 21 and the nozzle are made of powder metallurgy as a whole, but in other embodiments, the flow guide 21 may be formed by punching and welded to the existing nozzle.
The utility model also provides an engine, including above cooling nozzle.
Through using the engine among this technical scheme, the cooling nozzle on the engine is linked together spray tube and this internal machine oil cavity to set up the drainage portion in the one end of spray tube, under the prerequisite that does not improve oil pump performance and each spare part tolerance of tightening, make the oil beam of nozzle spun more convergent, improved the efficiency of shooting, and then promoted cooling nozzle's cooling capacity.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A cooling nozzle, comprising:
the oil pump comprises a body, wherein an oil cavity is arranged inside the body;
and one end of the spray pipe is communicated with the engine oil cavity, and the other end of the spray pipe is provided with a drainage part.
2. The cooling nozzle according to claim 1, wherein the nozzle pipe comprises a straight cylinder portion, a bent portion, a transition portion and a nozzle portion in sequence along an outflow direction of the engine oil, a central axis of the nozzle portion is arranged in parallel with a central axis of the body, and the drainage portion is located at one end of the nozzle portion away from the transition portion.
3. A cooling nozzle according to claim 2, characterised in that the diameter dimension of the transition portion decreases in the outflow direction of the oil.
4. A cooling nozzle according to claim 2, characterized in that the nozzle portion is further provided with oil outlet holes.
5. A cooling nozzle according to claim 4, wherein the flow guide portion is provided in a radial direction of the oil outlet hole.
6. A cooling nozzle according to claim 5, wherein the flow-directing portion is located adjacent a side of the body.
7. A cooling nozzle according to claim 1, wherein the height of the flow guide is 0.8 mm.
8. The cooling nozzle of claim 1, further comprising a locating pin disposed on an end face of the body.
9. A cooling nozzle according to claim 1, further comprising a hollow bolt disposed through a center of the body and in communication with the oil cavity.
10. An engine, characterized by a cooling nozzle according to any one of claims 1-9.
CN202022110672.1U 2020-09-22 2020-09-22 Cooling nozzle and engine Active CN213743636U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022110672.1U CN213743636U (en) 2020-09-22 2020-09-22 Cooling nozzle and engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022110672.1U CN213743636U (en) 2020-09-22 2020-09-22 Cooling nozzle and engine

Publications (1)

Publication Number Publication Date
CN213743636U true CN213743636U (en) 2021-07-20

Family

ID=76845688

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022110672.1U Active CN213743636U (en) 2020-09-22 2020-09-22 Cooling nozzle and engine

Country Status (1)

Country Link
CN (1) CN213743636U (en)

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