CN216043990U

CN216043990U - Piston cooling nozzle assembly with filtering capability

Info

Publication number: CN216043990U
Application number: CN202121657366.8U
Authority: CN
Inventors: 石启钊
Original assignee: Quanjiao Runhua Machinery Co ltd
Current assignee: Quanjiao Runhua Machinery Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-03-15
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a piston cooling nozzle assembly with a filtering function, which comprises a shell, an oil injection pipe and a valve core assembly, wherein the valve core assembly is vertically inserted into the inner wall of the shell, one side of the shell is provided with a pipeline interface, and one end of the oil injection pipe is connected to the inner wall of the pipeline interface. The oil inlet filter hopper is arranged at the top of the oil-saving engine, oil stain or impurities are left on the filter screen through the filter screen under oil pressure after a large amount of oil is fed through the filter hopper, the oil stain or the impurities cannot be brought into the inner side of the pipeline, the filter screen is replaced periodically, the cost is low, and the internal pipeline and the piston end structure of the engine are effectively protected.

Description

Piston cooling nozzle assembly with filtering capability

Technical Field

The utility model relates to the technical field of engine cooling equipment, in particular to a piston cooling nozzle assembly with a filtering function.

Background

As engine performance continues to increase, the thermal load on the piston assembly increases. In order to avoid the failure of the piston assembly of the engine due to high temperature, more and more gasoline engines adopt piston cooling nozzles, and cooling oil is sprayed through the piston cooling nozzles to achieve the purpose of cooling the piston.

The existing piston cooling nozzle assembly realizes the inlet and outlet of cooling oil through the up-and-down movement of the spring plug, but a lot of cooling oil is accumulated for a long time or is doped with impurities inside, so that a pipeline opening can be blocked, the spraying of the cooling oil is influenced, the piston is not cooled enough, the engine fault is caused, and the use is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a piston cooling nozzle assembly with a filtering function.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the piston cooling nozzle assembly with the filtering function comprises a shell, an oil spraying pipe and a valve core assembly, wherein the valve core assembly is vertically inserted into the inner wall of the shell, a pipeline connector is arranged on one side of the shell, and one end of the oil spraying pipe is connected to the inner wall of the pipeline connector.

As a further scheme of the utility model, the valve core assembly comprises a valve shell, a sealing ball, a spring, a valve plate and an oil inlet filter hopper, wherein a valve groove is formed in the middle of the valve shell, the spring is positioned between the valve plate and the sealing ball, a connecting structure of the sealing ball, the spring and the valve plate is vertically inserted into the inner wall of the valve groove, the inner edge of the oil inlet filter hopper is clamped on the outer edge of the top end of the valve shell, a through hole is formed in the outer wall of one side of the valve shell, and the through hole is communicated with a pipeline interface.

As a further scheme of the utility model, a fixing ring is arranged outside the top end of the valve casing, a filter screen is clamped on the inner edge of the fixing ring, and the inner edge of the oil inlet filter hopper is clamped on the outer edge of the filter screen.

As a further scheme of the utility model, the valve groove is of a trapezoidal structure, and the bottom end of the sealing ball is clamped at the reducing part of the trapezoidal structure of the valve groove.

As a further scheme of the utility model, a sealing ball gasket is arranged on the outer side of the reducing part of the trapezoidal structure of the valve groove, and the outer wall of the bottom end of the sealing ball is clamped on the inner edge of the sealing ball gasket.

As a further scheme of the utility model, the valve plate is of a T-shaped structure, the inner diameter of the end part of the spring is reduced, and the bottom end of the valve plate is vertically clamped on the inner side of the reducing end of the spring.

As a further scheme of the utility model, the inner diameter of the end part at the other end of the spring is increased, and the outer edge of the top end of the sealing ball is clamped on the inner side of the diameter-changing end of the spring.

The utility model has the beneficial effects that:

1. the top of the nozzle assembly is provided with the oil inlet filter hopper, oil stain or impurities are left on the filter screen through the filter screen under oil pressure after a large amount of oil is fed through the filter hopper, the oil stain or the impurities cannot be brought into the inner side of the pipeline, the filter screen can be replaced periodically, the cost is low, and the internal pipeline and the piston end structure of the engine are effectively protected;

2. the valve plate adopts a T-shaped structure in the nozzle assembly, so that the size of the engine piston cooling nozzle assembly is reduced, the variable-diameter spring structure is matched, the valve plate can stably move in the valve groove, the deviation cannot occur, and the situation of spring bending collapse occurs, so that the sealing effect of the nozzle and the engine is improved.

Drawings

FIG. 1 is a schematic perspective view of a piston cooling nozzle assembly with filtering function according to the present invention;

FIG. 2 is a schematic view of an assembly structure of a piston cooling nozzle assembly with filtering function according to the present invention;

fig. 3 is a schematic structural diagram of a valve core assembly of a piston cooling nozzle assembly with a filtering function according to the present invention.

In the figure: 1. a housing; 2. an oil spray pipe; 3. a valve core assembly; 31. a valve housing; 311. a valve spool; 312. a fixing ring; 32. sealing the ball pad; 33. a sealing ball; 34. a spring; 35. a valve plate; 36. a filter screen; 37. and (4) feeding the oil into a filter hopper.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a piston cooling nozzle assembly with filtering function, comprising a housing 1, an oil spraying pipe 2 and a valve core assembly 3, wherein the valve core assembly 3 is vertically inserted into an inner wall of the housing 1, one side of the housing 1 is provided with a pipeline interface, and one end of the oil spraying pipe 2 is connected to the inner wall of the pipeline interface, the valve core assembly 3 comprises a housing 31, a ball sealer 33, a spring 34, a valve plate 35 and an oil inlet filter 37, the middle part of the housing 31 is provided with a valve slot 311, the spring 34 is located between the valve plate 35 and the ball sealer 33, the connecting structure of the ball sealer 33, the spring 34 and the valve plate 35 is vertically inserted into the inner wall of the valve slot 311, the inner edge of the oil inlet filter 37 is clamped on the outer edge of the top end of the housing 31, the outer wall of one side of the housing 31 is provided with a through hole, the through hole is communicated with the pipeline interface, the outer edge of the top end of the housing 31 is provided with a fixing ring 312, and the filter 36 is clamped on the outer edge of the fixing ring 312, the inner edge of the oil inlet filter hopper 37 is clamped on the outer edge of the filter screen 36, the valve groove 311 is of a trapezoidal structure, the bottom end of the sealing ball 33 is clamped at the reducing part of the trapezoidal structure of the valve groove 311, the sealing ball pad 32 is arranged on the outer side of the reducing part of the trapezoidal structure of the valve groove 311, and the outer wall of the bottom end of the sealing ball 33 is clamped on the inner edge of the sealing ball pad 32.

Wherein, valve plate 35 is T type structure, and the tip internal diameter of spring 34 diminishes, and the perpendicular joint of bottom of valve plate 35 is on the reducing end inboard of spring 34, and the other end tip internal diameter of spring 34 enlarges, and the joint of the top outside of ball sealer 33 is on the reducing end inboard of spring 34.

The working principle of the piston cooling nozzle assembly is as follows:

1. the two ends of the valve core assembly 3 are connected with an oil duct of an engine cylinder body, the shell 1 is fixed at a position of a reserved fixed groove on the engine shell and is fixed through a threaded sleeve, and the valve core assembly 3 is vertically inserted on the inner side of the shell 1;

2. when the oil spraying device is used, cooling oil enters through the oil inlet filter hopper 37, a large amount of cooling oil extrudes the filter screen 36 to realize rapid filtration, the valve plate 35 is extruded at the same time, after the spring 34 is contracted, the upper side of the valve plate is connected with the through hole in the side wall of the valve shell 31, and the cooling oil is sprayed out along the oil spraying pipe 2;

3. when the valve core assembly is used in a cooling mode, the spring 34 is reset, the sealing ball 33 is not in a pressing state, and redundant cooling oil flows into the bottom end of the valve core assembly 3 along the outer side of the sealing ball pad 32 and circulates into an oil channel.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", "first", "second", etc., indicate orientations or positional relationships based on those 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 being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

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 person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A piston cooling nozzle assembly with a filtering function comprises a shell (1), an oil spraying pipe (2) and a valve core assembly (3), and is characterized in that the valve core assembly (3) is vertically inserted into the inner wall of the shell (1), a pipeline interface is arranged on one side of the shell (1), and one end of the oil spraying pipe (2) is connected to the inner wall of the pipeline interface; the valve core assembly (3) comprises a valve shell (31), a sealing ball (33), a spring (34), a valve plate (35) and an oil inlet filter funnel (37), wherein a valve groove (311) is formed in the middle of the valve shell (31), the spring (34) is located between the valve plate (35) and the sealing ball (33), a connecting structure of the sealing ball (33), the spring (34) and the valve plate (35) is vertically inserted into the inner wall of the valve groove (311), the inner edge of the oil inlet filter funnel (37) is clamped on the outer edge of the top end of the valve shell (31), a through hole is formed in the outer wall of one side of the valve shell (31), and the through hole is communicated with a pipeline interface; the top outside of valve casing (31) is equipped with solid fixed ring (312), and the interior border joint of solid fixed ring (312) has filter screen (36), the interior border joint of oil feed filter hopper (37) is on the outside of filter screen (36).

2. The piston cooling nozzle assembly with the filtering function as claimed in claim 1, wherein the valve slot (311) is of a trapezoid structure, and the bottom end of the sealing ball (33) is clamped at the reducing part of the trapezoid structure of the valve slot (311).

3. The piston cooling nozzle assembly with the filtering function as claimed in claim 2, wherein a sealing ball gasket (32) is arranged outside the reducing part of the trapezoidal structure of the valve groove (311), and the outer wall of the bottom end of the sealing ball (33) is clamped on the inner edge of the sealing ball gasket (32).

4. A piston cooling nozzle assembly with filtering function according to claim 1, characterized in that said valve plate (35) is of T-shaped structure, the inner diameter of the end of said spring (34) is reduced, and the bottom end of said valve plate (35) is vertically clamped on the inner side of the reducing end of said spring (34).

5. The piston cooling nozzle assembly with the filtering function as claimed in claim 4, wherein the inner diameter of the other end of the spring (34) is increased, and the outer edge of the top end of the sealing ball (33) is clamped on the inner side of the reducing end of the spring (34).