CN212535804U - Lubricating nozzle for balance shaft bearing of horizontally-opposed engine - Google Patents
Lubricating nozzle for balance shaft bearing of horizontally-opposed engine Download PDFInfo
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- CN212535804U CN212535804U CN202021327901.9U CN202021327901U CN212535804U CN 212535804 U CN212535804 U CN 212535804U CN 202021327901 U CN202021327901 U CN 202021327901U CN 212535804 U CN212535804 U CN 212535804U
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- valve body
- oil
- hollow bolt
- oil duct
- balance shaft
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Abstract
The utility model discloses a horizontal opposed engine balance shaft bearing lubricating nozzle, which comprises a valve body, a hollow bolt and a spray pipe, wherein a bolt hole is formed in the middle of the valve body, an oil outlet hole is formed in the side surface of the valve body, the hollow bolt is inserted into the bolt hole and is in threaded connection with the valve body, a transverse oil duct and a vertical oil duct which are mutually communicated are formed in the hollow bolt, the transverse oil duct is communicated with the oil outlet hole, the vertical oil duct is communicated with a cylinder body, the spray pipe is fixedly connected with the valve body, and the spray pipe is communicated with the oil outlet hole; the outer side wall of the hollow bolt is provided with an annular recess, an oil passing cavity is formed between the valve body and the hollow bolt through the annular recess, and the oil passing area of the oil passing cavity is larger than the radial cross-sectional area of the oil outlet. When the engine works, the nozzle can continuously perform oil injection lubrication on the bearing, so that the working stability of the bearing is ensured.
Description
Technical Field
The utility model relates to a technical field of engine spare part, concretely relates to balanced axle bearing lubrication nozzle of horizontal opposition engine.
Background
Along with the popularization of new energy automobiles in China, the extended range type engine is vigorously developed, wherein the function of the balance shaft is continuously strengthened, and the function is continuously improved. The rotating speed requirement of the balance shaft is higher and higher, and the rotating speed of the bearing is higher and higher. If the bearing cannot be lubricated effectively in time, the frictional resistance of the bearing is increased, and the service life of the bearing of the balance shaft is shortened.
In the prior art, patent CN201934177U, published 2011, 08.17 discloses a cooling nozzle of an engine piston with double balance shafts. In the cooling nozzle shown in fig. 1, the cooling nozzle mainly comprises a hollow first valve body 1 with an oil inlet 1a, an annular platform 1c in the oil inlet 1a and an oil outlet 1b, a spring 5 arranged in the first valve body 1, a steel ball 6 arranged between the spring 5 and the annular platform 1c in the first valve body 1, a plug 4 with one end fixedly and hermetically connected with the first valve body 1 and the other end positioned in the first valve body 1 and movably sleeved with the spring 5, a first spray pipe 2 with one end fixedly communicated with the oil outlet 1b of the first valve body 1, and a mounting bracket 3 fixedly connected with the first valve body 1. The structure utilizes the spring structure in the valve body to compress to generate lubricating pressure and bounce the steel ball, thereby lubricating the top of the engine. In the structure, the spring is used for repeatedly reciprocating and compressing, and the steel ball needs to be flicked to achieve the purpose of lubrication. The structure is complex, the service life of the spring is short, and the actual effect of the work is easy to occur.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that exists, the utility model provides a lubricated nozzle of balanced axle bearing of level opposition engine, its concrete technical scheme as follows:
a horizontal opposed engine balance shaft bearing lubricating nozzle comprises a valve body, a hollow bolt and a spray pipe, wherein a bolt hole is formed in the middle of the valve body, an oil outlet hole is formed in the side face of the valve body, the hollow bolt is inserted into the bolt hole and is in threaded connection with the valve body, a transverse oil duct and a vertical oil duct which are mutually communicated are formed in the hollow bolt, the transverse oil duct is communicated with the oil outlet hole, the vertical oil duct is communicated with a cylinder body, the spray pipe is fixedly connected with the valve body, and the spray pipe is communicated with the oil outlet hole; the outer side wall of the hollow bolt is provided with an annular recess, an oil passing cavity is formed between the valve body and the hollow bolt through the annular recess, and the oil passing area of the oil passing cavity is larger than the radial cross-sectional area of the oil outlet.
Further, the inner diameter of the spray pipe is gradually reduced from one end close to the valve body to the other end.
Furthermore, the top end and the bottom end of the valve body are respectively provided with a sealing gasket, and the valve body and the hollow bolt are in sealing fit.
Further, the transverse oil passage and the vertical oil passage are perpendicular to each other and form a cross-shaped cross structure.
Further, the transverse oil passage and the vertical oil passage are perpendicular to each other and form a T-shaped cross structure.
Furthermore, a positioning hole is formed in the side face of the valve body, and a positioning pin for installation and positioning is inserted into the positioning hole.
Has the advantages that: 1. the utility model discloses set up hollow bolt in the valve body to through horizontal oil duct and vertical oil duct intercommunication cylinder body and spray tube in the hollow bolt, make the utility model provides a nozzle is simpler for prior art structure, and the nozzle can be continuous at the during operation and spray fluid to the epaxial bearing of balance and lubricate, guarantees the stability of bearing work.
2. The utility model forms an oil cavity between the valve body and the hollow bolt by arranging the annular recess on the hollow bolt, and the oil enters the oil cavity through the vertical oil duct and the horizontal oil duct in the hollow bolt to form pressure and is sprayed into the bearing of the balance shaft through the spray pipe; and the oil passing area of the oil passing cavity is larger than the radial section area of the oil outlet hole, so that the oil passing cavity can quickly release pressure in the closing stage of the nozzle, and the pressure loss of a main oil duct of the engine is reduced.
3. The utility model relates to an inner diameter of spray tube reduces gradually along the one end to the other end that is close to the valve body, makes the pressure of fluid further increase to make the nozzle can carry out the oil spout lubrication to balanced axle bearing in time, improved the lubrication efficiency of nozzle to the bearing, be favorable to guaranteeing the operational reliability and the life of bearing.
Drawings
FIG. 1 is a prior art cooling nozzle for a dual balance shaft engine piston;
FIG. 2 is a schematic cross-sectional view of the nozzle of the present invention;
FIG. 3 is one of the cross-sectional views of the nozzle of the present invention;
fig. 4 is a second cross-sectional view of the nozzle of the present invention;
FIG. 5 is a schematic view of the external structure of the nozzle of the present invention;
fig. 6 is a working position diagram of the nozzle lubrication engine balance shaft bearing of the present invention.
Reference numerals: 1-a first valve body; 2-a first nozzle; 3, mounting a bracket; 4-blocking; 5-a spring; 6-steel balls; 1 a-an oil inlet hole; 1 b-oil outlet holes; 1 c-a ring-shaped table; 7-a valve body; 8-a hollow bolt; 9-a spray pipe; 10-a transverse oil passage; 11-a vertical oil duct; 12-oil passing cavity; 13-a gasket; 14-a locating pin; 15-balance shaft; 16-bearing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
For convenience of description, the terms "horizontal", "vertical", "up" and "down" used herein are the same as the horizontal, vertical, up and down directions of the drawings, but do not limit the structure of the present invention.
As shown in fig. 2, the lubricating nozzle for the balance shaft bearing of the horizontally-opposed engine comprises a valve body 7, a hollow bolt 8 and a spray pipe 9, wherein a bolt hole is formed in the middle of the valve body 7, an oil outlet hole is formed in the side surface of the valve body 7, the hollow bolt 8 is inserted into the bolt hole and is in threaded connection with the valve body 7, a transverse oil duct 10 and a vertical oil duct 11 which are mutually communicated are formed in the hollow bolt 8, the transverse oil duct 10 is communicated with the oil outlet hole, the vertical oil duct 11 is communicated with a cylinder body, the spray pipe 9 is fixedly connected with the valve body 7, and the spray pipe 9 is communicated with the; the outer side wall of the hollow bolt 8 is provided with an annular recess, an oil passing cavity 12 is formed between the valve body 7 and the hollow bolt 8 through the annular recess, and the oil passing area of the oil passing cavity 12 is larger than the radial cross-sectional area of the oil outlet.
According to the nozzle disclosed by the embodiment, the hollow bolt 8 is arranged in the valve body 7, the cylinder body and the spray pipe 9 are communicated through the transverse oil duct 10 and the vertical oil duct 11 in the hollow bolt 8, oil in the cylinder body can be continuously sprayed to the bearing 16 on the balance shaft 15 through the transverse oil duct 10 and the vertical oil duct 11 in the hollow bolt 8 for lubrication, and the working stability of the bearing 16 on the balance shaft 15 is ensured; and the hollow bolt 8 and the valve body 7 are connected through threads, so that the hollow bolt 8 and the valve body 7 are tightly connected, a closed space required by oil injection is formed in the valve body 7, and the tightness of the valve body 7 is improved.
In the embodiment, the hollow bolt 8 is provided with the annular recess, so that an oil passing cavity 12 is formed between the valve body 7 and the hollow bolt 8, oil is firstly gathered in the oil passing cavity 12 through the vertical oil duct 11 and the horizontal oil duct 10 in the hollow bolt 8 to form the pressure for oil injection, and then the pressure is injected into the bearing 16 of the balance shaft 15 through the spray pipe 9; and the oil passing area of the oil passing cavity 12 is larger than the radial section area of the oil outlet hole, so that the oil passing cavity 12 can be quickly decompressed in the nozzle closing stage, and the pressure loss of the main oil duct of the engine is reduced.
Further, the inner diameter of the nozzle 9 is gradually reduced from one end near the valve body 7 to the other end. When fluid sprays, because the internal diameter of spray tube 9 reduces gradually, the further increase of pressure of fluid, the speed that fluid flows promotes to make the nozzle can carry out oil spout lubrication to 15 bearings of balance shaft 16 in time, improved the lubrication efficiency of nozzle to bearing 16, be favorable to guaranteeing bearing 16's operational reliability and life.
Furthermore, the top end and the bottom end of the valve body 7 are respectively provided with a sealing gasket 13, and the valve body 7 and the hollow bolt 8 are in sealing fit. The valve body 7 is further sealed by the sealing gasket 13, so that the sealing performance of the valve body 7 is improved, and the stability of the valve body 7 during operation is further improved.
Further, as shown in fig. 3, the lateral oil passage 10 and the vertical oil passage 11 are perpendicular to each other and form a cross-shaped intersection structure.
Alternatively, as shown in fig. 4, the transverse oil passage 10 and the vertical oil passage 11 are perpendicular to each other and form a T-shaped cross structure.
The two oil ducts are simple in structure, two ends of the transverse oil duct 10 are respectively communicated with the oil passing cavity 12, so that oil can be rapidly accumulated in the oil passing cavity 12, and the response speed of the nozzle in working is improved.
Furthermore, as shown in fig. 2, a positioning hole is formed in a side surface of the valve body 7, and a positioning pin 14 for installation and positioning is inserted into the positioning hole. The nozzle is quickly positioned and installed by the positioning pin 14.
Specifically, as shown in fig. 6, two bearings 16 are respectively mounted at two ends of a balance shaft 15, and the two bearings 16 are respectively connected with two nozzles through corresponding nozzles 9, and when the arrangement is performed, the nozzles 9 of the two nozzles face opposite directions.
The utility model discloses a working process: when the engine works, the balance shaft 15 rotates, oil sequentially flows through the vertical oil duct 11 and the transverse oil duct 10 and then is gathered in the oil passing cavity 12, the oil forms oil injection pressure in the oil passing cavity 12 and is injected into the bearing 16 of the balance shaft 15 through the spray pipe 9, the oil pressure is further increased due to the gradual reduction of the inner diameter of the spray pipe 9, the oil flowing speed is increased, and therefore the nozzle can perform oil injection lubrication on the bearing 16 of the balance shaft 15 in time; because the oil passing area of the oil passing cavity is larger than the radial section area of the oil outlet hole, the oil passing cavity 12 can quickly release pressure in the closing stage of the nozzle, and the pressure loss of the main oil duct of the engine is reduced.
The above description is only exemplary of the present invention and should not be taken as limiting, and all changes, equivalents, and improvements made within the spirit and principles of the present invention should be understood as being included in the scope of the present invention.
Claims (6)
1. A horizontal opposition engine balance shaft bearing lubrication nozzle which characterized in that: the oil-gas mixing valve comprises a valve body (7), a hollow bolt (8) and a spray pipe (9), wherein a bolt hole is formed in the middle of the valve body (7), an oil outlet hole is formed in the side face of the valve body (7), the hollow bolt (8) is inserted into the bolt hole and is in threaded connection with the valve body (7), a transverse oil duct (10) and a vertical oil duct (11) which are mutually communicated are formed in the hollow bolt (8), the transverse oil duct (10) is communicated with the oil outlet hole, the vertical oil duct (11) is communicated with a cylinder body, the spray pipe (9) is fixedly connected with the valve body (7), and the spray pipe (9) is communicated with the oil outlet hole; be provided with the annular on the lateral wall of hollow bolt (8) and cave in, valve body (7) with form oil passing cavity (12) through the annular is sunken between hollow bolt (8), the oil passing area of oil passing cavity (12) is greater than the radial cross sectional area of oil outlet.
2. A horizontally opposed engine balance shaft bearing lubrication nozzle as defined in claim 1, wherein: the inner diameter of the spray pipe (9) is gradually reduced from one end close to the valve body (7) to the other end.
3. A horizontally opposed engine balance shaft bearing lubrication nozzle as defined in claim 1, wherein: the top and the bottom of valve body (7) are equipped with sealed pad (13) respectively, form sealed cooperation between valve body (7) and hollow bolt (8).
4. A horizontally opposed engine balance shaft bearing lubrication nozzle as defined in claim 1, wherein: the transverse oil duct (10) and the vertical oil duct (11) are perpendicular to each other and form a cross-shaped cross structure.
5. A horizontally opposed engine balance shaft bearing lubrication nozzle as defined in claim 1, wherein: the transverse oil duct (10) and the vertical oil duct (11) are perpendicular to each other and form a T-shaped cross structure.
6. A horizontally opposed engine balance shaft bearing lubrication nozzle as claimed in any one of claims 1 to 5, wherein: the side surface of the valve body (7) is provided with a positioning hole, and a positioning pin (14) for mounting and positioning is inserted into the positioning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021327901.9U CN212535804U (en) | 2020-07-08 | 2020-07-08 | Lubricating nozzle for balance shaft bearing of horizontally-opposed engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021327901.9U CN212535804U (en) | 2020-07-08 | 2020-07-08 | Lubricating nozzle for balance shaft bearing of horizontally-opposed engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212535804U true CN212535804U (en) | 2021-02-12 |
Family
ID=74521846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021327901.9U Active CN212535804U (en) | 2020-07-08 | 2020-07-08 | Lubricating nozzle for balance shaft bearing of horizontally-opposed engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212535804U (en) |
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2020
- 2020-07-08 CN CN202021327901.9U patent/CN212535804U/en active Active
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