CN208396772U - A kind of anti abrasive machine oil by-pass valve - Google Patents
A kind of anti abrasive machine oil by-pass valve Download PDFInfo
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- CN208396772U CN208396772U CN201820976936.1U CN201820976936U CN208396772U CN 208396772 U CN208396772 U CN 208396772U CN 201820976936 U CN201820976936 U CN 201820976936U CN 208396772 U CN208396772 U CN 208396772U
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- spring
- valve seat
- plunger
- spring base
- oil
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Abstract
The utility model discloses a kind of anti abrasive machine oil by-pass valves, including spring base, the side of spring base is provided with oil outlet, and the other side of spring base is provided with the valve seat with oil inlet, it is provided with spring between valve seat and spring base, plunger is provided between spring and valve seat.Plunger is set as spherical, and cabochon contact portion is arranged on the oil inlet of valve seat.Spring base is to adopt the ST16 deep drawn steel plate of 0.5mm-0.8mm by punching stretch machine-shaping, and increase antirust ability by zinc-plated processing；Spring is to be formed using carbon steel wire bending machining, and increase rigidity by heat treatment 32HRC-36HRC sizing, handles by surface blackening and increases its antirust ability；The spherical shape plunger is standard component bearing ball；Valve seat is to be formed using medium carbon steel by turnery processing, and increase antirust ability by electroplating processes.And spring base, spring, plunger, valve seat are finally by the assembled formation that presses.The by-pass valve arrangement of the utility model is simple, wear-resistant and good seal performance.
Description
Technical field
The utility model belongs to the by-passing valve technical field of engine oil filter, refers in particular to by a kind of anti abrasive machine oil
Channel valve.
Background technique
Oil filter, also known as engine oil grid.For removing the dust in machine oil, metallic particles, carbon precipitates and coal smoke
The impurity such as grain protect engine.In engine working process, the carbon distribution and glue being oxidized under metal filings, dust, high temperature are heavy
Starch, water etc. are constantly mixed into lubricating oil.The effect of oil filter is exactly to filter these mechanical admixtures and colloid, protects oil to be lubricated
Cleaning, extend its service life.
Oil temperature is low when due to cold start-up, and the pressure that viscosity high moment generates is bigger, at present major part on the market
Valve is plunger type, and since obturator valve seat and plunger are all using carbon steel material, hardness is relatively.By-passing valve is recycling
Frequently hit valve seat in opening process, and friction occurs with spring base to lead to that the wall thickness of spring base is thinning or even spring base is disconnected
It splits, engine is caused serious failure occur, and the valve of piston structure is not reached requirement due to roughness, is often leaked
Phenomenon.
Summary of the invention
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of structures it is simple, wear-resistant and
The machine oil by-pass valve arrangement of good seal performance.
To achieve the above object, the utility model provides following technical solution: a kind of anti abrasive machine oil by-pass valve,
Including spring base, the side of spring base is provided with oil outlet, and the other side of spring base is provided with the valve seat with oil inlet, in valve seat
It is provided with spring between spring base, plunger is provided between spring and valve seat.The plunger is spherical shape, and described
Cabochon contact portion is set on the oil inlet of valve seat.
By using above-mentioned technical proposal, set spherical for plunger, the piston structure of ball-type, can effectively reduce with
The friction of spring base effectively avoids material thinning, the risk being broken occurs；The piston structure of ball-type keeps it close with valve seat
The phenomenon that cover is ball face sealing, effectively avoids the occurrence of leakage；And cabochon contact portion is set on the oil inlet of valve seat, from
And the phenomenon that leaking, can be further avoided by the cooperation of spherical surface and cambered surface.
The utility model is further arranged to: being wrapped with sealing element in the plunger.
By using above-mentioned technical proposal, it is wrapped with sealing element in plunger, so as to improve the sealing effect of plunger.
The utility model is further arranged to: the cabochon contact portion of the oil inlet is provided with diaphragm seal.
By using above-mentioned technical proposal, the cabochon contact portion of oil inlet is provided with diaphragm seal, so as to further
Improve the sealing performance of by-passing valve entirety.
The utility model is further arranged to: the material of the sealing element and diaphragm seal is ethylene-acrylate rubber
Glue.
By using above-mentioned technical proposal, the material of the sealing element and diaphragm seal is ethylene-acrylate rubber,
So as to improve the oil resistivity and resistant of high or low temperature of sealing element and diaphragm seal.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the cross-sectional view of the utility model embodiment one；
Fig. 3 is the cross-sectional view of the utility model embodiment two；
Label and corresponding component names in attached drawing: 1- spring base, 2- spring, 3- plunger, 4- valve seat, 5- oil outlet, 6-
Oil inlet, 7- sealing element, 8- cabochon contact portion, 9- diaphragm seal.
Specific embodiment
It is described further referring to figs. 1 to two embodiments of the Fig. 3 to the utility model.
Embodiment one
It is as shown in Figures 1 and 2: a kind of anti abrasive machine oil by-pass valve, including 21, spring, the side that spring is 21 is set
It is equipped with oil outlet 5, the other side that spring is 21 is provided with the valve seat 4 with oil inlet 6, is arranged between valve seat 4 and 21, spring
There is spring 2, plunger 3 is provided between spring 2 and valve seat 4.The plunger 3 is spherical shape, and in the oil inlet of the valve seat 4
Cabochon contact portion 8 is set on mouth 6.Described 21, spring are to pass through punching using the ST16 deep drawn steel plate of 0.5mm-0.8mm
Stretch process molding is pressed, and antirust ability is increased by zinc-plated processing；The spring 2 be using carbon steel wire bending machining at
Type, and increase rigidity by being heat-treated to 32HRC-36HRC sizing, it is handled by surface blackening and increases its antirust ability；Institute
State spherical plunger 3 is standard component bearing ball；
The valve seat 4 is to be formed using medium carbon steel by turnery processing, and increase antirust ability by electroplating processes.And
21, the spring, spring 2, plunger 3, valve seat 4 are finally by the assembled formation that presses.
By setting spherical for plunger 3,3 structure of plunger of ball-type can effectively reduce the friction with 21, spring,
It effectively avoids material thinning, the risk being broken occurs；3 structure of plunger of ball-type keeps it close with the sealing surface spherical surface of valve seat 4
The phenomenon that sealing, effectively avoiding the occurrence of leakage；And cabochon contact portion 8 is set on the oil inlet of valve seat 46, to pass through ball
The cooperation of face and cambered surface can further avoid the phenomenon that leaking.
Embodiment two
It is as shown in Figures 1 and 3: a kind of anti abrasive machine oil by-pass valve, including 21, spring, the side that spring is 21 is set
It is equipped with oil outlet 5, the other side that spring is 21 is provided with the valve seat 4 with oil inlet 6, is arranged between valve seat 4 and 21, spring
There is spring 2, plunger 3 is provided between spring 2 and valve seat 4.The plunger 3 is spherical shape, and in the oil inlet of the valve seat 4
Cabochon contact portion 8 is set on mouth 6.Described 21, spring are to pass through punching using the ST16 deep drawn steel plate of 0.5mm-0.8mm
Stretch process molding is pressed, and antirust ability is increased by zinc-plated processing；The spring 2 be using carbon steel wire bending machining at
Type, and increase rigidity by being heat-treated to 32HRC-36HRC sizing, it is handled by surface blackening and increases its antirust ability；Institute
State spherical plunger 3 is standard component bearing ball；
The valve seat 4 is to be formed using medium carbon steel by turnery processing, and increase antirust ability by electroplating processes.And
21, the spring, spring 2, plunger 3, valve seat 4 are finally by the assembled formation that presses.
By setting spherical for plunger 3,3 structure of plunger of ball-type can effectively reduce the friction with 21, spring,
It effectively avoids material thinning, the risk being broken occurs；3 structure of plunger of ball-type keeps it close with the sealing surface spherical surface of valve seat 4
The phenomenon that sealing, effectively avoiding the occurrence of leakage；And cabochon contact portion 8 is set on the oil inlet of valve seat 46, to pass through ball
The cooperation of face and cambered surface can further avoid the phenomenon that leaking.
Sealing element 7 is wrapped in the plunger 3.By being wrapped with sealing element 7 in plunger 3, so as to improve column
The sealing effect of plug 3.
The cabochon contact portion 8 of the oil inlet 6 is provided with diaphragm seal 9.Pass through the cabochon contact portion in oil inlet 6
8 are provided with diaphragm seal 9, to can be further improved the sealing performance of by-passing valve entirety.
The material of the sealing element 7 and diaphragm seal 9 is ethylene-acrylate rubber.By by sealing element 7 and sealing
The material of piece 9 is disposed as ethylene-acrylate rubber, so as to improve sealing element 7 and diaphragm seal 9 oil resistivity and resistance to height
Low temperature properties.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (4)
1. a kind of anti abrasive machine oil by-pass valve, including spring base (1), the side of spring base (1) are provided with oil outlet (5),
The other side of spring base (1) is provided with the valve seat (4) with oil inlet (6), is provided with bullet between valve seat (4) and spring base (1)
Spring (2) is provided with plunger (3) between spring (2) and valve seat (4), it is characterized in that: the plunger (3) is spherical shape, and in institute
Cabochon contact portion (8) are set on the oil inlet (6) for the valve seat (4) stated.
2. a kind of anti abrasive machine oil by-pass valve according to claim 1, it is characterized in that: the plunger (3) outside
It is enclosed with sealing element (7).
3. a kind of anti abrasive machine oil by-pass valve according to claim 2, it is characterized in that: in the oil inlet (5)
Cabochon contact portion (7) is provided with diaphragm seal (9).
4. a kind of anti abrasive machine oil by-pass valve according to claim 3, it is characterized in that: the sealing element (7) with
The material of diaphragm seal (9) is ethylene-acrylate rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820976936.1U CN208396772U (en) | 2018-06-25 | 2018-06-25 | A kind of anti abrasive machine oil by-pass valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820976936.1U CN208396772U (en) | 2018-06-25 | 2018-06-25 | A kind of anti abrasive machine oil by-pass valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208396772U true CN208396772U (en) | 2019-01-18 |
Family
ID=65132247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820976936.1U Active CN208396772U (en) | 2018-06-25 | 2018-06-25 | A kind of anti abrasive machine oil by-pass valve |
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| Country | Link |
|---|---|
| CN (1) | CN208396772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344064A (en) * | 2020-11-03 | 2021-02-09 | 中国北方发动机研究所(天津) | One-way valve of oil pump |
-
2018
- 2018-06-25 CN CN201820976936.1U patent/CN208396772U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344064A (en) * | 2020-11-03 | 2021-02-09 | 中国北方发动机研究所(天津) | One-way valve of oil pump |
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