CN208718748U - A kind of filter with overflow valve - Google Patents
A kind of filter with overflow valve Download PDFInfo
- Publication number
- CN208718748U CN208718748U CN201821537233.5U CN201821537233U CN208718748U CN 208718748 U CN208718748 U CN 208718748U CN 201821537233 U CN201821537233 U CN 201821537233U CN 208718748 U CN208718748 U CN 208718748U
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- China
- Prior art keywords
- filter
- paper
- overflow valve
- sheet rubber
- bonnet
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Abstract
The utility model discloses a kind of filters with overflow valve, including filter core paper (6), it is installed on the filter element upper cover (5) of filter core paper (6) upper end and is installed on the filter core bottom cover (7) of filter core paper (6) lower end, the bonnet, being installed in the mounting hole of the filter element upper cover (5), the center of the bonnet, has oil outlet (1), multiple oilholes (2) are offered on the top cover of the bonnet, the sheet rubber (3) that can block the oilhole (2) is provided below in the top cover, spring (4) are provided with below the sheet rubber (3).When the pressure outside filter is less than given pressure constantly, machine oil enters in filter from outer ring filtering paper, when the pressure outside filter is greater than given pressure, spring-compressed, sheet rubber moves down, and hydraulic oil enters in filter from oilhole, keeps the pressure release effect of filter more preferable, and pressure relief opening is on filter paper, be not easy big impurity for filtering out filter paper core again refunds into engine.
Description
Technical field
The utility model relates to filter technical fields, more particularly to a kind of filter with overflow valve.
Background technique
Engine is being cold-started that engine oil viscosity is big or paper filter element is by Partial Blocking or when all blocking, and balances liquid inside and outside oil pump
Pressure guarantees that machine oil energy smooth circulation postbacks motivation.
It is designed with by-passing valve in the bottom of paper filter element, this is in design, in order in view of engine is in cold start-up machine oil
Viscosity is big or paper filter element is by Partial Blocking or when all blocking, and guarantees the direct oil that machine oil energy smooth circulation postbacks motivation and designs
Circulation road.When machine oil opens by-passing valve under the pressure of oil pump, the machine oil for being recycled back to engine through by-passing valve at this time is not only obtained
Less than the filtering of paper filter element, but also original large granular impurity filtered out by paper filter element can be rushed again through by-passing valve
It returns in engine, brings continual secondary abrasion to engine
In conclusion the problems such as pressure release effect for how efficiently solving filter is bad, is current those skilled in the art
Member's urgent problem.
Utility model content
The purpose of the utility model is to provide a kind of filters with overflow valve, and there is the filter of overflow valve to make to filter for this
The pressure release effect of clear device is preferable.
In order to solve the above technical problems, the utility model provides the following technical solutions:
A kind of filter with overflow valve including filter core paper, is installed on the filter element upper cover and peace of filter core paper upper end
Filter core bottom cover loaded on filter core paper lower end, the bonnet, being installed in the mounting hole of the filter element upper cover, the bonnet,
Center there is oil outlet, offer multiple oilholes on the top cover of the bonnet, the top cover, which is provided below, to be blocked
The sheet rubber of the oilhole is provided with spring below the sheet rubber.
Preferably, multiple oilholes are circular hole.
Preferably, multiple oilholes are equal in magnitude.
Preferably, the center of circle of multiple oilholes is on a reference circle concentric with the oil outlet.
Preferably, multiple oilholes are uniformly distributed.
Preferably, the Ring Width of the sheet rubber is greater than the diameter of the oilhole.
Filter provided by the utility model with overflow valve, including filter core paper, filter element upper cover, filter core bottom cover, on
Valve deck, filter element upper cover are installed on filter core paper upper end, and filter core bottom cover is installed on filter core paper lower end, and bonnet, is installed on filter element upper cover
In mounting hole.Bonnet, includes oil outlet, top cover, sheet rubber and spring, and oil outlet is opened at the center of bonnet, bonnet,
Top cover on offer multiple oilholes, multiple oilholes are pressure relief opening.Sheet rubber is set to top cover in the following, sheet rubber keeps off oilhole
Firmly, oilhole can be blocked, spring is located at below sheet rubber, and sheet rubber and spring constitute overflow valve.When engine is being cold-started
Engine oil viscosity is big or paper filter element is by Partial Blocking or when all blocking, and under the action of oil pressure, sheet rubber stress, spring is by rubber
Piece squeeze, spring-compressed, between sheet rubber and top cover have gap, oilhole open, that is, overflow valve open, machine oil directly into
Enter in filter, it is hydraulic inside and outside balance oil pump, guarantee that machine oil energy smooth circulation postbacks motivation, achievees the purpose that pressure release.
Filter provided by the utility model with overflow valve, when the pressure outside filter is less than given pressure
When, machine oil enters in filter from outer ring filtering paper, when the pressure outside filter is greater than given pressure, spring-compressed, and rubber
Piece moves down, and hydraulic oil enters in filter from oilhole, keeps the pressure release effect of filter more preferable, and pressure relief opening is on filter paper,
Be not easy big impurity for filtering out filter paper core again refunds into engine.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural representation of the provided filter with overflow valve of specific embodiment in the utility model
Figure；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the cross-sectional view in Fig. 2 at A-A.
It is marked in attached drawing as follows:
1- oil outlet, 2- oilhole, 3- sheet rubber, 4- spring, 5- filter element upper cover, 6- filter core paper, 7- filter core bottom cover.
Specific embodiment
The core of the utility model is to provide a kind of filter with overflow valve, and there is the filter of overflow valve to make to filter for this
The pressure release effect of clear device is preferable.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 to Fig. 3 is please referred to, Fig. 1 is that a kind of specific embodiment is provided with overflow valve in the utility model
The structural schematic diagram of filter；Fig. 2 is the top view of Fig. 1；Fig. 3 is the cross-sectional view in Fig. 2 at A-A.
In a specific embodiment, the filter provided by the utility model with overflow valve, including filter core paper
6, filter element upper cover 5, filter core bottom cover 7, bonnet, filter element upper cover 5 are installed on 6 upper end of filter core paper, and filter core bottom cover 7 is installed on filter core paper
6 lower ends, bonnet, are installed in the mounting hole of filter element upper cover 5.Bonnet, includes oil outlet 1, top cover, sheet rubber 3 and spring 4,
Oil outlet 1 is opened at the center of bonnet, and multiple oilholes 2 are offered on the top cover of bonnet, and multiple oilholes 2 are pressure relief opening.
Sheet rubber 3 is set to top cover in the following, sheet rubber 3 blocks oilhole 2, can block oilhole 2, spring 4 is located under sheet rubber 3
Face, sheet rubber 3 and spring 4 constitute overflow valve.When engine is cold start-up engine oil viscosity is big or paper filter element is by Partial Blocking or complete
When portion blocks, under the action of oil pressure, 3 stress of sheet rubber, spring 4 is squeezed by sheet rubber 3, and spring 4 compresses, sheet rubber 3 and top
There is gap, oilhole 2 is opened, that is, overflow valve is opened, and machine oil is directly entered in filter, balances liquid inside and outside oil pump between lid
Pressure guarantees that machine oil energy smooth circulation postbacks motivation, achievees the purpose that pressure release.
Filter provided by the utility model with overflow valve, when the pressure outside filter is less than given pressure
When, machine oil enters in filter from outer ring filtering paper, and when the pressure outside filter is greater than given pressure, spring 4 compresses, rubber
Piece 3 moves down, and hydraulic oil enters in filter from oilhole 2, keeps the pressure release effect of filter more preferable, and pressure relief opening is not in filter paper
On, be not easy big impurity for filtering out filter paper core again refunds into engine.
The above-mentioned filter with overflow valve is only a kind of preferred embodiment, is specifically not limited thereto, on this basis may be used
It makes having according to actual needs and targetedly adjust, to obtain different embodiments, multiple oilholes 2 are circular hole, are not had
Corner angle facilitate hydraulic oil to enter, and cleaning is convenient.Certainly, it is a kind of preferred embodiment that oilhole 2, which is circular hole, is not only
One, it can also be other suitable shapes, such as rectangular, it is all within the protection scope of the present utility model.
On the basis of above-mentioned specific embodiment, those skilled in the art can be according to the difference of specific occasion, to tool
There is the filter of overflow valve to carry out several changes, multiple oilholes 2 are equal in magnitude, and 2 size of oilhole is more uniform, and high-volume is facilitated to add
Work.
Obviously, under the guidance of this thought, those skilled in the art can be according to the difference of specific occasion to above-mentioned
Specific embodiment carries out several changes, the center of circle of multiple oilholes 2 on a reference circle concentric with oil outlet 1, arrange compared with
To be neat, when sheet rubber 3 blocks oilhole 2 at this time, the Ring Width of sheet rubber 3 can be relatively narrow, saves material, reduces cost.
It is important to note that the filter provided by the utility model with overflow valve be not intended to be limited to it is such
Situation, multiple oilholes 2 are uniformly distributed, and 4 stress of spring is more uniform, are not easy to tilt, and entire bonnet, can uniform draining.
Filter provided by the utility model with overflow valve, in the immovable situation of other components, sheet rubber 3
Ring Width be greater than oilhole 2 diameter, can preferably block oilhole 2, be not easy side leakage.Certainly, the Ring Width of sheet rubber 3
Diameter greater than oilhole 2 is a kind of preferred embodiment, be not it is unique, can also with the circular inside diameters of sheet rubber 3 and
Outer diameter and the diameter edge of oilhole 2 are just concordant, just closure oilhole 2, save 3 material of sheet rubber.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (6)
1. a kind of filter with overflow valve, which is characterized in that including filter core paper (6), be installed on filter core paper (6) upper end
Filter element upper cover (5) and the filter core bottom cover (7) for being installed on filter core paper (6) lower end, the peace for being installed on the filter element upper cover (5)
The bonnet, in hole is filled, the center of the bonnet, has oil outlet (1), offers multiple oilholes on the top cover of the bonnet,
(2), the sheet rubber (3) that can block the oilhole (2) is provided below in the top cover, is arranged below the sheet rubber (3)
There are spring (4).
2. the filter according to claim 1 with overflow valve, which is characterized in that multiple oilholes (2) are circular hole.
3. the filter according to claim 2 with overflow valve, which is characterized in that multiple oilhole (2) size phases
Deng.
4. the filter according to claim 3 with overflow valve, which is characterized in that the center of circle of multiple oilholes (2)
On a reference circle concentric with the oil outlet (1).
5. the filter according to claim 4 with overflow valve, which is characterized in that multiple oilholes (2) are uniformly divided
Cloth.
6. the filter according to claim 1-5 with overflow valve, which is characterized in that the sheet rubber (3)
Ring Width be greater than the oilhole (2) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821537233.5U CN208718748U (en) | 2018-09-19 | 2018-09-19 | A kind of filter with overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821537233.5U CN208718748U (en) | 2018-09-19 | 2018-09-19 | A kind of filter with overflow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208718748U true CN208718748U (en) | 2019-04-09 |
Family
ID=65982487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821537233.5U Active CN208718748U (en) | 2018-09-19 | 2018-09-19 | A kind of filter with overflow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208718748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026260A (en) * | 2018-09-19 | 2018-12-18 | 浙江兄弟之星汽配有限公司 | A kind of filter with overflow valve |
-
2018
- 2018-09-19 CN CN201821537233.5U patent/CN208718748U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026260A (en) * | 2018-09-19 | 2018-12-18 | 浙江兄弟之星汽配有限公司 | A kind of filter with overflow valve |
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