CN207212531U - A kind of attachment structure of air filter lid - Google Patents
A kind of attachment structure of air filter lid Download PDFInfo
- Publication number
- CN207212531U CN207212531U CN201721308809.6U CN201721308809U CN207212531U CN 207212531 U CN207212531 U CN 207212531U CN 201721308809 U CN201721308809 U CN 201721308809U CN 207212531 U CN207212531 U CN 207212531U
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- China
- Prior art keywords
- raised
- air filter
- projection
- filter lid
- location
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Abstract
The utility model discloses a kind of attachment structure of air filter lid, including positioned at air filter shell one end and along its axially extending first annular projection, the second raised and the 3rd projection and positioned at air filter lid one end and the outside location-plate vertically dug, described first is raised to be provided with annular chamber between the second projection, and described location-plate is provided with pluggable in the annular protrusion in the annular chamber；Described first is raised, the second projection and the 3rd raised be bonded respectively with described location-plate form the first sealing pair, the second sealing pair and the 3rd sealing pair, and described annular chamber is bonded with described annular protrusion forms the 4th sealing pair；Air filter shell and air filter are also covered tightly into the snap component of solid phase even including multiple.The utility model is simple in construction, and multi-sealed pair is provided between air filter shell and air filter lid, the sealing of air cleaner is substantially increased, solves the problems, such as the easy seepage of joint face between air filter shell and air filter lid, it is ensured that engine aspirating system it is safe and reliable.
Description
Technical field
Combustion air cleaner technical field is the utility model is related to, more specifically, it relates to a kind of air filter lid
Attachment structure.
Background technology
Air cleaner abbreviation air filter, it is the indispensable part of induction system of internal combustion engine, to the fresh air into engine
Play a part of filtering and purify, ensure the cleannes of air, to reduce the abrasion of each kinematic pair related components of internal combustion engine, carry
The reliability and durability of high internal combustion engine.In order to facilitate maintaining and safeguard, and the filter core of air filter is convenient for changing, in setting for air filter
During meter manufacture, housing and end cap are generally separated into two parts, end cap is fixed on housing by multiple snap components.Pass
The air filter structure of system, the connector between the housing and end cap of air filter, it is close to be bonded to each other progress using the end face of housing and end cap
Envelope, an only resealing structure, its sealing effectiveness is bad, easy seepage, and can then produce following hidden danger after there is seepage：1st, ooze
Leak inspiration air, easily produces inflow noise；2nd, during the rainy day, rainwater is easily sucked into inside air filter, when rainwater falls on filter paper
After on layer, easily filter paper is destroyed, have impact on strainability.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency for prior art, there is provided it is a kind of reasonable in design,
Securely and reliably, the air filter cover attaching structure with multi-sealing structure of filter seals effect can be improved.
The technical solution of the utility model is such：A kind of attachment structure of air filter lid, including positioned at air filter shell one end
And along its is axially extending annular first raised, second raised and the 3rd is raised and positioned at air filter lid one end and outwards vertical
The location-plate dug, described first is raised being provided with annular chamber between the second projection, and described location-plate is provided with pluggable
Annular protrusion in the annular chamber；Described first is raised, second it is raised and the 3rd it is raised respectively with described location-plate
Fitting forms the first sealing pair, the second sealing pair and the 3rd sealing pair, described annular chamber and is bonded structure with described annular protrusion
Into the 4th sealing pair；Air filter shell and air filter are also covered tightly into the snap component of solid phase even including multiple.
As a further improvement, the first described sealing pair is flat seal pair, including it is raised outer located at described first
Hold and be in horizontal layout the first top surface and located at the outer end of the location-plate and in horizontal layout locating surface.
Further, the second described sealing pair is flat seal pair, including located at the described second raised outer end and in flat
Face arrangement the second top surface and located at the outer end of the location-plate and in horizontal layout locating surface.
Further, the 3rd described sealing pair is flat seal pair, including located at the 3rd raised outer end and in flat
Face arrangement the 3rd top surface and located at the outer end of the location-plate and in horizontal layout locating surface.
Further, the 4th described sealing pair is conical surface seal pair, including in the annular chamber and from outside it
First conical surface and gradually widening and boring from its outside to inner side on the annular protrusion that lateral inner side is gradually narrowed
Spend second conical surface being adapted with the taper of first conical surface.
Further, described second it is raised be provided with cavity between the 3rd projection, by the described first projection, second convex
Rise, the section for the air filter shell connection end that the 3rd raised, annular chamber and cavity are formed is arranged in " E " font.
Further, it is described first raised, second raised and the 3rd raised diameter increases successively also, described the
One is raised, the second projection is equal with the height of projection of the 3rd projection, and it is raised that the described 3rd raised thickness is all higher than described first
With the second raised thickness.
Further, between described first raised, the second raised, the 3rd raised, annular chamber and cavity and air filter shell
The structure being formed in one, accordingly, the structure being formed in one between described location-plate and annular protrusion and air filter lid.
Beneficial effect
The utility model compared with prior art, have the advantage that for：The utility model is simple in construction, reasonable in design,
Multi-sealed pair is provided between air filter shell and air filter lid, the sealing of air cleaner is substantially increased, solves air filter shell
Between air filter lid the problem of joint face easy seepage, it is ensured that engine aspirating system it is safe and reliable；Also, pass through buckle group
Air filter shell is connected by the form of part with air filter lid, convenient disassembly.
Brief description of the drawings
Fig. 1 is structural representation when the utility model is applied；
Fig. 2 is the structure enlargement diagram at A in Fig. 1；
Fig. 3 is the part section structure enlargement diagram of the hollow filter housing connection end of the utility model；
Fig. 4 is the part section structure enlargement diagram of the hollow filter housing connection end of the utility model.
Wherein：1- air filters shell, the projections of 2- first, the projections of 3- second, the projections of 4- the 3rd, 5- air filters lid, 6- location-plates, 7- rings
Shape chamber, 8- annular protrusions, 9- snap components, the top surfaces of 10- first, 11- locating surfaces, the top surfaces of 12- second, the top surfaces of 13- the 3rd, 14-
First conical surface, the conical surfaces of 15- second, 16- cavitys, the sealing pairs of a- first, the sealing pairs of b- second, the sealing pairs of c- the 3rd, d- the 4th are close
Envelope is secondary.
Embodiment
Specific embodiment in below in conjunction with the accompanying drawings is described further to the utility model.
Refering to Fig. 1-4, a kind of attachment structure of air filter lid of the present utility model, the rank applied to air filter shell 1 and air filter lid 5
Place is met, the attachment structure is included positioned at the one end of air filter shell 1 and along its axially extending the first annular 3 and of the 2, second projection of projection
3rd projection 4 and positioned at the one end of air filter lid 5 and the outwards location-plate 6 vertically dug, first the 2, second projection 3 of projection and the
Three raised 4 arranged concentrics, and be connected respectively with location-plate 6, annular chamber 7 is provided between the first projection 2 and the second projection 3, should
Annular chamber 7 is one end open, the channel-shaped cavity of other end closing, is provided with location-plate 6 pluggable in the annular in annular chamber 7
Projection 8；The projection 3 of its first projection 2, second and the 3rd projection 4 be bondeds the first sealing pair a of composition, second close with location-plate 6 respectively
Secondary b and the 3rd sealing pair c are sealed, to be sealed to air cleaner, also, that composition is bonded with annular protrusion 8 is the 4th close for its annular chamber 7
Secondary d is sealed, further air cleaner is sealed；Attachment structure of the present utility model also includes multiple by air filter shell 1 and sky
The connected snap component 9 of the fastening of filter cover 5, after air filter shell 1 is fixedly connected by snap component 9 with air filter lid 5, its first sealing pair
A, the second sealing pair b, the 3rd sealing pair c, the 4th sealing pair d are played a role, and air cleaner is carried out at least more than quadruple
Sealing.The utility model is simple in construction, reasonable in design, multi-sealed pair is provided between air filter shell 1 and air filter lid 5, greatly
The big sealing for improving air cleaner, solves the problems, such as the easy seepage of joint face between air filter shell 1 and air filter lid 5, really
Protect the safe and reliable of engine aspirating system；Also, air filter shell 1 is connected with air filter lid 5 by the form of snap component 9, torn open
Dress is convenient.
Specifically, its first sealing pair a is flat seal pair, including located at the first raised 2 outer ends and in horizontal layout
First top surface 10 and located at the outer end of location-plate 6 and in the locating surface 11 of horizontal layout, the first top surface 10 fits with the phase of locating surface 11
Match somebody with somebody, form the first resealing；Second sealing pair b is also flat seal pair, including located at the second raised 3 outer ends and is in horizontal layout
The second top surface 12 and located at the outer end of location-plate 6 and in the locating surface 11 of horizontal layout, the second top surface 12 and the phase of locating surface 11
Adaptation, form the second resealing；3rd sealing pair c is also flat seal pair, including located at the 3rd raised 4 outer ends and is in planar cloth
The 3rd top surface 13 put and located at the outer end of location-plate 6 and in the locating surface 11 of horizontal layout, the 3rd top surface 13 and locating surface 11
It is adapted, forms triple seal, three flat seal pairs is contacted with each other simultaneously by the tension of snap component 9, respective plane
Fitting forms sealing, and assembling is very convenient, and the top surface of three sealing pairs shares the locating surface 11 of location-plate 6, can reduce sky
The structure design difficulty of filter cover 5；4th sealing pair d is conical surface seal pair, including in annular chamber 7 and from its outside inwardly
First conical surface 14 and gradually widening to inner side from its outside on annular protrusion 8 and taper and first that side is gradually narrowed
Second conical surface 15 that the taper of the conical surface 14 is adapted, during actual use, it is interference fitted between first conical surface 14 and second conical surface 15
Sealing is formed, by the way of cone match sealing, the area of sealing surface is increased, further increases sealing effectiveness.
In the above-described embodiment, cavity 16 is provided between the second projection 3 and the 3rd projection 4, the cavity 16 is one end
Opening, another circular cylindrical cavity singly closed, it is possible to reduce stress concentration, and it is raised by the first projection 2, the second projection the 3, the 3rd
4th, the section for the connection end of air filter shell 1 that annular chamber 7 and cavity 16 are formed is arranged in " E " font, accordingly, by the He of location-plate 6
The " T " shape arrangement in the connection end of air filter lid 5 that annular protrusion 8 is formed, during assembling, two connection end grafting can be completed to coordinate,
It is easy to assembly.
In the present embodiment, the diameter of its projection 3 of the first projection 2, second and the 3rd projection 4 increases successively, and first is raised 2
In the most inner side of air filter shell 1, the 3rd projection 4 is located at the outermost of air filter shell 1, also, first the 2, second projection 3 and the 3rd of projection
The height of projection of projection 4 is equal, i.e., along the axially extending highly consistent of air filter shell 1, because the 3rd projection 4 primarily serves support
The effect of stress, therefore, the thickness of the 3rd projection 4 are all higher than the thickness of the first projection 2 and the second projection 3.It is appropriate to increase the
The thickness of three projections 4, the rigid of the 3rd projection 4 is improved, extend the service life of the attachment structure of air filter lid 5, and second is convex
Play 3 and first raised 2 and have both conical surface seal function simultaneously, therefore, the thickness of the two suitably reduces, and makes it in assembling in annular
Elastic deformation is more prone under the squeezing action of projection 8, is inserted beneficial to annular protrusion 8 in annular chamber 7, allows the 4th sealing pair d
Enough contact stress are kept, to improve sealing.
Preferably, the first projection 2 in the present embodiment, the second projection 3, the 3rd projection 4, annular chamber 7 and cavity 16 with
The structure being formed in one between air filter shell 1, accordingly, it is formed in one between location-plate 6 and annular protrusion 8 and air filter lid 5
Structure, while being easy to make, also effectively extend the service life of the attachment structure of air filter lid 5.
Above-described is only preferred embodiment of the present utility model, it should be pointed out that is come for those skilled in the art
Say, on the premise of the utility model structure is not departed from, several modifications and improvements can also be made, these are all without this reality of influence
With the effect and practical applicability of new implementation.
Claims (8)
1. a kind of attachment structure of air filter lid, it is characterised in that including positioned at air filter shell (1) one end and along its axially extending ring
First raised (2), second raised (3) and the 3rd raised (4) of shape and outside dig positioned at air filter lid (5) one end and vertically
Location-plate (6), annular chamber (7) is provided between described first raised (2) and second raised (3), described location-plate is set on (6)
Have pluggable in the annular protrusion (8) in the annular chamber (7)；Described first raised (2), second raised (3) and the 3rd are convex
Play (4) and be bonded the first sealing pair (a) of composition, the second sealing pair (b) and the 3rd sealing pair (c) with described location-plate (6) respectively,
Described annular chamber (7) is bonded with described annular protrusion (8) forms the 4th sealing pair (d)；Also include multiple by air filter shell (1)
The snap component (9) being connected with air filter lid (5) fastening.
A kind of 2. attachment structure of air filter lid according to claim 1, it is characterised in that the first described sealing pair (a)
For flat seal pair, including located at the described first raised (2) outer end and in the first top surface (10) of horizontal layout and located at described
The outer end of location-plate (6) and in horizontal layout locating surface (11).
A kind of 3. attachment structure of air filter lid according to claim 1, it is characterised in that the second described sealing pair (b)
For flat seal pair, including located at the described second raised (3) outer end and in the second top surface (12) of horizontal layout and located at described
The outer end of location-plate (6) and in horizontal layout locating surface (11).
A kind of 4. attachment structure of air filter lid according to claim 1, it is characterised in that the 3rd described sealing pair (c)
For flat seal pair, including located at the described 3rd raised (4) outer end and in the 3rd top surface (13) of horizontal layout and located at described
The outer end of location-plate (6) and in horizontal layout locating surface (11).
A kind of 5. attachment structure of air filter lid according to claim 1, it is characterised in that the 4th described sealing pair (d)
For conical surface seal pair, including first conical surface (14) gradually narrowed to inner side in the annular chamber (7) and from its outside
With gradually widening to inner side from the outside of it on the annular protrusion (8) and taper and the cone of first conical surface (14)
Spend second conical surface (15) being adapted.
A kind of 6. attachment structure of air filter lid according to any one in claim 1-5, it is characterised in that described
Cavity (16) is provided between two raised (3) and the 3rd raised (4), by described first raised (2), second raised (3), the 3rd projection
(4), the section of air filter shell (1) connection end that annular chamber (7) and cavity (16) are formed is arranged in " E " font.
7. the attachment structure of a kind of air filter lid according to claim 6, it is characterised in that described first raised (2), second
The diameter of raised (3) and the 3rd raised (4) increases successively, also, described first raised (2), second raised (3) and the 3rd are convex
Play that the height of projection of (4) is equal, the thickness of the 3rd raised (4) is all higher than described first raised (2) and the second projection (3)
Thickness.
8. the attachment structure of a kind of air filter lid according to claim 6, it is characterised in that described first raised (2), the
The structure being formed in one between two raised (3), the 3rd raised (4), annular chamber (7) and cavity (16) and air filter shell (1), phase
Answer, the structure being formed in one between described location-plate (6) and annular protrusion (8) and air filter lid (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308809.6U CN207212531U (en) | 2017-09-30 | 2017-09-30 | A kind of attachment structure of air filter lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308809.6U CN207212531U (en) | 2017-09-30 | 2017-09-30 | A kind of attachment structure of air filter lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207212531U true CN207212531U (en) | 2018-04-10 |
Family
ID=61820986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721308809.6U Expired - Fee Related CN207212531U (en) | 2017-09-30 | 2017-09-30 | A kind of attachment structure of air filter lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207212531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489568A (en) * | 2017-09-30 | 2017-12-19 | 广西玉柴机器股份有限公司 | A kind of attachment structure of air filter lid |
-
2017
- 2017-09-30 CN CN201721308809.6U patent/CN207212531U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489568A (en) * | 2017-09-30 | 2017-12-19 | 广西玉柴机器股份有限公司 | A kind of attachment structure of air filter lid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |