CN202802956U - Filter element end cover and filter element - Google Patents
Filter element end cover and filter element Download PDFInfo
- Publication number
- CN202802956U CN202802956U CN 201220511570 CN201220511570U CN202802956U CN 202802956 U CN202802956 U CN 202802956U CN 201220511570 CN201220511570 CN 201220511570 CN 201220511570 U CN201220511570 U CN 201220511570U CN 202802956 U CN202802956 U CN 202802956U
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- China
- Prior art keywords
- boss
- filter element
- end cover
- end cap
- hole
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Abstract
The utility model provides a filter element end cover which comprises an end cover body and a through hole arranged on the end cover body. A boss is arranged on the end cover body, and the end cover body and the boss are of an integrated structure. The through hole penetrates through the end cover body and the boss, and the boss is an elastic boss which can elastically recover when being pressed in the axial direction of the through hole. The utility model further provides a filter element which comprises a filter element body, wherein the filter element end covers are respectively arranged at the upper end and the lower end of the filter element body. The filter element end cover and the filter element are simple in structure, convenient in process and good in sealing effect.
Description
Technical field
The utility model relates to a kind of filter element, is specifically related to a kind of end cover of filter element and filter core.
Background technology
Filter core in the market is mainly by upper and lower end cap, refill, central tube, the nonwoven sealing ring, the special-shaped circle of rubber waits composition, wherein product end cap mostly the mode of the direct ultrasonic bonding nonwoven of the upper and lower end cap of employing seal washer reach sealing effectiveness; Perhaps nonwoven is placed directly on the injection mold, adopts the mode of single injection-molded to reach sealing effectiveness; Or be to reach sealing effectiveness by the mode that sealing ring is installed.
Application number is that 200810121623.9 Chinese utility model patent discloses a kind of filter element, and end cap seal circle 5 adopts nonwoven cloth materials to make, and nonwoven cloth material adopts the ultrasonic bonding mode to be welded on the end cap body 1, as illustrated in fig. 1 and 2.There is following problem in the bonding nonwoven of this kind mode: 1, end cap by injection moulding be accomplished to the weldering nonwoven divide two processes to finish, efficient is not high; 2, there is the unstability of equipment in ultrasonic bonding, so that the nonwoven of welding is insecure or occur that intensity is excessive to cause nonwoven welding damaged, not attractive in appearance in appearance; Such as not prison welding, filter core the situation that nonwoven comes off can occur in actual use, as weld excessively, the situation that nonwoven burns can appear, closely cause the damaged obscission of nonwoven, these two kinds of phenomenons cause comes off and nonwoven is fallen into cause lubricant passage way to stop up in the filter block, thereby affects the normal operation of engine; 3, the fiber fines on the nonwoven can form hydro-planing under the vibration of ultrasonic wave effect during ultrasonic bonding nonwoven, pollutes the environment of operationlocation.
And application number is 201010601716.9 the disclosed filter element of Chinese utility model patent, and end cap seal circle 5 adopts nonwoven cloth material to make, and nonwoven is embedded in the mould, is shaped through matched moulds injection moulding and end cap body 1, shown in Fig. 3 and 4.There is following problem in the bonding nonwoven of this kind mode: 1, have the nonwoven cutting action, nonwoven needs first cutting, again injection moulding, and operation is loaded down with trivial details; 2, need nonwoven cloth material; 3, non-woven fabrics fiber is floating easily, forms to pollute.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of end cover of filter element and filter core, and simple in structure, technique makes things convenient for, good sealing effect.
For solving above-mentioned existing technical problem, the utility model adopts following scheme: a kind of end cover of filter element, comprise end cap body and the through hole that is located on the end cap body, described end cap body is provided with boss, described end cap body and boss are structure as a whole, described through hole runs through end cap body and boss, but the elasticity boss of described boss elastic recovery for along axially the pressing of through hole the time.Boss is flexible, cooperates when installing with assembly closely, has the function of similar sealing ring, can play good sealing function.
As preferably, described through hole is circular hole, and described boss is the cylinder of hollow.Structure is more reasonable.
As preferably, described boss is provided with snap ring, and described snap ring internal diameter is positioned at the internal diameter at place, two ends less than boss, and described snap ring external diameter is positioned at the external diameter at place, two ends less than boss.The boss indent forms a snap ring, and assembling is simple, and good seal performance has certain elasticity when making boss along axially the pressing of through hole.
A kind of filter core comprises the filter core body, and described filter core body is provided with above-mentioned end cover of filter element in two ends up and down.
Beneficial effect:
A kind of end cover of filter element and filter core that the utility model adopts technique scheme to provide, simple in structure, technique makes things convenient for, good sealing effect.
Description of drawings
Fig. 1 is that the end cap seal circle employing ultrasonic bonding mode of nonwoven cloth material is welded on the structural representation on the end cap body;
Fig. 2 is that the end cap seal circle employing ultrasonic bonding mode of nonwoven cloth material is welded on the structural representation on the end cap body;
Fig. 3 is the injection molded structural representation of being combined with the end cap body of the end cap seal circle of nonwoven cloth material;
Fig. 4 is the injection molded structural representation of being combined with the end cap body of the end cap seal circle of nonwoven cloth material;
Fig. 5 is the structure top view of the utility model end cover of filter element;
Fig. 6 is the structure cutaway view of the utility model end cover of filter element;
Fig. 7 partly cuts open figure for the structure that adopts the utility model filter core.
The specific embodiment
As shown in Figs. 5 to 7, a kind of end cover of filter element, comprise end cap body 1 and the through hole 4 that is located on the end cap body 1, described end cap body 1 is provided with boss 2, described end cap body 1 is structure as a whole with boss 2, described through hole 4 runs through end cap body 1 and boss 2, but the elasticity boss of described boss 2 elastic recovery for along axially the pressing of through hole 4 time.Described through hole 4 is circular hole, and described boss 2 is the cylinder of hollow.Described boss 2 is provided with snap ring 3, and described snap ring 3 internal diameters are positioned at the internal diameter that two ends are located less than boss 2, and described snap ring 3 external diameters are positioned at the external diameter at place, two ends less than boss 2.
A kind of filter core comprises filter core body 6, and described filter core body is provided with above-mentioned end cover of filter element in two ends about in the of 6.
In this structure, end cap body 1 and boss 2 integrated injection molding one-shot formings, described boss 2 is identical with end cap body 1 material, the injection moulding one-shot forming is easy, and wall was thin when boss was made, wall is soft, because boss wall is thin, wall is soft, thereby have elasticity when boss is pressed, can cooperate when installing with assembly closely.The utlity model has following advantage: 1, reduce accessory, need not nonwoven sealing ring and special-shaped circle and wait sealing medium; 2, operation is few, and the injection moulding one-shot forming can be finished, and has improved production efficiency; 3, reduce cost, fully pollution-free.
Claims (4)
1. end cover of filter element, comprise end cap body (1) and be located at through hole (4) on the end cap body (1), it is characterized in that: described end cap body (1) is provided with boss (2), described end cap body (1) is structure as a whole with boss (2), described through hole (4) runs through end cap body (1) and boss (2), described boss (2) for along through hole (4) but axially press the time elastic recovery the elasticity boss.
2. a kind of end cover of filter element according to claim 1, it is characterized in that: described through hole (4) is circular hole, and described boss (2) is the cylinder of hollow.
3. a kind of end cover of filter element according to claim 2, it is characterized in that: described boss (2) is provided with snap ring (3), described snap ring (3) internal diameter is positioned at the internal diameter that two ends are located less than boss (2), and described snap ring (3) external diameter is positioned at the external diameter at place, two ends less than boss (2).
4. a filter core comprises filter core body (6), it is characterized in that: described filter core body (6) up and down two ends is provided with such as arbitrary described end cover of filter element in the claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511570 CN202802956U (en) | 2012-09-29 | 2012-09-29 | Filter element end cover and filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511570 CN202802956U (en) | 2012-09-29 | 2012-09-29 | Filter element end cover and filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202802956U true CN202802956U (en) | 2013-03-20 |
Family
ID=47861902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220511570 Expired - Lifetime CN202802956U (en) | 2012-09-29 | 2012-09-29 | Filter element end cover and filter element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202802956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102872644A (en) * | 2012-09-29 | 2013-01-16 | 浙江威泰汽配有限公司 | Filter core end cover and filter core |
-
2012
- 2012-09-29 CN CN 201220511570 patent/CN202802956U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102872644A (en) * | 2012-09-29 | 2013-01-16 | 浙江威泰汽配有限公司 | Filter core end cover and filter core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |