CN201719913U - Filter core for engineering machinery - Google Patents
Filter core for engineering machinery Download PDFInfo
- Publication number
- CN201719913U CN201719913U CN2010201842362U CN201020184236U CN201719913U CN 201719913 U CN201719913 U CN 201719913U CN 2010201842362 U CN2010201842362 U CN 2010201842362U CN 201020184236 U CN201020184236 U CN 201020184236U CN 201719913 U CN201719913 U CN 201719913U
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- CN
- China
- Prior art keywords
- filter core
- seal ring
- exterior seal
- sealing ring
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a filter core for engineering machinery, which comprises a core body with the hollow inside and a filter plate positioned on the periphery of the core body, wherein one end of the filter core is sealed through an overflowing valve, an opening arranged at the other end is connected with a filter core installing seat through a support frame, the inner side of the support frame is provided with a groove, and an inner sealing ring is arranged in the groove. The utility model is characterized in that an outer sealing ring is arranged at the outer side of the support frame, the inner end surface of the outer sealing ring is connected with the support frame through adhesives, the outer end surface of the outer sealing ring is higher than the end surface of the support frame, and the outer end surface of the outer sealing ring is connected with the filter core installing seat through at least two sealing lips. The utility model has the advantages that through the arrangement of the outer sealing ring at the outer side of the support frame, the outer end surface of the outer sealing ring is connected with the filter core installing seat through the sealing lips, the sealing performance of the filter core is improved, and the entering of polluted oil liquid into the filter core caused by untight sealing can be avoided.
Description
Technical field
The utility model relates to a kind of filter core, is specifically related to a kind of filter core that is used for engineering machinery.
Background technology
Filter core is the utilization again for resource that purifies ecosystem and resource; filter core is mainly used in oily filtration, air filtration, water filtration etc. and filters industry now; after needs are filtered medium and enter filter core; its impurity is blocked; and the medium of cleaning flows out from filter core; removed a spot of solid particle in liquid or the air, thus the operate as normal of protection equipment.
At present, in engineering machinery in order to improve the cleannes of fluid, thereby filter core is installed in the engineering machinery usually fluid is filtered the service life of improving machinery, make contaminated fluid be used needed state to engineering machinery by cleaning.Existing filter core comprises the core body of inner hollow and is positioned at the filter plate of core body periphery, core body and filter plate are the tubular structure of one, filter core one end is by an overflow valve sealing, other end opening is installed on the filter core mount pad and is communicated with fuel tank through support, and the fluid of pollution filters by filter plate and enters core body and finally flow back to fuel tank.Filter core in use in order to prevent that polluting fluid flows in the core body from the slit of support and filter core mount pad, all is provided with hermetically-sealed construction usually, and hermetically-sealed construction comprises two kinds: axial seal and end face seal.Axial seal is by offering groove in the support inboard, sealing ring is set in the groove, thereby plays sealing function, prevents to pollute fluid and enters core body; End face seal is by at bracket end face, and promptly support and filter core mount pad contact-making surface are provided with sealing ring, play sealing function.
Yet in the use of reality, find, when installing, axial seal require the sealing ring installed surface coaxial with the filter core installed surface, the filter core axis was vertical with installed surface when end face seal then required filter core to install, during installation inevitably deviation can appear, cause poorly sealed easily, cause polluting fluid and enter core body, pollute fluid after filtration, and then the operate as normal of influence machinery.
Summary of the invention
The utility model purpose provides a kind of filter core that is used for engineering machinery, by the improvement to structure, has improved the sealing of filter core, avoids causing polluting fluid and entering filter core because of poorly sealed.
For achieving the above object, the technical solution adopted in the utility model is: a kind of filter core that is used for engineering machinery, the core body and the filter plate that is positioned at the core body periphery that comprise inner hollow, core body and filter plate are the tubular structure of one, described filter core one end seals through an overflow valve, other end opening is connected with the filter core mount pad through support, described support inboard offers groove, be provided with inner seal ring in the described groove, the described support outside is provided with exterior seal ring, described exterior seal ring inner face is connected with described support through bonding agent, and described exterior seal ring outer face is higher than described bracket end face, and described exterior seal ring outer face is connected with described filter core mount pad through at least two sealing lips.
In the technique scheme, described filter core is a tubular structure, and inside is hollow core, and the periphery is provided with filter plate, after the Hydraulic Elements oil return fluid is recycled to the filter plate outside, enters core body then after filter plate filters, and flows back into fuel tank through core body opening one end again.This structure is at support arranged outside exterior seal ring, sealing circle the inner is connected with support through bonding agent, the outer face is higher than bracket end face, and be connected with the filter core mount pad through sealing lip, can effectively prevent to pollute end face slit flow into core body in and then pollution be filtered the fluid of fluid from exterior seal ring and filter core mount pad, and owing to offer groove in the support inboard, also be provided with inner seal ring in the groove, even there is a small amount of pollution fluid to flow into from the end face slit of exterior seal ring and filter core mount pad, this moment, inner seal ring can be brought into play the axial seal effect.
Further technical scheme is provided with the space between the described exterior seal ring inboard and the described support outside.Inboard and the described support of described exterior seal ring is provided with certain space between the outside, after being compressed when mounted, exterior seal ring can reach the effect of sealing to internal strain, and because exterior seal ring is thicker, can be suitable remedy the axiality when installing and the problem of perpendicularity.
Further technical scheme, described bonding agent is a viscose glue.Described viscose glue makes that end face is bonding between exterior seal ring inner face and the support, prevents the fluid of foreign material after between the two slit enters filtration.
Because the technique scheme utilization, the advantage that the utility model compared with prior art has is:
1, owing to the utility model passes through at support arranged outside exterior seal ring, sealing circle inner face is connected with support through bonding agent, the outer face is connected with the filter core mount pad through sealing lip, makes filter core end face seal raising, avoids causing polluting fluid and entering filter core because of poorly sealed;
2, the utility model makes to reach sealing to internal strain behind the exterior seal ring pressurized when filter core is installed by be provided with the space between exterior seal ring and support, has further improved sealing;
3, the utility model is simple in structure, and is easy to use, is fit to promote the use of.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the utility model user mode schematic diagram.
Wherein: 1, core body; 2, filter plate; 3, support; 4, filter core mount pad; 5, groove; 6, inner seal ring; 7, exterior seal ring; 8, sealing lip.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one: referring to Fig. 1, shown in 2, a kind of filter core that is used for engineering machinery, the core body 1 and the filter plate 2 that is positioned at the core body periphery that comprise inner hollow, described filter core one end seals through an overflow valve, other end opening is connected with filter core mount pad 4 through support 3, described support inboard offers groove 5, be provided with inner seal ring 6 in the described groove, the described support outside is provided with exterior seal ring 7, be provided with the space between the described exterior seal ring inboard and described support 3 outsides, described exterior seal ring inner face is connected with described support through viscose glue, and described exterior seal ring outer face is higher than described bracket end face, and two sealing lips 8 in described exterior seal ring outer face are connected with described filter core mount pad.
This filter core in use, referring to shown in Figure 2, the Hydraulic Elements oil return is recycled to filter core with contaminated fluid, enters core body 1 after filter plate 2 filters, and is back to fuel tank then.Because the exterior seal ring outer face is connected with filter core mount pad 4 through sealing lip 8, can prevent to pollute fluid flows in the core body through slit between the two, and then pollute the fluid filtered, support 3 inboards offer groove 5, be provided with inner seal ring 6 in it, further play the effect of axial seal, and section is connected with support through viscose glue in the exterior seal ring, makes foreign material can not enter in the fluid that has filtered by slit between the two.
Claims (3)
1. filter core that is used for engineering machinery, comprise the core body (1) of inner hollow and be positioned at the filter plate (2) of core body periphery, described filter core one end seals through an overflow valve, other end opening is connected with filter core mount pad (4) through support (3), described support inboard offers groove (5), be provided with inner seal ring (6) in the described groove, it is characterized in that: described support (3) outside is provided with exterior seal ring (7), described exterior seal ring inner face is connected with described support through bonding agent, described exterior seal ring outer face is higher than described bracket end face, and described exterior seal ring outer face is connected with described filter core mount pad through at least two sealing lips (8).
2. a kind of filter core that is used for engineering machinery according to claim 1 is characterized in that: be provided with the space between described exterior seal ring (7) inboard and described support (3) outside.
3. a kind of filter core that is used for engineering machinery according to claim 1 is characterized in that: described bonding agent is a viscose glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201842362U CN201719913U (en) | 2010-04-26 | 2010-04-26 | Filter core for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201842362U CN201719913U (en) | 2010-04-26 | 2010-04-26 | Filter core for engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201719913U true CN201719913U (en) | 2011-01-26 |
Family
ID=43488187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201842362U Expired - Fee Related CN201719913U (en) | 2010-04-26 | 2010-04-26 | Filter core for engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201719913U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110712A (en) * | 2016-08-25 | 2016-11-16 | 张家港市华晟净化设备有限公司 | A kind of engine oil filter |
-
2010
- 2010-04-26 CN CN2010201842362U patent/CN201719913U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110712A (en) * | 2016-08-25 | 2016-11-16 | 张家港市华晟净化设备有限公司 | A kind of engine oil filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20130426 |