CN221256982U - Filter element with sealing structure - Google Patents
Filter element with sealing structure Download PDFInfo
- Publication number
- CN221256982U CN221256982U CN202323005655.1U CN202323005655U CN221256982U CN 221256982 U CN221256982 U CN 221256982U CN 202323005655 U CN202323005655 U CN 202323005655U CN 221256982 U CN221256982 U CN 221256982U
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- CN
- China
- Prior art keywords
- wall
- annular table
- sealing
- cover
- cover body
- Prior art date
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 59
- 239000000446 fuel Substances 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 230000000670 limiting effect Effects 0.000 claims description 17
- 238000001746 injection moulding Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 210000004907 gland Anatomy 0.000 description 12
- 239000003921 oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to the technical field of fuel filters, in particular to a filter element with a sealing structure, which comprises an upper end cover, a lower end cover and filter paper arranged between the upper end cover and the lower end cover from inside to outside, wherein the upper end cover comprises a cover body, an upper annular table is arranged at the central axis of the upper end surface of the cover body, a lower annular table is arranged at the central axis of the lower end surface of the cover body, an annular bottom plate is arranged at one end of the lower annular table, which is not connected with the cover body, the inner wall of the upper annular table is connected with the inner wall of the lower annular table to form a cavity, a sealing piece is arranged in the cavity, an oil passing hole for fuel to pass through is formed in the sealing piece, and the outer peripheral wall of the sealing piece is attached to the inner wall of the cavity, and the beneficial effects of the utility model are that: can effectively prevent the sealing element from falling off, and has excellent sealing effect.
Description
Technical Field
The utility model relates to the technical field of fuel filters, in particular to a filter element with a sealing structure.
Background
The utility model provides a function of fuel filter is debris, colloid and the moisture in the filtering fuel, carry clean fuel to each lubrication position, in order to prevent the oil leak of fuel filter, need set up seal structure in upper end cover department, the utility model of patent application number CN202220651263.9 discloses a fuel filter assembly and filter core subassembly thereof, including casing, upper end cover, the upper end of casing is provided with gland subassembly, gland subassembly includes link plate and gland, be equipped with the sealing washer that is used for sealedly on the gland, the gland is connected with the casing adoption current sealing technique, the gland is connected with the upper end cover with the help of the inner seal circle, gland upper end and filter seat are connected.
The fuel filter has the following defects: 1. the gland is provided with a ring groove for installing the sealing ring, the gland assembly is connected with the upper end cover by means of the inner sealing ring, and if the inner sealing ring is not placed in place or the gland is not assembled in place, the hidden danger of falling off or poor sealing of the sealing ring exists; 2. the sealing ring needs to be installed on the gland, and the gland is assembled on the upper end cover, so that the assembly time and the cost are increased due to the increased assembly process, and the production efficiency is reduced.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a filter element with a sealing structure, which can effectively prevent a sealing element from falling off and has an excellent sealing effect.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a filter core with seal structure, includes upper end cover, lower extreme cover and by interior and the filter paper of arranging in between upper end cover and the lower extreme cover outward, its characterized in that: the upper end cover comprises a cover body, an upper annular table is arranged at the central axis of the upper end face of the cover body, a lower annular table is arranged at the central axis of the lower end face of the cover body, an annular bottom plate is arranged at one end, which is not connected with the cover body, of the lower annular table, a cavity is formed by connecting the inner wall of the upper annular table with the inner wall of the lower annular table, a sealing element is arranged in the cavity, an oil passing hole for fuel to pass through is formed in the sealing element, and the outer peripheral wall of the sealing element is attached to the inner wall of the cavity.
The present utility model having the above-described features: an upper annular table and a lower annular table which are connected with each other by an inner wall are arranged at the central axis of the cover body to form a cavity for arranging the sealing element, the sealing element is arranged in the cavity and is wrapped by the inner wall of the cavity and the annular bottom plate, so that the sealing element can be effectively prevented from falling off; the inner wall of the cavity and the annular bottom plate have a limiting effect on the sealing element, and when a part matched with the sealing element in the assembly is inserted into the sealing element, the part, the inner wall of the cavity and the annular bottom plate simultaneously squeeze the sealing element, so that the sealing performance of the sealing element is ensured.
The utility model is further provided with the following steps: at least two symmetrical limiting blocks are arranged on the peripheral wall of the sealing piece, and limiting grooves matched with the limiting blocks are correspondingly formed in the lower annular table.
The present utility model having the above-described features: the limiting block on the sealing element is inserted into the limiting groove, so that the sealing element is tightly attached to the inner wall of the cavity, the sealing element is limited, and the sealing element is further prevented from falling off.
The utility model is further provided with the following steps: the sealing element is manufactured by adopting a rubber injection molding process.
The present utility model having the above-described features: the sealing element adopts a rubber injection molding process, replaces the process of assembling the sealing element finished product into the upper end cover, reduces the assembly process, combines the sealing element and the upper end cover into a whole, and improves the production efficiency and the production quality.
The utility model is further provided with the following steps: two symmetrical matching grooves and two arc-shaped limiting edges are formed in the inner wall of the oil passing hole, and two ends of each arc-shaped limiting edge are connected with the groove edges of the two matching grooves respectively.
The present utility model having the above-described features: the inner wall of the oil passing hole is provided with a matching groove and a limiting edge which are used for matching parts connected with the sealing element in the assembly, and the matching groove and the limiting edge are connected in an adaptive and interference mode, so that good sealing effect is guaranteed.
The utility model is described in further detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of an upper end cap according to an embodiment of the present utility model.
Fig. 3 is a schematic diagram of an upper end cap according to an embodiment of the present utility model.
Fig. 4 is a cross-sectional view of an upper end cap according to an embodiment of the present utility model.
FIG. 5 is a schematic view of a seal according to an embodiment of the present utility model.
Description of the embodiments
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
The filter element with sealing structure as shown in fig. 1-5 comprises an upper end cover 1, a lower end cover 2 and filter paper 3 arranged between the upper end cover and the lower end cover from inside to outside, wherein the upper end cover 1 comprises a cover body 11, an upper annular table 12 is arranged at the central axis of the upper end surface of the cover body 11, a lower annular table 13 is arranged at the central axis of the lower end surface of the cover body 11, an annular bottom plate 131 is arranged at one end of the lower annular table 13 which is not connected with the cover body 11, the inner wall of the upper annular table 12 is connected with the inner wall of the lower annular table 13 to form a cavity 14, a sealing piece 4 is arranged in the cavity 14, the sealing piece 4 is manufactured by adopting a rubber injection molding process, a worker does not need to put the sealing piece into the cavity, an oil passing hole 41 for the fuel oil to pass is arranged on the sealing piece 4, at least two symmetrical limiting blocks 42 are arranged on the outer peripheral wall of the sealing piece 4, the lower ring table 13 is correspondingly provided with a limit groove 132 matched with the limit block 42, the limit groove 132 comprises a first limit groove 1321 arranged on the inner wall of the lower ring table 13 and a second limit groove 1322 arranged on the annular bottom plate 131, the first limit groove 1321 is communicated with the second limit groove 1322 and is vertically connected with the second limit groove 1322, when the limit block 42 is positioned in the limit groove 132, the upper end surface of the limit block 42 is abutted against the groove wall of the first limit groove 1321, the lower end surface of the limit block 42 is positioned in the second limit groove 1322, the inner wall of the oil passing hole 41 is provided with two symmetrical fit grooves 43 and two arc limit edges 44, two ends of the arc limit edges 44 are respectively connected with the groove edges of the two fit grooves 43, when the filter element is arranged in the filter assembly, a part is connected with a sealing element, the part is correspondingly provided with a fit block spliced with the fit grooves and another edge abutted against the arc limit edges, the two are in interference connection, and through setting up the spacing border of cooperation groove and arc, improve the cooperation compactness of sealing member and this part, further guarantee sealing performance.
Claims (4)
1. The utility model provides a filter core with seal structure, includes upper end cover, lower extreme cover and by interior and the filter paper of arranging in between upper end cover and the lower extreme cover outward, its characterized in that: the upper end cover comprises a cover body, an upper annular table is arranged at the central axis of the upper end face of the cover body, a lower annular table is arranged at the central axis of the lower end face of the cover body, an annular bottom plate is arranged at one end, which is not connected with the cover body, of the lower annular table, a cavity is formed by connecting the inner wall of the upper annular table with the inner wall of the lower annular table, a sealing element is arranged in the cavity, an oil passing hole for fuel to pass through is formed in the sealing element, and the outer peripheral wall of the sealing element is attached to the inner wall of the cavity.
2. A cartridge having a seal arrangement according to claim 1, wherein: at least two symmetrical limiting blocks are arranged on the peripheral wall of the sealing piece, and limiting grooves matched with the limiting blocks are correspondingly formed in the lower annular table.
3. A cartridge with sealing arrangement according to claim 1 or 2, characterized in that: the sealing element is manufactured by adopting a rubber injection molding process.
4. A cartridge with sealing arrangement according to claim 1 or 2, characterized in that: two symmetrical matching grooves and two arc-shaped limiting edges are formed in the inner wall of the oil passing hole, and two ends of each arc-shaped limiting edge are connected with the groove edges of the two matching grooves respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323005655.1U CN221256982U (en) | 2023-11-07 | 2023-11-07 | Filter element with sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323005655.1U CN221256982U (en) | 2023-11-07 | 2023-11-07 | Filter element with sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221256982U true CN221256982U (en) | 2024-07-02 |
Family
ID=91650264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323005655.1U Active CN221256982U (en) | 2023-11-07 | 2023-11-07 | Filter element with sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221256982U (en) |
-
2023
- 2023-11-07 CN CN202323005655.1U patent/CN221256982U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |