CN215137381U - Integral oil filter element - Google Patents
Integral oil filter element Download PDFInfo
- Publication number
- CN215137381U CN215137381U CN202122740388.7U CN202122740388U CN215137381U CN 215137381 U CN215137381 U CN 215137381U CN 202122740388 U CN202122740388 U CN 202122740388U CN 215137381 U CN215137381 U CN 215137381U
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- CN
- China
- Prior art keywords
- filter screen
- positioning step
- interior
- location step
- fillter section
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Abstract
The utility model provides a whole oil filter core, barrel including the axial link up, the barrel includes the middle part fillter section, the interior location step has all been set gradually along the axial in the both ends of middle part fillter section, outer location step and linkage segment, the middle part fillter section, the external diameter of interior location step and outer location step increases in proper order, the middle part fillter section, interior location step, outer location step and linkage segment be the integrated into one piece structure, be provided with the filtration pore on the middle part fillter section, the outside cover of middle part fillter section is equipped with the interior filter screen of tube-shape, the one end that interior location step is close to interior filter screen is the cone-shaped end, the tip and the cone-shaped end welding of interior filter screen link to each other, the outside cover of interior filter screen is equipped with the outer filter screen of tube-shape, the tip and the outer location step welding of outer filter screen link to each other. The utility model discloses a barrel of integrated into one piece structure improves the intensity of whole filter core, and interior filter screen and outer filter core all link to each other through welded fastening, ensure the stability of connecting, improve life.
Description
Technical Field
The utility model relates to a filter core technical field especially indicates a whole oil filter core.
Background
Current filter core structure includes the tube-shape filter media usually, and tube-shape filter media both ends all are fixed with the end cover through the bonding, and this structure is if be used for little volume filter core, and especially axial length is no longer than 22mm, and the biggest filter core that does not exceed 8mm of external diameter then has following problem: 1. because the filter element has smaller volume, the filter layer and the end cover are not easy to be bonded and fixed, and the conditions of infirm bonding and separation of the filter layer and the end cover are easy to occur; 2. the overall strength of the filter element is low, and the service life is short.
Disclosure of Invention
The utility model provides a whole oil filter core adopts the barrel of integrated into one piece structure, improves the intensity of whole filter core, and interior filter screen and outer filter core all link to each other through welded fastening, ensure the stability of connecting, improve life.
The technical scheme of the utility model is realized like this: the utility model provides a whole oil filter core, barrel including the axial link up, the barrel includes the middle part fillter section, the both ends of middle part fillter section all have set gradually interior location step along the axial, outer location step and linkage segment, the middle part fillter section, the external diameter of interior location step and outer location step increases in proper order, the middle part fillter section, interior location step, outer location step and linkage segment are the integrated into one piece structure, be provided with the filtration pore on the middle part fillter section, the outside cover of middle part fillter section is equipped with the interior filter screen of tube-shape, the one end that interior location step is close to interior filter screen is the cone-shaped end, the tip and the cone-shaped end welding of interior filter screen link to each other, the outside cover of interior filter screen is equipped with the outer filter screen of tube-shape, the tip and the outer location step welding of outer filter screen link to each other.
Further, the outer diameter of the inner filter screen is consistent with that of the inner positioning step, and a welding groove is formed between the conical end and the end part of the inner filter screen.
Further, an inner thread is arranged on the inner wall of the connecting section.
Further, the outer diameter of the outer filter screen is smaller than that of the outer positioning step.
Furthermore, one end of the outer side wall of the connecting section is provided with a chamfer surface, the other end of the outer side wall of the connecting section is provided with an annular groove, and the annular groove is connected with the outer positioning step.
The utility model has the advantages that:
the utility model discloses a barrel adopts the middle part fillter section of integrated into one piece structure, interior location step, outer location step and linkage segment, improves the intensity of whole filter core, and filter screen in the outside suit of middle part fillter section, interior filter screen and toper end welding link to each other, and the outer filter core of outside suit of interior filter screen, outer filter screen link to each other with outer location step welding, ensure the stability that interior filter screen and outer filter screen are connected, improve life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the integral oil filter element of the present invention;
FIG. 2 is a schematic structural view of the cartridge;
fig. 3 is a schematic structural diagram of a cylinder with an inner filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in figure 1, the integral oil filter element comprises a cylinder body 1 which is axially communicated, wherein the cylinder body 1 is made of 304 stainless steel, the cylinder body 1 comprises a middle filtering section 2, two ends of the middle filtering section 2 are respectively and sequentially provided with an inner positioning step 3, an outer positioning step 4 and a connecting section 5 along the axial direction, the outer diameters of the middle filtering section 2, the inner positioning step 3 and the outer positioning step 4 are sequentially increased, the middle filtering section 2, the inner positioning step 3, the outer positioning step 4 and the connecting section 5 are of an integrally formed structure, a filtering hole 6 is arranged on the middle filtering section 2, a cylindrical inner filter screen 7 is sleeved on the outer side of the middle filtering section 2, one end of the inner positioning step 3 close to the inner filter screen 7 is a conical end 8, the end part of the inner filter screen 7 is welded and connected with the conical end 8, a cylindrical outer filter screen 9 is sleeved on the outer side of the inner filter screen 7, and the end part of the outer filter screen 9 is welded and connected with the outer positioning step 4, the inner screen 7 and the outer screen 9 are both 304 stainless steel screens.
When the integral oil filter element is assembled, the sheet-shaped inner filter screen 7 is wrapped on the outer side of the middle filter section 2, then the side edges of the inner filter screen 7 are butted and fixedly connected by welding to form a cylindrical inner filter screen 7, and then the end part of the inner filter screen 7 is fixedly connected with the conical end 8 by welding; then wrap up the outside of interior filter screen 7 with flaky outer filter screen 9, then with the side butt joint of outer filter screen 9, and weld fixture links to each other, form the outer filter screen 9 of tube-shape, then with the tip of outer filter screen 9 with outer positioning step 4 weld fixture links to each other.
When the integral oil filter element is used, oil is sequentially filtered through the outer filter screen 9 and the inner filter screen 7, finally enters the cylinder body 1 through the filter holes 6, and is discharged through the connecting sections 5 at two ends of the cylinder body 1.
The external diameter of interior filter screen 7 is unanimous with the external diameter of interior location step 3, has formed welding groove 10 between the tip of toper end 8 and interior filter screen 7, and through setting up welding groove 10, the welding wire of being convenient for is filled welding groove 10, carries out interior filter screen 7 and the welding of toper end 8 and links to each other, avoids welding position evagination, influences the parcel of outer filter screen 9.
One end of the outer side wall of the connecting section 5 is provided with a chamfer surface 11, the other end is provided with an annular groove 12, and the annular groove 12 is connected with the outer positioning step 4. Be provided with the internal thread on the inner wall of linkage segment 5, through setting up the internal thread, be convenient for whole oil filter core is connected with the trunk line.
The outer diameter of the outer filter screen 9 is smaller than that of the outer positioning step 4, so that the outer filter screen 9 is conveniently welded with the outer positioning step 4.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An integral oil filter element, characterized in that: the filter comprises an axially through barrel body (1), wherein the barrel body (1) comprises a middle filtering section (2), the two ends of the middle filtering section (2) are respectively and sequentially provided with an inner positioning step (3), an outer positioning step (4) and a connecting section (5) along the axial direction, the outer diameters of the middle filtering section (2), the inner positioning step (3) and the outer positioning step (4) are sequentially increased, the middle filtering section (2), the inner positioning step (3), the outer positioning step (4) and the connecting section (5) are of an integrally formed structure, a filtering hole (6) is formed in the middle filtering section (2), a cylindrical inner filter screen (7) is sleeved on the outer side of the middle filtering section (2), a conical end (8) is arranged at one end of the inner positioning step (3) close to the inner filter screen (7), the end part of the inner filter screen (7) is welded and connected with the conical end (8), an outer cylindrical outer filter screen (9) of the filter screen (7) is sleeved on the inner side, the end part of the outer filter screen (9) is connected with the outer positioning step (4) in a welding way.
2. A one-piece oil filter element according to claim 1, wherein: the outer diameter of the inner filter screen (7) is consistent with that of the inner positioning step (3), and a welding groove (10) is formed between the conical end (8) and the end part of the inner filter screen (7).
3. An integral oil filter element according to claim 1 or claim 2 wherein: the inner wall of the connecting section (5) is provided with internal threads.
4. An integral oil filter element according to claim 1 or claim 2 wherein: the outer diameter of the outer filter screen (9) is smaller than that of the outer positioning step (4).
5. A one-piece oil filter element according to claim 1, wherein: one end of the outer side wall of the connecting section (5) is provided with a chamfer surface (11), the other end of the outer side wall of the connecting section is provided with an annular groove (12), and the annular groove (12) is connected with the outer positioning step (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122740388.7U CN215137381U (en) | 2021-11-10 | 2021-11-10 | Integral oil filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122740388.7U CN215137381U (en) | 2021-11-10 | 2021-11-10 | Integral oil filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215137381U true CN215137381U (en) | 2021-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122740388.7U Active CN215137381U (en) | 2021-11-10 | 2021-11-10 | Integral oil filter element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215137381U (en) |
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2021
- 2021-11-10 CN CN202122740388.7U patent/CN215137381U/en active Active
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