CN212535897U - Filter with novel structure - Google Patents
Filter with novel structure Download PDFInfo
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- CN212535897U CN212535897U CN202020570489.7U CN202020570489U CN212535897U CN 212535897 U CN212535897 U CN 212535897U CN 202020570489 U CN202020570489 U CN 202020570489U CN 212535897 U CN212535897 U CN 212535897U
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- filter
- positioning cylinder
- filter element
- end cover
- liquid inlet
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Abstract
The utility model discloses a filter with a novel structure, wherein a filter element is positioned in a filter tank, a liquid inlet cavity is arranged inside the filter element, a liquid outlet cavity is formed between the outer wall of the filter element and the inner wall of the filter tank, an outer positioning cylinder extending around the liquid inlet cavity is arranged at the top of the filter element, a cover plate is arranged at the opening of the filter tank, an inner positioning cylinder arranged around the liquid inlet is arranged at the bottom of the cover plate, the inner positioning cylinder is positioned inside the outer positioning cylinder, and a sealing ring is arranged between the inner positioning cylinder and the outer positioning cylinder; the spring cover is established outside outer location section of thick bamboo, and the spring both ends lean on apron and filter core respectively. Through the filter of above-mentioned optimal design's novel structure, through installing the sealing washer between the outer location section of thick bamboo at filter core top and the interior location section of thick bamboo of apron bottom, change radial seal into, avoided the risk of end face seal inefficacy, show and improve sealing reliability, reduce the manufacturing degree of difficulty, guarantee the axial positioning of filter core part through the spring simultaneously.
Description
Technical Field
The utility model relates to a filter technical field for the internal-combustion engine especially relates to a novel filter of structure.
Background
The filter for the internal combustion engine in the market generally adopts the rubber spare of certain thickness before, installs and guarantees end face seal between end cover and spiral shell. For some products, especially for fuel prefilters without elastic element support at the bottom of the filter element, the compression of the inner sealing element is generally small because it provides a potential compression by deformation of the inner sealing element itself, which inevitably results in high requirements for the dimensions of other relevant components. Once dimensional control is poor, two consequences are necessarily achieved, one being that excessive compression affects seal and related component life, and the other being that too low compression can lead to seal failure and filter shorting.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem who exists among the background art, the utility model provides a novel structure's filter.
The utility model provides a pair of novel filter of structure, include: the filter comprises a filter tank, a filter element, a cover plate and a spring;
one end of the filter tank is provided with an opening, the filter element is positioned in the filter tank, a liquid inlet cavity extending from one end close to the opening to the middle part is arranged in the filter element, a liquid outlet cavity is formed between the outer wall of the filter element and the inner wall of the filter tank, and the top of the filter element is provided with an outer positioning cylinder extending around the liquid inlet cavity;
the cover plate is arranged at the opening of the filter tank, the cover plate is provided with a liquid inlet communicated with the liquid inlet cavity and a liquid outlet communicated with the liquid outlet cavity, the bottom of the cover plate is provided with an inner positioning cylinder arranged around the liquid inlet, the inner positioning cylinder is positioned in the outer positioning cylinder, and a sealing ring is arranged between the inner positioning cylinder and the outer positioning cylinder;
the spring cover is established outside outer location section of thick bamboo, and the spring both ends lean on apron and filter core respectively.
Preferably, the filter element comprises an upper end cover, a lower end cover, filter paper and a central tube;
the upper end cover and the lower end cover are respectively arranged at two ends of the central tube, the filter paper is positioned between the upper end cover and the lower end cover and arranged around the central tube, and the side wall of the central tube is provided with a through hole.
Preferably, the outer positioning cylinder is arranged on the top of the upper end cover.
Preferably, the bottom of the upper end cover is provided with an upper mounting groove, the top of the lower end cover is provided with a lower mounting groove, and the upper end of the filter paper is positioned in the upper mounting groove and the lower end of the filter paper is positioned in the lower mounting groove.
Preferably, lower end cover top is equipped with down the location arch, and upper end cover bottom is equipped with the location arch, and the center tube both ends are established respectively and are fixed a position protruding outside with lower location arch at last.
Preferably, the filter core top is equipped with spacing arch, spacing arch and outer location section of thick bamboo periphery, and spacing arch and outer location section of thick bamboo interval set up and form spring mounting position between the two.
Preferably, the inner wall of the outer positioning cylinder is provided with a sealing ring accommodating groove.
In the filter with the novel structure, the filter element is positioned in the filter tank, the filter element is internally provided with the liquid inlet cavity, the liquid outlet cavity is formed between the outer wall of the filter element and the inner wall of the filter tank, the top of the filter element is provided with the outer positioning cylinder extending around the liquid inlet cavity, the cover plate is arranged at the opening of the filter tank, the bottom of the cover plate is provided with the inner positioning cylinder arranged around the liquid inlet, the inner positioning cylinder is positioned in the outer positioning cylinder, and the sealing ring is arranged between the inner positioning cylinder and the outer positioning cylinder; the spring cover is established outside outer location section of thick bamboo, and the spring both ends lean on apron and filter core respectively. Through the filter of above-mentioned optimal design's novel structure, through installing the sealing washer between the outer location section of thick bamboo at filter core top and the interior location section of thick bamboo of apron bottom, change radial seal into, avoided the risk of end face seal inefficacy, show and improve sealing reliability, reduce the manufacturing degree of difficulty, guarantee the axial positioning of filter core part through the spring simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a filter with a novel structure according to the present invention.
Detailed Description
As shown in fig. 1, fig. 1 is a schematic structural diagram of a filter with a novel structure according to the present invention.
Referring to fig. 1, the utility model provides a novel structural filter, include: the filter comprises a filter tank 1, a filter element, a cover plate 3 and a spring 4;
an opening is formed in one end of the filter tank 1, the filter element is positioned in the filter tank 1, a liquid inlet cavity extending from one end close to the opening to the middle is formed in the filter element, a liquid outlet cavity is formed between the outer wall of the filter element and the inner wall of the filter tank 1, and an outer positioning cylinder 6 extending around the liquid inlet cavity is arranged at the top of the filter element;
the cover plate 3 is arranged at the opening of the filter tank 1, the cover plate 3 is provided with a liquid inlet communicated with the liquid inlet cavity and a liquid outlet communicated with the liquid outlet cavity, the bottom of the cover plate 3 is provided with an inner positioning cylinder 31 arranged around the liquid inlet, the inner positioning cylinder 31 is positioned inside the outer positioning cylinder 6, and a sealing ring 5 is arranged between the inner positioning cylinder 31 and the outer positioning cylinder 6;
the spring 4 is sleeved outside the outer positioning barrel 6, and two ends of the spring 4 respectively abut against the cover plate 3 and the filter element.
In the concrete mounting means of the novel structural filter of this embodiment, at first pack the filter core into the canister, then establish the spring housing in the outer location section of thick bamboo at filter core top outside, then install the apron at the canister opening part, the interior location section of thick bamboo of apron bottom inserts in the outer location section of thick bamboo and through sealing washer and the sealed cooperation of outer location section of thick bamboo for the spring both ends lean on filter core and apron respectively.
In the filter with the novel structure, the filter element is positioned in the filter tank, the filter element is internally provided with a liquid inlet cavity, a liquid outlet cavity is formed between the outer wall of the filter element and the inner wall of the filter tank, the top of the filter element is provided with an outer positioning cylinder extending around the liquid inlet cavity, the cover plate is arranged at the opening of the filter tank, the bottom of the cover plate is provided with an inner positioning cylinder arranged around the liquid inlet, the inner positioning cylinder is positioned in the outer positioning cylinder, and a sealing ring is arranged between the inner positioning cylinder and the outer positioning cylinder; the spring cover is established outside outer location section of thick bamboo, and the spring both ends lean on apron and filter core respectively. Through the filter of above-mentioned optimal design's novel structure, through installing the sealing washer between the outer location section of thick bamboo at filter core top and the interior location section of thick bamboo of apron bottom, change radial seal into, avoided the risk of end face seal inefficacy, show and improve sealing reliability, reduce the manufacturing degree of difficulty, guarantee the axial positioning of filter core part through the spring simultaneously.
In the specific embodiment of the filter element, the filter element comprises an upper end cover 21, a lower end cover 22, filter paper 23, and a central tube 24;
the upper end cover 21 and the lower end cover 22 are respectively installed at two ends of a central tube 24, the filter paper 23 is located between the upper end cover 21 and the lower end cover 22 and arranged around the central tube 24, and a through hole is formed in the side wall of the central tube 24.
In a further embodiment, the outer positioning cylinder 6 is disposed on top of the upper end cap 21.
In a specific design mode of the end cover, an upper mounting groove is formed in the bottom of the upper end cover 21, a lower mounting groove is formed in the top of the lower end cover 22, the upper end of the filter paper 23 is located in the upper mounting groove, and the lower end of the filter paper 23 is located in the lower mounting groove; the upper end cover and the lower end cover fix the filter paper through the mounting grooves, and the filter paper is prevented from shaking during working.
In other specific embodiments, the top of the lower end cover 22 is provided with a lower positioning protrusion 9, the bottom of the upper end cover 21 is provided with an upper positioning protrusion 8, two ends of the central tube 24 are respectively sleeved outside the upper positioning protrusion 8 and the lower positioning protrusion 9, and two ends of the central tube are fixed on the upper end cover and the lower end cover through the positioning protrusions, so that the working stability and reliability of the filter element are ensured.
In order to carry out spacingly to the position of spring, the filter core top is equipped with spacing arch 7, and spacing arch 7 is located the 6 peripheries of outer location section of thick bamboo, and spacing arch 7 sets up and forms the spring mounting position between the two with the 6 intervals of outer location section of thick bamboo, prevents that filter during operation spring deformation from taking place the displacement.
In order to guarantee the reliability of sealing between interior location section of thick bamboo and the outer location section of thick bamboo, 6 inner walls of outer location section of thick bamboo are equipped with the sealing washer holding tank, and the sealing washer is got rid of the holding tank by the card at ground rice, and when taking place relative displacement between apron and filter core, the sealing washer can not squint.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A filter with a novel structure is characterized by comprising: the filter comprises a filter tank (1), a filter element, a cover plate (3) and a spring (4);
one end of the filter tank (1) is provided with an opening, the filter element is positioned in the filter tank (1), a liquid inlet cavity extending from one end close to the opening to the middle part is arranged in the filter element, a liquid outlet cavity is formed between the outer wall of the filter element and the inner wall of the filter tank (1), and the top of the filter element is provided with an outer positioning cylinder (6) extending around the liquid inlet cavity;
the cover plate (3) is arranged at the opening of the filter tank (1), a liquid inlet communicated with the liquid inlet cavity and a liquid outlet communicated with the liquid outlet cavity are arranged on the cover plate (3), an inner positioning cylinder (31) arranged around the liquid inlet is arranged at the bottom of the cover plate (3), the inner positioning cylinder (31) is positioned in the outer positioning cylinder (6), and a sealing ring (5) is arranged between the inner positioning cylinder (31) and the outer positioning cylinder (6);
spring (4) cover is established outside a location section of thick bamboo (6) outward, and spring (4) both ends lean on apron (3) and filter core respectively.
2. The novel structural filter according to claim 1, wherein the filter element comprises an upper end cover (21), a lower end cover (22), filter paper (23) and a central tube (24);
the upper end cover (21) and the lower end cover (22) are respectively arranged at two ends of the central tube (24), the filter paper (23) is positioned between the upper end cover (21) and the lower end cover (22) and arranged around the central tube (24), and the side wall of the central tube (24) is provided with a through hole.
3. The new structure of the filter as claimed in claim 2, wherein the outer positioning cylinder (6) is arranged on top of the upper end cover (21).
4. The novel structural filter according to claim 2, wherein an upper mounting groove is formed at the bottom of the upper end cover (21), a lower mounting groove is formed at the top of the lower end cover (22), and the upper end of the filter paper (23) is positioned in the upper mounting groove and the lower end of the filter paper is positioned in the lower mounting groove.
5. The filter with the novel structure as claimed in claim 2, wherein the lower end cap (22) is provided with a lower positioning protrusion (9) at the top, the upper end cap (21) is provided with an upper positioning protrusion (8) at the bottom, and two ends of the central tube (24) are respectively sleeved outside the upper positioning protrusion (8) and the lower positioning protrusion (9).
6. The filter with the novel structure as claimed in claim 1, wherein the top of the filter element is provided with a limiting protrusion (7), the limiting protrusion (7) is located on the periphery of the outer positioning cylinder (6), the limiting protrusion (7) and the outer positioning cylinder (6) are arranged at intervals, and a spring mounting position is formed between the limiting protrusion and the outer positioning cylinder (6).
7. The new structure of the filter as claimed in claim 1, wherein the inner wall of the outer positioning cylinder (6) is provided with a sealing ring receiving groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020570489.7U CN212535897U (en) | 2020-04-17 | 2020-04-17 | Filter with novel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020570489.7U CN212535897U (en) | 2020-04-17 | 2020-04-17 | Filter with novel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212535897U true CN212535897U (en) | 2021-02-12 |
Family
ID=74519421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020570489.7U Active CN212535897U (en) | 2020-04-17 | 2020-04-17 | Filter with novel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212535897U (en) |
-
2020
- 2020-04-17 CN CN202020570489.7U patent/CN212535897U/en active Active
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