CN211215643U - Internal leakage prevention filter - Google Patents
Internal leakage prevention filter Download PDFInfo
- Publication number
- CN211215643U CN211215643U CN201921643775.5U CN201921643775U CN211215643U CN 211215643 U CN211215643 U CN 211215643U CN 201921643775 U CN201921643775 U CN 201921643775U CN 211215643 U CN211215643 U CN 211215643U
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- filter
- hole
- wall
- leakage prevention
- export
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Abstract
The utility model discloses a prevent interior hourglass filter, including the filter main part, filter main part top external connection has the filter top cap, and is connected with the inlet pipeline in the middle part of filter top cap top, the inside export through-hole of having seted up in filter main part below, and export through-hole top inner wall be the helicitic texture to export through-hole helicitic texture internal connection has the interior hourglass go-between of preventing, it is helicitic texture to prevent interior hourglass go-between outer wall, and prevents interior hourglass go-between top external connection and have the filter core, filter core bottom height is not higher than export through-hole top height. This leak protection filter in can be effectual with filter core and the firm connection of filter main part together, can not increase the gap of junction, the condition of effectively avoiding interior hourglass. This leak filter in preventing filter core bottom is continuous with the helicitic texture inner wall of export through-hole for helicitic texture's leak go-between in preventing of helicitic texture through the outer wall, makes and prevents that leak the go-between and can link to each other with export through-hole inner wall through thread engagement, increases the leakproofness.
Description
Technical Field
The utility model relates to a filter specifically is a leak protection filter in preventing.
Background
The filter is an indispensable device on the medium conveying pipeline, is usually installed at the entrance points of equipment such as relief pressure valve, relief valve, constant water level valve, and the filter comprises barrel, stainless steel filter screen, blowdown part, transmission and electrical control part, and after the filter screen and the filter core of pending material process filter, its impurity is blockked, when needs wash, as long as take out the detachable filter core, pack into again after handling can, consequently, it is very convenient to use the maintenance.
The filter element of the existing filter is generally directly inserted into the positioning through hole, and the filter element is easily abraded in the process of repeatedly replacing the filter element, so that the condition of internal leakage caused by overlarge gap at the joint is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a leak filter in preventing to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
leak filter in preventing, including filter main body, filter main body top external connection has the filter top cap, and is connected with the inlet pipeline in the middle part of filter top cap top, the inside export through-hole of having seted up in filter main body below, and export through-hole top inner wall be the helicitic texture to export through-hole helicitic texture internal connection has the leak go-between in preventing, leak the go-between outer wall in preventing is helicitic texture, and leak go-between top external connection in preventing has the filter core, the filter core bottom height is not higher than export through-hole top height.
As a further aspect of the present invention: the filter core is cylindrical structure, and the filter core top is the hemisphere structure to filter core axis and inlet pipe axis coincidence.
As a further aspect of the present invention: the maximum diameter of the inner leakage prevention connecting ring is not larger than the outer diameter of the filter element, and the inner diameter of the inner leakage prevention connecting ring is equal to the inner diameter of the filter element.
As a further aspect of the present invention: the filter comprises a filter element and is characterized in that a limiting ring is connected to the outer portion of the upper portion of the filter element, supporting rods are connected to the outer portions of two ends of the limiting ring, and a filter body is connected to the outer portions of the supporting rods.
As a further aspect of the present invention: the limiting ring is of a semicircular structure in cross section, and the inner diameter of the limiting ring is equal to the outer diameter of the filter element.
As a further aspect of the present invention: an outlet pipeline is connected to the inner portion below the filter main body, and the inner wall of the outlet pipeline is smoothly connected with the inner wall of the inner leakage prevention connecting ring.
Compared with the prior art, the beneficial effects of the utility model are that: this leak protection filter in can be effectual with filter core and the firm connection of filter main part together, can not increase the gap of junction, the condition of effectively avoiding interior hourglass. This leak filter in preventing filter core bottom links to each other for the helicitic texture inner wall of helicitic texture that leaks go-between and export through-hole in preventing of helicitic texture through the outer wall, and the go-between can link to each other with export through-hole inner wall through thread engagement in making, increases the leakproofness to the condition of leaking in effectively avoiding appearing.
Drawings
FIG. 1 is a schematic view of an internal leakage prevention filter;
FIG. 2 is a schematic cross-sectional view A-A of the anti-endoleak filter of FIG. 1;
fig. 3 is an enlarged view of the filter of fig. 1 at B.
In the figure: 1. inlet pipe 2, filter top cap, 3, spacing ring, 4, filter main part, 5, bracing piece, 6, filter core, 7, outlet pipe, 8, outlet through hole, 9, leak in preventing go-between.
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 creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in the embodiment of the present invention, an inner leakage prevention filter includes a filter main body 4, a filter top cap 2 is connected to the top of the filter main body 4, an inlet pipe 1 is connected to the middle of the top of the filter top cap 2, an outlet through hole 8 is formed in the bottom of the filter main body 4, the inner wall of the outlet through hole 8 is a screw structure, an inner leakage prevention connection ring 9 is connected to the screw structure of the outlet through hole 8, the outer wall of the inner leakage prevention connection ring 9 is a screw structure, a filter element 6 is connected to the top of the inner leakage prevention connection ring 9, the filter element 6 is a cylindrical structure, the top of the filter element 6 is a hemispherical structure, and the axis of the filter element 6 coincides with the axis of the inlet pipe 1, the structure enables liquid flowing into the filter main body 4 through the inlet pipe 1 to directly fall to the top of, the maximum diameter of the inner leakage preventing connecting ring 9 is not more than the outer diameter of the filter element 6, the inner diameter of the inner leakage preventing connecting ring 9 is equal to the inner diameter of the filter element 6, the structure ensures that no step difference is generated between the inner diameter of the inner leakage preventing connecting ring 9 and the outer diameter of the inner leakage preventing connecting ring 9, when the filter element 6 extends into the limiting ring 3, the inner leakage preventing connecting ring 9 can not cause interference, the limiting ring 3 is externally connected above the filter element 6, the outer parts of two ends of the limiting ring 3 are respectively connected with the supporting rods 5, the outer parts of the supporting rods 5 are connected with the filter body 4, the limiting ring 3 can be connected with the filter body 4 through the supporting rods 5, the filter element 6 can be limited in the limiting ring 3, the cross section of the limiting ring 3 is of a semicircular structure, the inner diameter of the limiting ring 3 is equal to the outer diameter of the filter element 6, the structure, liquid can not be retained in 3 tops of spacing ring, 4 below internal connections of filter main part have export pipeline 7, and export pipeline 7 inner wall with prevent interior hourglass go-between 9 inner walls level and smoothly link to each other, this structure makes the interior liquid that leaks in the go-between 9 can be in the same direction as smooth entering export pipeline 7 inside, the condition at backward flow dead angle can not appear, 6 bottom height of filter core are not higher than 8 top height of export through-hole, this structure makes filter core 6 link together with 8 inner walls of export through-hole with the thread structure meshing in the interior hourglass go-between 9 that prevents through the bottom, can effectively improve the leakproofness of junction, thereby the condition of interior hourglass is avoided appearing.
The utility model discloses a theory of operation is: when using this leak filter in preventing, at first need stretch into spacing ring 3 between the bracing piece 5 with filter core 6 from top to bottom and fix a position, then rotatory filter core 6 makes it can drive and prevent that leak go-between 9 is rotatory in, can fix together through the meshing of helicitic texture with 8 inner walls of outlet through-hole in order to prevent leaking go-between 9 outer walls in, then the user can be in the same place filter top cap 2 and filter main part 4 fixed mounting, then can let in filter main part 4 inside with the filtrate through inlet pipe 1, then liquid passes behind the filter core 6 rethread outlet pipe way 7 and is discharged, thereby accomplish a series of work.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. Internal leakage prevention filter, which comprises a filter main body (4) and is characterized in that: the filter comprises a filter body (4), a filter top cover (2) is connected to the outer portion of the top end of the filter body (4), an inlet pipeline (1) is connected to the middle portion of the upper portion of the filter top cover (2), an outlet through hole (8) is formed in the inner portion of the lower portion of the filter body (4), the inner wall of the upper portion of the outlet through hole (8) is of a threaded structure, a connecting ring (9) which is connected with the inner portion of the threaded structure of the outlet through hole (8) is prevented from leaking, the outer wall of the connecting ring (9) which is prevented from leaking is of a threaded structure, a filter element (6) is connected to the outer portion of the top end.
2. The internal leakage prevention filter according to claim 1, wherein: the filter element (6) is of a cylindrical structure, the top of the filter element (6) is of a hemispherical structure, and the axis of the filter element (6) coincides with the axis of the inlet pipeline (1).
3. The internal leakage prevention filter according to claim 2, wherein: the maximum diameter of the inner leakage prevention connecting ring (9) is not more than the outer diameter of the filter element (6), and the inner diameter of the inner leakage prevention connecting ring (9) is equal to the inner diameter of the filter element (6).
4. The internal leakage prevention filter according to claim 3, wherein: the filter is characterized in that a limiting ring (3) is connected to the outer portion of the upper portion of the filter element (6), supporting rods (5) are connected to the outer portions of two ends of the limiting ring (3), and a filter body (4) is connected to the outer portions of the supporting rods (5).
5. The inner-leakage prevention filter according to claim 4, wherein: the cross section of the limiting ring (3) is of a semicircular structure, and the inner diameter of the limiting ring (3) is equal to the outer diameter of the filter element (6).
6. The inner-leakage prevention filter according to claim 5, wherein: an outlet pipeline (7) is connected to the inner part below the filter main body (4), and the inner wall of the outlet pipeline (7) is smoothly connected with the inner wall of the inner leakage prevention connecting ring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921643775.5U CN211215643U (en) | 2019-09-29 | 2019-09-29 | Internal leakage prevention filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921643775.5U CN211215643U (en) | 2019-09-29 | 2019-09-29 | Internal leakage prevention filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211215643U true CN211215643U (en) | 2020-08-11 |
Family
ID=71915357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921643775.5U Active CN211215643U (en) | 2019-09-29 | 2019-09-29 | Internal leakage prevention filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211215643U (en) |
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2019
- 2019-09-29 CN CN201921643775.5U patent/CN211215643U/en active Active
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