CN206342970U - A kind of filter with filter screen protection structure - Google Patents
A kind of filter with filter screen protection structure Download PDFInfo
- Publication number
- CN206342970U CN206342970U CN201621393447.0U CN201621393447U CN206342970U CN 206342970 U CN206342970 U CN 206342970U CN 201621393447 U CN201621393447 U CN 201621393447U CN 206342970 U CN206342970 U CN 206342970U
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- China
- Prior art keywords
- filter screen
- bonnet
- filter
- plane
- valve body
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Abstract
The utility model is related to a kind of filter with filter screen protection structure, belongs to valve means technical field.Including valve body, bonnet and filter screen, described valve body side sets cavity, and bonnet is arranged at the top of cavity, and filter screen is arranged between bonnet and cavity, and bonnet sets internal channel towards the side of filter screen, for housing stator；Filter screen bottom sets pressure regulation piece, and valve body is provided with inclined-plane with the position that pressure regulation piece is contacted, and the pressure regulation piece position relative with the inclined-plane sets backstop inclined-plane；The cooperation on pressure regulation piece backstop inclined-plane and valve body inclined-plane, realizes the purpose of the automatic alignment of pressure regulation piece and fixation.Utility model is applied to the connection and installation of filtering pipe fitting etc., there is good airproof performance, easy to loading and unloading, good antiscale property.
Description
Technical field
The utility model is related to a kind of filter with filter screen protection structure, belongs to valve means technical field.
Background technology
Filter is a part common during pipe fitting is assembled.Existing filter（Such as Publication No. CN 203154946
U patent）, with reference to Fig. 1, its valve body is provided with valve import, valve outlet, and valve body-side is provided with and communicated with valve import, valve outlet inner chamber
Cavity, a filter screen is arranged in cavity as filter element, cavity is externally provided with bonnet, filter screen with to be adapted with cavity side
Tubular structure, cylindrical filter screen one end is engaged with bonnet, and the other end is engaged with the stop edge set by corresponding position in cavity.
Filter with said structure is in installation and in use, its filter screen connects with valve body, filter screen and bonnet directly compression
Touch, product, which exists, installs the problem of torsion is excessive；And when installation torsion is excessive, the problem of filter screen ruptures just occurs, filter screen
Once rupture, will make the filtration inefficiencies of whole product, there is higher maintenance cost；Meanwhile, the laminating of filter screen upper and lower surface is not tight
It is close, the problem of contaminant filter has leakage；And fouling adhesion dismounts difficult ask respectively with valve body and bonnet respectively for filter screen top and bottom
Topic.
Based on this, the application is made.
Utility model content
For the drawbacks described above present in existing filter, the application provides a kind of good airproof performance, installing/dismounting safety, nothing
The filter with filter screen protection structure of fouling adhesion.
To achieve the above object, the technical scheme that the application takes is as follows：
A kind of filter with filter screen protection structure, including valve body, bonnet and filter screen, described valve body side set logical
Chamber, bonnet is arranged at the top of cavity, and filter screen is arranged between bonnet and cavity, and bonnet sets septal fossula towards the side of filter screen
Groove, for housing stator；Filter screen bottom sets pressure regulation piece, and valve body is provided with inclined-plane, pressure regulation piece with the position that pressure regulation piece is contacted
The position relative with the inclined-plane sets backstop inclined-plane；The cooperation on pressure regulation piece backstop inclined-plane and valve body inclined-plane, realizes that pressure regulation piece is automatic
Alignment and the purpose of fixation.
Further, as preferred：
Described bonnet lateral surface, which is set, sets sealing gasket in outer channel, outer channel.It is furthermore preferred that described outer channel edge
Bonnet side wall it is longitudinally disposed（That is direction from top to bottom）.
Described filter screen medial surface is that pyramidal structure, i.e. filter screen lateral surface are cylindrical structural, and medial surface is then passed for internal diameter
The pyramidal structure subtracted.
Described internal channel is laterally set（That is direction from left to right）, and the formation ring seal structure on bonnet inwall.
In the application, valve body sets internal channel towards the side of filter screen, and sets stator in the internal channel, so that real
The contact position of existing bonnet and filter screen sets sealing structure, when solving product and installing, the problem of filter screen excessive clamping force；And
Valve body sets inclined-plane with filter screen junction, and fixes and seal by pressure regulation piece therebetween, then leads between valve body and filter screen
Toning tabletting is connected, and pressure regulation piece form respectively soft sealing structure with stator above and below filter screen, it is ensured that the sealing problem of filter screen,
And the problem of solve excessive to filter screen extruding force when installation is safeguarded.Bonnet is not contacted directly with filter screen, valve body with filter screen,
Avoid filter screen and valve body, the fouling adhesion problems of bonnet.
Therefore, the upper bottom support surface of the filter screen of this product is set sets stator and pressure regulation piece as sealing and fixes respectively
Structure, manufacture, assembling are simple, and cost is low；Install quick, and be easy to the maintenance and replacing of filter screen.Meanwhile, stator and pressure regulation piece
Also act as upper-lower seal left and right can, sealing reliability is higher, and the adaptability to operating mode is stronger, and solves fouling filter screen
The problem of being difficult to remove with valve body bonding, later maintenance is easy to clean.
Brief description of the drawings
Fig. 1 is the structural representation of conventional filters；
Fig. 2 is the profile of the application；
Fig. 3 is the cross-sectional view of valve body in the application；
Fig. 4 is the cross-sectional view of bonnet in the application；
Fig. 5 is the schematic cross-section of filter screen in the application.
Wherein label：1. valve body；11. inclined-plane；12. cavity；2. pressure regulation piece；3. filter screen；4. sealing gasket；5. it is solid
Stator；6. bonnet；61. internal channel；62. outer channel.
Embodiment
Embodiment 1
A kind of filter with filter screen protection structure of the present embodiment, with reference to Fig. 2, by valve body 1, pressure regulation piece 2, filter screen 3, sealing
Pad 4, stator 5 and bonnet 6 are constituted, and the side of valve body 1 sets cavity 12, and bonnet 6 is arranged on the top of cavity 12, bonnet 6 and valve body 1
Between for threaded connection；Filter screen 3 is arranged between bonnet 6 and cavity 12, and bonnet 6 sets internal channel towards the side of filter screen 3
61, internal channel is laterally set（That is direction from left to right in Fig. 1）, and formation ring seal structure, stator on the inwall of bonnet 6
5 insert in the internal channel 61；With reference to Fig. 3, the lower section of filter screen 3 sets pressure regulation piece 2, and the position that valve body 1 is contacted with pressure regulation piece 2 is provided with
Inclined-plane 11, the position relative with the inclined-plane 11 of pressure regulation piece 2 sets backstop inclined-plane；The backstop inclined-plane of pressure regulation piece 2 and the inclined-plane of valve body 1
11 cooperate, and realize the purpose of the automatic alignment of pressure regulation piece 2 and fixation.
It is put into after stator 5, when the lower surface of filter screen 3 is in contact with pressure regulation piece 2, adjusts in internal channel 61 on bonnet 6
The stop inclined-plane of tabletting 2 is engaged with the inclined-plane 11 of valve body 1, the cooperation of pressure regulation piece 2 and inclined-plane 11, makes the stop inclined-plane in compression
During, with automatic capturing center, while the function of the compacted position of pressure regulation piece 2 is fixed automatically, so as to be held in compaction process
The resistance received is smaller, and when bonnet 6 and valve body 1 are fitted completely to be installed in place, stop dog position is fixed automatically.
In use, because filter screen 3 is excessive to the reaction force of bonnet 6, that causes is wrenched the problem of torsion is excessive.
And the application sets internal channel 61 in the one side of bonnet 6 towards filter screen 3, the stator 5 that the inner ring of internal channel 61 is set is in the quilt of filter screen 3
Function is automatically compensated for during compression, so as to reduce the damage that torsion is caused to filter screen 3, makes the stress of filter screen 3 smaller, and not
Easily it is crushed.
In the application, filter screen 3 is directly connected with bonnet 6 with stator 5, is connected between filter screen 3 and valve body 1 by pressure regulation piece 2
Connect, filter screen 3 is not contacted directly with bonnet 6, filter screen 3 with valve body 1, so as to avoid the generation of fouling adhesion phenomenon, dismount
More facilitate.
Embodiment 2
Setting and operation principle of the present embodiment with embodiment 1 are identical, and difference is：With reference to Fig. 2 and Fig. 4, the outside of bonnet 6
Face sets outer channel 62, and outer channel 62 is along the longitudinally disposed of the side wall of bonnet 6（That is direction from top to bottom in Fig. 4）, outer channel 62
Interior setting sealing gasket 4, to be threadedly coupled between bonnet 6 and valve body 1, to ensure sealing, sets in bonnet 6 with the junction of valve body 1
Outer channel 62 is put, and sealing gasket 4 is set in the outer channel 62, the sealing installed has been effectively ensured, it is to avoid Seepage.
Embodiment 3
Setting and operation principle of the present embodiment with embodiment 1 are identical, and difference is：With reference to Fig. 2 and Fig. 5, the excessively stream of filter screen 3
In impurity, the present embodiment, the side of filter screen 3 is that pyramidal structure, the i.e. lateral surface of filter screen 3 are cylindrical structural；Medial surface is then internal diameter
The pyramidal structure successively decreased, facilitates filter screen 3 to be fixed with the boss on valve body 1.
Above content is that the preferred embodiment for combining the utility model creation enters one to what provided technical scheme was made
Step is described in detail, it is impossible to assert that the utility model creates specific implementation and is confined to these above-mentioned explanations, for the utility model
For creating person of an ordinary skill in the technical field, do not departing from the premise of the utility model creates design, can be with
Some simple deduction or replace are made, the protection domain of the utility model creation should be all considered as belonging to.
Claims (6)
1. a kind of filter with filter screen protection structure, it is characterised in that：Including valve body, bonnet and filter screen, described valve body-side
Side sets cavity, and bonnet is arranged at the top of cavity, and filter screen is arranged between bonnet and cavity, and the side of bonnet towards filter screen is set
Internal channel is put, for housing stator；Filter screen bottom sets pressure regulation piece, and the position that valve body is contacted with pressure regulation piece is provided with inclined-plane,
The pressure regulation piece position relative with the inclined-plane sets backstop inclined-plane；The cooperation on pressure regulation piece backstop inclined-plane and valve body inclined-plane.
2. a kind of filter with filter screen protection structure as claimed in claim 1, it is characterised in that：Described bonnet lateral surface
Set and sealing gasket is set in outer channel, outer channel.
3. a kind of filter with filter screen protection structure as claimed in claim 2, it is characterised in that：Described outer channel is along valve
Lid side wall it is longitudinally disposed.
4. a kind of filter with filter screen protection structure as claimed in claim 1, it is characterised in that：Described filter screen medial surface
For pyramidal structure.
5. a kind of filter with filter screen protection structure as claimed in claim 4, it is characterised in that：Described filter screen lateral surface
The pyramidal structure then successively decreased for cylindrical structural, medial surface for internal diameter.
6. a kind of filter with filter screen protection structure as claimed in claim 1, it is characterised in that：Described internal channel is horizontal
Set, and the formation ring seal structure on bonnet inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621393447.0U CN206342970U (en) | 2016-12-19 | 2016-12-19 | A kind of filter with filter screen protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621393447.0U CN206342970U (en) | 2016-12-19 | 2016-12-19 | A kind of filter with filter screen protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206342970U true CN206342970U (en) | 2017-07-21 |
Family
ID=59317162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621393447.0U Active CN206342970U (en) | 2016-12-19 | 2016-12-19 | A kind of filter with filter screen protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206342970U (en) |
-
2016
- 2016-12-19 CN CN201621393447.0U patent/CN206342970U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 312000 Zhuji City, Zhejiang province shop Town Industrial Zone Patentee after: Zhejiang deai Intelligent Control Technology Co., Ltd Address before: 312000 Zhuji City, Zhejiang province shop Town Industrial Zone Patentee before: ZHEJIANG DUNAN VALVE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |