CN212491815U - Back flush filter core - Google Patents
Back flush filter core Download PDFInfo
- Publication number
- CN212491815U CN212491815U CN202021099599.6U CN202021099599U CN212491815U CN 212491815 U CN212491815 U CN 212491815U CN 202021099599 U CN202021099599 U CN 202021099599U CN 212491815 U CN212491815 U CN 212491815U
- Authority
- CN
- China
- Prior art keywords
- end cover
- mounting groove
- framework
- filter element
- inner framework
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model relates to the technical field of hydraulic mechanical equipment, in particular to a back washing filter element, wherein the excircle of a connecting plug is provided with a positive thread; the connecting plug is connected with the upper end cover; the bottom of the upper end cover and the top of the lower end cover are respectively provided with an installation groove; an inner framework is arranged between the upper end cover and the lower end cover; the inner framework is arranged in the mounting groove; positioning steps are arranged at two ends of the inner framework; an outer framework is arranged outside the inner framework; the outer framework is arranged in the mounting groove; the inner framework is attached to the inner circular wall of the mounting groove; the outer framework is attached to the outer circular wall of the mounting groove; a filter layer is arranged between the inner framework and the outer framework; the upper end inner framework and the outer framework are connected in the mounting groove through an adhesive process; the inner framework and the outer framework are provided with filter holes; the center of the lower end cover is provided with a through hole, so that the problems that the filter element is easily polluted and the coaxiality of the upper end cover and the lower end cover of the filter element cannot meet the design requirement in the traditional welding process of the backwashing filter element are solved.
Description
Technical Field
The utility model relates to a hydraulic pressure machinery equips technical field, concretely relates to back flush filter core.
Background
For a long time, the backwashing filter element is applied to a hydraulic control system of a coal mine underground hydraulic support taking emulsion as a medium, and is mainly used for filtering the emulsion in the control system, when the emulsion passes through the filter element, impurities (particulate matters) in the emulsion are blocked outside a filter screen of the filter element, and the clean emulsion flows into the control system of the support after passing through the filter screen so as to ensure the normal work of a valve group in the system. The structure, shape, material and function of the backwashing filter element are always in a traditional mode, and the backwashing filter element is formed in a constant mode, namely, the backwashing filter element comprises a lower end cover, an inner framework, an outer framework, a filter layer, a connecting plug, a sealing ring and the like, is cylindrical, is connected with a valve body by threads when the backwashing filter element enters and exits from the outer framework, is welded at the end faces of two ends of the outer framework of the inner framework and the filter layer in a circumferential mode, is machined with a positioning surface in a mechanical machining mode, is welded with the connecting plug and the lower end cover in a circumferential mode after being assembled, is subjected to surface chemical treatment by changing color of welding on the surface of a product due to the appearance requirement of the product, and is finally formed by integral.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a back flush filter core solves back flush filter core traditional welding process and causes the filter core easily and pollute and the filter core upper and lower end cover axiality can not reach the problem of designing requirement.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a backwash filter element comprises a connecting plug, an upper end cover, an inner framework, a filter layer, an outer framework and a lower end cover; the excircle of the connecting plug is provided with a positive thread; the connecting plug is connected with the upper end cover; the bottom of the upper end cover and the top of the lower end cover are respectively provided with an installation groove; an inner framework is arranged between the upper end cover and the lower end cover; the inner framework is arranged in the mounting groove; positioning steps are arranged at two ends of the inner framework; an outer framework is arranged outside the inner framework; the outer framework is arranged in the mounting groove; the inner framework is attached to the inner circular wall of the mounting groove; the outer framework is attached to the outer circular wall of the mounting groove; a filter layer is arranged between the inner framework and the outer framework; the upper end inner framework and the outer framework are connected in the mounting groove through gluing; the inner framework and the outer framework are provided with filter holes; the center of the lower end cover is provided with a through hole.
Furthermore, a boss is arranged at the bottom of the connecting plug; the top of the upper end cover is provided with a mounting groove; the boss is connected with the mounting groove through reverse threads; and the arrangement positions of the lug boss and the groove can be interchanged.
Further, the positioning steps are arranged in an L shape; the positioning step clamps the edge of the mounting groove.
Furthermore, the top of the connecting plug is provided with an installation screw hole.
Further, a sealing ring mounting groove A is formed in the excircle of the upper end cover; and a sealing ring A is arranged in the sealing ring mounting groove A.
Further, a sealing ring mounting groove B is formed in the outer circle of the lower end cover; and the sealing ring mounting groove B is internally provided with a sealing ring mounting groove.
Furthermore, the connecting plug is made of copper; the upper end cover and the lower end cover are made of stainless steel.
Compared with the prior art, the utility model discloses can realize following one of beneficial effect:
1. the excircle of the connecting plug is provided with a positive thread; the connecting plug is connected with the upper end cover; the bottom of the upper end cover and the top of the lower end cover are respectively provided with an installation groove; an inner framework is arranged between the upper end cover and the lower end cover; the inner framework is arranged in the mounting groove; positioning steps are arranged at two ends of the inner framework; an outer framework is arranged outside the inner framework; the outer framework is arranged in the mounting groove; the inner framework is attached to the inner circular wall of the mounting groove; the outer framework is attached to the outer circular wall of the mounting groove; a filter layer is arranged between the inner framework and the outer framework; the upper end inner framework and the outer framework are connected in the mounting groove through gluing; the inner framework and the outer framework are provided with filter holes; the center of the lower end cover is provided with a through hole, so that the inner framework and the outer framework can be installed in the installation grooves formed in the upper end cover and the lower end cover respectively; through adopting sticky technology, with inner frame and exoskeleton together with the filter layer adhesive fixation in the mounting groove, welding produces the spot when having avoided adopting welded mode to connect and pollutes the filter screen, influences the filter effect to welding process need handle the welding on product surface and discolour and carry out surface chemical treatment, has avoided because of utilizing welding process and has caused the filter layer damage, has solved the filter core because of welding the subsequent pollution problem that causes.
2. A boss is arranged at the bottom of the connecting plug; the top of the upper end cover is provided with a mounting groove; the boss is connected with the mounting groove through reverse threads, and the arrangement positions of the boss and the mounting groove can be interchanged, so that the installation can be conveniently realized through the reverse threads arranged between the boss and the mounting groove; and the connecting plug and the filter element main body part can not be separated during disassembly, so that the connecting plug is taken out, and the filter element main body part is left in the mounting hole of the valve body.
3. The positioning steps are arranged in an L shape; the positioning step clamps the edge of the mounting groove, so that the positions of the upper end cover and the lower end cover can be positioned through the L-shaped positioning step, and the coaxiality of the upper end cover and the lower end cover is consistent; the design and installation requirements are met.
4. The top of the connecting plug is provided with an installation screw hole, so that the filter element can be conveniently installed during installation.
5. A sealing ring mounting groove A is formed in the excircle of the upper end cover; a sealing ring A is arranged in the sealing ring mounting groove A, and the sealing performance of the filter element can be improved by arranging a sealing ring on the upper end cover.
6. A sealing ring mounting groove B is formed in the outer circle of the lower end cover; and a sealing ring B is arranged in the sealing ring mounting groove B, so that the sealing performance of the filter element can be improved by arranging a sealing ring on the lower end cover.
7. The connecting plug is made of copper; the upper end cover and the lower end cover are made of stainless steel, so that the durability of the connecting plug, the upper end cover and the lower end cover can be improved, and the corrosion can be prevented.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the connecting plug of the present invention.
Fig. 3 is a schematic view of the inner frame structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A backwash filter element comprises a connecting plug 1, an upper end cover 2, an inner framework 5, a filter layer 6, an outer framework 7 and a lower end cover 9; the excircle of the connecting plug 1 is provided with a positive thread; the connecting plug 1 is connected with the upper end cover 2; the bottom of the upper end cover 2 and the top of the lower end cover 9 are respectively provided with a mounting groove 14; an inner framework 5 is arranged between the upper end cover 2 and the lower end cover 9; the inner framework 5 is arranged in the mounting groove 14; two ends of the inner framework 5 are provided with positioning steps 11; an outer framework 7 is arranged outside the inner framework 5; the outer framework 7 is arranged in the mounting groove 14; the inner framework 5 is attached to the inner circular wall of the mounting groove 14; the outer framework 7 is attached to the outer circular wall of the mounting groove 14; a filter layer 6 is arranged between the inner framework 5 and the outer framework 7; the upper end inner framework 5 and the outer framework 7 are connected in the mounting groove 14 through gluing; the inner framework 5 and the outer framework 7 are provided with filter holes 13; the center of the lower end cover 9 is provided with a through hole 12, so that the installation of the inner framework and the outer framework in the installation grooves respectively arranged on the upper end cover and the lower end cover can be realized; through adopting sticky technology, with inner frame and exoskeleton together with the filter layer adhesive fixation in the mounting groove, welding produces the spot when having avoided adopting welded mode to connect and pollutes the filter screen, influences the filter effect to welding process need handle the welding on product surface and discolour and carry out surface chemical treatment, has avoided because of utilizing welding process and has caused the filter layer damage, has solved the filter core because of welding the subsequent pollution problem that causes.
Example 2
On the basis of the embodiment 1, the bottom of the connecting plug 1 is provided with a boss 15; the top of the upper end cover 2 is provided with a mounting groove 16; the boss 15 is connected with the mounting groove 16 through reverse threads, and the arrangement positions of the boss 15 and the mounting groove 16 can be interchanged; the installation can be conveniently realized through the reversely arranged threads between the boss and the installation groove during the installation; and the connecting plug and the filter element main body part can not be separated during disassembly, so that the connecting plug is taken out, and the filter element main body part is left in the mounting hole of the valve body.
Example 3
On the basis of the embodiment 1, the positioning step 11 is arranged in an L shape; the positioning step 11 clamps the edge of the mounting groove 14, so that the positions of the upper end cover and the lower end cover can be positioned through the L-shaped positioning step, and the coaxiality of the upper end cover and the lower end cover is consistent; the design and installation requirements are met.
Example 4
On the basis of embodiment 1, connecting plug 1 top and being provided with installation screw 17, can realizing easy to assemble when the filter core is installed, can realize passing through the axiality of location pinhole location filter core when the filter core.
Example 5
On the basis of the embodiment 1, a sealing ring installation groove A3 is formed in the outer circle of the upper end cover 2; and a sealing ring A4 is arranged in the sealing ring mounting groove A3, so that the sealing performance of the filter element can be improved by arranging the sealing ring on the upper end cover.
Example 6
On the basis of embodiment 1, a sealing ring installation groove B10 is formed in the outer circle of the lower end cover 9; and a sealing ring B8 is arranged in the sealing ring mounting groove B10, so that the sealing performance of the filter element can be improved by arranging a sealing ring on the lower end cover.
Example 7
On the basis of the embodiment 1, the connecting plug 1 is made of copper; the upper end cover 2 and the lower end cover 9 are made of stainless steel materials, so that the durability of the connecting plug, the upper end cover and the lower end cover can be improved, and the connecting plug, the upper end cover and the lower end cover are prevented from being rusted; and the problem of thread gluing of the connecting threads between the filter element and the valve body caused by different materials is prevented, and the valve body scrapping caused by forced disassembly of the filter element is avoided.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (7)
1. A backwash filter element is characterized in that: comprises a connecting plug (1), an upper end cover (2), an inner framework (5), a filtering layer (6), an outer framework (7) and a lower end cover (9); the excircle of the connecting plug (1) is provided with a positive thread; the connecting plug (1) is connected with the upper end cover (2); the bottom of the upper end cover (2) and the top of the lower end cover (9) are respectively provided with a mounting groove (14); an inner framework (5) is arranged between the upper end cover (2) and the lower end cover (9); the inner framework (5) is arranged in the mounting groove (14); positioning steps (11) are arranged at two ends of the inner framework (5); an outer framework (7) is arranged outside the inner framework (5); the outer framework (7) is arranged in the mounting groove (14); the inner framework (5) is attached to the inner circular wall of the mounting groove (14); the outer framework (7) is attached to the outer circular wall of the mounting groove (14); a filtering layer (6) is arranged between the inner framework (5) and the outer framework (7); the upper end inner framework (5) and the outer framework (7) are connected in the mounting groove (14) through gluing; the inner framework (5) and the outer framework (7) are provided with filter holes (13); the center of the lower end cover (9) is provided with a through hole (12).
2. The backwash filter element as defined in claim 1, wherein: a boss (15) is arranged at the bottom of the connecting plug (1); the top of the upper end cover (2) is provided with a mounting groove (16); the boss (15) is connected with the mounting groove (16) through reverse threads; and the arrangement positions of the lug boss (15) and the mounting groove (16) can be interchanged.
3. The backwash filter element as defined in claim 1, wherein: the positioning step (11) is arranged in an L shape; the positioning step (11) is clamped on the edge of the mounting groove (14).
4. The backwash filter element as defined in claim 1, wherein: the top of the connecting plug (1) is provided with an installation screw hole (17).
5. The backwash filter element as defined in claim 1, wherein: a sealing ring mounting groove A (3) is formed in the outer circle of the upper end cover (2); and a sealing ring A (4) is arranged in the sealing ring mounting groove A (3).
6. The backwash filter element as defined in claim 1, wherein: a sealing ring mounting groove B (10) is formed in the outer circle of the lower end cover (9); and a sealing ring B (8) is arranged in the sealing ring mounting groove B (10).
7. The backwash filter element as defined in claim 1, wherein: the connecting plug (1) is made of copper; the upper end cover (2) and the lower end cover (9) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021099599.6U CN212491815U (en) | 2020-06-15 | 2020-06-15 | Back flush filter core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021099599.6U CN212491815U (en) | 2020-06-15 | 2020-06-15 | Back flush filter core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212491815U true CN212491815U (en) | 2021-02-09 |
Family
ID=74387615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021099599.6U Active CN212491815U (en) | 2020-06-15 | 2020-06-15 | Back flush filter core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212491815U (en) |
-
2020
- 2020-06-15 CN CN202021099599.6U patent/CN212491815U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212491815U (en) | Back flush filter core | |
| CN111569497A (en) | Back flush filter core | |
| CN107854880B (en) | Horizontal type pipeline trash device and sewage recycling system | |
| CN216604251U (en) | Double-layer folding filter element for water treatment | |
| CN210278444U (en) | Back-flushing type filter | |
| CN201470191U (en) | Filtering cartridge of filter | |
| CN210751552U (en) | Filter core for precision filter | |
| CN209575920U (en) | A kind of full-automatic back washing laminated filter core | |
| CN205101070U (en) | Lubricating oil oil return connecting device | |
| CN205435151U (en) | A section of thick bamboo is strained to activity | |
| CN211912977U (en) | Many loose joints spare connection structure and this filter of filter end cover | |
| CN211611798U (en) | Filter material of water treatment filter element | |
| CN212941687U (en) | Cooling water filtering water tank for numerical control machine tool | |
| CN211411268U (en) | Oil liquid filtering filter element | |
| CN211963261U (en) | High-pressure water-based filter | |
| CN213132171U (en) | Large flux precision water filter | |
| CN214809178U (en) | Pipeline filter with spring supporting structure | |
| CN221332993U (en) | Filter element | |
| CN209865483U (en) | Novel high-efficient sealed filter of pipeline | |
| CN202578832U (en) | Detachable oil filter | |
| CN214119226U (en) | Pipeline connecting structure | |
| CN216855799U (en) | Backwashing device of water purifier | |
| CN204601828U (en) | A kind of cylinder clavate filter core | |
| CN209848554U (en) | Special moisture content of SF6 recovery unit filters filter core | |
| CN216923574U (en) | Durable metal PE composite pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |