CN210521926U - Filter capable of being washed reversely - Google Patents
Filter capable of being washed reversely Download PDFInfo
- Publication number
- CN210521926U CN210521926U CN201921133431.XU CN201921133431U CN210521926U CN 210521926 U CN210521926 U CN 210521926U CN 201921133431 U CN201921133431 U CN 201921133431U CN 210521926 U CN210521926 U CN 210521926U
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- China
- Prior art keywords
- filter screen
- hole
- water inlet
- filter
- water
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a filter capable of back flushing relates to filtration equipment technical field. The filter capable of back flushing comprises a shell, a filter screen, a valve seat, a water inlet cylinder and a connecting inner sleeve, wherein the filter screen, the valve seat and the water inlet cylinder are arranged inside the shell, the water inlet cylinder is arranged on the valve seat, the connecting inner sleeve is used for connecting the filter screen and the water inlet cylinder, the valve seat is provided with a water inlet, a first water outlet and a second water outlet, the water inlet cylinder is provided with a filtering through hole, a back flushing through hole and a raw water through hole, the raw water through hole is communicated with the second water outlet, the connecting inner sleeve is communicated with the back flushing through hole and is used for communicating the inside of the filter screen and the back flushing through hole, the shell is fixedly connected with the water inlet cylinder and is used. The filter can carry out the back flush filter screen, detach the material such as adnexed coarse grain impurity, silt and iron rust on the filter screen, and need not dismantle the filter screen, easy operation is convenient.
Description
Technical Field
The utility model relates to a filtration equipment technical field, specificly relate to a but backflushing filter.
Background
Tap water passes through a plurality of pipelines before reaching each user through a pipe network, and a plurality of impurities such as silt, rust, suspended matters and the like exist in the pipelines, so that water pollution is easily caused if filtering treatment is not carried out, and the health condition of the user is influenced. The filter is a coarse filtering device and is mainly used for filtering coarse particle impurities, silt, rust and the like which are harmful to household water pipes and wading equipment in tap water. The tap water is filtered by the filter, so that large-particle substances such as silt, rust, suspended matters and the like in the tap water can be filtered, the human body is ensured not to be damaged, and a certain protection effect is realized on a tap, an electric appliance and the like.
However, after a period of use of a general filter, the filter element of the general filter can be attached with substances such as coarse particle impurities, silt, rust and the like, which affects the liquid circulation, and causes a decrease in water yield and a blockage of a filter screen on the filter element in a serious case.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned technical problem, provide a but backflush filter.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a filter can backflush, includes the casing, sets up filter screen, disk seat inside the casing, the disk seat is equipped with water inlet, first delivery port, second delivery port, still including the cylinder of intaking that sets up on the disk seat, be used for connecting the filter screen and the endotheca of being connected of the cylinder of intaking, the cylinder of intaking is equipped with and filters through-hole, back flush through-hole and former water through-hole, former water through-hole with second delivery port intercommunication, connect the endotheca with back flush through-hole intercommunication is used for intercommunication filter screen inside and back flush through-hole, the casing with it is used for the rotation to intake the cylinder admits water the cylinder messenger back flush through-hole alternative intercommunication first delivery port or water inlet realize filtering or backflush.
Further, it is equipped with the filter screen mounting groove to connect the endotheca, the filter screen sets up on the filter screen mounting groove.
Furthermore, the open end of the shell is provided with a supporting step, and the supporting step is connected with the water inlet column.
Furthermore, the water inlet column body is provided with a connecting lug, and the supporting step is provided with a connecting groove matched with the connecting lug.
Further, still include sealed the pad, the disk seat is equipped with the seal groove, sealed the pad setting is in on the seal groove, the cylinder that intakes supports and presses on the seal pad.
Further, still include the plane filter screen, the post that intakes is equipped with and protects the opening, the connection endotheca be equipped with protect the connect the through hole of opening intercommunication, the plane filter screen sets up protect the opening with between the connect the through hole.
Furthermore, a limiting block is arranged on the valve seat, and the water inlet column body is provided with a rotary limiting structure matched with the limiting block.
Furthermore, the valve further comprises a locking nut, and the locking nut is arranged on the valve seat and used for connecting the shell and the valve seat to enable the shell to rotate relative to the valve seat.
Further, still include the casing gasket, the casing gasket sets up lock nut with casing hookup location department.
It is right by the foregoing the utility model discloses a description can know, compares with prior art, the utility model provides a but backflushing filter, including casing, setting at inside filter screen of casing, disk seat, the cylinder of intaking of setting on the disk seat, be used for connecting the filter screen and the cylinder of intaking be connected the endotheca, the disk seat is equipped with water inlet, first delivery port, second delivery port, the cylinder of intaking is equipped with and filters through-hole, back flush through-hole and raw water through-hole, the raw water through-hole with second delivery port intercommunication, connect the endotheca with back flush through-hole intercommunication is used for communicateing the inside and back flush through-hole of filter screen, the casing with the cylinder of intaking is connected admittedly and is used for the rotation the cylinder of intaking makes back flush through-hole alternative intercommunication first delivery port or water inlet realizes filtering or backfl. The filter can carry out the back flush filter screen, detach the material such as adnexed coarse grain impurity, silt and iron rust on the filter screen, and need not dismantle the filter screen, easy operation is convenient.
Drawings
FIG. 1 is an exploded view of the back-flushable filter of the present invention;
FIG. 2 is a schematic view of the filter status of the back-flushable filter of the present invention;
FIG. 3 is a schematic view of the back-flushing state of the back-flushable filter of the present invention;
FIG. 4 is a schematic view of the backflushable filter valve seat of the present invention;
FIG. 5 and FIG. 6 are schematic views of the filter inlet column with reverse flushing function of the present invention;
fig. 7 and 8 are schematic views of the connecting inner sleeve of the filter capable of back flushing according to the present invention;
fig. 9 is a schematic view of the filter housing of the present invention that can be backwashed.
Detailed Description
The technical solution 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 efforts shall belong to the protection scope of the present invention.
It is noted that the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1-9, a filter capable of back flushing comprises a housing 1, a filter screen 2 disposed inside the housing 1, a valve seat 3, a water inlet cylinder 4 disposed on the valve seat 3, an inner connecting sleeve 5 for connecting the filter screen 2 and the water inlet cylinder 4, a sealing gasket 6, a planar filter screen 7, a locking nut 8, and a housing gasket 9, wherein the valve seat 3 is provided with a water inlet 31, a first water outlet 32, and a second water outlet 33, the water inlet cylinder 4 is provided with a filter through hole 41, a back flush through hole 42, and a raw water through hole 43, the raw water through hole 43 is communicated with the second water outlet 33, the inner connecting sleeve 5 is communicated with the back flush through hole 42 for communicating the inside of the filter screen 2 with the back flush through hole 42, the housing 1 is fixedly connected with the water inlet cylinder 4 for rotating the water inlet cylinder 4 to enable the back flush through hole 42 to be communicated with the, realize filtering or the backwash filter screen, sealed 6 settings of filling up the cylinder 4 with between the disk seat 3, lock nut 8 sets up be used for connecting on the disk seat 3 casing 1 with the disk seat 3 makes the casing can be relative the central line of disk seat 3 rotates, casing gasket 9 sets up lock nut 8 with 1 hookup location department of casing is used for with casing 1 with 8 hookup location department of lock nut seals, prevents that water from following lock nut 8 with 1 hookup location department of casing flows.
The connecting inner sleeve 5 is provided with a filter screen mounting groove 51, and the filter screen 2 is arranged on the filter screen mounting groove 51. The connecting inner sleeve 5 is provided with a supporting column 53, the supporting column 53 is connected with the water inlet cylinder 4, and a water passing gap 54 is reserved between the water inlet cylinder 4 and the connecting inner sleeve 5. The open end of the shell 1 is provided with a supporting step 11, and the supporting step 11 is connected with the water inlet column body 4.
The water inlet column body 4 is provided with a connecting lug 44, and the supporting step 11 is provided with a connecting groove 12 matched with the connecting lug 44. The water inlet cylinder 4 is provided with a circulation-keeping hole 45, the connecting inner sleeve 5 is provided with a connecting through hole 52 communicated with the circulation-keeping hole 45, and the plane filter screen 7 is arranged between the circulation-keeping hole 45 and the connecting through hole 52. Be equipped with stopper 35 on the disk seat 3, the cylinder 4 of intaking be equipped with stopper 35 matched with rotatory limit structure 46, two extreme positions of rotatory limit structure 46 correspond the rotatory position of casing 1 when filtering and back flush respectively, make the cylinder 4 of intaking first delivery port 32 of back flush through-hole 42 intercommunication or water inlet 31, realize filtering or back flush filter screen 2.
The valve seat 3 is provided with a sealing groove 34, the sealing gasket 6 is arranged on the sealing groove 34, the water inlet cylinder 4 is in contact with the sealing gasket 6 to prevent the water inlet cylinder 4 from being mixed with water and raw water after filtering due to the gap between the valve seat.
The working steps of the back-flushable filter are as follows: when the filter is used for filtering, the shell 1 is rotated to enable the filtering through holes 41 to be communicated with the water inlet 31, water enters the inside of the filter screen 2 from the outside of the filter screen 2 for filtering, and then flows out of the first water outlet 32 through the back washing through holes 42; when the filter is backwashed, the shell 1 is rotated to enable the backwashing through holes 42 to be communicated with the water inlet 31, and water enters the outside of the filter screen 2 from the inside of the filter screen 2 to backwash the filter screen 2 and then flows out of the second water outlet 33 through the raw water through holes 43; when the raw water of the filter is discharged, the housing 1 is rotated to communicate the filter through hole 41 with the water inlet 31, and the filter through hole 41 communicates with the raw water through hole 43 to allow the water to flow out from the second water outlet 33 through the raw water through hole 43.
Specifically, when the filter is used for filtering, the shell 1 is rotated, the shell 1 drives the water inlet cylinder 4 to rotate, so that the filtering through hole 41 is communicated with the water inlet 31, water enters the outside of the filter screen 2, and at the moment, the water enters the inside of the filter screen 2 from the outside of the filter screen 2 for filtering and then flows out of the first water outlet 32 through the back washing through hole 42; when the filter is reversely flushed, the shell 1 is rotated, the shell 1 drives the water inlet cylinder 4 to rotate, so that the backwashing through holes 42 are communicated with the water inlet 31, water enters the inside of the filter screen 2 from the backwashing through holes 42, enters the outside of the filter screen 2 from the inside of the filter screen 2 to reversely flush the filter screen 2, and then flows out of the second water outlet 33 through the raw water through holes 43; when the filter does not filter, the shell 1 is rotated, the shell 1 drives the water inlet cylinder 4 to rotate, so that the filter through hole 41 is communicated with the water inlet 31, and water flows out from the second water outlet 33 through the raw water through hole 43.
The aforesaid is only a plurality of concrete implementation manners of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (9)
1. The utility model provides a but backflush filter, includes the casing, sets up filter screen, the disk seat in the casing is inside, its characterized in that: the valve seat is provided with a water inlet, a first water outlet and a second water outlet, and further comprises a water inlet cylinder arranged on the valve seat and a connecting inner sleeve used for connecting the filter screen and the water inlet cylinder, wherein the water inlet cylinder is provided with a filtering through hole, a backwashing through hole and a raw water through hole, the raw water through hole is communicated with the second water outlet, the connecting inner sleeve is communicated with the backwashing through hole and used for communicating the inside of the filter screen and the backwashing through hole, the shell is fixedly connected with the water inlet cylinder and used for rotating the water inlet cylinder to enable the backwashing through hole to be selectively communicated with the first water outlet or the water inlet, and the filter screen is filtered or reversely.
2. The backflushable filter of claim 1, wherein: the connection inner cover is provided with a filter screen mounting groove, and the filter screen is arranged on the filter screen mounting groove.
3. The backflushable filter of claim 1, wherein: the casing open end is equipped with the support step, support the step with it connects to intake the post.
4. A backflushable filter according to claim 3, wherein: the water inlet column body is provided with a connecting lug, and the supporting step is provided with a connecting groove matched with the connecting lug.
5. The backflushable filter of claim 1, wherein: still including sealed the pad, the disk seat is equipped with the seal groove, sealed the pad setting is in on the seal groove, the cylinder that intakes supports and presses on the seal pad.
6. The backflushable filter of claim 1, wherein: still include the plane filter screen, it is equipped with the fender opening to intake the post body, connect the endotheca be equipped with the connect the via hole of fender opening intercommunication, the plane filter screen sets up protect the opening with between the connect the via hole.
7. The backflushable filter of claim 1, wherein: the water inlet column is provided with a rotation limiting structure matched with the limiting block.
8. The backflushable filter of claim 1, wherein: the locking nut is arranged on the valve seat and used for connecting the shell and the valve seat to enable the shell to rotate relative to the central line of the valve seat.
9. The backflushable filter of claim 8, wherein: the shell gasket is arranged at the connecting position of the locking nut and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921133431.XU CN210521926U (en) | 2019-07-18 | 2019-07-18 | Filter capable of being washed reversely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921133431.XU CN210521926U (en) | 2019-07-18 | 2019-07-18 | Filter capable of being washed reversely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210521926U true CN210521926U (en) | 2020-05-15 |
Family
ID=70598325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921133431.XU Withdrawn - After Issue CN210521926U (en) | 2019-07-18 | 2019-07-18 | Filter capable of being washed reversely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210521926U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433547A (en) * | 2019-07-18 | 2019-11-12 | 厦门润创远工贸有限公司 | One kind can back flush filter and its control method |
| CN116428223A (en) * | 2023-05-06 | 2023-07-14 | 江苏盐邦泵业制造有限公司 | Pump body with water inlet function |
-
2019
- 2019-07-18 CN CN201921133431.XU patent/CN210521926U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433547A (en) * | 2019-07-18 | 2019-11-12 | 厦门润创远工贸有限公司 | One kind can back flush filter and its control method |
| CN110433547B (en) * | 2019-07-18 | 2023-09-01 | 厦门润创远工贸有限公司 | Filter capable of being backwashed and control method thereof |
| CN116428223A (en) * | 2023-05-06 | 2023-07-14 | 江苏盐邦泵业制造有限公司 | Pump body with water inlet function |
| CN116428223B (en) * | 2023-05-06 | 2024-03-22 | 江苏盐邦泵业制造有限公司 | Pump body with water inlet function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200515 Effective date of abandoning: 20230901 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200515 Effective date of abandoning: 20230901 |