CN206965255U - A kind of fore filter - Google Patents
A kind of fore filter Download PDFInfo
- Publication number
- CN206965255U CN206965255U CN201720854489.8U CN201720854489U CN206965255U CN 206965255 U CN206965255 U CN 206965255U CN 201720854489 U CN201720854489 U CN 201720854489U CN 206965255 U CN206965255 U CN 206965255U
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- Prior art keywords
- screen tube
- chamber
- housing
- screen
- wall
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Abstract
A kind of fore filter, chamber including housing, in housing and the water inlet end located at housing upper end both sides, water side, chamber internal frame is provided with screen tube, spacing between screen tube and chamber inner wall be present, screen tube is provided with some equally distributed filter bores, screen tube is coated with one layer of screen pack, and screen pack covers filter bores, and the housing bottom is provided with the sewage draining exit to be connected with chamber；The screen tube upper end runs through housing and is connected with a knob, and screen tube lower end is provided with the blocking head to match with sewage draining exit；The water inlet end is connected by water inlet and chamber, and water side is connected by delivery port and chamber, and the position of water inlet is higher than the position of delivery port；The screen tube external wall of upper portion is provided with some recoil hole flushings being circularly and evenly distributed.Screen tube just can thoroughly be cleaned without screen tube is taken apart, ensure that the cleaning quality and cleaning efficiency of screen tube by fore filter of the present utility model.
Description
Technical field
It the utility model is related to a kind of fore filter.
Background technology
Fore filter can filter silt in running water, iron rust etc. to first of coarse filtration equipment of full room water
Large particulate matter, is generally mounted to the front end of pipeline, and the water inlet end that the water in pipeline first passes through fore filter enters filter
In net cylinder, then eventually flowed out by the filtering of screen tube, current from water side for using, process of the screen tube in filtering
In, the screen pack on screen tube constantly can be in contact with impurity, and if things go on like this, impurity can even cover the filtering of screen tube
Net network interface, current can not big flow outflow screen tube outside, cause with water hydraulic pressure reduce, or even occur screen tube block feelings
Condition, in order to ensure the normal use of screen tube, it is necessary to be cleaned to screen tube, and existing fore filter be then by
Hairbrush is set to be cleaned in screen tube, operation is cumbersome, and swiping for hairbrush can only be carried out to screen tube inwall, can not be brushed
To the screen pack network interface of screen tube, and when the impurity to being brushed out by hairbrush is rinsed, current flow trace is also to be straight
Track is rushed, therefore the scope of washing away of current is at most related to screen tube inwall, can not wash away to the screen pack network interface of screen tube,
And can not cleaning for network interface causes screen tube not cleaned thoroughly, residual impurity is still adhered in screen pack network interface, still
Current flowing can be caused to hinder, influence hydraulic pressure, if being intended to thoroughly be cleaned screen tube, needed screen tube from preposition
Taken apart in filter, but the cleaning way of this screen tube is extremely onerous, not only increases the workload of user of service, more
Cleaning efficiency can be reduced.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of fore filter, and it is without screen tube is removed
Come, just screen tube can thoroughly be cleaned, ensure that the cleaning quality and cleaning efficiency of screen tube.
The technical scheme in the invention for solving the above technical problem is：
The utility model discloses a kind of fore filter, including housing, the chamber in housing and on housing
Water inlet end, the water side of both sides are held, chamber internal frame is provided with screen tube, spacing, screen tube between screen tube and chamber inner wall be present
Some equally distributed filter bores are provided with, screen tube is coated with one layer of screen pack, and screen pack covers filter bores, and it is special
Sign is：The housing bottom is provided with the sewage draining exit to be connected with chamber；The screen tube upper end is run through housing and is connected with
One knob, screen tube lower end are provided with the blocking head to match with sewage draining exit；The water inlet end is connected by water inlet and chamber,
Water side is connected by delivery port and chamber, and the position of water inlet is higher than the position of delivery port；The screen tube external wall of upper portion
Provided with some recoil hole flushings being circularly and evenly distributed, screen tube top upper end be provided with it is some be circularly and evenly distributed and with it
The water hole that portion space connects, the screen tube upper position fit with chamber inner wall, at this chamber inner wall be provided with one with
Backwash the corresponding via hole in hole site；The auxiliary hole site is less than water inlet position and is higher than delivery port position；It is described
Chamber inner wall be provided with one adjacent to delivery port retainer ring, retainer ring do not block delivery port；The screen tube be externally provided with one with
The sealing ring that retainer ring mutually seals.
All it is provided with the retainer ring wall relative with chamber inner wall, on the wall that sealing ring is relative with retainer ring outer wall
One seal groove；The sealing ring to match with it is installed in the seal groove.
The pollution discharge joint to match with it is bolted with the sewage draining exit.
The screen tube upper end is bolted with a connecting portion；The connecting portion is provided with a screw；The knob is provided with one
Groove, bottom portion of groove are provided with the through hole corresponding with screwhole position；One screw is fixed in screw through through hole, and knob passes through spiral shell
Silk is mutually fixed with connecting portion.
The head that blocks is in wide at the top and narrow at the bottom round table-like.
The screen tube lower end is provided with an opening, and opening is outer to be bolted with bottom end cover；The blocking head is on bottom end cover.
The housing is made up of lower house, the upper shell for being bolted in lower house upper end；The lower shell surface is provided with some
Helically equally distributed anti-slip tank.
A limited step to match with sealing ring is provided with the housing, limited step is located above sealing ring.
The beneficial effects of the utility model are：
Compared with prior art, current can be drawn by the hole flushing that recoils using the fore filter of the utility model structure
Be directed in screen tube, screen pack inwall be rinsed, in flushing process, current will not direct current discharge, but constantly savings
In screen tube, so as to form High-Pressure Water, impact is sent to screen pack network interface, the effect of cleaning screen pack network interface is played, in height
While pressing current washing filter screen network interface, High-Pressure Water can rinse by the impurity in screen pack network interface and from screen pack inwall
The impurity to get off is all brought into chamber, is finally discharged from sewage draining exit, is played the effect of thoroughly cleaning screen tube, be ensure that cleaning matter
Amount, and without setting hairbrush in screen tube, reduce cleaning trouble and assembling trouble, the cleaning that this current voluntarily rinse
Mode improves cleaning efficiency to the full extent.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model fore filter.
Embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description：
Referring to Fig. 1, the utility model provide a kind of fore filter, including housing 1, the chamber 2 in housing 1 with
And water inlet end 3 located at the upper end both sides of housing 1, water side 4, the internal frame of chamber 2 are provided with screen tube 5, screen tube 5 and the inwall of chamber 2
Between spacing be present, screen tube 5 is provided with some equally distributed filter bores 501, and screen tube 5 is coated with one layer of screen pack
6, screen pack 6 covers filter bores 501, and the bottom of housing 1 is provided with the sewage draining exit 7 to be connected with chamber 2；The screen tube 5
Upper end runs through housing 1 and is connected with a knob 8, and the lower end of screen tube 5 is provided with the blocking first 9 to match with sewage draining exit 7；It is described enter
Water end (W.E.) 3 is connected by water inlet 10 and chamber 2, and water side 4 is connected by delivery port 11 and chamber 2, the position of water inlet 10
Put the position higher than delivery port 11；The external wall of upper portion of screen tube 5 is provided with some recoil hole flushings 12 being circularly and evenly distributed, filter
The top upper end of net cylinder 5 is provided with some water holes 13 for being circularly and evenly distributed and being connected with its inner space, and screen tube 5 is on this
Portion position fits with the inwall of chamber 2, and inwall of chamber 2 is provided with a via hole corresponding with recoil hole flushing 12 position at this
14；The position of via hole 14 is less than the position of water inlet 10 and is higher than the position of delivery port 11；It is adjacent that the inwall of chamber 2 is provided with one
The retainer ring 15 of nearly delivery port 11, retainer ring 15 do not block delivery port 11；The screen tube 5 is externally provided with one and the phase of retainer ring 15
The sealing ring 16 of sealing.
On the retainer ring 15 wall relative with the inwall of chamber 2, the wall that sealing ring 16 is relative with the outer wall of retainer ring 15
On be all provided with a seal groove 17；The sealing ring 18 to match with it is installed in the seal groove 17.
The pollution discharge joint 19 to match with it is bolted with the sewage draining exit 7.
The upper end of screen tube 5 is bolted with a connecting portion 20；The connecting portion 20 is provided with a screw 21；The knob 8
A groove 22 is provided with, the bottom of groove 22 is provided with the through hole 23 corresponding with the position of screw 21；One screw 24 is fixed through through hole
In in screw 21, knob 8 is fixed by screw 24 and the phase of connecting portion 20.
It is described to block first 9 in wide at the top and narrow at the bottom round table-like.
The lower end of screen tube 5 is provided with an opening 25, and bottom end cover 26 is bolted with outside opening 25；The blocking first 9 is located at down
On end cap 26.
The housing 1 is made up of lower house 101, the upper shell 102 for being bolted in the upper end of lower house 101；The lower house 101
Surface is provided with some helically equally distributed anti-slip tanks 27.
A limited step 28 to match with sealing ring 16 is provided with the housing 1, limited step 28 is located at sealing ring 16
Top.
Application method of the present utility model is as follows：
Fore filter is needed to be normally carried out before use, first passing through water inlet end 3 and fore filter is attached to by water side 4
On pipeline, then screen tube 5 can be moved down by turn knobs 8, blocked sewage draining exit 7 until blocking first 9, now sealing ring 16
Stagger with retainer ring 15, both are no longer sealed, and water side 4 is connected by delivery port 11 and chamber 2, recoil hole flushing 12 and auxiliary
Hole 14 is staggered, and recoil hole flushing 12 is blocked by the inwall of chamber 2, and water hole 13 is moved to and entered higher than the position of water inlet 10 from script
Position of the mouth of a river 10 flush or below water inlet 10.
When fore filter is filtered, the water in pipeline enters from water inlet end 3, and enters chamber by water inlet 10
In room 2, because the top of screen tube 5 and the inwall of chamber 2 fit, therefore current can only be from the water hole of the top upper end of screen tube 5
13 enter in screen tube 5, and as current constantly input, current eventually flow into by filter bores 501 and by screen pack 6
To chamber, once current flow through screen pack 6, the effect of filtering will be played, ensures the cleaning of current, and with sewage draining exit 7
The chock plug 9 that is blocked blocks, and can only constantly be put aside into the filter water in chamber 2, until delivery port 11 is covered, finally from water side 4
Outflow, flow into corresponding pipeline for use.
When fore filter causes a large amount of impurity to be covered on the inwall of screen pack 6 of screen tube 5 by long-term use, then
Secondary turn knobs 8, screen tube 5 is driven to move up by knob 8, now the chock plug 9 that is no longer blocked of sewage draining exit 7 is blocked, and sewage draining exit 7 is in
Opening-wide state, recoil hole flushing 12 it is relative with the position of via hole 14, sealing ring 16 again with the gluing, sealing of retainer ring 15, by delivery port
11 block, so that water side 4 no longer connects with chamber 2, the position of water hole 13 is then higher than the position of water inlet 10, screen tube 5
Top blocks water inlet 10, and current can not be entered in screen tube 5 by water hole 13, and the pipe being connected with water side 4
Water in road recoils to water side 4, in the case where delivery port 11 is blocked, is sequentially passed through into the current in water side 4
Via hole 14, recoil hole flushing 12, are entered finally into screen tube 5, current are constantly in screen tube 5, so as to form high pressure, high pressure
Current are entered in chamber 2 eventually through the network interface of screen pack 6, and the High-Pressure Water in screen tube 5 is being poured in chamber 2
When, constantly the network interface of screen pack 6 can be rinsed, the network interface of screen pack 6 be cleaned up, in High-Pressure Water flow process, together
When impurity on the inwall of screen pack 6 can be washed away, and with flowing, screen tube will be taken out of from the impurity on the inwall of screen pack 6
5, in the situation that delivery port 11 and water inlet 10 are all blocked, current can only be constantly put aside in chamber 2, further improve water
Pressure, improves cleaning performance, is thoroughly cleaned screen tube 5 to the full extent, after the current with impurity enter in chamber 2,
Eventually discharged from sewage draining exit 7, so as to complete to backwash work.
Understand in summary, fore filter of the present utility model can be guided current to filter screen by the hole flushing 12 that recoils
In cylinder 5, the inwall of screen pack 6 is rinsed, in flushing process, current will not direct current discharge, but constantly put aside in filter screen
Cylinder 5, so as to form High-Pressure Water, impact is sent to the network interface of screen pack 6, the effect of the cleaning network interface of screen pack 6 is played, in water under high pressure
While flowing 6 network interface of washing filter screen, High-Pressure Water can rinse by the impurity in the network interface of screen pack 6 and from the inwall of screen pack 6
The impurity to get off is all brought into chamber 2, is finally discharged from sewage draining exit 7, is played the effect of thoroughly cleaning screen tube, be ensure that cleaning
Quality, and without setting hairbrush in screen tube 5, reduce cleaning trouble and assembling trouble, what this current voluntarily rinsed
Cleaning way improves cleaning efficiency to the full extent.
On the wall relative with the inwall of chamber 2 of retainer ring 15, on the wall that sealing ring 16 is relative with the outer wall of retainer ring 15 all
Provided with seal groove 17, the sealing ring 18 to match with it is installed in seal groove 17, the sealing ring 18 in retainer ring 15 can have
Effect improves the sealing between retainer ring 15 and the inwall of chamber 2, and the sealing ring 18 on sealing ring 16 can effectively improve sealing ring
Sealing between 16 and retainer ring 15, so as to prevent water leakage situation, ensure the cleaning performance of screen tube 5.
It is bolted with the pollution discharge joint 19 to match with it at sewage draining exit 7, the presence of pollution discharge joint 19 is more convenient for connecting line,
Sewage is discharged to by external pipeline by actually required position, and the screw connection manner of sewage draining exit 7 and pollution discharge joint 19 can make
Pollution discharge joint 19 carries out fast quick-detach, therefore can be according to the pollution discharge joint 19 of actually required installation different model, to connect phase
Answer the pipeline of size.
The upper end of screen tube 5 is bolted with connecting portion 20, and knob 8 is fixed by screw 24 and the phase of connecting portion 20, thus knob 8 or
The one of appearance damage needs of screen tube 5 are changed, and only need to be changed one of part, be saved maintenance cost,
And connecting portion 20 then plays a part of medium, power caused by screen tube 5 and knob 8 is set directly not act on on each other, can
Screen tube 5 is avoided to be damaged with knob to the full extent, connecting portion 20 is connected by screw connection manner with screen tube 5, therefore
It is easy to the dismounting and change of connecting portion 20, and the presence of groove 22 makes the head of screw 24 be hidden in groove 22, avoids user
Member's palm of the hand in turn knob 8 presses against the situation of screw 24, improves the use feel of knob 8.
It is linear sealing due to blocking first 9 in wide at the top and narrow at the bottom round table-like, therefore blocking between first 9 and sewage draining exit 7, linear sealing
Sealed relative to face, more preferably, even if blocking first 9 or the edge of sewage draining exit 7 wear, blocking first 9 can still pass through sealing
Other unworn positions of itself outer wall seal to sewage draining exit 7.
The lower end of screen tube 5 is provided with opening 25, and bottom end cover 26 is bolted with outside opening 25, blocks first 9 on bottom end cover 26, under
End cap 26 can play the effect of auxiliary cleaning, and user of service can take out screen tube 5, then when maintaining fore filter
Bottom end cover 26 is screwed out, user of service just can be apparent that the inner case of screen tube 5, so as to enter to the inner space of screen tube 5
Row maintenance work.
Housing 1 is made up of lower house 101, the upper shell 102 for being bolted in the upper end of lower house 101,1 this combining structure of housing
Beneficial to the installation of other parts, it is easy to carry out fast quick-detach to housing 1 during maintenance, reduces the workload of staff, and under
The surface of housing 101 is provided with some helically equally distributed anti-slip tanks 27, and the presence of anti-slip tank 27 can improve degree of friction, be beneficial to
User of service holds lower house 101, further improves convenience when housing 1 is dismantled.
The limited step 28 to match with sealing ring 16 is provided with housing 1, limited step 28 is located at the top of sealing ring 16, limit
The presence of position step 28 can clearly give one signal of user of service, make user of service be backwashed to fore filter
When can accurately will recoil hole flushing 12 move to the position corresponding with via hole 14.
Claims (8)
1. a kind of fore filter, including housing, the chamber in housing and the water inlet end located at housing upper end both sides, go out
Water end (W.E.), chamber internal frame are provided with screen tube, spacing between screen tube and chamber inner wall be present, and screen tube is provided with some be uniformly distributed
Filter bores, screen tube is coated with one layer of screen pack, and screen pack covers filter bores, it is characterised in that：The housing bottom
Portion is provided with the sewage draining exit to be connected with chamber；The screen tube upper end runs through housing and is connected with a knob, screen tube lower end
Provided with the blocking head to match with sewage draining exit；The water inlet end is connected by water inlet and chamber, and water side passes through delivery port
Connected with chamber, the position of water inlet is higher than the position of delivery port；The screen tube external wall of upper portion is provided with some circumferentially equal
The recoil hole flushing of even distribution, screen tube top upper end are circularly and evenly distributed and connected with its inner space defeated provided with some
Water hole, the screen tube upper position fit with chamber inner wall, and it is relative with backwash hole site to be provided with one for chamber inner wall at this
The via hole answered；The auxiliary hole site is less than water inlet position and is higher than delivery port position；The chamber inner wall is provided with one
The retainer ring of neighbouring delivery port, retainer ring do not block delivery port；The screen tube be externally provided with one mutually sealed with retainer ring it is close
Seal ring.
A kind of 2. fore filter according to claim 1, it is characterised in that：The retainer ring is relative with chamber inner wall
On wall, a seal groove is all provided with the wall that sealing ring is relative with retainer ring outer wall；It is provided with the seal groove and its phase
The sealing ring of matching.
A kind of 3. fore filter according to claim 1, it is characterised in that：It is bolted with the sewage draining exit and its phase
The pollution discharge joint matched somebody with somebody.
A kind of 4. fore filter according to claim 1, it is characterised in that：The screen tube upper end is bolted with a connection
Portion；The connecting portion is provided with a screw；The knob is provided with a groove, and bottom portion of groove is provided with corresponding with screwhole position
Through hole；One screw is fixed in screw through through hole, and knob is mutually fixed by screw with connecting portion.
A kind of 5. fore filter according to claim 1, it is characterised in that：The blocking head is in round platform wide at the top and narrow at the bottom
Shape.
A kind of 6. fore filter according to claim 1, it is characterised in that：The screen tube lower end is provided with an opening,
Opening is outer to be bolted with bottom end cover；The blocking head is on bottom end cover.
A kind of 7. fore filter according to claim 1, it is characterised in that：The housing by lower house, be bolted in down
The upper shell composition of housing upper end；The lower shell surface is provided with some helically equally distributed anti-slip tanks.
A kind of 8. fore filter according to claim 1, it is characterised in that：One and sealing ring phase are provided with the housing
The limited step of matching, limited step are located above sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720854489.8U CN206965255U (en) | 2017-07-14 | 2017-07-14 | A kind of fore filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720854489.8U CN206965255U (en) | 2017-07-14 | 2017-07-14 | A kind of fore filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206965255U true CN206965255U (en) | 2018-02-06 |
Family
ID=61402251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720854489.8U Active CN206965255U (en) | 2017-07-14 | 2017-07-14 | A kind of fore filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206965255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108837578A (en) * | 2018-06-28 | 2018-11-20 | 李渊 | A kind of inversion type fore filter |
-
2017
- 2017-07-14 CN CN201720854489.8U patent/CN206965255U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108837578A (en) * | 2018-06-28 | 2018-11-20 | 李渊 | A kind of inversion type fore filter |
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