CN207913332U - A kind of fore filter backwashed - Google Patents
A kind of fore filter backwashed Download PDFInfo
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- CN207913332U CN207913332U CN201820171307.1U CN201820171307U CN207913332U CN 207913332 U CN207913332 U CN 207913332U CN 201820171307 U CN201820171307 U CN 201820171307U CN 207913332 U CN207913332 U CN 207913332U
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Abstract
The utility model provides a kind of fore filter backwashed, belongs to field of mechanical technique.It solves the problems such as existing fore filter installation is inconvenient.Originally the fore filter that can be backwashed, including switching valve and filter assemblies, switching valve includes valve body, the exhalant canal of valve body is coaxially disposed with intake tunnel, the water passage of valve body is vertically arranged with intake tunnel, it is provided with spool in the valve chamber of valve body, filter assemblies include inner and outer tubes, angle joint is connected between switching valve and filter assemblies, articulating joint is connected between angle joint and valve body, channel one and channel two are provided on angle joint, channel one is connected to outer tube and water passage, channel two is connected to inner tube and spool, the horizontal segment in channel two is coaxially disposed with water passage, and spool can be rotated around the axis of two horizontal segment of channel, spool can control intake tunnel and is connected to channel one by valve chamber or be connected to channel two by spool.This fore filter has many advantages, such as easy for installation.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of fore filter backwashed.
Background technology
With advances in technology and improvement of living standard, people have higher requirement to the quality of drinking water, often
One fore filter is set before being located at tap in the duct, and drinking water from tap after fore filter by flowing out energy
Access filtering and purification.
Chinese patent literature discloses a kind of fore filter [application number：201710114897.1 publication number：
106823535A], including reversal valve, scrape component and element kit.Reversal valve includes spool, connecting tube and valve deck, spool packet
Valve body, the first connector and the second connector are included, the first connector and the second connector are oppositely arranged and are individually fixed in valve
The both sides of ontology, valve body are equipped with first import and export, and the first connector is equipped with second import and export, valve body and the first connector it
Between be equipped with the first passage that is communicated respectively with first import and export and second import and export；Connecting tube be equipped with accommodating chamber, respectively with receiving
The first connecting hole, the second connecting hole, third connecting hole and the 4th connecting hole that chamber communicates, the first connecting hole and the second connecting hole phase
To being set to the both ends of connecting tube, third connecting hole and the 4th connecting hole are relatively arranged on the side of connecting tube, and valve body can turn
Dynamic to be set in accommodating chamber, the madial wall sealing of the first connector and the first connecting hole coordinates, the second connector and valve bonnet seal
The free end of cooperation and the second connector is set to outside valve body, the madial wall sealing cooperation of valve deck and the second connecting hole, and will
Spool is installed in connecting tube, and the inner wall of accommodating chamber offers and the spaced through-hole of the first connecting hole.Scraping component includes
Cup body and the rotatable connector being set in cup body, cup body are equipped with the cavity communicated with through-hole, the inner wall of cavity be equipped with it is convex stupefied,
One end of cup body is connect with connecting tube, the other end is additionally provided with the first mounting hole, and connector and the sealing of the first mounting hole coordinate, connection
One end of part is installed on switch valve connector and is equipped with the third channel communicated with cavity.Element kit is set to the cavity of cup body
It is interior.
Due to the phase of the first connecting hole, the second connecting hole, third connecting hole and the 4th connecting hole on connecting tube, that is, valve body
Position is fixed, and the first connecting hole connection cup body must be vertically arranged, the third connection of such connecting pipe water inlet pipe
4th connecting hole of hole and connecting pipe outlet pipe is exactly horizontally disposed, when pipe water pipe and pipeline outlet pipe are vertical
When setting, above-mentioned fore filter, which is installed in pipeline just, to be become to be inconvenient.
Invention content
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, it is proposed that it is a kind of backwash it is preposition
The technical issues of filter, solution is how to make fore filter easy for installation under the premise of not influencing use.
The purpose of this utility model can be realized by following technical proposal：
A kind of fore filter backwashed, including switching valve and filter assemblies, the switching valve includes valve body, described
There is water inlet end, water outlet on valve body and cross water end (W.E.), valve chamber is provided in the valve body, the water inlet end is provided with to be connected with valve chamber
Logical intake tunnel, the water outlet are provided with the exhalant canal being connected to valve chamber, and the water end (W.E.) excessively is provided with to be connected to valve chamber
Water passage, the exhalant canal and intake tunnel be coaxially disposed, and the water passage is vertically arranged with intake tunnel, described
Spool is provided in valve chamber, the filter assemblies include the inner tube for having filtration core, and drainage is provided on the side wall of said inner tube
Hole, said inner tube are arranged with the outer tube with blowdown valve outside, which is characterized in that are connected between the switching valve and filter assemblies
Angle joint is provided with channel one and channel two on the angle joint, and the vertical section in the channel one is connected to outer tube, the channel
Two vertical section is connected to inner tube, and the horizontal segment in the channel one is connected to water passage, and the outer of one horizontal segment of channel with
It crosses water end (W.E.) to connect by articulating joint, the horizontal segment in the channel two is connected to the inner cavity of spool, the horizontal segment in the channel two
It is coaxially disposed with water passage, and spool can be rotated around the axis of two horizontal segment of channel, the spool can control water inlet
Channel is connected to channel one by valve chamber or is connected to channel two by spool, the channel when intake tunnel is connected to channel one
Two are connected to by spool with exhalant canal.
When filtering, rotational valve core makes intake tunnel pass through valve chamber to be connected to channel one, and drinking water is logical from the water inlet of water inlet end
Road enters in channel one, then into outer tube, is then entered in inner tube from the filter hole of inner tube, after filtration core
It is entered in spool by channel two, is finally flowed out from exhalant canal.When drinking water passes through filtration core, the impurity in water is filtered
It is trapped on filtration core, the water flowed out from water outlet is made to keep clean.When backwash, rotational valve core makes intake tunnel pass through spool
It is connected to channel two, the blowdown valve on outer tube is opened, and drinking water enters in spool from the intake tunnel of water inlet end, then passes through
It is flowed into after spool in channel two, enters back into inner tube and filtration core is rinsed, rinse the sewage of generation from blowdown valve
Discharge.Fore filter can be made to switch between filtering or backwash by rotational valve core.
It crosses between the outer of one horizontal segment of water end (W.E.) and channel and is provided with articulating joint, when the water inlet pipe and outlet pipe in pipeline
When being vertically arranged, rotation valve body makes intake tunnel and exhalant canal place vertically；When the water inlet pipe and outlet pipe level in pipeline
When setting, rotation valve body keeps intake tunnel and exhalant canal horizontal positioned.Filter assemblies are motionless, and valve body can be around angle joint
360 ° of rotations of horizontal segment, make fore filter can adapt to the water inlet pipe and outlet pipe of various positions, fore filter are made to install
It is convenient.The horizontal segment in channel two is coaxially disposed with water passage, and spool can be rotated around the axis of two horizontal segment of channel, this
Sample spool during installation can be rotated together with valve body, not interfere with the position relationship of spool and valve body, spool is with valve
Body will not change the working condition of fore filter when rotating, the fore filter after installing is enable accurately to work
The switching of state.This fore filter can be easy for installation under the premise of not influencing use.
In the above-mentioned fore filter backwashed, the angle joint includes rectangular main pipe, the channel
Two be the endoporus of main pipe, and the outer sheath of main pipe's horizontal ends is equipped with horizontal connection cylinder, the inner end of the horizontal connection cylinder
It is fixed with the lateral surface of main pipe's horizontal ends, the outer sheath of main pipe's vertical end is equipped with vertical connecting cylinder, described to connect vertically
The inner end of connect cylinder and the lateral surface of main pipe's vertical end are fixed, the inner end of the horizontal connection cylinder and the inner end phase of vertical connecting cylinder
Connect and formed partition wall, on the partition wall there is through-hole, the outer end of the horizontal connection cylinder to be connect with articulating joint, it is described perpendicular
The outer end of direct-connected connect cylinder is fixedly connected with the upper end of outer tube, and the horizontal ends of the main pipe are connect with seal spool, the supervisor
The vertical end of body is fixedly connected with the upper end of inner tube.
The inner cavity in channel one including horizontal connection cylinder, the inner cavity of through-hole and vertical connecting cylinder.The structure setting side of angle joint
Just the assembling of fore filter.
In the above-mentioned fore filter backwashed, the articulating joint includes connecting tube, and the one of the connecting tube
End was threaded on water end (W.E.), and the other end of the connecting tube is inserted into horizontal connection cylinder and forms sealing, the level
Attachment cap is arranged and is threaded with outside connecting cylinder, is provided with shoulder block on the medial surface of the attachment cap, the connecting tube it is outer
Baffle ring is provided on side, the baffle ring is between shoulder block and the outer end face of horizontal connection cylinder.
When assembling, first connection cap sleeve is sleeved in connecting tube, the threaded one end of connecting tube is then connected to valve body
It crosses on water end (W.E.), then the other end of connecting tube is inserted into horizontal connection cylinder to and is formed sealing, baffle ring sticks on horizontal connection cylinder
Outer end face on, then attachment cap is threadedly coupled on the lateral surface of horizontal connection cylinder, articulating joint is easy to assembly.
In the above-mentioned fore filter backwashed, one end of the connecting tube is inserted into water passage and is formed
It is threadedly coupled, the shoulder block is located at baffle ring and crosses between the end face of water end (W.E.).Make the structure of articulating joint more stable in this way.
In the above-mentioned fore filter backwashed, it is provided with step on the lateral surface of the horizontal connection cylinder, institute
Attachment cap is stated to be resisted against on step.The setting of step can prevent attachment cap overtorquing on horizontal connection cylinder, to influence
To the rotation of valve body, ensures the smooth rotation of valve body, keep fore filter easy for installation.
In the above-mentioned fore filter backwashed, annular is provided on the lateral surface of main pipe's horizontal ends
Slot is fixed with sealing ring in the annular groove, and main pipe's horizontal ends are inserted into spool, and sealing ring sticks in spool
In the cavity wall of chamber.
Sealing ring is fixed on main pipe above and in annular groove, can prevent sealing ring from being sent out during valve core rotation
Raw biasing is stuck to occur, and spool is allow smoothly to rotate, and is conducive to steering and the fore filter work shape of switching valve
The switching of state.
In the above-mentioned fore filter backwashed, aperture, the aperture and water outlet are provided on the water outlet
Channel is connected, and the aperture internal thread is connected with plug.Opening plug can be connected to manograph or thermal detector in aperture,
It is convenient for measuring.
In the above-mentioned fore filter backwashed, sign is provided on the lateral surface of the valve body.Instruction
Mark has indicative function, easy to use.
Compared with prior art, the utility model has the following advantages：
Angle joint is set, transitioning component is connected in the vertical section of angle joint, the water in angle joint is arranged in switching valve
In flat section, and crossing between water end (W.E.) and angle joint for valve body is connected with articulating joint, and valve body and spool can be around the water of angle joint
Flat section circular-rotation makes the water outlet of valve body and water inlet end be adapted to the water inlet pipe and outlet pipe of a variety of positions, makes preposition mistake
Filter is easy for installation, at the same by rotational valve core can make fore filter two kinds of working conditions of normal filtration and backwash it
Between accurately switch, keep fore filter easy for installation under the premise of not influencing use.Angle joint includes main pipe, outside main pipe
It is arranged horizontal connection cylinder and vertical connecting cylinder, keeps angle joint and switching valve and filter assemblies easy to connect.Connecting tube one end with
Water end (W.E.) threaded connection is crossed, the other end of connecting tube, which is inserted into horizontal connection cylinder, forms sealing, and attachment cap is threaded in level
On the lateral surface of connecting cylinder, the baffle ring in connecting tube is located between the shoulder block and the outer end face of horizontal connection cylinder of attachment cap, shoulder block
Positioned at baffle ring and between crossing the end face of water end (W.E.), step is set on the lateral surface of horizontal connection cylinder, keeps articulating joint easy to assembly.
Description of the drawings
Sectional view when Fig. 1 is the filtering of this fore filter；
Fig. 2 is the enlarged drawing at articulating joint in Fig. 1；
Sectional view when Fig. 3 is the backwash of this fore filter；
Fig. 4 is the stereogram of this fore filter.
In figure, 1, switching valve；2, valve body；2a, water inlet end；2a1, intake tunnel；2b, water outlet；2b1, exhalant canal；
2c, water end (W.E.) is crossed；2c1, water passage；2d, valve chamber；2e, plug；2f, sign；3, spool；4, filter assemblies；4a, filtering
Core；4b, inner tube；4c, outer tube；4d, blowdown valve；5, angle joint；5a, channel one；5b, channel two；5c, main pipe；5c1, annular
Slot；5c2, sealing ring；5d, horizontal connection cylinder；5d1, step；5e, vertical connecting cylinder；5f, through-hole；6, articulating joint；6a, connection
Pipe；6a1, baffle ring；6b, attachment cap；6b1, shoulder block.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Embodiment one
As Figure 1-Figure 4, a kind of fore filter backwashed, including switching valve 1 and filter assemblies 4, switching valve 1
It is connected with angle joint 5 between filter assemblies 4, articulating joint 6 is connected between angle joint 5 and switching valve 1.
Switching valve 1 includes valve body 2, has water inlet end 2a, water outlet 2b on valve body 2 and crosses water end (W.E.) 2c, is provided in valve body 2
The spool 3 that can be rotated in valve chamber 2d is provided in valve chamber 2d, valve chamber 2d.Water inlet end 2a be provided be connected to valve chamber 2d into
Aquaporin 2a1, water outlet 2b are provided with the exhalant canal 2b1 being connected to valve chamber 2d, and water end (W.E.) 2c is provided with excessively is connected to valve chamber 2d
Water passage 2c1, exhalant canal 2b1 and intake tunnel 2a1 be coaxially disposed, water passage 2c1 is vertical with intake tunnel 2a1 to be set
It sets.The inner cavity of spool 3 includes the first passage, second channel and third channel for having common connectivity part, first passage and water excessively
Channel 2c1 is coaxially disposed, and the side opposite with the passway of first passage is provided with rotating bar on the lateral surface of spool 3, is turned
Lever is coaxially disposed with first passage, and rotating bar stretches out valve body 2 and is connected with handle.When rotational valve core 3, second on spool 3
Channel can be connected to intake tunnel 2a1 or spool 3 on third channel can be connect with exhalant canal 2b1；When spool 3
On second channel when being connected to intake tunnel 2a1, spool 3 closes exhalant canal 2b1；When on spool 3 third channel with
When exhalant canal 2b1 connections, intake tunnel 2a1 is connected to by valve chamber 2d with water passage 2c1, and intake tunnel 2a1 not with valve
Second channel connection on core 3.Aperture is provided on the 2b of water outlet, aperture is connected with exhalant canal 2b1, the connection of aperture internal thread
There is plug 2e.Sign 2f is provided on the lateral surface of valve body 2.
Filter assemblies 4 include the inner tube 4b for having filtration core 4a, are provided with filtration hole on the side wall of inner tube 4b, outside inner tube 4b
It is arranged with the outer tube 4c with blowdown valve 4d.Inner tube 4b and outer tube 4c are vertically arranged, and blowdown valve 4d is arranged at outer tube 4c
It is connected on end and with inner tube 4b.
Angle joint 5 includes rectangular main pipe 5c, and the endoporus of main pipe 5c is two 5b of channel, the horizontal ends of main pipe 5c
It is tightly connected with the first passage of spool 3, the horizontal segment of two 5b of channel is connected to the first passage of spool 3, and main pipe 5c's is perpendicular
Straight end is fixedly connected with the upper end of inner tube 4b, and the vertical section of two 5b of channel is connected to inner tube 4b.The outside of main pipe's 5c horizontal ends
It is arranged with horizontal connection cylinder 5d, the inner end of horizontal connection cylinder 5d and the lateral surface of main pipe's 5c horizontal ends are fixed.Main pipe 5c is perpendicular
The outer sheath of straight end is equipped with vertical connecting cylinder 5e, and the inner end of vertical connecting cylinder 5e and the lateral surface of main pipe's 5c vertical ends are fixed.
The inner end of horizontal connection cylinder 5d is connected with the inner end of vertical connecting cylinder 5e and forms partition wall, has through-hole 5f on partition wall, leads to
One 5a of road include the inner cavity of horizontal connection cylinder 5d, through-hole 5f and vertical connecting cylinder 5e inner cavity.The outer end of horizontal connection cylinder 5d with
Articulating joint 6 connects, i.e., the outer of one 5a horizontal segments of channel is connect with water end (W.E.) 2c is crossed by articulating joint 6, the water of one 5a of channel
Flat section is connected to water passage 2c1.The outer end of vertical connecting cylinder 5e is fixedly connected with the upper end of outer tube 4c, and one 5a's of channel is vertical
Section is connected to outer tube 4c.It is provided with annular groove 5c1 on the lateral surface of main pipe's 5c horizontal ends, sealing is fixed in annular groove 5c1
5c2 is enclosed, main pipe's 5c horizontal ends are inserted into the first passage of spool 3, and sealing ring 5c2 sticks on 3 first passage of spool
On wall surface.Two 5b horizontal segments of channel are coaxially disposed with water passage 2c1, and spool 3 can be around the axis of two 5b horizontal segments of channel
Line rotates, and spool 3 can control intake tunnel 2a1 and is connected to one 5a of channel by valve chamber 2d or by spool 3 and channel two
5b is connected to, and when intake tunnel 2a1 is connected to one 5a of channel, two 5b of channel is connected to by spool 3 with exhalant canal 2b1.
Articulating joint 6 includes connecting tube 6a, and the threaded one end of connecting tube 6a was connected on water end (W.E.) 2c, and connecting tube 6a's is another
One end is inserted into horizontal connection cylinder 5d and forms sealing, and the lateral surface of horizontal connection cylinder 5d is threaded with attachment cap 6b, even
It connects and is provided with annular shoulder block 6b1 on the medial surface of cap 6b, annular baffle ring 6a1, baffle ring 6a1 are provided on the lateral surface of connecting tube 6a
Between shoulder block 6b1 and the outer end face of horizontal connection cylinder 5d.Step 5d1 is provided on the lateral surface of horizontal connection cylinder 5d, even
Cap 6b is met to be resisted against on step 5d1.One end of connecting tube 6a is inserted into water passage 2c1 and forms threaded connection, keeps off
Shoulder 6b1 is located at baffle ring 6a1 and crosses between the end face of water end (W.E.) 2c.One end of connecting tube 6a can also be set in outside water end (W.E.) 2c and shape
At threaded connection, shoulder block 6b1 was set in outside water end (W.E.) 2c and connecting tube 6a.
As shown in Figure 1, when filtering, rotational valve core 3 makes intake tunnel 2a1 pass through valve chamber 2d to be connected to one 5a of channel, spool 3
In third channel be connected to exhalant canal 2b1, drinking water is entered from the intake tunnel 2a1 of water inlet end 2a in one 5a of channel,
It then into outer tube 4c, is then entered in inner tube 4b from the filter hole of inner tube 4b, passes through channel after filtration core 4a
Two 5b are entered in spool 3, are finally flowed out from exhalant canal 2b1.When drinking water passes through filtration core 4a, the impurity in water is filtered
It is trapped on filtration core 4a, the water flowed out from water outlet 2b is made to keep clean.
As shown in figure 3, when backwash, rotational valve core 3 makes intake tunnel 2a1 and the second channel of spool 3 be connected to, spool 3
Exhalant canal 2b1 is closed, intake tunnel 2a1 is connected to by spool 3 with two 5b of channel, and the blowdown valve 4d on outer tube 4c is opened,
Drinking water is entered from the intake tunnel 2a1 of water inlet end 2a in spool 3, then by being flowed into after spool 3 in two 5b of channel, then
It enters in inner tube 4b and filtration core 4a is rinsed, the sewage for rinsing generation is discharged from blowdown valve 4d.Just by rotational valve core 3
Fore filter can be made to be switched between normal filtration and backwash.
Be arranged articulating joint 6, when in pipeline water inlet pipe and outlet pipe be vertically arranged when, rotation valve body 2 make intake tunnel
2a1 and exhalant canal 2b1 are placed vertically；When the water inlet pipe and horizontally disposed outlet pipe in pipeline, rotation valve body 2 makes logical into water
Road 2a1 and exhalant canal 2b1 is horizontal positioned；Filter assemblies 4 are motionless, and valve body 2 can turn around 360 ° of the horizontal segment of angle joint 5
It is dynamic, so that fore filter is can adapt to the water inlet pipe and outlet pipe of various positions, keeps fore filter easy for installation.3 energy of spool
Enough axis around two 5b horizontal segments of channel rotate, and spool 3 can be rotated together with valve body 2 during installation in this way, no
The position relationship of spool 3 and valve body 2 can be influenced, spool 3 rotates the working condition that will not change fore filter, makes after installing
Fore filter can accurately carry out the switching of working condition.This fore filter can be under the premise of not influencing use
It is easy for installation.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (8)
1. a kind of fore filter backwashed, including switching valve (1) and filter assemblies (4), the switching valve (1) includes valve
Body (2) has water inlet end (2a), water outlet (2b) on the valve body (2) and crosses water end (W.E.) (2c), and the valve body (2) is interior to be provided with
Valve chamber (2d), the water inlet end (2a) are provided with the intake tunnel (2a1) being connected to valve chamber (2d), water outlet (2b) setting
There are the exhalant canal (2b1) being connected to valve chamber (2d), the water end (W.E.) (2c) of crossing to be provided with the water passage being connected to valve chamber (2d)
(2c1), the exhalant canal (2b1) are coaxially disposed with intake tunnel (2a1), the water passage (2c1) and intake tunnel
(2a1) is vertically arranged, and spool (3) is provided in the valve chamber (2d), and the filter assemblies (4) include having filtration core (4a)
Inner tube (4b) is provided with filtration hole on the side wall of said inner tube (4b), is arranged with blowdown valve (4d) outside said inner tube (4b)
Outer tube (4c), which is characterized in that be connected with angle joint (5), the corner connection between the switching valve (1) and filter assemblies (4)
It is provided with channel one (5a) and channel two (5b) on head (5), the vertical section of the channel one (5a) is connected to outer tube (4c), described
The vertical section in channel two (5b) is connected to inner tube (4b), and the horizontal segment of the channel one (5a) is connected to water passage (2c1), and
The outer of channel one (5a) horizontal segment is connect with water end (W.E.) (2c) is crossed by articulating joint (6), the horizontal segment of the channel two (5b)
It is connected to the inner cavity of spool (3), horizontal segment and the water passage (2c1) of the channel two (5b) are coaxially disposed, and spool (3) energy
Enough axis around channel two (5b) horizontal segment rotate, and the spool (3) can control intake tunnel (2a1) and pass through valve chamber (2d)
It is connected to channel one (5a) or is connected to channel two (5b) by spool (3), when intake tunnel (2a1) and channel one (5a) connect
Channel two (5b) is connected to by spool (3) with exhalant canal (2b1) when logical.
2. the fore filter according to claim 1 backwashed, which is characterized in that the angle joint (5) includes being in
The main pipe (5c) at right angle, the channel two (5b) are the endoporus of main pipe (5c), the outside of main pipe (5c) horizontal ends
It is arranged with horizontal connection cylinder (5d), the inner end of the horizontal connection cylinder (5d) and the lateral surface of main pipe (5c) horizontal ends are fixed,
The outer sheath of main pipe (5c) vertical end is equipped with vertical connecting cylinder (5e), the inner end of the vertical connecting cylinder (5e) and supervisor
The lateral surface of body (5c) vertical end is fixed, and the inner end of the horizontal connection cylinder (5d) is connected simultaneously with the inner end of vertical connecting cylinder (5e)
Partition wall is formed, there is through-hole (5f), outer end and the articulating joint (6) of the horizontal connection cylinder (5d) to connect on the partition wall
Connect, the outer end of the vertical connecting cylinder (5e) is fixedly connected with the upper end of outer tube (4c), the horizontal ends of the main pipe (5c) with
Spool (3) is tightly connected, and the vertical end of the main pipe (5c) is fixedly connected with the upper end of inner tube (4b).
3. the fore filter according to claim 2 backwashed, which is characterized in that the articulating joint (6) includes
The threaded one end of connecting tube (6a), the connecting tube (6a) was connected on water end (W.E.) (2c), the other end of the connecting tube (6a)
It is inserted into horizontal connection cylinder (5d) and is formed sealing, is arranged outside the horizontal connection cylinder (5d) and is threaded with attachment cap
(6b) is provided with shoulder block (6b1) on the medial surface of the attachment cap (6b), gear is provided on the lateral surface of the connecting tube (6a)
Ring (6a1), the baffle ring (6a1) are located between shoulder block (6b1) and the outer end face of horizontal connection cylinder (5d).
4. the fore filter according to claim 3 backwashed, which is characterized in that one end of the connecting tube (6a)
It is inserted into water passage (2c1) and is formed threaded connection, the shoulder block (6b1) is located at baffle ring (6a1) and crosses water end (W.E.) (2c)
Between end face.
5. the fore filter according to claim 4 backwashed, which is characterized in that the horizontal connection cylinder (5d)
Step (5d1) is provided on lateral surface, the attachment cap (6b) is resisted against on step (5d1).
6. according to any fore filters backwashed of claim 2-5, which is characterized in that the main pipe (5c)
It is provided with annular groove (5c1) on the lateral surface of horizontal ends, sealing ring (5c2), the supervisor are fixed in the annular groove (5c1)
Body (5c) horizontal ends are inserted into spool (3), and sealing ring (5c2) sticks in the cavity wall of spool (3) inner cavity.
7. according to any fore filters backwashed of claim 1-5, which is characterized in that the water outlet (2b)
On be provided with aperture, the aperture is connected with exhalant canal (2b1), and the aperture internal thread is connected with plug (2e).
8. according to any fore filters backwashed of claim 1-5, which is characterized in that the valve body (2)
Sign (2f) is provided on lateral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820171307.1U CN207913332U (en) | 2018-01-31 | 2018-01-31 | A kind of fore filter backwashed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820171307.1U CN207913332U (en) | 2018-01-31 | 2018-01-31 | A kind of fore filter backwashed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207913332U true CN207913332U (en) | 2018-09-28 |
Family
ID=63602922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820171307.1U Active CN207913332U (en) | 2018-01-31 | 2018-01-31 | A kind of fore filter backwashed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207913332U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110812919A (en) * | 2019-12-01 | 2020-02-21 | 郑水芝 | Backwashing device for sewage treatment equipment |
| CN112546694A (en) * | 2020-11-23 | 2021-03-26 | 余泽飞 | Miniature water filter |
| CN114130087A (en) * | 2021-12-15 | 2022-03-04 | 山西潞安集团余吾煤业有限责任公司 | Back-flushing type pre-filter |
-
2018
- 2018-01-31 CN CN201820171307.1U patent/CN207913332U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110812919A (en) * | 2019-12-01 | 2020-02-21 | 郑水芝 | Backwashing device for sewage treatment equipment |
| CN112546694A (en) * | 2020-11-23 | 2021-03-26 | 余泽飞 | Miniature water filter |
| CN112546694B (en) * | 2020-11-23 | 2022-08-05 | 深圳市优贝尔科技有限公司 | Miniature water filter |
| CN114130087A (en) * | 2021-12-15 | 2022-03-04 | 山西潞安集团余吾煤业有限责任公司 | Back-flushing type pre-filter |
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