CN206063906U

CN206063906U - A kind of back flushing type front defecator and water purifier

Info

Publication number: CN206063906U
Application number: CN201620924398.2U
Authority: CN
Inventors: 赵刚
Original assignee: Jiangsu Heng Heng Environmental Technology Co Ltd
Current assignee: Jiangsu Heng Heng Environmental Technology Co Ltd
Priority date: 2016-08-23
Filing date: 2016-08-23
Publication date: 2017-04-05
Anticipated expiration: 2026-08-23

Abstract

The utility model discloses a kind of back flushing type front defecator and water purifier.A kind of back flushing type front defecator of the present utility model, including valve body, the top of valve body are connected with swing handle, the bottom of valve body is connected with housing, the bottom of housing is provided with sewage draining exit, and screen support frame is coaxially arranged with housing, and the inwall of screen support frame is provided with filter screen；Rotary shaft is coaxially arranged with screen support frame, the periphery of rotary shaft offers multiple rows of notch vertically, and multiple rows of notch is distributed in a ring, and dirt scraping equipment is provided with each notch, and dirt scraping equipment is mutually leaned on the inwall of filter screen；Dirt scraping equipment includes the spaced dirt-scraping plate of axial direction and hairbrush along rotary shaft；Dirt-scraping plate and hairbrush it is cleaner with the use of be eliminated impurity, the back flushing type front defecator can the more thorough impurity that must be removed on filter screen, it is and easy to install.

Description

A kind of back flushing type front defecator and water purifier

Technical field

This utility model belongs to Water warfare field, and in particular to a kind of back flushing type front defecator and water purifier.

Background technology

People's daily water consumption mostly comes from municipal tap water, but, tap water passed through before each user is reached The impurity such as many pipelines, many silts existed inside pipeline, rust, can not only cause brown water and water equipment control piece Failure, such as tap are dripped, heat-exchanger pipeline blocking, rupture etc., but also can precipitate on pipeline, are on the one hand antibacterial Grow there is provided hotbed, on the other hand can form electrochemical material, they interior in a few short months can cause metallic conduit Corrosion or perforation, it is therefore necessary to filtration treatment is carried out to the above-mentioned tap water containing impurity.Fore filter is a kind of reliable Contaminant filter device, the front end of the inlet channel being typically mounted at after water meter is a large amount of heavy with guarantee to produce in pipe network Shallow lake impurity will not be damaged to human body, and plays positive protective effect to concealed pipe, faucet, electrical equipment etc..Typically Fore filter can be divided into four kinds：It is Washdown type, backpulsing, semi-automatic and full-automatic.

Wherein, backwash type pre-filter is typically mounted at the front end of pipeline, and back flushing type front of the prior art is filtered Device, including valve body, the top that valve body has water inlet and outlet, valve body are connected with swing handle, and the bottom of valve body is connected with Housing, is coaxially arranged with screen support frame in housing, screen support frame is connected with valve seal, water inlet and screen support frame Inside is connected, and outlet is connected with the inside of housing, and the inwall of screen support frame is provided with filter screen, its working condition Belong to " inner pressed ", i.e., tap water enters its interior by water inlet, with the increase of rate of water added, its interior forms hydraulic pressure, Outer wall is penetrated into by the inwall of filter screen under pressure, water after filtering is flowed out by outlet, in the process, mud The particulate contaminants such as sand, rust are retained on the filter screen in pipe, and this will have a strong impact on the use of filter.

Utility model content

For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of back flushing type front defecator, should Back flushing type front defecator can the more thorough impurity that must be removed on filter screen, it is and easy to install.

It is that, up to this purpose, this utility model is employed the following technical solutions：

A kind of back flushing type front defecator, including valve body, the valve body are provided with water inlet and outlet, the valve body Top is connected with swing handle, and the bottom of the valve body is connected with housing, screen support frame, institute are coaxially arranged with the housing State screen support frame to be connected with the valve seal, the inwall of the screen support frame is provided with filter screen, the filter screen Rotary shaft is coaxially arranged with support, the top of the rotary shaft is connected with the swing handle through after the valve body, described The bottom of rotary shaft is provided with plug, and the plug is connected with the bottom thread of the screen support frame, the bottom of the housing Sewage draining exit is provided with, the sewage draining exit is connected with blowdown mouth, rotating the swing handle makes the plug push against the blowdown mouth, The sewage draining exit is closed, and rotating backward the swing handle makes the plug away from the blowdown mouth, and the sewage draining exit is opened, institute The periphery for stating rotary shaft offers multiple rows of notch vertically, and multiple rows of notch is distributed in a ring, is all provided with each described notch Dirt scraping equipment is equipped with, the dirt scraping equipment is mutually leaned on the inwall of the filter screen；The dirt scraping equipment is included along the rotary shaft The spaced dirt-scraping plate of axial direction and hairbrush, the dirt-scraping plate and the hairbrush in each described notch for interval set Put, to be crisscross arranged, the bottom of each dirt-scraping plate sets the dirt-scraping plate and the hairbrush in notch described in adjacent two row Dirt discharge groove is equipped with, first through hole is offered at the axle center of the rotary shaft vertically, is radially arranged in the rotary shaft There is the second through hole, second through hole connects the dirt discharge groove and the first through hole, and the impurity in the dirt discharge groove is by described Second through hole introduces the first through hole, and when the sewage draining exit is opened, the impurity and the first through hole under the hairbrush brush draws The impurity for going out is discharged by the sewage draining exit.

Wherein, the bottom surface of the dirt discharge groove has the first angle, the angle of first angle with the radial direction of the rotary shaft Spend for 30 °～80 °.

Wherein, the axis of second through hole has the second angle with the radial direction of the rotary shaft, second angle Angle is 30 °～80 °.

Wherein, the number of the notch is even number.

Wherein, position corresponding with the bottom of the drainage screen bracing frame on the housing is provided with step, described Sealing ring, the lower end of the valve body and the drainage screen are provided between the lower end of the upper end of rank and the drainage screen bracing frame The upper end of support is provided with sealing ring.

Wherein, the lower end of the valve body is provided with connecting portion, and the valve body passes through the connecting portion screw thread with the housing Connection.

Wherein, the lower end of the housing is inverted cone-shaped structure.

Wherein, the aperture of the filter screen is 70～90 μm.

The two of the purpose of this utility model are to provide a kind of water purifier, including above-mentioned back flushing type front defecator, should The purifying water effect of water purifier is good.

Compared with prior art, the beneficial effects of the utility model are：A kind of back flushing type front of the present utility model is filtered Device, during normal work, rotating swing handle makes plug push against blowdown mouth, and sewage draining exit is closed, and plug makes blowdown tight against sewage draining exit Mouth closing, water are flowed out by outlet after being entered by the water inlet of valve body Jing after strainer filtering, and the impurity such as silt, rust is retained in In filter screen；The periphery of rotary shaft offers multiple rows of notch vertically, and multiple rows of notch is distributed in a ring, is provided with each notch Dirt scraping equipment, dirt scraping equipment are mutually leaned on the inwall of filter screen；Dirt scraping equipment includes spaced along the axial direction of rotary shaft Dirt-scraping plate and hairbrush, the dirt-scraping plate and hairbrush in each notch be interval setting, the dirt-scraping plate and hairbrush in adjacent two emissions grooves mouth To be crisscross arranged, during flushing, rotating backward swing handle makes plug away from blowdown mouth, and sewage draining exit is opened, and water is entered by water inlet, The rotation of rotary shaft rotates dirt scraping equipment, and dirt-scraping plate and hairbrush brush off the impurity on filter screen, and wherein some impurity is accessed The dirt discharge groove arranged on dirt-scraping plate, the impurity in dirt discharge groove are introduced into the first of rotary shaft shaft core position setting by the second through hole Through hole, discharges in sewage draining exit, and another part impurity is by flowing down Jing sewage draining exits row by current afterwards under dirt-scraping plate and hairbrush brush Go out, impurity is divided into two-way and is excluded, alleviate the pressure of blowdown, at the same dirt-scraping plate and hairbrush with the use of being eliminated impurity It is cleaner, therefore can make that filter screen is cleaned it is more thorough.

Description of the drawings

Fig. 1 is a kind of structural representation of back flushing type front defecator of the present utility model；

Fig. 2 is a kind of structural representation of one embodiment of back flushing type front defecator of the present utility model；

Fig. 3 is a kind of structural representation of the cross section of one embodiment of back flushing type front defecator of the present utility model Figure；

Fig. 4 is a kind of structural representation of the dirt-scraping plate of back flushing type front defecator of the present utility model.

Reference is as follows：

1- valve bodies；2- water inlets；3- outlets；4- swing handles；5- housings；6- sewage draining exits；7- blowdown mouths；8- filter screens Support；9- filter screens；10- rotary shafts；11- dirt-scraping plates；12- hairbrush；13- plugs；14- sealing rings；15- connecting portions；16- steps； 17- dirt discharge grooves；18- first through hole；The second through holes of 19-.

Specific embodiment

The technical solution of the utility model is further illustrated with reference to Fig. 1 to 4 and by specific embodiment.

As shown in figure 1, a kind of back flushing type front defecator of the present utility model, including valve body 1, valve body 1 is provided with into water Mouth 2 and outlet 3, the top of valve body 1 are connected with swing handle 4, and the bottom of valve body 1 is connected with housing 5, coaxially sets in housing 5 Screen support frame 8 is equipped with, screen support frame 8 is tightly connected with valve body 1, the inwall of screen support frame 8 is provided with filter screen 9, Water inlet 2 is connected with the inside of screen support frame 8, and outlet 3 is connected with the inside of housing 5, coaxial in screen support frame 8 Rotary shaft 10 is provided with, the top of rotary shaft 10 is connected with swing handle 4 through after valve body 1, and the bottom of rotary shaft 10 is provided with Plug 13, plug 13 are connected with the bottom thread of screen support frame 8, and the bottom of housing 5 is provided with sewage draining exit 6, and sewage draining exit 6 connects There is blowdown mouth 7, rotating swing handle 4 makes plug 13 push against blowdown mouth 7, and sewage draining exit 6 is closed, and rotating backward swing handle 4 makes to block up 13 away from blowdown mouth 7, and sewage draining exit 6 is opened；As shown in figure 3, the periphery of rotary shaft 10 offers multiple rows of notch vertically, it is multiple rows of Notch is distributed in a ring, is provided with dirt scraping equipment in each notch, and the number of described notch is preferably even number, but number It is unsuitable excessive, prevent from stopping the normal circulation of current；Dirt scraping equipment is mutually leaned on the inwall of filter screen 9；Dirt scraping equipment includes that edge turns The spaced dirt-scraping plate 11 of axial direction of moving axis 10 and hairbrush 12, the dirt-scraping plate 11 and hairbrush 12 in each notch are interval Arrange, the dirt-scraping plate 11 and hairbrush 12 in adjacent two emissions grooves mouth is to be crisscross arranged；As shown in figure 4, the bottom of each dirt-scraping plate 11 It is provided with dirt discharge groove 17；As shown in Fig. 2 offering first through hole 18, edge in rotary shaft 10 at the axle center of rotary shaft 10 vertically Radial direction is provided with the second through hole 19, the connection dirt discharge groove 17 of the second through hole 19 and first through hole 18, the impurity in dirt discharge groove 17 First through hole 18 is introduced by the second through hole 19；When sewage draining exit 6 is opened, it is miscellaneous that the impurity and first through hole 18 under the brush of hairbrush 12 is drawn Matter is discharged by sewage draining exit 6.During normal work, rotate swing handle make plug push against blowdown mouth, sewage draining exit close, plug tight against Sewage draining exit, closes sewage draining exit, and water is flowed out by outlet after being entered by the water inlet of valve body Jing after strainer filtering, silt, rust It is retained in filter screen Deng impurity；During flushing, rotating backward swing handle makes plug away from blowdown mouth, and sewage draining exit is opened, water by Water inlet is entered, and the rotation of rotary shaft rotates dirt scraping equipment, and dirt-scraping plate and hairbrush brush off the impurity on filter screen, wherein there is one Impurity is divided to access the dirt discharge groove arranged on dirt-scraping plate, the impurity in dirt discharge groove is introduced into rotary shaft shaft core position by the second through hole The first through hole of setting, discharges in sewage draining exit, and another part impurity is by being flowed down by current under dirt-scraping plate and hairbrush brush afterwards Jing sewage draining exits are discharged, and impurity is divided into two-way and is excluded, and alleviate the pressure of blowdown, at the same dirt-scraping plate and hairbrush with the use of making It is cleaner that impurity is eliminated, thus can make that filter screen is cleaned it is more thorough.

Preferably, the bottom surface of dirt discharge groove 17 has the first angle, the angle of the first angle with the radial direction of rotary shaft 10 Spend for 30 °～80 °, such as 30 °, 40 °, 50 °, 60 °, 70 °, 80 °, further, axis and the rotary shaft 10 of the second through hole 19 Radial direction there is the second angle, the angle of the second angle is 30 °～80 °.It should be noted that described angle is acute angle folder Angle, the setting of the first angle and the second angle facilitate impurity and are more smoothly discharged.

The lower end of valve body 1 is provided with connecting portion 15, and valve body 1 is connected by connecting portion 15 with housing 5.Wherein, on housing 5 with The position that the bottom of drainage screen bracing frame 8 is corresponding is provided with step 16, the upper end of step 16 and the lower end of drainage screen bracing frame 8 Between be provided with sealing ring 14, can prevent the impurity discharged from penetrating into the space formed between housing 5 and screen support frame 8, so as to anti- The only water after contaminated filter.

Plug 13 to be threadedly coupled, is adjusted swing handle 4, plug 13 can be made to be separated with blowdown mouth 7, filtered with blowdown mouth 7 Impurity in net is discharged with current.Preferably, the lower end of housing 5 is inverted cone-shaped structure, is easy to that impurity is quick, thorough must discharge. Wherein, the lower end of valve body 1 is provided with sealing ring 14 with the upper end of drainage screen bracing frame 8, prevents filtered water from leaking into filter The outside of net 9.Preferably, filter screen 9 is food-grade stainless steel net or copper mesh, and its filtering accuracy is higher, firm lasting, easy cleaning. The aperture of filter screen 9 is 70～90 μm, and even aperture distribution, can effectively filter out the impurity in water and not affect water Pressure.Housing 5 is polycarbonate transparent housing, makes filter effect very clear.

It is in addition, back flushing type front defecator of the present utility model made water purifier, simple structure, easy to use.

Above content is only preferred embodiment of the present utility model, for one of ordinary skill in the art, according to this reality With new thought, will change in specific embodiments and applications, this specification content should not be construed as To restriction of the present utility model.

Claims

1. a kind of back flushing type front defecator, including valve body (1), the valve body (1) are provided with water inlet (2) and outlet (3), The top of the valve body (1) is connected with swing handle (4), and the bottom of the valve body (1) is connected with housing (5), the housing (5) Screen support frame (8) is coaxially arranged with inside, the screen support frame (8) is tightly connected with the valve body (1), the screen support The inwall of frame (8) is provided with filter screen (9), it is characterised in that be coaxially arranged with rotary shaft in the screen support frame (8) (10), the top of the rotary shaft (10) is connected with the swing handle (4) through after the valve body (1), the rotary shaft (10) bottom is provided with plug (13), and the plug (13) is connected with the bottom thread of the screen support frame (8), the shell The bottom of body (5) is provided with sewage draining exit (6), and the sewage draining exit (6) is connected with blowdown mouth (7), and rotating the swing handle (4) makes The plug (13) pushes against the blowdown mouth (7), and the sewage draining exit (6) is closed, rotate backward the swing handle (4) make it is described Plug (13) is opened away from the blowdown mouth (7), the sewage draining exit (6), and the periphery of the rotary shaft (10) offers vertically Multiple rows of notch, multiple rows of notch are distributed in a ring, are provided with dirt scraping equipment in each described notch, the dirt scraping equipment with The inwall of the filter screen (9) is mutually leaned on；The dirt scraping equipment includes spaced along the axial direction of the rotary shaft (10) Dirt-scraping plate (11) and hairbrush (12), the dirt-scraping plate (11) and the hairbrush (12) in each described notch is interval setting, The dirt-scraping plate (11) and the hairbrush (12) in notch described in adjacent two row to be crisscross arranged, each described dirt-scraping plate (11) Bottom be provided with dirt discharge groove (17), offer first through hole (18) at the axle center of the rotary shaft (10) vertically, described turn Second through hole (19) is provided with moving axis (10) radially, second through hole (19) connects the dirt discharge groove (17) and institute First through hole (18) is stated, the impurity in the dirt discharge groove (17) introduces the first through hole (18) by second through hole (19), When the sewage draining exit (6) is opened, the impurity that the impurity and the first through hole (18) under hairbrush (12) brush is drawn is by institute State sewage draining exit (6) discharge.

2. a kind of back flushing type front defecator according to claim 1, it is characterised in that the bottom of the dirt discharge groove (17) Face has the first angle with the radial direction of the rotary shaft (10), and the angle of first angle is 30 °～80 °.

3. a kind of back flushing type front defecator according to claim 1, it is characterised in that second through hole (19) Axis has the second angle with the radial direction of the rotary shaft (10), and the angle of second angle is 30 °～80 °.

4. a kind of back flushing type front defecator according to claim 1, it is characterised in that the number of the notch is even Number.

5. a kind of back flushing type front defecator according to claim 1, it is characterised in that on the housing (5) and institute The corresponding position in bottom for stating drainage screen bracing frame (8) is provided with step (16), the upper end of the step (16) and the mistake Sealing ring (14), lower end and the drainage screen bracing frame of the valve body (1) are provided between the lower end of screen support frame (8) (8) upper end is provided with sealing ring (14).

6. a kind of back flushing type front defecator according to claim 1, it is characterised in that the lower end of the valve body (1) Connecting portion (15) is provided with, the valve body (1) is threadedly coupled by the connecting portion (15) with the housing (5).

7. a kind of back flushing type front defecator according to claim 1, it is characterised in that the lower end of the housing (5) For inverted cone-shaped structure.

8. a kind of back flushing type front defecator according to claim 1, it is characterised in that the aperture of the filter screen (9) For 70～90 μm.

9. a kind of water purifier, including the back flushing type front defecator as described in any one of claim 1～8.