CN210170943U

CN210170943U - Leading filter equipment of ability self-cleaning

Info

Publication number: CN210170943U
Application number: CN201920199167.3U
Authority: CN
Inventors: Zechun Zhu; 朱泽春; Jie Zhu; 朱杰; Mingyang Ma; 马明阳; Dezhi Zhang; 张德知
Original assignee: Joyoung Co Ltd
Current assignee: Hangzhou Jiuchuang Home Appliances Co ltd
Priority date: 2019-02-13
Filing date: 2019-02-13
Publication date: 2020-03-24
Anticipated expiration: 2029-02-13

Abstract

The utility model discloses a leading filter equipment of ability self-cleaning, including upper cover and shell, the upper cover is fixed mutually with the shell in order to form the purification chamber, purifies the intracavity and has filter screen subassembly and self-cleaning device, and the self-cleaning device is located the former water side of filter screen subassembly, and the self-cleaning device includes the support and scrapes the washing strip, scrapes the washing strip and establishes on the support, still is equipped with the drive division on the support, and the drive division drives the support rotation under the effect of rivers, and then scrapes the former water side that the washing strip scrubbed the filter screen subassembly. The utility model discloses an at the inside self-cleaning device that sets up of leading filter equipment, can scrub the filter screen subassembly, prevent that the pollutant from blockking up the filter screen, influence the filter effect.

Description

Leading filter equipment of ability self-cleaning

Technical Field

The utility model relates to a leading filter's technical field, especially a leading filter equipment of ability self-cleaning.

Background

The front filter is a water purifying device arranged on a water pipe, and the large-particle impurities of silt and rust are intercepted outside by arranging a filter screen in the front filter, so that the impurities are prevented from entering into wading household appliances such as a washing machine, a water heater and a dish washing machine to influence the service life of the household appliances, or the front filter element of the household water purifier is greatly consumed. However, if the pre-filter is used for a long time, pollutants are adhered to the filter screen of the pre-filter, the water passing capacity is reduced, the indoor water path is reduced, the water outlet is slow, and even the filter screen is blocked. Generally, a user needs to manually rotate a scraping strip on the filter screen to scrape off contaminants adhered to the filter screen.

SUMMERY OF THE UTILITY MODEL

To among the prior art, leading filter equipment can appear the phenomenon of filter screen surface adhesion impurity dirt after long-time the use, the filter screen appears and blocks up, the filter effect is not good, and scrapes manually and wash complex operation scheduling problem, the utility model discloses a following technical scheme:

the utility model provides a leading filter equipment of ability self-cleaning, includes upper cover and shell, the upper cover with the shell is fixed in order to form the purification chamber, its characterized in that, filter screen subassembly and self-cleaning device have in the purification chamber, self-cleaning device is located the raw water side of filter screen subassembly, self-cleaning device includes the support and scrapes the washing strip, it establishes to scrape the washing strip on the support, be equipped with the drive division on the support, rivers act on in order to drive in the drive division the support is rotatory, and then it scrubs to scrape the washing strip the raw water side of filter screen subassembly.

The raw water passes through the filter screen assembly, and impurity such as silt of aquatic can be intercepted in the raw water side of filter screen assembly, and in the long run, can adhere to impurity such as silt on the filter screen, will set up the raw water side of filter screen assembly from the cleaning device like this also, like this when water gets into the raw water side and acts on the drive division of support, the support begins to rotate, scrapes and washes the strip and scrape along with it and wash filter screen assembly, scrapes the impurity of adhesion on the net and washes. Wherein, the raw water side can be located the inside of filter screen subassembly, and water filters from the inside filter screen subassembly that flows through of filter screen subassembly, and like this, the water after filtering enters into between filter screen subassembly and the shell, again through the upper cover outflow, at this moment the self-cleaning subassembly sets up in filter screen subassembly's inside, scrapes the internal surface of washing filter screen subassembly. The raw water side can also be the outside of the filter screen component, so that the water enters the filter screen component from the outside to be filtered, the filtered water flows out from the upper cover through the inside of the filter screen component, and at the moment, the self-cleaning device is arranged outside the filter screen component to scrape and wash the outer surface of the filter screen component.

Furthermore, the driving part is a driving blade which is convexly arranged on the surface of the support, and the driving blade extends spirally along the axial direction of the support.

The driving blade is the heliciform protrusion setting on the support, like this when rivers are used in on the driving blade, thereby the driving blade receives the impact and drives support autogiration, scrapes on the support and washes the strip and will scrape along with rivers and wash filter screen assembly.

Furthermore, the support still is equipped with scrapes the wash tank, it fixes to scrape the washing strip scrape in the wash tank, scrape the washing strip orientation the one side protrusion of filter screen subassembly in scrape the wash tank and with the surface of filter screen subassembly contacts.

When the support begins to rotate under the effect of rivers, scrape and wash the strip and can paste the surface of filter screen subassembly and rub it, will be attached to the impurity of filter screen surface and scrape and wash down.

Furthermore, the number of the scraping and washing grooves is at least two, and two ends of the driving blade respectively extend to the scraping and washing grooves on the corresponding sides.

At least two scraping and washing grooves are formed in the self-cleaning device, the driving blades are obliquely arranged between the two adjacent scraping and washing grooves, two ends of each driving blade are respectively connected with the two adjacent scraping and washing grooves, and the driving blades are spirally wound around the support, so that the length of the driving blades can be maximized, the contact area between the driving blades and water is enlarged, and the support can rotate along with water flow more easily.

Furthermore, the self-cleaning device is arranged outside the filter screen assembly, one side of the scraping and washing strip, which faces the shell, is provided with an auxiliary scraping and washing part, and the auxiliary scraping and washing part is in contact with the inner wall of the shell.

Raw water filters in flowing into the filter screen subassembly from one side of filter screen subassembly orientation shell, and impurity such as silt of aquatic can be intercepted in the outside of filter screen subassembly and attached to on the surface, when starting work from the cleaning device, establishes the surface that can not only scrape and wash the filter screen subassembly on the support to scrape and wash the strip, lies in the vice washing portion of scraping that scrapes on the washing strip simultaneously and also can scrape the washing to the inner wall of shell, reaches the cleaning action to the shell inner wall.

Furthermore, arranging grooves are formed in two sides of the scraping and washing groove, arranging parts are arranged on two sides of the scraping and washing strip, and the arranging parts are inserted into the arranging grooves to arrange the scraping and washing strip in the scraping and washing groove.

Wherein, the scraping and washing groove on the bracket is of a hollow structure, the two sides in the groove are also provided with a placing groove for installing the scraping and washing strip, and the scraping and washing strip is inserted into the scraping and washing groove by matching with the placing part on the scraping and washing strip.

Furthermore, the one end of scraping and washing the strip is equipped with along the joint portion of radial extension, the one end of support is equipped with the end cover, through with joint portion card is in the one end of support and then will it is spacing to scrape the washing strip on the wash tank, the end cover compresses tightly joint portion will scrape the washing strip and fix on the support.

Through the one end with joint portion card at the support, will scrape and wash the strip and inject the relevant position on scraping the wash tank, use the end cover again and press joint portion to accomplish on the support and scrape the strip and wash the fixed on the support, guaranteed like this to scrape still to have strengthened when washing the position of strip in scraping the wash tank and scrape the stability of washing the strip installation.

Furthermore, the support is further provided with a vertical rod and a ring rod, the ring rod surrounds the periphery of the support and is intersected with the vertical rod to form a water passing gap, and the driving part is arranged on the water passing gap in a spanning mode.

The vertical rods and the ring rods on the support are arranged in an intersecting mode to form a water passing gap and simultaneously play a role in supporting the support, so that the support is prevented from deforming. The driving part is obliquely arranged on the water passing gap in a crossing mode, so that the driving part can be arranged between the scraping and washing grooves and can also be arranged on the scraping and washing grooves in a crossing mode, the driving part is wound around the support, and the support is convenient to rotate along with water flow.

Furthermore, the bottom of the support is provided with a protruding part, the inner wall of the bottom of the shell is provided with a groove, and the protruding part is rotatably inserted into the groove to install the self-cleaning device in the purification cavity.

The bulge of support bottom settles the support and when the support is rotatory along with rivers in purifying the intracavity, also plays the effect of rotation axis, has guaranteed that the support can rotate at fixed position at rotatory in-process, has increased the rotatory stability of support.

Further, the bottom of the shell is provided with a waste water port, or the upper cover is provided with a waste water port, a waste water pipe is further arranged in the purification cavity, and the waste water port is connected with the waste water pipe.

When the front filter device is washed, the waste water port can be arranged at the bottom of the shell, so that dirt scraped from the filter screen assembly sinks into the bottom of the shell along with water, and is discharged from the bottom of the shell along with the washing water flow in a state that the waste water port is opened. Of course, the waste water port can also be arranged on the upper cover, and waste water with dirt is discharged into the waste water pipe through the waste water pipe arranged in the purification cavity and then is discharged from the upper cover.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic view of a pre-filter device according to a first embodiment of the present invention;

FIG. 2 is a schematic view of the self-cleaning apparatus of the present invention;

fig. 3 is a schematic view of the housing of the present invention;

FIG. 4 is a schematic view of the installation of the end cap and the scraping strip of the present invention;

FIG. 5 is a schematic view of a wash tank in a rack according to the present invention;

fig. 6 is a schematic structural view of the screen assembly of the present invention;

FIG. 7 is a schematic view of the installation of the screen assembly of the present invention;

fig. 8 is a schematic view of a pre-filter device according to a second embodiment of the present invention;

fig. 9 is a schematic view of an upper cover according to a second embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Example one

As shown in figure 1, the pre-filter capable of self-cleaning comprises an upper cover 1 and a shell 2, wherein the upper cover 1 is fixed with the shell 2 to form a purifying cavity 21, the upper cover is also provided with a water inlet 11 and a water outlet 12, and water enters the purifying cavity 21 from the water inlet 11. The purifying cavity 21 is internally provided with a filter screen component 4 and a self-cleaning device 3, and the self-cleaning device 3 is sleeved on the raw water side of the filter screen component 4. The raw water side in this embodiment refers to the outside of the filter screen assembly 4, and the raw water flows between the filter screen assembly 4 and the housing 2 after entering from the water inlet 11, and flows to the inside through the outside of the filter screen assembly 4, so as to perform the filtration of the raw water, and thus the impurities such as silt carried in the raw water will be attached to the outer surface of the filter screen assembly 4, and the cleaning device 3 is arranged outside the filter screen assembly, so as to facilitate the cleaning of the outer surface of the filter screen assembly 4. Of course, the raw water can also directly flow from the outside of the internal phase of the filter screen component to be filtered, the raw water side is positioned in the filter screen component, and the self-cleaning device is arranged in the filter screen component, so that the inner surface of the filter screen component is convenient to clean.

As shown in fig. 2, the self-cleaning device 3 includes a support 31 and a cleaning bar 35, the cleaning bar 35 is disposed on the support 31, wherein there are at least two cleaning bars 35, and in this embodiment, the two cleaning bars 35 are disposed on the support 31 and are distributed on two sides of the support 31 at equal intervals. The bracket 31 is further provided with a driving blade 32 protruding from the surface of the bracket 31, and the driving blade 32 is spirally arranged on the bracket 31. Thus, the water flow acts on the driving blade 32 to drive the bracket 31 to rotate, and self-cleaning of the screen assembly 4 is accomplished. In this embodiment, the two driving impellers 32 are obliquely and diagonally arranged between the two scraping and washing bars, so that the length of the driving impellers between the scraping and washing bars is the longest, and the bracket is conveniently driven to rotate. Of course, the driving blade can be only obliquely arranged between two adjacent scraping and washing strips, does not need to be arranged diagonally, and can also drive the bracket to rotate. The driving blade is obliquely arranged on the scraping and washing strips, and not only is the driving blade arranged between the scraping and washing strips, so that the driving blade can be arranged on the surface of the support in a protruding mode, but also can be arranged on the support in a surrounding mode as long as possible, and the number of the driving blades can be reduced. Still be equipped with montant 37 and loop bar 36 on the support, montant 37 with form between the loop bar 36 and cross the water space, let the raw water flow in filtering component through crossing the water space and filter, the crisscross setting like this can also play the supporting role to the support simultaneously, prevents that the support warp.

As shown in fig. 2 and 3, the bottom of the bracket 31 is further provided with a protruding portion 33, the inner wall of the bottom of the housing 2 is provided with a groove 22, the protruding portion 33 is rotatably disposed in the groove 22 to complete the placement of the bracket 31 inside the housing 2, and the protruding portion 33 is also equivalent to a rotating shaft, and plays a role in fixing the bracket in the rotating process to prevent the displacement phenomenon. In this embodiment, the center of the groove 22 is further provided with a waste water inlet 221, when the front filter assembly starts self-cleaning, the water outlet on the upper cover is in a closed state, so that water enters the inside of the housing from the water inlet and directly flows to the bottom of the housing through the whole purification cavity, the whole filter screen assembly is comprehensively washed away, and finally, impurities scraped from the filter screen assembly are directly discharged through the waste water outlet at the bottom. Of course, when the pre-filter is normally used, that is, the water outlet is opened and the waste water port is closed, the self-cleaning device can also flush the filter screen under the action of water flow, and then impurities scraped from the filter screen are deposited at the bottom of the filter screen, and are discharged along with the waste water port when the pre-filter is in a cleaning state. The waste water opening of the front filter device is provided with a sufficient space, and the impurity dirt scraped and washed from the filter screen can be accommodated and accumulated, so that a user can periodically detach the shell and then automatically treat the internal impurity dirt.

As shown in fig. 4 and 5, a scraping and washing groove 34 is further provided on the bracket, a placing groove 341 is further provided on both sides of the scraping and washing groove 34, a placing portion 352 is provided on both sides of the scraping and washing bar 35, and the scraping and washing bar 35 is installed in the scraping and washing groove 34 by inserting the placing portion 352 into the placing groove 341, thereby completing the placing of the scraping and washing bar. One end of the scraping and washing strip 35 is further provided with a clamping portion 351 extending in the radial direction, one end of the support 31 is provided with an end cover 311, the scraping and washing strip 35 is installed in the scraping and washing groove 34, and the clamping portion 351 is pressed on the end cover 311 and the end portion of the support 31 to fix the scraping and washing strip 35 in the scraping and washing groove 34. Still another kind of mounting means to scraping and washing the fixed of strip in scraping the wash tank is that the length of scraping and washing the strip is the same with the length of scraping the wash tank, scrapes the inside that washes the strip and fill whole scraping the wash tank through using, has guaranteed the installation stability of scraping and washing the strip like this.

As shown in fig. 6 and 7, the tip of filter screen subassembly 4 is equipped with fixed part 41, the upper end of shell is equipped with fixed recess 23, through fixed part 41 inserts will in the fixed recess 23 filter screen subassembly 4 is fixed in the shell 2, like this, guarantee when drive blade drives the support rotation along with rivers, filter screen subassembly is fixed in the shell is inside, scrapes the strip rotation and scrapes washing filter screen subassembly.

Example two

As shown in fig. 8, the present embodiment is different from the first embodiment in that a waste water port 13a is provided on the upper cover 1a, a waste water pipe 5a is provided inside the screen assembly 4a, the waste water pipe 5a is connected to the waste water port 13a, when the scraping strip 35a is installed in the scraping groove 34a, an opening is left at the bottom of the scraping groove 34a, when the pre-filter apparatus performs self-cleaning, the water outlet is closed, the waste water port is opened, water acts on the driving blade to drive the bracket to rotate, so that the scraping strip brushes the surface of the screen, and then impurities brushed from the surface of the screen enter the inside of the bracket along with the water flow from the opening at the bottom of the scraping groove and are discharged from the waste water pipe inside the screen assembly. Wherein, the outside of waste water mouth even has the waste water solenoid valve, utilizes the waste water solenoid valve to control the switching of waste water mouth, and when leading filter equipment normal use, the waste water solenoid valve is in the closed condition.

As shown in fig. 9, the upper cover 1a is provided at a middle portion thereof with a water outlet groove 14a communicating with the water outlet 12a, the water outlet groove 14a is provided at an inner portion thereof with a waste water groove 15a communicating with the waste water port 13a, and the waste water pipe 5a is connected to the waste water groove 15a, so that, when the pre-filter device is normally used, raw water enters from the water inlet 11a and exists between the drain groove 14a and the upper cover 1a, and after filtering, exists between the drain groove 14a and the waste water groove 15a and is discharged from the drain port 12 a. When the front filter device is in a cleaning and dirt removing state, the water outlet 12a is closed, and water with dirt enters the waste water groove 15a and is discharged through the waste water outlet 13 a.

The preferred embodiments of the present invention have been described in detail, but it should be understood that various changes and modifications can be made by those skilled in the art after reading the above teaching of the present invention. Such equivalents are intended to fall within the scope of the claims appended hereto.

Claims

1. The utility model provides a leading filter equipment of ability self-cleaning, includes upper cover and shell, the upper cover with the shell is fixed in order to form the purification chamber, its characterized in that, filter screen subassembly and self-cleaning device have in the purification chamber, self-cleaning device is located the raw water side of filter screen subassembly, self-cleaning device includes the support and scrapes the washing strip, it establishes to scrape the washing strip on the support, be equipped with the drive division on the support, rivers act on in order to drive in the drive division the support is rotatory, and then it scrubs to scrape the washing strip the raw water side of filter screen subassembly.

2. The self-cleaning prefilter unit according to claim 1 wherein said drive means is a drive blade projecting from the surface of said support, said drive blade extending helically in the axial direction of said support.

3. The self-cleaning prefilter unit of claim 2 wherein said support is further provided with a scraping groove, said scraping strip being fixed in said scraping groove, said scraping strip projecting from said scraping groove towards one face of said screen assembly and contacting a surface of said screen assembly.

4. The self-cleaning prefilter unit according to claim 3 wherein there are at least two scraping grooves, and the two ends of said driving vanes extend to the scraping grooves on the respective sides.

5. The self-cleaning prefilter unit of claim 4 wherein said self-cleaning means is located outside said screen assembly, and said wiper strip has a secondary wiping portion on the side facing said housing, said secondary wiping portion contacting the inside wall of said housing.

6. The self-cleaning pre-filter device as recited in claim 3, wherein a placement groove is provided on both sides of the scraping groove, a placement portion is provided on both sides of the scraping strip, and the placement portion is inserted into the placement groove to place the scraping strip in the scraping groove.

7. The self-cleaning front filter device according to claim 3, wherein a radially extending clamping portion is provided at one end of the cleaning strip, an end cap is provided at one end of the support, and the end cap presses the clamping portion to fix the cleaning strip on the support by clamping the clamping portion at one end of the support to limit the cleaning strip on the cleaning groove.

8. The self-cleaning front filter device according to claim 1, wherein the support is further provided with a vertical rod and a loop rod, the loop rod surrounds the periphery of the support and intersects with the vertical rod to form a water passing gap, and the driving portion spans the water passing gap.

9. The self-cleaning pre-filter apparatus as recited in any one of claims 1-8, wherein the bottom of the housing defines a protrusion, the inner wall of the bottom of the housing defines a recess, and the protrusion is rotatably inserted into the recess to mount the self-cleaning apparatus within the cleaning chamber.

10. The self-cleaning pre-filter unit according to any of claims 1-8, wherein the bottom of the housing is provided with a waste water inlet, or the upper cover is provided with a waste water inlet, and a waste water pipe is further arranged in the purification chamber, and the waste water inlet is connected with the waste water pipe.