CN221412488U

CN221412488U - Universal double-front filter

Info

Publication number: CN221412488U
Application number: CN202323565010.3U
Authority: CN
Inventors: 胡效军; 林祥瑞; 陈志超
Original assignee: Foshan Lumansen Trading Co ltd; HAINING SHUIXIANG WATER PURIFICATION EQUIPMENT CO Ltd
Current assignee: Foshan Lumansen Trading Co ltd; HAINING SHUIXIANG WATER PURIFICATION EQUIPMENT CO Ltd
Priority date: 2023-12-26
Filing date: 2023-12-26
Publication date: 2024-07-26
Anticipated expiration: 2033-12-26

Abstract

The utility model discloses a universal double-prepositive filter which comprises a universal seat, a valve head, a universal lining, a first filter flask, a second filter flask, a first water separator and a second water separator, wherein a first filter element component is arranged in the first filter flask, and a second filter element component is arranged in the second filter flask. According to the universal double-prefilter, due to the design of double-bottle filtration, raw water enters the first filter bottle for first-layer filtration after passing through the first water separator from the left side of the universal seat at the upper end. The purified water flows into a second filter flask after passing through the first water separator and the second water separator to be subjected to second-layer fine filtration, and finally is conveyed to the right end of the universal copper seat by the second water separator to be discharged for back-end household water. This universal two leading filter's structural design has guaranteed sufficient filtration working clearance for flux increase filter effect promotes, and the valve of first filter flask bottom and second filter flask bottom can form hierarchical two blowdown, mutually noninterfere, and the valve head adopts 360 degrees rotatory copper seats, satisfies various installation requirements.

Description

Universal double-front filter

Technical Field

The utility model belongs to the technical field of filters, and particularly relates to a universal double-front filter.

Background

The urban water supply pipeline is old and long, and the corrosion, sediment and other impurities of the pipeline can cause the control failure of the water using equipment, so that the filtering device is required to be arranged on the water using equipment. The front filter is generally arranged at the rear of the water meter, and has the main function of restoring tap water to the standard before delivery and protecting downstream equipment. The filtering precision of the pre-filter is 5-100 microns, so that impurities such as sediment, rust, floating matters and the like which are seen by naked eyes can be filtered, and the service life of subsequent equipment is greatly prolonged. The existing double-filter-screen pre-filter is designed to be arranged on the inner side and the outer side of a framework in a filter flask, and the surface of an outer filter screen is washed during sewage disposal, so that the effect of cleaning sewage disposal is achieved.

The existing double-net pre-filter has the problems that the gap between the filter screens is limited, the water consumption time is longer, the impurity accumulation is more in the middle of the two filter screens, the filter screens are not suitable for draining, the blocking phenomenon is easy to occur, the flux is reduced, the water yield at the rear end is reduced, the domestic water is influenced, and the functional life of the whole machine is reduced.

Disclosure of utility model

In order to solve the technical problems, the utility model adopts the following technical scheme: a universal double-prepositive filter, which comprises a universal seat, a valve head, a universal lining, a first filter flask, a second filter flask, a first water separator and a second water separator,

The universal seat comprises a water inlet end, a water outlet end and an outer butt joint pipe, an inner butt joint pipe is arranged in the universal seat, the water inlet end is communicated with the inner part of the outer butt joint pipe, and the water outlet end is communicated with the inner part of the inner butt joint pipe;

The valve head is internally provided with a valve cavity, the upper end of the valve head is provided with an upper butt joint, the lower end of the valve head is provided with a first lower butt joint and a second lower butt joint, the upper butt joint is rotatably connected with an outer butt joint pipe, the inside of the valve cavity is fixedly connected with a partition plate, the partition plate divides the valve cavity into a first water distribution cavity and a second water distribution cavity, the first water distribution cavity is communicated with the upper butt joint through an inner outlet, the first water distribution cavity is communicated with the upper butt joint through an inner inlet, and a transition channel is arranged on the partition plate;

an upper water outlet channel is arranged in the universal lining, a water outlet joint communicated with the upper water outlet channel is arranged at the upper end of the universal lining, a water inlet joint communicated with the upper water outlet channel is arranged at the lower end of the universal lining, the water outlet joint is rotatably connected with an inner butt joint pipe, the water inlet joint rotatably stretches into an inner outlet and is in sealing connection with the inner outlet, the water outlet joint stretches into an outer butt joint pipe and forms a water passing channel with the outer butt joint pipe, and the water passing channel is communicated with an inner inlet;

The first water separator is arranged in the first water separating cavity and comprises an outer sleeve and a central tube arranged in the outer sleeve, the outer sleeve and the central tube are fixedly connected through a plurality of connecting tubes, a first water inlet channel is arranged between the outer sleeve and the central tube, a first water outlet channel is arranged in the central tube, an annular groove is arranged on the outer sleeve, and the first water outlet channel is communicated with the annular groove through the connecting tubes;

The second water separator is arranged in the second water separation cavity, the second water separator comprises a water separation pipe and a water separation ring, the water separation ring is positioned at the lower end of the water separation pipe and is fixedly connected with the water separation pipe through a plurality of connecting pieces, a second water inlet channel is formed between the water separation ring and the water separation pipe, a second water outlet channel is formed in the water separation pipe, the second water outlet channel is communicated with the upper water outlet channel, and the second water inlet channel is communicated with the annular groove through a transition channel;

Install first filter core subassembly in the first filter flask, be equipped with first water inlet on the first filter flask, be equipped with first delivery port on the first filter core subassembly, install second filter core subassembly in the second filter flask, be equipped with the second water inlet on the second filter flask, be equipped with the second delivery port on the second filter core subassembly, first filter flask and first butt joint threaded connection, first water inlet of first water inlet channel intercommunication, first delivery port intercommunication first water outlet channel, second butt joint and second filter flask threaded connection, second water inlet intercommunication second water inlet channel, second delivery port intercommunication second water outlet channel, be equipped with first outlet on the first filter flask, first valve is installed to first outlet department, be equipped with the second outlet on the second filter flask, second valve is installed to second outlet department, be equipped with big annular on the outer butt joint pipe, the outer butt joint pipe is emboliaed in the butt joint, be equipped with a plurality of bolt holes all around on the butt joint, the bolt piece is inserted respectively in the bolt hole, the piece stretches into in the big annular respectively, the butt joint piece has the lantern ring on the upper butt joint, the lantern ring, the piece is located inside the butt joint piece and is equipped with a plurality of sealing washer between the outer butt joint pipe.

As the optimization of the technical scheme, the water inlet end and the water outlet end are respectively provided with external threads.

As the preference of above-mentioned technical scheme, one side of valve head is equipped with the pressure release mouth, and pressure release mouth intercommunication second water inlet channel is threaded connection has the fastener in the pressure release mouth.

As the preference of above-mentioned technical scheme, the shunt tubes is the funnel form, is connected with a plurality of bracing pieces in the shunt tubes, and the inner wall of the lower extreme connection shunt tubes of bracing piece, the top of the second water cavity is withstood to the lower extreme extension shunt tubes of bracing piece.

As the optimization of the technical scheme, the water outlet joint is sleeved in the inner butt joint pipe, and a sealing ring is arranged between the water outlet joint and the inner butt joint pipe; a sealing ring is arranged between the water inlet joint and the inner outlet; sealing rings are respectively arranged between the upper end of the outer sleeve and the inner wall of the first water distribution cavity, and between the lower end of the outer sleeve and the inner wall of the first water distribution cavity; sealing rings are respectively arranged between the upper end of the water diversion pipe and the inner wall of the first water diversion cavity, and between the water diversion ring and the inner wall of the first water diversion cavity; and a sealing ring is arranged between the first filter flask and the first lower butt joint, and a sealing ring is arranged between the second filter flask and the second lower butt joint.

The beneficial effects of the utility model are as follows: the universal double-front filter adopts the principle design of double-bottle filtration, and raw water enters a first filter bottle for first-layer filtration after entering from the left side of an upper end universal copper seat and passing through a first water separator. The purified water flows into a second filter flask after passing through the first water separator and the second water separator to be subjected to second-layer fine filtration, and finally is conveyed to the right end of the universal copper seat by the second water separator to be discharged for back-end household water. This universal two leading filter's structural design has guaranteed sufficient filtration working clearance for flux increase filter effect promotes, and the valve of first filter flask bottom and second filter flask bottom can form hierarchical two blowdown, mutually noninterfere, and the valve head adopts 360 degrees rotatory copper seats, satisfies various installation requirements.

Drawings

FIG. 1 is a schematic structural diagram of a universal dual prefilter of the present utility model and a schematic diagram of the operation of the prefilter when filtering water;

FIG. 2 is a schematic structural diagram of a universal dual prefilter of the present utility model and a schematic diagram of the operation during backwash;

FIG. 3 is a schematic view of the structure of the first water separator;

Fig. 4 is a schematic structural view of the second water separator.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4, a universal dual prefilter includes a universal seat 100, a valve head 200, a universal liner 300, a first filter flask 400, a second filter flask 500, a first water separator 600, and a second water separator 700.

The universal seat 100 comprises a water inlet end 101, a water outlet end 102 and an outer butt joint pipe 103, an inner butt joint pipe 104 is arranged in the universal seat 100, the water inlet end 101 is communicated with the inner part of the outer butt joint pipe 103, and the water outlet end 102 is communicated with the inner part of the inner butt joint pipe 104. The gimbal base 100 is made of copper to form a gimbal copper base.

The inside of valve head 200 is equipped with the valve pocket, and the upper end of valve head 200 is equipped with butt joint 201, and the lower extreme of valve head 200 is equipped with first butt joint 202 and second butt joint 203 down, and the rotatable outer butt joint pipe 103 of connection of butt joint 201 goes up, and the inside fixedly connected with division board 204 of valve pocket, division board 204 divide into first water dividing chamber and second water dividing chamber with the valve pocket, and through interior export 205 intercommunication between second water dividing chamber and the last butt joint 201, through interior import 206 intercommunication between first water dividing chamber and the last butt joint 201, be equipped with transition passageway 207 on the division board 204.

The inside water outlet channel 301 that is equipped with of universal inside lining 300, the upper end of universal inside lining 300 is equipped with the water outlet joint 302 of water outlet channel 301 on the intercommunication, and the lower extreme of universal inside lining 300 is equipped with the water inlet joint 303 of water outlet channel 301 on the intercommunication, the interior butt joint pipe 104 of rotatable connection of water outlet joint 302, water inlet joint 303 rotatable stretch into in the export 205 and with interior export 205 sealing connection, water outlet joint 302 stretch into in the outer butt joint pipe 103 and form water channel 304 with outside between the butt joint pipe 103, water channel 304 intercommunication import 206.

The first water knockout drum 600 is installed in first water knockout chamber, and first water knockout drum 600 is including outer tube 601 and locate the inside center tube 602 of outer tube 601, through a plurality of connecting pipes 603 fixed connection between outer tube 601 and the center tube 602, has first water inlet channel 604 between outer tube 601 and the center tube 602, and the inside first water outlet channel 605 that is equipped with of center tube 602, be equipped with ring channel 606 on the outer tube 601, first water outlet channel 605 passes through connecting pipe 603 intercommunication ring channel 606.

The second water separator 700 is installed in the second water separating cavity, the second water separator 700 comprises a water separating pipe 701 and a water separating ring 702, the water separating ring 702 is located at the lower end of the water separating pipe 701 and is fixedly connected with the water separating pipe 701 through a plurality of connecting pieces 703, a second water inlet channel 704 is formed between the water separating ring 702 and the water separating pipe 701, a second water outlet channel 705 is formed inside the water separating pipe 701, the second water outlet channel 705 is communicated with the upper water outlet channel 301, and the second water inlet channel 704 is communicated with the annular groove 606 through the transition channel 207.

The first filter flask 400 is internally provided with a first filter element assembly 401, the first filter flask 400 is provided with a first water inlet 402, the first filter element assembly 401 is provided with a first water outlet 410, the second filter flask 500 is internally provided with a second filter element assembly 403, the second filter flask 500 is provided with a second water inlet 404, the second filter element assembly 403 is provided with a second water outlet 405, the first filter flask 400 is in threaded connection with the first lower butt joint 202, the first water inlet channel 604 is communicated with the first water inlet 402, the first water outlet 410 is communicated with the first water outlet channel 605, the second lower butt joint 203 is in threaded connection with the second filter flask 500, the second water inlet 404 is communicated with the second water inlet channel 704, and the second water outlet 405 is communicated with the second water outlet channel 705.

Raw water to be filtered enters from the water inlet end 101, sequentially passes through the water channel 304, the inner inlet 206, the first water inlet channel 604 and the first water inlet 402, then enters the first filter flask 400, and the impurities are trapped on the surface of the first filter element assembly 401 under the filtering action of the first filter element assembly 401. The water filtered for the first time by the first filter element assembly 401 flows out from the first water outlet 410, enters the first water outlet channel 605, and sequentially passes through the connecting pipe 603, the annular groove 606, the transition channel 207, the second water inlet channel 704 and the second water inlet 404, and then enters the second filter flask 500. The second filtration is performed in the second filter flask 500 through the second filter element assembly 403, further trapping impurities on the surface of the second filter element assembly 403. The water after secondary filtration by the second filter element assembly 403 flows into the second water outlet channel 705 through the second water outlet 405, sequentially passes through the water outlet channel 301 and the inside of the inner butt joint pipe 104, and finally flows out from the water outlet end 102, thus completing filtration. The first filter flask 400, the second filter flask 500, the first filter element assembly 401, and the second filter element assembly 403 may be configured in the conventional manner. Generally, the first filter element assembly 401 and the second filter element assembly 403 respectively include a frame and a filter layer wrapped on the frame, wherein a first water inlet 402 or a second water inlet 404 is fixedly connected between the upper end of the frame and the upper end of the first filter flask 400 or between the upper ends of the second filter flask 500, and a first water outlet 410 or a second water outlet 405 is formed at the upper end of the frame, which is communicated with the inside of the first filter element assembly 401 or the inside of the second filter element assembly 403. The first cartridge assembly 401 and the second cartridge assembly 403 are inconsistent in filtration accuracy.

Further, a first drain port 406 is provided on the first filter flask 400, a first valve 407 is installed at the first drain port 406, a second drain port 408 is provided on the second filter flask 500, and a second valve 409 is installed at the second drain port 408. The first valve 407 and the second valve 409 are opened when cartridge cleaning is required. As shown in fig. 2, after the first valve 407 and the second valve 409 are opened, the water in the first filter flask 400 and the trapped impurities directly flow out of the first drain port 406. Part of the water continues to pass through the first filter element assembly 401, then enters the second filter flask 500 through the first water outlet 410, the first water outlet channel 605, the transition channel 207 and the second water inlet 404, and is discharged from the second water outlet 408 together with impurities trapped by the second filter element assembly 403 in the second filter flask 500. The first valve 407 and the second valve 409 are various in kinds as long as the opening and closing functions of the valves can be achieved. The first valve 407 and the second valve 409 are preferably ball valves. The specific structure of the first valve 407 and the second valve 409 are not technical content of the pre-protection of the present application, and the specific structure and the working principle thereof are conventional technologies in the art, and when implementing the technical scheme of the present patent, a person skilled in the art can directly purchase from the market.

Further, the water inlet end 101 and the water outlet end 102 are respectively provided with external threads. The water inlet end 101 and the water outlet end 102 are respectively connected with the water inlet pipe and the water outlet pipe through nuts.

Further, the outer butt joint pipe 103 is provided with a large ring groove 110, the outer butt joint pipe 103 is sleeved in the upper butt joint 201, a plurality of bolt holes 111 are formed around the upper butt joint 201, bolt pieces 112 are respectively inserted into the bolt holes 111, the bolt pieces 112 respectively extend into the large ring groove 110, the upper butt joint 201 is sleeved with a collar 113, the bolt pieces 112 are positioned in the collar 113, and a plurality of sealing rings are arranged between the outer butt joint pipe 103 and the upper butt joint 201. Collar 113 forms a limiting function on pin sheet 112, and collar 113 is fastened with upper butt joint 201. The pin piece 112 is matched with the large ring groove 110, so that the valve head 200 can rotate by any angle relative to the universal seat 100, and the installation and maintenance requirements under different installation environments are met.

Further, a pressure relief opening 114 is provided on one side of the valve head 200, the pressure relief opening 114 is communicated with the second water inlet channel 704, and a fastening piece 115 is screwed in the pressure relief opening 114. The emergency can unscrew the fastener 115 and drain and release the pressure through the pressure release port 114.

Further, the water diversion pipe 701 is funnel-shaped, a plurality of support rods 710 are connected in the water diversion pipe 701, the lower ends of the support rods 710 are connected with the inner wall of the water diversion pipe 701, and the lower ends of the support rods 710 extend out of the water diversion pipe 701 to prop against the top of the second water diversion cavity. The water diversion pipe 701 is funnel-shaped to increase the flow rate of the second water inlet passage 704. The support bar 710 supports the top of the second water diversion chamber, maintaining the stability of the second water diversion device 700 in the second water diversion chamber.

Further, the water outlet joint 302 is sleeved in the inner butt joint pipe 104, and a sealing ring is arranged between the water outlet joint 302 and the inner butt joint pipe 104; a sealing ring is arranged between the water inlet joint 303 and the inner outlet 205; sealing rings are respectively arranged between the upper end of the outer sleeve 601 and the inner wall of the first water distribution cavity and between the lower end of the outer sleeve 601 and the inner wall of the first water distribution cavity; sealing rings are respectively arranged between the upper end of the water diversion pipe 701 and the inner wall of the first water diversion cavity and between the water diversion ring 702 and the inner wall of the first water diversion cavity; a sealing ring is arranged between the first filter flask 400 and the first lower butt joint 202, and a sealing ring is arranged between the second filter flask 500 and the second lower butt joint 203. The number and the positions of the sealing rings are determined according to actual needs, and the sealing rings are mainly used for improving the sealing performance of the connecting positions of all the components, ensuring that water flows advance according to a set route and ensuring that no water leaks.

It should be noted that technical features of the first filter flask 400, the second filter flask 500, the first valve 407, the second valve 409 and the like related to the present application should be considered as the prior art, and specific structures, working principles, control modes and spatial arrangements of the technical features may be selected conventionally in the art, and should not be considered as the utility model point of the present application, and the present application is not further specifically described in detail.

While the preferred embodiments of the present utility model have been described in detail, it should be appreciated that numerous modifications and variations may be made in accordance with the principles of the present utility model by those skilled in the art without undue burden, and thus, all technical solutions which may be obtained by logic analysis, reasoning or limited experimentation based on the principles of the present utility model as defined by the claims are within the scope of protection as defined by the present utility model.

Claims

1. A universal double-prepositive filter is characterized by comprising a universal seat, a valve head, a universal lining, a first filter flask, a second filter flask, a first water separator and a second water separator,

The valve head is internally provided with a valve cavity, the upper end of the valve head is provided with an upper butt joint, the lower end of the valve head is provided with a first lower butt joint and a second lower butt joint, the upper butt joint is rotatably connected with an outer butt joint pipe, the inside of the valve cavity is fixedly connected with a partition plate, the partition plate divides the valve cavity into a first water distribution cavity and a second water distribution cavity, the second water distribution cavity is communicated with the upper butt joint through an inner outlet, the first water distribution cavity is communicated with the upper butt joint through an inner inlet, and a transition channel is arranged on the partition plate;

2. The universal dual prefilter of claim 1, wherein said water inlet and outlet ends are each provided with external threads.

3. The universal dual prefilter of claim 1, wherein one side of said valve head is provided with a pressure relief port communicating with a second water inlet passage, and wherein a fastener is threadedly connected to said pressure relief port.

4. The universal double-prefilter of claim 1, wherein the water diversion pipe is funnel-shaped, a plurality of support rods are connected in the water diversion pipe, the lower ends of the support rods are fixedly connected with the inner wall of the water diversion pipe, and the lower ends of the support rods extend out of the water diversion pipe to prop against the top of the second water diversion cavity.

5. The universal double prefilter of claim 1, wherein said water outlet fitting is inserted into the inner mating tube, a seal ring being provided between the water outlet fitting and the inner mating tube; a sealing ring is arranged between the water inlet joint and the inner outlet; sealing rings are respectively arranged between the upper end of the outer sleeve and the inner wall of the first water distribution cavity, and between the lower end of the outer sleeve and the inner wall of the first water distribution cavity; sealing rings are respectively arranged between the upper end of the water diversion pipe and the inner wall of the first water diversion cavity, and between the water diversion ring and the inner wall of the first water diversion cavity; and a sealing ring is arranged between the first filter flask and the first lower butt joint, and a sealing ring is arranged between the second filter flask and the second lower butt joint.