CN212327579U

CN212327579U - Front filter

Info

Publication number: CN212327579U
Application number: CN202020505297.8U
Authority: CN
Inventors: 艾穗江; 邓海燕
Original assignee: Guangdong Macro Gas Appliance Co Ltd
Current assignee: Guangdong Macro Gas Appliance Co Ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-01-12
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a pre-filter, comprising: a casing, wherein the casing comprises a water inlet, a water outlet, a first chamber and a second chamber, and the water inlet and the water outlet are both arranged at On the upper part of the housing, the first chamber and the second chamber are both arranged in the housing, the water inlet is communicated with the top of the first chamber, and the first chamber is The lower part is communicated with the lower part of the second chamber, and the top of the second chamber is communicated with the water outlet; a filter screen, the filter screen is arranged between the first chamber and the second chamber At the communication place, the filter screen separates the first chamber and the second chamber; and an ultraviolet lamp is arranged in the second chamber. The pre-filter of the utility model achieves the effect of filtering large particulate matter. After the water flows into the second chamber, the ultraviolet lamp in the second chamber sterilizes the water, thereby improving the sterilization ability of the pre-filter. The utility model can be applied to filtering equipment.

Description

Front filter

Technical Field

The utility model relates to a filtration equipment field, in particular to leading filter.

Background

People's life can not leave the boiling water, along with the improvement of living standard, people put forward higher requirement to the quality of water of domestic water, for improving the quality of water of domestic water, people often install leading filter in the front end of water pipe line at present, and leading filter mainly used filters large particulate matter such as silt, iron rust in aquatic. Tap water is generally sterilized before being conveyed, however, bacteria are easy to breed in the processes of conveying water, storing water towers and the like, the bacteria pollute the water, and the sterilizing capability of the existing prefilter is poor.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a prefilter to solve one or more of the problems of the prior art, and to provide at least one of the advantages of the present invention.

The technical scheme adopted for solving the technical problems is as follows:

a pre-filter, comprising:

the water inlet and the water outlet are arranged at the upper part of the shell, the first cavity and the second cavity are arranged in the shell, the water inlet is communicated with the top of the first cavity, the lower part of the first cavity is communicated with the lower part of the second cavity, and the top of the second cavity is communicated with the water outlet;

the filter screen is arranged at the communication position of the first chamber and the second chamber and separates the first chamber from the second chamber;

an ultraviolet lamp disposed within the second chamber.

The utility model has the advantages that: the water inlet sets up in the upper portion of casing, water gets into first cavity from the water inlet in, the silt of aquatic, large particulate matter such as iron rust sinks to the bottom of first cavity, first cavity sets up the filter screen with second cavity bottom intercommunication department, the silt of aquatic, large particulate matter such as iron rust is intercepted by the filter screen, the silt of aquatic, large particulate matter such as iron rust is piled up to first cavity bottom, realize filtering silt, the effect of large particulate matter such as iron rust, water flows behind the second cavity, the ultraviolet lamp in the second cavity carries out germicidal treatment to water, water after the germicidal treatment is discharged from the delivery port at second cavity top, the bactericidal capability of leading filter is improved.

As a further improvement of the above technical scheme, the bottom of the second chamber is open, the filter screen is the hollow cylinder structure of vertical setting, the open-top of filter screen, the top of filter screen is connected the bottom of second chamber, the filter screen with there is the clearance between the inside wall of casing, the filter screen with regional formation between the casing inside wall first chamber, the ultraviolet lamp set up in the top of second chamber.

The filter screen is the hollow cylinder structure, the open-top of filter screen, and the bottom of second cavity is uncovered, and the filter screen sets up in second cavity bottom, and the filter area of increase filter screen avoids leading filter to block up the filter screen after using for a long time, and the delivery port at top flows through all water in the second cavity, and the ultraviolet lamp sets up in second cavity top, all passes through shining of ultraviolet lamp before rivers flow, improves the bactericidal efficiency of ultraviolet lamp.

As a further improvement of the above technical scheme, the housing further comprises an upper housing and a lower housing, the lower housing is arranged at the bottom of the upper housing, the top of the lower housing is detachably connected with the bottom of the upper housing in a sealing manner, and the top of the filter screen is detachably connected with the bottom of the second chamber in a sealing manner.

The casing comprises lower casing and last casing, when needs change the filter screen, wash the filter screen, dismantles the filter screen again earlier with lower casing for the change of filter screen, washing, maintenance are more convenient.

As a further improvement of the above technical scheme, the top of the lower casing is a cylinder, the top outer side wall of the lower casing is provided with an external thread, the bottom of the upper casing is a round hole, the bottom inner wall of the upper casing is provided with an internal thread, the top of the lower casing is in threaded connection with the bottom of the upper casing, the outer wall of the top of the filter screen is matched with the inner wall of the bottom of the second chamber, the top of the filter screen is inserted into the bottom of the second chamber, and the top of the filter screen is in interference fit with the bottom of the second chamber.

The upper shell is in threaded connection with the lower shell, so that the sealing performance is good, and the connection strength is high; the top of filter screen and the bottom interference fit of second cavity, the simple structure of filter screen is easily produced, changes the cost reduction of filter screen.

As above-mentioned technical scheme's further improvement, first cavity includes the fixed block, the fixed block is fixed set up in first cavity bottom, the top of fixed block is "L" type, the fixed block includes spacing portion and butt portion, spacing portion butt the bottom lateral wall of filter screen, butt portion butt the diapire of filter screen, the fixed block has a plurality ofly, all the fixed block distribute in filter screen bottom edge.

The fixed block is "L" type, the bottom lateral wall of the spacing portion butt filter screen of fixed block, the diapire of the butt filter screen of fixed block, a plurality of fixed block common fixation filter screens, the second cavity is connected at the top of filter screen for the filter screen is not fragile with the junction of second cavity.

As a further improvement of the above technical solution, the housing further includes a mounting hole, the mounting hole set up in the top of the housing, the mounting hole runs through the top side wall of the housing, the mounting hole communicates the top of the second chamber, the ultraviolet lamp includes a mounting seat, the ultraviolet lamp set up in on the mounting seat, the mounting seat can be dismantled sealing connection in the mounting hole, the ultraviolet lamp orientation the inside of the second chamber.

The top of casing sets up the mounting hole, and the mounting hole runs through the lateral wall of casing and communicates the second cavity, and the ultraviolet lamp sets up the mount pad, and sealing connection can be dismantled in the mounting hole to the mount pad, and the ultraviolet lamp is towards in the second cavity for the installation of ultraviolet lamp convenient to detach is favorable to the change maintenance and the maintenance of ultraviolet lamp.

As a further improvement of the above technical solution, the ultraviolet lamps are ultraviolet LEDs, the ultraviolet lamps are multiple, all of the ultraviolet lamps are disposed on the mounting seat, and all of the ultraviolet lamps face the inside of the second chamber.

The ultraviolet lamps are ultraviolet LEDs, and because the ultraviolet LEDs are low in power and weak in sterilization capacity, a plurality of ultraviolet lamps are arranged, and the ultraviolet lamps irradiate water in the second chamber together, so that the sterilization effect is improved; all ultraviolet lamps are all installed on the mount pad, compact structure, and ultraviolet LED is small, the structure is firm, and the ultraviolet lamp is installed in the casing, and when the ultraviolet lamp received striking, vibration in the process such as leading filter production, transportation, installation, the ultraviolet lamp is not fragile, improves the reliability of ultraviolet lamp.

As a further improvement of the technical scheme, the device further comprises a drain pipe and a drain valve, wherein the drain pipe is arranged at the bottom of the shell and communicated with the bottom of the first cavity, and the drain valve is arranged on the drain pipe.

Silt, pile up in the bottom of first cavity after large particulate matter such as rust is intercepted by the filter screen, the blow off pipe communicates with the bottom of first cavity, open behind the blowoff valve with silt, large particulate matter such as rust discharges, in addition, when opening the blowoff valve, because still store the water after the filtering purification in the second cavity, the filter screen is flowed through to the water backward in the second cavity, water in the second cavity erodees the filter screen, realize the back flush function, avoid leading filter to use for a long time after blockking up.

As a further improvement of the technical scheme, the ultraviolet lamp water heater further comprises a water flow sensor and a controller, wherein the water flow sensor is arranged in the water outlet, the water flow sensor is electrically connected with the controller, and the controller is electrically connected with the ultraviolet lamp.

The delivery port sets up the rivers sensor, and when the rivers sensor detected the delivery port and had rivers to flow, during the rivers sensor sent signal to the controller, controller control ultraviolet lamp opened for opening of ultraviolet lamp is more intelligent, avoids the ultraviolet lamp to open for a long time and causes the reduction in life-span.

Drawings

The present invention will be further explained with reference to the drawings and examples;

FIG. 1 is an isometric view of an embodiment of a pre-filter provided by the present invention;

FIG. 2 is an elevation view of an embodiment of a pre-filter provided by the present invention;

fig. 3 is a cross-sectional view of an embodiment of a pre-filter according to the present invention.

100. The device comprises a shell, 101, a water inlet, 102, a water outlet, 103, an upper shell, 104, a lower shell, 110, a first cavity, 111, a fixing block, 112, a limiting part, 113, an abutting part, 120, a second cavity, 130, a mounting hole, 200, a filter screen, 300, an ultraviolet lamp, 301, a mounting seat, 400, a sewage discharge pipe, 401 and a sewage discharge valve.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, the prefilter of the present invention is made as follows:

the pre-filter comprises a shell 100, an accommodating inner cavity is arranged in the shell 100, the shell 100 is formed by combining an upper shell 103 and a lower shell 104, the bottom of the upper shell 103 is detachably and hermetically connected with the top of the lower shell 104, for example, a through hole is formed in the bottom of the upper shell 103, the appearance of the top of the lower shell 104 is matched with the through hole in the bottom of the upper shell 103, the top of the lower shell 104 is in interference fit with the through hole in the bottom of the upper shell 103, and a sealing strip is arranged at the matching position of the top of the lower shell 104 and the through hole in the bottom of the upper shell 103, so that; in this embodiment, the bottom of going up casing 103 sets up the round hole, the top of casing 104 is the cylinder down, the top appearance of casing 104 and the round hole appearance phase-match of last casing 103 bottom down, set up the external screw thread on the top lateral wall of casing 104 down, the round hole of going up casing 103 bottom sets up the internal thread, the top of casing 104 and the round hole threaded connection of last casing 103 bottom down, the round hole junction that can also be at the top of casing 104 and last casing 103 bottom down sets up the sealing washer, threaded connection's sealing performance is improved, sealing connection can be dismantled in the realization.

The upper portion of the shell 100 is provided with a water inlet 101 and a water outlet 102, namely, the upper portion of the upper shell 103 is provided with the water inlet 101 and the water outlet 102, the water inlet 101 and the water outlet 102 are respectively arranged on two sides of the upper shell 103, the inside of the upper shell 103 is provided with a second chamber 120, the inside of the lower shell 104 is provided with a first chamber 110, the water inlet 101 is communicated with the first chamber 110, the upper portion of the first chamber 110 is communicated with the bottom of the second chamber 120, and the top of the second chamber 120 is communicated with the water outlet 102, so that the water inlet 101, the first chamber 110, the second chamber 120 and the water outlet 102 are sequentially communicated to form.

Filter screen 200 is connected to the bottom of second chamber 120, filter screen 200 separates first chamber 110 and second chamber 120, filter screen 200 is the hollow cylinder structure, filter screen 200's open-top, filter screen 200's top intercommunication second chamber 120, filter screen 200's inside and second chamber 120 intercommunication, filter screen 200 is vertical to be set up in first chamber 110, filter screen 200 is by second chamber 120 bottom downwardly extending, filter screen 200's bottom offsets with first chamber 110's bottom, it is gapped between filter screen 200's the lateral wall and the inside wall of lower casing 104, filter screen 200 separates first chamber 110 between the inside wall of lower casing 104 and filter screen 200's lateral wall. The top of the filter screen 200 is detachably and hermetically connected with the bottom of the second chamber 120, for example, the top of the filter screen 200 is a cylinder, the outer side wall of the top of the filter screen 200 is provided with external threads, the bottom of the second chamber 120 is a round hole, the round hole at the bottom of the second chamber 120 is matched with the top of the filter screen 200 in shape, the inner wall of the round hole at the bottom of the second chamber 120 is provided with internal threads, and the top of the filter screen 200 is in threaded connection with the round hole at the bottom of the second chamber 120 to realize detachable and hermetic connection; in this embodiment, the bottom of second chamber 120 sets up the through-hole, the top appearance of filter screen 200 and the through-hole shape phase-match of second chamber 120 bottom, insert in the through-hole of second chamber 120 bottom at the top of filter screen 200, the top of filter screen 200 and the through-hole interference fit of second chamber 120 bottom, the top of filter screen 200 is provided with the buckle, the through-hole department of second chamber 120 bottom sets up the draw-in groove, after the through-hole of second chamber 120 bottom was inserted at the top of filter screen 200, the buckle joint at filter screen 200 top sets up the sealing washer in the draw-in groove of second chamber 120 bottom through-hole, the junction of the through-hole of top and second chamber 120 bottom at filter screen 200, improve the sealing performance of connection.

Filter screen 200 can be metal filter screen, textile fiber filter screen etc, the inside support that sets up of filter screen 200, the support is inside hollow cylinder structure, set up a plurality of through-holes that link up the lateral wall on the lateral wall of support, make the support form hollow out construction, filter screen 200 surrounds the lateral wall of support, filter screen 200 laminates and realizes the filter effect on the lateral wall of support, the inside that the water in the first cavity 110 got into the support after filter of filter screen 200, realizes the filter effect. In this embodiment, the filter screen 200 is a stainless steel filter screen, which has the characteristics of corrosion resistance, high strength and impact resistance.

The bottom of first cavity 110 sets up fixed block 111, fixed block 111 is "L" type, fixed block 111 includes spacing portion 112 and butt portion 113, form an contained angle between spacing portion 112 and the butt portion 113, butt portion 113 flushes with the diapire of filter screen 200, butt portion 113 and the diapire looks butt of filter screen 200, spacing portion 112 and the bottom lateral wall butt of filter screen 200, fixed block 111 has a plurality ofly, all fixed blocks 111 set up in the bottom edge of filter screen 200, all fixed blocks 111 evenly distributed are at the bottom edge of filter screen 200, fixed block 111 is fixed to the bottom of filter screen 200.

The bottom of the first chamber 110 is provided with a drain pipe 400, the drain pipe 400 is communicated with the first chamber 110, the drain pipe 400 is arranged below the filter screen 200, the inlet of the drain pipe 400 is arranged at the center of the bottom of the filter screen 200, a drain valve 401 is arranged on the drain pipe 400, and the drain pipe 400 can be opened or closed by the drain valve 401.

The top of the upper shell 103 is provided with a mounting hole 130, the mounting hole 130 is arranged at the top of the second chamber 120, the mounting hole 130 penetrates through the top wall of the upper shell 103, the mounting hole is communicated with the inside of the second chamber 120, the ultraviolet lamp 300 is inserted into the mounting hole 130, the ultraviolet lamp 300 faces the inside of the second chamber 120, the ultraviolet lamp 300 is provided with a mounting seat 301, the mounting seat 301 is detachably and hermetically connected with the mounting hole 130, for example, the mounting seat 301 is matched with the mounting hole 130 in shape, the mounting seat 301 is inserted into the mounting hole 130, the mounting seat 301 is in interference fit with the mounting hole 130, the joint of the mounting seat 301 and the mounting hole 130 is sealed by a sealing strip, and the sealing performance is improved; in this embodiment, mount pad 301 is the cylinder, and mounting hole 130 is the round hole, and mount pad 301's appearance and mounting hole 130's appearance phase-match set up the external screw thread on mount pad 301's the lateral wall, set up the internal thread on mounting hole 130's the inner wall, threaded connection between mount pad 301 and the mounting hole 130 realizes dismantling sealing connection. After mount pad 301 is installed in mounting hole 130, ultraviolet lamp 300 stretches into inside second chamber 120, the ultraviolet lamp carries out germicidal treatment to the water in the second chamber 120, in this embodiment, ultraviolet lamp 300 is ultraviolet LED, ultraviolet LED's compact structure, small, it is not fragile when receiving the vibration striking, ultraviolet lamp 300 has a plurality ofly, all ultraviolet lamps 300 set up in the bottom of mount pad 301, all ultraviolet lamps 300 evenly distributed is in the bottom of mount pad 301, be provided with the wiring hole in the mount pad 301, all ultraviolet lamps 300's connecting wire passes through the wiring hole and is connected with the power electricity, the power is ultraviolet lamp 300's power supply.

The water flow sensor is arranged in the water outlet 102, the controller is arranged on the shell 100 and is electrically connected with the controller, the controller is electrically connected with all the ultraviolet lamps 300, when water flows in the water outlet 102, the water flow sensor detects water flow, the water flow sensor sends an electric signal to the controller, the controller controls all the ultraviolet lamps 300 to be started, and all the ultraviolet lamps 300 perform sterilization treatment on the water in the second chamber 120.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A pre-filter, characterized by: the method comprises the following steps:

the water inlet (101) is communicated with the top of the first chamber (110), the lower part of the first chamber (110) is communicated with the lower part of the second chamber (120), and the top of the second chamber (120) is communicated with the water outlet (102);

a screen (200), said screen (200) being disposed in communication with said first chamber (110) and said second chamber (120), said screen (200) separating said first chamber (110) from said second chamber (120);

an ultraviolet lamp (300), the ultraviolet lamp (300) disposed within the second chamber (120).

2. The prefilter of claim 1 wherein: the bottom of second cavity (120) is uncovered, filter screen (200) are the hollow cylinder structure of vertical setting, the open-top of filter screen (200), the bottom of second cavity (120) is connected at the top of filter screen (200), filter screen (200) with it is gapped between the inside wall of casing (100), filter screen (200) with regional formation between casing (100) inside wall first cavity (110), ultraviolet lamp (300) set up in the top of second cavity (120).

3. The prefilter of claim 2 wherein: casing (100) still include casing (103) and casing (104) down, casing (104) down set up in the bottom of last casing (103), the sealed connection in can dismantling in the top of casing (104) down in the bottom of last casing (103), the sealed connection in can dismantling in the top of filter screen (200) in the bottom of second chamber (120).

4. The prefilter of claim 3 wherein: the top of casing (104) is the cylinder down, the top lateral wall of casing (104) sets up the external screw thread down, the bottom of going up casing (103) is the round hole, the bottom inner wall of going up casing (103) sets up the internal thread, down the top of casing (104) with the bottom threaded connection of going up casing (103), the appearance of filter screen (200) top outer wall with the appearance of second cavity (120) bottom inner wall cooperatees, insert the top of filter screen (200) the bottom of second cavity (120), the top of filter screen (200) with the bottom interference fit of second cavity (120).

5. The prefilter of claim 2 wherein: first cavity (110) include fixed block (111), fixed block (111) fixed set up in first cavity (110) bottom, the top of fixed block (111) is "L" type, fixed block (111) are including spacing portion (112) and butt portion (113), spacing portion (112) butt the bottom lateral wall of filter screen (200), butt portion (113) butt the diapire of filter screen (200), fixed block (111) have a plurality ofly, all fixed block (111) distribute in filter screen (200) bottom edge.

6. The prefilter of claim 1 wherein: casing (100) still includes mounting hole (130), mounting hole (130) set up in the top of casing (100), mounting hole (130) run through the top lateral wall of casing (100), mounting hole (130) intercommunication the top of second cavity (120), ultraviolet lamp (300) include mount pad (301), ultraviolet lamp (300) set up in on mount pad (301), seal connection can be dismantled in mount pad (301) in mounting hole (130), ultraviolet lamp (300) orientation the inside of second cavity (120).

7. The prefilter of claim 6 wherein: the ultraviolet lamps (300) are ultraviolet LEDs, the ultraviolet lamps (300) are multiple, all the ultraviolet lamps (300) are arranged on the mounting seat (301), and all the ultraviolet lamps (300) face the inside of the second chamber (120).

8. The prefilter of claim 1 wherein: the sewage treatment device is characterized by further comprising a sewage discharge pipe (400) and a sewage discharge valve (401), wherein the sewage discharge pipe (400) is arranged at the bottom of the shell (100), the sewage discharge pipe (400) is communicated with the bottom of the first cavity (110), and the sewage discharge valve (401) is arranged on the sewage discharge pipe (400).

9. The prefilter of claim 1 wherein: still include rivers sensor and controller, rivers sensor set up in delivery port (102), rivers sensor with the controller electricity is connected, the controller with ultraviolet lamp (300) electricity is connected.