CN210993326U

CN210993326U - Prefilter with switch

Info

Publication number: CN210993326U
Application number: CN201921904721.XU
Authority: CN
Inventors: 白红创
Original assignee: Ningbo Hongxiangrui Environmental Protection Technology Co ltd
Current assignee: NINGBO XING ZHI HANG ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD.
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-07-14
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a pre-filter with a switch, which comprises a filter flask, a filter element, a filter cover, a valve core and a filter inner core, wherein the filter element is sleeved in the filter flask; has the advantages that: the practicality, low in production cost, novel structure closes the valve, unpacks apart filter flask and filter lid, can realize the change to the filter core, and the step is simple, need not staff's service of going to the door, the user clear up by oneself change can, convenient to use, very big reduction user's use cost.

Description

Prefilter with switch

Technical Field

The utility model relates to a filter equipment, in particular to leading filter of band switch.

Background

The water purifier is used for improving the using effect of water household appliances such as water purifiers, intelligent toilets, washing machines, electric water heaters and the like, reducing the harm of impurities or other harmful organic matters in water to the water household appliances and prolonging the service life of the water household appliances. Usually, a filter is installed on a pipeline, and the existing filter does not have the function of a switch and is not convenient enough to use.

In addition, in the use process, when water flow is under the action of water pressure, the water flow is filtered by the filter element of the filter, and most of impurities and organic matters in the tap water are filtered; meanwhile, in regions with serious scale in China, the scale inhibitor can be filled in the inner core of the filter, so that the formation of the scale is reduced, and the water appliances can be effectively protected. The filter on the existing market is simple and easy to filter, only a filter screen is provided, when the filter intercepts more impurities, the filter needs to be opened and cleaned very trouble, and the filter needs to be closed outdoors to clean a tap water valve, so that the use is not convenient enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art not enough, provide a leading filter of band switch.

In order to achieve the above object, the present invention takes the following measures:

a pre-filter with a switch comprises a filter filtering bottle, a filter element, a filter filtering cover, a valve core and a filter inner core, wherein the filter element is sleeved in the filter filtering bottle;

a card fixing groove is formed in the opening of the valve core cavity, the fixing card is clamped in the card fixing groove, the valve core is fixed in the valve core cavity, a cover lower sealing surface is arranged at the inner bottom of the cover internal thread interface, and a cover upper sealing surface is arranged at the inner bottom of the cover water outlet;

the valve core comprises a valve body and a valve core wrench connected to the valve body, a valve core water inlet channel is formed in the valve body, a plurality of valve body elliptical sealing grooves are formed in the outer walls of the left side and the right side of the valve body respectively, valve body elliptical sealing rings are pressed into the valve body elliptical sealing grooves, at least two valve body upper sealing grooves are formed in the upper portions of the valve body elliptical sealing grooves in the circumferential direction, valve body upper sealing rings are pressed into the valve body upper sealing grooves, a valve rod threaded hole is formed in the top of a valve rod of the valve body, and the valve;

the filter filtering bottle comprises a filter bottle body, the top of the filter bottle body is provided with a bottle body external thread interface in threaded connection with the cover internal thread interface, a bottle body sealing groove is formed in the upper portion of the bottle body external thread interface along the circumferential direction, a bottle body sealing ring is pressed in the bottle body sealing groove, a bottle body decorating ring fixing and positioning surface is formed in the lower portion of the bottle body external thread interface along the circumferential direction, and a bottle body decorating ring is sleeved outside the bottle body decorating ring fixing and positioning surface;

the filter element comprises a filter element filtering layer, the top of the filter element filtering layer is connected with a filtering layer upper cover, the bottom of the filter element filtering layer is connected with a filtering layer lower cover, a filtering layer sealing groove is formed in the filtering layer upper cover, a filtering layer sealing gasket is pressed in the filtering layer sealing groove, and a positioning protrusion device between a filter bottle and the filter cover extends out of the outer side of the filtering layer upper cover;

the filter inner core include the cavity, placed the filter material in the cavity, the lower part of cavity sets up to inner core water inlet, top and sets up to the inner core delivery port, has seted up the inner core seal groove along the circumferencial direction near top position on the outer wall of cavity, the inner core sealing washer has been impressed in this inner core seal groove, set up the centre bore of placing the filter inner core in the middle of the filter layer upper cover, the cavity top sets up to the face of weld, the welding has the inner core filter layer on this face.

The utility model has the advantages that: the practicality, low in production cost, novel structure closes the valve, unpacks apart filter flask and filter lid, can realize the change to the filter core, and the step is simple, need not staff's service of going to the door, the user clear up by oneself change can, convenient to use, very big reduction user's use cost.

Drawings

Fig. 1 is a schematic view of the exploded structure of the present invention.

Fig. 2 is an exploded schematic view of the valve core of the present invention.

Fig. 3 is an exploded schematic view of the filter cover of the present invention.

Fig. 4 is an exploded schematic view of the filter flask of the present invention.

Fig. 5 is an exploded view of the filter cartridge of the present invention.

Fig. 6 is a schematic view of an exploded structure of the filter core of the present invention.

Detailed Description

The utility model provides a take leading filter of switch, strains lid 3, case 2 and filter inner core 6 including filter flask 4, filter core 5, filter core 5 cover establish in filter flask 4, filter inner core 6 covers establishes in filter core 5, filter strains 3 threaded connection on filter flask 4 of lid, filter strain lid 3 including covering internal thread interface 307, lid water inlet 301, lid delivery port 304 and case cavity 302, case cavity 302 sets up on the pipeline between lid water inlet 301 intercommunication filter flask 4 is inside, case 2 cup joints in case cavity 302.

According to the filter of the technical scheme, when the inner core 6 of the filter needs to be replaced, the valve core 2 is closed, the filter flask 4 of the filter is opened in a rotating mode, the filter core 5 of the filter is taken out, then the new filter core 5 of the filter is placed, and the filter flask 4 of the filter and the filter cover 3 of the filter are spliced.

The opening of the valve core cavity 302 is provided with a card fixing groove 303, the fixing card 203 is clamped in the card fixing groove 303, the valve core 2 is fixed in the valve core cavity 302, the inner bottom of the cover internal thread interface 307 is provided with a cover lower sealing surface 306, and the inner bottom of the cover water outlet 304 is provided with a cover upper sealing surface 305.

The filter cover 3 and the valve core 2 are fixed by a fixing clamp 203, so that the installation is convenient; the filter filtering cover 3 and the filter filtering bottle 4 are connected in the aspect of adopting threaded connection or other rotating clamping types, the sealing device has good sealing performance in the aspect of disassembly and assembly, and after the product is installed, when the filter element is replaced or disassembled and washed, the valve core 2 only needs to be closed, and the filter filtering bottle 4 is rotated to realize the disassembly and assembly between the two, so that the use by a user is facilitated.

Valve core 2 include valve body 210 and the valve core spanner 202 of connection on valve body 210, seted up valve core inhalant canal 209 in the valve body 210, a plurality of oval seal grooves 208 of valve body have all been seted up on the outer wall of the valve body 210 left and right sides, the interior income of oval seal groove 208 of valve body has the oval sealing washer 207 of valve body, the upper portion of the oval sealing groove 208 of valve body has seted up two at least seal grooves 206 on the valve body along the circumferencial direction, the interior income of seal groove 206 on the valve body has the upper sealing washer 204 of valve body, valve rod screw hole 205 has been seted up at the valve rod top of valve body 210.

Filter flask 4 include filter bottle 405, the top of filter bottle 405 sets up to bottle external screw thread interface 406 with lid internal screw thread interface 307 threaded connection, bottle seal groove 403 has been seted up along the circumferencial direction in the top of bottle external screw thread interface 406, it has bottle sealing washer 401 to press in the bottle seal groove 403, bottle decoration circle fixing location face 404 has been seted up along the circumferencial direction in the below of bottle external screw thread interface 406, the outside cover that bottle decoration circle fixing location face 404 was equipped with bottle decoration circle 402.

The filter element 5 comprises a filter element filtering layer 505, the top of the filter element filtering layer 505 is connected with a filtering layer upper cover 502, the bottom of the filter element filtering layer 505 is connected with a filtering layer lower cover 506, a filtering layer sealing groove 503 is arranged in the filtering layer upper cover 502, a filtering layer sealing gasket 501 is pressed in the filtering layer sealing groove 503, and a positioning projection device 504 between the filter bottle 4 and the filter cover 3 extends out of the outer side of the filtering layer upper cover 502.

The filter element filtering layer 505 can be a steel wire filter screen (with a matched bracket inside) or other cylindrical filter element filtering layer 505; the bottom is provided with a completely sealed filter layer bottom cover 506.

The filter inner core 6 comprises a cavity 602, a filter material is placed in the cavity 602, an inner core water inlet 601 is formed in the lower portion of the cavity 602, an inner core water outlet 604 is formed in the top portion of the cavity 602, an inner core sealing groove 603 is formed in the outer wall of the cavity 602 and is close to the top portion of the cavity along the circumferential direction, an inner core sealing ring 606 is pressed in the inner core sealing groove 603, a center hole for placing the filter inner core 6 is formed in the middle of a filter layer upper cover 502, the top portion of the cavity 602 is formed into a welding face 605.

The welding surface 605 is welded with the inner core filtering layer 607 to form a cavity 602 of the filter inner core 6, and the cavity 602 can be filled with granular filtering materials.

The water flows through the cover water inlet 301 of the filter filtering cover 3, the valve core water inlet channel 209 of the valve core 2, the filter core filtering layer 505 of the filter core 5, the filtering layer upper cover 502, the inner core water inlet 601, the inner core water outlet 604 and the cover water outlet 304 of the filter filtering cover 3.

Claims

1. The utility model provides a take leading filter of switch, strains lid (3), case (2) and filter inner core (6), its characterized in that including filter flask (4), filter core (5), filter: filter cartridge (5) cover establish in filter flask (4), filter inner core (6) cover establish in filter cartridge (5), filter strain lid (3) threaded connection on filter flask (4), filter strain lid (3) including covering internal thread interface (307), lid water inlet (301), lid delivery port (304) and case cavity (302), case cavity (302) are seted up on the pipeline between lid water inlet (301) intercommunication filter flask (4) are inside, case (2) cup joint in case cavity (302).

2. The pre-filter with switch of claim 1, wherein: the opening of the valve core cavity (302) is provided with a card fixing groove (303), the fixing card (203) is clamped in the card fixing groove (303), the valve core (2) is fixed in the valve core cavity (302), the inner bottom of the cover internal thread interface (307) is provided with a cover lower sealing surface (306), and the inner bottom of the cover water outlet (304) is provided with a cover upper sealing surface (305).

3. A pre-filter with switch according to claim 1 or 2, characterized in that: case (2) include valve body (210) and connect case spanner (202) on valve body (210), case inhalant canal (209) have been seted up in valve body (210), all seted up a plurality of oval seal grooves of valve body (208) on the outer wall of the valve body (210) left and right sides, the income has valve body oval sealing washer (207) in oval seal groove of valve body (208), seal groove (206) on two at least valve bodies have been seted up along the circumferencial direction on the upper portion of oval seal groove of valve body (208), the income has seal ring (204) on the valve body in seal groove (206), valve rod screw hole (205) have been seted up at the valve rod top of valve body (210), case spanner (202) are fixed on valve rod screw hole (205) through case screw (.

4. The pre-filter with switch of claim 3, wherein: filter filter flask (4) including filter bottle (405), the top of filter bottle (405) sets up to bottle external screw thread interface (406) with lid internal screw thread interface (307) threaded connection, bottle seal groove (403) have been seted up along the circumferencial direction in the top of bottle external screw thread interface (406), bottle sealing groove (403) the internal pressure has bottle sealing washer (401), bottle decoration circle fixed position face (404) have been seted up along the circumferencial direction in the below of bottle external screw thread interface (406), the outside cover of bottle decoration circle fixed position face (404) is equipped with bottle decoration circle (402).

5. The pre-filter with switch of claim 4, wherein: the filter element (5) comprises a filter element filtering layer (505), the top of the filter element filtering layer (505) is connected with a filtering layer upper cover (502), the bottom of the filter element filtering layer (505) is connected with a filtering layer lower cover (506), a filtering layer sealing groove (503) is formed in the filtering layer upper cover (502), a filtering layer sealing gasket (501) is pressed in the filtering layer sealing groove (503), and a positioning projection device (504) between a filter bottle (4) and a filter cover (3) extends out of the outer side of the filtering layer upper cover (502).

6. The pre-filter with switch of claim 5, wherein: filter inner core (6) include cavity (602), the filter material has been placed in cavity (602), the lower part of cavity (602) sets up to inner core water inlet (601), the top sets up to inner core delivery port (604), inner core seal groove (603) have been seted up along the circumferencial direction near the top position on the outer wall of cavity (602), the inner core sealing washer (606) have been impressed in this inner core seal groove (603), set up the centre bore of placing filter inner core (6) in the middle of filter layer upper cover (502), cavity (602) top sets up to face of weld (605), the welding has inner core filter layer (607) on this face of weld (605).