CN216825067U - Filtering device of tap water purifier - Google Patents

Abstract

The utility model discloses a filter equipment of tap water purifier, including upper cover, lower and filter core, the upper cover is installed on lower in order to form the filter chamber that holds the filter core, and the through-hole that has the external world of intercommunication and filter chamber is run through at the top of upper cover, is equipped with the floating member that is located the through-hole below in the filter chamber, and floating member and upper cover sliding connection float along with the water level of filter chamber from top to bottom to seal or open the through-hole. The utility model discloses a through-hole and the floating part of sliding connection in the through-hole below that are located the filter core top are set up at the top of upper cover, have discharged the air between liquid level and the upper cover, prevent to filter the air gathering of intracavity with the rising that prevents the water level between the top of liquid level and upper cover, guarantee that the rivers of filtering the intracavity can wrap up the periphery side at the filter core completely for the upper portion and the lower part of filter core all can filter rivers, carry out make full use of to the filter core, improve the filter effect.

Description

Filtering device of tap water purifier

Technical Field

The utility model belongs to the water purifier field, concretely relates to filter equipment of tap water purifier.

Background

The faucet water purifier is used for being connected to the end of a faucet, and water flowing out of the faucet enters the interior of the faucet water purifier and is filtered through the filter element to be used by a user. At present, tap water purifier on the market adopts the structure of setting up the filter core in the shell usually, because the top of shell is sealed, for the existence of gas between shell top and the rivers, can't continue to rise under the effect of atmospheric pressure after the water level in the shell reaches the take the altitude, leads to the unable abundant utilization that obtains of upper end of filter core.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to provide a filtering device for a faucet water purifier to solve at least one of the above problems.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a filter equipment of tap water purifier, includes upper cover, lower and filter core, and the upper cover is installed on lower in order to form the filter chamber that holds the filter core, and the through-hole that has the external world of intercommunication and filter chamber is run through at the top of upper cover, is equipped with the floating member that is located the through-hole below in the filter chamber, and floating member and upper cover sliding connection float along with the water level of filter chamber from top to bottom to seal or open the through-hole.

In the filtering device of the faucet water purifier, the floating part comprises a floater for opening and closing the bottom of the through hole and sliding blocks arranged on two sides of the floater, mounting columns are arranged on two sides of the through hole, sliding grooves extending along the axial direction of the through hole are formed in the mounting columns, and the sliding blocks are matched with the sliding grooves to prevent the floater from being separated from the upper cover.

In the above-mentioned filter equipment of tap water purifier, the upper cover is equipped with a plurality of guide posts, and a plurality of guide posts surround the through-hole setting, are equipped with a plurality of guiding holes with the guide post one-to-one on the float, and the guide post is pegged graft with the guiding hole and is in order to lead the float.

In the filtering device of the faucet water purifier, the height of the bottom surface of the float is gradually reduced from the periphery to the center, so that the bottom surface of the float forms a circular arc surface which is convex downwards.

In the filtering device of the faucet water purifier, the floating part further comprises a blocking head detachably connected to the top of the float, and when the float abuts against the outer periphery of the bottom of the through hole, the blocking head is inserted in the through hole in a sealing mode.

In the filtering device of the faucet water purifier, the floater is provided with the mounting hole, the mounting hole is internally provided with the insertion column, the plugging head is provided with the insertion groove, and the insertion groove is in insertion fit with the insertion column so that the plugging head is embedded in the mounting hole.

In the filtering device of the faucet water purifier, the through hole comprises the exhaust section and the blocking section positioned at the bottom of the exhaust section, and the inner wall of the blocking section is obliquely arranged so that the inner diameter of the blocking section is gradually reduced from bottom to top.

In the above-mentioned filter equipment of tap water purifier, the shutoff head includes the installation department that links to each other with the float and locates the guide part of installation department upper end, and the upper end of installation department is equipped with the sealed inclined plane that encircles the guide part setting, and when the through-hole was sealed to the float, the guide part was sealed pegged graft in the exhaust section, and sealed inclined plane was laminated with the inner wall of shutoff section mutually.

In the above-mentioned filter equipment of tap water purifier, the upper cover is including installing the lid on lower seat and locating the mechanism of washing of scraping of filter chamber, scrapes the mechanism of washing including the drive medium that scrapes the piece of washing and links to each other with scraping the piece top that encircles the filter core setting, and the top of drive medium is worn to establish on the lid and is connected with the lid rotation, and the through-hole is located on the drive medium.

In the above-mentioned filter equipment of tap water purifier, the upper cover is equipped with the shell that links to each other in order to drive the driving medium pivoted with the top of driving medium, and the shell cup joints in the lid outside in order to form the cavity with between the top of lid, runs through the exhaust hole that has intercommunication through-hole and cavity on the lateral wall of driving medium.

The beneficial effects of the utility model are that:

the utility model provides a filter equipment of tap water purifier, includes upper cover, lower and filter core, and the upper cover is installed on lower in order to form the filter chamber that holds the filter core, and the top of upper cover is run through there is the through-hole of the external world of intercommunication and filter chamber, is equipped with the floating member that is located the through-hole below in the filter chamber, and floating member and upper cover sliding connection float from top to bottom along with the water level in the filter chamber to seal or open the through-hole. The technical scheme has the following technical effects:

the utility model discloses a through-hole and sliding connection that set up to be located the filter core top at the top of upper cover are in the floating part below the through-hole, when making the water in the filter cavity not fill up, the through-hole is opened to the floating part under the effect of gravity, the air of liquid level top in the filter cavity receives the extrusion of rising water level and passes through the through-hole discharge filter cavity, when the water level reachd the position that the floating part located, the floating part rises jointly along with the water level under the effect of buoyancy, until gaseous whole discharge so that fill up water in the filter cavity, the floating part just seals the bottom of through-hole, in order to prevent rivers from flowing out from the through-hole, the setting of through-hole and floating part, the air between liquid level and the upper cover has been discharged, prevent that the air gathering in the filter cavity is between the top of liquid level and upper cover in order to prevent the rising of water level, guarantee that the rivers in the filter cavity can wrap up in the periphery side of filter core completely, make upper portion and the lower part of filter core all can filter the rivers, the filter element is fully utilized, and the filtering effect is improved.

The floating part comprises a floater used for opening and closing the bottom of the through hole and sliding blocks arranged on two sides of the floater, mounting columns are arranged on two sides of the through hole, sliding grooves extending along the axial direction of the through hole are formed in the mounting columns, and the sliding blocks are matched with the sliding grooves to prevent the floater from being separated from the upper cover. The slider is inserted in the sliding groove to prevent the float from being separated from the upper cover, the floating part is limited in the horizontal direction through the matching of the sliding groove and the slider, the floating part is prevented from translating or rotating in the horizontal direction, the floating part is always aligned with the lower part of the through hole, and the plugging effect of the floating part on the through hole is ensured.

Be equipped with a plurality of guide posts on the upper cover, a plurality of guide posts encircle the through-hole setting, be equipped with a plurality of and guide post one-to-one's guiding hole on the float, the guide post is pegged graft with the guiding hole and is guided the float, when the float rises, the guiding hole of pegging graft mutually carries on spacingly with the guide post to all sides of float, make all sides of float remove along vertical direction simultaneously, prevent that the float from taking place to rock and leading to the unable bottom of covering tight through-hole of float along with the water level in-process that rises, improve the stability that the float removed.

The height of the bottom surface of the floater is gradually reduced from the periphery to the center, so that the bottom surface of the floater forms a circular arc surface protruding downwards. The bottom surface of the floater is set to be the arc surface, so that in the water level rising process, the peripheral side stress of the bottom surface of the floater is more uniform, the bearing effect on the floater is better, and the stable rising of the floater is ensured.

The floating part also comprises a sealing head detachably connected to the top of the float, when the float abuts against the outer peripheral side of the bottom of the through hole, the sealing head is inserted into the through hole in a sealing mode, the peripheral side of the sealing head abuts against the inner wall of the through hole, the floating part is sealed for the first time, the peripheral side of the bottom of the through hole abuts against the outer peripheral side of the bottom of the through hole, the floating part is sealed for the second time, the sealing effect of the floating part on the through hole is enhanced, and water leakage of the through hole is prevented.

The float is provided with a mounting hole, the mounting hole is internally provided with an inserting column, the plugging head is provided with an inserting groove, the inserting groove is matched with the inserting column in an inserting mode so that the plugging head is embedded in the mounting hole, the assembling difficulty is reduced, the assembling efficiency is improved, meanwhile, the friction force between the plugging head and the float is enhanced, the connection tightness between the plugging head and the float is improved, the two is prevented from being separated in the process of sliding the floating piece up and down, and the stability of the operation of the floating piece is guaranteed.

The through-hole includes the exhaust section and is located the shutoff section of exhaust section bottom, the inner wall slope of shutoff section sets up, so that the internal diameter from bottom to top of shutoff section reduces gradually, when the floating piece rebound, the shutoff section leads to the shutoff head, make the shutoff head need not to aim at with the through-hole accuracy and can realize the grafting of shutoff head and through-hole, reduce the production precision and the processing degree of difficulty, the shutoff section that the while slope set up can increase the area of contact between shutoff head and the through-hole inner wall, strengthen sealed effect between the two.

The shutoff head includes the installation department that links to each other with the float and locates the guide part of installation department upper end, the upper end of installation department is equipped with the sealed inclined plane that encircles the guide part setting, when the float spare seals the through-hole, the sealed grafting of guide part is in the exhaust section, and sealed inclined plane laminates mutually with the inner wall of shutoff section, when the float spare rose, the shutoff head was to through-hole interpolation, the guide part plays the guide effect to the float spare, laminate between the inner wall of sealed inclined plane and shutoff section, in order to realize sealing between the two.

The upper cover is including installing the lid on lower seat and locating the mechanism of washing of scraping of filtering the intracavity, and the mechanism of washing of scraping is including the drive medium that the piece and links to each other with the top of washing of scraping that encircles the filter core setting, and the top of drive medium is worn to establish on the lid and is connected with the lid rotation, and on the drive medium was located to the through-hole, simultaneously floating piece sliding connection was in the bottom of drive medium to the user installation and dismantlement floating piece.

The upper cover is provided with a shell which is connected with the top of the transmission part to drive the transmission part to rotate, the shell is sleeved outside the cover body to form a cavity between the top of the cover body and the side wall of the transmission part, exhaust holes communicated with the through holes and the cavity are formed in the side wall of the transmission part in a penetrating manner, the shell shields the upper cover and the scraping and washing mechanism, so that exhaust gas in the filter cavity enters the cavity through the through holes and the exhaust holes, and the attractiveness of the filter device is enhanced while the exhaust effect is not influenced.

The features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

Drawings

The invention will be further described with reference to the accompanying drawings and specific embodiments:

FIG. 1 is a perspective view of a filtering device of a faucet water purifier according to the present invention;

FIG. 2 is a schematic view of the assembly of the driving member and the floating member;

FIG. 3 is a first perspective view of the transmission member;

FIG. 4 is a second perspective view of the transmission member;

FIG. 5 is a cross-sectional view of a transmission member;

FIG. 6 is a cross-sectional view of the filtering device of a faucet water purifier of the present invention;

FIG. 7 is a partial cross-sectional view of a filter assembly of a faucet water purifier according to the present invention;

FIG. 8 is an exploded view of the float;

FIG. 9 is a perspective view of the stopper;

FIG. 10 is a cross-sectional view of the plugging head;

fig. 11 is a cross-sectional view of the float.

Reference numerals:

110. an upper cover; 111. a cover body; 120. a lower seat; 130. a filter element;

200. a scraping mechanism; 210. scraping and washing the workpiece; 220. a transmission member; 221. a through hole; 2211. an exhaust section; 2212. a plugging section; 222. an exhaust hole; 223. mounting a column; 2231. a chute; 224. a guide post;

300. a float member; 510. a float; 511. a guide hole; 512. mounting holes; 513. inserting the column; 520. a slider; 530. plugging a plug; 531. an installation part; 5311. inserting grooves; 5312. sealing the inclined plane; 5313. sealing the convex ribs; 532. a guide portion;

400. a housing; 410. a screw; 420. a cavity.

Detailed Description

The utility model provides a filter equipment of tap water purifier, including upper cover, lower and filter core, the upper cover is installed on lower in order to form the filter chamber that holds the filter core, and the through-hole that has the external world of intercommunication and filter chamber is run through at the top of upper cover, is equipped with the floating member that is located the through-hole below in the filter chamber, and floating member and upper cover sliding connection float along with the water level of filter chamber from top to bottom to seal or open the through-hole. The utility model discloses a through set up the through-hole that is located the filter core top and sliding connection is at the floating member of through-hole below at the top of upper cover, when making the water in the filter cavity not fill up, the through-hole is opened to the floating member under the effect of gravity, the air of liquid level top in the filter cavity receives the extrusion of rising water level and passes through the through-hole discharge filter cavity, when the water level reachs the position that the floating member is located, the floating member rises jointly along with the water level under the effect of buoyancy, until gaseous whole discharge so that fill up water in the filter cavity, the floating member just seals the bottom of through-hole, in order to prevent rivers from flowing out in the through-hole, the setting of through-hole and floating member, the air between liquid level and upper cover has been discharged, prevent that the air in the filter cavity from gathering between the top of liquid level and upper cover in order to prevent the rising of water level, guarantee that the rivers in the filter cavity can wrap up in the periphery side completely, make the upper portion and the lower part of filter core all can filter rivers, the filter element is fully utilized, and the filtering effect is improved.

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example (b):

a filtering device of a faucet water purifier is disclosed, as shown in fig. 1 to 11, and comprises an upper cover 110, a lower base 120 and a filter element 130, wherein the upper cover 110 is installed on the lower base 120 to form a filter cavity for accommodating the filter element 130, a through hole 221 penetrates through the top of the upper cover 110 to be used for communicating the outside and the filter cavity, a floating piece 300 is arranged in the filter cavity, the floating piece 300 on the upper portion of the filter element 130 is positioned right below the through hole 221, and the floating piece 300 is in sliding connection with the upper cover 110, so that the floating piece 300 can move up and down along the vertical direction in the filter cavity to close or open the through hole 221. When water does not enter the filter cavity, the floating piece 300 is far away from the through hole 221 under the action of gravity, a ventilation gap is arranged between the floating piece 300 and the bottom of the through hole 221, when water enters the filter cavity, the water level in the filter cavity rises and pushes the air between the top of the upper cover 110 and the water surface upwards, so that the air enters the through hole 221 through the ventilation gap and is discharged out of the filter cavity, when the water level reaches the position of the floating piece 300, the floating piece 300 rises together with the water level under the action of buoyancy to reduce the size of the ventilation gap, and when the air is completely discharged to fill the filter cavity with water, the floating piece 300 just seals the bottom of the through hole 221 so as to prevent water flow from flowing out of the through hole 221.

The utility model discloses a through set up the through-hole 221 that is located filter core 130 top and sliding connection is at floating member 300 of through-hole 221 below at the top of upper cover 110, when making the water in the filter chamber not fill up, floating member 300 opens through-hole 221 under the effect of gravity, the air of liquid level top in the filter chamber receives the extrusion of rising water level and discharges the filter chamber through-hole 221, when the water level reachd floating member 300 and locates the position, floating member 300 rises along with the water level jointly under the effect of buoyancy, until gaseous whole discharge so that make the filter chamber fill up water, floating member 300 just seals the bottom of through-hole 221, in order to prevent that rivers from flowing out in through-hole 221, the setting of through-hole 221 and floating member 300, the air between liquid level and upper cover 110 has been discharged, prevent that the air gathering in the filter chamber is in order to prevent the rising between liquid level and the top of upper cover water level 110, guarantee that the rivers in the filter chamber can wrap up the periphery side at filter core 130 completely, the upper part and the lower part of the filter element 130 can filter water flow, the filter element 130 is fully utilized, and the filtering effect is improved.

As shown in fig. 2 and 3, the float 300 in this embodiment includes a float 510 for opening and closing the bottom of the through hole 221 and sliders 520 disposed on both sides of the float 510, mounting posts 223 are disposed on both sides of the through hole 221, a sliding slot 2231 extending in the axial direction of the through hole 221 is disposed on the mounting posts 223, the sliders 520 are inserted into the sliding slot 2231 to prevent the float 510 from being separated from the upper cover 110, side portions of the sliders 520 abut against an inner wall of the sliding slot 2231, so that the sliders 520 can only slide in the sliding slot 2231 in the vertical direction to approach or separate from the sliding slot 2231, and the slider 520 is engaged with the sliding slot 2231 to limit the float 300 in the horizontal direction, so as to prevent the float 300 from translating or rotating in the horizontal direction, and ensure that the float 300 is always aligned with the lower portion of the through hole 221, that is ensured that the float 300 blocks the through hole 221.

This embodiment is equipped with a plurality of guide posts 224 on upper cover 110, a plurality of guide posts 224 encircle the through-hole 221 setting, be equipped with a plurality of guiding holes 511 on float 510, guiding hole 511 pegs graft with guide post 224 one-to-one, in order to lead float 510, when float 510 rises, guiding hole 511 and the guiding post 224 of pegging graft carry on spacingly to the week side of float 510 mutually, make the week side of float 510 remove along vertical direction simultaneously, prevent that float 510 from taking place to rock and leading to float 510 can't the bottom of the tight through-hole 221 of lid along with the water level rise in-process, improve the stability that float 510 removed.

In this embodiment, as shown in fig. 7, the bottom surface of the float 510 is preferably gradually lowered from the periphery to the center, so that the bottom surface of the float 510 forms a downward convex arc surface, and by setting the bottom surface of the float 510 to an arc surface, the circumferential side of the bottom surface of the float 510 is more uniformly stressed during the water level rising process, so that the float 510 is better supported, and the float 510 is guaranteed to stably rise.

In this embodiment, as shown in fig. 7 to 10, the floating member 300 further includes a blocking head 530, the blocking head 530 is detachably connected to the top of the float 510, when the floating member 300 blocks the through hole 221, the float 510 abuts against the outer periphery of the bottom of the through hole 221, the blocking head 530 is inserted into the through hole 221 in a sealing manner, the circumferential side of the blocking head 530 abuts against the inner wall of the through hole 221, so as to realize primary sealing of the floating member 300 on the through hole 221, and the float 510 abuts against the outer periphery of the bottom of the through hole 221, so as to realize secondary sealing of the floating member 300 on the through hole 221, so as to enhance the sealing effect of the floating member 300 on the through hole 221, and prevent water leakage from the through hole 221.

Preferably, the through hole 221 in this embodiment includes an air discharge section 2211 and a blocking section 2212, the blocking section 2212 is communicated with the bottom of the air discharge section 2211, an inner wall of the blocking section 2212 is obliquely arranged, so that an inner diameter of the blocking section 2212 is gradually reduced from bottom to top, when the floating member 300 moves upward, the blocking section 2212 guides the blocking head 530, so that the blocking head 530 can be inserted into the through hole 221 without being precisely aligned with the through hole 221, the production precision and the processing difficulty are reduced, and meanwhile, the obliquely arranged blocking section 2212 can increase a contact area between the blocking head 530 and the inner wall of the through hole 221, and the sealing effect between the blocking head 530 and the through hole 221 is enhanced.

The plugging head 530 comprises an installation part 531 and a guide part 532 arranged at the upper end of the installation part 531, the installation part 531 is installed on the floater 510, the outer diameter of the guide part 532 is smaller than the installation part 531, the outer diameter of the guide part 532 is smaller than the inner diameter of the exhaust section 2211, a sealing inclined plane 5312 arranged around the guide part 532 is arranged at the upper end of the installation part 531, when the floating piece 300 is opened, the guide part 532 is plugged in the exhaust section 2211, a gap for gas to pass is formed between the inner walls of the guide part 532 and the exhaust section 2211, when the floating piece 300 rises, the plugging head 530 is plugged in the through hole 221, the guide part 532 plays a guiding role on the floating piece 300 until the sealing inclined plane 5312 is attached to the inner wall of the plugging section 2212, and sealing between the inner wall and the inner wall of the sealing inclined plane 5312 and the plugging section 2212 is achieved. Preferably, the sealing inclined plane 5312 is provided with a sealing rib 5313, the sealing inclined plane 5312 abuts against the inner wall of the blocking section 2212 through the sealing rib 5313, and the sealing inclined plane 5312 is prevented from being completely attached to the inner wall of the blocking section 2212 through the arrangement of the sealing rib 5313, so that the sealing performance between the sealing inclined plane 5312 and the blocking section 2212 is ensured.

In this embodiment, various connection manners may be adopted between the float 510 and the plugging head 530, and preferably, as shown in fig. 11, a mounting hole 512 is formed in the float 510, an insertion column 513 is arranged in the mounting hole 512, an insertion groove 5311 is formed in the plugging head 530, and the insertion groove 5311 is in insertion fit with the insertion column 513 so that the plugging head 530 is embedded in the mounting hole 512, so that the assembly difficulty is reduced, the assembly efficiency is improved, meanwhile, the friction between the plugging head 530 and the float 510 is enhanced, that is, the connection tightness between the two is improved, the two are prevented from being separated in the process of sliding the floating member 300 up and down, and the operation stability of the floating member 300 is ensured.

In this embodiment, the upper cover 110 includes a cover 111 installed on the lower base 120 and a scraping mechanism 200 installed in the filter cavity, the scraping mechanism 200 is installed on the outer peripheral side of the filter element 130 to scrape the filter element 130, the scraping mechanism 200 includes a scraping member 210 surrounding the filter element 130 and a transmission member 220 connected to the top of the scraping member 210, the top of the transmission member 220 is inserted into the cover 111 and is rotatably connected to the cover 111, the user can drive the scraping member 210 to scrape the outer peripheral side of the filter element 130 by rotating the transmission member 220, the through hole 221 is provided on the transmission member 220, and the floating member 300 is slidably connected to the bottom of the transmission member 220, so that the user can install and detach the floating member 300.

In order to facilitate the operation of the user, the upper cover 110 of the embodiment is further provided with a housing 400, the housing 400 is connected to the top of the transmission member 220 to drive the transmission member 220 to rotate, the user can rotate the scraping and washing mechanism 200 by rotating the housing 400, and the operation is more convenient and simpler. Preferably, the housing 400 is sleeved outside the top of the cover 111, the housing 400 and the top of the transmission member 220 are locked by locking members such as screws 410, so that a cavity 420 is formed between the housing 400 and the top of the cover 111, the exhaust hole 222 is formed in the side wall of the transmission member 220 in a penetrating manner, one end of the exhaust hole 222 is communicated with the through hole 221, the other end of the exhaust hole 222 is communicated with the cavity 420, the housing 400 shields the upper cover 110 and the scraping mechanism 200, and gas exhausted from the filter cavity enters the cavity 420 through the through hole 221 and the exhaust hole 222, so that the aesthetic property of the filter device is enhanced while the exhaust effect is not affected.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a filter equipment of tap water purifier, includes upper cover, lower seat and filter core, the upper cover is installed on the lower seat in order to form and hold the filter chamber of filter core, its characterized in that: the top of the upper cover is penetrated with a through hole for communicating the outside and the filter chamber, a floating part positioned below the through hole is arranged in the filter chamber, and the floating part is connected with the upper cover in a sliding way and floats up and down along with the water level in the filter chamber so as to seal or open the through hole.

2. The filtering device of a faucet water purifier as recited in claim 1, wherein: the floating piece comprises a float and sliding blocks, the float is used for opening and closing the bottom of the through hole, the sliding blocks are arranged on two sides of the float, mounting columns are arranged on two sides of the through hole, sliding grooves extending along the axial direction of the through hole are formed in the mounting columns, and the sliding blocks are matched with the sliding grooves to prevent the float from being separated from the upper cover.

3. The filtering device of a faucet water purifier as recited in claim 2, wherein: the upper cover is provided with a plurality of guide posts, the guide posts surround the through holes, the floater is provided with a plurality of guide holes in one-to-one correspondence with the guide posts, and the guide posts are spliced with the guide holes to guide the floater.

4. The filtering device of a faucet water purifier as recited in claim 2, wherein: the height of the bottom surface of the floater is gradually reduced from the periphery to the center, so that the bottom surface of the floater forms a downward convex arc surface.

5. The filtering device of a faucet water purifier as recited in claim 2, wherein: the floating part further comprises a blocking head detachably connected to the top of the floater, and when the floater abuts against the outer peripheral side of the bottom of the through hole, the blocking head is inserted into the through hole in a sealing mode.

6. The filtering device of a faucet water purifier as recited in claim 5, wherein: the float is provided with a mounting hole, an insertion column is arranged in the mounting hole, the plugging head is provided with an insertion groove, and the insertion groove is in insertion fit with the insertion column so that the plugging head is embedded in the mounting hole.

7. The filtering device of a faucet water purifier as recited in claim 5, wherein: the through hole comprises an exhaust section and a plugging section located at the bottom of the exhaust section, and the inner wall of the plugging section is obliquely arranged so that the inner diameter of the plugging section is gradually reduced from bottom to top.

8. The filtering device of a faucet water purifier as recited in claim 7, wherein: the sealing plug comprises an installation part connected with the float and a guide part arranged at the upper end of the installation part, a sealing inclined plane surrounding the guide part is arranged at the upper end of the installation part, the guide part is inserted into the exhaust section when the floating part is sealed, and the sealing inclined plane is attached to the inner wall of the sealing section.

9. The filtering device of a faucet water purifier as claimed in any one of claims 1 to 8, wherein: the upper cover is including installing lid on the lower seat with locate the mechanism is washed in scraping of filter chamber, it includes encircleing to scrape the washing piece that the filter core set up and with scrape the driving medium that a top links to each other, the top of driving medium is worn to establish on the lid and with the lid rotates to be connected, the through-hole is located on the driving medium.

10. The filtering device of a faucet water purifier as recited in claim 9, wherein: the upper cover is provided with a shell which is connected with the top of the transmission piece to drive the transmission piece to rotate, the shell is sleeved on the outer side of the cover body to form a cavity with the top of the cover body, and an exhaust hole which is communicated with the through hole and the cavity penetrates through the side wall of the transmission piece.

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