CN219984061U

CN219984061U - Filter flask of water purifier easy to take over

Info

Publication number: CN219984061U
Application number: CN202320497809.4U
Authority: CN
Inventors: 白红创
Original assignee: Ningbo Xing Zhi Hang Environmental Protection Technology Co ltd
Current assignee: Ningbo Xing Zhi Hang Environmental Protection Technology Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-11-10
Anticipated expiration: 2033-03-10

Abstract

The utility model provides an easy-to-take-over water purifier filter flask, which comprises a filter flask shell and a filter element, wherein a tubular external thread closing structure is arranged at the water outlet end of the filter flask shell, an annular groove is arranged at the pipe orifice position of the external end face of the external thread closing structure, an elastic sealing ring is arranged in the annular groove, the external thread closing structure is connected with a threaded joint in a matched manner, an elastic pipe clamp is arranged between the threaded joint and the elastic sealing ring, an annular protruding structure is arranged at the base part of the elastic pipe clamp, the threaded joint is provided with a through hole for penetrating a take-over, one end of the elastic pipe clamp is nested in the through hole and is used for clamping the outer side wall of the take-over passing through the through hole, the annular protruding structure of the base part is clamped at the inner side opening position of the through hole, the base part of the elastic pipe clamp is tightly pressed on the top surface of the elastic sealing ring to form sealing when the threaded joint is screwed, the end of the take-over passing through hole and the inner side wall of the elastic sealing ring form sealing.

Description

Filter flask of water purifier easy to take over

Technical Field

The utility model relates to the technical field of water purifying equipment, in particular to a filter bottle of an easy-to-take-over water purifier.

Background

The water purifier is also called a water purifier and a water quality purifier, and is water treatment equipment for carrying out deep filtration and purification treatment on water according to the use requirement of water. The water purifier generally refers to a small-sized purifier used in home. The water purifier has the functions of removing floaters, heavy metals, bacteria, viruses, residual chlorine, sediment, rust, microorganisms and the like in filtered water, and has a high-precision filtering technology, and a water purifier commonly used in families often comprises five conventional filtering means, namely PP cotton filter element filtering, granular activated carbon filter element filtering, precise compressed activated carbon filter element filtering, reverse osmosis membrane or ultrafiltration membrane filtering and post-activated carbon filtering. The water purifier is suitable for areas with serious tap water pollution, can filter residual chlorine in conventional tap water, can improve the taste of the water, is never used for drinking, and can effectively protect water equipment such as a washing machine and the like by removing impurities in the tap water through filtration.

The existing water purifier filter flask commonly used at present has the problem of installation and use, and is particularly characterized in that the disassembly and assembly of the connector end are complex, the structure of the connector end is often required to be separated from the flask body of the filter flask, and the split design is adopted, so that the cost of equipment is difficult to reduce due to the complex structure; the existing integrated design has no mature sealing design scheme, after installation, the sealing performance of the joint is poor, water leakage is easy to occur, and in the process of disassembling and assembling the filter flask, the operation process of operators is often required to be very precise and careful, so that the sealing of the interface position can be ensured.

In summary, the existing filter bottle equipment of the water purifier has the technical problems that the equipment cost and the connection tightness and the operation convenience are in great contradiction.

Disclosure of Invention

The utility model aims to solve the technical problems that the existing filter bottle equipment of the water purifier has great contradiction between equipment cost and connection tightness and operation convenience.

In order to solve the problems, the utility model provides an easy-to-take-over water purifier filter flask, which comprises a filter flask shell and a hollow filter element positioned in the filter flask shell, wherein a water outlet end of the filter flask shell is provided with a tubular external thread closing-in structure, the external thread closing-in structure is communicated with an inner cavity of the filter element, an annular groove is arranged at a pipe opening position of an external end face of the external thread closing-in structure, an elastic sealing ring is arranged in the annular groove, the external thread closing-in structure is connected with a screwed joint in a matched manner, an elastic pipe clamp is arranged between the screwed joint and the elastic sealing ring, an annular bulge structure is arranged at a base part of the elastic pipe clamp, the screwed joint is provided with a through hole for penetrating through a connecting pipe, one end of the elastic pipe clamp is nested in the through hole and is clamped at an inner opening position of the through hole through the annular bulge structure of the base part, the base part of the elastic pipe clamp is pressed on the top face of the elastic sealing ring when the screwed joint is screwed tightly, and the end of the elastic pipe clamp penetrates through the through hole and the inner side wall of the elastic sealing ring forms a seal.

The water purifier filter bottle is integrally designed by adopting an integrated structure, the connector is directly integrated with the shell of the filter bottle, the end face elastic sealing ring structure of the connector end forms a seal with the connector, the elastic pipe clamp locks the axial relative position between the pipe connector and the threaded connector, the pipe connector can be abutted against the elastic sealing ring when the threaded connector is screwed, the whole pipe connector mounting process is quite simple, the connector is only required to be inserted into the threaded connector from the outer end of the threaded connector and screwed again, in addition, the radial limit of the through hole of the threaded connector and the elastic pipe clamp on the inserted pipe connector ensures that the end of the pipe connector can be abutted against the elastic sealing ring no matter what action is influenced, the sealing gap between the end and the sealing ring caused by movement or bending of the pipe connector can be effectively prevented, and the pipe connector mounting difficulty is greatly reduced; in conclusion, the design is strong in integrity, a special split joint sealing device is not needed, the disassembly and assembly operation is simple, the sealing performance is good, the requirement on the fineness degree of the installation of operators is low, and the technical problem that the equipment cost, the connection sealing performance and the operation convenience of the existing water purifier filter flask equipment are in great contradiction is effectively solved.

As the preferable scheme, the elastic pipe clamp comprises a plurality of circular arc plates, wherein the circular arc plates are uniformly distributed along the circumference to form a tube shape, the base parts of the circular arc plates are integrally connected, the inner circular arc side wall of each circular arc plate is provided with a convex check valve structure, and the section of the check valve structure is pointed towards the pointed shape of the elastic sealing ring. The design of the elastic pipe clamp is optimized, and good locking effect can be achieved once the connecting pipe is installed.

Preferably, the periphery of the threaded joint is provided with two protruding wrench structures integrally connected with the threaded joint at intervals of 180 degrees, and the protruding wrench structures are used for rotating the threaded joint. The practicality of screwed joint has been optimized, the operation degree of difficulty of installation has further been reduced.

As a preferable scheme, a raised side edge structure perpendicular to the axial direction of the screw thread is arranged between the filter flask shell and the external screw thread closing-in structure and used for fixing the rotation of the auxiliary screw joint through a tool. The screw-in fixing design of the threaded joint is further optimized, and a better screw-in fastening effect can be achieved.

As the preferable scheme, the water inlet end of the filter flask shell is provided with a concave connecting end, the inner side wall of the connecting end is provided with an internal thread for connecting a water inlet pipe, the inner end surface of the connecting end is provided with a circular groove at the periphery of a water inlet hole of the connecting end, the connecting end is used for being filled with an elastic sealing pad, and the elastic sealing pad is extruded by screwing in a water inlet pipe head to form a water inlet end seal. The design of the water inlet end of the filter flask is optimized, the sealing effect of the water inlet end is guaranteed, and the installation operation is simplified.

As a preferable scheme, the filter flask shell comprises two half-shell structures with opening positions mutually nested and connected and fixed, and a slot structure for plugging and matching is arranged at an interface position of the half-shell structures. The filter flask shell structure is optimized, and the two half shells are spliced and combined to form a whole, so that the installation of the internal structure is convenient.

As the preferred scheme, the filter flask casing is internally provided with the filter core support that is used for supporting fixed filter core in the water inlet, the water inlet periphery position of the water inlet in the filter flask casing is provided with inwards bellied round platform, including the supporting part and the connecting portion of body coupling on the filter core support, the supporting part is the pipe form, and its side evenly distributed has the opening structure of permeating water, the inside wall of supporting part is provided with the supporting rib plate perpendicularly, the supporting rib plate is used for with the filter core support lifts away from the default distance from the inboard water inlet of filter flask casing to the water inlet passes through opening structure and the outside space intercommunication of filter core, the connecting portion is used for installing fixed filter core. The connecting and fixing structure of the filter element at the water inlet end in the filter flask shell is optimized, and the filtering effect is ensured.

As the preferable scheme, connecting portion include with the annular base of supporting part body coupling, and protruding column mount pad on the base, column mount pad external diameter and the hole cooperation of filter core for interference fit fixes the filter core, still be provided with bellied annular sealing strip on the base, be used for compressing tightly the terminal surface of filter core constitutes sealedly, keeps apart the space of the hole of filter core and its periphery. The connection and fixation structure of the filter element in the filter flask shell is further optimized, and the filtering effect is guaranteed.

As the preferable scheme, external screw thread binding off structure includes the intubate of integral connection, the intubate extends to in the filter flask casing, the intubate with the cavity hole interference fit of filter core is connected, the lateral wall of filter flask casing is in the position of intubate periphery is provided with integrative annular sealing strip for compress tightly the terminal surface of filter core other end constitutes sealedly, keeps apart the cavity hole of filter core and the space of its periphery. The connection fixing structure of the filter element at the water outlet end in the filter flask shell is optimized, and the filtering effect is ensured.

As the preferable scheme, the inside wall of filter flask casing still is provided with many supporting ribs near the play water end, supporting ribs is on a parallel with the filter flask axial, along filter flask inner edge evenly distributed for chucking is fixed the periphery of filter core, supporting rib's basal portion extends to the basal portion of intubate, link up the annular sealing strip of intubate basal portion, in order to strengthen annular sealing strip intensity. The connection fixed knot of filter core in filter flask casing water outlet end constructs and filter core fixed knot constructs's intensity has further been optimized, has guaranteed the filter effect, guarantees stable in structure durable.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a filter flask of an easy-to-take-over water purifier provided by the utility model;

FIG. 2 is a schematic side sectional view of the filter flask of the easy-to-connect water purifier of FIG. 1;

FIG. 3 is a schematic diagram of one half-shell structure of a filter flask housing for an easy-to-take-over water purifier filter flask according to the present utility model;

FIG. 4 is a schematic diagram of the structure of the elastic pipe clamp of the filter flask of the easy-to-take-over water purifier;

FIG. 5 is a schematic diagram of another half-shell structure of a filter flask housing for an easy-to-take-over water purifier filter flask according to the present utility model;

FIG. 6 is a schematic diagram of a cartridge holder for an easy-to-take-over water purifier filter flask provided by the utility model;

FIG. 7 is a schematic view of the cartridge holder of FIG. 6 at an alternative angle;

FIG. 8 is a schematic cross-sectional view of one of the half-shells of the flask shell of FIG. 3;

wherein, in fig. 1-8:

1. a filter flask housing; 1-1, an external thread closing-in structure; 1-2, a slot structure; 1-3, a side edge structure; 1-4, intubation; 1-5, supporting ribs; 1-6, a circular groove; 1-7, a water inlet hole; 2. a threaded joint; 2-1, a spanner structure; 3. a filter element; 4. a cartridge holder; 4-1, a columnar mounting table; 4-2, an annular sealing belt; 4-3 parts of supporting parts, 4-4 parts of opening structures; 4-5, supporting rib plates; 5. an elastic pipe clamp; 5-1, an arc plate; 5-2, a non-return valve structure; 5-3, an annular bulge structure; 6. an elastic sealing gasket; 7. an elastic sealing ring.

Detailed Description

The following description of the present utility model will be made clearly and fully, and it is apparent that the embodiments described are some, but not all, of the embodiments of the present utility model. 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.

Referring to fig. 1 and 2, fig. 1 is a schematic diagram of the overall structure of a filter flask of an easy-to-take-over water purifier provided by the utility model; fig. 2 is a schematic side sectional structure of the filter flask of the easy-to-take-over water purifier in fig. 1.

In order to solve the above-mentioned problem, this embodiment provides an easy-to-take-over water purifier filter flask, including filter flask casing 1 and be located hollow filter core 3 in filter flask casing 1, the play water end of filter flask casing 1 is provided with tubular external screw thread binding off structure 1-1, the inner chamber of filter core 3 is linked together to external screw thread binding off structure 1-1, the outer terminal surface mouth of pipe position of external screw thread binding off structure 1-1 is provided with the annular groove, be provided with elastic sealing ring 7 in the annular groove, external screw thread binding off structure 1-1 cooperation is connected with screwed joint 2, be provided with elastic pipe strap 5 between screwed joint 2 and the elastic sealing ring 7, the basal portion of elastic pipe strap 5 is provided with annular protruding structure 5-3, screwed joint 2 is provided with the through-hole that is used for passing the takeover, the one end nest of elastic pipe strap 5 is in the through-hole, be used for passing the lateral wall of through the through-hole takeover, through the annular protruding structure 5-3 card in the inboard open position of through-hole of basal portion, the basal portion compresses tightly in elastic sealing ring's top surface when screwed in screwed joint 2 constitutes sealedly, the inside wall with elastic sealing ring 7's takeover's of the tip, constitute sealedly.

In this design, play good location effect to the elastic sealing ring through the annular groove, guarantee that sealing ring position is stable, the elastic tube clamp embolias screwed joint's through-hole, radial spacing to the elastic tube clamp through the through-hole structure, radial spacing is butted to the elastic tube clamp, it is fixed firm to guarantee that the takeover after the installation, prevent that its position from moving and cause sealed effect poor, form axial spacing between annular protruding structure and the screwed joint through the elastic tube clamp basal portion, in order to guarantee to screw up screwed joint, the elastic tube clamp is supported tightly and constitutes sealedly between the two of one end of elastic sealing ring.

The integral structure is adopted in the design of the water purifier filter bottle, the connector is directly integrated on the shell of the filter bottle, the end face elastic sealing ring structure of the connector end forms a seal with the connector, the elastic pipe clamp locks the axial relative position between the pipe connector and the threaded connector, the pipe connector can be abutted against the elastic sealing ring when the threaded connector is screwed, the whole pipe connector installation process is quite simple, the connector is only required to be inserted into the threaded connector from the outer end of the threaded connector and screwed again, in addition, the radial limit of the through hole of the threaded connector and the elastic pipe clamp on the inserted pipe connector is ensured, the elastic sealing ring can be abutted against the end of the pipe connector no matter what action is influenced, the gap between the end and the sealing ring can be effectively prevented from being formed by movement or bending of the pipe connector, and the installation difficulty of the pipe connector is greatly reduced; in conclusion, the design is strong in integrity, a special split joint sealing device is not required, the disassembly and assembly operation is simple, the sealing performance is good, the requirement on the fineness of the installation of operators is low, and the technical problem that the equipment cost, the connection sealing performance and the operation convenience of the existing water purifier filter bottle equipment are in great contradiction is effectively solved.

Referring to fig. 3 and 4, fig. 3 is a schematic structural view of one half-shell structure of a filter flask shell of the filter flask of the easy-to-take-over water purifier provided by the utility model; fig. 4 is a schematic structural diagram of an elastic pipe clip of the filter flask of the easy-to-take-over water purifier.

In the technical scheme provided by the embodiment, the design of the elastic pipe clamp is mainly optimized, the good locking effect of the connecting pipe can be achieved once the connecting pipe is installed, specifically, the elastic pipe clamp 5 comprises a plurality of circular arc plates 5-1, the circular arc plates 5-1 are uniformly distributed along the circumference to form a pipe shape, the base parts of the circular arc plates are integrally connected, the inner circular arc side walls of the circular arc plates 5-1 are all provided with protruding check valve structures 5-2, and the cross section of each check valve structure 5-2 is in a sharp angle shape with the tip end facing the elastic sealing ring 7.

In the design, the elastic pipe clamp forms a hollow tubular structure through a plurality of circular arc plates uniformly distributed along the circumference, one end of the structure is integrally connected, and the other end of the structure is not fixed, so that the elastic pipe clamp has certain elasticity, the pointed end of the check valve faces one side of the elastic sealing ring through the structure with the check valve arranged on the inner wall of the structure, once the connecting pipe is inserted, the outer side wall of the connecting pipe is blocked by the check valve structure and cannot be withdrawn outwards, and the fixing of the connecting pipe is ensured.

The technical scheme provided in this embodiment is mainly for the consideration of operation convenience: the outer circumference of the screw joint 2 is provided with two protruding wrench structures 2-1 integrally connected thereto at intervals of 180 deg. for rotating the screw joint 2. This design is provided with two protrusion spanner structures at screwed joint's periphery one body, makes the operator can be comparatively convenient through spanner structure rotary screw joint, can provide bigger fastening force, guarantees sealed effect.

Further on the basis of the above embodiment: a raised side ridge structure 1-3 perpendicular to the axial direction of the screw thread is arranged between the filter flask shell 1 and the external screw thread closing-in structure 1-1 and used for fixing the rotation of the auxiliary screw joint 2 through a tool. Through set up integrative and coaxial side stupefied structure in the one end of filter flask casing, can fix the circumference position of casing through spanner or fastener that various shapes correspond to screw in screwed joint, can effectively prevent to skid when the operation and provide bigger fastening dynamics, guaranteed sealed effect.

Referring to fig. 5-7, fig. 5 is a schematic structural diagram of another half-shell structure of a filter flask shell of the filter flask of the easy-to-take-over water purifier provided by the utility model; FIG. 6 is a schematic diagram of a cartridge holder for an easy-to-take-over water purifier filter flask provided by the utility model; fig. 7 is a schematic view of another angle of the cartridge holder of fig. 6.

The technical scheme that this embodiment provided has mainly optimized the structural design of filter flask casing water inlet, and the water inlet of filter flask casing 1 is provided with the link of indent, and the inside wall of link is provided with the internal thread that is used for connecting the inlet tube, and the interior terminal surface of link is provided with annular recess 1-6 in its inlet port 1-7 periphery for pack into elastic sealing pad 6, extrudees elastic sealing pad 6 through screw in water inlet tube head and constitutes water inlet end seal.

The design is the same and adopts an integrated joint structural design, an indent structure is directly arranged at the end part of the filter flask shell and matched with an internal thread, a groove mounting sealing gasket is arranged around an end surface water inlet hole of the indent, the position of the sealing gasket is ensured to be stable in structure, the pipe head of a water inlet pipe is screwed in through threaded matching, and the end surface of the pipe head abuts against the elastic sealing gasket to form good sealing.

In the technical scheme provided by the embodiment, the filter flask shell 1 comprises two half-shell structures with opening positions mutually nested and connected and fixed, and the interface position of the half-shell structures is provided with a slot structure 1-2 for plugging and matching. The design optimizes the shell structure of the filter flask, and the two half shells are spliced and combined to form a whole, so that the installation of the internal structure is convenient.

The technical scheme that this embodiment provided provides a filter core and filter flask casing inside between install fixed design, specifically, filter flask casing 1 is interior to be provided with the filter core support 4 that is used for supporting fixed filter core 3 in the water inlet, the water inlet 1-7 periphery position in the filter flask casing 1 is provided with inwards bellied round platform, including supporting part 4-3 and the connecting portion of body coupling on the filter core support 4, supporting part 4-3 is the pipe form, its side evenly distributed has the opening structure 4-4 of permeating water, the inside wall of supporting part 4-3 is provided with support gusset 4-5 perpendicularly, support gusset 4-5 is used for lifting the filter core support 4 from the inboard water inlet of filter flask casing 1 to apart from the default distance, so that water inlet 1-7 is through opening structure 4-4 and the outside space intercommunication of filter core 3, the connecting portion is used for installing fixed filter core 3.

This kind of design accomplishes the location of filter core in the casing through an solitary bearing structure, supports the gusset with the filter core from the inlet port of inlet end through the cooperation of tubular bearing structure and strut certain distance, has guaranteed the fixed of circumference position through the cooperation of the inside round platform of pipe supporting part and casing simultaneously, and the design of opening structure has guaranteed that the water is unobstructed, advances the space intercommunication between filter core outside and the filter flask casing inside wall into water, and corresponding filter core cavity hole intercommunication play water has guaranteed filterable effect.

The fixing structure between the filter element support and the filter element is optimized on the basis of the structure of the embodiment, and the fixing structure is specific: the connecting part comprises a disc-shaped base integrally connected with the supporting part 4-3 and a raised columnar mounting table 4-1 on the base, wherein the outer diameter of the columnar mounting table 4-1 is matched with a cavity hole of the filter element 3 for fixing the filter element 3 in interference fit, and a raised annular sealing belt 4-2 is also arranged on the base and used for pressing the end face of the filter element 3 to form a seal so as to isolate the cavity hole of the filter element 3 from the space of the periphery of the cavity hole.

The design of this implementation is fixed through laminating between the terminal surface of disc base and filter core and thereby isolated the cavity hole and the outside of filter core from the space, guaranteed the direction of filtration rivers and guaranteed filterable effect, the column mount pad that stretches out on the base inserts the cavity hole in the middle of the filter core, pass through interference fit zonulae occludens, and further set up bellied annular sealing strip on the base, the preferred design is that two concentric sealing strips of nesting each other are set up, two outline respectively with the cavity hole footpath and the outline of filter core are to the cooperation, two annular sealing strips constitute an annular recess, and this recess can constitute interference fit with the tip face of filter core, with the inseparable cartridge of filter core in the connecting portion of filter core support, constitute multiple seal structure through column mount pad and annular sealing strip, the cavity hole that will fulfill is isolated each other in space with the lateral wall completely, guarantee filterable implementation effect.

Referring to fig. 8, fig. 8 is a schematic cross-sectional view of one of the half-shells of the flask shell of fig. 3.

Compared with the embodiment, the technical scheme provided by the embodiment mainly optimizes the connection and fixation design of the filter element and the water outlet end of the filter flask shell, and is specific: the external thread binding off structure 1-1 includes integrated connection's intubate 1-4, and intubate 1-4 extends to in the filter flask casing 1, and intubate 1-4 is connected with the cavity hole interference fit of filter core 3, and the lateral wall of filter flask casing 1 is provided with integrative annular sealing strip 4-2 in the position of intubate 1-4 periphery for compress tightly the terminal surface constitution seal of the filter core 3 other end, keeps apart the cavity hole of filter core 3 and the space of its periphery.

In the technical scheme, the insertion pipe extends from the external thread closing opening into the filter flask shell, the effect of sealing and fixing is achieved through interference fit insertion between the insertion pipe and the inner cavity of the filter element, and the effect similar to the effect of the embodiment is also to separate the cavity hole of the filter element from the outer space of the filter element structurally; in addition, in accordance with the idea of setting the strength of the annular sealing band in the above embodiment, the annular sealing band structure is also set in this embodiment to form structural seal on the end face of the filter element.

Further on the basis of the embodiment, the inner side wall of the filter flask shell 1 is further provided with a plurality of supporting ribs 1-5 near the water outlet end, and the supporting ribs 1-5 are parallel to the axial direction of the filter flask and uniformly distributed along the inner edge of the filter flask and used for clamping and fixing the periphery of the filter element 3. The structure of this design through the support rib is with the spacing chucking in circumference between the periphery of filter core and the filter flask casing, guarantees through this structure that the filter core must have certain distance apart from shells inner wall, prevents to take place structural variation and the casing between laminating completely because of long-term use filter core and cause no water space, has guaranteed filterable implementation effect.

The technical scheme that this embodiment provided has mainly strengthened the structure of support rib and annular sealing strip, avoids because the extrusion deformation of filter core causes the terminal surface to seal the effect decline, and the basal portion of support rib 1-5 extends to the basal portion of intubate 1-4, connects the annular sealing strip that link up the basal portion of intubate 1-4 to strengthen annular sealing strip intensity. The strength of the filter element fixing structure is optimized, and the structure is stable and durable.

Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.

Claims

1. The utility model provides an easily take over water purifier filter flask, its characterized in that, includes filter flask casing (1) and is located hollow filter core (3) in filter flask casing (1), the play water end of filter flask casing (1) is provided with tubular external screw thread binding off structure (1-1), external screw thread binding off structure (1-1) intercommunication the inner chamber of filter core (3), the outer terminal surface mouth of pipe position of external screw thread binding off structure (1-1) is provided with the annular groove, be provided with elastic sealing ring (7) in the annular groove, external screw thread binding off structure (1-1) cooperation is connected with screwed joint (2), screwed joint (2) with elastic sealing ring (7) between be provided with elastic tube clamp (5), the basal portion of elastic tube clamp (5) is provided with annular protruding structure (5-3), screwed joint (2) be provided with the through-hole that is used for passing the takeover, one end nest of elastic tube clamp (5) in the through-hole is used for passing the lateral wall of through-hole takeover, through annular protruding structure (5-3) in the basal portion mouth of pipe position in the time of opening of the elastic sealing ring (7) constitutes elastic sealing ring (7) when screwed joint (7) the inside top surface of the elastic sealing ring of the basal portion (7) is screwed tightly.

2. The filter flask for the water purifier easy to take over according to claim 1, wherein the elastic pipe clamp (5) comprises a plurality of circular arc plates (5-1), the circular arc plates (5-1) are uniformly distributed along the circumference to form a tube shape, the bases of the circular arc plates are integrally connected, the inner circular arc side walls of the circular arc plates (5-1) are provided with protruding check flap structures (5-2), and the cross section of each check flap structure (5-2) is in a sharp angle shape with the tip facing the elastic sealing ring (7).

3. -the filter flask for an easy-to-take-over water purifier according to claim 2, characterized in that the threaded joint (2) is provided with two projecting spanner structures (2-1) integrally connected thereto at 180 ° intervals on its periphery for rotating the threaded joint (2).

4. A filter flask for an easy-to-take-over water purifier according to claim 3, characterized in that a raised side ridge structure (1-3) perpendicular to the axial direction of the screw is provided between the flask shell (1) and the external screw thread closing-in structure (1-1) for fixing the rotation of the auxiliary screw joint (2) by means of a tool.

5. The filter flask for the water purifier easy to take over according to claim 1, wherein the water inlet end of the flask shell (1) is provided with an inwards concave connecting end, the inner side wall of the connecting end is provided with an inner thread for connecting with a water inlet pipe, the inner end face of the connecting end is provided with an annular groove (1-6) at the periphery of a water inlet hole (1-7) of the connecting end, the annular groove is used for being filled with an elastic sealing gasket (6), and the elastic sealing gasket (6) is extruded by a water inlet pipe head screwed in through threads to form a water inlet end seal.

6. The filter flask for the easy-to-take-over water purifier according to claim 1, wherein the flask shell (1) comprises a half-shell structure with two opening positions mutually nested and connected and fixed, and a slot structure (1-2) for plug-in fit is arranged at an interface position of the half-shell structure.

7. The filter flask for the water purifier easy to take over according to any one of claims 1 to 6, wherein a filter element support (4) for supporting and fixing the filter element (3) is arranged at the water inlet end in the flask shell (1), an inward protruding round table is arranged at the periphery of the water inlet end water inlet hole (1 to 7) in the flask shell (1), the filter element support (4) comprises a supporting part (4 to 3) and a connecting part which are integrally connected, the supporting part (4 to 3) is in a circular tube shape, permeable opening structures are uniformly distributed on the side surfaces of the supporting part (4 to 3), supporting rib plates (4 to 5) are vertically arranged on the inner side wall of the supporting part (4 to 3), and the supporting rib plates (4 to 5) are used for lifting the filter element support (4) from the water inlet end at the inner side of the flask shell (1) by a preset distance, so that the water inlet hole (1 to 7) is communicated with the outer side space of the filter element (3) through the opening structures, and the connecting part is used for installing and fixing the filter element (3).

8. The filter flask for the water purifier easy to take over according to claim 7, wherein the connecting part comprises a disc-shaped base integrally connected with the supporting part (4-3), and a cylindrical installation table (4-1) protruding from the base, the outer diameter of the cylindrical installation table (4-1) is matched with a cavity hole of the filter element (3) for fixing the filter element (3) in interference fit, and a protruding annular sealing belt (4-2) is further arranged on the base and used for pressing the end face of the filter element (3) to form a seal, so that the cavity hole of the filter element (3) is isolated from the space of the periphery of the filter element.

9. The filter flask for the easy-to-take-over water purifier according to claim 8, wherein the external thread closing-in structure (1-1) comprises an integrally connected insertion tube (1-4), the insertion tube (1-4) extends into the filter flask shell (1), the insertion tube (1-4) is in interference fit connection with a cavity hole of the filter element (3), an integral annular sealing belt (4-2) is arranged on the side wall of the filter flask shell (1) at the position of the periphery of the insertion tube (1-4) and used for pressing an end face of the other end of the filter element (3) to form a seal, and the cavity hole of the filter element (3) is isolated from the space of the periphery of the filter element.

10. The filter flask for the easy-to-take-over water purifier according to claim 9, wherein a plurality of supporting ribs (1-5) are further arranged on the inner side wall of the flask shell (1) near the water outlet end, the supporting ribs (1-5) are parallel to the axial direction of the flask and uniformly distributed along the inner edge of the flask and used for clamping and fixing the periphery of the filter element (3), the base of the supporting ribs (1-5) extends to the base of the insertion tube (1-4), and an annular sealing belt (4-2) penetrating through the base of the insertion tube (1-4) is connected to strengthen the strength of the annular sealing belt (4-2).