CN220696058U - Filter element locking mechanism easy and convenient to operate - Google Patents

Abstract

The utility model relates to the technical field of water purifying equipment, in particular to a filter element locking mechanism which is easy and convenient to operate, comprising a filter element seat, a first locking piece, a second locking piece, a driving piece and a meshing transmission assembly, wherein the filter element seat is provided with a first opening and a second opening, the driving piece is provided with a rotating part and a guiding part, the driving piece is connected in the filter element seat, and the meshing transmission assembly is connected between the first locking piece and the second locking piece; the driving piece rotates relative to the filter element seat through the rotating part and drives the guide part to push the first locking piece, the first locking piece is retracted towards the filter element seat through the first opening by the guide part, and the second locking piece is driven to retract towards the filter element seat through the second opening by the meshing transmission assembly; the first locking piece and/or the second locking piece are/is connected with a reset piece, and the reset piece is used for enabling the first locking piece and/or the second locking piece to extend towards the outside of the filter element seat. The user only needs to pull the driving piece upwards with the hand, can make filter core locking mechanical system trigger the motion process of dismantling and locking, easy operation, easy dismouting.

Description

Filter element locking mechanism easy and convenient to operate

Technical Field

The utility model relates to the technical field of water purifying equipment, in particular to a filter element locking mechanism which is easy and convenient to operate.

Background

In order to improve the quality of domestic water, many families are often provided with water purifiers. The filter element is an important component in the water purifier, has the function of filtering and purifying water, but because the filter element needs to be replaced regularly, the simplicity and convenience of the filter element fixing mode become one of important consideration factors of a user in purchasing the water purifier. The existing filter element fixing mode mainly comprises thread fixing, rotary clamping fixing and the like, wherein matching of matched spanners is needed for thread fixing, core replacement is laborious and time-consuming, and storage is troublesome; the filter element is assembled and disassembled in a rotary clamping manner, so that the filter element is relatively complex, the filter element is assembled and disassembled by a user conveniently due to the fact that the filter element is assembled and disassembled by a professional installation master, the daily maintenance cost of the user is high, and the user experience is low.

The utility model is researched and proposed for overcoming the defects of the prior art.

Disclosure of Invention

Aiming at the problems that the existing filter element disassembly and assembly mode is complex, the filter element is inconvenient to disassemble and assemble by a user, time and labor are wasted, and the user experience is low, the utility model provides the filter element locking mechanism which is simple and convenient to operate.

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

the filter element locking mechanism comprises a filter element seat, a first locking piece, a second locking piece, a driving piece and a meshing transmission assembly, wherein the filter element seat is provided with a first opening for the first locking piece to pass through and a second opening for the second locking piece to pass through, the driving piece is provided with a rotating part and a guide part positioned at one side of the rotating part, the driving piece is connected in the filter element seat through the rotating part, and the meshing transmission assembly is arranged in the filter element seat and is connected between the first locking piece and the second locking piece; the driving piece rotates relative to the filter element seat through the rotating part and drives the guide part to push the first locking piece, the first locking piece is retracted towards the filter element seat through the first opening through the guide part, and the second locking piece is driven to retract towards the filter element seat through the second opening through the meshing transmission assembly; the first locking piece and/or the second locking piece are/is connected with a reset piece, and the reset piece is used for enabling the first locking piece and/or the second locking piece to extend towards the outside of the filter element seat.

The filter element locking mechanism is simple and convenient to operate, the first through hole is formed in the first locking piece, the first side wall is arranged in the first through hole, the second side wall is arranged in the guide part, and the guide part extends into the first through hole and is opposite to the first side wall; the driving piece rotates relative to the filter element seat through the rotating part and drives the second side wall to push the first side wall so that the first locking piece is retracted towards the filter element seat.

The filter element locking mechanism is simple and convenient to operate, the driving piece is further provided with the operating part far away from the rotating part, the operating part comprises a first through hole, a second through hole arranged on the lower side of the first through hole and an arc-shaped connecting section arranged between the first through hole and the second through hole, the first through hole is communicated with the second through hole, and the aperture of the first through hole is smaller than or equal to that of the second through hole.

The filter element locking mechanism is simple and convenient to operate, the meshing transmission assembly comprises a first tooth part connected with the first locking piece, a driven gear rotationally connected in the filter element seat, and a second tooth part connected with the second locking piece, and the first tooth part and the second tooth part are respectively connected to two sides of the driven gear in a meshing mode.

The filter element locking mechanism is simple and convenient to operate, the filter element seat is internally provided with the positioning part for connecting the reset piece, the second locking piece is provided with the second through opening, the positioning part stretches into the second through opening, and the positioning part is used for limiting the displacement distance of the second locking piece stretching out of the filter element seat.

According to the filter element locking mechanism with simple operation, the partition plate is arranged between the driving piece and the meshing transmission assembly, the driving piece is connected with the partition plate through the rotating part, and the guiding part extends from the bottom of the driving piece to the lower side of the partition plate and abuts against the first locking piece.

The filter element locking mechanism is simple and convenient to operate, the filter element seat is internally provided with the first connecting part, the partition plate is internally provided with the second connecting part corresponding to the first connecting part, and the partition plate is installed on the upper part of the meshing transmission assembly through the corresponding clamping connection of the second connecting part and the first connecting part.

The filter element locking mechanism is simple and convenient to operate, the connecting plates respectively positioned at the two sides of the first locking piece and the second locking piece are arranged in the filter element seat, the third connecting portions are respectively arranged in the two connecting plates, the fourth connecting portions are arranged at the bottoms of the partition plates, and the fourth connecting portions and the third connecting portions are correspondingly fastened, so that the partition plates are arranged on the upper portions of the connecting plates.

The filter element locking mechanism with simple operation further comprises a top cover connected to the upper portion of the filter element seat, and the top cover is provided with a third opening matched with the driving piece.

The filter element locking mechanism is simple and convenient to operate, the lower part of the third opening is provided with the extension wall, the extension wall surrounds to form an accommodating space matched with the driving piece, the accommodating space is communicated with the third opening, the outer wall of the driving piece is provided with the protruding block, and the extension wall is provided with the limiting step corresponding to the protruding block.

Compared with the prior art, the utility model has the beneficial effects that:

the user can manually drive the driving piece, one end of the driving piece rotates relative to the filter element seat through the rotating part, the first locking piece is retracted towards the filter element seat through the first opening through the guide part, and the second locking piece is retracted towards the filter element seat through the second opening through the first locking piece driving engagement transmission assembly, so that the filter element locking mechanism can be detached from the water purifying equipment; the second locking piece is connected with a reset piece, the reset piece has elastic force enabling the second locking piece to extend towards the outside of the filter element seat, meanwhile, the second locking piece drives the meshing transmission assembly, and the first locking piece is driven to extend towards the outside of the filter element seat through the meshing transmission assembly, so that the filter element locking mechanism is locked in the water purifying equipment; in actual use, a user only needs to pull the driving piece upwards by hand, so that the filter element locking mechanism triggers the moving process of disassembly and locking, one-key unlocking disassembly is realized, the operation is simple, the filter element locking mechanism is easy to disassemble and assemble, the regular replacement of the filter element is facilitated, the automatic resetting of the first locking piece and the second locking piece is realized through the resetting piece, the first locking piece is pushed against the guiding part in a reverse direction, the automatic resetting of the driving piece can be realized, the use of the filter element locking mechanism is convenient, and the device is labor-saving and trouble-saving.

The utility model will be further described with reference to the drawings and detailed description.

Drawings

FIG. 1 is a schematic view of the first and second locking members of the cartridge locking mechanism of the present utility model installed with the first and second locking members extended;

FIG. 2 is an exploded view of the cartridge locking mechanism of the present utility model;

FIG. 3 is an exploded view of the cartridge locking mechanism of the present utility model (hidden reset member);

FIG. 4 is a cross-sectional view A-A of FIG. 2;

FIG. 5 is a schematic illustration of the first and second locking members of the cartridge locking mechanism of the present utility model retracted;

FIG. 6 is a cross-sectional view B-B of FIG. 5;

FIG. 7 is a schematic diagram of an engaged transmission assembly (hidden reset member) according to the present utility model;

fig. 8 is a schematic diagram of a meshed transmission assembly of the present utility model (hidden reset member).

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 8, the filter element locking mechanism with simple operation provided by the utility model comprises a filter element seat 1, a first locking piece 2, a second locking piece 3, a driving piece 4 and an engagement transmission assembly 5, wherein the filter element seat 1 is provided with a first opening 11 for the first locking piece 2 to pass through and a second opening 12 for the second locking piece 3 to pass through, the driving piece 4 is provided with a rotating part 41 and a guide part 42 positioned at one side of the rotating part 41, the driving piece 4 is connected in the filter element seat 1 through the rotating part 41, and the engagement transmission assembly 5 is arranged in the filter element seat 1 and is connected between the first locking piece 2 and the second locking piece 3; the driving piece 4 rotates relative to the filter core seat 1 through the rotating part 41 and drives the guiding part 42 to push the first locking piece 2, the first locking piece 2 is retracted towards the filter core seat 1 through the first opening 11 by the guiding part 42, and the second locking piece 3 is driven to retract towards the filter core seat 1 through the second opening 12 by the meshing transmission assembly 5; the first locking member 2 and/or the second locking member 3 are connected to a return member 6, said return member 6 being adapted to allow the first locking member 2 and/or the second locking member 3 to protrude towards the outside of the cartridge holder 1.

In the utility model, the filter element locking mechanism is arranged on a filter cartridge for use, the bottom of the filter element seat 1 is connected with a filter element main body, the filter element seat 1 and the filter cartridge are connected through threads, so that the filter element seat 1 is detachably arranged on the filter cartridge, a filter element component in the water purifying equipment is formed by the filter element locking mechanism, the filter cartridge and the filter element main body, and the first locking piece 2 and the second locking piece 3 are telescopic inside and outside the filter element seat 1, so that the whole filter element component is locked or detached in the water purifying equipment; specifically, the filter core seat 1 is provided with an inner cavity communicated with the first opening 11 and the second opening 12, the inner cavity is used for accommodating the first locking piece 2, the second locking piece 3, the driving piece 4 and the meshing transmission assembly 5, as shown in fig. 2, 3, 7 and 8, the first locking piece 2, the meshing transmission assembly 5 and the second locking piece 3 are sequentially and linearly installed in the filter core seat 1, the meshing transmission assembly 5 is connected between the first locking piece 2 and the second locking piece 3, the driving piece 4 is arranged on the upper side of the meshing transmission assembly 5, and the driving piece 4 is connected with the first locking piece 2 through the guide part 42.

When the user needs to disassemble the filter element locking mechanism, the user can manually drive the driving piece 4, one end of the driving piece 4 rotates relative to the filter element seat 1 through the rotating part 41, the first locking piece 2 is retracted towards the filter element seat 1 through the first opening 11 through the guiding part 42, and the meshing transmission assembly 5 is driven through the first locking piece 2 so that the second locking piece 3 is retracted towards the filter element seat 1 through the second opening 12, so that the filter element locking mechanism can be disassembled from the water purifying equipment; in a preferred embodiment of the present utility model, the second locking member 3 is connected to a reset member 6, when the second locking member 3 is driven by the engagement transmission assembly 5 to retract toward the cartridge holder 1, the second locking member 3 compresses the reset member 6, so that the reset member 6 has an elastic force that enables the second locking member 3 to extend toward the outside of the cartridge holder 1, and simultaneously drives the engagement transmission assembly 5 through the second locking member 3 and drives the first locking member 2 to extend toward the outside of the cartridge holder 1 through the engagement transmission assembly 5, so that the cartridge locking mechanism is locked in the water purification apparatus, and in the process, the first locking member 2 can reversely push the guide portion 42 to reset the driving member 4, or a user can manually retract the driving member 4 to reset the same; in actual use, a user only needs to pull the driving piece 4 upwards by hand, so that the filter element locking mechanism triggers the above-mentioned disassembling and locking movement process, one-key unlocking and disassembling are realized, the operation is simple, the filter element locking mechanism is easy to disassemble and assemble, the regular replacement of the filter element is facilitated, the automatic resetting of the first locking piece 2 and the second locking piece 3 is realized through the resetting piece 6, and the first locking piece 2 is pushed against the guiding part 42 in a reverse direction, so that the automatic resetting of the driving piece 4 can be realized, the use is convenient for the user, and trouble and labor are saved; in addition, the filter element locking mechanism is simple in integral structure, easy to produce and implement, low in production cost, strong in linkage, high in transmission efficiency and stable in operation, and adopts meshing transmission, so that the unlocking and locking efficiency of the filter element locking mechanism is improved; in other embodiments, the first locking piece 2 is connected with a reset piece 6, and when the first locking piece 2 is pushed by the reset piece 6 to extend towards the outside of the filter cartridge seat 1, the second locking piece 3 can be driven to extend towards the outside of the filter cartridge seat 1 through the meshing transmission assembly 5; in other embodiments, the first locking piece 2 and the second locking piece 3 are simultaneously connected with a reset piece 6, so that the automatic reset effect of the first locking piece 2 and the second locking piece 3 is enhanced, and the locking efficiency of the filter element locking mechanism in the water purifying equipment is improved; further preferably, the restoring member 6 is provided as a spring, which is easy to obtain and has low production cost.

Specifically, as shown in fig. 2-6, the first locking member 2 is provided with a first through hole 21, a first side wall 211 is provided in the first through hole 21, a second side wall 421 is provided in the guiding portion 42, the guiding portion 42 extends into the first through hole 21, and the second side wall 421 is opposite to the first side wall 211; the driving member 4 rotates relative to the cartridge holder 1 through the rotation portion 41, and drives the second side wall 421 to push the first side wall 211, so that the first locking member 2 is retracted toward the cartridge holder 1. In this embodiment, the first through hole 21 is longitudinally penetrating through the middle of the first locking element 2, and the first through hole 21 can accommodate the guide portion 42, fig. 1 and fig. 4 show a state when the driving element 4 is not driven, the top surface of the driving element 4 is parallel to the bottom of the filter element seat 1, and the first locking element 2 is in a state of extending out of the filter element seat 1, at this time, the guide portion 42 is approximately perpendicular to the top surface of the driving element 4, and the second side wall 421 abuts against the first side wall 211; fig. 5 and fig. 6 show a state when one end of the driving member 4 rotates, when the driving member 4 is rotated by an external force through the rotating portion 41, the second side wall 421 is driven to push the first side wall 211, so as to push the first locking member 2 by the guiding portion 42, so that the first locking member 2 is retracted toward the filter element seat 1; further preferably, the rotating part 41 may adopt a hinged structure, and the hinge is a common rotation connection implementation, so that the structure is simple, the application is wide, and the production, the implementation and the maintenance of the driving piece 4 are easy; further preferably, the first side wall 211 and the second side wall 421 may be configured as a plane or an arc surface, which are adapted to each other, and the structure is simple, and the production and implementation are easy; further preferably, the rotating portion 41 and the guiding portion 42 are integrally formed with the driving member 4, so that the manufacturing process of the driving member 4 is simplified, the production cost is reduced, and the production efficiency of the driving member 4 is improved.

Specifically, as shown in fig. 4 and 6, the driving member 4 is further provided with an operation portion 43 far away from the rotation portion 41, the operation portion 43 includes a first through hole 431, a second through hole 432 disposed at a lower side of the first through hole 431, and an arc-shaped connection section 433 disposed between the first through hole 431 and the second through hole 432, the first through hole 431 is in communication with the second through hole 432, and an aperture of the first through hole 431 is smaller than or equal to an aperture of the second through hole 432. In this embodiment, the operating portion 43 is disposed at one end of the driving member 4, the rotating portion 41 is disposed at the other end of the driving member, the guiding portion 42 is disposed at one side of the rotating portion 41, specifically, the first through hole 431 and the second through hole 432 penetrate through one end of the driving member 4, preferably, the aperture of the first through hole 431 is smaller than the aperture of the second through hole 432, the aperture of the first through hole 431 is adapted to the size of a human finger or larger than the size of a human finger, the arc connecting section 433 is circumferentially disposed between the first through hole 431 and the second through hole 432, when the user dials the driving member 4, the finger sleeve is disposed in the first through hole 431 and the second through hole 432, and the driving member 4 can be rotated upwards relative to the filter element seat 1 by applying force to the arc connecting section 433, and the outer contour of the arc connecting section 433 is relatively round and smooth, so that the user can be prevented from being injured, and the user can feel comfortable when operating the user; further preferably, during the production process of the driving member 4, the operation portion 43 may be formed by an integral injection molding process, the manufacturing process is simple, and the overall structure of the operation portion 43 is simple and easy to be produced and implemented.

Specifically, as shown in fig. 2, 3, 7 and 8, the engagement transmission assembly 5 includes a first tooth portion 51 connected to the first locking member 2, a driven gear 52 rotatably connected to the inside of the cartridge holder 1, and a second tooth portion 53 connected to the second locking member 3, where the first tooth portion 51 and the second tooth portion 53 are respectively engaged and connected to two sides of the driven gear 52. In this embodiment, a first rack is disposed at one end of the first locking member 2 to form a first tooth portion 51, a second rack is disposed at one end of the second locking member 3 to form a second tooth portion 53, when assembled, the driven gear 52 is connected to the center of the cartridge seat 1 in a circumferential rotation manner, the first tooth portion 51 and the second tooth portion 53 are respectively engaged and connected to the upper and lower sides of the driven gear 52, as shown in fig. 7, when the first locking member 2 is retracted towards the cartridge seat 1 by the pushing force of the guide portion 42, the first tooth portion 51 moves leftwards relative to the driven gear 52, the driven gear 52 is driven to rotate clockwise by the first tooth portion 51, and the second tooth portion 53 is driven to move rightwards by the driven gear 52, so that the second locking member 3 is driven to retract inwards towards the cartridge seat 1 by the second tooth portion 53, so as to unlock the cartridge seat 1; as shown in fig. 8, when the second locking member 3 is pushed by the restoring member 6 to extend out of the cartridge holder 1, the second tooth 53 moves leftwards relative to the driven gear 52, the driven gear 52 is driven by the second tooth 53 to rotate anticlockwise, and the first tooth 51 is driven by the driven gear 52 to move rightwards, so that the first locking member 2 is driven by the first tooth 51 to extend out of the cartridge holder 1, so as to realize locking of the cartridge locking mechanism; it should be noted that one of the embodiments described above, by means of the arrangement of the return element 6, describes the movement of the engagement transmission assembly 5 when the first locking element 2 and the second locking element 3 are extended towards the outside of the cartridge holder 1; the meshing transmission mode has the characteristics of high transmission efficiency, stable operation, small size, high durability and the like, the meshing transmission assembly 5 can be adapted to the filter element locking mechanism, the unlocking and locking efficiency of the filter element locking mechanism can be improved, and the assembly is simple.

Specifically, as shown in fig. 4, 6, 7 and 8, a positioning portion 13 for connecting the reset member 6 is provided in the filter element seat 1, the second locking member 3 is provided with a second through hole 31, the positioning portion 13 extends into the second through hole 31, and the positioning portion 13 is used for limiting the displacement distance of the second locking member 3 extending towards the outside of the filter element seat 1. In this embodiment, the second locking member 3 is similar to the first locking member 2 in structure, that is, a second through hole 31 is provided in the second locking member 3, the filter cartridge seat 1 is provided with the positioning portion 13, specifically, the positioning portion 13 includes a limiting plate 131 disposed at the bottom of the filter cartridge seat 1, a positioning post 132 for connecting the reset member 6 is disposed on the limiting plate 131, the positioning portion 13 is simple in structure and easy to be manufactured and implemented, when assembled, the limiting plate 131 extends upward from the bottom of the filter cartridge seat 1 and into the second through hole 31 in the second locking member 3, the reset member 6 is connected between the positioning post 132 and the second locking member 3, and when the second locking member 3 is pushed by the pushing force of the reset member 6 to extend out of the filter cartridge seat 1, the second locking member 3 moves to the outside of the filter cartridge seat 1 until the inner wall of the second locking member 3 abuts against the side wall of the limiting plate 131, so as to limit the second locking member 3 to move within a certain range, thereby preventing the second locking member 3 from moving out of the driven tooth 52 from the normal running of the filter cartridge 52; further preferably, the positioning portion 13 and the filter element seat 1 are integrally formed, and can be produced by adopting an integral injection molding process, so that the production cost is low, the assembly of the filter element locking mechanism is simplified, and the production efficiency of the filter element locking mechanism is improved.

Specifically, as shown in fig. 2-4, a partition 7 is disposed between the driving member 4 and the meshing transmission assembly 5, the driving member 4 is connected to the partition 7 through the rotating portion 41, and the guiding portion 42 extends from the bottom of the driving member 4 to the lower side of the partition 7 and abuts against the first locking member 2. In this embodiment, the partition 7 is installed in the filter element seat 1 and is disposed on the upper portion of the engagement transmission assembly 5, a hinge structure corresponding to the rotating portion 41 is disposed in the partition 7, one side of the hinge structure is an open end, when the filter element seat is assembled, one end of the driving member 4 is hinged to the partition 7 through the rotating portion 41, and the guiding portion 42 is disposed on the lower side of the partition 7 and extends into the first through hole 21 of the first locking member 2, when the driving member 4 is not driven, the end, far away from the rotating portion 41, of the driving member 4 is disposed on the partition 7, so that a user can conveniently drive the driving member 4.

Preferably, as shown in fig. 2 and 3, a first connecting portion 14 is further provided in the cartridge holder 1, a second connecting portion 71 corresponding to the first connecting portion 14 is provided in the partition 7, and the partition 7 is mounted on the upper portion of the engagement transmission assembly 5 by correspondingly locking the second connecting portion 71 and the first connecting portion 14. In this embodiment, the first connecting portions 14 are provided with a plurality of first cylindrical barrels, and are symmetrically distributed on two sides of the engagement transmission assembly 5, preferably, the first connecting portions 14 are provided with first cylindrical barrels, each cylindrical barrel is connected to the bottom of the inner cavity of the filter core holder 1, correspondingly, the plurality of second connecting portions 71 are respectively provided on two sides of the partition board 7, the second connecting portions 71 are provided with second cylindrical barrels correspondingly sleeved with the first connecting portions 14, and correspondingly matched and sleeved with the upper portions of the first connecting portions 14 through the second connecting portions 71, so that the partition board 7 is installed on the upper portion of the engagement transmission assembly 5; further preferably, the second connecting portion 71 and the first connecting portion 14 are further fixed by a fastener such as a screw, a bolt, etc., and the installation stability of the partition 7 is enhanced by the fastener, so as to further enhance the stability of the whole filter element locking mechanism; further preferably, the first connecting portion 14 and the filter element seat 1 are integrally formed, and the second connecting portion 71 and the partition 7 are integrally formed, so that the filter element locking mechanism is easy to assemble, and the structural stability of the filter element seat 1 and the partition 7 is enhanced.

Preferably, as shown in fig. 2 and 3, the filter element seat 1 is provided with connection plates 15 respectively located at two sides of the first locking member 2 and the second locking member 3, the two connection plates 15 are respectively provided with a third connection portion 151, the bottom of the partition 7 is provided with a fourth connection portion 72, and the fourth connection portion 72 and the third connection portion 151 are correspondingly fastened, so that the partition 7 is installed on the upper portion of the connection plate 15. In this embodiment, the opposite side walls of the two connecting plates 15 are respectively attached to two sides of the first locking member 2 and the second locking member 3, so that a chute for sliding the first locking member 2 and the second locking member 3 is formed between the two connecting plates 15 and the filter element seat 1 in a surrounding manner, so as to improve the stability of the inner and outer telescopic movement of the first locking member 2 and the second locking member 3 relative to the filter element seat 1; further preferably, the third connecting portion 151 is provided with a plurality of clamping grooves, and the fourth connecting portion 72 is provided with barbs which are positioned at the bottom of the partition board 7 and are correspondingly buckled with the clamping grooves, so that the structure is simple, and the production and the implementation and the disassembly and the assembly of the partition board 7 are easy; further preferably, the two connecting plates 15 and the filter element seat 1 are integrally formed, and the fourth connecting portion 72 and the partition 7 are integrally formed, so that the assembly difficulty of the filter element locking mechanism is reduced, and the production cost is reduced.

Specifically, as shown in fig. 2-4, the filter element locking mechanism further includes a top cover 8 connected to the upper portion of the filter element seat 1, and the top cover 8 is provided with a third opening 81 adapted to the driving member 4. Further, an extension wall 82 is disposed at the lower portion of the third opening 81, the extension wall 82 surrounds an accommodating space adapted to the driving member 4, the accommodating space is communicated with the third opening 81, a bump 44 is disposed on an outer wall of the driving member 4, and a limit step 83 corresponding to the bump 44 is disposed in the extension wall 82. In this embodiment, the ejector rod is fastened to the upper portion of the filter core seat 1, and is used to seal the interior of the filter core seat 1, so as to reduce dust falling and dust accumulation in the interior of the filter core seat 1; when the driving member 4 is not driven to rotate, the top surface of the driving member 4 is flush with the top surface of the top cover 8, so as to facilitate the overall aesthetic degree of the filter element assembly, at this time, the protruding block 44 is blocked by the limiting step 83 to fix the driving member 4, the protruding block 44 can be moved up relative to the limiting step 83 only by slightly applying force to the driving member 4 by a user, and by arranging the limiting step 83, the situation that the driving member 4 spontaneously rotates through the rotating part 41 due to the position reversal of the filter element locking mechanism, so that the filter element locking mechanism is automatically unlocked can be avoided, and the top cover 8 has a simple structure and is easy to produce and implement; further preferably, the limiting step 83 is configured as a concave arc surface, the external shape of the protruding block 44 is adapted to the limiting step 83, and when the user drives the driving member 4, the protruding block 44 is guided to move upwards through the arc surface, thereby saving time and labor; preferably, the side wall of the top cover 8 is also provided with a fourth opening and a fifth opening for the first locking piece 2 and the second locking piece 3 to pass through, and the connection stability of the top cover 8 and the filter cartridge seat 1 is enhanced by prolonging the height of the side wall of the top cover 8, wherein the fourth opening and the fifth opening are abducted for the first locking piece 2 and the second locking piece 3; further preferably, a plurality of reinforcing ribs are arranged at equal intervals on the outer side of the extension wall 82, and the other ends of the reinforcing ribs are connected with the top cover 8, so as to enhance the overall structural stability of the top cover 8.

The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.

Claims (10)

1. The filter element locking mechanism is characterized by comprising a filter element seat (1), a first locking piece (2), a second locking piece (3), a driving piece (4) and a meshing transmission assembly (5), wherein the filter element seat (1) is provided with a first opening (11) for the first locking piece (2) to pass through and a second opening (12) for the second locking piece (3) to pass through, the driving piece (4) is provided with a rotating part (41) and a guide part (42) positioned at one side of the rotating part (41), the driving piece (4) is connected in the filter element seat (1) through the rotating part (41), and the meshing transmission assembly (5) is arranged in the filter element seat (1) and is connected between the first locking piece (2) and the second locking piece (3);

the driving piece (4) rotates relative to the filter core seat (1) through the rotating part (41) and drives the guide part (42) to push the first locking piece (2), the first locking piece (2) is retracted towards the filter core seat (1) through the first opening (11) through the guide part (42), and the second locking piece (3) is driven to retract towards the filter core seat (1) through the second opening (12) through the meshing transmission assembly (5);

the first locking piece (2) and/or the second locking piece (3) are/is connected with a reset piece (6), and the reset piece (6) is used for enabling the first locking piece (2) and/or the second locking piece (3) to extend towards the outside of the filter element seat (1).

2. The filter element locking mechanism with simple operation as claimed in claim 1, wherein a first through hole (21) is formed in the first locking member (2), a first side wall (211) is formed in the first through hole (21), a second side wall (421) is formed in the guiding portion (42), the guiding portion (42) extends into the first through hole (21) and the second side wall (421) is opposite to the first side wall (211); the driving piece (4) rotates relative to the filter element seat (1) through the rotating part (41), and drives the second side wall (421) to push the first side wall (211) so that the first locking piece (2) is retracted towards the filter element seat (1).

3. The filter element locking mechanism with simple operation as in claim 1, wherein the driving member (4) is further provided with an operation portion (43) far away from the rotation portion (41), the operation portion (43) comprises a first through hole (431), a second through hole (432) arranged at the lower side of the first through hole (431), and an arc-shaped connecting section (433) arranged between the first through hole (431) and the second through hole (432), the first through hole (431) is communicated with the second through hole (432), and the aperture of the first through hole (431) is smaller than or equal to that of the second through hole (432).

4. A filter cartridge locking mechanism according to claim 1, wherein the engagement transmission assembly (5) comprises a first tooth portion (51) connected with the first locking member (2), a driven gear (52) rotatably connected in the cartridge holder (1), and a second tooth portion (53) connected with the second locking member (3), and the first tooth portion (51) and the second tooth portion (53) are respectively engaged and connected to two sides of the driven gear (52).

5. A filter element locking mechanism according to claim 1, characterized in that a positioning part (13) for connecting the resetting member (6) is provided in the filter element seat (1), the second locking member (3) is provided with a second through opening (31), the positioning part (13) extends into the second through opening (31), and the positioning part (13) is used for limiting the displacement distance of the second locking member (3) extending towards the outside of the filter element seat (1).

6. A cartridge locking mechanism according to claim 1, characterized in that a spacer (7) is provided between the driving element (4) and the engagement transmission assembly (5), the driving element (4) being connected to the spacer (7) by means of the turning part (41), and the guiding part (42) extending from the bottom of the driving element (4) to the underside of the spacer (7) and abutting against the first locking element (2).

7. The filter element locking mechanism with simple operation as claimed in claim 6, wherein a first connecting portion (14) is further provided in the filter element seat (1), a second connecting portion (71) corresponding to the first connecting portion (14) is provided in the partition plate (7), and the partition plate (7) is mounted on the upper portion of the engagement transmission assembly (5) by being correspondingly clamped with the first connecting portion (14) through the second connecting portion (71).

8. The filter element locking mechanism with simple operation as claimed in claim 6, wherein connecting plates (15) respectively located at two sides of the first locking piece (2) and the second locking piece (3) are arranged in the filter element seat (1), third connecting portions (151) are respectively arranged in the two connecting plates (15), fourth connecting portions (72) are arranged at the bottom of the partition plate (7), and the fourth connecting portions (72) and the third connecting portions (151) are correspondingly fastened, so that the partition plate (7) is installed on the upper portion of the connecting plates (15).

9. A cartridge locking mechanism according to claim 1, further comprising a cap (8) attached to the upper portion of the cartridge housing (1), the cap (8) being provided with a third opening (81) adapted to the driver (4).

10. A cartridge locking mechanism according to claim 9, characterized in that the lower part of the third opening (81) is provided with an extension wall (82), the extension wall (82) surrounds a receiving space adapted to the driving member (4), and the receiving space is communicated with the third opening (81), the outer wall of the driving member (4) is provided with a projection (44), and the extension wall (82) is provided with a limit step (83) corresponding to the projection (44).