CN212669231U

CN212669231U - Water purifier

Info

Publication number: CN212669231U
Application number: CN202020655445.4U
Authority: CN
Inventors: 朱泽春; 张德知; 宋斌
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-03-09
Anticipated expiration: 2030-04-26

Abstract

A water purifier comprises a filter element connecting assembly, a filter element and an unlocking mechanism, wherein the filter element connecting assembly is provided with a containing groove, the filter element is provided with a filter element head installed in the containing groove, the filter element connecting assembly comprises a locking ring and a first elastic piece, and the locking ring is arranged to be capable of resetting under the elastic action of the first elastic piece and locking the filter element head after the filter element head is inserted to an installation position; the unlocking mechanism comprises a trigger part arranged at one end of the filter element head and an operating part arranged at one end far away from the filter element head, the unlocking mechanism is arranged to operate the operating part and can drive the trigger part to rotate the lock ring to an unlocking position, and the filter element head is separated from the accommodating groove when in the unlocking position. The utility model discloses a purifier makes things convenient for the dismouting operation of filter core, improves filter core dismouting efficiency.

Description

Water purifier

Technical Field

The application relates to the technical field of water purifying equipment, in particular to a water purifier.

Background

The filter core of purifier inside needs regularly to dismantle the change to guarantee the normal work of purifier. In some technologies, the filter core of purifier adopts the fixed scheme of rotation type, need carry out the rotation action to the filter core at filter core dismouting in-process. This kind of scheme is inconvenient to operate at the filter core dismantlement in-process, and some still need waste time and energy with the help of supporting assembly and disassembly tools etc. and the dismouting efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a water purifier to make things convenient for the dismouting operation of filter core, improve filter core dismouting efficiency.

In order to achieve the purpose of the invention, the technical scheme of the application is as follows: a water purifier comprises a filter element connecting assembly, a filter element and an unlocking mechanism, wherein the filter element connecting assembly is provided with a containing groove, the filter element is provided with a filter element head installed in the containing groove, the filter element connecting assembly comprises a locking ring and a first elastic piece, and the locking ring is arranged to be capable of resetting under the elastic action of the first elastic piece and locking the filter element head after the filter element head is inserted to an installation position; the unlocking mechanism comprises a trigger part arranged at one end of the filter element head and an operating part arranged at one end far away from the filter element head, the unlocking mechanism is arranged to operate the operating part and can drive the trigger part to rotate the lock ring to an unlocking position, and the filter element head is separated from the accommodating groove when in the unlocking position.

The filter core coupling assembling's setting for when the filter core was installed, directly press the filter core and just can guarantee the installation of filter core and target in place under the effect of catch, lock the filter core simultaneously. Like this, the filter core only one-way insertion action and not rotatory action at the in-process of installing in the holding tank, can make the dismouting operation of filter core more simple and convenient swift, release mechanism's setting simultaneously, can let user's direct operation operating portion just can control the trigger part that is located the filter core head, can let the filter core switch to the unblock state from the lock state, and can guarantee to drive the filter core when the unblock state and deviate from the holding tank, thus, the locking of filter core has not only been guaranteed, the unblock of filter core has still been solved, make the renew cartridge more labour saving and time saving, user's use sense has been promoted.

Furthermore, the unlocking mechanism further comprises a guide post, the locking ring is further provided with a pushing handle, one end of the guide post is connected with the operating part, the other end of the guide post is connected with the triggering part, and when the operating part is operated, the guide post drives the triggering part to push the pushing handle to unlock the filter element.

The push handle is arranged on the lock ring, so that the trigger part of the unlocking mechanism can push the push handle to enable the filter element connecting assembly to unlock the filter element, and the trigger part can conveniently trigger the unlocking function. Unlocking mechanism sets up the guide post, like this, conveniently connects operation portion and trigger portion, simultaneously, also can make operation portion and trigger portion between the distance unrestricted, for leaving the design space in the aspect of factors such as the design length of filter element group spare, the user only needs the one end operation at operation portion just can guarantee to trigger the unblock of portion to the filter core, and is convenient, succinct.

Furthermore, the trigger part comprises a pushing block and a second elastic piece, the operating part is a pressing operating part, when the pressing operating part is pressed, the guide column rotates along the first direction and presses the second elastic piece, so that the pushing block presses the pushing handle to apply acting force for rotating the locking ring to the unlocking position.

Set up the operating portion into the push type, as long as the user presses the operating portion like this, just can guarantee drive division unblock filter core, make and trade the core operation more convenient, laborsaving.

Furthermore, the pushing block is arranged along the tangential direction of the periphery of the locking ring, the pushing block is provided with a driving inclined surface, and the pushing handle is arranged below the driving inclined surface and is abutted against the driving inclined surface.

Through the cooperation that promotes piece and drive inclined plane, make trigger part more laborsaving to the promotion of catch, simultaneously, push away the handle and set up in the below on drive inclined plane, like this the user when pressing the operating portion, power transmits through the guide post and promotes the piece, promotes the piece downstream, and the drive inclined plane can be given a gliding direction trend of pushing away the handle, makes the unblock of catch realize more easily.

Furthermore, the triggering part is a pull wire and a third elastic part, one end of the pull wire is fixed on the guide post, the other end of the pull wire is fixed on the push handle, the operation part is a pressing operation part, when the pressing operation part is pressed, the guide post rotates along the first direction and extrudes the third elastic part, so that the pull wire pulls the push handle to apply the acting force of the lock ring rotating to the unlocking position.

Through setting up to act as go-between, use to act as go-between to draw when pressing the operating portion and draw and push away the handle for the catch rotates to the unblock position, and the user can directly control through the operating portion and push away the handle like this, makes the operation laborsaving, succinct more.

Furthermore, the triggering part is a shifting block, the operating part is a knob type operating part, and when the knob type operating part is rotated, the guide column rotates along the second direction, so that the shifting block applies acting force to the push handle to enable the lock ring to rotate to the unlocking position.

Furthermore, the pulling block is a cam, the cam is arranged in a protruding mode along the tangential direction of the periphery of the locking ring, and the outer edge of the pushing handle is abutted to the cam.

When a user unlocks the filter element, the knob is rotated, the guide column rotates along with the knob, the cam is driven to push the push handle, and the lock ring is switched to an unlocking position. Therefore, the rotary knob type operation part is directly arranged to push the lock ring to unlock the filter element, so that the filter element is more labor-saving and convenient.

Further, the purifier still includes support and water route board, the support is established including the cover the sleeve in the filter core outside, telescopic one end is fixed on the water route board, just the filter core head is followed telescopic one end is stretched out and is installed in the holding tank.

The water purifier inner support and the sleeve are arranged, so that an accommodating space is provided for the filter element, the installation position of the filter element is limited, and the machine body is more stable in installation. The water route board setting of sleeve one end has guaranteed the filter core head and has been connected stably with the water route board.

Furthermore, the unlocking mechanism is arranged along the length direction of the sleeve, a first mounting plane is arranged at one end, facing the filter element head, of the sleeve, a protruding fixing column is arranged on the first mounting plane, and the filter element connecting assembly is arranged between the first mounting plane and the water circuit board through the fixing column.

Furthermore, one end of the sleeve, which is far away from the water circuit board, is provided with a second mounting plane, and the operating part is arranged on the second mounting plane in a protruding mode.

The operating part and the driving part of the unlocking mechanism are respectively arranged at two ends of the filter element, so that the user only needs to operate towards one end of the user to unlock the filter element, and the step of disassembling and assembling the filter element is simplified.

The beneficial effect of this application: firstly, the filter core inserts and installs the in-process of installing at the holding tank and only need one-way insertion action and do not have the rotation action, compares in the rotatory fixed scheme of filter core among the prior art, and the dismouting operation of filter core is more simple and convenient, swift, can improve the dismouting efficiency of filter core. Secondly, the setting of release mechanism can utilize the elastic component to exert the reasoning to the filter core head to can make the filter core pop out automatically after the unblock, let the user only through operate at the operation end can, make easy and simple to handle, make things convenient for the filter core to dismantle.

Drawings

Fig. 1 is a partial exploded view of a water purifier according to a first embodiment of the present application;

fig. 2 is a schematic view of a cartridge connector assembly of the present application;

fig. 3 is a schematic view of an angle of the cartridge connector assembly of the present application;

fig. 4 is a schematic view of a base of the cartridge connector assembly of the present application;

fig. 5 is a schematic view of a locking collar of the cartridge connector assembly of the present application;

fig. 6 is a schematic view of a cartridge head of the cartridge connector assembly of the present application;

FIG. 7 is a sectional view taken along line A-A of FIG. 3;

fig. 8 is a schematic partial structural view of a water purifier according to a first embodiment of the present application;

FIG. 9 is a schematic view of a sleeve according to a first embodiment of the present application;

fig. 10 is a schematic view of a cartridge connector assembly and partial unlatching mechanism according to a first embodiment of the present application;

FIG. 11 is a schematic view of a guide post according to a first embodiment of the present application;

FIG. 12 is a schematic view of a second embodiment of the present application;

fig. 13 is a schematic view of a cartridge, cartridge connector assembly and release mechanism in accordance with a second embodiment of the present application;

FIG. 14 is a schematic view of a third embodiment of the present application;

fig. 15 is a schematic view of a cartridge connector assembly and release mechanism in accordance with a third embodiment of the present application;

FIG. 16 is a schematic view of a knob of an unlocking mechanism in the third embodiment of the present application;

fig. 17 is a schematic view of a guide post of an unlocking mechanism in the third embodiment of the present application.

Detailed Description

The technical solution of the present invention will be further described by means of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-17, the present invention provides a water purifier, which includes a filter element connecting assembly 2, a filter element 3 and an unlocking mechanism 1, wherein the filter element connecting assembly 2 is provided with a receiving groove 21, the filter element 3 is provided with a filter element head 31 installed in the receiving groove 21, the filter element connecting assembly 2 includes a locking ring 22 and a first elastic member 23, the locking ring 22 is configured to be capable of being reset and locking the filter element head 31 under the elastic force of the first elastic member 23 after the filter element head 31 is inserted into an installation position; the unlocking mechanism 1 comprises a trigger part 11 arranged at one end of the filter element head 31 and an operating part 12 arranged at one end far away from the filter element head 31, the unlocking mechanism 1 is arranged to operate the operating part 12 and can drive the trigger part 11 to rotate the lock ring 22 to an unlocking position, and the filter element head 31 is separated from the accommodating groove 21 at the unlocking position.

The unlocking mechanism 1 further comprises a guide post 13, the lock ring 22 is further provided with a push handle 221, one end of the guide post 13 is connected with the operation portion 12, the other end of the guide post 13 is connected with the trigger portion 11, and when the operation portion 12 is operated, the guide post 13 drives the trigger portion 11 to push the push handle 221 to unlock the filter element 3. The push handle is arranged on the lock ring, so that the trigger part of the unlocking mechanism can push the push handle to enable the filter element connecting assembly to unlock the filter element, and the trigger part can conveniently trigger the unlocking function. Unlocking mechanism sets up the guide post, like this, conveniently connects operation portion and trigger portion, simultaneously, also can make operation portion and trigger portion between the distance unrestricted, for leaving the design space in the aspect of factors such as the design length of filter element group spare, the user only needs the one end operation at operation portion just can guarantee to trigger the unblock of portion to the filter core, and is convenient, succinct.

The purifier still includes support 5 and water route board 5, support 5 is established including the cover sleeve 7 in the filter core 3 outside, the one end of sleeve 7 is fixed on the water route board 5, just the filter core head 31 is followed sleeve 7's one end is stretched out and is installed in holding tank 21. The water purifier inner support and the sleeve are arranged, so that an accommodating space is provided for the filter element, the installation position of the filter element is limited, and the machine body is more stable in installation. The water route board setting of sleeve one end has guaranteed the filter core head and has been connected stably with the water route board.

The unlocking mechanism 1 is arranged along the length direction of the sleeve 7, a first installation plane 71 is arranged at one end, facing the filter element head 31, of the sleeve 7, a protruding fixing column 711 is arranged on the first installation plane 71, and the filter element connecting assembly 2 is arranged between the first installation plane 71 and the water circuit board 6 through the fixing column 711. A second mounting plane 72 is arranged at one end of the sleeve 7 far away from the water passage plate 6, and the operating part 12 is arranged on the second mounting plane 72 in a protruding mode. The operating part and the driving part of the unlocking mechanism are respectively arranged at two ends of the filter element, so that the user only needs to operate towards one end of the user to unlock the filter element, and the step of disassembling and assembling the filter element is simplified.

As shown in fig. 1 to 7, the cartridge connecting assembly 2 includes a receiving groove 21, a locking ring 22, a first elastic member 23, a pressing plate 24, and a base 25. As shown in fig. 4, the receiving groove 21 is disposed on the base and has a circular shape, the pressing plate 24 includes an annular plate 242, and the locking ring 22 is disposed between the groove edge 211 of the receiving groove 21 and the annular plate 242 and can rotate in the circumferential direction of the receiving groove 21. The base is provided with a mounting groove 251 for mounting the first elastic member 23. As shown in fig. 5, the locking ring 22 is further provided with an annular rib 223, an outer circumferential surface of the annular rib 223 is rotationally matched with an inner circumferential surface of the receiving groove 21, and the clamping portion 222 is arranged on an inner circumferential surface of the locking ring 22. The lock ring 22 includes a ring-shaped lock ring body, the lock ring body is located between the groove edge 211 of the receiving groove 21 and the annular plate 242 of the pressing plate 24, the annular rib 223 is disposed on the side surface of the lock ring body facing the base 25, and the clamping portion 222 is disposed on the inner annular surface of the lock ring body.

As shown in fig. 5, the locking ring 22 is provided with a snap-in portion 222. The latch portion 222 has a guiding inclined surface 2221, as shown in fig. 6 and 7, the cartridge head 31 is provided with a latch 311, the latch 311 has an inclined surface 3111 matched with the guiding inclined surface 2221 of the latch portion 222, when the cartridge head 31 is inserted into the receiving groove 21, the inclined surface 3111 of the latch 311 gradually approaches and contacts with the guiding inclined surface 2221 of the latch portion 222, after the latch 22 is pushed by the inclined surface 3111 of the latch 311 on the cartridge head 31 to rotate due to the force of the guiding inclined surface 2221 of the latch portion 222, until the cartridge 3 is installed in place (i.e., the cartridge head 31 is inserted into the installation position), the latch portion 222 is no longer subjected to the force of the latch 311 and reversely rotates to reset under the elastic force of the first elastic member 23, and is latched to one side of the latch 311, thereby locking the cartridge head 31.

As shown in fig. 3 to 7, a notch 241 is provided on an inner circumferential surface of the annular plate 242 of the pressing plate 24, the notch 241 is configured to allow the latch 3111 to pass through during the insertion of the filter head 31 into the receiving groove 21, and the latching portion 222 is configured to latch on a side of the latch 311 facing the notch 241 after the locking ring 22 is reset. Wherein, the latch portion 222 of the locking ring 22 is disposed toward the notch groove 241, in the process of inserting the filter element head 31 into the receiving groove 21, the latch 311 of the filter element head 31 passes through the notch groove 241 and gradually approaches the guiding inclined surface 2221 of the latch portion 222 of the locking ring 22 until the inclined surface 31111 of the latch 311 contacts the guiding inclined surface 2221 of the latch portion 222, then, the releasing portion 222 of the locking ring 22 rotates under the pushing of the latch 311 until the filter element head 31 is inserted into the mounting position, the locking ring 22 reversely rotates and resets under the elastic force of the first elastic member 23, the latch portion 222 of the locking ring 22 after resetting of the locking ring 22 is latched on the side surface of the latch portion 222 of the filter element head 31 toward the notch groove 241, that is, the latch portion 222 of the locking ring 22 blocks at the notch groove 242 to prevent the latch 311 of the filter element head 31 from being released from the notch groove 241, thereby preventing the filter element head 31 from being released from the receiving groove 21, and ensuring that the filter element.

Example one

As shown in fig. 8-11, the trigger 11 includes a pushing block 111 and a second elastic member 112, the operating unit 12 is a pressing operating unit, when the pressing operating unit 12 is pressed, the guide post 13 rotates in a first direction and presses the second elastic member 112, so that the pushing block 111 presses the pushing handle 221 to apply a force to rotate the lock ring 22 to the unlocking position. Set up the operating portion into the push type, as long as the user presses the operating portion like this, just can guarantee drive division unblock filter core, make and trade the core operation more convenient, laborsaving.

The pushing block 111 is arranged along the tangential direction of the periphery of the locking ring 22, the pushing block 111 is provided with a driving inclined surface 1111, and the pushing handle 221 is arranged below the driving inclined surface 1111 and is abutted against the driving inclined surface 1111. Through the cooperation that promotes piece and drive inclined plane, make trigger part more laborsaving to the promotion of catch, simultaneously, push away the handle and set up in the below on drive inclined plane, like this the user when pressing the operating portion, power transmits through the guide post and promotes the piece, promotes the piece downstream, and the drive inclined plane can be given a gliding direction trend of pushing away the handle, makes the unblock of catch realize more easily.

As shown in fig. 8, one end of the sleeve 7 is fixed on the water passage board 5, a first mounting plane 71 is provided on the end facing the water passage board 5, a fixing column 711 is provided on the first mounting plane 71, and the sleeve 7 is mounted on the water passage board 5 by the engagement of a screw and the fixing column 711.

As shown in fig. 9, the first mounting plane 71 is further provided with a limiting hole 712, the pushing block 111 of the triggering portion 11 is movably disposed in the limiting hole 712, and a portion of the end of the guide post 13 that penetrates through the limiting hole 712 may be provided with a screw and a gasket to prevent the end of the guide post 13 from coming out of the guide hole. The other end of the sleeve 7 is provided with a mounting hole 721, and the operation portion 12 is disposed through the mounting hole 721 to be exposed on the first mounting plane 71. In this embodiment, the operating portion 12 is a button, and when the user presses the button, the force is transmitted to the pushing block 111 along the guide post, and is further applied to the push handle 221 of the lock ring 22, thereby unlocking the filter cartridge.

In this embodiment, one end of the guide post 13 facing the waterway plate 6 is provided with a limiting rib 131, and the second elastic member 112 is a spring, and is sleeved on the guide post 13 and located between the limiting rib 131 and the waterway plate 6. An annular rib groove 62 may be formed on the waterway plate around the guide post 13, and one end of the second elastic member 112 may be located in the annular rib groove 62. As shown in fig. 11, the guiding column 13 may include a first rod 132 and a second rod 133 connected together, one end of the second rod 132 connected to the first rod 133 may be provided with a flat plug which is inserted into a slot provided at a corresponding end of the first rod 132 and connected to the first rod 132 by a fastener, the pushing block 111 is provided on the second rod 133, and the operating portion 12 is provided at one end of the second rod 133 of the first rod 132.

As shown in fig. 10, when the operating unit 12 is pushed to unlock the filter cartridge 3, the guide post 13 moves in the first direction (the longitudinal direction of the guide post 13), the stopper rib 131 of the guide post 13 compresses the second elastic member 112, and the pusher 111 of the guide post 13 applies a force to the push lever 221 to rotate the lock ring 22 to the unlock position. After the filter element 3 is unlocked, the guide post 13 is reversely moved and reset under the elastic force of the second elastic member 112. Wherein, the pushing block 111 is provided with a driving inclined surface 1111, the pushing block 111 may be substantially in a trapezoidal block structure, and the driving inclined surface 1111 of the pushing block 111 applies a force to the push handle 221 to rotate the lock ring 22 to the unlocking position during the movement of the guide post 13 in the first direction. The contact part of the pushing block 111 and the pushing handle 221 can be rounded (the pushing block 111 and the pushing handle 221 can be in line contact) to reduce the contact area of the two, so as to reduce the friction force between the two, and facilitate the stable rotation of the locking ring 22.

When the lock ring 22 rotates to the unlocking position, the latch 311 of the filter element head 31 is no longer clamped by the clamping part 222 of the lock ring 22.

Example two

The triggering part is a pulling wire 4 and a third elastic member 113, one end of the pulling wire 4 is fixed on the guide post 13, the other end is fixed on the push handle 221, the operating part 12 is a pressing operating part, when the pressing operating part 12 is pressed, the guide post 13 rotates along a first direction and extrudes the third elastic member 113, so that the pulling wire 4 pulls the push handle 221 to apply the acting force of the lock ring 22 rotating to the unlocking position. Through setting up to act as go-between, use to act as go-between to draw when pressing the operating portion and draw and push away the handle for the catch rotates to the unblock position, and the user can directly control through the operating portion and push away the handle like this, makes the operation laborsaving, succinct more.

In this embodiment, as shown in fig. 12-13, the trigger part further includes a pushing block 111, a boss 135 is provided on the guiding post 13, a screw is provided on the boss 135, and one end of the pulling wire 4 is fastened on the screw to connect with the guiding post 13. The sleeve 7 is provided with a wire harness fixing part 73, the wire harness fixing part 73 is provided with a wire harness transmission hole 731, the first mounting plane 71 of the sleeve 7 is provided with a wire through hole 713, and the other end of the pull wire 4 passes through the wire harness transmission hole 731 of the wire harness fixing part 73 on the sleeve 7, passes through the wire through hole 713 on the first mounting plane 71 and is finally tied on a screw of the push handle 221.

Thus, when the user pushes the operation unit 12 to unlock the filter, the guide post 13 moves in the first direction (the longitudinal direction of the guide post 13), the guide post 13 compresses the third elastic member 113, the pushing piece 111 of the guide post 13 applies a force to the push lever 221 to rotate the lock ring 22 to the unlock position, and the pull wire 4 pulls the push lever 221 with the movement of the guide post 13 to unlock the filter element. After the filter element is unlocked, the guide column 13 is reversely moved and reset under the elastic force of the third elastic member 113.

EXAMPLE III

The trigger 11 is a dial 114, the operation part 12 is a knob-type operation part, and when the knob-type operation part is rotated, the guide post 13 is rotated in a second direction, so that the dial 114 applies a force to the push handle 221 to rotate the lock ring 22 to the unlock position. The pusher 114 is a cam which is arranged to protrude in a tangential direction of the outer periphery of the lock ring 22, and the outer edge of the push handle 221 abuts against the cam. When a user unlocks the filter element, the knob is rotated, the guide column rotates along with the knob, the cam is driven to push the push handle, and the lock ring is switched to an unlocking position. Therefore, the rotary knob type operation part is directly arranged to push the lock ring to unlock the filter element, so that the filter element is more labor-saving and convenient.

In the present embodiment, as shown in fig. 14-17, the unlocking mechanism 1 adopts a knob unlocking mode, a position knob 121 is operated, one end of the guide column 13 is rotatably arranged on the waterway plate 6, and the other end of the guide column 13 can be provided with the knob 121. Guide post 13 is configured to rotate when knob 121 is rotated and to apply a force to push handle 221 via paddle 114 that rotates lock ring 22 to the unlocked position. The knob 121 may be provided with a rectangular insertion groove 1211, and one end of the guide post 13 connected to the knob 121 may be provided with a rectangular plug 134, and the plug 134 is inserted into the insertion groove 1211 of the knob 121 and connected to the knob 121 by a fastening member such as a screw.

Claims

1. A water purifier, which is characterized in that: comprises a filter element connecting component, a filter element and an unlocking mechanism, wherein the filter element connecting component is provided with a holding tank, the filter element is provided with a filter element head arranged in the holding tank,

the filter element connecting assembly comprises a locking ring and a first elastic piece, wherein the locking ring is arranged to be reset under the elastic force of the first elastic piece and lock the filter element head after the filter element head is inserted into an installation position;

the unlocking mechanism comprises a trigger part arranged at one end of the filter element head and an operating part arranged at one end far away from the filter element head,

the unlocking mechanism is arranged to operate the operating part and can drive the trigger part to rotate the lock ring to an unlocking position, and the filter element head is separated from the accommodating groove when in the unlocking position.

2. The water purifier of claim 1, wherein: the unlocking mechanism further comprises a guide post, the lock ring is further provided with a push handle, one end of the guide post is connected with the operation portion, the other end of the guide post is connected with the trigger portion, and when the operation portion is operated, the guide post drives the trigger portion to push the push handle to unlock the filter element.

3. The water purifier as recited in claim 2, wherein said trigger unit comprises a pushing block and a second elastic member, said operating unit is a pressing operating unit, when said pressing operating unit is pressed, said guide post rotates in a first direction and presses said second elastic member, so that said pushing block presses said push handle to apply a force that rotates said locking ring to said unlocking position.

4. A water purification machine according to claim 3, wherein: the pushing block is arranged along the tangential direction of the periphery of the locking ring, the pushing block is provided with a guide inclined plane, and the pushing handle is arranged below the guide inclined plane and is abutted against the guide inclined plane.

5. The water purifier of claim 2, wherein: the trigger part is a pull wire and a third elastic piece, one end of the pull wire is fixed on the guide post, the other end of the pull wire is fixed on the push handle, the operation part is a pressing operation part, when the pressing operation part is pressed, the guide post rotates along the first direction and extrudes the third elastic piece, so that the pull wire pulls the push handle to apply an acting force which enables the lock ring to rotate to the unlocking position.

6. The water purifier of claim 2, wherein: the trigger part is a shifting block, the operating part is a knob type operating part, and when the knob type operating part is rotated, the guide column rotates along a second direction, so that the shifting block applies acting force to the push handle to enable the lock ring to rotate to the unlocking position.

7. The water purifier of claim 6, wherein: the shifting block is a cam, the cam is arranged in a protruding mode along the tangential direction of the periphery of the locking ring, and the outer edge of the push handle is abutted to the cam.

8. The water purifier according to any one of claims 1-7, wherein: the water purifier further comprises a support and a water circuit board, the support is sleeved with a sleeve outside the filter element, one end of the sleeve is fixed on the water circuit board, and the filter element head extends out of one end of the sleeve and is installed in the accommodating groove.

9. The water purifier of claim 8, wherein: the unlocking mechanism is arranged along the length direction of the sleeve, a first mounting plane is arranged at one end, facing the filter element head, of the sleeve, a protruding fixing column is arranged on the first mounting plane, and the filter element connecting assembly is arranged between the first mounting plane and the water circuit board through the fixing column.

10. The water purifier of claim 8, wherein: one end of the sleeve, which is far away from the water circuit board, is provided with a second mounting plane, and the operating part is arranged on the second mounting plane in a protruding mode.