CN214763867U - Self-locking filter element assembly and water purifier with same - Google Patents

Self-locking filter element assembly and water purifier with same Download PDF

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Publication number
CN214763867U
CN214763867U CN202121300518.9U CN202121300518U CN214763867U CN 214763867 U CN214763867 U CN 214763867U CN 202121300518 U CN202121300518 U CN 202121300518U CN 214763867 U CN214763867 U CN 214763867U
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rail groove
locking
self
base
joint
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李章文
李章礼
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Abstract

The utility model discloses a self-locking filter element assembly and a water purifier using the same, which comprises a self-locking rod, a thrust elastic element, a reset elastic element, a base and a filter element arranged on the base, wherein a joint is formed on the filter element, the self-locking rod is provided with a hook, a self-locking motion guide rail groove for the hook to slide is arranged on the joint, the joint can be detachably inserted on the base, and the thrust elastic element is arranged between the joint and the base; the self-locking motion guide rail groove comprises an ascending rail groove, an entering locking rail groove, a locking rail groove, an unlocking rail groove and a descending rail groove which are sequentially communicated in an intersecting manner, wherein the leading-out end of the entering locking rail groove is reversely intersected with the leading-in end of the unlocking rail groove, the intersection part forms the locking rail groove, the bottom of the locking rail groove forms a locking position of a fixed clamping hook, the leading-in end of the descending rail groove is reversely intersected with the leading-out end of the unlocking rail groove, the leading-in end of the descending rail groove is smoothly connected with the leading-out end of the unlocking rail groove, and the leading-out end of the descending rail groove is provided with a guide rail outlet for sliding out of the clamping hook. The present case is pressed and can be realized auto-lock and unblock, improves the installation convenience of filter core, reduces use cost.

Description

Self-locking filter element assembly and water purifier with same
Technical Field
The utility model belongs to the technical field of the water purification filter core, in particular to auto-lock filter core subassembly and purifier of using thereof.
Background
According to the investigation of the world health organization, 80 percent of human diseases are related to water, and poor water quality can cause various diseases. Because the water pollution is increasingly serious, a batch of novel water purifying equipment aiming at purifying water quality is promoted and rapidly developed in a short time, and the water purifier becomes indispensable drinking water equipment for households. At present, physical filtration is adopted in most water purifiers on the market to physical filtration materials such as PP cotton, active carbon, RO reverse osmosis are taken as the owner, and the filter core is after using a period, because the attached accumulation of impurity leads to the filter core because the jam became invalid, consequently need regularly dismouting change the water purifier filter core.
However, the filter element structure is fine and complex, so that the work of replacing the filter element is generally handed to professional personnel for operation, which is inconvenient for users and invisibly increases living expenses.
At present, two main filter element replacing structures are arranged on the market, namely a manual filter element replacing structure and a self-locking filter element replacing structure, wherein the two filter elements are arranged on a fixed base, the manual filter element is manually rotated to enable the filter element to be connected to the base through threads, and a sealing ring is required to be placed at a joint to prevent water leakage; the other self-locking type is self-locked on the base through a self-locking structure during installation, but unlocking is assisted by an unlocking rod if unlocking is carried out, and a series of unlocking actions are added for unlocking.
Based on the above, current two kinds of filter core replacement structure self all have some defects, and the security is poor, and it is complicated to change the operation, wastes time and energy and brings a lot of inconveniences for the user again, and has increased the cost of renew cartridge. Along with the requirement to quality of life and fast rhythm is higher and higher, these defects can influence people's use always and experience, consequently the utility model discloses the people tries to break through prior art's bottleneck, provides a brand-new filter core replacement structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a auto-lock filter element group spare and purifier of using thereof presses and to realize auto-lock and unblock, improves the installation convenience of filter core greatly, reduces use cost.
To achieve the above object, the solution of the present invention is: a self-locking filter element assembly comprises a self-locking rod, a thrust elastic piece, a reset elastic piece, a base and a filter element arranged on the base, wherein a joint is formed on the filter element;
one end of the self-locking rod is rotatably connected to the base, and the other end of the self-locking rod is provided with a clamping hook;
the joint is provided with a self-locking movement guide rail groove for the hook to slide, the joint is detachably inserted on the base, and the thrust elastic part is arranged between the joint and the base and provides thrust for the self-locking of the joint on the base;
one end of the reset elastic piece is connected to the base, the other end of the reset elastic piece is connected to the self-locking rod, and the reset elastic piece is used for extruding the self-locking rod;
the self-locking motion guide rail groove comprises an ascending rail groove, a locking rail groove, an unlocking rail groove and a descending rail groove which are sequentially communicated in an intersecting manner, wherein the ascending rail groove comprises an ascending rail groove guide-in end and an ascending rail groove guide-out end;
the guide end of the ascending rail groove is provided with a guide rail inlet for the clamping hook to slide in, the guide end of the ascending rail groove is reversely intersected with the guide end of the locking rail groove, namely the ascending rail groove is intersected with the locking rail groove at an acute angle, and the guide end of the locking rail groove is lower than the guide end of the ascending rail groove, so that a locking non-return step is formed at the joint of the guide end of the locking rail groove and the guide end of the ascending rail groove and is used for preventing the clamping hook from returning to the ascending rail groove;
the leading-out end of the locking rail groove and the leading-in end of the unlocking rail groove are reversely intersected, namely the locking rail groove and the unlocking rail groove are intersected in a V shape, the locking rail groove is formed at the V-shaped intersection, the bottom of the locking rail groove forms a locking position for fixing a clamping hook, the locking rail groove is lower than the leading-out end of the locking rail groove, so that a locking step is formed at the intersection of the locking rail groove and the leading-out end of the locking rail groove, the locking step is used for preventing the clamping hook from returning to the locking rail groove, the locking rail groove is higher than the leading-in end of the unlocking rail groove, and the unlocking step is used for preventing the clamping hook from returning to the locking rail groove;
descending rail groove import end and unblock rail groove export end are the opposite crossing, it is crossing that descending rail groove and unblock rail groove are the acute angle promptly, descending rail groove import end and the smooth handing-over of unblock rail groove export end, descending rail groove export end be equipped with the guide rail export that supplies the trip roll-off.
Further, the base is provided with a groove for accommodating the self-locking rod, a window is arranged on the inner side of the groove and used for extending out of a clamping hook at one end of the self-locking rod, an opening opposite to the window is formed in the outer side of the groove and is covered by a cover plate, and one end of the reset elastic piece is sleeved on the cover plate and is connected to the base.
Further, the inner side of the groove is provided with a convex shaft, the bottom end of the self-locking rod is sleeved on the convex shaft, and the convex shaft and the reset elastic piece are arranged in parallel.
Further, an inner cavity is formed in the base, the joint is detachably connected with the inner cavity in an inserting mode, the joint is provided with a filter element water inlet and a filter element water outlet, and the inner cavity is correspondingly provided with a base water inlet in butt joint with the filter element water inlet and a base water outlet in butt joint with the filter element water outlet.
Furthermore, a thrust elastic piece and a one-way valve are arranged in the water inlet and the water outlet of the base, the thrust elastic piece pushes out a joint inserted in the inner cavity, and the clamping hook falls into the locking position to tighten and fix the joint.
Further, the degree of depth of going up the rail groove is by going up the rail groove leading-in end to going up the rail groove derivation end and shallowing gradually, the degree of depth of down the rail groove is by going down the rail groove leading-in end to going down the rail groove derivation end and shallowing gradually, the degree of depth of down the rail groove derivation end is less than go into the degree of depth of lock rail groove derivation end to the guide rail export that forms down the rail groove derivation end is higher than the guide rail entry of going up the rail groove derivation end, the guide rail export of down the rail groove derivation end intersects in going up the rail groove derivation end.
Further, the guide rail inlet is wedge-shaped.
Furthermore, the end that the elastic component that resets is connected with the self-locking lever forms the ring, and the ring supplies the vertical wearing of self-locking lever to put.
Furthermore, two sides of the base are respectively provided with a self-locking rod, two sides of the joint are respectively provided with a self-locking motion guide rail groove corresponding to the self-locking rods, and the self-locking rods on the same side correspondingly slide in the self-locking motion guide rail grooves on the same side.
According to another aspect of the utility model, a water purifier is provided, including above-mentioned arbitrary auto-lock filter element group spare.
After the technical scheme is adopted, the beneficial effects of the utility model reside in that:
the utility model discloses have unique auto-lock motion guide rail groove, only need once press the filter core when the filter core installation push can, make from the locking lever operation to locking position, press once again during the unblock, pop out the filter core, greatly increased the convenience of filter core installation change, greatly shortened installation, change time, the user can oneself change, do not need the user to possess installation technique and instrument, need not professional change personnel, let the user use convenient and fast more, overturned the installation change mode of traditional filter core.
Drawings
Fig. 1 is a schematic perspective view of a self-locking filter element assembly according to an embodiment of the present invention;
FIG. 2 is an exploded view of a self-locking filter cartridge assembly according to an embodiment of the present invention;
fig. 3 is a schematic front view of a self-locking filter element assembly according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view taken along A-A of FIG. 3;
FIG. 5 is an enlarged schematic view of the structure at B in FIG. 4;
fig. 6 is a schematic structural view of the inside of the groove (with the cover plate opened) according to an embodiment of the present invention;
fig. 7 is a schematic perspective view of a joint according to an embodiment of the present invention;
fig. 8 is a schematic perspective view of a joint according to an embodiment of the present invention;
fig. 9 is a schematic front view of a joint according to an embodiment of the present invention;
FIG. 10 is a schematic view of the guide rail inlet guide of the self-locking lever according to an embodiment of the present invention;
FIG. 11 is a schematic view of the structure of the self-locking bar leading into the ascending rail groove according to an embodiment of the present invention;
fig. 12 is a schematic view of an embodiment of the present invention showing the maximum travel point from the locking bar to the locking rail slot;
fig. 13 is a schematic view of an embodiment of the present invention from the locking bar to the locking rail groove;
fig. 14 is a schematic structural view illustrating the self-locking lever reaching the maximum travel point of the unlocking rail groove according to an embodiment of the present invention;
fig. 15 is a schematic view of the structure of an embodiment of the present invention for reaching the down rail groove from the lock bar;
fig. 16 is a schematic view of the construction of an embodiment of the present invention in which the self-locking lever is guided out of the exit of the guide rail;
fig. 17 is a schematic perspective view of a base according to an embodiment of the present invention (hidden cover plate).
Description of reference numerals:
base 1, inner cavity 11, groove 12, cover plate 13, protruding shaft 14, base water inlet 15, base water outlet 16 and base
Seat waste discharge port 17, filter element 2, connector 3, filter element water inlet 31, filter element water outlet 32, filter element waste discharge port 33 and self-locking
Rod 4, trip 41, reset elastic piece 5, circular ring 51, self-locking motion guide rail groove 6, ascending rail groove 61 and ascending rail groove guide
An inlet end 611, an upper guideway leading-out end 612, a guideway inlet 613, a lock-in guideway 62, a lock-in guideway leading-in end 621,
The locking rail groove leading-out end 622, the locking rail groove 63, the unlocking rail groove 64, the unlocking rail groove leading-in end 641 and the unlocking rail groove leading-out end
End 642, down rail groove 65, down rail groove lead-in 651, down rail groove lead-out 652, rail outlet 653, in
Locking step 66, locking step 67, unlocking step 68, thrust elastic member 7, one-way valve 8.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The utility model provides a self-locking filter element assembly, as shown in figure 1, the filter element assembly is mainly used in a water purifier for filtering and purifying water. Therefore, the utility model also provides a water purifier. The filter element component can be used for filtering and purifying drinking water in family life. In addition, this filter element group spare can also filter and purification treatment to the water in fields such as scientific research, medicine, food, beverage, sea water desalination, consequently, the utility model provides a purifier can also be applied to these fields. That is to say, under the circumstances that impurity and harmful substance in the needs were filtered to aquatic, all can adopt the utility model provides a principle.
As shown in fig. 2, 4 and 5, the self-locking filter element assembly comprises a self-locking rod 4, a thrust elastic member 7, a return elastic member 5, a base 1 and a filter element 2 mounted on the base 1, wherein a joint 3 is formed on the filter element 2; two self-locking rods 4 are respectively arranged on two sides of the base 1, namely the two self-locking rods 4 are symmetrically arranged, two self-locking motion guide rail grooves 6 are respectively arranged on two sides of the joint 3 corresponding to the self-locking rods 4, and the self-locking rods 4 on the same side correspondingly slide in the self-locking motion guide rail grooves 6 on the same side.
An inner cavity 11 is formed in the base 1, the connector 3 can be detachably inserted into the inner cavity 11, and therefore the connector 3 can be detachably inserted into the base 1.
As shown in fig. 6, one end of the self-locking rod 4 is rotatably connected to the base 1, the other end of the self-locking rod is provided with a hook 41, and the joint 3 is provided with a self-locking motion guide rail groove 6 for the hook 41 to slide. The thrust elastic piece 7 is arranged between the joint 3 and the base 1 and provides thrust for the self-locking of the joint 3 on the base 1.
The base 1 sets up the recess 12 that is used for holding from locking lever 4, and the recess 12 inboard sets up the trip 41 that the window supplied from the one end of locking lever 4 and stretches out to inner chamber 11, the recess 12 outside form with the opening that the window is relative, the opening is closed by a apron 13 lid, and the user unpacks apron 13 apart and can look over the part condition in the recess 12, and convenience of customers overhauls.
Reset elastic component 5 one end connect on the apron 13 of base 1, the elastic component 5 other end that resets is connected on from locking lever 4, reset elastic component 5 is used for extrudeing from locking lever 4, and the extrusion makes trip 41 inwards motion all the time from locking lever 4 on the one hand, and on the other hand avoids trip 41 to slide the in-process in auto-lock motion guide rail groove 6, drops from auto-lock motion guide rail groove 6 in, recess 12 inboard is equipped with protruding axle 14, cup joint on protruding axle 14 from the bottom of locking lever 4, can rotate round protruding axle 14 to connect on base 1, protruding axle 14 and the parallel arrangement of elastic component 5 that resets have guaranteed that reset elastic component 5 extrudes trip 41 inwards motion all the time.
With reference to fig. 7, 8 and 9, the self-locking motion guide rail groove 6 includes an ascending rail groove 61, a locking rail groove 62, a locking rail groove 63, an unlocking rail groove 64 and a descending rail groove 65, which are sequentially communicated with each other, the ascending rail groove 61 includes an ascending rail groove leading end 611 and an ascending rail groove leading end 612, the locking rail groove 62 includes a locking rail groove leading end 621 and a locking rail groove leading end 622, the unlocking rail groove 64 includes an unlocking rail groove leading end 641 and an unlocking rail groove leading end 642, and the descending rail groove 65 includes a descending rail groove leading end 651 and a descending rail groove leading end 652;
as shown in fig. 9 and 10, the upper guideway leading end 611 is provided with a guideway entrance 613 for the hook 41 to slide in, and the shape of the guideway entrance 613 may be various, and for example, the guideway entrance 613 is wedge-shaped, so that the leading-in is smoother. The upper rail groove leading end 612 and the locking rail groove leading end 621 are intersected in opposite directions, namely the upper rail groove 61 and the locking rail groove 62 are intersected at an acute angle alpha, the locking rail groove leading end 621 is lower than the upper rail groove leading end 612, so that a locking check step 66 is formed at the joint of the locking rail groove leading end 621 and the upper rail groove leading end 612, and the locking check step 66 is used for preventing the clamping hook 41 from returning to the upper rail groove 61;
the leading-out end 622 of the locking rail groove and the leading-in end 641 of the unlocking rail groove are reversely intersected, namely the intersection of the locking rail groove 62 and the unlocking rail groove 64 is V-shaped, the locking rail groove 63 is formed at the intersection of the V-shaped, the bottom of the locking rail groove 63 forms a locking position of the fixed clamping hook 41, the locking rail groove 63 is lower than the leading-out end 622 of the locking rail groove, so that a locking step 67 is formed at the intersection of the locking rail groove 63 and the leading-out end 622 of the locking rail groove, the locking step 67 is used for blocking the clamping hook 41 from returning to the locking rail groove 62, the locking rail groove 63 is higher than the leading-in end 641 of the unlocking rail groove, so that an unlocking step 68 is formed at the intersection of the locking rail groove 63 and the leading-in end 641 of the unlocking rail groove, and the unlocking step 68 is used for blocking the clamping hook 41 from returning to the locking rail groove 63;
the descending rail groove leading-in end 651 and the unlocking rail groove leading-out end 642 are intersected in a reverse direction, namely the descending rail groove 65 and the unlocking rail groove 64 are intersected in an acute angle beta, the descending rail groove leading-in end 651 and the unlocking rail groove leading-out end 642 are smoothly connected, and the descending rail groove leading-out end 652 is provided with a rail outlet 653 for the clamping hook 41 to slide out.
With reference to fig. 7 and 8, the depth of the ascending rail groove 61 gradually becomes shallower from the ascending rail groove leading end 611 to the ascending rail groove leading end 612, the depth of the descending rail groove 65 gradually becomes shallower from the descending rail groove leading end 651 to the descending rail groove leading end 652, the depth of the descending rail groove leading end 652 is smaller than the depth of the locking rail groove leading end 621, so that the rail outlet 653 of the descending rail groove leading end 652 is higher than the rail inlet 613 of the ascending rail groove leading end 611, and the rail outlet 653 of the descending rail groove leading end 652 intersects with the ascending rail groove leading end 611.
The joint 3 is provided with a filter element water inlet 31 and a filter element water outlet 32 with self-closing functions, the inner cavity 11 is correspondingly provided with a base water inlet 15 butted with the filter element water inlet 31 and a base water outlet 16 butted with the filter element water outlet 32, as shown in fig. 17, the structure of the base 1 is schematically shown, and similarly, the base water inlet 15 and the base water outlet 16 also have self-closing functions. And a thrust elastic part 7 and a one-way valve 8 are arranged in the base water inlet 15 and the base water outlet 16. As shown in FIGS. 8 and 17, both base inlet 15 and base outlet 16 are designed as bayonet fittings, and both cartridge inlet 31 and cartridge outlet 32 are designed as bayonet holes for mating with base inlet 15 and base outlet 16, respectively. The connector 3 is also provided with a filter element waste discharge port 33 with the caliber relatively smaller than the filter element water inlet 31 and the filter element water outlet 32, and the filter element waste discharge port 33 is designed to discharge waste water on one hand and to play a role in foolproof insertion on the other hand due to the small caliber. The inner cavity 11 is correspondingly provided with a base waste discharge port 17 which is butted with the filter element waste discharge port 33.
The utility model discloses filter core 2's use divide into auto-lock installation and two parts of unblock change, specifically as follows:
when 2 auto-lock installations of filter core, aim at the inner chamber 11 of base 1 with the joint 3 of filter core 2, press filter core 2 and make to connect 3 and insert in the inner chamber 11, connect 3 the in-process that inserts inner chamber 11:
referring to fig. 10, firstly, the hook 41 of the self-locking lever 4 slides into the upper rail groove guiding end 611 from the guide rail inlet 613, the hook 41 of the self-locking lever 4 slides into the upper rail groove guiding end 612 along the upper rail groove guiding end 611, and meanwhile, the thrust elastic member 7 arranged in the inner cavity 11 is extruded by the connector 3, the thrust elastic member 7 is gradually compressed, the thrust elastic member 7 simultaneously provides a reverse acting force to the connector 3, and in order to adapt to the change of the movement track of the hook 41 in the sliding process of the upper rail groove guiding end 611 to the upper rail groove guiding end 612, as shown in fig. 11, the self-locking lever 4 rotates around the convex shaft 14, and the return elastic member 5 connected with the self-locking lever 4 provides a return elastic force for the rotation of the self-locking lever 4 and an elastic pressure for the self-locking lever 4, so that the hook 41 is kept in the upper rail groove 61;
secondly, when the hook 41 of the self-locking lever 4 slides to the joint of the up-track groove leading end 612 and the in-track groove leading end 621, because the in-track groove leading end 621 is lower than the up-track groove leading end 612, the self-locking lever 4 is pressed by the elastic restoring member 5, as shown in fig. 12, the hook 41 of the self-locking lever 4 falls to the in-track groove leading end 621, and because the up-track groove leading end 612 and the in-track groove leading end 621 are intersected reversely, the movement track of the hook 41 of the self-locking lever 4 is reversed at the joint of the up-track groove leading end 612 and the in-track groove leading end 621, that is, the joint of the up-track groove leading end 612 and the in-track groove leading end 621 is the maximum stroke point of the connector 3 inserted into the inner cavity 11 of the base 1, the base water inlet 15 is butted with the filter core water inlet 31, the base 16 is butted with the water outlet 32, the filter core 8 is opened under the compression of the elastic pushing force member 7, the filter element 2 is communicated with a corresponding waterway of the base 1 and enters a filtering and purifying state; then the filter element 2 is released from being pressed, meanwhile, the compressed thrust elastic part 7 in the inner cavity 11 provides a reverse thrust for the joint 3, the joint 3 is pushed to move towards the direction of the inner cavity 11 separated from the base 1, and then the clamping hook 41 of the self-locking rod 4 cannot return to the upper rail groove 61 due to the blocking of the locking non-return step 66 at the joint of the rail groove inlet 621 and the upper rail groove outlet 612, and only can slide towards the rail groove inlet 622 along the rail groove inlet 621;
secondly, when the hook 41 of the self-locking lever 4 slides to the junction of the rail locking groove leading-out end 622 and the rail unlocking groove leading-in end 641, because the rail locking groove 63 is lower than the rail locking groove leading-out end 622, the self-locking lever 4 is elastically extruded by the reset elastic member 5, as shown in fig. 13, the hook 41 of the self-locking lever 4 falls into the rail locking groove 63, and because the compressed thrust elastic member 7 provides thrust for the joint 3, the hook 41 of the self-locking lever 4 is clamped at the locking position at the bottom of the rail locking groove 63 to tighten and fix the joint 3, thereby self-locking the joint 3 in the inner cavity 11 of the base 1;
when the filter cartridge 2 needs to be unlocked for replacement, the connector 3 of the filter cartridge 2 is moved inwards again in the interior 11 of the base 1, during which inward movement,
firstly, the joint 3 can extrude the thrust elastic piece 7 again, the thrust elastic piece 7 is compressed again, and the clamping hook 41 of the self-locking rod 4 exits from the locking position at the bottom of the locking rail groove 63; since the unlocking rail groove leading end 641 and the locking rail groove leading end 622 are intersected in the opposite direction, that is, the unlocking rail groove 64 and the locking rail groove 62 are intersected in a V shape, the locking rail groove 63 is lower than the locking rail groove leading end 622, the hook 41 of the self-locking lever 4 is blocked by the locking step 67 at the intersection of the locking rail groove 63 and the locking rail groove leading end 622, the hook 41 cannot return to the locking rail groove 62, and can only move from the locking rail groove 63 to the unlocking rail groove leading end 641 as shown in fig. 14;
secondly, the guide end 641 of the unlocking rail groove is lower than the locking rail groove 63, the hook 41 of the self-locking lever 4 falls into the unlocking rail groove 64 under the elastic extrusion of the reset elastic piece 5, the hook 41 of the self-locking lever 4 is blocked by the unlocking step 68 at the joint of the locking rail groove 63 and the guide end 641 of the unlocking rail groove, the hook 41 can return to the locking rail groove 63, and only can move from the guide end 641 of the unlocking rail groove to the guide end 642 of the unlocking rail groove;
finally, when the hook 41 of the self-locking lever 4 slides to the intersection between the unlocking rail groove lead-out end 642 and the descending rail groove lead-in end 651, since the descending rail groove lead-in end 651 and the unlocking rail groove lead-out end 642 are reversely intersected, the motion track of the hook 41 of the self-locking lever 4 is reversed at the intersection between the descending rail groove lead-in end 651 and the unlocking rail groove lead-out end 642, that is, the intersection between the descending rail groove lead-in end 651 and the unlocking rail groove lead-out end 642 is the maximum stroke point of the connector 3 unlocking and withdrawing from the inner cavity 11 of the base 1, at this time, the filter element 2 is released from being pressed, and at the same time, the compression thrust elastic member 7 in the inner cavity 11 gives a reverse thrust to the connector 3, pushing the connector 3 to move in the direction of the inner cavity 11 departing from the base 1, and since the descending rail groove lead-in end 651 and the unlocking rail groove lead-out end 642 are smoothly intersected, as shown in fig. 15, the hook 41 of the self-locking lever 4 smoothly slides to the descending rail groove lead-out end 642, and then slides to the downstream rail groove leading-out end 652 along the downstream rail groove leading-in end 651 until finally coming out of the rail outlet 653 of the downstream rail groove leading-out end 652, and returns to the original position same as that before self-locking, as shown in fig. 16, thereby completing the unlocking action. At the moment, the filter element water inlet 31 is disconnected with the base water inlet 15, the filter element water outlet 32 is disconnected with the base water outlet 16, the thrust elastic piece 7 rebounds, the one-way valve 8 is closed, the water path corresponding to the filter element 2 and the base 1 is disconnected, and the filter element 2 is taken out to smoothly complete replacement work.
In order to prevent the self-locking rod 4 from being biased, one end of the reset elastic piece 5 connected with the self-locking rod 4 forms a circular ring 51, and the circular ring 51 is used for the self-locking rod 4 to vertically penetrate through, so that the self-locking rod 4 can conveniently return to the original position when being reset.
In the description of the present invention, it should be understood that the orientation or position relation indicated by the orientation words such as "front", "back", "upper", "lower", "left", "right", "horizontal", "vertical", "horizontal" and "top", "bottom" etc. is usually based on the orientation or position relation shown in the drawings of the specification, and is only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the invention; the terms "inner" and "outer" refer to the interior and exterior relative to the contours of the components themselves.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the design of the present application, and all equivalent changes made according to the design key of the present application fall within the protection scope of the present application.

Claims (10)

1. A self-locking filter element assembly is characterized by comprising a self-locking rod, a thrust elastic piece, a reset elastic piece, a base and a filter element arranged on the base, wherein a joint is formed on the filter element;
one end of the self-locking rod is rotatably connected to the base, and the other end of the self-locking rod is provided with a clamping hook;
the joint is provided with a self-locking movement guide rail groove for the hook to slide, the joint is detachably inserted on the base, and the thrust elastic part is arranged between the joint and the base and provides thrust for the self-locking of the joint on the base;
one end of the reset elastic piece is connected to the base, the other end of the reset elastic piece is connected to the self-locking rod, and the reset elastic piece is used for extruding the self-locking rod;
the self-locking motion guide rail groove comprises an ascending rail groove, a locking rail groove, an unlocking rail groove and a descending rail groove which are sequentially communicated in an intersecting manner, wherein the ascending rail groove comprises an ascending rail groove guide-in end and an ascending rail groove guide-out end;
the guide end of the ascending rail groove is provided with a guide rail inlet for the clamping hook to slide in, the guide end of the ascending rail groove is reversely intersected with the guide end of the locking rail groove, namely the ascending rail groove is intersected with the locking rail groove at an acute angle, and the guide end of the locking rail groove is lower than the guide end of the ascending rail groove, so that a locking non-return step is formed at the joint of the guide end of the locking rail groove and the guide end of the ascending rail groove and is used for preventing the clamping hook from returning to the ascending rail groove;
the leading-out end of the locking rail groove and the leading-in end of the unlocking rail groove are reversely intersected, namely the locking rail groove and the unlocking rail groove are intersected in a V shape, the locking rail groove is formed at the V-shaped intersection, the bottom of the locking rail groove forms a locking position for fixing a clamping hook, the locking rail groove is lower than the leading-out end of the locking rail groove, so that a locking step is formed at the intersection of the locking rail groove and the leading-out end of the locking rail groove, the locking step is used for preventing the clamping hook from returning to the locking rail groove, the locking rail groove is higher than the leading-in end of the unlocking rail groove, and the unlocking step is used for preventing the clamping hook from returning to the locking rail groove;
descending rail groove import end and unblock rail groove export end are the opposite crossing, it is crossing that descending rail groove and unblock rail groove are the acute angle promptly, descending rail groove import end and the smooth handing-over of unblock rail groove export end, descending rail groove export end be equipped with the guide rail export that supplies the trip roll-off.
2. The self-ligating filter cartridge assembly of claim 1, wherein: the base is provided with a groove for accommodating the self-locking rod, the inner side of the groove is provided with a window for extending out of a clamping hook at one end of the self-locking rod, the outer side of the groove is provided with an opening opposite to the window, the opening is covered by a cover plate, and one end of the reset elastic piece is sleeved on the cover plate and is connected to the base.
3. The self-ligating filter cartridge assembly of claim 2, wherein: the inner side of the groove is provided with a convex shaft, the bottom end of the self-locking rod is sleeved on the convex shaft, and the convex shaft and the reset elastic piece are arranged in parallel.
4. The self-ligating filter cartridge assembly of claim 1, wherein: the base is provided with an inner cavity, the inner cavity supplies the joint to be detachably spliced, the joint is provided with a filter element water inlet and a filter element water outlet, and the inner cavity is correspondingly provided with a base water inlet in butt joint with the filter element water inlet and a base water outlet in butt joint with the filter element water outlet.
5. The self-ligating filter cartridge assembly of claim 4, wherein: the water inlet of the base and the water outlet of the base are both provided with a thrust elastic piece and a one-way valve, the thrust elastic piece pushes outwards and is inserted into a joint of the inner cavity, and the clamping hook falls into the locking position to tighten and fix the joint.
6. The self-ligating filter cartridge assembly of claim 1, wherein: the degree of depth of going upward the rail groove is by going upward the leading-in end of rail groove and to going upward the rail groove derivation end and becoming shallow gradually, the degree of depth of down the rail groove is by the leading-in end of down the rail groove to the leading-out end of down the rail groove and becoming shallow gradually, the degree of depth of down the rail groove derivation end is less than go into the degree of depth of lock rail groove derivation end to the guide rail export that forms down the rail groove derivation end is higher than the guide rail entry of going upward the rail groove derivation end, the guide rail export of down the rail groove derivation end intersects in going upward the rail groove derivation end.
7. The self-ligating filter cartridge assembly of claim 1, wherein: the guide rail inlet is wedge-shaped.
8. The self-ligating filter cartridge assembly of claim 1, wherein: the return elastic part and the end connected with the self-locking rod form a circular ring, and the circular ring is used for the self-locking rod to vertically penetrate.
9. The self-ligating filter cartridge assembly of claim 1, wherein: the two sides of the base are respectively provided with a self-locking rod, the two sides of the joint are respectively provided with a self-locking motion guide rail groove corresponding to the self-locking rods, and the self-locking rods on the same side correspondingly slide in the self-locking motion guide rail grooves on the same side.
10. A water purifier, which is characterized in that: a self-locking filter cartridge assembly comprising any one of claims 1-9.
CN202121300518.9U 2021-06-10 2021-06-10 Self-locking filter element assembly and water purifier with same Active CN214763867U (en)

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CN202121300518.9U CN214763867U (en) 2021-06-10 2021-06-10 Self-locking filter element assembly and water purifier with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121300518.9U CN214763867U (en) 2021-06-10 2021-06-10 Self-locking filter element assembly and water purifier with same

Publications (1)

Publication Number Publication Date
CN214763867U true CN214763867U (en) 2021-11-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
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