CN219784070U - Push type filter core structure and water purifier thereof - Google Patents

Abstract

The utility model relates to a push type filter element structure and a water purifier thereof. The utility model relates to a pressing type filter element structure, which comprises: the filter element seat and the filter element detachable with the filter element seat, wherein the filter element is provided with a flange, and the flange is provided with a locking surface and a sliding surface. The locking component is arranged on the filter core seat and comprises a locking block with a clamping trend on the filter core and an unlocking piece pushed by the filter core, wherein the locking block is in a locking position and is in contact with the locking surface, and when the unlocking piece is pushed, the unlocking piece drives the locking block to move towards the sliding surface against the clamping trend, so that the locking position is switched to the unlocking position. The pressing type filter element structure and the water purifier thereof have the advantage of convenience in operation.

Description

Push type filter core structure and water purifier thereof

Technical Field

The utility model relates to the field of filter element equipment, in particular to a push type filter element structure and a water purifier thereof.

Background

The water purifier is used for filtering water, so that purified water is provided for users, and the filtering function of the water purifier is mainly that the water is filtered through the filter element. In the filtering process, impurities in water can be accumulated in the filter element, and the filtering effect is affected when the impurities are accumulated too much, so that the filter element of the water purifier needs to be replaced after the water purifier is used for a certain time. The filter element of the current water purifier is mostly installed in a pressing mode by inserting the filter element into a filter element seat and limiting the filter element by an elastic locking mechanism. However, in the process of taking out the filter element, the filter element is usually required to be pried off by an external tool, so that the water purifier is damaged to a certain extent. Part manufacturers are provided with manually-operated buttons to drive the locking mechanism to release the filter element, so that two-hand operation is needed when the filter element is taken out, the buttons are usually positioned on the filter element seat, the conditions of inconvenient operation or locking of the buttons are easy to occur, and great difficulty still exists in practice. If the button is not adopted, the filter element is directly taken out in a secondary pressing mode, so that the filter element cannot be locked, and the installation is unstable.

Disclosure of Invention

Accordingly, the present utility model is directed to a push type filter cartridge structure and a water purifier thereof, which have the advantage of convenient operation.

The pressing type filter element structure comprises a filter element seat and a filter element which is detachable from the filter element seat, wherein the filter element is provided with a flange, and the flange is provided with a locking surface and a sliding surface; the locking component is arranged on the filter core seat and comprises a locking block with a clamping trend on the filter core and an unlocking piece pushed by the filter core, wherein the locking block is in a locking position and is in contact with the locking surface, and when the unlocking piece is pushed, the unlocking piece drives the locking block to move towards the sliding surface against the clamping trend, so that the locking position is switched to the unlocking position.

According to the pressing type filter element structure, the unlocking of the locking block can be realized through the unlocking piece when the filter element is pressed for the second time, so that the filter element which is pressed and loaded for the first time is locked, and meanwhile, the filter element is unlocked and taken out through the second time, so that the operation is convenient, and the structure is simple.

Further, the locking piece includes first locking piece and the second locking piece that slides along the tight direction of clamp and set up, the release piece includes the body of rod and sets up the wedge at the body of rod middle part, the wedge with first locking piece and second locking piece inclined plane cooperation, the release piece resets through reset spring. The axial driving force is converted into the transverse driving force for driving the locking block to open through the inclined plane matching, so that the structure is simple and the operation is convenient.

Further, a reset groove is further formed in the periphery of the top of the wedge body, when the unlocking piece is pushed to the lowest position, the first locking block and the second locking block are clamped in the reset groove, and when the filter element is taken out, the flange is in sliding fit with the sliding surface, and the first locking block and the second locking block are pushed away from the reset groove. The reset groove can clamp and hold the opened state of the locking block when being pressed for the second time, so that the filter element can be conveniently taken out, and the unlocking piece is reset.

Further, the flange includes first flange, the filter core has been seted up the axial and has been extended to the guide way of first flange, the guide way with first flange one-to-one, all be provided with on first latch segment and the second latch segment with first flange complex boss, the boss slides in the guide way, the slip face includes first inclined plane and the first inclined plane that resets that pushes away, first inclined plane that pushes away is established first flange is close to one side of filter core grafting end, first inclined plane that resets is established in keeping away from one side of filter core grafting end and with the locking surface links to each other, the boss be equipped with first inclined plane matched with second that pushes away inclined plane that pushes away, and with first inclined plane matched with second inclined plane that resets. The flange and the boss limit the installation and movement of the filter element, so that the stability of disassembly and assembly is improved.

Further, the flange further comprises a second flange, the first flange is arranged at two ends of the second flange, the sliding surface further comprises a third pushing inclined plane, the third pushing inclined plane is arranged at one side, close to the plug-in end of the filter element, of the second flange, and the first locking block and the second locking block are both provided with fourth pushing inclined planes matched with the third pushing inclined plane. The second flange improves the stable fit of the structure and makes the structure compact.

Further, the locking assembly further comprises a limiting seat, the limiting seat is provided with a mounting hole for penetrating the filter element, the first locking block and the second locking block are slidably arranged in the limiting seat, the first locking block comprises a blocking portion and a limiting portion which are arranged at two ends along the clamping trend, and a connecting portion for connecting the blocking portion and the limiting portion, the structure surrounding the mounting hole is formed, the second locking block and the limiting portion are arranged at the same end, and the unlocking piece penetrates through the limiting seat and is clamped between the limiting portion and the second locking block. The structure of the locking block can realize the pushing of the filter element and the unlocking piece.

Further, the limiting seat comprises a first limiting seat and a second limiting seat sleeved outside the first limiting seat, a containing cavity is formed between the first limiting seat and the second limiting seat, and the locking block is slidably arranged in the containing cavity. The limiting seat limits the locking block.

Further, a lower limit groove is formed in the first limit seat, and when the unlocking piece moves to the lowest position, the bottom of the wedge body is abutted against the lower limit groove; the second limiting seat is provided with an upper limiting groove, and when the unlocking piece moves to the highest position, the top of the wedge body is abutted to the upper limiting groove. The limit groove limits the travel of the unlocking piece.

Further, a guide bar which is in sliding contact with the connecting part is arranged on the first limiting seat, so that the sliding directions of the first locking block and the second locking block are guided. The guide strip guides and limits the locking block.

The utility model also discloses a water purifier, which is provided with the pressing type filter element structure.

For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.

Drawings

FIG. 1 is an overall block diagram of the filter element structure;

FIG. 2 is a block diagram of the cartridge;

FIG. 3 is an enlarged view of a portion of area A of FIG. 2;

FIG. 4 is a block diagram of the locking assembly (with the second stop block removed);

FIG. 5 is a block diagram of the first locking block;

FIG. 6 is a block diagram of the second locking block;

FIG. 7 is a partial cross-sectional view of the cartridge structure in a locked position;

FIG. 8 is a partial block diagram of the cartridge structure prior to installation;

FIG. 9 is a partial block diagram of the cartridge structure in a locked position;

FIG. 10 is a partial block diagram of the cartridge when it is subjected to a secondary compression;

FIG. 11 is a partial block diagram of the cartridge as it is removed;

reference numerals illustrate: 1. a filter element; 11. a first flange; 111. a first push-off ramp; 112. a first reset ramp; 113. a first locking surface; 12. a second flange; 121. a third push-off ramp; 122. a second locking surface; 13. a guide groove; 2. a locking assembly; 21. the first limiting seat; 211. a guide bar; 212. a lower limit groove; 213. a first limiting hole; 22. the second limiting seat; 221. an upper limit groove; 222. a second limiting hole; 231. a first locking block; 2311. a blocking portion; 2312. a limit part; 2313. a connection part; 232. the second locking block; 2321. avoidance holes; 233. a boss; 2331. a second push-off ramp; 2332. a second reset ramp; 234. fourth pushing-off inclined plane; 24. a guide rod; 25. a compression spring; 26. an unlocking member; 261. a rod body; 262. a wedge; 263. a reset groove; 264. a guide convex strip; 27. a return spring; 3. a filter element seat; 31. a spring mounting groove.

Detailed Description

Referring to fig. 1-7, fig. 1 is an overall structure diagram of the filter element structure; FIG. 2 is a block diagram of the cartridge; FIG. 3 is an enlarged view of a portion of area A of FIG. 2; FIG. 4 is a block diagram of the locking assembly (with the second stop block removed); FIG. 5 is a block diagram of the first locking block; FIG. 6 is a block diagram of the second locking block; fig. 7 is a partial cross-sectional view of the cartridge structure in a locked position, the present utility model discloses a water purifier including a cartridge structure that is easy to assemble and disassemble.

The filter element structure comprises a filter element 1 and a filter element seat 3 with a locking component 2, wherein the locking component 2 is arranged on the filter element seat 3, the filter element 1 needs to penetrate into the locking component 2 and is connected with the filter element seat 3 when being installed, and the locking component 2 locks the filter element 1 after being installed.

The plug-in end of the filter element 1 is detachably inserted into the filter element seat 3, the periphery of the plug-in end is provided with a flange, the flange comprises a first flange 11 and a second flange 12 which are symmetrically arranged at two radial sides of the filter element 1, the second flange 12 is arc-shaped, and the first flange 11 is arranged at two ends of the second flange 12. The outer fringe of first flange 11 is equipped with the first inclined plane 111 that pushes away in the one side that is close to 1 grafting end of filter core, is far away from 1 grafting end of filter core one side is equipped with first inclined plane 112 that resets, first flange 11 still is equipped with the first locking surface 113 that the level set up, the periphery of first locking surface 113 with first inclined plane 112 that resets links to each other. The second flange 12 is provided with a third pushing-off inclined surface 121 on one side close to the plug-in end of the filter element 1, and a second locking surface 122 which is horizontally arranged and is connected with the first locking surface 113 is provided on one side far away from the plug-in end of the filter element 1. The outside of the filter element 1 is also provided with guide grooves 13 which are in one-to-one correspondence with the first flanges 11, and the guide grooves 13 extend to the first flanges 11 along the insertion direction of the filter element 1.

The locking assembly 2 comprises a limiting seat, a locking block, a compression spring 25, an unlocking piece 26 and a return spring 27.

The limiting seat is arranged on the filter element seat 3 and comprises a first limiting seat 21 and a second limiting seat 22 sleeved outside the first limiting seat 21, and a containing cavity is formed between the first limiting seat and the second limiting seat. The middle parts of the first limiting seat 21 and the second limiting seat 22 are respectively provided with a mounting hole for penetrating the bottom of the filter element 1.

The locking block is slidably arranged in the accommodating cavity and has a tendency to clamp the filter element 1, thereby being used for clamping the filter element 1. The locking blocks include a first locking block 231 and a second locking block 232.

The first locking block 231 is sleeved on the outer side of the bottom of the filter element 1, and comprises a blocking portion 2311, a limiting portion 2312 and a connecting portion 2313 for connecting the blocking portion 2311 and the limiting portion 2312, so that a structure surrounding the mounting hole is formed. The blocking portion 2311 and the limiting portion 2312 are disposed at both sides of the filter cartridge 1 in a clamping direction. The second locking block 232 is disposed on the same side as the limit portion 2312. The first locking block 231 and the second locking block 232 are provided with a boss 233 in slant fit with the first flange 11, and the boss 233 can slide along the guide groove 13. The boss 233 is provided with a second push-away ramp 2331 that mates with the first push-away ramp 111, and a second reset ramp 2332 that mates with the first reset ramp 112. The first locking block 231 and the second locking block 232 are provided with a fourth push-off slope 234 which is matched with the third push-off slope 121.

Preferably, the first limiting seat 21 is provided with a guide bar 211 that slidably abuts against the connection portion 2313, so as to guide the sliding direction of the first locking piece 231 and the second locking piece 232.

The first locking block 231 and the second locking block 232 are respectively provided with a guide rod 24, the compression spring 25 is sleeved on the guide rods 24, one end of the compression spring is abutted against the first locking block 231 or the second locking block 232, and the other end of the compression spring is abutted against the second limiting seat 22.

The unlocking member 26 has various structural forms, and in this embodiment, may be a bayonet lock, and includes a rod body 261 and a wedge 262 disposed in the middle of the rod body 261, and a reset groove 263 is formed on the outer side of the top of the wedge 262.

The filter element seat 3 is provided with a spring mounting groove 31, one end of the return spring 27 is arranged in the spring mounting groove 31, and the other end of the return spring is in contact with the bayonet lock. The first limiting seat 21 is provided with a lower limiting groove 212, the lower limiting groove 212 is also provided with a first limiting hole 213, the rod body 261 of the bayonet lock is slidably arranged in the first limiting hole 213, and when the bayonet lock moves to the lowest position, the bottom of the wedge 262 is abutted against the lower limiting groove 212. The second limiting seat 22 is provided with an upper limiting groove 221, the upper limiting groove 221 is also provided with a second limiting hole 222, the rod body 261 of the bayonet lock is slidably arranged in the second limiting hole 222 and penetrates out of the second limiting seat 22, when the bayonet lock moves to the highest position, the top of the wedge 262 is abutted against the upper limiting groove 221, and at the moment, the top of the bayonet lock is abutted against the filter element 1 positioned at the locking position.

The second locking block 232 is provided with a through avoidance hole 2321. One side of the wedge 262 of the bayonet lock is matched with the peripheral inclined surface of the limit part 2312, and the other side penetrates into the avoidance hole 2321 to be matched with the inclined surface of the second locking block 232. When the bayonet is at the highest position, the wedge bottom is abutted against the first locking block 231 and the second locking block 232. When the cartridge 1 drives the bayonet lock to move downwards, the wedge blocks jack the first locking block 231 and the second locking block 232 and enter the lower limit groove 212, and at this time, the first locking block 231 and the second locking block 232 are clamped in the reset groove 263.

Preferably, the lever portion of the bayonet is further provided with a guide protrusion 264 cooperating with the second limiting hole 222 for preventing the bayonet from rotating.

For convenience of description, the locking block is defined to be cohesive in the area of the mounting hole to form a first opening, and the locking block is defined to be cohesive in the area of the bayonet lock to form a second opening.

Referring to fig. 8-9, fig. 8 is a partial block diagram of the filter element structure prior to installation; fig. 9 is a partial block diagram of the cartridge structure in a locked position. When the filter cartridge is installed in the cartridge seat, the bottom of the filter cartridge is aligned with the mounting hole and pressed downward. In the process, the first flange is abutted against the boss, the first pushing-away inclined surface is matched with the second pushing-away inclined surface, the first locking block and the second locking block are pushed outwards along with downward movement of the filter element, then the third pushing-away inclined surface is matched with the fourth pushing-away inclined surface, the first locking block and the second locking block are pushed outwards further, and the plug-in end of the filter element can pass through the enlarged first opening. After the first flange and the second flange pass through the locking block, the locking block is reset fast, the first opening is reduced, and the filter element connector is jacked up upwards by the thrust of the filter element seat at the moment, so that the locking surfaces of the first flange and the second flange are abutted and clamped with the reset locking block, the filter element is prevented from falling off, and the locking block enters a locking position. The bayonet is not moved during this process, and the bayonet is always in the uppermost position.

Referring to fig. 10-11, fig. 10 is a partial block diagram of the filter element when it is pressed for the second time; fig. 11 is a partial structure diagram of the filter element when the filter element is taken out, and when the filter element is required to be taken out of the filter element seat, the filter element is pressed downwards again, so that the filter element moves downwards against the thrust of the filter element seat. At this time, the filter element is abutted against the bayonet lock and drives the filter element to move downwards. In this process, the wedge collides with the limiting part and the second locking block, so that the first locking block and the second locking block are pushed away by the wedge until being clamped into the reset groove, thereby keeping the second opening in an enlarged state, and the locking blocks are unlocked at this time, as shown in fig. 10. And then the filter element is lifted upwards, and the first flange is matched with the first reset inclined plane and the second reset inclined plane in the upward movement process, so that the boss drives the first locking block and the second locking block to move outwards again, and the bottom of the filter element passes through the first opening which is opened again, so that the filter element is detached. When the first opening is opened again, the second opening is also increased, the first locking block and the second locking block are separated from being in conflict with the reset groove, and the bayonet lock is pushed by the reset spring to move upwards, so that automatic reset is realized.

According to the pressing type filter element structure and the water purifier thereof, the unlocking of the locking block can be realized through the unlocking piece when the filter element is pressed for the second time, so that the filter element which is pressed for the first time is locked, and meanwhile, the filter element is unlocked and taken out through the second pressing, so that the operation is convenient, and the structure is simple.

It is to be understood that in the description of the present utility model, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e., features defining "first," "second," may explicitly or implicitly include one or more such features. Furthermore, unless otherwise indicated, the meaning of "a plurality" is two or more.

It should be noted that, in the description of the present utility model, unless explicitly specified and defined otherwise, the terms "disposed," "connected," and "hollow" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the utility model, and the utility model is intended to encompass such modifications and improvements.

Claims (10)

1. The utility model provides a push type filter core structure, includes the filter core seat and rather than detachable filter core, its characterized in that:

the filter element is provided with a flange, and the flange is provided with a locking surface and a sliding surface;

the locking component is arranged on the filter core seat and comprises a locking block with a clamping trend on the filter core and an unlocking piece pushed by the filter core, the locking block is in contact with the locking surface when the filter core is in a locking position, and the unlocking piece is driven to move towards the sliding surface by overcoming the clamping trend when being pushed, so that the filter core is switched to an unlocking position from the locking position.

2. A push-type filter cartridge structure according to claim 1, wherein: the locking blocks comprise a first locking block and a second locking block which are arranged in a sliding manner along the clamping direction, the unlocking piece comprises a rod body and a wedge body arranged in the middle of the rod body, the wedge body is matched with the inclined surfaces of the first locking block and the second locking block, and the unlocking piece resets through a reset spring.

3. A push-type filter cartridge structure according to claim 2, wherein: the periphery at the top of the wedge body is also provided with a reset groove, when the unlocking piece is pushed to the lowest position, the first locking block and the second locking block are clamped in the reset groove, and when the filter element is taken out, the flange is in sliding fit with the sliding surface, so that the first locking block and the second locking block are pushed away from the reset groove.

4. A push-type filter cartridge structure according to claim 3, wherein: the flange includes first flange, the axial extension has been seted up to the filter core the guide way of first flange, the guide way with first flange one-to-one, all be provided with on first latch segment and the second latch segment with first flange complex boss, the boss is in slide in the guide way, the face of sliding includes first pushing away the inclined plane and first inclined plane that resets, first pushing away the inclined plane and establishing first flange is close to one side of filter core grafting end, first inclined plane that resets is established in keeping away from one side of filter core grafting end and with the locking surface links to each other, the boss be equipped with first pushing away inclined plane matched with second and pushing away the inclined plane, and with first inclined plane matched with second inclined plane that resets.

5. A push-type filter cartridge structure according to claim 4, wherein: the flange still includes the second flange, first flange set up in the both ends of second flange, the slip face still includes the third and pushes away the inclined plane, the third pushes away the inclined plane and establishes the second flange is close to the one side of filter core grafting end, first latch segment and second latch segment all be equipped with the third pushes away inclined plane matched with fourth pushes away the inclined plane.

6. A push-type filter cartridge structure according to claim 4, wherein: the locking assembly further comprises a limiting seat, the limiting seat is provided with a mounting hole for penetrating the filter element, the first locking block and the second locking block are slidably arranged in the limiting seat, the first locking block comprises a blocking portion and a limiting portion which are arranged at two ends along the clamping trend, and a connecting portion which is connected with the blocking portion and the limiting portion, the structure surrounding the mounting hole is formed, the second locking block and the limiting portion are arranged at the same end, and the unlocking piece penetrates through the limiting seat and is clamped between the limiting portion and the second locking block.

7. A push-type filter cartridge structure according to claim 6, wherein: the limiting seat comprises a first limiting seat and a second limiting seat sleeved outside the first limiting seat, a containing cavity is formed between the first limiting seat and the second limiting seat, and the locking block is arranged in the containing cavity in a sliding mode.

8. A push-type filter cartridge structure according to claim 7, wherein: a lower limit groove is formed in the first limit seat, and when the unlocking piece moves to the lowest position, the bottom of the wedge body is abutted against the lower limit groove; the second limiting seat is provided with an upper limiting groove, and when the unlocking piece moves to the highest position, the top of the wedge body is abutted to the upper limiting groove.

9. A push-type filter cartridge structure according to claim 8, wherein: the first limiting seat is provided with a guide strip which is in sliding conflict with the connecting part, so that the sliding directions of the first locking block and the second locking block are guided.

10. A water purifier, characterized in that: use of a push-type filter cartridge arrangement according to claim 1.