CN219481876U

CN219481876U - Be applied to simple and easy locking structure of filter core

Info

Publication number: CN219481876U
Application number: CN202320414187.4U
Authority: CN
Inventors: 翁奕武; 王鹏翱; 谭翠康; 卢晓中; 邵东阳
Original assignee: Filterpur Environmental Protection Technology Co ltd
Current assignee: Filterpur Environmental Protection Technology Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-08
Anticipated expiration: 2033-03-07

Abstract

The utility model relates to a filter element, in particular to a simple locking structure applied to the filter element, which comprises the following components: a filter element seat; the elastic locking piece is connected to the outer side of the filter element seat, a cavity is formed between the elastic locking piece and the filter element seat, a first guide part is arranged on the elastic locking piece and used for guiding the elastic locking piece to deform inwards towards the cavity; the handle part is connected to the filter core seat and extends into the cavity, the handle part moves upwards to drive the filter core seat to move upwards, and in the moving process, the elastic locking piece is deformed towards the cavity through the first guide part and is retracted into the cavity. In order to facilitate the disassembly and assembly of the filter element by a user, the locking structure of the filter element is improved, the elastic locking piece is retracted towards the cavity through the first guide part, so that the elastic locking piece is separated from the locking groove on the filter cylinder to unlock the filter element, and when the filter element needs to be locked, the elastic locking piece is automatically reset to be matched with the locking groove for locking, so that the filter element is locked, and the operation of the user is easy.

Description

Be applied to simple and easy locking structure of filter core

Technical Field

The utility model relates to a filter element, in particular to a simple locking structure applied to the filter element.

Background

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

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

Disclosure of Invention

The prior filter element disassembly and assembly mode is complex, so that the filter element is inconvenient to disassemble and assemble by a user, time and labor are wasted, and the user experience is low.

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

a simple locking mechanism for a filter cartridge, comprising: a filter element seat; the elastic locking piece is connected to the outer side of the filter element seat, a cavity is formed between the elastic locking piece and the filter element seat, a first guide part is arranged on the elastic locking piece and used for guiding the elastic locking piece to deform inwards towards the cavity; the handle part is connected to the filter core seat and extends into the cavity, the handle part moves upwards to drive the filter core seat to move upwards, and in the moving process, the elastic locking piece is deformed towards the cavity through the first guide part and is retracted into the cavity.

Further, the elastic locking piece comprises an elastic locking rod and a lock catch arranged at the end part of the elastic locking rod, the first guide part is arranged at the top of the lock catch, the lock catch is guided to move towards the cavity through the first guide part, and the elastic locking rod is driven to elastically deform so that the lock catch is retracted into the cavity.

Preferably, a clamping block is arranged on the periphery of the filter core seat, the clamping block is close to the top of the filter core seat, and a clamping groove which is correspondingly locked with the clamping block is formed in the end part of the handle part.

Preferably, the locking driving assembly is arranged in the filter core seat, the locking driving assembly comprises a sliding block and a resetting piece which are arranged in the filter core seat, a first opening is formed in the side wall of the filter core seat, the sliding block penetrates through the first opening to extend into the cavity and is propped against the handle part, the handle part can longitudinally move in the cavity relative to the sliding block, the sliding block is provided with a second guide part positioned at the upper part and a third guide part positioned at the lower part, and the handle part moves upwards relative to the sliding block and is guided by the third guide part to move in a translation manner and shrink inwards; the resetting piece has the function of enabling the sliding block to translate towards the inside of the cavity, and the second guiding part is used for guiding the handle part to move downwards when the sliding block translates towards the inside of the cavity.

Preferably, the second guiding part is a guiding inclined straight surface or an arc surface positioned at the upper end corner of the sliding block, the third guiding part is a guiding inclined straight surface or an arc surface positioned at the lower end corner of the sliding block, and the second guiding part and the third guiding part are positioned at the same side.

Preferably, the locking driving assembly further comprises a positioning part arranged in the filter core seat, and the resetting piece is fixedly connected between the sliding block and the positioning part.

Preferably, the outer surface of the sliding block is provided with at least one first limiting part, and the first limiting part is positioned at one side of the inner wall of the filter core seat.

Preferably, the filter element seat is further internally provided with a second limiting part which is positioned on one side of the resetting piece and is close to the sliding block, and the second limiting part is used for limiting the sliding block to translate.

Preferably, a clamping part is further arranged on one side of the sliding block, a second opening corresponding to the clamping part is formed in the filter element seat, and the clamping part translates relative to the second opening through the sliding block.

Further, the clamping part and the sliding block are integrally formed.

The beneficial effects of the utility model are as follows:

in order to facilitate the disassembly and the replacement of the filter element by a user, the locking structure of the filter element is improved, the elastic locking piece is retracted towards the cavity through the first guide part, so that the elastic locking piece is separated from the locking groove on the filter cartridge to unlock the filter element, when the filter element needs to be locked, the elastic locking piece is automatically reset to be matched with the locking groove for locking by utilizing the elasticity of the elastic locking piece, so that the filter element is locked, and the locking structure is easy for the user to operate; the elastic locking piece is fixedly connected with the filter element seat, a cavity is arranged between the elastic locking piece and the filter element seat, the handle part moves upwards to drive the elastic locking piece to move upwards, so that the elastic locking piece is guided to retract towards the cavity through the first guiding part, the filter element seat is conveniently lifted by a user through the arrangement of the handle part, the cavity provides elastic deformation space for the elastic locking piece so as to ensure the normal operation of the elastic locking piece, the locking structure is simple in overall structure, simple in principle, easy to produce and implement, low in production cost, and also easy for a user to self-assemble and disassemble the filter element, so that time and labor are saved, convenience and quickness are realized, and user experience is optimized.

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

Drawings

Fig. 1 is a perspective view of a first embodiment of the present utility model;

FIG. 2 is an exploded view of a first embodiment of the present utility model;

FIG. 3 is an enlarged view of portion C of FIG. 2;

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

FIG. 5 is a second cross-sectional view A-A of FIG. 2;

FIG. 6 is a perspective view of a second embodiment of the present utility model;

FIG. 7 is an exploded view of a second embodiment of the present utility model;

FIG. 8 is a cross-sectional view B-B in FIG. 6;

fig. 9 is a second cross-sectional view B-B in fig. 6.

Detailed Description

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

Example 1: as shown in fig. 1 to 5, a simple locking structure for a filter element according to this embodiment includes: a filter cartridge holder 2; the elastic locking piece 3 is connected to the outer side of the filter element seat 2, a cavity 4 is formed between the elastic locking piece 3 and the filter element seat 2, a first guide part 5 is arranged on the elastic locking piece 3, and the first guide part 5 is used for guiding the elastic locking piece 3 to deform inwards towards the cavity 4; the handle part 6 is connected to the filter element seat 2 and extends into the cavity 4, the handle part 6 moves upwards to drive the filter element seat 2 to move upwards, and in the moving process, the elastic locking piece 3 deforms towards the cavity 4 and retracts into the cavity 4 through the first guide part 5. As shown in fig. 1 and 2, in this embodiment, a filter core is installed at the lower part of a filter core seat 2, the filter core seat 2 is installed in a filter cartridge 1 together with the filter core, a locking groove 11 is formed in the inner wall of the filter cartridge 1, an elastic locking piece 3 is locked with the locking groove 11 in a matching manner to lock the filter core in the filter cartridge 1, and since the filter core needs to be replaced regularly, in order to enable a user to disassemble and assemble the filter core more conveniently, the locking structure of the filter core is improved, a handle part 6 moves upwards to drive the filter core seat 2 to move upwards as a whole, and the elastic locking piece 3 is guided to retract towards a cavity 4 through a first guide part 5, so that the elastic locking piece 3 is separated from the locking groove 11 to unlock the filter core; in daily use, a user can manually lift the handle part 6, so that the operation is easy, time and labor are saved, the operation is convenient and quick, the handle part 6 can be provided with a concave part which is adapted to the state when the user holds an object by hand, and the user can assemble and disassemble the filter element more comfortably, so that the user experience is optimized; the cavity 4 provides an elastic deformation space for the elastic locking piece 3 so as to ensure that the locking structure operates normally; the locking structure on the filter element seat 2 is simple in overall structure, simple in principle, easy to produce and implement, low in production cost, convenient for a user to disassemble and assemble the filter element by himself, time-saving and labor-saving, convenient and fast, and user experience is optimized.

Further, the elastic locking member 3 includes an elastic locking rod 31 and a lock catch 32 disposed at an end of the elastic locking rod 31, the first guiding portion 5 is disposed at a top of the lock catch 32, and the lock catch 32 is guided by the first guiding portion 5 to move toward the cavity 4, and drives the elastic locking rod 31 to elastically deform so that the lock catch 32 is retracted into the cavity 4. As shown in fig. 4 and fig. 5, the first guiding portion 5 is disposed on an upper end surface of the lock catch 32, the locking groove 11 in the filter cartridge 1 is provided with a contact surface that is matched and abutted with the first guiding portion 5, the handle portion 6 moves up to drive the filter core holder 2 to move up as a whole, and in the upward moving process, the contact surface in the locking groove 11 generates a transverse acting component force on the lock catch 32 through the first guiding portion 5, so that the lock catch 32 drives the elastic lock rod 31 to retract towards the cavity 4 and separate from the locking groove 11, and the filter core is unlocked; since the elastic lock rod 31 has elasticity, the lock catch 32 has an automatic resetting function, when the filter element is installed, the lock catch 32 automatically resets through the elastic lock rod 31 and is matched with the locking groove 11 for locking, so that the filter element seat 2 is locked in the filter cartridge 1. The locking structure is simple in integral structure, simple in principle, easy to produce and implement, low in production cost, easy for a user to disassemble and assemble the filter element by himself, time-saving, labor-saving, convenient and fast, and therefore user experience is optimized.

Preferably, the periphery of the filter core seat 2 is provided with a clamping block 21, the clamping block 21 is close to the top of the filter core seat 2, and the end part of the handle part 6 is provided with a clamping groove 61 corresponding to the clamping block 21 for clamping. Because only a part of the handle part 6 extends into the cavity 4 and is connected with the filter core seat 2, the cavity 4 can provide space for elastic deformation for the elastic locking piece 3, and normal operation of the locking structure is guaranteed, so that the handle part 6 is fixedly installed by matching and locking the clamping block 21 and the clamping groove 61 in order to prevent the handle part 6 from moving downwards to occupy the cavity 4, and meanwhile, the handle part 6 can be guaranteed to be positioned at the elastic locking piece 3; the clamping fixing mode is adopted to facilitate the assembly of the handle part 6 and the filter core seat 2, the connecting structure is simple, the implementation is easy, the production cost is lower, and the disassembly and the assembly are easy so as to facilitate the maintenance and the replacement of the filter core seat 2.

Example 2: as shown in fig. 6-9, this embodiment is different from embodiment 1 above in that it further includes a locking drive assembly 7 provided in the cartridge holder 2, the locking drive assembly 7 includes a slider 71 and a reset member 72 mounted in the cartridge holder 2, the side wall of the cartridge holder 2 is provided with a first opening 22, the slider 71 extends into the cavity 4 through the first opening 22 and abuts against the handle portion 6, the handle portion 6 can move longitudinally in the cavity 4 relative to the slider 71, the slider 71 is provided with a second guide portion 711 at an upper portion and a third guide portion 712 at a lower portion, and the handle portion 6 moves up relative to the slider 71 and is guided by the third guide portion 712 to translate and retract; the return member 72 has the function of translating the slider 71 into the cavity 4, and the second guide portion 711 serves to guide the handle portion 6 downward when the slider 71 translates into the cavity 4. As shown in fig. 8, the elastic locking member 3 abuts against the third guide portion 712, and at this time, the elastic locking member 3 is restricted from being retracted toward the cavity 4 by the first guide portion 5; as shown in fig. 9, the elastic locking member 3 abuts against the second guiding portion 711, and at this time, the handle portion 6 is positioned so as to allow the elastic locking member 3 to retract toward the cavity 4 through the first guiding portion 5, so as to unlock the filter element. In order to enhance the locking effect of the locking structure on the filter element, the locking driving assembly 7 is arranged between the handle part 6 and the filter element seat 2, under the condition of locking the filter element, one side of the sliding block 72 penetrates through the second opening 22 to extend into the cavity 4 and enable the third guide part 712 to abut against the handle part 6, under the condition of no external force interference, the sliding block 72 has a limiting effect on the upward movement of the handle part 6, and at the moment, the handle part 6 abuts against the elastic locking piece 3 integrally, so that the elastic locking piece 3 is limited to retract towards the cavity 4 through the first guide part 5 to unlock the filter element, thereby effectively avoiding misoperation to unlock the filter element and enhancing the locking effect of the locking structure on the filter element; when the filter element needs to be unlocked, a user lifts the handle part 6 to enable the handle part to move upwards relative to the sliding block 72, the sliding block 72 is guided to translate towards the inside of the filter element seat 1 through the third guide part 712, so that limit control on the handle part 6 is released, when the handle part 6 moves upwards to be propped against the second guide part 711, the position of the handle part 6 is fixed through the wall body of the filter element seat 2 and the second guide part 711, and at the moment, the handle part 6 is abducted and the elastic locking piece 3 enables the handle part to translate towards the inside of the cavity 4 through the first guide part 5, so that the filter element is unlocked; the piece that resets 7 is preferably reset spring, the piece that resets 7 is used for making slider 71 translate in towards cavity 4, makes it move down to reset through synchronous direction handle portion 6 of second guide portion 711 to make the filter core locking, locking drive assembly 7 simple structure easily production implementation, low in production cost is convenient for the user operation, and is better to the locking effect of filter core, can effectively optimize user experience.

Preferably, the second guiding part 711 is configured as a guiding inclined straight surface or an arc surface at the upper end corner of the sliding block 71, the third guiding part 712 is configured as a guiding inclined straight surface or an arc surface at the lower end corner of the sliding block 71, and the second guiding part 711 and the third guiding part 712 are located at the same side. Preferably, as shown in fig. 8 and 9, the second guiding part 711 is provided as an inclined straight surface at the upper end corner of the slider 71, and the inclined straight surface improves the guiding effect and the limiting effect on the handle part 6; the third guiding portion 712 is configured as an arc surface at the lower end corner of the slider 71, so that the handle portion 6 moves more smoothly along the third guiding portion 712, thereby improving the guiding effect on the handle portion 6, and the arc surface is a smooth surface so as to be beneficial to protecting the handle portion 6, so that the handle portion 6 is not damaged easily, and the service life of the whole locking structure is prolonged; in addition, the slider 71 is also easy to manufacture, implement and assemble.

Preferably, the locking driving assembly 7 further includes a positioning portion 73 disposed in the cartridge holder 2, and the reset element 72 is fixedly connected between the slider 71 and the positioning portion 73. As shown in fig. 6, the positioning part 73 enhances the connection stability of the reset piece 72, and the positioning part 73 and the sliding block 71 can be further provided with a fixed column connected with the reset piece 72, so as to further enhance the connection stability of the reset piece 72, thereby enhancing the overall stability of the locking driving assembly 7 and prolonging the service life of the locking structure; preferably, the positioning portion 73 is preferably integrally formed with the filter cartridge holder 2, which is advantageous for further enhancing structural stability of the filter cartridge holder 2, and also simplifying the overall structure of the locking structure, so as to facilitate production and assembly.

Preferably, at least one first limiting portion 713 is disposed on the outer surface of the slider 71, and the first limiting portion 713 is located on one side of the inner wall of the cartridge 2. Preferably, the upper and lower sides of the sliding block 71 may be provided with a first limiting portion 713, and the sliding block 71 is limited to translate towards the cavity 4 by the first limiting portion 713, so that the situation that the sliding block 71 moves too much and is easy to disengage from the reset piece 72 or the reset piece 72 stretches excessively and fails can be effectively avoided, thereby ensuring the normal operation of the locking driving assembly 7; moreover, the first limiting portion 713 abuts against the inner side wall of the cartridge holder 2, so that stability of the locking structure can be further enhanced.

Preferably, a second limiting portion 23 is further disposed in the filter element seat 2, and is located at one side of the reset piece 72 and close to the slider 71, and the second limiting portion 23 is used for limiting the translation of the slider 71. Through the arrangement of the second limiting portion 23, the situation that the slide block 71 moves too much to be easily separated from the first opening 22, so that the locking driving assembly 7 fails can be effectively avoided, and the normal operation of the locking driving assembly 7 is ensured.

Preferably, a clamping portion 74 is further provided on one side of the slider 71, the filter cartridge holder 2 is provided with a second opening 24 corresponding to the clamping portion 74, and the clamping portion 74 translates relative to the second opening 24 through the slider 71. Further, the engagement portion 74 is integrally formed with the slider 71. As shown in fig. 7, in this embodiment, the filter cartridge 1 is further provided with a groove 12 corresponding to the clamping portion 74, and by setting the clamping portion 74, the connection stability between the filter cartridge seat 2 and the filter cartridge 1 is enhanced, and the clamping portion 74 and the slider 71 are integrally formed, so that the overall structural stability is high, and the clamping portion 74 can move along with the movement of the slider 71, thereby facilitating the operation and use of a user and optimizing the user experience.

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

Claims

1. Be applied to simple and easy locking structure of filter core, characterized by, include:

a filter cartridge holder (2);

the device comprises an elastic locking piece (3), wherein the elastic locking piece (3) is connected to the outer side of a filter element seat (2), a cavity (4) is formed between the elastic locking piece (3) and the filter element seat (2), a first guide part (5) is arranged on the elastic locking piece (3), and the first guide part (5) is used for guiding the elastic locking piece (3) to deform inwards towards the cavity (4);

the handle part (6), the handle part (6) is connected on the filter element seat (2) and stretches into the cavity (4), the handle part (6) moves upwards to drive the filter element seat (2) to move upwards, and in the moving process, the elastic locking piece (3) deforms towards the cavity (4) and retracts into the cavity (4) through the first guide part (5).

2. The simple locking structure for a filter cartridge of claim 1, wherein: the elastic locking piece (3) comprises an elastic locking rod (31) and a lock catch (32) arranged at the end part of the elastic locking rod (31), the first guide part (5) is arranged at the top of the lock catch (32), the lock catch (32) is guided to move towards the cavity (4) through the first guide part (5), and the elastic locking rod (31) is driven to elastically deform so that the lock catch (32) is retracted into the cavity (4).

3. A simple locking structure for a filter cartridge according to claim 1 or 2, characterized in that: the periphery of the filter core seat (2) is provided with a clamping block (21), the clamping block (21) is close to the top of the filter core seat (2), and the end part of the handle part (6) is provided with a clamping groove (61) which is correspondingly locked with the clamping block (21).

4. A simple locking structure for a filter cartridge according to claim 1 or 2, characterized in that: the novel filter cartridge comprises a filter cartridge seat (2), and is characterized by further comprising a locking driving assembly (7) arranged in the filter cartridge seat (2), wherein the locking driving assembly (7) comprises a sliding block (71) and a resetting piece (72) which are arranged in the filter cartridge seat (2), a first opening (22) is formed in the side wall of the filter cartridge seat (2), the sliding block (71) penetrates through the first opening (22) to extend into a cavity (4) and prop against a handle part (6), the handle part (6) can longitudinally move in the cavity (4) relative to the sliding block (71), the sliding block (71) is provided with a second guide part (711) arranged at the upper part and a third guide part (712) arranged at the lower part, and the handle part (6) moves upwards relative to the sliding block (71) and is guided to horizontally retract through the third guide part (712); the reset piece (72) has the function of enabling the sliding block (71) to translate towards the inside of the cavity (4), and the second guide part (711) is used for guiding the lifting handle part (6) to move downwards when the sliding block (71) translates towards the inside of the cavity (4).

5. The simple and easy locking structure who is applied to filter core of claim 4, wherein: the second guide part (711) is arranged to be positioned on a guide inclined straight surface or an arc surface at the upper end angle of the sliding block (71), the third guide part (712) is arranged to be positioned on a guide inclined straight surface or an arc surface at the lower end angle of the sliding block (71), and the second guide part (711) and the third guide part (712) are positioned on the same side.

6. The simple and easy locking structure who is applied to filter core of claim 4, wherein: the locking driving assembly (7) further comprises a positioning part (73) arranged in the filter core seat (2), and the resetting piece (72) is fixedly connected between the sliding block (71) and the positioning part (73).

7. The simple and easy locking structure who is applied to filter core of claim 4, wherein: the outer surface of the sliding block (71) is provided with at least one first limiting part (713), and the first limiting part (713) is positioned on one side of the inner wall of the filter core seat (2).

8. The simple and easy locking structure who is applied to filter core of claim 4, wherein: the filter element seat (2) is internally provided with a second limiting part (23) which is positioned on one side of the resetting piece (72) and is close to the sliding block (71), and the second limiting part (23) is used for limiting the sliding block (71) to translate.

9. The simple and easy locking structure who is applied to filter core of claim 4, wherein: one side of the sliding block (71) is also provided with a clamping part (74), the filter element seat (2) is provided with a second opening (24) corresponding to the clamping part (74), and the clamping part (74) translates relative to the second opening (24) through the sliding block (71).

10. The simple locking structure for a filter cartridge of claim 9, wherein: the engagement portion (74) is integrally formed with the slider (71).