CN211393904U

CN211393904U - Core replacing structure of water purifier

Info

Publication number: CN211393904U
Application number: CN201922127566.1U
Authority: CN
Inventors: 任富佳; 于浩; 涂小斌; 张开川
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-09-01
Anticipated expiration: 2029-12-02

Abstract

The utility model relates to a purifier field, concretely relates to purifier trades core structure. According to the technical scheme, the filter element can be installed by the matching action of the limiting structure and the handle, and the clamping block is matched with the clamping through hole of the filter flask to bear pressure, so that the overall strength of the component is improved; according to the technical scheme, the filter element can be easily taken out after the top handle is rotated for a certain angle; the installation and the change are convenient and fast, and the loading, unloading and changing can be completed without the help of a tool and a single hand. When the filter bottle is placed in the outer sleeve, the top handle is rotated to enable the fixture blocks to be recovered to the upper end cover, the filter bottle is made to penetrate into the outer sleeve, the handle is loosened after pre-positioning is completed, and the fixture blocks extend out to realize the installation of the filter element; the filter flask can be easily taken out by pulling after rotating the handle at the top for a certain angle.

Description

Core replacing structure of water purifier

Technical Field

The utility model relates to a purifier field, concretely relates to purifier trades core structure.

Background

Current purifier filter core mounting means mainly divide into joint formula, spiral two kinds: the clamping type filter element needs to be screwed to the water purifier in a rotating mode, the filter element is arranged in the filter flask, and when the size of the filter flask is large, the filter flask needs to be held by two hands to rotate; the spiral filter element is assembled and disassembled by an additional wrench. Two kinds of modes need occupy both hands completely or need additionally to match appurtenance, because the dismouting of being not convenient for of current water purifier filter core is changed for the installation is very troublesome, is not convenient for overhaul and then influences work efficiency.

Therefore, it is necessary to provide a new structure for easily replacing the filter element to solve the technical problem of the filter element of the water purifier that is inconvenient to slide.

SUMMERY OF THE UTILITY MODEL

The invention provides a core replacing structure of a water purifier, which can be applied to a top-drawing filter core and a side-drawing filter core and realizes the easy installation and replacement of the filter core by one hand, and the technical scheme is as follows:

a core replacing structure of a water purifier comprises a filter bottle and an outer sleeve which is sleeved on the filter bottle along the axial direction, wherein the top of the filter bottle is provided with a groove along the downward axial direction, and the side wall of the groove is provided with a clamping through hole along the radial direction; a resettable clamping mechanism is arranged in the space corresponding to the groove; the top of the groove is covered with a top cover clamped with the side wall of the groove, the top cover is provided with a circular through shaft hole, the center of the bottom of the groove is provided with a cylindrical boss, and the resettable clamping mechanism is sleeved on the cylindrical boss and rotates by taking the cylindrical boss as a rotating shaft; the outer sleeve is provided with a second clamping through hole, and the second clamping through hole corresponds to the clamping through hole when the filter bottle is in an inserted state;

the resettable clamping mechanism comprises a clamping block, an elastic part, a linkage rod, a handle and a rotating block;

the linkage rod consists of a cylindrical rod at the upper end part, a top cover supporting edge extending in the radial direction at the middle part and a prismatic rod at the lower part; the cylindrical rod penetrates through the shaft penetrating hole and is coaxially and fixedly connected with the handle; the aperture of the shaft penetrating hole is smaller than the axial diameter of the linkage rod supporting edge section;

the lower surface of the rotating block is provided with a cylindrical groove matched with the cylindrical boss, the upper surface of the rotating block is provided with a prismatic groove matched with the prismatic rod, the rotating block is axially provided with a driving rod connected with the elastic part, and the driving rod is connected with the clamping block through the elastic part; through the twist grip extremely rotatory piece rotates the drive the joint piece certainly the second joint through-hole warp the joint through-hole to go into in the recess, with the elastic component realizes the resetting of joint piece.

Furthermore, the number of the driving rods is two or more, and the driving rods are circumferentially arranged on the rotating block at equal angular intervals.

Furthermore, the handle is a T-shaped handle, and an internal thread through hole penetrating through the T-shaped waist part of the handle is formed in the middle of the handle; and the upper end part of the linkage rod is provided with a screw penetrating groove matched with the internal thread through hole.

Further, the groove is a cylindrical concave space, and the top cover is connected with the filter flask in a buckling mode.

Further, the elastic part comprises a guide pin and a spring arranged on the guide pin in a penetrating way; the driving rod is provided with a guide pin penetrating hole, and the clamping block is provided with a butt joint hole and a penetrating pin hole which are matched with the guide pin.

Furthermore, the elastic part further comprises a gasket, the guide pin sequentially penetrates through the driving rod through hole, the gasket and the spring, the pin head end of the guide pin is located on one side of the driving rod through hole, and the other end of the guide pin penetrates through the butt joint hole of the clamping block to be fixed through the pin through hole by a flat head pin.

Still further, the recess bottom is equipped with the guide block, the guide block becomes U type structure, and the opening is upwards, the guide block is located the gasket with between the initiative pole, the uide pin passes the U type space of guide block.

Furthermore, a limiting edge is arranged at the junction of the driving rod and the rotating block, and after the driving rod rotates for a certain angle, a limiting block which can be abutted against the limiting edge is arranged on the groove.

Furthermore, the inner wall of the outer sleeve is provided with a positioning groove extending in the direction parallel to the axial direction, and the outer wall of the filter flask is provided with a positioning convex edge matched with the positioning groove.

Furthermore, the cross sections of the clamping hole and the second clamping hole are rectangles which are equal, and the cross section of the clamping block is a rectangle which is matched with the rectangular through hole.

According to the technical scheme, the filter element can be installed by the matching action of the limiting structure and the handle, and the clamping block is matched with the clamping through hole of the filter flask to bear pressure, so that the overall strength of the component is improved; according to the technical scheme, the filter element can be easily taken out after the top handle is rotated for a certain angle; the installation and the change are convenient and fast, and the loading, unloading and changing can be completed without the help of a tool and a single hand.

When the filter bottle is placed in the outer sleeve, the top handle is rotated to enable the fixture blocks to be recovered to the upper end cover, the filter bottle is made to penetrate into the outer sleeve, the handle is loosened after pre-positioning is completed, and the fixture blocks extend out to realize the installation of the filter element; the filter flask can be easily taken out by pulling after rotating the handle at the top for a certain angle.

Drawings

FIG. 1 is a schematic perspective view of a core-changing structure of a water purifier;

FIG. 2 is an exploded view of a component of a core-changing structure of the water purifier;

reference numerals: the filter flask comprises a clamping block 1, an outer sleeve 12, a handle 2, a top cover 3, a linkage rod 4, a cylindrical boss 5, a rotating block 7, a driving rod 71, a convex rib 72, a clamping through hole 9, a filter flask 10, a second clamping through hole 11, a guide pin 6, a spring 14, a guide block 15, a limiting block 16, a gasket 13, a positioning groove 18 and a positioning convex rib 17.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The embodiment discloses a core replacing structure of a water purifier, which comprises a filter flask 10 and an outer sleeve 12 axially sleeved on the filter flask 10, wherein the top of the filter flask 10 is provided with a downward axial groove, and the side wall of the groove is radially provided with a clamping through hole 9; a resettable clamping mechanism is arranged in the space corresponding to the groove; the top cover 3 clamped with the side wall of the groove is covered at the top of the groove, a circular through shaft hole is formed in the top cover 3, a cylindrical boss 5 is arranged at the center of the bottom of the groove, and the resettable clamping mechanism is sleeved on the cylindrical boss 5 and rotates by taking the same as a rotating shaft; the outer sleeve 12 is provided with a second clamping through hole 11, and the position of the second clamping through hole 11 corresponds to the position of the clamping through hole 9 when the filter bottle 10 is in an inserted state.

A concave space is arranged at the top of the filter flask 10, a clamping mechanism with a reset function is arranged in the space, and the clamping mechanism with the reset function comprises a clamping block 1, an elastic part, a linkage rod 4, a handle 2 and a rotating block 7; the linkage rod 4 consists of a cylindrical rod at the upper end part, a top cover supporting edge extending in the radial direction at the middle part and a prismatic rod at the lower part; the cylindrical rod passes through the through shaft hole on the ejector rod 3 and is coaxially and fixedly connected with the handle 2; the handle 2 rotates to drive the linkage rod 4 to rotate, and the diameter of the through shaft hole is smaller than that of the linkage rod support edge shaft; because top cap 3 and filter flask 10 joint, when lifting handle 2 or side direction pulling handle, the support is followed and is driven top cap 3 and then pull out the filter flask with handle 2.

The lower surface of the rotating block 7 is provided with a cylindrical groove matched with the cylindrical boss 5, the upper surface of the rotating block 7 is provided with a prismatic groove matched with a prismatic rod, the prismatic rod can be used for rotating the rotating block in a linkage manner when the handle is used for rotating, and the rotational freedom degree is limited by the prismatic groove and the prismatic rod. The rotating block 7 is axially provided with a driving rod 71 connected with the elastic part, and the driving rod 71 is connected with the clamping block 1 through the elastic part; through rotating handle 2 through trace 4 to rotatory piece 7 rotation drive joint piece 1 from second joint through-hole 11 through joint through-hole 9 to the recess internal retraction to the elastic component realizes reseing of joint piece 1. When the clamping block 1 is contracted to the maximum radius smaller than the inner diameter of the outer sleeve 12, the filter flask 10 can be taken out. Elastic part can be realized by spring, clockwork spring, block rubber, the part that has elastic performance, and this structure setting is in the recess space, behind 2 joint pieces of twist grip 1 retraction space, deformation takes place for this elastic part, after loosening the handle, elastic part deformation recovers 1 ejecting recess space to the biggest radius department of joint piece and is greater than the second joint through-hole 11 and says true external diameter department of overcoat 12 outer walls.

Example 2

This example is further defined on the basis of example 1, which is shown in figure 1,

the number of the active rods 71 is two or more, and the active rods are circumferentially arranged on the rotating block 7 at equal angular intervals.

The handle 2 is a T-shaped handle, and an internal thread through hole penetrating through the T-shaped waist is formed in the middle of the handle 2; the upper end of the linkage rod 4 is provided with a screw penetrating groove matched with the internal thread through hole. The groove space above the filter bottle 2 is a cylindrical concave space, and the top cover 3 is connected with the filter bottle 10 in a buckling mode.

The elastic part comprises a guide pin 6 and a spring 14 arranged on the guide pin 6 in a penetrating way; the driving rod 71 is provided with a guide pin penetrating hole, and the clamping block 1 is provided with a butt joint hole and a penetrating pin hole which are matched with the guide pin 6. The driving rod 71 rotates to pull the guide pin 6, so that the clamping block 1 retracts, the guide pin penetrates through a hole, the hole diameter of one end with the pin head is small, the hole diameter of the penetrating end is large, and a conical space capable of swinging is provided for the guide pin 6.

The elastic part further comprises a gasket 13, the guide pin 6 sequentially penetrates through the driving rod penetrating hole, the gasket 13 and the spring 14, the pin head end of the guide pin 6 is located on one side of the driving rod penetrating hole, and the other end of the guide pin 6 penetrates through the butt joint hole of the clamping block 1 to be fixed through the pin penetrating hole through a flat head pin. The flat head pin embedded in the clamping block 1 can fully utilize the limited space in the groove.

The bottom of the groove is provided with a guide block 15, the guide block 15 is in a U-shaped structure, the opening is upward, the guide block 15 is positioned between the gasket 13 and the driving rod 71, and the guide pin 6 penetrates through the U-shaped space of the guide block 15. When the handle 2 rotates, the driving rod 71 rotates along with the rotating block 7, the guide pin 6 is pulled, the gasket 13 abuts against the guide block 15, the guide pin 6 is axially translated along the guide block 15 through the conical space, and the clamping block 1 is further translated; the clamping block 1 will extend and retract between the clamping through hole 9 and the second clamping through hole 11 in a smooth manner.

The junction of the driving rod 71 and the rotating block 7 is provided with a limiting edge 72, and after the driving rod 71 rotates for a certain angle, the groove is provided with a limiting block 16 which can be abutted against the limiting edge 72. The limiting block limits the retraction amount of the clamping block 1, and meets the requirement that the maximum edge diameter change is smaller than the outer diameter of the filter bottle 10, so that the filter bottle 10 can be inserted in a pulling mode.

The inner wall of the outer sleeve 12 is provided with a positioning groove 18 extending in parallel with the axial direction, and the outer wall of the filter flask 10 is provided with a positioning convex rib 17 matched with the positioning groove 18. See fig. 1. Here in order to allow better position correspondence of the snap-through hole 9 and the second snap-through hole 11 in the radial direction. The axial direction will have a corresponding stop for the filter flask 10 at the bottom of the jacket 12.

The cross-sections of the clamping through hole 9 and the second clamping through hole 11 are equal rectangles, and the cross-section of the clamping block 1 is a rectangle matched with the rectangular through hole. The cross-sections of the clamping through hole 9, the second clamping through hole 11 and the clamping block 1 are all rectangular, so that foreign matters such as dust can be prevented from entering the device.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A water purifier core replacing structure comprises a filter bottle (10) and an outer sleeve (12) which is sleeved on the filter bottle (10) along the axial direction, and is characterized in that the top of the filter bottle (10) is provided with a groove along the downward axial direction, and the side wall of the groove is provided with a clamping through hole (9) along the radial direction; a resettable clamping mechanism is arranged in the space corresponding to the groove; the top cover (3) clamped with the side wall of the groove is covered at the top of the groove, a circular through shaft hole is formed in the top cover (3), a cylindrical boss (5) is arranged at the center of the bottom of the groove, and the resettable clamping mechanism is sleeved on the cylindrical boss (5) and rotates by taking the same as a rotating shaft; a second clamping through hole (11) is formed in the outer sleeve (12), and the second clamping through hole (11) corresponds to the clamping through hole (9) when the filter bottle (10) is in an inserted state; the resettable clamping mechanism comprises a clamping block (1), an elastic part, a linkage rod (4), a handle (2) and a rotating block (7);

the linkage rod (4) consists of a cylindrical rod at the upper end part, a top cover supporting edge extending in the radial direction at the middle part and a prismatic rod at the lower part; the cylindrical rod penetrates through the shaft penetrating hole and is coaxially and fixedly connected with the handle (2); the aperture of the shaft penetrating hole is smaller than the axial diameter of the linkage rod supporting edge section;

the lower surface of the rotating block (7) is provided with a cylindrical groove matched with the cylindrical boss (5), the upper surface of the rotating block (7) is provided with a prismatic groove matched with the prismatic rod, the rotating block (7) is axially provided with a driving rod (71) connected with the elastic part, and the driving rod (71) is connected with the clamping block (1) through the elastic part; through the twist grip extremely rotatory piece (7) rotate and drive joint piece (1) certainly second joint through-hole (11) warp joint through-hole (9) to the retraction in the recess, with the elastic component realizes stretching out of joint piece (1) resets.

2. The water purifier core-changing structure according to claim 1, wherein the number of the active rods (71) is two or more, and the active rods are circumferentially arranged on the rotating block (7) at equal angular intervals.

3. The water purifier core changing structure according to claim 1, wherein the handle is a T-shaped handle, and an internal thread through hole penetrating through the T-shaped waist part is formed in the middle of the handle (2); and a screw penetrating groove matched with the internal thread through hole is formed in the upper end part of the linkage rod (4).

4. The water purifier core-changing structure according to claim 1, wherein the groove is a cylindrical concave space, and the top cover (3) is connected with the filter flask (10) in a snap-fit manner.

5. The water purifier core changing structure according to claim 1, wherein the elastic part comprises a guide pin (6) and a spring (14) arranged on the guide pin (6) in a penetrating way; the driving rod (71) is provided with a guide pin penetrating hole, and the clamping block (1) is provided with a butt joint hole and a penetrating pin hole which are matched with the guide pin (6).

6. The core changing structure of the water purifier as recited in claim 5, wherein the elastic part further comprises a gasket (13), the guide pin (6) sequentially passes through the hole for the driving rod, the gasket (13) and the spring (14), the head end of the guide pin (6) is located at one side of the hole for the driving rod, and the other end of the guide pin (6) penetrates through the butt hole of the clamping block (1) to be fixed by a flat head pin from the pin hole.

7. The core changing structure of the water purifier as recited in claim 6, wherein a guide block (15) is arranged at the bottom of the groove, the guide block (15) is in a U-shaped structure with an opening facing upwards, the guide block (15) is located between the gasket (13) and the active rod (71), and the guide pin (6) passes through the U-shaped space of the guide block (15).

8. The core changing structure of the water purifier as recited in claim 1, wherein a limiting edge (72) is disposed at a junction of the active rod (71) and the rotating block (7), and after the active rod (71) rotates a certain angle, a limiting block (16) capable of abutting against the limiting edge (72) is disposed on the groove.

9. The water purifier core changing structure according to claim 1, wherein the inner wall of the outer sleeve (12) is provided with a positioning groove (18) extending in parallel with the axial direction, and the outer wall of the filter flask (10) is provided with a positioning rib (17) matched with the positioning groove (18).

10. The core changing structure of the water purifier as recited in claim 1, wherein the cross-sections of the clamping through hole (9) and the second clamping through hole (11) are equal rectangles, and the cross-section of the clamping block (1) is a rectangle matched with the clamping through hole (9) and the second clamping through hole (11).