Filter with filter element convenient to replace

By designing the housing, filter frame, inlet, slide, top plate, slider, and compression spring in the filter, automatic filter element replacement is achieved, solving the problem of cumbersome and time-consuming filter element replacement in the existing technology, and improving replacement efficiency and ease of operation.

CN223602120UActive Publication Date: 2025-11-28QINGDAO ZHENGXIN ANDA ENVIRONMENTAL PROTECTION EQUIP CO LTD
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Patent Information

Application Number
CN202422925015.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-11-28
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

Existing filters require manual disassembly of the housing or filter element fixing device when replacing the filter element, which is cumbersome and time-consuming, reducing the efficiency of filter element replacement.

Method used

By designing the housing, filter frame, inlet, slide, top plate, slider, movable port, and compression spring in a coordinated manner, the filter frame can automatically pop out when the filter element is replaced, simplifying the operation process.

Benefits of technology

It improves the efficiency of filter replacement, has a simple structure, is easy to operate, saves time and effort, and is highly practical.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223602120U_ABST
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Abstract

The utility model relates to the technical field of filters, in particular to a filter convenient to replace a filter element, which comprises a shell and a filter frame, an insertion opening is arranged at the top of the shell, the filter frame is slidably arranged on the insertion opening, the size of the filter frame is matched with that of the insertion opening, a slide way is arranged at the top of the shell, and a top plate is arranged at the top of the shell. A sliding block is fixedly installed at the bottom of the top plate and slidably arranged on the sliding way, a movable opening is formed in the bottom in the shell, a compression spring is fixedly installed in the movable opening, the movable opening, the compression spring and the insertion opening are located on the same horizontal plane, and the corner, close to one side of the top plate, of the filter frame is arranged to be a bevel edge. According to the filter, when the filter element is replaced, the filter frame can be automatically ejected out of the shell, the replacement efficiency of the filter element is effectively improved, and the device is simple in structure, convenient to operate, time-saving, labor-saving and high in practicability.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to filter technical field, especially, relate to a filter convenient to replace filter core. BACKGROUND

[0002] The filter is a kind of equipment that can separate, remove solid particles, impurities, harmful components etc. in fluid (liquid or gas), make fluid reach expected purity, is widely used in different fields of efficient purification equipment, with multiple classification ways to adapt to different filtering needs.

[0003] The filter in the prior art needs to be manually disassembled shell or filter core fixing device when replacing filter core, which is often tedious and time-consuming, reduces the efficiency of filter core replacement, and needs to be improved, therefore, a filter convenient to replace filter core is provided. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a filter convenient to replace filter core to solve the problems in the above background.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a filter convenient to replace filter core, including shell, filter frame and filter core, the shell top is equipped with the socket, the filter frame is slidably arranged on the socket, and the size of filter frame is matched with the size of socket, the shell top is equipped with the slide, the shell top is equipped with the top plate, and the bottom of top plate is fixedly installed with the sliding block, the sliding block is slidably arranged on the slide, the bottom of shell is equipped with the movable port, the movable port is fixedly installed with the compression spring, the movable port, compression spring and socket are in the same horizontal plane, and the corner close to the side of top plate of filter frame is provided with bevel.

[0006] As a further description of the above scheme: through the cooperation between shell, filter frame, filter core, socket, slide, top plate, sliding block, movable port and compression spring, filter frame can be automatically ejected from shell when filter core is replaced, the efficiency of filter core replacement is effectively improved, the device is simple in structure, convenient to operate, time-saving and labor-saving, and practical.

[0007] Preferably, the side of sliding block is equipped with mounting port, the mounting port is fixedly installed with fixed spring, the fixed spring is pressed between sliding block and fixed block, the fixed block is slidably arranged on the mounting port, the side of shell in slide is equipped with fixed port, and the fixed block and fixed port are provided as matching arc surface.

[0008] As a further description of the above scheme: after filter frame and filter core are installed, top plate can be simply fixed, and the stability of top plate is improved when filter works.

[0009] Preferably, the slide and the sliding block are provided with two symmetrical groups, and the size of the slide is matched with the size of the sliding block.

[0010] As a further description of the above scheme: the stability of the top plate during horizontal movement can be improved.

[0011] Preferably, the bottom edge of the top plate is paved with a sealing pad, and the sealing pad is made of rubber.

[0012] As a further description of the above scheme: the bottom edge of the top plate is paved with a sealing pad made of rubber, which can seal the top of the filter after the filter frame and the filter core are installed, thereby avoiding the leakage of the medium.

[0013] Preferably, the filter frame is provided with at least two groups, and the number of groups of the socket, the movable port and the spring is the same as the number of groups of the filter frame.

[0014] As a further description of the above scheme: the filter frame and the filter core can improve the filtering effect of the medium.

[0015] Preferably, a handle is fixedly installed in the middle of the top surface of the top plate.

[0016] As a further description of the above scheme: the handle facilitates the movement of the top plate.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows: through the cooperation between the shell, the filter frame, the filter core, the socket, the slide, the top plate, the sliding block, the movable port and the compression spring, the filter frame can be automatically ejected from the shell when the filter core is replaced, the replacement efficiency of the filter core is effectively improved, the device has a simple structure, is convenient to operate, saves time and effort, and has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a perspective view of the utility model;

[0019] Figure 2 It is a structure view of the filter frame before installation;

[0020] Figure 3 It is a structure view of the filter frame and the filter core;

[0021] Figure 4 It is a top view of the shell of the utility model;

[0022] Figure 5 It is a perspective view of the utility model Figure 4 It is an enlarged structure view of A in the middle;

[0023] Figure 6 It is a structure view of the top plate of the utility model;

[0024] Figure 7 A slider front view sectional view structure of the utility model;

[0025] Figure 8 A slider front view sectional view structure of the utility model Figure 1 An enlarged structural view of B;

[0026] Legend:

[0027] 1, shell; 2, filter frame; 3, filter core; 4, socket; 5, slide; 6, top plate; 7, slider; 8, movable port; 9, compression spring; 10, mounting port; 11, fixed spring; 12, fixed block; 13, fixed port; 14, handle. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Please refer to Figures 1-8 The utility model provides a technical scheme:

[0030] A filter convenient for replacing filter core 3, comprising shell 1, filter frame 2 and filter core 3, the top of shell 1 is provided with socket 4, filter frame 2 is slidably arranged on socket 4, and the size of filter frame 2 is matched with the size of socket 4, the top of shell 1 is provided with slide 5, the top of shell 1 is provided with top plate 6, and top plate 6 is fixedly installed with slider 7 at the bottom, slider 7 is slidably arranged on slide 5, the inner bottom of shell 1 is provided with movable port 8, compression spring 9 is fixedly installed in movable port 8, movable port 8, compression spring 9 and socket 4 are in the same horizontal plane, and the corner of the side close to top plate 6 of filter frame 2 is provided with bevel.

[0031] When filter screen and filter core 3 need to be fixedly installed on shell 1, the operator inserts filter frame 2 into shell 1 from socket 4 at the top of shell 1, and the top edge of filter frame 2 is exposed outside shell 1 by the action force of compression spring 9, at this time, the bevel at the corner of the top edge of filter frame 2 is opposite to top plate 6, the operator pushes top plate 6, top plate 6 is slid on slide 5 through slider 7, and top plate 6 is closed, in the process of closing top plate 6, the bevel of filter frame 2 is subjected to the action force of the side of top plate 6, and automatically moves into shell 1 on socket 4, in the process of moving downward, compression spring 9 is compressed into movable port 8, after top plate 6 is completely slid and closed, filter frame 2, filter core 3 and shell 1 form a filter, and medium can be filtered;

[0032] When the filter needs to be replaced for a long time of filtering, the operator slides the top plate 6 to completely expose the socket 4 at the top of the shell 1, at which time the filter frame 2 is automatically ejected from the socket 4 by the elastic restoring force of the compression spring 9 in the movable port 8, and then the operator removes the filter frame 2 and replaces the filter element 3 thereon, and then re-installs the filter frame 2 and the filter element 3;

[0033] The filter can automatically eject the filter frame 2 from the shell 1 when the filter element 3 is replaced, effectively improving the replacement efficiency of the filter element 3, and the device has simple structure, convenient operation, time and labor saving, and strong practicality.

[0034] The mounting port 10 on the side edge of the sliding block 7 is fixedly installed with a fixed spring 11, the fixed spring 11 is pressed between the sliding block 7 and the fixed block 12, the fixed block 12 is slidingly arranged on the mounting port 10, and the shell 1 is arranged with a fixed port 13 on the side edge of the sliding channel 5, and the fixed block 12 and the fixed port 13 are arranged as matching arc surfaces.

[0035] After the top plate 6 at the top of the shell 1 is completely closed, the mounting port 10 on the side edge of the sliding block 7 is opposite to the fixed port 13, the fixed block 12 is pushed into the fixed port 13 by the elastic force of the fixed spring 11, the sliding block 7 is fixed, and the top plate 6 is simply fixed, thereby improving the stability of the top plate 6 during the operation of the filter, and when the top plate 6 is slidingly opened, the operator only needs to slightly push the top plate 6, and the fixed block 12 can be automatically retracted into the mounting port 10.

[0036] The sliding channel 5 and the sliding block 7 are arranged in two groups of relative symmetry, and the size of the sliding channel 5 is matched with the size of the sliding block 7.

[0037] The sliding channel 5 and the sliding block 7 are arranged in two groups of relative symmetry, and the size of the sliding channel 5 is matched with the size of the sliding block 7, thereby improving the stability of the top plate 6 during horizontal movement.

[0038] The bottom edge of the top plate 6 is paved with a sealing pad, and the sealing pad is made of rubber material.

[0039] The bottom edge of the top plate 6 is paved with a sealing pad made of rubber material, which can seal the top of the filter after the filter frame 2 and the filter element 3 are installed, thereby avoiding the leakage of the medium.

[0040] The filter frame 2 is arranged in at least two groups, and the number of groups of the socket 4, the movable port 8 and the spring is the same as the number of groups of the filter frame 2.

[0041] The multiple groups of filter frames 2 and filter elements 3 can improve the filtering effect of the medium.

[0042] The handle 14 is fixedly installed in the middle of the top surface of the top plate 6.

[0043] The handle 14 is arranged to facilitate the operation personnel to move the top plate 6.

[0044] Working principle:

[0045] When it is needed to fix and install the filter screen and the filter core 3 on the shell 1, the operation personnel holds the filter frame 2, inserts the filter frame 2 into the shell 1 from the socket 4 at the top of the shell 1, and makes the filter frame 2 top edge exposed outside the shell 1 through the action force of the compression spring 9, at this time, the bevel at the top edge corner of the filter frame 2 is opposite to the top plate 6, the operation personnel pushes the top plate 6, the top plate 6 is slid on the slide 5 through the slide block 7, the top plate 6 is closed, in the process of closing the top plate 6, the bevel of the filter frame 2 is subjected to the action force of the side edge of the top plate 6, and the filter frame 2 is automatically moved into the shell 1 on the socket 4, in the process of moving the filter frame 2 downwards, the compression spring 9 is compressed into the movable port 8, after the top plate 6 is completely slid and closed, the filter frame 2, the filter core 3 and the shell 1 form a filter, and the filter can filter the medium;

[0046] When the filter is filtered for a long time and the filter core 3 on the filter frame 2 needs to be replaced, the operation personnel slides the top plate 6 to completely expose the socket 4 at the top of the shell 1, at this time, the top edge of the filter frame 2 is automatically ejected from the socket 4 through the elastic recovery force of the compression spring 9 in the movable port 8, then the operation personnel takes out the filter frame 2, replaces the filter core 3 on the filter frame 2, and re-installs the filter frame 2 and the filter core 3.

[0047] The filter can automatically eject the filter frame 2 from the shell 1 when the filter core 3 is replaced, effectively improves the replacement efficiency of the filter core 3, has simple device structure, convenient operation, saves time and effort, and has high practicability.

[0048] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model makes equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A filter facilitating replacement of a filter cartridge (3) comprising a housing (1), a filter frame (2), and a filter cartridge (3), characterized in that, The shell (1) top is provided with a socket (4), the filter frame (2) is slidably arranged on the socket (4), and the size of the filter frame (2) is matched with the size of the socket (4), the shell (1) top is provided with a slide (5), the shell (1) top is provided with a top plate (6), the bottom of the top plate (6) is fixedly installed with a sliding block (7), the sliding block (7) is slidably arranged on the slide (5), the bottom of the shell (1) is provided with a movable port (8), the movable port (8) is fixedly installed with a compression spring (9), the movable port (8), the compression spring (9) and the socket (4) are in the same horizontal plane, and the corner of the filter frame (2) close to the top plate (6) is provided with an inclined edge.

2. A filter with a filter cartridge (3) that is easy to replace according to claim 1, characterized in that The side of the sliding block (7) is provided with a mounting port (10), the mounting port (10) is fixedly installed with a fixed spring (11), the fixed spring (11) is pressed between the sliding block (7) and the fixed block (12), the mounting port (10) is slidably provided with a fixed block (12), the shell (1) is provided with a fixed port (13) on the side of the slide (5), and the fixed block (12) and the fixed port (13) are provided as matched arc surfaces.

3. A filter facilitating replacement of a filter cartridge (3) according to claim 2, characterized in that The slide (5) and the sliding block (7) are provided with two groups of symmetrical structures, and the size of the slide (5) is matched with the size of the sliding block (7).

4. A filter with a filter cartridge (3) that is easy to replace according to claim 1, characterized in that The bottom edge of the top plate (6) is paved with a sealing pad, and the sealing pad is made of rubber material.

5. A filter with a filter cartridge (3) that is easy to replace according to claim 1, characterized in that The filter frame (2) is provided with at least two groups, the socket (4), the movable port (8) and the spring are provided with the same number of groups as the filter frame (2).

6. A filter with a filter cartridge (3) that is easy to replace according to claim 1, characterized in that The top surface of the top plate (6) is fixedly installed with a handle (14).