Molecular sieve drying filter capable of being quickly replaced

The design of the rotating threaded rod and quick-release assembly simplifies the disassembly and filter element replacement process of the molecular sieve dryer filter, solves the problem of cumbersome operation in the existing technology, and improves the maintenance efficiency and safety of the equipment.

CN224024662UActive Publication Date: 2026-03-24JIANGSU YUELU NEW MATERIAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing molecular sieve dryer filters are cumbersome to replace and maintain, and their safety and operability are affected, especially in high temperature or high pressure environments.

Method used

The housing cover and housing are connected by a rotating threaded rod, combined with a quick-release assembly including a quick-release head, fastening block, movable sleeve, and fixed sleeve, providing a simple disassembly and installation method. The adjustment function of the spring and fastening block simplifies filter element replacement.

Benefits of technology

It enables rapid disassembly and installation of molecular sieve dryer filters, improves operational efficiency, reduces maintenance difficulty, and enhances safety and operability under high temperature and high pressure environments.

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Abstract

The utility model provides a molecular sieve drying filter capable of being replaced quickly, which relates to the technical field of drying filters and comprises a shell, two rotating grooves are formed in the top of the shell, a threaded rod is arranged at the top of the shell, and a shell cover is movably connected to the top of the shell. And fixing blocks are fixedly installed on the two sides of the bottom of the shell cover, a sealing ring is fixedly installed at the bottom of the shell cover, and the shell cover, the fixing blocks and the shell are sequentially connected to the periphery of the threaded rod in a threaded mode. According to the utility model, on one hand, the shell cover and the shell are connected by rotating the threaded rod, so that a simpler and more convenient dismounting and mounting mode is provided, and the tedious operation during dismounting is reduced, so that the operation is quicker and more efficient when equipment is maintained or a molecular sieve is replaced; on the other hand, by arranging the quick release assembly and combining the adjusting functions of the spring and the fastening block, a user can obtain proper elastic feedback when the filter element is disassembled, and the disassembling process becomes simpler and more convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to drying filter technical field especially relates to a quick replacement molecular sieve drying filter. BACKGROUND

[0002] Molecular sieve drying filter is a kind of equipment commonly used for gas or liquid drying, removes water or other impurities in it by the adsorption of molecular sieve, and molecular sieve is a kind of material with high pore structure, can selectively adsorb moisture according to the size and polarity of molecule, and common molecular sieve materials include zeolite, aluminosilicate etc., they have very small pore size, can effectively capture moisture molecules, without affecting other components of gas or liquid, in the use process, when gas or liquid passes through molecular sieve drying filter, moisture is adsorbed by molecular sieve, thereby achieving the effect of drying, and the equipment is widely used in air compressor, petroleum chemical industry, natural gas treatment, electronic industry etc., is used for removing humidity, oil gas or other harmful substances, and molecular sieve drying filter has higher adsorption capacity and regeneration capacity, can restore its adsorption performance by regular heating or pressure reduction treatment, thereby prolonging service life and maintaining high efficient drying effect.

[0003] The patent with publication number CN220818152U discloses a drying filter convenient for replacing molecular sieve, and specifically discloses the technical scheme of "a copper shell, a groove is formed in the top surface of the copper shell, a cover plate is threadedly connected to the top surface of the groove through screws, an illumination assembly is fixedly connected inside the cover plate, an observation window is fixedly connected inside the illumination assembly, connecting rings are welded at both ends of the copper shell, a sealing assembly is threadedly connected inside the connecting rings, a round cover disc is fixedly connected to one end of the sealing assembly, and a molecular sieve filter core is inserted into the copper shell", which achieves the technical effect of "through simple operation, the operator can conveniently observe the impurities and humidity on the surface of the molecular sieve filter".

[0004] The combination mode of the round cover disc and connecting bolts of the existing device needs to use multiple bolts and nuts for fastening, which can cause the disassembly and installation process to be relatively cumbersome and time-consuming when replacing the molecular sieve or performing maintenance, increase the workload and maintenance difficulty of the operator, and at the same time, although the existing device is equipped with a pull ring and a non-slip sleeve to facilitate replacement, if there is not enough operating space or guidance during the installation or disassembly of the filter core, it can cause inconvenience in operation, especially when replacing the molecular sieve filter core in a high-temperature or high-pressure environment, the safety and operability can be affected.

[0005] Therefore, we propose a quick replacement molecular sieve drying filter. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose is to solve the shortcoming of prior art, and the device overall dismantles and maintains complicatedly, and the filter core is inconvenient to replace simultaneously.

[0007] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] A quick replacement molecular sieve drying filter, including the shell, the top of the shell is equipped with two rotation grooves, the top of the shell is provided with the threaded rod, the top of the shell is movably connected with the shell cover, the bottom both sides of the shell cover are all fixedly installed with fixed block, the bottom of the shell cover is fixedly installed with the sealing ring, the outer periphery of threaded rod is connected with shell cover, fixed block and shell in proper order respectively, the bottom of threaded rod is connected with the nut,

[0009] The bottom of the shell cover is provided with quick release assembly, the bottom of the quick release assembly is rotatably connected with the fixed plate, and the side, away from the quick release assembly, of the fixed plate is fixedly installed with the filter core.

[0010] Preferably, the quick release assembly includes a quick release head, a fastening block, a movable sleeve plate, and a fixed sleeve pipe, the quick release head is fixedly installed at the bottom of the shell cover, a plurality of fastening grooves are formed at the end, away from the shell cover, of the quick release head, and springs are fixedly installed in the fastening grooves.

[0011] Preferably, the end, away from the quick release head, of the spring is fixedly installed with the fastening block, the outer periphery of the quick release head is provided with the movable sleeve plate, the two movable sleeve plates are matched and sleeved on the outer periphery of the quick release head, and the end, away from the spring, of the fastening block is in close contact with the inner part of the movable sleeve plate.

[0012] Preferably, the outer periphery of the movable sleeve plate is provided with the fixed sleeve pipe, a sliding groove is formed in the inner part of the fixed sleeve pipe, the sliding groove is matched with the outer periphery of the movable sleeve plate, and the movable sleeve plate is slidably connected with the fixed sleeve pipe.

[0013] Preferably, a visual window is formed in the outer periphery of the shell, and the outer peripheries of the shell and the shell cover are provided with a coating.

[0014] Preferably, a molecular sieve filling layer is rotatably connected with the shell through a bearing in the inner part of the shell, a gas outlet is fixedly communicated at the bottom of the molecular sieve filling layer, and the outer periphery of the gas outlet is rotatably connected with the shell.

[0015] Preferably, the top of the molecular sieve filling layer is in close contact with the bottom of the shell cover, and a gas inlet is fixedly communicated at the top of the shell cover.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] The utility model discloses, one aspect is connected through the rotation screw rod to the shell cover and the shell, provided more simple and convenient dismounting and installation mode, reduced the cumbersome operation when dismounting, make when carrying out equipment maintenance or replacement molecular sieve, operation is more quick and efficient, on the other hand through setting up quick -release subassembly, the adjustment function of spring and fastening block is combined, make the user when dismounting filter core can obtain proper elastic feedback, make the dismounting process become more simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides a whole structure schematic diagram of molecular sieve drying filter of quick replacement for the utility model,

[0019] Figure 2 The utility model provides a whole structure cross section drawing of molecular sieve drying filter of quick replacement for the utility model,

[0020] Figure 3 The utility model provides a whole structure split drawing of molecular sieve drying filter of quick replacement for the utility model,

[0021] Figure 4 The utility model provides a quick -release subassembly structure split drawing of molecular sieve drying filter of quick replacement for the utility model.

[0022] Legend: 1, shell, 2, shell cover, 3, fixed block, 4, sealing ring, 5, screw rod, 6, nut, 7, fixed plate, 8, filter core, 9, quick -release head, 10, fastening block, 11, movable sleeve plate, 12, fixed sleeve, 13, molecular sieve filling layer, 14, air outlet, 15, air inlet. DETAILED DESCRIPTION

[0023] Below, the technical scheme in the utility model embodiment of the utility model will be described clearly and completely in conjunction with the utility model embodiment, obviously, the described embodiment only is a part of the embodiment of the utility model, but not all the embodiment, based on the embodiment in the utility model, all other embodiments that the person of ordinary skill in the art obtains without making the creative labor belong to the scope of the utility model protection.

[0024] In order to facilitate understanding the utility model, below will refer to relevant the utility model more comprehensive description, given the utility model several embodiments, but, the utility model can realize in many different forms, and is not limited to the embodiment described in this paper, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0025] It is to be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present therebetween, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present therebetween. The terms "vertical", "horizontal", "left", "right" and similar terms as used herein are for the purpose of description only and are not intended to limit the present application.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The use of the terms "and / or" includes a combination of one or more of the associated listed items.

[0027] Embodiments

[0028] As Figures 1-4 shown, the utility model provides a kind of quick replacement molecular sieve drying filter, including shell 1, the top of shell 1 is equipped with two rotary grooves, for fixed block 3 and shell 1 provide cooperation approach, facilitate the installation and adjustment of shell cover 2, the top of shell 1 is provided with threaded rod 5, for connecting shell 1 shell cover 2 and fixed block 3, by rotating threaded rod 5, the disassembly or closing of shell cover 2 can be realized, the top of shell 1 is movably connected with shell cover 2, the bottom of shell cover 2 both sides is fixedly installed with fixed block 3, by the rotation cooperation with threaded rod 5, shell cover 2 can be safely connected to shell 1, the bottom of shell cover 2 is fixedly installed with sealing ring 4, for ensuring the close fit between shell 1 and shell cover 2, avoid extraneous impurities into shell 1 inside, the outer periphery of threaded rod 5 is respectively sequentially threaded with shell cover 2 fixed block 3 and shell 1, the bottom of threaded rod 5 is threaded with nut 6, play locking effect, ensure the fastening between threaded rod and shell cover 2;

[0029] The bottom of shell cover 2 is provided with quick release assembly, can let user quickly disassembles filter core 8 to clean and replace it, the bottom of quick release assembly is rotatably connected with fixed plate 7, guarantee its enough firmness and durability, fixed plate 7 is fixedly installed with filter core 8 on the side away from quick release assembly.

[0030] The quick release assembly comprises a quick release head 9, a fastening block 10, a movable sleeve plate 11 and a fixed sleeve 12, the quick release head 9 is fixedly installed at the bottom of the shell cover 2, the quick release head 9 serves as a core component of the quick release assembly, and convenient disassembly is provided through the design of the quick release head 9, a plurality of fastening grooves are formed at the end of the quick release head 9 away from the shell cover 2, the grooves enable the assembly to be quickly connected or disassembled with other components, springs are fixedly installed in the fastening grooves, the adjustment function of the fastening block 10 is provided through the elastic force of the springs, so that the fastening block 10 can have proper elastic feedback during installation, the fastening block 10 is fixedly installed at the end of the spring away from the quick release head 9, the movable sleeve plate 11 is arranged on the outer periphery of the quick release head 9, the two movable sleeve plates 11 are matched and sleeved on the outer periphery of the quick release head 9, the end of the fastening block 10 away from the spring is tightly attached to the inside of the movable sleeve plate 11, the fixed sleeve 12 is arranged on the outer periphery of the movable sleeve plate 11, the fixed sleeve 12 is arranged on the outer periphery of the movable sleeve plate 11, forming a “sleeving” structure, which ensures the stability of the assembly during use, and the inside of the fixed sleeve 12 is provided with a sliding groove, the sliding groove is matched with the outer periphery of the movable sleeve plate 11, and the movable sleeve plate 11 is slidably connected with the fixed sleeve 12.

[0031] The outer periphery of the shell 1 is provided with a viewing window, so that the user can observe the state of the internal components, the outer periphery of the shell 1 and the shell cover 2 is provided with a coating, which increases the durability of the shell and the ability to adapt to different environments, the inside of the shell 1 is rotatably connected with a molecular sieve filling layer 13 through a bearing, for adsorption of other substances and water separation treatment, the bottom of the molecular sieve filling layer 13 is fixedly connected with an air outlet 14, the outer periphery of the air outlet 14 is rotatably connected with the shell 1, the top of the molecular sieve filling layer 13 is tightly attached to the bottom of the shell cover 2, and the top of the shell cover 2 is fixedly connected with an air inlet 15.

[0032] The working process of the utility model is as follows:

[0033] Step one, when the whole device needs to be installed or disassembled, the operator first loosens the connection between the shell cover 2 and the shell 1 by rotating the threaded rod 5, the shell cover 2 can be easily separated from the shell 1 by rotating the threaded rod 5, this design makes the disassembly and installation of the shell cover 2 quick and simple, saving the time of maintenance personnel;

[0034] Step two, when the filter element 8 needs to be cleaned or replaced, the operator processes the quick release assembly by pushing and pulling the fixed sleeve 12, then the movable sleeve plate 11 and the fixed sleeve 12 can be quickly separated from the quick release head 9, so as to easily disassemble the filter element 8, the fixed plate 7 provides sufficient support for the quick release structure, so that the replacement process of the filter element 8 is stable and reliable, through the design of the quick release assembly, the filter element 8 can be quickly taken out for cleaning or replacement, and the operation is also very simple when reinstalling;

[0035] Step three, after the device starts, the molecular sieve filling layer 13 inside the shell 1 starts to filter and adsorb, the molecular sieve is adsorbed in the shell 1 through rotating bearing and separates water and other impurities, the bottom air outlet 14 and the top air inlet 15 ensure the air circulation, so that the molecular sieve can effectively adsorb the harmful substances in the air, ensure the filtering effect of the device, and the process is under the guarantee of the close connection of the shell cover 2 and the sealing ring 4, not only effectively avoid the impurities from the outside, but also ensure the efficient operation of the equipment.

[0036] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A quick-change molecular sieve drying filter, comprising a housing (1), characterized in that: The top of the outer shell (1) has two rotating slots. The top of the outer shell (1) is provided with a threaded rod (5). The top of the outer shell (1) is movably connected to the outer shell cover (2). Fixing blocks (3) are fixedly installed on both sides of the bottom of the outer shell cover (2). A sealing ring (4) is fixedly installed on the bottom of the outer shell cover (2). The outer periphery of the threaded rod (5) is sequentially threaded with the outer shell cover (2), the fixing blocks (3) and the outer shell (1). The bottom of the threaded rod (5) is threaded with a nut (6). The bottom of the outer cover (2) is provided with a quick-release assembly, and the bottom of the quick-release assembly is rotatably connected to a fixing plate (7). A filter element (8) is fixedly installed on the side of the fixing plate (7) away from the quick-release assembly.

2. The quick-replaceable molecular sieve drying filter according to claim 1, characterized in that: The quick-release assembly includes a quick-release head (9), a fastening block (10), a movable sleeve (11), and a fixed sleeve (12). The quick-release head (9) is fixedly installed at the bottom of the outer cover (2). The end of the quick-release head (9) away from the outer cover (2) has multiple fastening grooves, and springs are fixedly installed inside the fastening grooves.

3. The quick-replaceable molecular sieve drying filter according to claim 2, characterized in that: A fastening block (10) is fixedly installed at the end of the spring away from the quick-release head (9). A movable sleeve plate (11) is provided on the outer periphery of the quick-release head (9). The two movable sleeve plates (11) cooperate and are sleeved on the outer periphery of the quick-release head (9). The end of the fastening block (10) away from the spring is in close contact with the inside of the movable sleeve plate (11).

4. The quick-replaceable molecular sieve drying filter according to claim 3, characterized in that: The movable sleeve (11) is provided with a fixed sleeve (12) on its outer periphery. The fixed sleeve (12) has a sliding groove inside. The sliding groove cooperates with the outer periphery of the movable sleeve (11). The movable sleeve (11) and the fixed sleeve (12) are slidably connected.

5. The quick-replaceable molecular sieve drying filter according to claim 1, characterized in that: The outer periphery of the outer shell (1) is provided with a viewing window, and the outer periphery of both the outer shell (1) and the outer shell cover (2) is provided with a coating.

6. The quick-replaceable molecular sieve drying filter according to claim 1, characterized in that: The interior of the outer shell (1) is rotatably connected to a molecular sieve filling layer (13) via a bearing. The bottom of the molecular sieve filling layer (13) is fixedly connected to an air outlet (14), and the outer periphery of the air outlet (14) is rotatably connected to the outer shell (1).

7. A quick-replaceable molecular sieve drying filter according to claim 6, characterized in that: The top of the molecular sieve filling layer (13) is in close contact with the bottom of the outer shell cover (2), and the top of the outer shell cover (2) is fixedly connected to an air inlet (15).

Citation Information

Patent Citations

  • Drying filter convenient for replacing molecular sieve

    CN220818152U