Edge sealing enhanced air filter element

Abstract

The utility model provides an edge sealing enhanced air filter element, which relates to the technical field of air filter elements, and comprises a paper filter element, the paper filter element is of a cylindrical through cavity structure, and fixing ring frames are arranged at the front end and the rear end of the paper filter element; mounting ring frames are arranged on the two fixed ring frames in a sleeving manner; sealing washers arranged on the mounting ring frames are tight and reliable, the situation of air leakage at the edge can be prevented, when the filter element is fixedly mounted, the paper filter element can be effectively prevented from being damaged by pressing through mutual matching of a supporting ring and a connecting tightening latch and the elastic effect of a compression spring, and the filter element is prevented from being damaged by pressing. The air filter element is simple in assembly structure and flexible and convenient to use, and the problems that when an existing air filter element is used, due to the fact that the caliber size of the filter element has a certain error, air leakage is prone to occurring on the edge, and in the bolt pressing process of the air filter element, the air filter element is prone to being crushed due to improper force control, and the use reliability of the air filter element is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of air filters, in particular to an edge-sealing enhanced air filter. Background Art

[0002] An air filter is a filter, also known as an air filter cartridge, an air cleaner, a filter element, etc. It is mainly used for air filtration in engineering locomotives, automobiles, agricultural locomotives, laboratories, sterile operation rooms, and various precision operation rooms.

[0003] For example, the application number: CN201721289109.7 discloses an air filter, which includes a filter net and two cover bodies arranged at both ends of the filter net. The filter net is folded into a wavy shape. Installation grooves for inserting the filter net are formed on the end faces of the two cover bodies facing the filter net. The key technical point of the technical solution is that the filter net is folded into a wavy shape, so that under the same volume, the contact area between the filter net and air is increased, and thus the air filter provides a larger filtration area and high filtration efficiency.

[0004] When the existing air filter is in use, due to certain errors in the caliber size of the filter element, air leakage is likely to occur at the edge. Moreover, during the process of bolt tightening of the air filter, if the force is not properly controlled, the paper filter element is easily damaged, resulting in a reduction in the reliability of its use. Summary of the Utility Model

[0005] An embodiment of the present disclosure relates to an edge-sealing enhanced air filter. The sealing gasket provided on the mounting ring frame is tight and reliable, which can prevent air leakage at the edge. Moreover, when the filter element is fixedly installed, the support ring and the connecting bolt rod cooperate with each other, and by utilizing the elastic action of the compression spring, it can effectively avoid damage to the paper filter element. Its assembly structure is simple and it is flexible and convenient to use.

[0006] In the first aspect of the present disclosure, an edge-sealing enhanced air filter is provided, which specifically includes: a paper filter element, the paper filter element is a cylindrical through-cavity structure, and fixing ring frames are provided at both the front and rear ends of the paper filter element; mounting ring frames are sleeved on both of the fixing ring frames, and the two mounting ring frames are symmetrically distributed; mounting end covers are provided at the relative outer ends of the two mounting ring frames; two connecting members are provided between the two mounting ring frames, and the two connecting members are symmetrically distributed.

[0007] In at least some embodiments, a connecting column is provided between the two fixing ring frames, and the connecting column is located in the cavity of the paper filter element. A support frame is provided in the fixing ring frame, and the connecting column is connected to the fixing ring frame through the support frame.

[0008] In at least some embodiments, connecting bolts are provided at the front and rear ends of the connecting column, and the two connecting bolts are symmetrically distributed. A support ring is slidably sleeved on the connecting bolt, and a compression spring is sleeved on the connecting bolt, and one end of the compression spring is connected to the support ring.

[0009] In at least some embodiments, a sealing washer is fixedly sleeved on the outer peripheral surface of the mounting ring frame. Two limit blocks are provided at the outer port of the mounting ring frame, and the two limit blocks are symmetrically distributed. Two connecting rods are provided at the inner port of the mounting ring frame, and the two connecting rods are parallel to each other. The end of the connecting rod mounted on the rear mounting ring frame is connected to the connecting member.

[0010] In at least some embodiments, a locking nut is provided at the center position on the outer side of the mounting end cover, and two limit slots are opened on the mounting end cover, and the two limit slots are symmetrically distributed.

[0011] In at least some embodiments, when the mounting end cover is in a connected state with the fixed ring frame and the mounting ring frame, the mounting end cover is clamped with the limit block of the mounting ring frame through the limit slot, and the connecting bolt passes through the mounting end cover and is controlled by the locking nut. The support ring is in contact with the mounting end cover, and the compression spring is supported between the connecting column and the support ring.

[0012] In at least some embodiments, a threaded sleeve is provided on the connecting member. A bayonet is opened on the threaded sleeve. A locking sleeve is slidably mounted on the threaded sleeve by means of threads. The connecting rod mounted on the front mounting ring frame passes through the threaded sleeve and is controlled by the locking sleeve.

[0013] The present utility model provides an edge-sealing enhanced air filter element, which has the following beneficial effects:

[0014] In the present utility model, the sealing washer provided on the mounting ring frame is tight and reliable, which can prevent air leakage at the edge. Moreover, when the filter element is fixedly installed, the support ring and the connecting bolt cooperate with each other, and by utilizing the elastic action of the compression spring, it can effectively prevent the paper filter element from being crushed. Its assembly structure is simple and it is flexible and convenient to use.

[0015] In addition, in the present utility model, due to the provision of the connecting member, by slidingly matching the threaded sleeve with the connecting rod and controlling it through the locking sleeve, the distance between the two mounting ring frames can be adjusted, so as to meet the installation and use of paper filter elements with different length dimensions, and the structure is more reasonable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below.

[0017] The drawings in the following description only relate to some embodiments of the present utility model and do not limit the present utility model.

[0018] In the accompanying drawings:

[0019] Figure 1 A schematic diagram of the overall axonometric perspective structure of the present application is shown;

[0020] Figure 2 The Figure 1 exploded state structure diagram drawn out of the present application is shown;

[0021] Figure 3 A schematic diagram of the fixed ring frame structure of the present application is shown;

[0022] Figure 4 A schematic diagram of the mounting ring frame, mounting end cover and connecting member structure of the present application is shown;

[0023] Figure 5 The Figure 4 schematic diagram of the enlarged structure of part A in the present application is shown.

[0024] List of reference numerals:

[0025] 1, paper filter element; 2, fixed ring frame; 201, connecting column; 202, support frame; 203, connecting bolt rod; 204, support ring; 205, compression spring; 3, mounting ring frame; 301, sealing washer; 302, limit block; 303, connecting rod; 4, mounting end cover; 401, locking nut; 402, limit groove; 5, connecting member; 501, threaded sleeve; 502, bayonet; 503, locking sleeve. Detailed implementation manners

[0026] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0027] Embodiment 1: Please refer to Figures 1 to 5 :

[0028] The present utility model provides an edge-sealing enhanced air filter element, comprising: a paper filter element 1, the paper filter element 1 having a cylindrical through cavity structure, and fixed ring frames 2 being provided at both front and rear ends of the paper filter element 1; mounting ring frames 3 being sleeved on both of the fixed ring frames 2, and the two mounting ring frames 3 being symmetrically distributed; mounting end covers 4 being provided at the opposite outer ends of the two mounting ring frames 3; two connecting members 5 being provided between the two mounting ring frames 3, and the two connecting members 5 being symmetrically distributed;

[0029] A connecting column 201 is provided between two fixing ring frames 2, and the connecting column 201 is located in the cavity of the paper filter element 1. A support frame 202 is provided in the fixing ring frame 2, and the connecting column 201 is connected to the fixing ring frame 2 through the support frame 202.

[0030] In the embodiment of the present disclosure, as Figures 2 to 4 shown, connecting bolts 203 are provided at the front and rear ends of the connecting column 201, and the two connecting bolts 203 are distributed symmetrically. A support ring 204 is slidably sleeved on the connecting bolt 203. A compression spring 205 is sleeved on the connecting bolt 203, and one end of the compression spring 205 is connected to the support ring 204;

[0031] A sealing gasket 301 is fixedly sleeved on the outer peripheral surface of the mounting ring frame 3. Two limit blocks 302 are provided at the outer side port of the mounting ring frame 3, and the two limit blocks 302 are distributed symmetrically. Two connecting rods 303 are provided at the inner side port of the mounting ring frame 3, and the two connecting rods 303 are distributed in parallel. And the end of the connecting rod 303 mounted on the rear mounting ring frame 3 is connected to the connecting member 5;

[0032] A locking nut 401 is provided at the center position on the outer side of the mounting end cover 4. Two limit slots 402 are formed in the mounting end cover 4, and the two limit slots 402 are distributed symmetrically;

[0033] When the mounting end cover 4 is in a connected state with the fixing ring frame 2 and the mounting ring frame 3, the mounting end cover 4 is clamped with the limit block 302 of the mounting ring frame 3 through the limit slot 402, and the connecting bolt 203 passes through the mounting end cover 4 and is controlled by the locking nut 401. The support ring 204 is in contact with the mounting end cover 4, and the compression spring 205 is supported between the connecting column 201 and the support ring 204. In the present utility model, the sealing gasket 301 provided on the mounting ring frame 3 is tight and reliable, which can prevent air leakage at the edge. Moreover, when the filter element is fixedly installed, the support ring 204 and the connecting bolt 203 cooperate with each other, and by using the elastic action of the compression spring 205, it can effectively avoid damaging the paper filter element 1.

[0034] Embodiment 2, on the basis of Embodiment 1, as Figure 5 shown, a threaded sleeve 501 is provided on the connecting member 5. A bayonet 502 is formed in the threaded sleeve 501. A locking sleeve 503 is slidably installed on the threaded sleeve 501 by means of threads. The connecting rod 303 mounted on the front mounting ring frame 3 passes through the threaded sleeve 501. In the present utility model, due to the provision of the connecting member 5, by the sliding fit of the threaded sleeve 501 and the connecting rod 303 and the control by the locking sleeve 503, the distance between the two mounting ring frames 3 can be adjusted, so as to meet the installation and use of paper filter elements 1 of different length dimensions.

[0035] Working principle of this embodiment: During use, the sealing washer 301 provided on the mounting ring frame 3 is tight and reliable, which can prevent air leakage at the edge. Moreover, when fixedly installing the filter element, the support ring 204 and the connecting bolt rod 203 cooperate with each other, and with the elastic action of the compression spring 205, it can effectively prevent the paper filter element 1 from being damaged; due to the provision of the connecting member 5, through the sliding fit of the threaded sleeve 501 and the connecting rod 303 and being controlled by the locking sleeve 503, the distance between the two mounting ring frames 3 can be adjusted, thereby meeting the installation and use of the paper filter element 1 with different length dimensions.

[0036] The above is only the specific implementation manner of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present disclosure can easily think of changes or substitutions, which should all be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. An edge seal enhanced air filter element, characterized in that: include: A paper filter element, the paper filter element is a cylindrical through-cavity structure, and fixed ring frames are provided at the front and rear ends of the paper filter element; mounting ring frames are mounted on the two fixed ring frames, and the two mounting ring frames are distributed in a symmetrical manner; mounting end covers are provided at the opposite outer ends of the two mounting ring frames; two connecting pieces are provided between the two mounting ring frames, and the two connecting pieces are distributed in a symmetrical manner.

2. The edge seal enhanced air filter element according to claim 1, characterized in that: A connecting column is arranged between the two fixed ring frames, and the connecting column is located in the cavity of the paper filter element. A supporting frame is arranged in the fixed ring frame, and the connecting column is connected to the fixed ring frame through the supporting frame.

3. The edge seal enhanced air filter element according to claim 2, characterized in that: The front and rear ends of the connecting column are provided with connecting bolts, and the two connecting bolts are symmetrically distributed. A supporting ring is slidably sleeved on the connecting bolt, and a compression spring is sleeved on the connecting bolt, and one end of the compression spring is connected to the supporting ring.

4. The edge seal enhanced air filter element according to claim 1, characterized in that: The outer peripheral surface of the mounting ring frame is fixedly sleeved with a sealing gasket, the outer port of the mounting ring frame is provided with two limit blocks, and the two limit blocks are symmetrically distributed, the inner port of the mounting ring frame is provided with two connecting rods, and the two connecting rods are distributed in parallel, and the end of the connecting rod installed on the rear mounting ring frame is connected to the connecting piece.

5. The edge seal enhanced air filter element according to claim 1, characterized in that: A locking nut is arranged at the center position of the outer side of the mounting end cover, and two limiting slots are opened on the mounting end cover, and the two limiting slots are distributed in a symmetrical manner.

6. The edge seal enhanced air filter element according to claim 5, characterized in that: When the mounting end cover is in a connected state with the fixed ring frame and the mounting ring frame, the mounting end cover is clamped with the limiting block of the mounting ring frame through the limiting clamping groove, and the connecting bolt rod passes through the mounting end cover and is controlled by the locking nut, the support ring contacts the mounting end cover, and the compression spring is supported between the connecting column and the support ring.

7. The edge seal enhanced air filter element according to claim 1, characterized in that: The connector is provided with a threaded sleeve, which is provided with a bayonet, and a locking sleeve is slidably mounted on the threaded sleeve by means of a thread. The connecting rod mounted on the front mounting ring frame passes through the threaded sleeve and is controlled by the locking sleeve.

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