Liquid tank sealing type partition-free air filter

Abstract

The utility model discloses a liquid tank sealing type partition-free air filter, which belongs to the technical field of air filtration and comprises a filter shell, an annular air bag is sleeved outside the filter shell, a first blocking frame is mounted on the rear portion of the filter shell, the first blocking frame blocks the rear portion of the annular air bag, and a second blocking frame is mounted on the rear portion of the annular air bag. And the annular air bag is fixedly connected with an air tap. A sealing cover is installed on the outer portion of the air tap in a threaded mode. The filter shell comprises a shell body and a second blocking frame, and the second blocking frame is fixedly connected to the front portion of the shell body. The filter shell further comprises a protection net, and the protection net is fixedly connected to the inner end of the front portion of the shell. The first blocking frame comprises a frame body and a blocking fence, after the filter shell is installed in the target notch, gas is inflated into the annular air bag through the gas nozzle, the annular air bag is expanded outwards through the gas, the gap between the groove and the filter shell is filled with the annular air bag, and the matching degree between the filter shell and the target notch is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air filtration, in particular to a liquid tank sealed air filter without partition. Background Art

[0002] The partitionless high-efficiency filter adopts aluminum alloy profiles, multi-layer plate frames, aluminum plate frames, and galvanized steel plate frames. The most commonly used is aluminum alloy profile frame, which is mainly made into a cubic structure. Glass fiber is mostly used, and chemical fiber is gradually being used. Some foreign manufacturers use statically charged polytetrafluoroethylene fiber (electret) to manufacture high-efficiency filters, commonly known as PTFE.

[0003] When a conventional partitionless high-efficiency filter is installed in a corresponding liquid tank, the liquid tank and the partitionless high-efficiency filter need to be highly matched. When the gap is too large, it is difficult to install normally. Therefore, the process requirements for the partitionless high-efficiency filter and the liquid tank wall are relatively high, resulting in a relatively low matching degree between the conventional partitionless high-efficiency filter and different sealing grooves.

[0004] Therefore, we propose a liquid tank sealed partitionless air filter to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problem of low matching degree between conventional high-efficiency filters without partitions and different sealing grooves, and proposes a liquid tank sealed air filter without partitions.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The liquid tank sealed non-partitioned air filter comprises a filter housing, an annular air bag is sleeved on the outside of the filter housing, a first baffle is installed at the rear of the filter housing, the first baffle blocks the rear of the annular air bag, and a gas nozzle is fixedly connected to the annular air bag. After the filter housing is installed in the target notch, gas is filled into the annular air bag through the gas nozzle, and the annular air bag is expanded outward by the gas, so that the annular air bag fills the gap between the tank and the filter housing, thereby improving the matching degree between the filter housing and the target notch.

[0008] Preferably, a sealing cap is installed on the external thread of the gas nozzle. After the gas is filled into the annular airbag, the sealing cap is tightened to increase the sealing performance of the gas nozzle, reduce the gas loss rate of the annular airbag, and improve the inflation durability of the annular airbag.

[0009] Preferably, the filter housing comprises a housing and a second stop frame, wherein the second stop frame is fixedly connected to the front of the housing. The second stop frame is used to block the front of the annular airbag to prevent the annular airbag from sliding forward and detaching from the filter housing, thereby improving the stability of the assembly of the annular airbag and the filter housing.

[0010] Preferably, the filter housing further comprises a protective net, which is fixedly connected to the front inner end of the housing. The protective net is used to block the front of the housing to prevent hands from directly contacting the internal filter layer during installation, thereby improving the safety of the internal filter layer of the filter housing.

[0011] Preferably, the first baffle frame includes a frame body and a baffle, and the baffle is fixedly connected to the outside of the frame body. After the frame body is placed on the shell, bolts are passed through the frame body and installed on the shell, so that the first baffle frame is fixedly installed with the shell, and the first baffle frame is removed, and then the annular airbag is removed, so that the annular airbag is easily disassembled.

[0012] Preferably, the first baffle frame further comprises a spring buckle, which is fixedly connected to the front end of the frame body. The spring buckle is inserted into the rear of the housing to keep the first baffle frame at the rear of the filter housing, making it convenient to tighten the screw through the frame body.

[0013] Preferably, the sealing cover comprises a cover body, and a hexagonal groove is formed at the front of the cover body. An external wrench is inserted into the hexagonal groove, and the wrench is screwed to drive the cover body to rotate, and the cover body is screwed on the air nozzle, so as to facilitate tightening or unscrewing the sealing cover.

[0014] In summary, the technical effects and advantages of the utility model are as follows:

[0015] 1. After installing the filter housing in the target notch, fill the gas into the annular airbag through the air nozzle, and use the gas to expand the annular airbag outward so that the annular airbag fills the gap between the groove and the filter housing, thereby improving the matching degree between the filter housing and the target notch.

[0016] 2. After filling the annular airbag with gas, tighten the sealing cover and use the sealing cover to increase the sealing of the air nozzle, reduce the gas loss rate of the annular airbag, and increase the inflation durability of the annular airbag.

[0017] 3. The second stop frame is used to block the front of the annular airbag to prevent the annular airbag from sliding forward and separating from the filter housing, thereby improving the stability of the assembly of the annular airbag and the filter housing.

[0018] 4. Use a protective net to block the front of the shell to prevent your hands from directly contacting the internal filter layer during installation, thereby improving the safety of the filter layer inside the filter housing.

[0019] 5. After the frame is placed against the shell, install the bolts through the frame on the shell to fix the first baffle frame to the shell. Remove the first baffle frame and then remove the annular airbag to facilitate the disassembly and assembly of the annular airbag.

[0020] 6. Insert the external wrench into the hexagonal groove, turn the wrench to drive the cover to rotate, and tighten the cover onto the air nozzle to facilitate tightening or unscrewing the sealing cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the filter housing structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the first baffle structure of the utility model;

[0024] Figure 4 It is a schematic diagram of the sealing cover structure of the utility model.

[0025] In the figure: 1, annular airbag; 2, filter housing; 3, first baffle frame; 4, sealing cover; 5, air nozzle; 21, shell; 22, second baffle frame; 23, protection net; 31, frame; 32, baffle; 33, spring buckle; 41, cover body; 42, hexagonal groove. DETAILED DESCRIPTION

[0026] The technical solutions in the utility model embodiments will be described clearly and completely below in conjunction with the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the utility model embodiments, rather than all of the embodiments.

[0027] Reference Figure 1 The liquid tank sealed partitionless air filter comprises a filter housing 2, an annular air bag 1 is sleeved on the outside of the filter housing 2, a first baffle frame 3 is installed at the rear of the filter housing 2, the first baffle frame 3 blocks the rear of the annular air bag 1, and an air nozzle 5 is fixedly connected to the annular air bag 1.

[0028] Reference Figure 1 The external thread of the gas nozzle 5 is provided with a sealing cover 4. After the gas is filled into the annular airbag 1, the sealing cover 4 is tightened, and the sealing cover 4 is used to increase the sealing performance of the gas nozzle 5.

[0029] Reference Figure 1 and 2 The filter housing 2 includes a housing 21 and a second stop frame 22. The second stop frame 22 stops the front of the annular airbag 1. The second stop frame 22 is fixedly connected to the front of the housing 21. The second stop frame 22 stops the front of the annular airbag 1 to prevent the annular airbag 1 from sliding forward and leaving the filter housing 2.

[0030] Reference Figure 1 and 2 The filter housing 2 further comprises a protective net 23, which is fixedly connected to the front inner end of the housing 21. The protective net 23 is used to block the front of the housing 21 to prevent the hand from directly contacting the internal filter layer during installation.

[0031] Reference Figure 1 ,2 3, the first baffle 3 includes a frame 31 and a baffle 32, the frame 31 is located at the rear of the housing 21, the baffle 32 blocks the rear of the annular airbag 1, and the baffle 32 is fixedly connected to the outside of the frame 31. After the frame 31 is pushed against the housing 21, bolts are passed through the frame 31 and installed on the housing 21, so that the first baffle 3 is fixedly installed with the housing 21, and the first baffle 3 is disassembled, and then the annular airbag 1 is disassembled.

[0032] Reference Figure 1 , 2 3, the first baffle 3 also includes a snap 33, the snap 33 is movably inserted in the rear of the housing 21, and the snap 33 is fixedly connected to the front end of the frame 31. The snap 33 is inserted into the rear of the housing 21 to keep the first baffle 3 at the rear of the filter housing 2, and then the bolts are installed.

[0033] Reference Figure 1 and 4 The sealing cover 4 includes a cover body 41, which is threadedly sealed and installed on the gas nozzle 5. A hexagonal groove 42 is provided at the front of the cover body 41. An external wrench is inserted into the hexagonal groove 42, and the cover body 41 is rotated by the wrench to rotate, and the cover body 41 is tightened on the gas nozzle 5.

[0034] Working principle: After the filter housing 2 is installed in the target notch, gas is filled into the annular airbag 1 through the air nozzle 5, and the annular airbag 1 is expanded outward by the gas, so that the annular airbag 1 fills the gap between the groove and the filter housing 2, thereby increasing the matching degree between the filter housing 2 and the target notch.

[0035] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited to it. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the utility model according to the technical scheme and utility model concept of the utility model, which should be covered by the protection scope of the utility model.

[0036] The description briefly mentions the application direction of the utility model for the prior art that is known to those skilled in the art and has not been changed, and combines it with the utility model to form a complete technology; the description avoids over-popularizing the technology familiar to those skilled in the art, and is used to assist those skilled in the art to quickly understand the main content of the utility model.

Claims

1. A liquid tank sealed non-partitioned air filter, comprising a filter housing (2), characterized in that: The filter housing (2) is covered with an annular airbag (1) on its exterior, and a first baffle (3) is installed at the rear of the filter housing (2). The first baffle (3) blocks the rear of the annular airbag (1), and an air nozzle (5) is fixedly connected to the annular airbag (1).

2. The tank-sealed non-partitioned air filter according to claim 1, characterized in that: The external thread of the gas nozzle (5) is provided with a sealing cover (4).

3. The tank-sealed non-partitioned air filter according to claim 1, characterized in that: The filter housing (2) comprises a shell (21) and a second baffle frame (22), wherein the second baffle frame (22) is fixedly connected to the front part of the shell (21).

4. The tank-sealed non-partitioned air filter according to claim 3, characterized in that: The filter housing (2) further comprises a protective net (23), wherein the protective net (23) is fixedly connected to the front inner end of the housing (21).

5. The tank-sealed non-partitioned air filter according to claim 1, characterized in that: The first baffle frame (3) comprises a frame body (31) and a baffle (32), wherein the baffle (32) is fixedly connected to the outside of the frame body (31).

6. The tank-sealed non-partitioned air filter according to claim 5, characterized in that: The first baffle frame (3) further comprises a spring buckle (33), and the spring buckle (33) is fixedly connected to the front end of the frame body (31).

7. The tank-sealed non-partitioned air filter according to claim 2, characterized in that: The sealing cover (4) comprises a cover body (41), and a hexagonal groove (42) is formed at the front of the cover body (41).

Images