Straight-through type air filter

Abstract

The utility model relates to the technical field of filters, and discloses a straight-through type air filter which comprises a filter cylinder, an installation support is fixedly installed at the inner bottom of the filter cylinder, a limiting ring is fixedly installed at the top of the installation support, an installation block is connected into the limiting ring in a sliding mode, and guide blocks are fixedly installed on the two sides of the surface of the installation block. According to the straight-through type air filter, through the arrangement of the mounting support, the limiting ring, the mounting block, the guide block, the filter cartridge and the springback assembly, in the using process, a worker places the mounting block at the bottom of the filter cartridge in the limiting ring, the guide block slides in the limiting ring, and after the mounting block is placed in the mounting support, the mounting block is rotated; during rotation, a spring drives a telescopic rod to move upwards, when the telescopic rod moves upwards, the telescopic rod abuts against a mounting block, and the mounting block makes contact with the bottom of a limiting ring, so that the effect of facilitating personnel to quickly mount and dismount the filter cartridge is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a straight-through air filter. Background Art

[0002] Most of the air filters on the commercial vehicle market are ordinary cylinder air filters, desert filters and oil bath air filters, but they have many disadvantages such as high flow resistance, large space occupation and unsightly appearance, which has also led to an increasing demand for straight-through air filters in the market. Straight-through air filters, as the name suggests, are "air filters that pass directly through.

[0003] A straight-through air filter disclosed in publication number CN221230197U can automatically clean the surface of the coarse filter screen of the filter during use, thereby avoiding clogging of the coarse filter screen by large particles of impurities. There is no need for frequent manual cleaning, which makes it more convenient to use and ensures the filtering effect of the air filter.

[0004] However, this straight-through air filter has the following disadvantages:

[0005] After cleaning the filter with a brush, foreign matter will fall to the bottom of the filter. Long-term accumulation can easily clog the filter and make it inconvenient to install and remove the filter cartridge.

[0006] Due to long-term use, the internal parts of the filter need to be replaced. During the replacement, there are too many steps for installing and disassembling the filter, which is inconvenient to use. Utility Model Content

[0007] The technical problem solved by the utility model is to provide a straight-through air filter which is highly practical, can be operated simply and has a relatively simple structure. It solves the problem proposed in the above background technology that after the filter is cleaned with a brush, foreign matter will fall to the inner bottom of the filter, and long-term stacking will easily cause blockage of the filter, and the internal parts of the filter need to be replaced due to long-term use, and there are too many steps for installing and disassembling the filter during replacement.

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a straight-through air filter, including a filter cartridge, a mounting support fixedly installed on the inner bottom of the filter cartridge, a limiting ring fixedly installed on the top of the mounting support, a mounting block slidably connected inside the limiting ring, guide blocks fixedly installed on both sides of the surface of the mounting block, a filter cartridge fixedly installed on the top of the mounting block, a plurality of rebound components are arranged inside the mounting support, a sealing cover is arranged on the top of the filter cartridge, snap-in grooves are opened at the four corners of the surface of the sealing cover, and the mounting components are snap-into the inside of the snap-in grooves.

[0009] Optionally, the rebound assembly includes a plurality of telescopic rods fixedly mounted inside a mounting support, springs are sleeved on surfaces of the telescopic rods, and mounting blocks are overlapped on tops of the telescopic rods.

[0010] Optionally, the mounting assembly includes rotating grooves opened at the four corners of the filter cartridge surface, the interior of the rotating groove is rotatably connected to a rotating rod, one end of the rotating rod is fixedly installed with a threaded rod, the surface of the threaded rod is threadedly connected to a clamping block, and the bottom of the clamping block is in contact with the surface of the sealing cover.

[0011] Optionally, a guide tube is fixedly installed in the middle of the surface of the sealing cover, and a through groove matching the size of the guide tube is opened in the middle of the surface of the filter cartridge.

[0012] Optionally, sliding grooves are provided on both sides of the surface of the limiting ring, the size of the sliding grooves matches the size of the guide blocks, and the guide blocks slide inside the sliding grooves.

[0013] Optionally, an embedding groove is provided at an inner edge of the sealing cover, and a sealing ring is provided inside the embedding groove.

[0014] The utility model provides a straight-through air filter, which has the following beneficial effects:

[0015] 1. The straight-through air filter is provided with a mounting support, a limiting ring, a mounting block, a guide block, a filter cartridge and a rebound component. During use, a person places the mounting block at the bottom of the filter cartridge inside the limiting ring, and the guide block slides inside the limiting ring. After the mounting block is placed inside the mounting support, the mounting block is rotated. During the rotation, the spring drives the telescopic rod to move upward. When the telescopic rod moves upward, it will resist the mounting block, and the mounting block will contact the bottom of the limiting ring, which makes it convenient for people to quickly install and disassemble the filter cartridge.

[0016] 2. In the process of using the through-type air filter, through the settings of the filtering cylinder, the sealing cover and the installation component, the operator rotates the rotating rod through the rotating groove. When the rotating rod rotates, it will drive the threaded rod to rotate. When the operator rotates the clamping block through the threaded rod, the clamping block will move downward to install the sealing cover, which facilitates the operator to seal and install the sealing cover. Description of the Drawings

[0017] Figure 1 Schematic diagram of the overall structure of the present invention;

[0018] Figure 2 Schematic diagram of the split structure of the present invention;

[0019] Figure 3 Schematic diagram of the structure of the spring-back component of the present invention;

[0020] Figure 4 Schematic diagram of the structure of the installation component of the present invention.

[0021] In the figure: 1, filtering cylinder; 2, installation support; 3, limiting ring; 4, installation block; 5, guiding block; 6, filter cartridge; 7, spring-back component; 71, telescopic rod; 72, spring; 8, sealing cover; 9, installation component; 91, rotating rod; 92, threaded rod; 93, clamping block; 10, sealing ring. Detailed Description of the Invention

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1 to 4 , the present invention provides a technical solution: a through-type air filter, including a filtering cylinder 1, an installation support 2 is fixedly installed at the inner bottom of the filtering cylinder 1, a limiting ring 3 is fixedly installed on the top of the installation support 2, an installation block 4 is slidably connected inside the limiting ring 3, guide blocks 5 are fixedly installed on both sides of the surface of the installation block 4, sliding grooves are opened on both sides of the surface of the limiting ring 3, the size of the sliding grooves is adapted to the size of the guide blocks 5, and the guide blocks 5 slide inside the sliding grooves;

[0024] Through the setting of the sliding grooves, when installing the installation block 4, the sliding grooves on the surface of the limiting ring 3 will guide the installation block 4, and during the guiding, the guide blocks 5 will guide the installation block 4 through the sliding grooves, improving the installation efficiency.

[0025] The top of the mounting block 4 is fixedly installed with a filter cartridge 6. A number of resilient components 7 are arranged inside the mounting support 2. The top of the filtration cylinder 1 is provided with a sealing cover 8. In the middle of the surface of the sealing cover 8, a guiding tube is fixedly installed. A through groove adapted to the size of the guiding tube is formed in the middle of the surface of the filter cartridge 6;

[0026] Through the setting of the through groove, it is convenient for personnel to introduce air into the interior of the filter cartridge 6 through the guiding tube, and the filter cartridge 6 will filter the air entering the interior.

[0027] At the four corners of the surface of the sealing cover 8, clamping grooves are formed. Inside the clamping grooves, mounting components 9 are clamped. At the edge inside the sealing cover 8, an embedding groove is formed. Inside the embedding groove, a sealing ring 10 is arranged;

[0028] Through the setting of the sealing ring 10, during use, the sealing ring 10 will seal the gap between the sealing cover 8 and the filtration cylinder 1, reducing the entry of foreign objects through the gap between the sealing cover 8 and the filtration cylinder 1 and improving the sealing effect. Embodiment 1

[0029] The resilient component 7 includes a number of telescopic rods 71 fixedly installed inside the mounting support 2. A spring 72 is sleeved on the surface of the telescopic rod 71. The top of the telescopic rod 71 abuts against the mounting block 4;

[0030] During use, personnel place the mounting block 4 at the bottom of the filter cartridge 6 inside the limiting ring 3. The guiding block 5 slides inside the limiting ring 3. After placing the mounting block 4 inside the mounting support 2, the mounting block 4 is rotated. When rotating, the spring 72 will drive the telescopic rod 71 to move upward. When the telescopic rod 71 moves upward, it will abut against the mounting block 4, and the mounting block 4 will contact the bottom of the limiting ring 3. Embodiment 2

[0031] The mounting component 9 includes rotating grooves formed at the four corners of the surface of the filtration cylinder 1. Inside the rotating grooves, rotating rods 91 are rotatably connected. At one end of the rotating rod 91, a threaded rod 92 is fixedly installed. A clamping block 93 is threadedly connected to the surface of the threaded rod 92. The bottom of the clamping block 93 contacts the surface of the sealing cover 8;

[0032] During use, personnel rotate the rotating rod 91 through the rotating groove. When the rotating rod 91 rotates, it will drive the threaded rod 92 to rotate. When personnel rotate the clamping block 93 through the threaded rod 92, the clamping block 93 will move downward to install the sealing cover 8.

[0033] In the present utility model, the working steps of the device are as follows:

[0034] Step 1: A person places the mounting block 4 at the bottom of the filter cartridge 6 inside the limiting ring 3, and the guide block 5 slides inside the limiting ring 3. After the mounting block 4 is placed inside the mounting support 2, the mounting block 4 is rotated. During the rotation, the spring 72 drives the telescopic rod 71 to move upward. When the telescopic rod 71 moves upward, it will resist the mounting block 4, and the mounting block 4 will contact the bottom of the limiting ring 3.

[0035] The second step: During use, the personnel rotates the rotating rod 91 through the rotating groove. When the rotating rod 91 rotates, it will drive the threaded rod 92 to rotate. When the personnel rotates the clamping block 93 through the threaded rod 92, the clamping block 93 will move downward to install the sealing cover 8.

[0036] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0037] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A direct-flow air filter, comprising a filter cartridge (1), characterized in that: An installation support (2) is fixedly installed at the inner bottom of the filtering cylinder (1). A limiting ring (3) is fixedly installed at the top of the installation support (2). An installation block (4) is slidably connected inside the limiting ring (3). Guide blocks (5) are fixedly installed on both sides of the surface of the installation block (4). A filter cylinder (6) is fixedly installed at the top of the installation block (4). A number of spring-back components (7) are arranged inside the installation support (2). A sealing cover (8) is arranged at the top of the filtering cylinder (1). Clamping grooves are formed at the four corners of the surface of the sealing cover (8), and an installation component (9) is clamped inside the clamping grooves.

2. The through-type air filter according to claim 1, wherein: The spring-back component (7) includes a number of telescopic rods (71) fixedly installed inside the installation support (2). A spring (72) is sleeved on the surface of the telescopic rod (71). The top of the telescopic rod (71) abuts against the installation block (4).

3. The straight-through air filter according to claim 1, characterized in that: The installation component (9) includes rotation grooves formed at the four corners of the surface of the filtering cylinder (1). A rotating rod (91) is rotatably connected inside the rotation grooves. A threaded rod (92) is fixedly installed at one end of the rotating rod (91). A clamping block (93) is threadedly connected to the surface of the threaded rod (92). The bottom of the clamping block (93) is in contact with the surface of the sealing cover (8).

4. The straight-through air filter according to claim 1, characterized in that: A guide tube is fixedly installed in the middle of the surface of the sealing cover (8). A through groove adapted to the size of the guide tube is formed in the middle of the surface of the filter cylinder (6).

5. The straight-through air filter according to claim 1, wherein: Sliding grooves are formed on both sides of the surface of the limiting ring (3). The size of the sliding grooves is adapted to the size of the guide blocks (5), and the guide blocks (5) slide inside the sliding grooves.

6. The through-type air filter according to claim 1, wherein: An embedding groove is formed at the edge inside the sealing cover (8), and a sealing ring (10) is arranged inside the embedding groove.

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