CN217139729U - Buckle type air filter cylinder - Google Patents

Abstract

The utility model discloses a buckle type air filter cylinder, which comprises a connecting ring, a filter screen and a clamping mechanism; connecting rings: the lower surface of the connecting cylinder is provided with a connecting cylinder, the upper end of the connecting cylinder is of an open structure, the upper end of the connecting cylinder is communicated with the inside of the connecting ring, the outer arc surface of the connecting cylinder is uniformly provided with air holes, and the lower end of the connecting cylinder is in threaded connection with a limiting chassis; a filter screen: the upper end of the filter screen is attached to the lower surface of the connecting ring, and the lower end of the filter screen is attached to the upper surface of the limiting base plate; a clamping mechanism: set up in the inside of go-between, the filter screen includes nanometer filter screen, HEPA filter screen, active carbon filter screen, just filter screen and filter paper, the outer cambered surface of connecting cylinder is located to nanometer filter screen movable sleeve, and this buckle formula air is strained a section of thick bamboo, makes the installation of air strain a section of thick bamboo and demolishs simple and convenient high efficiency that the process is more, has alleviateed workman's work burden and has improved the change or the cleaning efficiency that the air strained a section of thick bamboo.

Description

A snap-on air filter cartridge

technical field

The utility model relates to the technical field of air filtration, in particular to a snap-on air filter cartridge.

Background technique

Air filter cartridge is a kind of air filter device. According to the filtering principle, air filter cartridge can be divided into filter type, centrifugal type, oil bath type and composite type. It is generally used in engineering locomotives, automobiles, agricultural locomotives, laboratories , air filtration in sterile operating rooms and various precision operating rooms, the most common of which is the use in automobile engines, most of which are installed in front of the carburetor or intake pipe to filter out dust and sand in the air. To ensure that sufficient and clean air enters the cylinder.

During the use of the air filter cartridge, whether flange, rubber pipe or direct connection is used between the air filter and the equipment inlet pipe, they must be tight and reliable to prevent air leakage. Rubber gaskets must be installed on both ends of the filter element to fix it. Do not overtighten the wing nut of the air filter cover to avoid crushing the paper filter element.

In order to facilitate the installation of the air filter cartridge, many air filter cartridges adopt the snap-on installation method, but some snap-on air filter cartridges require complicated steps to disassemble and replace, and the disassembly takes a long time, which affects the air filter cartridge. To improve the replacement or cleaning efficiency, we propose a snap-on air filter cartridge.

Utility model content

The technical problem to be solved by the utility model is to overcome the existing defects and provide a snap-on air filter cartridge, the installation and removal process of the air filter cartridge is more simple and efficient, the replacement or cleaning efficiency of the air filter cartridge is improved, and the air filter cartridge can be effectively Solve the problems in the background art.

In order to achieve the above purpose, the utility model provides the following technical solutions: a snap-on air filter cartridge, comprising a connecting ring, a filter screen and a snap-on mechanism;

Connecting ring: the lower surface is provided with a connecting cylinder, the upper end of the connecting cylinder is an open structure, the upper end of the connecting cylinder is communicated with the interior of the connecting ring, the outer arc surface of the connecting cylinder is evenly provided with air holes, and the lower end of the connecting cylinder is threaded to limit the position chassis;

Filter mesh: its movable sleeve is set on the outer arc surface of the connecting cylinder, the upper end of the filter mesh is attached to the lower surface of the connecting ring, and the lower end of the filter mesh is attached to the upper surface of the limit chassis;

Clamping mechanism: set inside the connecting ring, the air filter cartridge can be disassembled only by turning the swivel ring, reducing the time required for the installation and dismantling of the air filter cartridge, making the installation and dismantling process more simple and efficient, The workload of workers is reduced, the cleaning and replacement of the whole device is convenient, and the replacement or cleaning efficiency of the air filter cartridge is improved.

Further, the filter screen includes a nano filter screen, a HEPA filter screen, an activated carbon filter screen, a primary filter screen and a filter paper, and the nano filter screen is movably sleeved on the outer arc surface of the connecting cylinder, and the outer arc surface of the nano filter screen is movably sleeved. There is a HEPA filter, the outer arc of the HEPA filter is equipped with an activated carbon filter, the outer arc of the activated carbon filter is equipped with a primary filter, the outer arc of the primary filter is equipped with filter paper, nano filter, HEPA filter The upper end of the whole composed of the net, the activated carbon filter and the primary filter is attached to the lower surface of the connecting ring, and the lower end of the whole composed of the nano filter, the HEPA filter, the activated carbon filter and the primary filter and the upper surface of the limit chassis Fit, filter the air.

Further, the clamping mechanism includes an oblique clamping block, a sliding groove and a spring, the sliding groove is annularly arranged in the middle of the inner arc surface of the connecting ring, and the interior of the sliding groove is slidably connected with an oblique clamping block, and the oblique clamping The sides of the block away from the center of the connecting ring are provided with springs, and the outer ends of the springs are respectively fixedly connected with the inner walls of the adjacent chute, so as to facilitate the connection between the overall device and the external pipeline.

Further, the clamping mechanism also includes a steel wire rope and a swivel ring, the swivel ring is movably sleeved on the outer arc surface of the connecting ring, and the side of the oblique clamping block away from the center of the connecting ring and the inner arc surface of the swivel ring are spaced apart. A steel wire rope is provided, and the steel wire rope passes through the circular holes in the inner part of the adjacent spring and the outer end of the connecting ring respectively, so as to facilitate the dismantling of the whole device.

Further, limit plates are symmetrically arranged on the outer arc surfaces of the connecting ring respectively, and the relative inner sides of the two limit plates corresponding to the vertical positions are both attached to the outer surface of the swivel ring to limit the position of the swivel ring.

Further, a support ring is provided on the lower end of the inner arc surface of the connecting ring, and a sealing gasket is provided on the upper surface of the support ring to seal the upper and lower ends of the filter element.

Further, the lower surface of the connecting ring and the upper surface of the limiting chassis are provided with limiting rings, the inner arc surfaces of the limiting rings are provided with oblique rubber rings, and the oblique rubber rings are connected with the outer side of the primary filter screen. Fit and seal the gap between the external air intake pipe and the connecting ring.

Compared with the prior art, the beneficial effects of the present utility model are: the snap-on air filter cartridge has the following advantages:

During installation, insert the external air intake pipe into the inside of the connecting ring. During the insertion process, under the action of the external air intake pipe, the oblique block is closed to the inside of the chute, and the spring shrinks. When the slot on the external intake pipe corresponds to the position of the oblique block, under the elastic force of the spring, the oblique block and the slot on the external intake pipe are clamped to complete the adjustment of the air filter cartridge. When the air filter is installed and used, the dust particles in the air are filtered out through the filter paper, primary filter, activated carbon filter, HEPA filter and nano filter in turn. When the air filter cartridge needs to be removed, turn the rotating ring, turn The rotation of the ring pulls the wire rope outwards, so that the oblique block is closed inside the chute, and the oblique block is separated from the groove on the external air intake pipe, and then the air filter cartridge is removed, just turn the ring to It can realize the disassembly of the air filter cartridge, reduce the time required for the installation and removal of the air filter cartridge, make the installation and removal process more simple and efficient, reduce the workload of workers, facilitate the cleaning and replacement of the overall device, and improve the The replacement or cleaning efficiency of the air filter cartridge.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation inside the connecting ring of the present invention;

Fig. 3 is the enlarged structural schematic diagram of the utility model A;

FIG. 4 is a schematic view of the enlarged structure at B of the present invention.

In the picture: 1 connecting ring, 2 connecting cylinder, 3 air hole, 4 limit chassis, 5 filter, 51 nano filter, 52 HEPA filter, 53 activated carbon filter, 54 primary filter, 55 filter paper, 6 limit ring , 7 inclined rubber ring, 8 clamping mechanism, 81 inclined block, 82 wire rope, 83 chute, 84 spring, 85 swivel, 9 limit plate, 10 support ring, 11 gasket.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Referring to FIGS. 1-4 , this embodiment provides a technical solution: a snap-on air filter cartridge, comprising a connecting ring 1 , a filter screen 5 and a snap-on mechanism 8 ;

Connection ring 1: its lower surface is provided with a connection cylinder 2, the upper end of the connection cylinder 2 is an open structure, the upper end of the connection cylinder 2 is communicated with the interior of the connection ring 1, and the outer arc surface of the connection cylinder 2 is evenly provided with air holes 3, which is convenient The filter screen 5 is installed, and the lower end of the connecting cylinder 2 is screwed to the limit chassis 4 to limit the position of the filter screen 5. The lower end of the inner arc surface of the connecting ring 1 is provided with a support ring 10, and the upper surface of the support ring 10 is provided with For the gasket 11, after the external air intake pipe is connected with the connecting ring 1, the external air intake pipe is in contact with the inclined rubber ring 7, and the inclined rubber ring 7 is deformed. to seal;

Filter 5: It is movably sleeved on the outer arc surface of the connecting cylinder 2, the upper end of the filter 5 is attached to the lower surface of the connecting ring 1, the lower end of the filter 5 is attached to the upper surface of the limit chassis 4, and the filter 5. Including nano filter screen 51, HEPA filter screen 52, activated carbon filter screen 53, primary filter screen 54 and filter paper 55, nano filter screen 51 is movably sleeved on the outer arc surface of connecting cylinder 2, and the outer arc surface of nano filter screen 51 A HEPA filter screen 52 is provided, an activated carbon filter screen 53 is provided on the outer arc surface of the HEPA filter screen 52, a primary filter screen 54 is provided on the outer arc surface of the activated carbon filter screen 53, and a filter paper 55 is provided on the outer arc surface of the primary filter screen 54 , the upper end of the nano filter 51, the HEPA filter 52, the activated carbon filter 53 and the primary filter 54 is attached to the lower surface of the connecting ring 1. The nano filter 51, the HEPA filter 52, the activated carbon filter 53 and the The lower end of the whole formed by the primary filter screen 54 is attached to the upper surface of the limit chassis 4, and the external air is filtered through the filter paper 55, the primary filter screen 54, the activated carbon filter screen 53, the HEPA filter screen 52 and the nano filter screen 51 in turn. , filter out the dust particles in the air, the lower surface of the connecting ring 1 and the upper surface of the limit chassis 4 are provided with a limit ring 6, and the inner arc surface of the limit ring 6 is provided with an oblique rubber ring 7, the oblique type The rubber rings 7 are all attached to the outer side of the primary filter screen 54, seal the upper and lower ends of the filter screen 5, and restrict the flow path of the air;

Clamping mechanism 8: set inside the connecting ring 1, the clamping mechanism 8 includes an oblique clamping block 81, a chute 83 and a spring 84, the chute 83 is annularly arranged in the middle of the inner arc surface of the connecting ring 1, and the The inside is slidably connected with an oblique block 81, and the side of the oblique block 81 away from the center of the connecting ring 1 is provided with a spring 84, and the outer ends of the spring 84 are respectively fixedly connected with the inner wall of the adjacent chute 83, and the clamping mechanism 8 It also includes a steel wire rope 82 and a swivel ring 85. The swivel ring 85 is movably sleeved on the outer arc surface of the connecting ring 1, and a wire rope is provided between the side of the oblique block 81 away from the center of the connecting ring 1 and the inner arc surface of the swivel ring 85. 82. The wire ropes 82 pass through the adjacent springs 84 and the circular holes at the outer end of the connecting ring 1 respectively. The outer arc surfaces of the connecting ring 1 are respectively symmetrically provided with limit plates 9, and the two limit plates 9 corresponding to the vertical positions are relatively inward. The sides are all fitted with the outer surface of the swivel ring 85 to limit the position of the swivel ring 85 to facilitate the use of the swivel ring 85. Insert the external air intake pipe into the interior of the connecting ring 1. During the insertion process, the external air intake pipe Under the action, a downward force is applied to the inclined surface of the inclined block 81, so that the inclined block 81 is retracted into the inside of the chute 83, and the spring 84 shrinks. When the groove on the air duct corresponds to the position of the oblique block 81, under the elastic force of the spring 84, the oblique block 81 is clamped with the groove on the external air intake pipe to complete the installation of the air filter cartridge. When the air filter cartridge needs to be removed, the swivel 85 is rotated, and the rotation of the swivel 85 pulls the wire rope 82 outward, so that the oblique block 81 is folded into the inside of the chute 83, so that the oblique block 81 and the outside enter The slot on the air pipe is separated, and then the air filter cartridge is removed, which reduces the time required for installation and removal and facilitates the use of the overall device.

The working principle of a snap-on air filter cartridge provided by the present invention is as follows: during installation, the external air intake pipe is inserted into the interior of the connecting ring 1, and during the insertion process, under the action of the external air intake pipe, the oblique type The inclined surface of the clamping block 81 exerts a downward force, so that the inclined clamping block 81 is retracted into the inside of the chute 83, and the spring 84 shrinks. When the position of the oblique block 81 corresponds, under the elastic force of the spring 84, the oblique block 81 is clamped with the groove on the external air intake pipe, and at this time, the external air intake pipe is in contact with the inclined rubber ring 7. The inclined rubber ring 7 is deformed, and the gap between the external air intake pipe and the connecting ring 1 is sealed, and the installation of the air filter cartridge is completed. After the installation is completed, the external suction equipment is started, and the external air passes through the filter paper 55 in turn. , the filtration of the primary filter 54, the activated carbon filter 53, the HEPA filter 52 and the nano filter 51, the dust particles in the air are filtered out, and then the clean air flows into the external air intake pipe through the air hole 3 and the connecting cylinder 2, When the air filter cartridge needs to be removed, the swivel 85 is rotated, and the rotation of the swivel 85 pulls the wire rope 82 outward, so that the oblique block 81 is folded into the inside of the chute 83, so that the oblique block 81 and the outside enter Separate the grooves on the air duct, and then remove the air filter cartridge.

The above are only the embodiments of the present invention, and are not intended to limit the scope of the patent of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other related The technical fields are similarly included in the scope of patent protection of the present invention.

Claims (7)

1. A buckle type air filter cylinder is characterized in that: comprises a connecting ring (1), a filter screen (5) and a clamping mechanism (8);

connecting ring (1): the lower surface of the connecting cylinder is provided with a connecting cylinder (2), the upper end of the connecting cylinder (2) is of an open structure, the upper end of the connecting cylinder (2) is communicated with the inside of the connecting ring (1), the outer arc surface of the connecting cylinder (2) is uniformly provided with air holes (3), and the lower end of the connecting cylinder (2) is in threaded connection with a limiting chassis (4);

the filter screen (5): the upper end of the filter screen (5) is attached to the lower surface of the connecting ring (1), and the lower end of the filter screen (5) is attached to the upper surface of the limiting base plate (4);

clamping mechanism (8): is arranged inside the connecting ring (1).

2. The snap-in air filter cartridge of claim 1, wherein: the filter screen (5) comprises a nano filter screen (51), a HEPA filter screen (52), an active carbon filter screen (53), a primary filter screen (54) and filter paper (55), the outer cambered surface of connecting cylinder (2) is located to nanometer filter screen (51) movable sleeve, the outer cambered surface of nanometer filter screen (51) is equipped with HEPA filter screen (52), the outer cambered surface of HEPA filter screen (52) is equipped with active carbon filter screen (53), the outer cambered surface of active carbon filter screen (53) is equipped with primary filter screen (54), the outer cambered surface of primary filter screen (54) is equipped with filter paper (55), nanometer filter screen (51), HEPA filter screen (52), active carbon filter screen (53) and primary filter screen (54) constitute holistic upper end and the lower surface laminating of go-between (1), nanometer filter screen (51), HEPA filter screen (52), the laminating of holistic lower extreme and spacing chassis (4) of active carbon filter screen (53) and primary filter screen (54) constitution.

3. The snap-in air filter cartridge of claim 1, wherein: clamping mechanism (8) include oblique type fixture block (81), spout (83) and spring (84), spout (83) annular sets up in the intrados middle part of go-between (1), and the equal sliding connection in inside of spout (83) has oblique type fixture block (81), and the side at go-between (1) center is kept away from to oblique type fixture block (81) all is equipped with spring (84), the outer end of spring (84) respectively with adjacent spout (83) inner wall fixed connection.

4. A snap-on air filter cartridge as recited in claim 3, further comprising: clamping mechanism (8) still include wire rope (82) and swivel (85), swivel (85) movable sleeve locates the extrados of go-between (1), and side and the interior cambered surface of swivel (85) at go-between (1) center are kept away from to oblique type fixture block (81) all are equipped with wire rope (82), and wire rope (82) pass the round hole of adjacent spring (84) inside and go-between (1) outer end respectively.

5. The snap-in air filter cartridge of claim 4, wherein: the outer arc surfaces of the connecting rings (1) are symmetrically provided with limiting plates (9) respectively, and the inner side surfaces, opposite to the two limiting plates (9), corresponding to the vertical positions are attached to the outer surface of the rotating ring (85).

6. The snap-in air filter cartridge of claim 1, wherein: the lower end of the inner arc surface of the connecting ring (1) is provided with a support ring (10), and the upper surface of the support ring (10) is provided with a sealing gasket (11).

7. The snap-in air filter cartridge of claim 2, wherein: the lower surface of go-between (1) and the upper surface of spacing chassis (4) all are equipped with spacing ring (6), and the intrados of spacing ring (6) all is equipped with oblique type rubber ring (7), and oblique type rubber ring (7) all laminate with the lateral surface of primary filter screen (54).

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