CN220101405U

CN220101405U - Low-loss type air filter

Info

Publication number: CN220101405U
Application number: CN202321348675.6U
Authority: CN
Inventors: 崔兆华; 张继伟; 李宜明
Original assignee: Wulian County Fujun Vehicle Parts Co ltd
Current assignee: Wulian County Fujun Vehicle Parts Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-11-28
Anticipated expiration: 2033-05-31

Abstract

The utility model discloses a low-loss air filter, which comprises a shell and a filter screen, wherein the middle part of the top of the shell is provided with a filter tank, the bottom of one side of the shell is provided with an exhaust pipe, both sides of the top of the interior of the shell are provided with guide rods, the outer sides of the two groups of the guide rods are sleeved with sliding plates together, the middle part of the bottom of the sliding plates is provided with a filter core, the middle part of the top of the interior of the shell is provided with an air inlet pipe communicated with the filter tank, the air inlet pipe is sleeved with the inner side of the filter core, and the bottoms of the guide rods are provided with fixed plates connected with the shell together; according to the utility model, through the mutual matching among the filter tank, the spring B, the wedge-shaped inserted rod, the guide groove, the filter screen and the slot, the device can pre-filter large particle impurities in air through the filter screen before air filtering, so that the filtering burden of the filter element is reduced, the loss speed of the filter element is reduced, the filter screen is easy and convenient to disassemble and assemble, the filter screen is convenient to disassemble and clean, and the use convenience is improved.

Description

Low-loss type air filter

Technical Field

The utility model relates to the technical field of air filters, in particular to a low-loss air filter.

Background

The filter is a device for removing particle impurities in air, a large amount of air is required to be sucked into the tricycle engine in the working process, if the air is not filtered, dust suspended in the air is sucked into the cylinder, the abrasion of the piston group and the cylinder is accelerated, and therefore, the air is required to be filtered by the air filter in order to ensure the service life of the tricycle engine;

the prior patent with the authorized bulletin number of CN210385198U discloses an air filter, which is characterized in that the air filter is fixed by arranging a connecting mechanism, a fixed rod, a slot hole, a first spring, a supporting rod, a movable block, a movable shaft, a first clamping block and a second clamping block, wherein before the air filter is inserted into the fixed rod, the acting force of the first spring enables the whole movable block to tilt upwards through the supporting rod, the second clamping block is positioned above the first clamping block, the fixed rod is inserted, the end part of the fixed rod firstly props against the first clamping block to drive the movable block to be in a horizontal position, the second clamping block is clamped into the slot hole, and a user can connect with equipment through the fixed rod with convenient movement, so that the connection and the fixation are convenient, and the fixation mode is simple;

however, the following disadvantages exist in this device:

1. when the device is used, impurities in the air are directly filtered through the filter element, the filtering burden of the filter element is larger, the filter element is easily blocked by some impurities with larger volume, so that the loss speed of the filter element is higher, and the service life is reduced;

2. when the filter is used for a period of time at one end, the filtering effect of the filter element is deteriorated when the filter element is saturated, so that the filter element needs to be cleaned or replaced frequently, but the device is difficult to remind operators after the filter element is protected, so that the filter element is difficult to clean and replace in time, and impurities are easy to enter the engine to damage the engine.

Disclosure of Invention

The present utility model is directed to a low-loss air filter, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a low consumption type air cleaner, includes shell and filter screen, the middle part at shell top is provided with the filter vat, the bottom of shell one side is provided with the blast pipe, the both sides at shell inside top are provided with the guide arm, two sets of the outside of guide arm overlap jointly and are equipped with the sliding plate, the middle part at sliding plate bottom is provided with the filter core, the middle part at shell inside top sets up the intake pipe that is linked together with the filter vat, and the air inlet tube cover with the inboard of filter core, the bottom of guide arm is provided with the fixed plate that is connected with the shell jointly, two sets of the outside cover of guide arm is equipped with spring A, one side of sliding plate bottom is provided with electric contact block B, one side at fixed plate top is provided with electric contact block A, one side at shell top is provided with the warning light;

slots are formed in two sides of the filter screen, guide grooves are formed in two sides of the inner side of the filter tank, wedge-shaped inserted bars matched with the slots are inserted into the inner sides of the guide grooves in a sliding mode, and springs B are sleeved on the outer sides of the two wedge-shaped inserted bars.

Preferably, the shape of the fixing plate is annular, and the fixing plate is matched with the filter element in a sliding connection mode, and the filter element can be limited through the fixing plate.

Preferably, positioning grooves are formed in the two ends of the inner side of the filter tank, positioning blocks matched with the positioning grooves are arranged at the two ends of the filter screen, and the filter screen is convenient to install and position.

Preferably, pull blocks are arranged on two sides of the top of the filter screen, so that an operator can conveniently take out the filter screen for cleaning or replacement.

Preferably, one side of the two groups of wedge-shaped inserted bars far away from each other is provided with a pull ring, one side of the two groups of wedge-shaped inserted bars near to each other on the outer side of the wedge-shaped inserted bars is provided with a limiting ring connected with a spring B, and the wedge-shaped inserted bars are conveniently pulled to adjust

Preferably, a sealing cover is arranged at the bottom of the shell, and the shell can be opened through the sealing cover to carry out dismounting operation on the filter element.

Compared with the prior art, the utility model has the beneficial effects that: the low-loss air cleaner;

1. through the mutual coordination among the filter tank, the spring B, the wedge-shaped inserted link, the guide groove, the filter screen and the slot, the device can pre-filter large particle impurities in the air through the filter screen before filtering the air, thereby reducing the filtering burden of the filter element, reducing the loss speed of the filter element, being convenient for disassembling and assembling the filter screen, facilitating the disassembly and cleaning of the filter screen and improving the use convenience;

2. through mutually supporting between fixed plate, electric contact block A, electric contact block B, warning light, guide arm, sliding plate and the spring A for the device is when the filter core adsorbs saturation back, and when ventilation effect reduced, because the gaseous discharge volume in the filter core diminishes, the atmospheric pressure will increase gradually, utilizes atmospheric pressure to promote the filter core to overcome spring A's elasticity and move down, makes electric contact block B and electric contact block A contact, opens the warning light automatically and reminds operating personnel, so that in time change or wash the filter core, guarantees the filter core normal use, can prevent that the engine is impaired.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is a top view of the filter tank of the present utility model;

fig. 4 is an enlarged schematic view of the structure a of fig. 2 according to the present utility model.

In the figure: 1. a housing; 2. a filter element; 3. a fixing plate; 4. an electric contact block A; 5. an electric contact block B; 6. a warning light; 7. a filter tank; 8. a guide rod; 9. a sliding plate; 10. a spring A; 11. an exhaust pipe; 12. a spring B; 13. a wedge shaped plunger; 14. a guide groove; 15. a filter screen; 16. a slot; 17. and an air inlet pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, embodiments of the present utility model are provided: the utility model provides a low consumption type air cleaner, including shell 1 and filter screen 15, the middle part at shell 1 top is provided with filter vat 7, the bottom of shell 1 one side is provided with blast pipe 11, the both sides at shell 1 inside top are provided with guide arm 8, the outside of two sets of guide arm 8 overlaps jointly and is equipped with sliding plate 9, the middle part at sliding plate 9 bottom is provided with filter core 2, the middle part at shell 1 inside top is provided with intake pipe 17 that is linked together with filter vat 7, and intake pipe 17 cover is equipped with the inboard with filter core 2, the bottom of guide arm 8 is provided with the fixed plate 3 that is connected with shell 1 jointly, the outside cover of two sets of guide arm 8 is equipped with spring A10, one side of sliding plate 9 bottom is provided with electric contact block B5, one side at fixed plate 3 top is provided with electric contact block A4, one side at shell 1 top is provided with warning light 6;

slots 16 are formed in two sides of the filter screen 15, guide grooves 14 are formed in two sides of the inner side of the filter tank 7, wedge-shaped inserting rods 13 matched with the slots 16 are inserted into the inner sides of the two groups of guide grooves 14 in a sliding mode, and springs B12 are sleeved on the outer sides of the two groups of wedge-shaped inserting rods 13.

Further, the shape of the fixing plate 3 is annular, and the fixing plate 3 is matched with the filter element 2 in a sliding connection mode, and the filter element 2 is limited by the fixing plate 3, so that the filter element 2 can be prevented from shaking randomly during air filtration.

Further, the positioning grooves are formed in the two ends of the inner side of the filter tank 7, positioning blocks matched with the positioning grooves are arranged at the two ends of the filter screen 15, so that the filter screen 15 can be conveniently installed and positioned, and when the filter screen 15 is installed, the positioning blocks at the two ends of the filter screen can be aligned with the positioning grooves in the inner side of the filter tank 7 and clamped in, so that the stability of the filter screen 15 after being installed can be improved.

Further, the two sides at the top of the filter screen 15 are provided with pull blocks, and an operator can conveniently take out the filter screen 15 from the filter tank 7 to clean or replace the filter screen.

Further, one side that keeps away from mutually of two sets of wedge inserted bars 13 is provided with the pull ring, and one side that is close to mutually in the outside of two sets of wedge inserted bars 13 is provided with the spacing ring that is connected with spring B12, conveniently pulls wedge inserted bar 13 and adjusts, when operating personnel pulls wedge inserted bar 13 through the pull ring, accessible stopper promotes spring B12 compression, utilizes spring B12 elastic restoring force to promote the stopper and makes wedge inserted bar 13 reset.

Further, a sealing cover is arranged at the bottom of the shell 1, and the shell 1 can be opened through the sealing cover to disassemble and assemble the filter element 2.

Working principle: after the device is arranged at an air inlet of a tricycle engine, air can enter from a filter tank 7, then the air can be prefiltered through a filter screen 15, dust impurities with larger volume in the air are removed, the filtering burden of a filter element 2 is lightened, after prefiltering, the air can enter the filter element 2 through the flow guide of an air inlet pipe 17, the filter element 2 is used for filtering, impurities and dust in the air are sufficiently filtered, and the filtered air can be discharged from an exhaust pipe 11;

when the filter screen 15 needs to be cleaned after the device is used for a certain time, two groups of wedge-shaped inserted rods 13 can be pulled by the pull ring, so that the two groups of wedge-shaped inserted rods 13 can be pulled out of the slots 16 against the elastic force of the springs B12, then the filter screen 15 can be pulled upwards by the pull blocks to remove the filter screen 15 for cleaning, after the filter screen 15 is cleaned, the filter screen 15 can be inserted into the positioning blocks and the positioning grooves, the filter screen 15 can be automatically clamped into the slots 16 to be fixed by utilizing the special shape effect of the wedge-shaped inserted rods 13 and the elastic force of the springs B12 when the filter screen 15 is pressed, and the assembly and disassembly convenience is improved;

after the device is used for a period of time, the ventilation effect of the filter element 2 is reduced after the filter element is saturated by adsorption, the discharge amount of air in the filter element 2 is reduced at the moment, the air pressure can push the filter element 2 to move downwards along the guide of the guide rod 8 against the elastic force of the spring A10, and when the filter element 2 drives the electric contact block B5 to move downwards to be in contact with the electric contact block A4, the warning lamp 6 can be automatically started to remind an operator of the condition of the filter element, so that the filter element can be conveniently replaced and cleaned in time, and the working state of the filter element is ensured to be stable.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected" and "connected" are to be construed broadly, and may be either a fixed connection or a removable connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims

1. The utility model provides a low consumption formula air cleaner, includes shell (1) and filter screen (15), its characterized in that: the novel filter is characterized in that a filter tank (7) is arranged in the middle of the top of the shell (1), an exhaust pipe (11) is arranged at the bottom of one side of the shell (1), guide rods (8) are arranged at two sides of the top of the inside of the shell (1), sliding plates (9) are sleeved on the outer sides of the guide rods (8) together, a filter element (2) is arranged in the middle of the bottom of the sliding plates (9), an air inlet pipe (17) communicated with the filter tank (7) is arranged in the middle of the top of the inside of the shell (1), the air inlet pipe (17) is sleeved on the inner side of the filter element (2), a fixed plate (3) connected with the shell (1) is arranged at the bottom of the guide rods (8) together, springs A (10) are sleeved on the outer sides of the guide rods (8), electric contact blocks B (5) are arranged on one side of the bottom of the sliding plates (9), electric contact blocks A (4) are arranged on one side of the top of the fixed plate (3), and a warning lamp (6) is arranged on one side of the top of the shell (1).

Slots (16) are formed in two sides of the filter screen (15), guide grooves (14) are formed in two sides of the inner side of the filter tank (7), wedge-shaped inserting rods (13) matched with the slots (16) are inserted into the inner sides of the guide grooves (14) in a sliding mode, and springs B (12) are sleeved on the outer sides of the wedge-shaped inserting rods (13).

2. A low-loss air cleaner according to claim 1, wherein: the shape of the fixing plate (3) is annular, and the fixing plate (3) is matched with the filter element (2) in a sliding connection mode.

3. A low-loss air cleaner according to claim 1, wherein: positioning grooves are formed in the two ends of the inner side of the filter tank (7), and positioning blocks matched with the positioning grooves are arranged at the two ends of the filter screen (15).

4. A low-loss air cleaner according to claim 1, wherein: pull blocks are arranged on two sides of the top of the filter screen (15).

5. A low-loss air cleaner according to claim 1, wherein: the two groups of wedge-shaped inserted bars (13) are provided with pull rings on the sides far away from each other, and limiting rings connected with the springs B (12) are arranged on the sides, close to each other, of the outer sides of the two groups of wedge-shaped inserted bars (13).

6. A low-loss air cleaner according to claim 1, wherein: the bottom of the shell (1) is provided with a sealing cover.