CN220026444U - Air filter element convenient to change - Google Patents

Abstract

The utility model relates to an air filter element convenient to replace, which belongs to the technical field of air filtration and comprises a filter element frame and a filter element, wherein the filter element is arranged in the filter element frame, one side of the filter element is slidably provided with a clamping rod, one side of the filter element frame is provided with a movable fixing frame which is clamped with the clamping rod, the other side of the filter element frame is provided with a plurality of first grooves, the other side of the filter element is provided with a plurality of second grooves, a plurality of elastic fixing pieces matched with the first grooves are arranged in the second grooves, and the upper surface of the filter element is provided with a prefilter, so that the filter element is convenient to replace by workers, the time is saved, and the working efficiency is improved.

Description

Air filter element convenient to change

Technical Field

The utility model relates to the technical field of air filtration, in particular to an air filter element convenient to replace.

Background

The air filter element is a filter, is called air filter cartridge, air filter, style etc. and is mainly used for air filtration in engineering locomotives, automobiles, agricultural locomotives, laboratories, sterile operation rooms and various precision operation rooms, but when the air filter element is used for a long time, a large amount of dust can be adsorbed on the surface of the air filter element, the purification effect is affected, the air filter element needs to be replaced regularly, the existing air filter element needs to be detached when being replaced, a large amount of time is spent, and the working efficiency is affected.

In the filter element of the air filter of the Chinese patent CN216950621U, although the filter element is matched with the top frame through two side frames, the non-woven fabric main body is effectively fixed, the fixing effect is good, the deformation of the non-woven fabric main body can be effectively avoided, the filter element is inconvenient to replace, and the working efficiency is reduced.

The person skilled in the art therefore provides an air filter which is easy to replace, solving the problems set out in the background art above.

Disclosure of Invention

The utility model provides an air filter element device convenient to replace, and aims to facilitate the replacement of a filter element by a worker, save time and improve working efficiency.

The technical scheme for solving the technical problems is as follows: the utility model provides an air filter convenient to change, includes filter core frame and filter core, the filter core sets up in the filter core frame, one side of filter core slides and is provided with the draw-in lever, one side of filter core frame be provided with the movable fixed frame of draw-in lever joint, the opposite side of filter core frame is provided with a plurality of first recesses, the filter core opposite side is equipped with a plurality of second recesses, a plurality of be equipped with in the second recess with a plurality of first recess assorted elastic fixing piece, the upper surface of filter core is provided with prefilter.

The beneficial effects of the utility model are as follows: according to the utility model, the filter element is connected with the filter element frame through the elastic component, so that a worker can conveniently take out and install the filter element when applying external force, the time is saved, the working efficiency is improved, and meanwhile, the prefilter device improves the uniformity of the flow speed of air in the process of entering the filter element.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, be provided with vertical movable groove in the fixed frame of activity, the fixed first spring that is provided with in bottom of vertical movable groove inner wall, the top of first spring is provided with the bottom of movable rod, the top of movable rod passes outside the fixed frame of activity and be provided with the handle, be provided with on the movable rod be used for with the pothook of clamping lever joint.

Further, the elastic fixing piece comprises a pull rod, one end of the pull rod is fixedly connected with the filter element, the other end of the pull rod stretches into the first groove, one end of the pull rod, which is positioned at the inner side of the second groove, is provided with a circular ring, and a second spring is arranged between the circular ring and the inner wall of the second groove.

Further, rubber sealing rings are arranged on the peripheral surfaces of the filter elements.

Further, the filter element comprises an intermediate filter layer, and activated carbon particles are arranged in the intermediate filter layer.

Further, the prefilter covers an upper surface area of the filter element that is less than the total area of the upper surface of the filter element.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the elastic member structure of the present utility model;

FIG. 3 is a schematic diagram of a prefilter device according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a filter core frame; 2. a filter element; 3. a clamping rod; 4. a first groove; 5. an elastic fixing member; 6. a movable fixed frame; 7. a vertical movable groove; 8. a first spring; 9. a movable rod; 10. a handle; 11. a clamping hook; 12. a second groove; 13. a pull rod; 14. a circular ring; 15. a second spring; 16. a prefilter device.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

Example 1

As shown in fig. 1-3, this embodiment provides an air filter convenient to change, including filter core frame 1 and filter core 2, filter core 2 sets up in filter core frame 1, one side of filter core 2 is provided with clamping rod 3, one side of filter core frame 1 slide be provided with the movable fixed frame 6 of clamping rod 3 joint, the opposite side of filter core frame 1 is provided with a plurality of first recesses 4, the filter core 2 opposite side is provided with a plurality of second recesses 12, a plurality of be equipped with in the second recess 12 with a plurality of first recess 4 assorted elastic fixture 5, the upper surface of filter core 2 is provided with prefilter 16, and the staff needs to apply decurrent external force with movable fixed frame 6 with behind the filter core frame 1 separates, again to filter core 2 exert outside pulling force and will old filter core 2 follow filter core frame 1 in the change of new and old filter core.

Preferably, in the embodiment, the vertical movable groove 7 is further disposed in the movable fixing frame 6, a first spring 8 is fixedly disposed at the bottom of the inner wall of the vertical movable groove 7, a movable rod 9 is disposed at the top of the first spring 8, the top of the movable rod 9 passes through the outside of the movable fixing frame 6 and is provided with a handle 10, a hook 11 for being in clamping connection with the clamping rod 3 is disposed on the movable rod 9, a downward force is applied to the handle 10 by a worker, so that the hook 11 is separated from the clamping rod 3, and the movable fixing frame 6 is conveniently separated from the filter element frame 1.

Preferably, in the embodiment, the filter element fixing device further comprises a pull rod 13, one end of the pull rod 13 is fixedly connected with the filter element 2, the other end of the pull rod 13 stretches into the first groove 4, a circular ring 14 is arranged at one end of the pull rod 13, which is positioned at the inner side of the second groove 12, a second spring 15 is arranged between the circular ring 14 and the inner wall of the second groove 12, when the second spring 15 is in a non-compressed state, one end of the pull rod 13 is clamped into the first groove 4, and when the filter element is specifically dismounted, the filter element 2 is pulled out outwards, so that the pull rod 13 is withdrawn from the first groove 4, and when a new filter element is put into the filter element frame 1, a hand is released, so that the pull rod 13 stretches into the first groove 4, and the installation of the new filter element is realized.

Preferably, in the embodiment, the air filter further comprises a rubber sealing ring arranged on the peripheral surface of the filter element 2, so that gaps among devices are reduced, and the tightness of the air filter element is improved.

Preferably, in an embodiment, the filter element 2 further comprises an intermediate filter layer, and activated carbon particles are arranged in the intermediate filter layer, so that harmful gases and bacteria in the air flow can be removed conveniently through filtration.

Preferably, in the embodiment, the area of the upper surface of the filter element 2 covered by the prefilter 16 is smaller than the total area of the upper surface of the filter element 2, so that air can enter the filter element 2 through the prefilter 16 or enter the filter element 2 from an uncovered part of the filter element 2, and uniformity of the flow speed of the air in the process of entering the filter element 2 is improved.

In this embodiment, during the use, firstly, apply decurrent external force to handle 10, movable rod 9 is under the effect of first spring 8 for pothook 11 separates with clamping lever 3 mutually, and then movable fixed frame 6 separates with filter core frame 1 and carries out the change to filter core 2, secondly, apply outward force to clamping lever 3, pull rod 13 pops out first recess 4 under the effect of second spring 15, accomplish the dismantlement to old filter core, finally, apply external force and put into filter core frame 1 to the butt at first recess 4 with new filter core, when the release makes pull rod 13 stretch into first recess 4, accomplish the change to filter core 2.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (6)

1. The utility model provides an air filter convenient to change, its characterized in that, includes filter core frame (1) and filter core (2), filter core (2) set up in filter core frame (1), one side of filter core (2) is provided with clamping rod (3), one side of filter core frame (1) slide be provided with movable fixed frame (6) of clamping rod (3) joint, the opposite side of filter core frame (1) is provided with a plurality of first recesses (4), filter core (2) opposite side is equipped with a plurality of second recesses (12), a plurality of be equipped with in second recess (12) with a plurality of first recess (4) assorted elastic fixing piece (5), the upper surface of filter core (2) is provided with prefilter device (16).

2. The air filter convenient to replace according to claim 1, wherein a vertical movable groove (7) is formed in the movable fixing frame (6), a first spring (8) is fixedly arranged at the bottom of the inner wall of the vertical movable groove (7), the top of the first spring (8) is provided with the bottom of a movable rod (9), the top of the movable rod (9) penetrates through the outside of the movable fixing frame (6) and is provided with a handle (10), and a clamping hook (11) used for being clamped with the clamping rod (3) is arranged on the movable rod (9).

3. An air filter element device convenient to replace according to claim 1, characterized in that the elastic fixing piece (5) comprises a pull rod (13), one end of the pull rod (13) is fixedly connected with the filter element (2), the other end of the pull rod (13) stretches into the first groove (4), one end of the pull rod (13) located inside the second groove (12) is provided with a circular ring (14), and a second spring (15) is arranged between the circular ring (14) and the inner wall of the second groove (12).

4. An air filter cartridge unit for easy replacement according to any one of claims 1 to 3, characterized in that the peripheral surface of the filter cartridge (2) is provided with a rubber sealing ring.

5. A replacement-facilitated air filter according to any one of claims 1 to 3, wherein the filter element (2) comprises an intermediate filter layer in which activated carbon particles are arranged.

6. A replacement-facilitated air filter according to any one of claims 1 to 3, wherein the prefilter (16) covers a smaller upper surface area of the filter element (2) than the total area of the upper surface of the filter element (2).