CN220159513U - Filter element structure of automobile air conditioner - Google Patents

Abstract

The utility model provides an automobile air conditioner filter element structure, which comprises a shell, an upper cover, a pre-filtering plate, a main filtering plate, a HEPA filtering plate and a buffer assembly, wherein a plurality of slots are formed in the inner surface of the shell, and the pre-filtering plate, the main filtering plate and the HEPA filtering plate are respectively positioned in the slots; the buffer assembly is arranged between the top of the upper cover and the top of the shell, the buffer assembly comprises a damper, an elastic piece, a pressing plate and a first buffer cushion, the elastic piece is sleeved on the damper, the pressing plate is fixedly connected with the elastic piece, the first buffer cushion is arranged on the lower surface of the pressing plate, the lower surface of the first buffer cushion is attached to the top of the pre-filtering plate, the main filtering plate and the HEPA filtering plate, a second buffer cushion is arranged at the bottom in the shell, and the upper surface of the second buffer cushion is attached to the bottom of the pre-filtering plate, the main filtering plate and the HEPA filtering plate. This technical scheme has better cushioning effect, avoids the vehicle to jolt and causes prefilter board, main filter and HEPA filter to lead to damaging because of frequent vibration.

Description

Filter element structure of automobile air conditioner

Technical Field

The utility model relates to the technical field of automobile air conditioner filter elements, in particular to an automobile air conditioner filter element structure.

Background

The automobile air conditioner filter element is used for filtering air in an automobile and is usually positioned in an air circulation system in the automobile, and has the main effects of filtering particulate matters, bacteria, dust, pollen and other harmful substances in the air in the automobile, and simultaneously removing peculiar smell and harmful gas in the air, thereby improving the quality of the air in the automobile and guaranteeing the health and comfort of passengers.

In the prior art, as in chinese patent CN 218687402U, an automotive air conditioner filter element with a spaced structure comprises a filter element outer frame, wherein the filter element outer frame is -shaped, a filter element assembly is arranged between the left inner side and the right inner side of the filter element outer frame, a cleaning assembly is arranged on the front surface of the filter element outer frame, and the cleaning assembly is used for cleaning the filter element assembly, so that a great amount of accumulated dust and dirt of the air conditioner filter element are avoided, and the air conditioner filter element can be reused.

In the above-mentioned patent, although this vehicle air conditioner filter core is through setting up clean subassembly for clear up filter core subassembly, make the air conditioner filter core can carry out used repeatedly, be favorable to reducing use cost, but this vehicle air conditioner filter core's buffer nature is relatively poor, in the automobile driving, causes the filter plate to lead to damaging because of the vibration when the automobile jolts, influences the filter effect easily.

Disclosure of Invention

The utility model provides an automobile air conditioner filter element structure, which aims to solve the problems that in the prior art, the buffer property of an automobile air conditioner filter element is poor, and a filter plate is easy to damage due to vibration when an automobile bumps in the running process of the automobile.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: an automotive air conditioning filter cartridge structure comprising: the novel anti-theft device comprises a shell, an upper cover, a pre-filtering plate, a main filtering plate, a HEPA filtering plate and a buffer assembly, wherein an opening communicated with the inside of the shell is formed in the bottom of the shell, a plurality of slots are formed in the inner surface of the shell, the slots are communicated with the opening, and the pre-filtering plate, the main filtering plate and the HEPA filtering plate are respectively positioned in the slots; the upper cover is rotatably connected with the top of the shell and is used for sealing the opening; the buffer assembly is arranged between the upper cover and the top of the shell and comprises a damper, an elastic piece, a pressing plate and a first buffer cushion, the top of the damper is in contact with the top in the upper cover, the elastic piece is sleeved on the damper and fixedly connected with the pressing plate, the first buffer cushion is arranged on the lower surface of the pressing plate, the lower surface of the first buffer cushion is attached to the top of the pre-filtering plate, the main filtering plate is attached to the top of the HEPA filtering plate, a second buffer cushion is arranged on the bottom in the shell, and the upper surface of the second buffer cushion is attached to the bottom of the pre-filtering plate, the main filtering plate and the HEPA filtering plate.

In one embodiment, the outer surface of the shell is fixedly connected with a connecting block, the outer surface of the upper cover is fixedly connected with a buckle, and the connecting block is clamped with the buckle.

In one embodiment, the first cushion and the second cushion are flexible rubber pads.

In one embodiment, the top of the housing is pivotally connected to the upper cover by a hinge.

In one embodiment, the elastic member is a coil spring.

In one embodiment, the number of the dampers is multiple, the dampers are arranged at intervals along the length direction of the pressing plate, the number of the elastic pieces is multiple, the elastic pieces are respectively sleeved on the dampers, and the elastic pieces are connected with the pressing plate.

In one embodiment, two sliding grooves are formed in the inner surface of the shell, a rotating shaft is connected between the inner surfaces of the two sliding grooves in a sliding mode, an electrostatic brush is arranged on the rotating shaft, and the outer surface of the electrostatic brush is attached to the outer surface of the right side of the pre-filtering plate.

In one embodiment, a pull rope is arranged at the bottom outside the shell.

In one embodiment, the automotive air conditioning filter element structure further comprises a plurality of differential pressure sensors, and the differential pressure sensors are respectively located at one sides of the slots.

In one embodiment, a notch is formed in the bottom of the shell, a buzzer is arranged in the notch, and the pressure difference sensor is electrically connected with the buzzer.

Compared with the prior art, the automobile air conditioner filter element structure has the beneficial effects that the upper cover is opened, the pre-filtering plate, the main filtering plate and the HEPA filtering plate are respectively inserted into the slots through the openings, then the upper cover is covered, the pressing plate and the first buffer pad are driven to be pressed down after the upper cover is covered down, the pre-filtering plate, the main filtering plate and the HEPA filtering plate can be firmly clamped in the shell by utilizing the arrangement of the elastic pieces and the dampers, the damper and the elastic pieces are matched with each other and the first buffer pad and the second buffer pad are matched with each other in the running process of a vehicle, a better buffering effect can be achieved, the pre-filtering plate, the main filtering plate and the HEPA filtering plate are prevented from being damaged due to frequent vibration of the vehicle, the filtering effect is effectively ensured, in addition, the pre-filtering plate, the main filtering plate and the HEPA filtering plate can be respectively extracted from the slots to be independently cleaned, and can be independently replaced according to the use condition of each layer of filtering plate, and the use cost of the air filter element can be saved.

Drawings

Fig. 1 is a perspective view of a filter element structure of an air conditioner of an automobile according to the present utility model;

fig. 2 is a bottom view showing a filter element structure of an air conditioner for an automobile according to the present utility model;

fig. 3 is a schematic diagram of an upper cover structure of a filter element structure of an air conditioner of an automobile according to the present utility model;

fig. 4 is a schematic diagram of the internal structure of a housing of an automotive air conditioner filter element structure according to the present utility model.

The meaning of the reference numerals in the drawings are:

1. a housing; 2. an upper cover; 3. a connecting block; 4. a buckle; 5. a damper; 6. an elastic member; 7. a pressing plate; 8. a first cushion pad; 9. a slot; 10. pre-filtering the plates; 11. a main filter plate; 12. HEPA filter plates; 13. a chute; 14. a rotating shaft; 15. an electrostatic brush; 16. a differential pressure sensor; 17. a pull rope; 18. a buzzer; 19. and a second cushion pad.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

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 claims, unless expressly stated or limited otherwise, a first feature "up" or "down" on a second feature may be the direct contact of the first and second features, or the indirect contact of the first and second features through 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.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 4, the present utility model provides a filter element structure of an air conditioner for an automobile, wherein a housing 1, an upper cover 2, a pre-filtering plate 10, a main filtering plate 11, a HEPA filtering plate 12 and a buffer assembly are provided, an opening communicated with the interior of the housing 1 is arranged at the bottom of the housing 1, a plurality of slots 9 are arranged on the inner surface of the housing 1, the slots 9 are communicated with the opening, and the pre-filtering plate 10, the main filtering plate 11 and the HEPA filtering plate 12 are respectively positioned in the slots 9; the upper cover 2 is rotatably connected with the top of the shell 1, and the upper cover 2 is used for sealing the opening; the buffer assembly sets up between the top of upper cover 2 and shell 1, the buffer assembly includes attenuator 5, elastic component 6, clamp plate 7 and first blotter 8, the top of attenuator 5 contacts with the top in the upper cover 2, elastic component 6 cover is established on attenuator 5, elastic component fixed connection clamp plate 7, the lower surface of clamp plate 7 is provided with first blotter 8, the lower surface of first blotter 8 is laminated with the top of prefilter 10, main filter 11 and HEPA filter 12, the bottom in the shell 1 is provided with second blotter 19, laminate with the upper surface of second blotter 19 and the bottom of prefilter 10, main filter 11 and HEPA filter 12.

Compared with the prior art, the automobile air conditioner filter element structure has the advantages that the upper cover 2 is opened, the pre-filter plate 10, the main filter plate 11 and the HEPA filter plate 12 are respectively inserted into the slots 9 through the openings, the upper cover 2 is covered, the pressing plate 7 and the first buffer cushion 8 are driven to be pressed downwards after the upper cover 2 is covered, the pre-filter plate 10, the main filter plate 11 and the HEPA filter plate 12 can be firmly clamped in the shell 1 by utilizing the arrangement of the elastic piece 6 and the damper 5, in the running process of a vehicle, the matched arrangement of the damper 5 and the elastic piece 6 and the matched arrangement of the first buffer cushion 8 and the second buffer cushion 19 can play a better buffering role, the damage of the pre-filter plate 10, the main filter plate 11 and the HEPA filter plate 12 caused by frequent vibration is avoided, the filtering effect is effectively ensured, in addition, the air in the shell 1 can only circulate through the filter plates of each layer after the upper cover 2 is opened, the pre-filter plate 10, the main filter plate 11 and the HEPA filter plate 12 can be respectively pumped out of the slots 9 through the openings, the filter plates can be independently replaced according to the conditions, and the filter element can be used independently, and the filter element can be replaced.

Referring to fig. 1, specifically, the top of the housing 1 is rotatably connected to the upper cover 2 by a hinge, so that the upper cover 2 can rotate relative to the housing 1 to open or seal the opening of the housing 1.

Referring to fig. 3, in some embodiments, a connecting block 3 is fixedly connected to an outer surface of the housing 1, a buckle 4 is fixedly connected to an outer surface of the upper cover 2, and the connecting block 3 is engaged with the buckle 4. Through the block setting of buckle 4 and connecting block 3, can be with upper cover 2 position fixing to sealed the opening betterly.

In some embodiments, the number of the dampers 5 is plural, the plural dampers 5 are equidistantly arranged along the length direction of the pressing plate 7, the number of the elastic members 6 is plural, the plural elastic members 6 are respectively sleeved on the plural dampers 5, and the plural elastic members 6 are all connected with the pressing plate 7.

Alternatively, the elastic member 6 is a coil spring.

Alternatively, both the first cushion 8 and the second cushion 19 may be flexible rubber pads.

In some embodiments, referring to fig. 4, the automotive air conditioning filter cartridge structure further includes a plurality of differential pressure sensors 16, where the plurality of differential pressure sensors 16 are located on one side of the plurality of slots 9, respectively. The pressure difference between the filter plates of each layer can be measured by the arrangement of the pressure difference sensor 16, and when the pressure difference is changed, the condition that one filter plate is blocked by impurities to influence the air permeability is required to be cleaned in time is indicated,

in some embodiments, referring to fig. 2, a slot is formed at the bottom of the housing 1, and a buzzer 18 is disposed inside the slot, and the differential pressure sensor 16 is electrically connected to the buzzer 18. Through the electric connection of the differential pressure sensor 16 and the buzzer 18, when abnormal data appear in the differential pressure sensor 16, the buzzer 18 is started to give out prompt tones, so that a user can be reminded to clean each layer of filter plates in time.

In some embodiments, a pull cord 17 is provided at the bottom outside the housing 1.

In some embodiments, two sliding grooves 13 are formed in the inner surface of the casing 1, a rotating shaft 14 is slidably connected between the inner surfaces of the two sliding grooves 13, an electrostatic brush 15 is arranged on the rotating shaft 14, and the outer surface of the electrostatic brush 15 is attached to the outer surface of the right side of the prefilter 10.

In the running process of the vehicle, please refer to fig. 4, through the arrangement that the rotating shaft 14 can slide in the chute 13 at will, jolt generated in running of the vehicle can drive the rotating shaft 14 to slide in the chute 13 at will, when the rotating shaft 14 slides, the electrostatic brush 15 can be driven to move along with the rotating, the electrostatic brush 15 can be attached to the surface of the outermost prefilter 10 to rotate, and the electrostatic brush 15 can adsorb and brush down dust attached to the surface of the prefilter 10, so that the cleaning frequency of the filter element of the air conditioner can be reduced, and the filter element cleaning device has strong practicability.

Further, the rotating shaft 14 is made of rubber rod material, and noise is not generated when the rotating shaft slides in the sliding groove 13.

Working principle: when the air filter is used, the upper cover 2 is opened, the pre-filtering plate 10, the main filtering plate 11 and the HEPA filtering plate 12 are respectively inserted into the slots 9 through the openings, the upper cover 2 is covered, after the upper cover 2 is opened, the pre-filtering plate 10, the main filtering plate 11 and the HEPA filtering plate 12 can be respectively pulled out of the slots 9 through the openings to be independently cleaned, and according to the use condition of each layer of filtering plate, the filtering plates can be independently replaced to save the use cost of the air filter.

The upper cover 2 can drive clamp plate 7 and first blotter 8 and push down after covering down, utilize setting up of elastic component 6 and attenuator 5 can be with the firm centre gripping of prefilter 10, main filter 11 and HEPA filter 12 inside shell 1, at the vehicle in-process of traveling, the cooperation setting of attenuator 5 and elastic component 6 and the cooperation setting of first blotter 8 and second blotter 19, can play better cushioning effect, avoid the vehicle to jolt and cause prefilter 10, main filter 11 and HEPA filter 12 to lead to damaging because of frequent vibration, effectively guarantee the filter effect, in addition, can play the setting of strengthening sealed through the cooperation setting of first blotter 8 and second blotter 19, make the air in the shell 1 circulate through each layer of filter plate only.

The pressure difference between the filter plates of each layer can be measured through the arrangement of the differential pressure sensor 16, when the pressure difference changes, the condition that a certain filter plate is blocked by impurities to influence the air permeability is indicated to be cleaned in time, the buzzer 18 is started to give out prompt tones when the differential pressure sensor 16 generates abnormal data through the electric connection of the differential pressure sensor 16 and the buzzer 18, and a user can be reminded to clean the filter plates of each layer in time.

Jolt generated by running of the vehicle can drive the rotating shaft 14 to slide in the sliding groove 13 at will, and when the rotating shaft 14 slides, the electrostatic brush 15 can be driven to move along, and the electrostatic brush 15 can adsorb dust attached to the surface of the prefilter 10 and brush down, so that the cleaning frequency of the air conditioner filter element can be reduced, and the air conditioner filter element cleaning device has strong practicability.

The present utility model is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical disclosure described above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above embodiments according to the technical matter of the present utility model will still fall within the scope of the technical disclosure.

Claims (10)

1. An automotive air conditioning filter element structure, comprising: the novel anti-theft device comprises a shell, an upper cover, a pre-filtering plate, a main filtering plate, a HEPA filtering plate and a buffer assembly, wherein an opening communicated with the inside of the shell is formed in the bottom of the shell, a plurality of slots are formed in the inner surface of the shell, the slots are communicated with the opening, and the pre-filtering plate, the main filtering plate and the HEPA filtering plate are respectively positioned in the slots; the upper cover is rotatably connected with the top of the shell and is used for sealing the opening; the buffer assembly is arranged between the upper cover and the top of the shell and comprises a damper, an elastic piece, a pressing plate and a first buffer cushion, the top of the damper is in contact with the top in the upper cover, the elastic piece is sleeved on the damper and fixedly connected with the pressing plate, the first buffer cushion is arranged on the lower surface of the pressing plate, the lower surface of the first buffer cushion is attached to the top of the pre-filtering plate, the main filtering plate is attached to the top of the HEPA filtering plate, a second buffer cushion is arranged on the bottom in the shell, and the upper surface of the second buffer cushion is attached to the bottom of the pre-filtering plate, the main filtering plate and the HEPA filtering plate.

2. The automotive air conditioning filter cartridge structure of claim 1, wherein: the shell is characterized in that a connecting block is fixedly connected to the outer surface of the shell, a buckle is fixedly connected to the outer surface of the upper cover, and the connecting block is clamped with the buckle.

3. The automotive air conditioning filter cartridge structure of claim 1, wherein: the first cushion pad and the second cushion pad are flexible rubber pads.

4. The automotive air conditioning filter cartridge structure of claim 1, wherein: the top of the shell is rotationally connected with the upper cover through a hinge.

5. The automotive air conditioning filter cartridge structure of claim 1, wherein: the elastic piece is a spiral spring.

6. The automotive air conditioning filter cartridge structure of claim 1, wherein: the number of the dampers is multiple, the dampers are arranged at intervals along the length direction of the pressing plate, the number of the elastic pieces is multiple, the elastic pieces are respectively sleeved on the dampers, and the elastic pieces are connected with the pressing plate.

7. The automotive air conditioning filter cartridge structure of claim 1, wherein: two sliding grooves are formed in the inner surface of the shell, a rotating shaft is connected between the inner surfaces of the two sliding grooves in a sliding mode, an electrostatic brush is arranged on the rotating shaft, and the outer surface of the electrostatic brush is attached to the outer surface of the right side of the pre-filtering plate.

8. The automotive air conditioning filter cartridge structure of claim 1, wherein: the bottom outside the shell is provided with a pull rope.

9. The automotive air conditioning filter cartridge structure of claim 1, wherein: the automobile air conditioner filter element structure further comprises a plurality of differential pressure sensors, and the differential pressure sensors are respectively positioned on one sides of the slots.

10. The automotive air conditioning filter cartridge structure of claim 9, wherein: the bottom of shell has seted up the notch, the notch is inside to be provided with bee calling organ, pressure differential sensor with bee calling organ electric connection.