CN219953513U - Automobile filter capable of preventing backflow - Google Patents

Abstract

The utility model provides an anti-backflow automobile filter, which relates to the technical field of automobile filters and comprises a fixing frame, wherein a rear cover is fixedly arranged on the side surface of the fixing frame, a bolt is rotationally connected to the inside of the rear cover, a filter screen is fixedly arranged in the fixing frame, a connecting frame is fixedly arranged in the rear cover, a sliding rod is connected to the inside of the connecting frame in a sliding manner, a fixing rod is fixedly arranged at one end of the sliding rod, and a spring is fixedly arranged on the lower surface of the fixing rod.

Description

Automobile filter capable of preventing backflow

Technical Field

The utility model relates to the technical field of automobile filters, in particular to an automobile filter capable of preventing backflow.

Background

The automobile filter is an accessory for filtering impurities or gas through filter paper, and the common automobile filter comprises: the oil filter, the fuel filter (gasoline filter, diesel oil filter, oil water separator, hydraulic pressure filter), the air cleaner is commonly called three filters, when the automobile engine works, if contain impurity such as dust in the inhaled air will aggravate wearing and tearing of part, so must be equipped with the air cleaner, in the in-service use, because the automobile filter can take place backward flow from filterable position when filtering to just lead to some debris to cause the jam with the position of filter screen easily, thereby influence filterable quality, reduced automobile filter's practicality, need improve.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an anti-backflow automobile filter.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a car filter that can prevent against current, includes the mount, the side fixed mounting of mount has the back lid, the inside rotation of back lid is connected with the bolt, the inside fixed mounting of mount has the filter screen, the inside fixed mounting of back lid has the link, the inside sliding connection of link has the slide bar, the one end fixed mounting of slide bar has the dead lever, the lower fixed surface of dead lever installs the spring, the one end fixed mounting of slide bar has the shutoff cover, the side fixed mounting of back lid has the seal cover.

In order to facilitate the disassembly of the rear cover, the utility model is improved in that the bolt is rotationally connected with the fixing frame, and both sides of the fixing frame are provided with sliding grooves.

In order to enable the sliding rod to automatically recover, the utility model is improved in that the fixed rod is arranged on the inner side of the rear cover, and one end of the spring is fixedly provided with the rear cover.

In order to prevent air from flowing back, the utility model is improved in that the plugging sleeve is arranged on the outer surface of the rear cover, and the plugging sleeve is in sliding connection with the sealing sleeve.

In order to facilitate cleaning of the filter screen, the utility model is improved in that a sliding block is connected in the fixing frame in a sliding way, a sliding rod is fixedly arranged on one side of the sliding block, a hairbrush is fixedly arranged on the side face of the sliding rod, and a handle is fixedly arranged on the side face of the sliding rod.

In order to clean the inside of the filter screen, the utility model is improved in that the brush is connected with the filter screen in a sliding way, and the sliding block is in a T shape.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, the connecting frame, the sliding rod, the fixed rod, the spring, the plugging sleeve and the sealing sleeve are arranged, so that the backflow prevention of the automobile filter is realized, the air in the engine is discharged without backflow from the sealing sleeve, the backflow of the automobile filter from the filtering position is avoided when the automobile filter is used for filtering, the filter screen is blocked by impurities easily, the filtering quality is not influenced, and the practicability of the automobile filter is improved.

2. According to the utility model, through arranging the sliding block, the sliding rod, the hairbrush and the handle, impurities in the filter screen can be conveniently cleaned, and the problem that some impurities cannot be cleaned due to small gaps in the filter screen is avoided, so that the working efficiency of cleaning the filter screen is improved.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of an anti-reflux automotive filter according to the present utility model;

FIG. 2 is a schematic diagram showing a rear view structure of an anti-reverse flow automobile filter according to the present utility model;

FIG. 3 is an exploded view of a back cover of an automotive filter with reverse flow prevention according to the present utility model;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 of an anti-backflow automobile filter according to the present utility model.

Legend description:

1. a fixing frame; 2. a rear cover; 3. a bolt; 4. a filter screen; 5. a connecting frame; 6. a slide bar; 7. a fixed rod; 8. a spring; 9. plugging the sleeve; 10. sealing sleeve; 11. a slide block; 12. a slide bar; 13. a brush; 14. a handle.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a car filter that can prevent against current, including mount 1, the side fixed mounting of mount 1 has back lid 2, make some impurity can remain in the inside of back lid 2, the inside rotation of back lid 2 is connected with bolt 3, make back lid 2 can be torn down from the position of mount 1, the inside fixed mounting of mount 1 has filter screen 4, make air filter, the inside fixed mounting of back lid 2 has link 5, make slide bar 6 fix, the inside sliding connection of link 5 has slide bar 6, can drive shutoff cover 9 and remove, the one end fixed mounting of slide bar 6 has dead lever 7, make the position of spring 8 can fix, the lower fixed surface of dead lever 7 has spring 8, make slide bar 6 and shutoff cover 9 can automatic recovery, the one end fixed mounting of slide bar 6 has shutoff cover 9, the side fixed mounting of back lid 2 has seal cover 10, prevent the air that the impurity from taking place to flow back, rotate between bolt 3 and mount 1 and make mount 1 can carry out the height, make slide bar 6 fix, make slide bar 11 slide and make the slide bar 7 and make the fixed cover 9 take place between the fixed cover 9 and the outside the fixed cover 9 that can take place, the outside the fixed cover 9 is fixed with the shutoff cover 2, make the fixed cover is fixed to take place, the outside the fixed cover is more after the fixed cover 9 is fixed.

Example two

Referring to fig. 1 and 3, the inside sliding connection of the fixing frame 1 is provided with a sliding block 11, so that the sliding rod 12 slides smoothly, one side of the sliding block 11 is fixedly provided with the sliding rod 12, the position of the hairbrush 13 can be fixed, the side surface of the sliding rod 12 is fixedly provided with the hairbrush 13, the position of the filter screen 4 can be cleaned, the side surface of the sliding rod 12 is fixedly provided with a handle 14, the sliding rod 12 is conveniently pulled to move, the sliding connection between the hairbrush 13 and the filter screen 4 cleans dust absorbed in the inside, the shape of the sliding block 11 is T-shaped, and the sliding block 11 is prevented from falling off.

Working principle: the rear cover 2 is fixed at the position where the sealing sleeve 10 is arranged, so that air enters the rear cover 2 from the position of the filter screen 4 when air is pumped, so that some larger impurities are isolated outside through the filtering of the filter screen 4, so that tiny impurities remain in the rear cover 2, then the air presses the position of the plugging cover, the plugging cover is driven to move by air pressure, so that the sliding rod 6 slides at the position of the connecting frame 5, the fixing rod 7 presses the position of the spring 8 to shrink, so that the filtered air enters the engine through the position of the sealing sleeve 10, some air flows back after that, the spring 8 ejects the position of the fixing rod 7, thereby make slide bar 6 slide in link 5 positions to make shutoff cover 9 slide in seal cover 10's inside, thereby make shutoff cover 9 block up the air, avoid taking place backward flow from the position of back lid 2, when filter screen 4 and the inside impurity of back lid 2 are more, can make bolt 3 roll out in the inside of back lid 2 and mount 1 through the position of rotation bolt 3, thereby take off back lid 2 from mount 1, pour out the inside impurity of back lid 2, later grasp the position of handle 14 and pull, thereby make slider 11 slide in the inside of fixed block, make slide bar 12 drive brush 13 remove, make brush 13 slide in the inside of filter screen 4, thereby make the inside debris of filter screen 4 clean, avoid filter screen 4 to adsorb more impurity and lead to the jam.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. The utility model provides a but prevent vehicle filter of backward flow, includes mount (1), its characterized in that: the side fixed mounting of mount (1) has back lid (2), the inside rotation of back lid (2) is connected with bolt (3), the inside fixed mounting of mount (1) has filter screen (4), the inside fixed mounting of back lid (2) has link (5), the inside sliding connection of link (5) has slide bar (6), the one end fixed mounting of slide bar (6) has dead lever (7), the lower fixed surface of dead lever (7) installs spring (8), the one end fixed mounting of slide bar (6) has shutoff cover (9), the side fixed mounting of back lid (2) has seal cover (10).

2. The anti-reverse flow automotive filter of claim 1, wherein: the bolt (3) is rotationally connected with the fixing frame (1), and sliding grooves are formed in two sides of the fixing frame (1).

3. The anti-reverse flow automotive filter of claim 1, wherein: the fixed rod (7) is arranged on the inner side of the rear cover (2), and one end of the spring (8) is fixedly provided with the rear cover (2).

4. The anti-reverse flow automotive filter of claim 1, wherein: the sealing sleeve (9) is arranged on the outer surface of the rear cover (2), and the sealing sleeve (9) is connected with the sealing sleeve (10) in a sliding manner.

5. The anti-reverse flow automotive filter of claim 1, wherein: the inside sliding connection of mount (1) has slider (11), one side fixed mounting of slider (11) has slide bar (12), the side fixed mounting of slide bar (12) has brush (13), the fixed mounting of the side of slide bar (12) has handle (14).

6. The anti-reverse flow automotive filter of claim 5, wherein: the hairbrush (13) is in sliding connection with the filter screen (4), and the sliding block (11) is T-shaped.