High-sealing corrugated fuel filter

Abstract

The utility model relates to the technical field of fuel filters, in particular to a high-sealing corrugated fuel filter which comprises a bottom cylinder and a top cover, a filter screen is fixedly connected with a filter cylinder through a clamping structure, a filter element is arranged between the filter screen and the filter cylinder, a plurality of installation grooves are evenly formed in the side surface of the bottom cylinder and the side surface of the top cover, and the installation grooves are communicated with the bottom cylinder and the top cover. And limiting structures are arranged on the inner walls of the multiple mounting grooves correspondingly, and the bottom cylinder and the top cover are clamped and fixed through the limiting structures. According to the clamping structure, fuel oil adhered to the bottom cylinder extends into the release through hole through the straight stick, the ejector block is ejected out of the clamping groove, fuel oil cannot be adhered, and operation is very convenient; according to the fuel filter, the limiting structure, the rotating block and the anti-falling block are all arranged in the mounting groove, so that the mounting space is not occupied, and the mounting of other components of an automobile is not influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel filter technical field especially relates to high sealing corrugated fuel filter. BACKGROUND

[0002] With the development of society, the car has become an indispensable means of transport in our life, the power of the car is mainly derived from fuel, however, there will be a certain amount of impurities in the fuel, if direct use, will cause the damage of the internal pipeline or parts of the car, so in use also need to filter these fuel, the car will generally be assembled filter to realize this process, protect the car.

[0003] For example, the authorized announcement number "CN214997980 U" is named a corrugated fuel filter, by setting the lever, sliding slot, push spring, sliding block, slot and block, the lever is moved, the sliding block is moved to overcome the push spring, so that the block is withdrawn from the slot, and the movement of the filter screen is no longer limited, so that the filter screen can be removed from the filter cartridge, so that the filter element is exposed, which facilitates replacement and cleaning of the filter screen, and realizes the quick disassembly function of the device.

[0004] The above and prior art has the following defects: the lever of the fuel filter is adhered with fuel in the bottom cylinder, which is inconvenient to operate; the limiting structure, mounting frame, rotating rod and connecting rod are protruded from the outer surface of the bottom cylinder, which occupies the installation space and affects the installation of other components of the automobile. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a high sealing corrugated fuel filter.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] The high sealing corrugated fuel filter is designed, which comprises a bottom cylinder and a top cover, the bottom cylinder and the top cover are fixed by screw thread connection, a sealing ring is arranged between the bottom cylinder and the top cover, a first mounting through hole is formed in the lower surface of the bottom cylinder, a check structure is arranged on the inner wall of the first mounting through hole, the inside of the bottom cylinder is sequentially provided with a filter screen, a filter element and a filter cartridge from outside to inside, the filter screen is fixedly connected with the filter cartridge through a clamping structure, the filter element is arranged between the filter screen and the filter cartridge, a second mounting through hole is formed in the surface of the top cover, an oil outlet pipe is arranged on the inner wall of the second mounting through hole, the oil outlet pipe is fixedly connected with the upper surface of the filter cartridge and communicates with the filter cartridge, a plurality of mounting grooves are uniformly formed in the side surfaces of the bottom cylinder and the top cover, a limiting structure is arranged on the inner wall of each mounting groove, and the limiting structure clamps and fixes the bottom cylinder and the top cover.

[0008] Preferably, the clamping structure comprises a plurality of insertion blocks, the plurality of insertion blocks are evenly arranged on the lower surface of the filter screen, the upper surface of the lower part of the filter cartridge is provided with a plurality of storage grooves corresponding to the insertion blocks, the insertion blocks are inserted into the storage grooves, a first mounting cavity is arranged in each of the plurality of insertion blocks, a base is arranged in the first mounting cavity, a top block is arranged on the outer surface of the base, an ejection through hole is arranged in the side inner wall of the first mounting cavity, the top block is slidably connected with the inner wall of the ejection through hole, a clamping groove is arranged on the side inner wall of the storage groove, the top block extends out of the ejection through hole and extends into the clamping groove, a release through hole is arranged on the side inner wall of the clamping groove, a limiting column is slidably connected to the upper and lower ends of the base, a first spring is arranged on the outside of the limiting column, one end of the first spring is connected with the base, and the other end of the first spring is connected with the inner wall of the first mounting cavity.

[0009] Preferably, the side inner wall of the clamping groove is arc-shaped, and the side surface of the top block close to the clamping groove is arc-shaped.

[0010] Preferably, the limiting structure comprises a rotating block, the upper end of the rotating block is provided with an anti-dropping block, an anti-dropping groove is arranged on the surface of the mounting groove, the anti-dropping groove is arranged on the top cover, a second mounting cavity is arranged in the bottom cylinder, a connecting block is arranged on the side surface of the rotating block, one end of the connecting block is slidably inserted into the second mounting cavity and rotatably connected with a first end block, a second spring is arranged on the outside of the connecting block, one end of the second spring is connected with the first end block, and the other end of the second spring is connected with the side inner wall of the second mounting cavity, and a rotating handle is arranged on the outer surface of the rotating block.

[0011] Preferably, a vertical rod is arranged on the side surface of the connecting block, the vertical rod slidably penetrates through the first end block and is provided with a second end block.

[0012] Preferably, a plurality of positioning blocks are integrally formed on the lower surface of the sealing ring, a plurality of positioning grooves are arranged on the inner wall of the top cover, the plurality of positioning blocks and the plurality of positioning grooves correspond to each other, and the positioning blocks extend into the positioning grooves.

[0013] The utility model discloses a high seal corrugated fuel filter has beneficial effect in to: when filter core damage needs to replace, first pull the rotary handle of limit structure setting, then rotate the rotary block setting, and the anti -drop piece is separated from the anti -drop groove, and then through the rotary handle rotation setting the rotary block, makes the anti -drop piece separate the top cover, then can take down the filter screen, filter core and filter drum, through the straight stick or stick member is inserted into the release through -hole, and the top piece is separated from the clamping groove, and the inserted piece is separated from the storage groove, and then the filter screen is lifted, and the filter screen and filter drum can be separated, and the filter core is exposed, and it is convenient to replace, and it is convenient to clean the filter screen. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is structure schematic view of the utility model;

[0015] Figure 2 It is structure sectional view of the utility model;

[0016] Figure 3 It is A position enlarged view of the utility model;

[0017] Figure 4 It is B position enlarged view of the utility model.

[0018] In the drawing: bottom cylinder 1, top cover 2, oil inlet cylinder 3, oil inlet hole 4, check structure 5, filter screen 6, filter core 7, filter drum 8, oil outlet pipe 9, installation groove 10, inserted piece 11, storage groove 12, first installation cavity 13, base 14, top piece 15, ejection through -hole 16, clamping groove 17, release through -hole 18, limit column 19, first spring 20, sealing ring 21, rotary block 22, anti -drop piece 23, anti -drop groove 24, second installation cavity 25, connecting block 26, first end block 27, second spring 28, vertical rod 29, second end block 30, positioning block 31, positioning groove 32. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments.

[0020] REFERENCE Figures 1-4, high sealing corrugated fuel filter, comprising bottom cylinder 1 and top cover 2, bottom cylinder 1 and top cover 2 are fixedly connected by screw thread, sealing ring 21 is arranged between bottom cylinder 1 and top cover 2, sealing ring 21 is arranged, bottom cylinder 1 and top cover 2 are sealed more tightly. The first installation through hole is arranged on the lower surface of the bottom cylinder 1, the oil inlet cylinder 3 is arranged on the inner wall of the first installation through hole, a plurality of oil inlet holes 4 are arranged on the upper surface of the oil inlet cylinder 3, the check structure 5 is arranged on the inner wall of the oil inlet cylinder 3, the filter screen 6, the filter core 7 and the filter cylinder 8 are arranged in the bottom cylinder 1 from outside to inside, the filter screen 6 is fixedly connected with the filter cylinder 8 through the clamping structure, the filter core 7 is arranged between the filter screen 6 and the filter cylinder 8, the second installation through hole is arranged on the surface of the top cover 2, the oil outlet pipe 9 is arranged on the inner wall of the second installation through hole, the oil outlet pipe 9 is fixedly connected with the upper surface of the filter cylinder 8 and communicates with each other, a plurality of installation grooves 10 are uniformly arranged on the side surface of the bottom cylinder 1 and the top cover 2, the limiting structure is arranged on the inner wall of the plurality of installation grooves 10, and the limiting structure is clamped and fixed.

[0021] The clamping structure comprises a plurality of extension blocks 11, the plurality of extension blocks 11 are uniformly arranged on the lower surface of the filter screen 6, the upper surface of the lower part of the filter cylinder 8 is provided with a plurality of storage grooves 12 corresponding to the extension blocks 11 one by one, the extension blocks 11 extend into the storage grooves 12, a first installation cavity 13 is arranged in the plurality of extension blocks 11, a base 14 is arranged in the first installation cavity 13, a top block 15 is arranged on the outer side surface of the base 14, a top-out through hole 16 is arranged on the side inner wall of the first installation cavity 13, the top block 15 is slidably connected with the inner wall of the top-out through hole 16, a clamping groove 17 is arranged on one side of the inner wall of the storage groove 12, the top block 15 extends out of the top-out through hole 16 and extends into the clamping groove 17, a release through hole 18 is arranged on one side of the inner wall of the clamping groove 17, a limiting column 19 is slidably connected with the upper and lower ends of the base 14, a first spring 20 is sleeved on the outer portion of the limiting column 19, one end of the first spring 20 is connected with the base 14, and the other end of the first spring 20 is connected with the inner wall of the first installation cavity 13.

[0022] One side surface of the top block 15 close to the clamping groove 17 is arc-shaped, and the clamping groove 17 and the top block 15 are matched.

[0023] The limiting structure comprises a rotating block 22, the rotating block 22 is provided with an anti-dropping block 23 on the upper end, the surface of the installation groove 10 is provided with an anti-dropping groove 24, the anti-dropping groove 24 is arranged on the top cover 2, the inner portion of the bottom cylinder 1 is provided with a second installation cavity 25, one side surface of the rotating block 22 is provided with a connecting block 26, one end of the connecting block 26 slidably extends into the second installation cavity 25 and is rotatably connected with a first end block 27, a second spring 28 is sleeved on the outer portion of the connecting block 26, one end of the second spring 28 is connected with the first end block 27, and the other end of the second spring 28 is connected with one side of the inner wall of the second installation cavity 25, and the outer side surface of the rotating block 22 is provided with a rotating handle.

[0024] The one side surface of the connecting block 26 is provided with a vertical rod 29, the vertical rod 29 is slidably penetrated through the first end block 27 and is provided with a second end block 30. The first end block 27 is arranged to rotate around the vertical rod 29, and when the rotating block 22 is rotated, the spring 28 is also rotated.

[0025] The lower surface of the sealing ring 21 is integrally formed with a plurality of positioning blocks 31, the inner wall of the top cover 2 is provided with a plurality of positioning grooves 32, the plurality of positioning blocks 31 correspond to the plurality of positioning grooves 32 one by one, and the positioning blocks 31 extend into the positioning grooves 32. The positioning blocks 31 and the positioning grooves 32 are arranged to cooperate, so that the sealing ring 21 and the top cover 2 are more closely connected.

[0026] Working principle: when installing, first, install the fuel filter on the automobile at the appropriate position, then inject fuel, the fuel passes through the check structure 5, the check structure 5 is the same as the prior art, so it is not described here, the fuel then enters the inside of the bottom cylinder 1 through the oil inlet hole 4, then the fuel first passes through the filter screen 6 for preliminary filtration, and then the fuel passes through the corrugated filter element 7 for sufficient filtration, and finally the fuel enters the inside of the filter cartridge 8 through the holes on the outer wall of the filter cartridge 8, and is discharged through the oil outlet pipe 9 for subsequent use; when the filter element 7 needs to be replaced, first pull the rotating handle of the limiting structure, then rotate the rotating block 22, at this time, the second spring 28 is in a compressed state, the anti-disengagement block 23 is separated from the anti-disengagement groove 24, then the rotating block 22 is rotated by rotating the rotating handle, the anti-disengagement block 23 is separated from the top cover 2, the top cover 2 is removed by screwing the top cover 2, then the filter screen 6, the filter element 7 and the filter cartridge 8 can be removed; the straight stick or stick member is inserted into the release hole 18, the top block 15 is separated from the clamping groove 17, the extension block 11 is separated from the storage groove 12, at this time, the first spring 20 is in a compressed state due to the pushing force of the base 14, then the filter screen 6 is lifted, the filter screen 6 and the filter cartridge 8 are separated, the filter element 7 is exposed, which is convenient for replacement and cleaning.

[0027] After the maintenance is completed, each part is reassembled, the top cover 2 is screwed onto the bottom cylinder 1, the top cover 2 and the bottom cylinder 1 are reconnected, then the rotating handle is operated, the rotating block 22 is rotated, the anti-disengagement block 23 is separated from the anti-disengagement groove 24 due to the compression of the second spring 28; for the clamping structure, the top block 15 is arranged to enter the clamping groove 17 due to the elasticity of the first spring 20, the filter screen 6 and the filter cartridge 8 are connected and fixed. In summary, the clamping structure of the fuel filter, the fuel adhered to the bottom cylinder 1 is not adhered to the fuel filter, the straight stick is inserted into the release hole 18, the top block 15 is separated from the clamping groove 17, the fuel filter is convenient to operate; the limiting structure of the fuel filter, the rotating block 22 and the anti-disengagement block 23 are arranged in the mounting groove 10, which does not occupy the mounting space and does not affect the installation of other components of the automobile.

[0028] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. High-sealing corrugated fuel filter comprising a bottom cylinder (1) and a top cover (2), characterized in that, The bottom cylinder (1) and the top cover (2) are fixed by screwing, a sealing ring (21) is arranged between the bottom cylinder (1) and the top cover (2), a first mounting through hole is formed in the lower surface of the bottom cylinder (1), a oil inlet cylinder (3) is arranged on the inner wall of the first mounting through hole, a plurality of oil inlet holes (4) are formed in the upper surface of the oil inlet cylinder (3), a check structure (5) is arranged on the inner wall of the oil inlet cylinder (3), a filter screen (6), a filter core (7) and a filter cylinder (8) are sequentially arranged in the bottom cylinder (1) from outside to inside, the filter screen (6) is fixedly connected with the filter cylinder (8) through a clamping structure, the filter core (7) is arranged between the filter screen (6) and the filter cylinder (8), a second mounting through hole is formed in the surface of the top cover (2), an oil outlet pipe (9) is arranged on the inner wall of the second mounting through hole, the oil outlet pipe (9) is fixedly and communicatively connected with the upper surface of the filter cylinder (8), a plurality of mounting grooves (10) are uniformly formed in the side surfaces of the bottom cylinder (1) and the top cover (2), limit structures are arranged on the inner walls of the mounting grooves (10), and the limit structures clampingly fix the bottom cylinder (1) and the top cover (2).

2. The high seal corrugated fuel filter of claim 1 wherein, The clamping structure comprises a plurality of extension blocks (11), the extension blocks (11) are uniformly arranged on the lower surface of the filter screen (6), a plurality of storage grooves (12) corresponding to the extension blocks (11) are arranged on the upper surface of the lower part of the filter cylinder (8), the extension blocks (11) extend into the storage grooves (12), a first mounting cavity (13) is formed in each of the extension blocks (11), a base (14) is arranged in the first mounting cavity (13), a top block (15) is arranged on the outer side surface of the base (14), a top-out through hole (16) is formed in the side inner wall of the first mounting cavity (13), the top block (15) is slidably connected with the inner wall of the top-out through hole (16), a clamping groove (17) is formed in the inner wall of one side of the storage groove (12), the top block (15) extends out of the top-out through hole (16) and extends into the clamping groove (17), a release through hole (18) is formed in the inner wall of one side of the clamping groove (17), limit columns (19) are slidably connected with the upper and lower ends of the base (14), first springs (20) are arranged on the outer portions of the limit columns (19), one end of each first spring (20) is connected with the base (14), and the other end of each first spring (20) is connected with the inner wall of the first mounting cavity (13).

3. The high seal corrugated fuel filter of claim 2 wherein, The inner wall of one side of the clamping groove (17) is arc-shaped, the surface of one side of the top block (15) close to the clamping groove (17) is arc-shaped, and the clamping groove (17) is matched with the top block (15).

4. The high seal corrugated fuel filter of claim 1 wherein, The limiting structure includes a rotating block (22), the upper end of the rotating block (22) is provided with an anti-dropping block (23), the surface of the installation slot (10) is provided with an anti-dropping groove (24), the anti-dropping groove (24) is provided on the top cover (2), the inside of the bottom cylinder (1) is provided with a second installation cavity (25), one side surface of the rotating block (22) is provided with a connecting block (26), one end of the connecting block (26) is slidably inserted into the second installation cavity (25) and is rotatably connected with a first end block (27), the outside of the connecting block (26) is provided with a second spring (28), one end of the second spring (28) is connected with the first end block (27), the other end of the second spring (28) is connected with the inner wall of the second installation cavity (25), and the outside surface of the rotating block (22) is provided with a rotating handle.

5. The high seal corrugated fuel filter of claim 4 wherein, One side surface of the connecting block (26) is provided with a vertical rod (29), the vertical rod (29) is slidably penetrated through the first end block (27) and is provided with a second end block (30).

6. The high seal corrugated fuel filter of claim 1 wherein, The lower surface of the sealing ring (21) is integrally formed with a plurality of positioning blocks (31), the inner wall of the top cover (2) is provided with a plurality of positioning grooves (32), a plurality of the positioning blocks (31) and the positioning grooves (32) are one-to-one corresponding, and the positioning blocks (31) are inserted into the positioning grooves (32).

Images