CN218266140U

CN218266140U - Novel fuel filter

Info

Publication number: CN218266140U
Application number: CN202222005969.0U
Authority: CN
Inventors: 洪文艺
Original assignee: Jinjiang Hongyi Environmental Protection Technology Co ltd
Current assignee: Jinjiang Hongyi Environmental Protection Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-01-10
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a novel fuel filter, which comprises a housin, top cap and oil-out, the top of casing and the bottom interconnect of top cap, the central point at top cap top puts and is fixed with the oil-out, the inside position that is close to the bottom of oil-out is provided with the sealing member, the inside slip of sealing member is provided with the piston, the top of piston is connected with the slide bar, the outside of slide bar is coiled there is reset spring, the outside at slide bar top is provided with the spacing ring, the external fixation of spacing ring has the connecting rod, the one end and the inside interconnect of oil outlet of connecting rod. The utility model discloses when oil not flowed, the piston will move down under reset spring's effect to the oil-out that piston and sealing member cooperation made the filter is closed, thereby oil can not flow back in the filter.

Description

Novel fuel filter

Technical Field

The utility model relates to a filter technical field specifically is a novel fire oil filter.

Background

The fuel filter is connected in series on a pipeline between the fuel pump and an oil inlet of the throttle body. The fuel filter is used for removing solid impurities such as ferric oxide, dust and the like contained in fuel oil, and comprises a diesel filter, a gasoline filter and a natural gas filter, so that precision parts of a fuel system are prevented from being abraded and damaged. Mechanical abrasion is reduced, stable operation of the engine is ensured, and reliability is improved. The structure of the fuel oil burner is composed of an aluminum shell and a bracket with stainless steel therein, and the bracket is provided with a high-efficiency filter paper sheet which is in a chrysanthemum shape to increase the flow area. The electric spray filter cannot be used with a fuel filter. Since the electric spray filter often bears the fuel pressure of 200-300 KPA, the pressure resistance of the filter is generally required to be more than 500KPA, and the pressure of the fuel filter is not required to be as high as that of the fuel filter.

Nowadays, this kind of device on the market is various, can satisfy people's user demand basically, but still has certain problem, and fuel filter does not generally set up anti-return structure in the filter, leads to oil backward flow easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel fire oil cleaner in order to solve the above-mentioned background art in the proposition not set up backflow-preventing structure in the filter, lead to the problem of oil backward flow easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel fuel filter, includes casing, top cap and oil-out, the top of casing and the bottom interconnect of top cap, the central point at top cap top puts and is fixed with the oil-out, the inside position that is close to the bottom of oil-out is provided with the sealing member, the inside slip of sealing member is provided with the piston, the top of piston is connected with the slide bar, the outside dish of slide bar has reset spring, the outside at slide bar top is provided with the spacing ring, the external fixation of spacing ring has the connecting rod, the one end and the inside interconnect of oil outlet of connecting rod.

Preferably, the filter element is placed in the shell, the bottom of the shell is provided with a bottom cover, the right side of the outer portion of the bottom cover is connected with an oil inlet, and the oil inlet has an oil inlet function.

Preferably, the both sides of the inside bottom of bottom are fixed with the bracing piece, it is provided with the slider to slide on the bracing piece, the central point at slider top puts and is connected with spacing post, the inside of filter core bottom is inserted to spacing post, and spacing post carries on spacingly to the filter core.

Preferably, the bracing piece outside is coiled there is the jacking spring, the top of jacking spring and the bottom interconnect of slider, bracing piece and jacking spring are symmetrical about the central point of casing puts, and the jacking spring can make the slider drive the filter core rise to make things convenient for the filter core to take out.

Preferably, the left side of the outer portion of the shell is connected with a first clamping ring, the right side of the outer portion of the shell is provided with a second clamping ring, and the first clamping ring and the second clamping ring are connected with each other through a shaft.

Preferably, the front parts of the first clamping ring and the second clamping ring are provided with a left connecting groove and a right connecting groove, the front part of the first clamping ring is movably provided with a screw rod through a shaft, the screw rod is inserted into the connecting grooves and is screwed with a butterfly nut, and the left side of the first clamping ring is connected with a mounting plate through a connecting block.

Compared with the prior art, the beneficial effects of the utility model are that: this novel fuel filter is rational in infrastructure, has following advantage:

(1) The oil outlet, the connecting rod, the limiting ring, the sliding rod, the reset spring, the piston and the sealing piece are arranged to realize that the filter has the backflow prevention function, so that when the filter is used, oil enters the oil outlet from the bottom, the piston can be pushed away, when the oil does not flow, the piston can move downwards under the action of the reset spring, the oil outlet of the filter is closed due to the cooperation of the piston and the sealing piece, and the oil cannot flow back into the filter.

(2) Through being provided with spacing post, the bottom, the slider, bracing piece and jacking spring have realized that the filter has the effect of auto-eject filter core, thereby make things convenient for the staff to take out the filter core, make things convenient for the staff to change the filter core, therefore, during the use, through taking out the top cap from the casing, thereby the slider will remove on the jacking spring, when the slider removes, the slider makes the filter core rise, stretch out in the casing at the top of filter core, thereby the staff can conveniently take out the filter core, the effect of convenient renew cartridge.

(3) Through being provided with the mounting panel, first clamp ring, the second clamp ring, butterfly nut, screw rod and spread groove have realized device easy to assemble filter, the filter is generally safe too troublesome to the machine on, thereby influence the efficiency of changing the filter, therefore, when using, through installing the mounting panel on the machine in advance, then through putting the casing on first clamp ring, then through breaking the second clamp ring off with the fingers and thumb, make first clamp ring and second clamp ring mutually support, then through inserting the screw rod in the spread groove, then through rotating butterfly nut, make butterfly nut press on the second clamp ring, thereby conveniently fix the casing, moreover, the steam generator is simple in structure, and the steam generator is easy to popularize.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

fig. 2 is a front view of the external schematic view of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of the position B in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a limiting post; 3. an oil inlet; 4. a top cover; 5. a filter element; 6. an oil outlet; 7. a connecting rod; 8. a limiting ring; 9. a bottom cover; 10. mounting a plate; 11. a first clamp ring; 12. a second clamp ring; 13. a butterfly nut; 14. a screw; 15. connecting grooves; 16. a slider; 17. a support bar; 18. a jacking spring; 19. a slide bar; 20. a return spring; 21. a piston; 22. and a seal member.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a novel fuel filter comprises a shell 1, a top cover 4 and an oil outlet 6, wherein the top of the shell 1 is connected with the bottom of the top cover 4, the oil outlet 6 is fixed at the center of the top cover 4, the oil outlet 6 can facilitate oil to be discharged, a sealing element 22 is arranged at a position close to the bottom inside the oil outlet 6, a piston 21 is arranged inside the sealing element 22 in a sliding mode, the piston 21 can be matched with the sealing element 22, so that oil backflow is prevented, a sliding rod 19 is connected to the top of the piston 21, a return spring 20 is coiled outside the sliding rod 19, the return spring 20 can reset the piston 21, the piston 21 is matched with the sealing element 22, a limiting ring 8 is arranged outside the top of the sliding rod 19, a connecting rod 7 is fixed outside the limiting ring 8 and limits the sliding rod 19, and one end of the connecting rod 7 is connected with the inside of the oil outlet 6;

when the oil does not flow, the piston 21 moves downwards under the action of the return spring 20, so that the oil outlet 6 of the filter is closed by the cooperation of the piston 21 and the sealing piece 22, and the oil cannot flow back into the filter;

a filter element 5 is placed in the shell 1, a bottom cover 9 is arranged at the bottom of the shell 1, an oil inlet 3 is connected to the right side of the outside of the bottom cover 9, the oil inlet 3 has the function of facilitating oil inlet, supporting rods 17 are fixed to two sides of the bottom of the inside of the bottom cover 9, a sliding part 16 is arranged on each supporting rod 17 in a sliding mode, the sliding part 16 can move on each supporting rod 17, a limiting column 2 is connected to the center of the top of the sliding part 16, the limiting column 2 is inserted into the inside of the bottom of the filter element 5, the filter element 5 is limited by the limiting column 2, a jacking spring 18 is coiled outside each supporting rod 17, the jacking spring 18 enables the sliding part 16 to move, so that the filter element 5 ascends, the top of the jacking spring 18 is connected with the bottom of the sliding part 16, and the supporting rods 17 and the jacking spring 18 are symmetrical with respect to the center of the shell 1;

the top cover 4 is taken out of the shell 1, so that the sliding piece 16 can move on the jacking spring 18, when the sliding piece 16 moves, the sliding piece 16 enables the filter element 5 to ascend, and the top of the filter element 5 extends out of the shell 1, so that a worker can conveniently take out the filter element 5 and conveniently replace the filter element 5;

the left side of the outer part of the shell 1 is connected with a first clamping ring 11, the right side of the outer part of the shell 1 is provided with a second clamping ring 12, the first clamping ring 11 and the second clamping ring 12 are mutually connected through a shaft, the first clamping ring 11 and the second clamping ring 12 are mutually matched to conveniently fix the filter, the front parts of the first clamping ring 11 and the second clamping ring 12 are provided with a left connecting groove 15 and a right connecting groove 15, the front part of the first clamping ring 11 is movably provided with a screw 14 through a shaft, the screw 14 is inserted into the connecting groove 15 and screwed with a butterfly nut 13, the screw 14 and the butterfly nut 13 are mutually matched to fix the filter, and the left side of the first clamping ring 11 is connected with a mounting plate 10 through a connecting block;

the mounting plate 10 is mounted on a machine in advance, the shell 1 is placed on the first clamping ring 11, the second clamping ring 12 is pulled off, the first clamping ring 11 and the second clamping ring 12 are matched with each other, the screw 14 is inserted into the connecting groove 15, the butterfly nut 13 is pressed on the second clamping ring 12 by rotating the butterfly nut 13, and therefore the shell 1 is fixed conveniently, the structure is simple, and popularization is easy.

In the embodiment of the application, the filter cartridge is used by installing the mounting plate 10 on a machine in advance, placing the housing 1 on the first clamping ring 11, then moving the second clamping ring 12 in an snapping manner to enable the first clamping ring 11 and the second clamping ring 12 to be matched with each other, then inserting the screw 14 into the connecting groove 15, then pressing the butterfly nut 13 on the second clamping ring 12 by rotating the butterfly nut 13, so as to facilitate fixing of the housing 1, then connecting oil pipes to the oil inlet 3 and the oil outlet 6 respectively, when the filter is used, oil enters the oil outlet 6 from the bottom, the piston 21 is pushed open, when the oil does not flow, the piston 21 moves downwards under the action of the return spring 20, so that the oil outlet 6 of the filter is closed by the cooperation of the piston 21 and the sealing member 22, so that the oil does not flow back into the filter, when the filter cartridge 5 needs to be replaced, the top cover 4 is taken out of the housing 1, so that the sliding member 16 moves on the spring 18, when the sliding member 16 moves upwards, the sliding member 5 extends out of the sliding member 5, thereby facilitating a worker to lift up the filter cartridge 5, and a filter cartridge 5 can be replaced.

Claims

1. A novel fuel filter is characterized in that: including casing (1), top cap (4) and oil-out (6), the top of casing (1) and the bottom interconnect of top cap (4), the central point at top cap (4) top puts and is fixed with oil-out (6), the inside position that is close to the bottom of oil-out (6) is provided with sealing member (22), the inside slip of sealing member (22) is provided with piston (21), the top of piston (21) is connected with slide bar (19), reset spring (20) have been coiled in the outside of slide bar (19), the outside at slide bar (19) top is provided with spacing ring (8), the outside of spacing ring (8) is fixed with connecting rod (7), the one end and the oil-out (6) internal interconnect of connecting rod (7).

2. The novel fuel filter according to claim 1, wherein: the filter core (5) is placed in the shell (1), a bottom cover (9) is arranged at the bottom of the shell (1), and an oil inlet (3) is connected to the right side of the outer portion of the bottom cover (9).

3. The novel fuel filter of claim 2, wherein: the both sides of bottom (9) inside bottom are fixed with bracing piece (17), it is provided with slider (16) to slide on bracing piece (17), the central point at slider (16) top puts and is connected with spacing post (2), the inside of filter core (5) bottom is inserted in spacing post (2).

4. The novel fuel filter according to claim 3, wherein: the supporting rod (17) is externally coiled with a jacking spring (18), the top of the jacking spring (18) is connected with the bottom of the sliding part (16), and the supporting rod (17) and the jacking spring (18) are symmetrical about the center of the shell (1).

5. The novel fuel filter of claim 1, wherein: the utility model discloses a portable electronic device, including casing (1), casing (1) outside left side is connected with first clamp ring (11), casing (1) outside right side is provided with second clamp ring (12), first clamp ring (11) and second clamp ring (12) are through axle interconnect.

6. The novel fuel filter of claim 5, wherein: connecting groove (15) about first clamp ring (11) and second clamp ring (12) front portion are seted up, first clamp ring (11) front portion is provided with screw rod (14) through the axle activity, screw rod (14) are inserted in connecting groove (15) and are revolved butterfly nut (13), first clamp ring (11) left side is connected with mounting panel (10) through the connecting block.