CN221568681U - Filter convenient to exhaust - Google Patents

Abstract

The utility model discloses a filter convenient for exhaust, belongs to the field of filters, and solves the problem that the filtering area of a filter element is not fully utilized due to the fact that air in the existing filter cannot be discharged in real time. The electric pump comprises a shell, wherein an exhaust pipe and an electric pump are arranged in the shell, an oil outlet is further formed in the shell, one end of the exhaust pipe is communicated with an input port of the electric pump, an output port of the electric pump is communicated with the oil outlet, and one end of the exhaust pipe is further communicated with the oil outlet through an exhaust branch. The filter can discharge the gas in the filter in real time when the electric pump does not work, fully utilizes the filtering area of the filter element, and is more efficient to use.

Description

Filter convenient to exhaust

Technical Field

The present utility model relates to a filter, and more particularly, to a filter that facilitates exhaust.

Background

The long-term accumulation of air in the filter causes a problem that the filtering area is not fully utilized. Because the diesel filter is a larger cavity in the low-pressure fuel pipeline, air generated by the low-pressure fuel pipeline can be gathered in the diesel filter, the air gathering causes that part of the area of a filter element in the filter is occupied by air, only part of the area is provided with oil to pass through, and the filtering area of the filter element is not fully utilized.

The patent number is: 202121531223.2 discloses a novel exhaust structure for filter, when the filter core is wet by oily back hardly ventilative, the gas in the chamber will enter into after straining through the exhaust hole in, then through the electric pump with gas through behind the filtration chamber inhale blast pipe and outwards discharge through the oil end, make electric pump interval work realize regularly automatic exhaust simultaneously through the controller to avoid a large amount of gas gathering in the inside of filter, guaranteed the filter effect of filter core, solution filter area that can be fine uses insufficient problem.

However, when the electric pump is not in operation, fuel and gas flow from the middle of the filter to the oil outlet under the suction force of the engine oil pump, but in practice, the gas accumulated at the top of the filter is difficult to be sucked away through the fuel, that is, the amount of the gas sucked away by the engine oil pump in real time is small, and as the fuel continuously enters the filter, the gas accumulated at the top of the filter is more and more, so that the problem that the filtering area of the filter element is not fully utilized is caused, and only the next starting of the electric pump to work and exhaust can be waited, and the use is relatively low.

Therefore, there is a need to design a filter that facilitates the exhaust of air to solve the above-mentioned technical problems.

Disclosure of utility model

The utility model aims to solve the technical problems in the prior art, and aims to provide a filter convenient for exhausting, which can exhaust gas in the filter in real time when an electric pump does not work, fully utilize the filtering area of a filter element and is more efficient to use.

The technical scheme of the utility model is as follows: the utility model provides a filter convenient to exhaust, includes the shell, the shell in be equipped with blast pipe and electric pump, the shell on still be equipped with the oil-out, the one end of blast pipe and electric pump's input port intercommunication, electric pump's delivery outlet and oil-out intercommunication, the one end of blast pipe still communicates with the oil-out through an exhaust branch road.

As a further improvement, a filter element is further arranged in the shell, the filter element divides the interior of the shell into a pre-filtration cavity and a post-filtration cavity, and the other end of the exhaust pipe extends to the upper end of the post-filtration cavity.

Further, the filter element is provided with an exhaust hole, and the exhaust hole is used for communicating the pre-filter cavity with the post-filter cavity.

Further, the top of the shell is also detachably provided with a blocking cap.

Further, the shell comprises an installation seat, an upper shell and a lower shell, wherein the upper shell and the lower shell are respectively and detachably installed at two ends of the installation seat, and the filter element is installed between the upper shell and the installation seat.

Further, a positioning structure for positioning the filter element is arranged at the top of the inner wall of the upper shell.

Further, a fuel supply pipe is further arranged in the shell and is communicated with the lower end of the filtered cavity, the fuel supply pipe is communicated with the oil outlet, and a one-way valve is arranged in the fuel supply pipe.

Further, an opening is formed in the shell corresponding to one end of the fuel supply pipe, and a plug is detachably arranged on the opening.

Further, the exhaust branch comprises an exhaust branch pipe, the exhaust branch pipe is communicated with the exhaust pipe and the oil outlet, and a one-way valve is arranged in the exhaust branch pipe.

Further, the exhaust branch pipes are vertically arranged, one side of the lower part of each exhaust branch pipe is communicated with the exhaust pipe, one side of the upper part of each exhaust branch pipe is communicated with the oil outlet, and the top of each exhaust branch pipe is detachably provided with a plug.

Advantageous effects

Compared with the prior art, the utility model has the following advantages:

According to the filter disclosed by the utility model, the exhaust branch is additionally arranged to communicate the exhaust pipe with the oil outlet, so that when the electric pump does not work, fuel flows out from the oil outlet of the filter under the suction force of the engine oil delivery pump, and air accumulated at the top of the filter is also discharged from the oil outlet of the filter through the exhaust pipe and the exhaust branch, so that the air in the filter is discharged in real time, the problem that more air in the filter is accumulated is avoided, the filtering area of the filter element is fully utilized, and the filter is more efficient to use.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure shown at A in FIG. 2;

FIG. 4 is an enlarged schematic view of a cross-sectional structure of an exhaust branch in the present utility model;

FIG. 5 is an enlarged schematic view of the structure at B in FIG. 4;

FIG. 6 is an enlarged schematic view of the three-dimensional structure of the upper shell in the present utility model;

fig. 7 is an enlarged schematic view of a three-dimensional structure of a mounting seat according to the present utility model.

Wherein: 1-shell, 2-blast pipe, 3-electric pump, 4-oil-out, 5-filter core, 6-filter front chamber, 7-filter back chamber, 8-exhaust hole, 9-blocking cap, 10-mount pad, 11-upper shell, 12-lower shell, 13-location structure, 14-fuel supply pipe, 15-check valve, 16-block, 17-exhaust branch pipe.

Detailed Description

The utility model will be further described with reference to specific embodiments in the drawings.

Referring to fig. 1-7, the filter convenient for exhausting comprises a shell 1, wherein an exhaust pipe 2 and an electric pump 3 are arranged in the shell 1, the exhaust pipe 2 is vertically arranged, the electric pump 3 is transversely arranged below the exhaust pipe 2, an oil outlet 4 is further arranged on the shell 1, the oil outlet 4 is connected with an engine oil delivery pump through a pipeline, one end of the exhaust pipe 2 is communicated with an input port of the electric pump 3, an output port of the electric pump 3 is communicated with the oil outlet 4, one end of the exhaust pipe 2 is also communicated with the oil outlet 4 through an exhaust branch, and an exhaust main path formed by the exhaust branch, the exhaust pipe 2, the electric pump 3 and the oil outlet 4 is two exhaust passages which are arranged in parallel. The filter element 5 is further arranged in the shell 1, the filter element 5 divides the interior of the shell 1 into a pre-filter cavity 6 and a post-filter cavity 7, the other end of the exhaust pipe 2 extends to the upper end of the post-filter cavity 7, an oil inlet is further arranged on the shell 1, and the oil inlet is communicated with the pre-filter cavity 6. The filter element 5 is provided with an exhaust hole 8, the diameter of the exhaust hole 8 is far smaller than that of the filter element 5, the diameter is about 0.1 mm-1 mm, and the exhaust hole 8 is communicated with the pre-filter cavity 6 and the post-filter cavity 7.

According to the filter disclosed by the utility model, fuel oil enters the pre-filtering cavity 6 from the oil inlet and is filtered by the filter element 5, and the fuel oil enters the post-filtering cavity 7 to realize the filtration of the fuel oil; the gas is difficult to penetrate the filter medium wetted by the oil, most of the gas is accumulated at the top of the filter and enters the post-filter cavity 7 through the exhaust hole 8.

When the electric pump 3 works, the gas at the top of the filter cavity 7 is discharged through the exhaust pipe 2, the electric pump 3 and the oil outlet 4.

The electric pump 3 does not work, when the engine normally operates, the exhaust pipe 2 is communicated with the oil outlet 4 through adding one more exhaust branch, fuel flows out from the oil outlet 4 of the filter under the suction force of the engine oil delivery pump, air gathered at the top of the filter is also discharged from the oil outlet 4 of the filter through the exhaust pipe 2 and the exhaust branch, and when the electric pump does not work, gas in the filter can be discharged in real time, so that the problem that more air in the filter is accumulated is prevented, the filtering area of the filter element is fully utilized, and the filter is more efficient to use.

Preferably, the top of the shell 1 is also detachably provided with a blocking cap 9, and specifically, the blocking cap 9 is located right above the exhaust hole 8, the blocking cap 9 can be installed on the shell 1 in a threaded connection or bolt connection or interference fit insertion manner, so that the blocking cap 9 is convenient to detach, and the exhaust hole 8 is maintained. Further, can set up the filtering material in exhaust hole 8, can play to air filtration's effect, prevent that impurity in the air from entering into in the back chamber 7 of straining, guarantee the cleanness of fuel.

Preferably, the housing 1 comprises a mounting seat 10, an upper shell 11 and a lower shell 12, wherein the upper shell 11 and the lower shell 12 are respectively detachably mounted at two ends of the mounting seat 10, and the filter element 5 is mounted between the upper shell 11 and the mounting seat 10. Specifically, the upper shell 11, the lower shell 12 and the mounting seat 10 can be connected in a threaded connection or a bolt connection or interference fit insertion manner, so that the disassembly and assembly of the shell 1 are realized, and the maintenance of the components such as the filter element 5 is facilitated. Further, a positioning structure 13 for positioning the filter element 5 is arranged at the top of the inner wall of the upper shell 11, the positioning structure 13 is a plurality of clamping blocks distributed at the top of the inner wall of the upper shell 11, and the top of the filter element 5 is clamped in an area surrounded by the clamping blocks to prevent the filter element 5 from shifting. In other embodiments, the positioning structure 13 may be a snap ring or a clamping groove, and may be capable of radially positioning the filter element 5.

Preferably, a fuel supply pipe 14 is further arranged in the shell 1, the fuel supply pipe 14 is communicated with the lower end of the filtered cavity 7, the fuel supply pipe 14 is communicated with the oil outlet 4, when the electric pump 3 does not work, the fuel can be conveyed through the fuel supply pipe 14 and the oil outlet 4 when the engine normally operates, a one-way valve 15 is arranged in the fuel supply pipe 14, and when the electric pump 3 works, the fuel and the gas can be prevented from reversely flowing into the filtered cavity 7. Further, an opening is formed in the housing 1 corresponding to one end of the fuel supply pipe 14, that is, the fuel supply pipe 14 penetrates through the housing 1, a plug 16 is detachably arranged on the opening to prevent fuel or gas from leaking, and meanwhile, when the fuel supply pipe 14 is maintained, the plug 16 is loosened, so that the disassembly, assembly and maintenance are convenient. Specifically, the plug 16 may be installed by screwing or bolting, and may be detachably installed.

Preferably, the exhaust branch comprises an exhaust branch pipe 17, the exhaust branch pipe 17 is communicated with the exhaust pipe 2 and the oil outlet 4, the exhaust branch pipe 17 forms a closed exhaust branch pipe, gas at the top of the post-filter cavity 7 can be well discharged, and a one-way valve 15 is arranged in the exhaust branch pipe 17, so that fuel and gas can be prevented from reversely flowing into the post-filter cavity 7 when the electric pump 3 works.

Preferably, the exhaust branch pipe 17 is a pipe with a closed bottom and an open top, the exhaust branch pipe 17 is vertically arranged, so that the opening of the exhaust branch pipe 17 is upwards arranged, one side of the lower part of the exhaust branch pipe 17 is communicated with the exhaust pipe 2, specifically, a through hole is formed in one side of the exhaust branch pipe 17, the through hole is communicated with a cavity corresponding to the bottom of the exhaust pipe 2, namely, a cavity corresponding to the electric pump 3 close to the input end is communicated with the oil outlet 4, one side of the upper part of the exhaust branch pipe 17 is communicated with the oil outlet 4, a plug 16 is detachably arranged at the top of the exhaust branch pipe 17, the exhaust branch pipe 17 adopts a lateral communication mode, the plug 16 and the check valve 15 are conveniently installed, and meanwhile, the assembly, the disassembly and the maintenance are also convenient. Specifically, the plug 16 may be installed by screwing or bolting, and may be detachably installed.

While only the preferred embodiments of the present utility model have been described above, it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these do not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims (10)

1. The utility model provides a filter convenient to exhaust, includes shell (1), shell (1) in be equipped with blast pipe (2) and electric pump (3), shell (1) on still be equipped with oil-out (4), the one end of blast pipe (2) communicates with the input port of electric pump (3), the delivery outlet and the oil-out (4) of electric pump (3) communicate, its characterized in that, the one end of blast pipe (2) still communicates with oil-out (4) through an exhaust branch road.

2. The filter convenient for exhaust gas according to claim 1, wherein a filter element (5) is further arranged in the housing (1), the filter element (5) divides the interior of the housing (1) into a pre-filter cavity (6) and a post-filter cavity (7), and the other end of the exhaust pipe (2) extends to the upper end of the post-filter cavity (7).

3. A filter for facilitating air discharge according to claim 2, wherein the filter element (5) is provided with an air discharge hole (8), and the air discharge hole (8) communicates the pre-filter cavity (6) with the post-filter cavity (7).

4. A filter for facilitating air discharge according to claim 2, wherein the top of the housing (1) is further detachably provided with a blocking cap (9).

5. The filter convenient for exhaust gas according to claim 2, wherein the housing (1) comprises a mounting seat (10), an upper shell (11) and a lower shell (12), the upper shell (11) and the lower shell (12) are respectively detachably mounted at two ends of the mounting seat (10), and the filter element (5) is mounted between the upper shell (11) and the mounting seat (10).

6. A filter for facilitating exhaust gas according to claim 5, wherein a positioning structure (13) for positioning the filter element (5) is provided on the top of the inner wall of the upper case (11).

7. A filter for facilitating exhaust gas according to claim 2, characterized in that the housing (1) is further provided with a fuel supply pipe (14), the fuel supply pipe (14) is communicated with the lower end of the filtered cavity (7), the fuel supply pipe (14) is communicated with the oil outlet (4), and a one-way valve (15) is arranged in the fuel supply pipe (14).

8. A filter for facilitating exhaust gas according to claim 7, wherein the casing (1) corresponding to one end of the fuel supply pipe (14) is provided with an opening, and the opening is detachably provided with a plug (16).

9. A filter for facilitating exhaust according to any one of claims 1 to 8, wherein the exhaust branch comprises an exhaust branch pipe (17), the exhaust branch pipe (17) is communicated with the exhaust pipe (2) and the oil outlet (4), and a check valve (15) is arranged in the exhaust branch pipe (17).

10. The filter for facilitating exhaust gas according to claim 9, wherein the exhaust branch pipe (17) is vertically arranged, a lower side of the exhaust branch pipe (17) is communicated with the exhaust pipe (2), an upper side of the exhaust branch pipe (17) is communicated with the oil outlet (4), and a plug (16) is detachably arranged at the top of the exhaust branch pipe (17).