CN207945031U - A kind of diesel fuel filter - Google Patents

Abstract

A kind of diesel filter, the diesel fuel filter includes filter block, filter case, filter core and exhaust apparatus, filter block is arranged in one end of filter case, filter core is arranged in filter case, exhaust apparatus is arranged between filter block and filter core, filter block includes filter block ontology, at least 2 oil inlet pipes, at least 2 flowlines and escape pipe, oil inlet pipe, flowline are connect with filter block ontology respectively, filter block ontology includes filter block pump group part, flowline is connect with filter block pump group part, oil inlet pipe is on same straight line, and flowline is parallel with oil inlet pipe, and escape pipe is connect with flowline.Diesel fuel filter in the utility model, which two-tube can enter, carries out fuel filter in diesel fuel filter, and filtered fuel oil improves the working efficiency of diesel fuel filter by the two-tube engine for entering automobile；The gas being retained in diesel fuel filter can also be taken away while filtering, reduces the potential threat of diesel fuel filter.

Description

A kind of diesel fuel filter

Technical field

The utility model is related to diesel fuel filter fields can realize combustion in particular to a kind of diesel fuel filter Oil goes with each other all the time, and the gas in diesel fuel filter can be discharged.

Background technology

Diesel fuel filter refers to the accessory acted on by filter paper impurity screening, generally refers to engine diesel fuel filter, is The accessory of engine.Its intermediate fuel oil diesel fuel filter is combustion on the pipeline being connected between fuel pump and throttle valve body oil inlet The effect of oily diesel fuel filter is the impurity that filtering is contained in fuel oil, and the structure of fuel oil diesel fuel filter is a shell and one It is made of, is formed equipped with the high-efficient filter scraps of paper on holder, filter paper is at cosmos, to increase circulating face the holder of stainless steel in a Product.All there are various impurity in general fuel oil, for a long time using can also precipitate certain dirt, the above reason can all influence fuel tank Oil quality.The effect of diesel fuel filter is the above-mentioned impurity of filtering, and the fuel oil in fuel tank is reached by the filtering of diesel fuel filter The combustion chamber of engine, cleaning can obtain effective guarantee.

In realizing process of the present invention, inventor has found that at least there are the following problems in the prior art：When fuel oil is by fuel tank Certain gas can be brought into often by, which being entered in fuel oil diesel fuel filter through oil inlet pipe, is mixed into fuel oil, and gas cannot pass through filter Material is flocked on the top of fuel oil outer casing of diesel oil filter so that and gas can not be discharged from the flowline of fuel oil diesel fuel filter, The use of diesel fuel filter is influenced, the gas volume increase inside diesel fuel filter over time forces pasta to decline filter area It reduces, diesel fuel filter service life greatly shortens；It causes fuel feeding unsmooth, potential threat is brought to engine fuel oil system.Hair Problems of the prior art are specifically described in embodiment by a person of good sense.

Utility model content

The purpose of this utility model is to provide a kind of diesel fuel filter, two-tube enter in diesel fuel filter is fired Oil filtering, and filtered fuel oil improves the working efficiency of diesel fuel filter by the two-tube engine for entering automobile； The gas being retained in diesel fuel filter can also be taken away while filtering, reduce the potential threat of diesel fuel filter.

What the embodiments of the present invention were realized in：

A kind of diesel fuel filter, the diesel fuel filter include filter block, filter case, filter core and exhaust apparatus, filter block setting In one end of filter case, filter core is arranged in filter case, and exhaust apparatus is arranged between filter block and filter core, and filter block includes filter Seat ontology, at least 2 oil inlet pipes, at least 2 flowlines and escape pipe, oil inlet pipe, flowline are connect with filter block ontology respectively, are filtered Seat ontology includes filter block pump group part, and flowline is connect with filter block pump group part, and oil inlet pipe is on same straight line, flowline and oil inlet Manage parallel, escape pipe is connect with flowline.

In the utility model preferred embodiment, above-mentioned exhaust apparatus includes fixed cover, and first is offered in fixed cover Through-hole and the second through-hole, first through hole are arranged at the center of fixed cover, and the surrounding in first through hole, oil inlet pipe is arranged in the second through-hole Flowline and the second through-hole penetrate through.

In the utility model preferred embodiment, above-mentioned exhaust apparatus includes that the first protrusion and strainer are vented support portion Part, the first protrusion are arranged at first through hole, and strainer exhaust support member is connect with the first protrusion.

In the utility model preferred embodiment, above-mentioned filter block pump group part includes one-way valve tube, one-way valve tube with it is fuel-displaced The oil inlet end of pipe connects, and one-way valve tube runs through the first protrusion.

In the utility model preferred embodiment, above-mentioned filter core includes filter element upper cover, filter element filtering part and filter core lower cover, Filter element filtering part is arranged between filter element upper cover and filter core lower cover, and filter element upper cover includes the second protrusion and the first groove, and second is prominent It is middle siphunculus shape to rise, and the second protrusion is arranged at the center of filter element upper cover, and the first groove is embedded to be arranged in the second protrusion, first The depth of groove is less than the thickness of the second protrusion.

In the utility model preferred embodiment, above-mentioned filter element upper cover further includes connecting rod, and connecting rod includes round platform portion And tube, the inner hollow in round platform portion and tube, the side that the cross section in round platform portion is big are connect with the second protrusion, round platform portion The small side in cross section connect with tube.

In the utility model preferred embodiment, above-mentioned filter element upper cover further includes disc and excessively oily rib, excessively oily rib Item is equidistantly embedded in disc, and the radius of excessively oily rib is less than or equal to the internal diameter of filter case, and the radius of excessively oily rib is more than The radius of disc.

In the utility model preferred embodiment, above-mentioned filter element filtering part includes filtering filter paper and central tube, central tube In filtering filter paper, filtering folded filter paper is jagged cylinder at cross section, and hollow out is provided on central tube for setting.

In the utility model preferred embodiment, above-mentioned filter core lower cover includes third protrusion, and the setting of third protrusion is being filtered Core lower cover center, third protrusion are clamped with central tube.

In the utility model preferred embodiment, above-mentioned filter case includes holddown spring, and holddown spring setting is being filtered Between core lower cover and the bottom of filter case, filter case further includes bleeder plug, and bleeder plug is arranged outside the bottom of filter case Side.

The advantageous effect of the utility model embodiment is：Exhaust apparatus setting in the utility model filter block and filter core it Between, when fuel oil and gas at the top of filter case into fashionable, fuel oil enters filter core from the edge on filter core and is filtered, Then fuel oil enters the flowline of diesel fuel filter from the center of filter core and enters engine；And gas is then from the filter core of filter core Position between at the top of lid and filter case enters the discharge of diesel fuel filter filter block via exhaust component, solves the prior art The problem of middle gas is maintained in diesel fuel filter and cannot exclude；Oil inlet pipe in the utility model is provided with 2, goes out Oil pipe is provided with 2, can be entered by double oil inlet pipes and carry out fuel filter in diesel fuel filter, filtered fuel oil leads to again Cross the engine that double flowlines enter automobile；Escape pipe is connect with flowline, can be when filtered fuel oil is discharged by gas Body is discharged together, reduces in diesel fuel filter and leaves gas, to solve gas cannot be discharged in time and the diesel oil that brings Filter internal pressure problems of too.

Description of the drawings

It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the overall structure diagram of the diesel fuel filter of the utility model embodiment；

Fig. 2 is the assembling schematic diagram of the exhaust apparatus of the utility model embodiment；

Fig. 3 is the cross-sectional view of the diesel fuel filter of the utility model embodiment；

Fig. 4 is the diesel fuel filter decomposition diagram of the utility model embodiment.

Icon：100- filter blocks；200- filter cases；300- filter cores；400- exhaust apparatus；110- filter block ontologies；120- into Oil pipe；130- flowlines；140- escape pipes；410- fixed covers；411- first through hole；The second through-holes of 412-；The first protrusions of 420-； 430- strainers are vented support member；101- one-way valve tubes；310- filter element upper covers；320- filter element filtering parts；330- filter core lower covers； The second protrusions of 311-；The first grooves of 312-；313- connecting rods；314- discs；The excessively oily ribs of 315-；321- filters filter paper； 322- central tubes；331- third protrusions；210- holddown springs；220- bleeder plugs.

Specific implementation mode

It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all Belong to the range of the utility model protection.

It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.

It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter Change description, do not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area Divide description, is not understood to indicate or imply relative importance.

In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and It is that can be slightly tilted.It is not to indicate the structure if "horizontal" refers to only that its direction is more horizontal with respect to for "vertical" It has to fully horizontally, but can be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

First embodiment

It please refers to shown in attached drawing 1, is the overall structure diagram of diesel fuel filter.A kind of diesel fuel filter, the diesel fuel filter Clear device includes filter block 100, filter case 200, filter core 300 and exhaust apparatus 400, and filter block 100 is arranged the one of filter case 200 End, filter core 300 are arranged in filter case 200, and exhaust apparatus 400 is arranged between filter block 100 and filter core 300, and filter block 100 wraps Include filter block ontology 110, at least 2 oil inlet pipes 120, at least 2 flowlines 130 and escape pipe 140, oil inlet pipe 120, flowline 130 connect with filter block ontology 110 respectively, and filter block ontology 110 includes filter block pump group part, and flowline 130 is connect with filter block pump group part, Oil inlet pipe 120 is on same straight line, and flowline 130 is parallel with oil inlet pipe 120, and escape pipe 140 is connect with flowline 130.

Fuel oil and gas enter from the oil inlet pipe 120 on filter block 100, are provided with plug cock at oil inlet pipe 120, can select one 120 oil inlet of root oil inlet pipe or two 120 common oil inlets of oil inlet pipe, according to different situations control fuel flow size, fuel oil and Gas enters the region between filter block 100 and filter core 300, and gaseous mass is light, remains in 300 region of filter block 100 and filter core, Then it is entered inside filter block 100 from exhaust apparatus 400；Fuel oil quality weight, after being filtered by filter core 300, from filter core 300 Fuel oil and air are brought at flowline 130 by heart position using the filter block pump group part of filter block 100, and flowline 130 is also equipped with Plug cock, can rotate that a flowline 130 is fuel-displaced or two flowlines 130 are common fuel-displaced, and fuel oil is controlled according to different situations Uninterrupted, and flowline 130 is also associated with escape pipe 140, and the gas in fuel oil is discharged from escape pipe 140, to real Going with each other all the time for existing diesel fuel filter, improves the working efficiency of diesel fuel filter；And it can also be by the gas in diesel fuel filter Discharge, to solve gas cannot be discharged in time and the diesel fuel filter internal pressure problems of too brought.

It please refers to shown in attached drawing 2, is the assembling schematic diagram of exhaust apparatus.In the utility model preferred embodiment, on It includes fixed cover 410 to state exhaust apparatus 400, and first through hole 411 and the second through-hole 412, first through hole are offered in fixed cover 410 411 are arranged at the center of fixed cover 410, and the surrounding in first through hole 411, the oil outlet end of oil inlet pipe 120 is arranged in the second through-hole 412 It is penetrated through with the second through-hole 412.When fuel oil enters the region between fixed cover 410 and filter block 100, first through hole 411 due to Insert one-way valve tube so that fuel oil can only be flowed into 300 region of filter core from the second through-hole 412.First through hole 411 is for net Change filtered fuel oil and gas passes through, fuel oil of second through-hole 412 for non-purified filtering passes through.

It please refers to shown in attached drawing 3, is the cross-sectional view of diesel fuel filter.In the utility model preferred embodiment In, above-mentioned exhaust apparatus 400 includes the first protrusion 420 and strainer is vented support member 430, and the first protrusion 420 is arranged first At through-hole 411, strainer exhaust support member 430 is connect with the first protrusion 420.First protrusion 420 is used to support assembly strainer row Gas support member 430, strainer exhaust support member 430 for gas enter filter block 100 one-way valve tube and 300 upper cover of filter core it Between region, then gas enter in one-way valve tube, then enter flowline 130 from one-way valve tube, then from escape pipe 140 Middle discharge.

Fig. 3 is referred to, in the utility model preferred embodiment, above-mentioned filter block pump group part includes one-way valve tube 101, single It is connect to valve pipe 101 with the oil inlet end of flowline 130, one-way valve tube 101 runs through the first protrusion 420.One-way valve tube 101 can only incite somebody to action Fuel oil and gas are transported up, and cannot be transported downwards.

Refer to Fig. 3 and Fig. 4, in the utility model preferred embodiment, above-mentioned filter core 300 include filter element upper cover 310, Filter element filtering part 320 and filter core lower cover 330, filter element filtering part 320 are arranged between filter element upper cover 310 and filter core lower cover 330, filter Core upper cover 310 includes the second protrusion 311 and the first groove 312, and the second protrusion 311 is middle siphunculus shape, and the setting of the second protrusion 311 exists The center of filter element upper cover 310, in the second protrusion 311, the depth of the first groove 312 is less than the 312 embedded setting of the first groove The thickness of second protrusion 311.Filter element upper cover 310 and filter core lower cover 330 are used to support filter core 300, and fuel oil is from filter element upper cover 310 Edge is flowed into the region between filter core 300 and filter case 200, and then fuel oil enters back into inside filter core 300, enters Filter.First groove 312 is used to assemble the company of filter element upper cover 310 for assembling strainer exhaust support member 430, the second protrusion 311 Extension bar.

In the utility model preferred embodiment, above-mentioned filter element upper cover 310 further includes connecting rod 313, and connecting rod 313 is wrapped Include round platform portion and tube, the inner hollow in round platform portion and tube, the cross section in round platform portion big side and the second protrusion 311 Connection, the side that the cross section in round platform portion is small is connect with tube.Round platform portion is set at connecting rod 313, and round platform portion, which is set, to be reserved Space, so that filtered fuel oil and gas pass through.

Fig. 2 is referred to, in the utility model preferred embodiment, above-mentioned filter element upper cover 310 further includes 314 He of disc Oily rib 315 is crossed, in excessively oily 315 equidistant insertion disc 314 of rib, the radius of oil rib 315 excessively is less than or equal to outside filter core The radius of the internal diameter of shell 200, excessively oil rib 315 is more than the radius of disc 314.It crosses oily rib 315 and disc 314 is combined into The similar disk body with gear-like, the indentation, there that fuel oil is formed from excessively oily rib 315 and disc 314 run down into filter core 300 and filter Region between core housing 200.

In the utility model preferred embodiment, above-mentioned filter element filtering part 320 includes filtering filter paper 321 and central tube 322, for the setting of central tube 322 in filtering filter paper 321, it is jagged cylinder, center that filtering filter paper 321, which is folded into cross section, It is provided with hollow out on pipe 322.Central tube 322, which is used to support filtering filter paper 321, prevents the filtering filter paper 321 during oil excessively from becoming Hollow out is arranged on central tube 322 in shape, for fuel oil water conservancy diversion at connecting rod 313.

Fig. 3 is referred to, in the utility model preferred embodiment, above-mentioned filter core lower cover 330 includes third protrusion 331, The setting of third protrusion 331 is clamped in 330 center of filter core lower cover, third protrusion 331 with central tube 322.It is set at filter core lower cover 330 Third protrusion 331 is set, is clamped between third protrusion 331 and central tube 322 so that filter core 300 will not deviate, and ensure filter core 300 Stability.

Fig. 3 is referred to, in the utility model preferred embodiment, above-mentioned filter case 200 includes holddown spring 210, Holddown spring 210 is arranged between filter core lower cover 330 and the bottom of filter case 200, and filter case 200 further includes bleeder plug 220, the bottom outside in filter case 200 is arranged in bleeder plug 220.Holddown spring 210 is used to filter core 300 being pressed on filter In 300 shell of core, prevent filter core 300 from relaxing；Bleeder plug 220 by fuel oil when overhauling diesel fuel filter for releasing progress Maintenance.

In conclusion exhaust apparatus 400 in the utility model is arranged between filter block 100 and filter core 300, when fuel oil and Gas is from the top of filter case 200 into fashionable, and fuel oil enters filter core 300 from the edge on filter core 300 and is filtered, so Afterwards fuel oil from the center of filter core 300 enter diesel fuel filter flowline 130 enter engine；And gas is then from filter core 300 Filter element upper cover 310 and the top of filter case 200 between position, enter diesel fuel filter filter block 100 via exhaust component Discharge solves the problems, such as that gas is maintained in diesel fuel filter and cannot exclude in the prior art；In the utility model Oil inlet pipe 120 is provided with 2, and flowline 130 is provided with 2, can be entered by double oil inlet pipes 120 in diesel fuel filter into Row fuel filter, filtered fuel oil enter the engine of automobile by double flowlines 130 again；Escape pipe 140 and flowline 130 connections, gas can together be discharged when filtered fuel oil is discharged, and reduce in diesel fuel filter and leave gas, To solve gas cannot be discharged in time and the diesel fuel filter internal pressure problems of too brought.

Present specification describes the example of the embodiments of the present invention, it is not meant to that these embodiments illustrate and describe The be possible to form of the utility model.It should be understood that the embodiment in specification can be implemented with a variety of alternative forms.Attached drawing without It needs drawn to scale；Some features can be zoomed in or out to show the details of particular elements.Disclosed concrete structure and function are thin Section is not taken by way of limitation explanation, and those skilled in the art is only instructed to implement the representative base of the utility model in a variety of forms Plinth.It will be understood to one skilled in the art that can be with one or more with reference to multiple features that either figure illustrates and describes The feature illustrated in other attached drawings is combined to form the embodiment for not yet explicitly illustrating or describing.The assemblage characteristic offer of explanation is used for The representative embodiment of typical case.However, the multiple combinations of the feature consistent with the introduction of the utility model and modification can roots According to need be used for specific application or implementation.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of diesel fuel filter, which is characterized in that the diesel fuel filter includes filter block, filter case, filter core and exhaust dress It sets, the filter block is arranged in one end of the filter case, and the filter core is arranged in the filter case, the exhaust apparatus It is arranged between the filter block and the filter core, filter block includes filter block ontology, at least 2 oil inlet pipes, at least 2 flowlines and goes out Tracheae, the oil inlet pipe, the flowline are connect with the filter block ontology respectively, and the filter block ontology includes filter block pump group part, The flowline is connect with the filter block pump group part, and the oil inlet pipe is on same straight line, the flowline and the oil inlet Manage parallel, the escape pipe is connect with the flowline.

2. diesel fuel filter according to claim 1, which is characterized in that the exhaust apparatus includes fixed cover, described solid Surely it covers and offers first through hole and the second through-hole, the first through hole is arranged logical at the center of the fixed cover, described second The surrounding in the first through hole is arranged in hole, and the oil outlet end of the oil inlet pipe is penetrated through with second through-hole.

3. diesel fuel filter according to claim 2, which is characterized in that the exhaust apparatus includes the first protrusion and strainer It is vented support member, first protrusion is arranged at the first through hole, the strainer exhaust support member and described first Protrusion connects.

4. diesel fuel filter according to claim 2, which is characterized in that the filter block pump group part includes one-way valve tube, institute It states one-way valve tube to connect with the oil inlet end of the flowline, the one-way valve tube runs through first protrusion.

5. diesel fuel filter according to claim 1, which is characterized in that the filter core includes filter element upper cover, filter element filtering Part and filter core lower cover, the filter element filtering part are arranged between the filter element upper cover and the filter core lower cover, the filter element upper cover Including the second protrusion and the first groove, second protrusion is middle siphunculus shape, and second protrusion is arranged in the filter element upper cover Center, first groove is embedded to be arranged in second protrusion, and the depth of first groove is less than described second The thickness of protrusion.

6. diesel fuel filter according to claim 5, which is characterized in that the filter element upper cover further includes connecting rod, described Connecting rod includes round platform portion and tube, the inner hollow in the round platform portion and the tube, the cross section in the round platform portion Big side is connect with second protrusion, and the side that the cross section in the round platform portion is small is connect with the tube.

7. diesel fuel filter according to claim 1, which is characterized in that the filter element upper cover further includes disc and excessively oily Rib, the excessively oily rib are equidistantly embedded in the disc, and the radius of the excessively oily rib is less than or equal to outside the filter core The radius of the internal diameter of shell, the excessively oily rib is more than the radius of the disc.

8. diesel fuel filter according to claim 1, which is characterized in that the filter element filtering part includes filtering filter paper in Heart pipe, central tube are arranged in the filtering filter paper, and the filtering folded filter paper is jagged cylinder at cross section, described Hollow out is provided on central tube.

9. diesel fuel filter according to claim 1, which is characterized in that the filter core lower cover includes third protrusion, described The setting of third protrusion is clamped in filter core lower cover center, the third protrusion with the central tube.

10. diesel fuel filter according to claim 1, which is characterized in that the filter case includes holddown spring, described Holddown spring is arranged between the filter core lower cover and the bottom of the filter case, and the filter case further includes bleeder plug, The bottom outside in the filter case is arranged in the bleeder plug.