CN219570228U - Low-temperature-resistant diesel filter - Google Patents

Abstract

The utility model relates to a low temperature resistant diesel oil filter, which comprises a fixed seat, wherein the fixed seat is fixedly connected with an inlet pipe fixing plate at the lower side of the front end, a connecting hole is formed in the center position of the fixed seat, an oil outlet pipe is arranged at the rear side of the center position of the inlet pipe fixing plate, an oil inlet pipe is arranged at the front side of the center position of the inlet pipe fixing plate, the oil outlet pipe is arranged at the rear side of the oil inlet pipe, the lower end of the inlet pipe fixing plate is fixedly connected with a sealing cover, the lower end of the sealing cover is provided with a filtering body, and a sealing ring is arranged at the outer side of the connecting position of the sealing cover and the filtering body; the filter body includes the shell, and the shell is sandwich structure, and the inside central point of shell puts and is equipped with the filter core, and the filter core upper end is equipped with the horn mouth, and the filter core lower extreme is equipped with anti briquetting, realizes holistic low temperature resistant effect through setting up the heat preservation in the shell, has set up the sealing washer at sealed lid and filter body hookup location moreover, has set up the horn mouth when guaranteeing inside heat preservation sealed effect to make whole filter effect good, factor of safety is high.

Description

Low-temperature-resistant diesel filter

Technical Field

The utility model relates to the technical field of diesel filters, in particular to a low-temperature-resistant diesel filter.

Background

The diesel filter is special diesel purifying equipment for diesel of an internal combustion engine, can filter more than 90% of mechanical impurities, colloid, asphaltene and the like in the diesel, can ensure the cleanness of the diesel to the greatest extent, and prolongs the service life of the engine; unclean diesel oil will cause abnormal abrasion of engine oil injection system and cylinder, so that engine power is reduced, oil consumption is increased rapidly, service life of generator is reduced greatly, filter is used, filtering precision and efficiency of engine using felt type filter purifier are improved greatly, service life of inlet is prolonged several times, and oil saving effect is obvious.

Patent number CN201820308167.8 discloses a diesel filter, it is through straining seat, filter core shell, filter core and exhaust apparatus, strain the seat setting in the one end of filter core shell, the filter core setting is in filter core shell, exhaust apparatus sets up between straining seat and filter core, it includes to strain the seat body to strain the seat, 2 at least oil pipe, 2 at least play oil pipe and outlet duct, it is connected with straining the seat body respectively to advance oil pipe, it includes to strain the seat pump assembly to strain the seat body, it is connected with straining the seat pump assembly to go out the oil pipe, it is in on same straight line to advance the oil pipe, it is parallel with advancing the oil pipe to go out the oil pipe, the outlet duct is connected with an oil pipe. The diesel filter can be provided with the double pipes to enter the diesel filter for fuel oil filtration, and the filtered fuel oil enters an engine of an automobile through the double pipes, so that the working efficiency of the diesel filter is improved; the gas left in the diesel filter can be taken away while the filter is carried, so that the potential threat of the diesel filter is reduced, but the filter has the following problems: firstly, the low temperature resistance effect is poor, secondly, the splash prevention effect is poor, and the safety coefficient is not high.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, the integral low temperature resistant effect is realized by arranging the heat preservation layer in the shell, the sealing ring is arranged at the connecting position of the sealing cover and the filtering body, the heat preservation sealing effect of the inside is ensured, and the horn mouth is arranged at the same time, so that the technical problems of poor filtering effect, overlarge internal and external pressure difference and potential safety hazard caused by splashing in the diesel filtering process in the prior art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the low temperature resistant diesel oil filter comprises a fixed seat, wherein the fixed seat is fixedly connected with an inlet and outlet pipe fixing plate at the lower side of the front end, a connecting hole is formed in the center position of the fixed seat, an oil outlet pipe is arranged at the rear side of the center position of the inlet and outlet pipe fixing plate, an oil inlet pipe is arranged at the front side of the center position of the inlet and outlet pipe fixing plate, the oil outlet pipe is arranged at the rear side of the oil inlet pipe, the lower end of the inlet and outlet pipe fixing plate is fixedly connected with a sealing cover, a filtering body is arranged at the lower end of the sealing cover, and a sealing ring is arranged at the outer side of the connecting position of the sealing cover and the filtering body;

the filter body, the filter body includes the shell, the shell is sandwich structure, and the inside central point of shell puts and is equipped with the filter core, the filter core upper end is equipped with the horn mouth, and the filter core lower extreme is equipped with anti briquetting, horn mouth upside cross-section is the rectangle, and the downside cross-section is trapezoidal, and the screw thread has been seted up to inside of horn mouth upside, and its upper end fixed connection sealed lid.

As one preference, the oil inlet pipe comprises an inlet pipe, the front end of the inlet pipe is cylindrical, the rear end of the inlet pipe is circular, the rear end of the inlet pipe is movably connected with a switch blanking pipe, the upper end of the switch blanking pipe is fixedly connected with a limiting block, the lower end of the switch blanking pipe is fixedly connected with a through pipe, the outer side of the through pipe is fixedly connected with a triangular stabilizing block, the lower ends of the through pipe and the triangular stabilizing block are fixedly connected with a sealing cover, the lower end of the through pipe is provided with a cavity, the cavity is arranged at the center of the lower end of the sealing cover, and the cavity is communicated with the through pipe.

As one preference, the lower end of the center of the cavity is fixedly connected with a fixed shaft, the right side of the cavity is provided with an oil inlet, the outer side of the fixed shaft is provided with a filter element, the lower end of the fixed shaft is provided with a fixed nut, the upper side of the fixed nut is provided with a gasket, and the upper side of the gasket is provided with an anti-pressing block.

As one preferable mode, the fixing nut is in threaded connection with the fixing shaft, the outer side of the filter element is wrapped with a structural rib, a circle of convex lines are arranged on the outer side of the upper end of the structural rib, and the convex lines on the upper end of the structural rib are matched with internal threads on the upper side of the horn mouth.

As one preference, the oil outlet pipe comprises an outlet pipe, the shape and structure of the outlet pipe are the same as those of the inlet pipe, the outlet pipe is movably connected with the switch oil outlet pipe, two symmetrical hole sites are formed in the switch oil outlet pipe, the lower end of the switch oil outlet pipe is connected with a sealing cover, and the sealing cover is correspondingly provided with hole sites which are communicated with the switch oil outlet pipe.

As still another preferable mode, an insulation layer is arranged inside the shell, the insulation layer is a composite silicate insulation material layer, the compression block is made of rubber, and the compression block is in contact with the inner wall of the shell.

The utility model has the beneficial effects that:

(1) According to the utility model, the oil inlet pipe is arranged, the cavity is arranged at the lower end of the oil inlet pipe, so that the splashing phenomenon caused when diesel oil enters the filtering body is effectively prevented, the filter element is damaged too quickly and has poor filtering effect due to high-speed splashing, and the horn mouth is arranged on the outer side of the filter element, so that the splashing phenomenon caused when the diesel oil entering through the oil inlet hole reaches the bottom of the filter element can be effectively prevented, and the filtering effect is better.

(2) According to the utility model, the anti-pressing block is arranged and is made of rubber, the lowest temperature of the rubber can reach 200 ℃ below zero, the anti-pressing block is contacted with the inner wall of the shell, a space exists between the anti-pressing block and the shell, when the pressure intensity in the filtering body is too small, the space between the anti-pressing block and the shell can be extruded, the effect of safe buffering is achieved, and when the pressure intensity in the inside and outside is gradually consistent, the rubber slowly returns to be original along with the rebound resilience of the rubber, the structural principle is simple, and the safety coefficient is high.

(3) The heat-insulating layer is arranged, so that the heat-insulating effect of the composite silicate material is utilized, the material is thin, the cost is saved, the pollution is avoided, the service life is long, the temperature inside the low-temperature-resistant protection filtering body is not easy to lose, the cost is saved, and the practicability is high.

In conclusion, the device has the advantages of high safety coefficient, and capability of effectively preventing the diesel oil from entering splash to cause poor filtering effect, and is particularly suitable for the technical field of diesel oil filters.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings described below are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic structural view of an oil inlet pipe in the present utility model.

FIG. 3 is a schematic diagram of the oil outlet pipe according to the present utility model.

FIG. 4 is a schematic view of the structure of the hollow cavity and the oil inlet.

Fig. 5 is a schematic view of the structure of the rib and spacer according to the present utility model.

Detailed Description

The technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1 to 5, the utility model provides a low temperature resistant diesel oil filter, which comprises a fixed seat 1, wherein the lower side of the front end of the fixed seat 1 is fixedly connected with an inlet pipe fixing plate 2, the central position of the fixed seat 1 is provided with a connecting hole 11, the rear side of the central position of the inlet pipe fixing plate 2 is provided with an oil outlet pipe 21, the front side of the central position of the inlet pipe fixing plate 2 is provided with an oil inlet pipe 22, the oil outlet pipe 21 is arranged at the rear side of the oil inlet pipe 22, the lower end of the inlet pipe fixing plate 2 is fixedly connected with a sealing cover 23, the lower end of the sealing cover 23 is provided with a filter body 3, and the outer side of the connecting position of the sealing cover 23 and the filter body 3 is provided with a sealing ring 24;

the filter body 3, the filter body 3 includes shell 31, shell 31 is sandwich structure, and the inside central point of shell 31 puts and is equipped with filter core 32, filter core 32 upper end is equipped with horn mouth 33, and the filter core 32 lower extreme is equipped with anti briquetting 34, horn mouth 33 upside cross-section is the rectangle, and the downside cross-section is trapezoidal, and the screw thread has been seted up to horn mouth 33 upside inside, and its upper end fixed connection sealed lid 23.

Further, the oil inlet pipe 22 includes an inlet pipe 221, the front end of the inlet pipe 221 is cylindrical, the rear end of the inlet pipe 221 is circular, the rear end of the inlet pipe 221 is movably connected with a switch blanking pipe 222, the upper end of the switch blanking pipe 222 is fixedly connected with a limiting block 223, the lower end of the switch blanking pipe 222 is fixedly connected with a through pipe 224, the outer side of the through pipe 224 is fixedly connected with a triangular stabilizing block 225, the lower ends of the through pipe 224 and the triangular stabilizing block 225 are fixedly connected with a sealing cover 23, a cavity 226 is arranged at the lower end of the through pipe 224, the cavity 226 is communicated with the through pipe 224, the inlet pipe 221 is movably connected with the switch blanking pipe 222, through holes are symmetrically formed in the switch blanking pipe 222, when the diesel filter is not needed to work, the hole for the inlet pipe 221 to enter diesel oil can be staggered with the through holes in the switch blanking pipe 222, the inlet pipe 221 can be effectively blocked, the opening Guan Ling is high in activity, the through pipe 224 is used for increasing the structural strength of the switch blanking pipe 222, and the triangular stabilizing block 225 is used for increasing the structural strength of the whole oil inlet pipe 22, so that the connection stability is higher;

the cavity 226 can effectively prevent the diesel oil splash that gets into, prevents that the filter core from being filtered inhomogeneous by the high-speed splash back, and the filter effect is poor.

Further, the lower end of the center position of the cavity 226 is fixedly connected with the fixed shaft 321, the right side of the cavity 226 is provided with the oil inlet 322, the outer side of the fixed shaft 321 is provided with the filter element 32, the lower end of the fixed shaft 321 is provided with the fixed nut 323, the upper side of the fixed nut 323 is provided with the gasket 324, the upper side of the gasket 324 is provided with the compression block 34, the fixed shaft 321 is used for fixing the position of the filter element 32, the fixed nut 323 is used for limiting and installing, so that the structure placement is more reasonable, the fixed nut 323 can be separated from the fixed shaft 321, when the fixed nut 323 is separated from the fixed shaft 321, the filter element 32 can be separated from the fixed shaft 321, and then replacement is performed, so that subsequent maintenance is more convenient, and the flexibility is more convenient;

and fixation nut 323 can also fix the position of anti briquetting 34, also can change anti briquetting 34, when anti briquetting 34 wearing and tearing or in the shell residue too much, only need rotate down fixation nut 323 just can carry out all breaking away from the washing to filtering the inside structure of body 3 for wash no dead angle, it is more comprehensive.

Further, fixation nut 323 is threaded connection with fixed axle 321, the parcel of filter core 32 outside has structure muscle 325, structure muscle 325 upper end outside is equipped with the round burr, and structure muscle 325 upper end burr and the inside screw thread looks adaptation of horn mouth 33 upside, the compressive capacity of filter core 32 can effectively be increased to the structure muscle 325 that the filter core 32 outside set up, place filter core 32 and take place unnecessary deformation, but also can utilize the burr threaded connection horn mouth 33 inside screw thread on the structure muscle 325, limit horn mouth 33 and filter core 32 position, can directly roll down when changing filter core 32 moreover, and is convenient and simple, the practicality is strong, structural strength is big.

Further, the oil outlet pipe 21 includes an outlet pipe 211, the shape and structure of the outlet pipe 211 are the same as those of the inlet pipe 221, the outlet pipe 211 is movably connected with a switch oil outlet pipe 212, two symmetrical holes are formed in the switch oil outlet pipe 212, the lower end of the switch oil outlet pipe 212 is fixedly connected with a sealing cover 23, the sealing cover 23 is correspondingly provided with holes to be communicated with the switch oil outlet pipe 212, the oil outlet pipe 21 is communicated with the holes on the sealing cover 23, and the oil outlet holes are formed in the sealing cover 23, so that the diesel oil passing through the filter element 32 is precipitated and then is output, the filtering effect of the filter is improved, and the space inside the shell 31 is separated through a horn mouth 33, so that the overall filtering effect is better;

and outlet pipe 211 and switch go out oil pipe 212 and also swing joint, when the efficiency of oil is gone out in the control of needs, can be through rotating outlet pipe 211 for the export of outlet pipe 211 staggers with the hole site on the switch goes out oil pipe 212, just can control the efficiency of oil, even closes out oil, makes the inside sufficient time that has of filtering body 3 to filter and deposits, ensures the filtration effect, and whole device flexibility is high, can freely adjust the efficiency of oil and oil feed, and overall factor of safety is high, and it is more even to filter.

Still further, the inside heat preservation that is equipped with of shell 31, just the heat preservation is compound silicate insulation material layer, compressive block 34 is the rubber material, and compressive block 34 contacts with shell 31 inner wall, the heat preservation will filter the inside temperature of body 3 and keep warm, can effectively be low temperature resistant, compressive block contacts with the shell inner wall moreover, there is the space between compressive block and the shell, when filtering the inside pressure of body too little, can extrude the space between compressive block and the shell, play the effect of safety buffering, in-process that internal and external pressure slowly unanimous, the rubber material slowly resumes as the former shape along with self resilience, the principle of structure is simple, factor of safety is high.

The working process comprises the following steps: firstly, diesel oil enters the cavity 226 through the oil inlet pipe 22, then enters the filter element 32 through the oil inlet hole 322 arranged on the cavity 226, enters the shell 31 through the filter element 32, and then enters the outlet pipe 211 through precipitation for oil discharge;

in addition, the horn mouth 33 that sets up not only can the threaded connection filter core 32 for filter core 32 mounting structure is stable, can also effectively prevent the splash, makes filter core 32 filter diesel oil more even, and cavity 226 can prevent effectively that diesel oil from splashing moreover, and whole diesel oil filter factor of safety is high, simple structure, flexible switch, and the filter effect is better.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "front and rear", "left and right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or component in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

Of course, in this disclosure, those skilled in the art will understand that the term "a" or "an" is to be interpreted as "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, and in another embodiment, the number of elements may be multiple, and the term "a" is not to be construed as limiting the number.

The foregoing is merely a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art under the technical teaching of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims (6)

1. The utility model provides a low temperature resistant diesel oil filter which characterized in that: comprising

The fixing seat (1), fixing seat (1) is front end downside fixed connection business turn over pipe stationary blade (2), and connecting hole (11) have been seted up to fixing seat (1) central point put, business turn over pipe stationary blade (2) central point put rear side and be equipped with out oil pipe (21), and business turn over pipe stationary blade (2) central point put front side and be equipped with into oil pipe (22), it sets up in into oil pipe (22) rear side to go out oil pipe (21), business turn over pipe stationary blade (2) lower extreme fixed connection sealed lid (23), sealed lid (23) lower extreme is equipped with and filters body (3), and sealed lid (23) are equipped with sealing washer (24) with the outside of filtering body (3) hookup location;

the filter body (3), filter body (3) includes shell (31), shell (31) are sandwich structure, and the inside central point of shell (31) puts and is equipped with filter core (32), filter core (32) upper end is equipped with horn mouth (33), and filter core (32) lower extreme is equipped with anti briquetting (34), horn mouth (33) upside cross-section is the rectangle, and the downside cross-section is trapezoidal, and the screw thread has been seted up to horn mouth (33) upside inside, and its upper end fixed connection sealed lid (23).

2. The low temperature resistant diesel oil filter according to claim 1, wherein the oil inlet pipe (22) comprises an inlet pipe (221), the front end of the inlet pipe (221) is cylindrical, the rear end of the inlet pipe is circular, the rear end of the inlet pipe (221) is movably connected with a switch blanking pipe (222), the upper end of the switch blanking pipe (222) is fixedly connected with a limiting block (223), the lower end of the switch blanking pipe (222) is fixedly connected with a through pipe (224), the outer side of the through pipe (224) is fixedly connected with a triangular stabilizing block (225), the lower ends of the through pipe (224) and the triangular stabilizing block (225) are fixedly connected with a sealing cover (23), a cavity (226) is arranged at the lower end of the through pipe (224), the cavity (226) is arranged at the center of the lower end of the sealing cover (23), and the cavity (226) is communicated with the through pipe (224).

3. The low temperature resistant diesel oil filter according to claim 2, wherein the lower end of the center of the cavity (226) is fixedly connected with a fixed shaft (321), an oil inlet (322) is formed in the right side of the cavity (226), a filter element (32) is arranged on the outer side of the fixed shaft (321), a fixing nut (323) is arranged at the lower end of the fixed shaft (321), a gasket (324) is arranged on the upper side of the fixing nut (323), and an anti-pressing block (34) is arranged on the upper side of the gasket (324).

4. A low temperature resistant diesel oil filter according to claim 3, wherein the fixing nut (323) is in threaded connection with the fixing shaft (321), the outer side of the filter element (32) is wrapped with a structural rib (325), a circle of convex line is arranged on the outer side of the upper end of the structural rib (325), and the convex line of the upper end of the structural rib (325) is matched with the internal thread on the upper side of the horn mouth (33).

5. The low-temperature-resistant diesel oil filter according to claim 1, wherein the oil outlet pipe (21) comprises an outlet pipe (211), the outlet pipe (211) is identical to the inlet pipe (221) in shape and structure, the outlet pipe (211) is movably connected with the switch oil outlet pipe (212), two symmetrical hole sites are formed in the switch oil outlet pipe (212), the lower end of the switch oil outlet pipe (212) is fixedly connected with the sealing cover (23), and the hole sites are correspondingly arranged on the sealing cover (23) and are communicated with the switch oil outlet pipe (212).

6. The low temperature resistant diesel fuel filter according to claim 1, wherein an insulation layer is provided inside the housing (31), the insulation layer is a composite silicate insulation material layer, the compression block (34) is made of rubber, and the compression block (34) is in contact with the inner wall of the housing (31).