CN205532959U - Diesel oil rough filter - Google Patents

Abstract

The utility model discloses a diesel oil rough filter, including shell, filter element group spare, clamp plate and thread cover plate, the shell be one end opening and inside hollow structure, and the open end of the closed shell of thread cover plate, thread cover plate have oil inlet and an oil -out, and filter element group spare has upper end cover and a bottom end cover, the bottom end cover of filter element group spare with be equipped with supporting spring between the interior bottom of shell, thread cover plate with be equipped with inside seal spare between the upper end cover of filter element group spare, inside seal spare is connected for splicing with thread cover plate and upper end cover. The utility model discloses a diesel oil rough filter through increased a supporting spring inside the shell, makes between the filter core and the increasing of the space between bottom the shell to can save too much corrosion thing, prolong the live time of strainer, improve the filter effect, supporting spring has the cushioning effect simultaneously, can protect the filter core when the car vibration is perhaps jolted.

Description

Rough filter of diesel

Technical field

This utility model belongs to cleaner technical field, and specifically, it is thick that this utility model relates to a kind of diesel oil Filter.

Background technology

The effect of rough filter of diesel is to filter the impurity in the diesel fuel that automobile engine is used, it is ensured that send out Motivation atomizer normally works and fully burns, if substantial amounts of impurity is the cartridge surface of cleaner in diesel oil When blocking, diesel oil will be very poor by property, motive will be caused for shortage of oil, and then make diesel combustion not Fully, car over-emitting black exhaust, runs to get up not have strength.These impurity are mainly derived from non-mistake in diesel oil added by automobile The impurity carried secretly in the impurity filtered and diesel feeding pipe road and outer casing of diesel oil filter get rusty fallen down rust Erosion thing.These corrosion things are typically deposited between prefilter element and shell, elapse over time, this rust Erosion thing can get more and more so that coarse filter filter effect is deteriorated.

Utility model content

This utility model provides a kind of rough filter of diesel, it is therefore an objective to improve filter effect.

To achieve these goals, the technical scheme that this utility model is taked is: rough filter of diesel, including outside Shell, element kit, pressing plate and thread plate, shell is the structure of one end open and inner hollow, threaded cap The opening of plate closure, thread plate has oil-in and oil-out, element kit have upper end cover and Bottom end cover, is provided with support spring between bottom end cover and the inner bottom part of described shell of described element kit, described Be provided with inner seal liner between the upper end cover of thread plate and described element kit, inner seal liner and thread plate and Upper end cover connects for glueing joint.

The center of described thread plate is provided with the connection sleeve pipe protruded axially towards described enclosure, even The centre bore of female connector pipe is described oil-out, described inner seal liner be sheathed on connection sleeve pipe on and be connected sleeve pipe Connect for glueing joint.

Described upper end cover has the first locating slot allowing described inner seal liner embed.

Described first locating slot is circular groove.

Rough filter of diesel of the present utility model, adds one by portion in the enclosure and supports spring, make filter element Between and outer casing bottom between space strengthen, such that it is able to the corrosion thing of storing excess, extend coarse filter The use time, improve filter effect, support spring simultaneously and there is cushioning effect, at automobile vibration or Filter element can be protected when jolting.

Accompanying drawing explanation

This specification includes the following drawings, shown content respectively:

Fig. 1 is the sectional view of this utility model rough filter of diesel；

Fig. 2 is the sectional view of element kit；

Figure is labeled as:

1, outside seal；2, thread plate；21, oil-in；22, oil-out；23, sleeve pipe is connected；3、 Inner seal liner；4, element kit；41, upper end cover；42, inner central tube；43, essence filter paper core；44、 Exterior central tube；45, coarse filtration refill；46, bypass valve；47, bottom end cover；48, the first locating slot；49、 Second locating slot；5, shell；6, spring is supported.

Detailed description of the invention

Below against accompanying drawing, by the description to embodiment, detailed description of the invention of the present utility model is made into One step detailed description, it is therefore an objective to help those skilled in the art to design of the present utility model, technical side Case has more complete, accurate and deep understanding, and contributes to its enforcement.

As it is shown in figure 1, this utility model provides a kind of rough filter of diesel, including shell 5, element kit 4, Pressing plate and thread plate 2.Shell 5 is the Cylindrical housing structure of one end open and inner hollow, and shell 5 is another One end is close.The opening of thread plate 2 closure 5, pressing plate is solid with shell 5 in open end Fixed connection, thread plate 2 is fixedly connected with the pressing plate.Thread plate 2 has oil-in 21 and oil-out 22, Element kit 4 has upper end cover 41 and bottom end cover 47, and the bottom end cover 47 of element kit 4 is interior with shell 5 It is provided with support spring 6 between Di Bu, is provided with interior close between the upper end cover 41 of thread plate 2 and element kit 4 Sealing 3, inner seal liner 3 is connected for glueing joint with thread plate 2 and upper end cover 41.Support spring 6 for compression Spring, can produce elastic force, for upwards jack-up element kit 4, makes thread plate 2 be clipped in filter element group all the time Between part 4 and inner seal liner 3, and may insure that element kit 4 and thread plate 2 and inner seal liner 3 Stick together firmly, thus improve the connection reliability between thread plate 2 and element kit 4, also Just improve stability and filter effect that cleaner uses.

As it is shown in figure 1, the center of thread plate 2 is provided with axially towards the internal connection protruded of shell 5 Sleeve pipe 23, the centre bore of this connection sleeve pipe 23 is oil-out 22, and the internal face of this connection sleeve pipe 23 is provided with Female thread, for being connected with the connecting shaft on filter seat.Oil-in 21 on thread plate 2 is fuel-displaced The outside of mouth 22 has been evenly distributed multiple, and diesel oil enters in shell 5 from oil-in 21, by filter element group After the filtration of part 4, after flow out through oil-out 22.Inner seal liner 3 is the circle of both ends open, inner hollow Taper type structure, inner seal liner 3 is sheathed on connection sleeve pipe 23 and connects for glueing joint with being connected sleeve pipe 23, Inner seal liner 3 will cut off between oil-out 22 and shell 5 inner chamber, the centre bore of inner seal liner 3 and oil-out 22 connect with the inside of element kit 4, it is ensured that the fluid after filtration can flow to oil-out 22.

As depicted in figs. 1 and 2, the center of the upper end cover 41 of element kit 4 has one and allows inner seal liner The first locating slot 48 that the bigger diameter end of 3 embeds, the first locating slot 48 is circular groove, the first locating slot 48 Diameter roughly equal with the overall diameter of the bigger diameter end of inner seal liner 3, it is ensured that inner seal liner 3 position is accurate. The miner diameter end of inner seal liner 3 be connected that sleeve pipe 23 is fixing to be connected, and the miner diameter end of inner seal liner 3 interior directly Footpath be slightly less than connect sleeve pipe 23 overall diameter, inner seal liner 3 with is connected between sleeve pipe 23 be tight fit, carry High inner seal liner 3 and the connection reliability being connected between sleeve pipe 23.

As it is shown in figure 1, the center of the bottom end cover 47 of element kit 4 have one allow support spring 6 end The second locating slot 49 that portion embeds, the second locating slot 49 is circular groove, and the second locating slot 49 and first is fixed Position groove 48 is coaxial, it is ensured that support spring 6 position accurate.

As in figure 2 it is shown, as preferably, element kit 4 includes upper end cover 41, bottom end cover 47 and bypass valve 46, also include inner central tube, the smart filter paper core 43 being sheathed on inner central tube 42, be sheathed on essence filter paper Exterior central tube 44 on core 43 and the coarse filtration refill 45 being sheathed on exterior central tube 44, inner central tube 42, Exterior central tube 44, essence filter paper core 43 and coarse filtration refill 45 4 are coaxially disposed.Inner central tube 42, outer Central canal 44, essence filter paper core 43 and one end connection bonding with upper end cover 41 of coarse filtration refill 45, another Hold connection bonding with bottom end cover 47.Bypass valve 46 is arranged at the center position of bottom end cover 47, and is positioned at The inside of central canal 42.Central canal and exterior central tube 44 play a supportive role, inner central tube 42 and exterior central tube 44 is the pipe of both ends open, inner hollow, and the sidewall of inner central tube 42 and exterior central tube 44 is uniformly distributed Size is identical and is used for the aperture allowing fluid pass through, and such setting can guarantee that the filtering traffic of maximum.Essence filters Refill 43 is connect by gluing in succession with inner central tube 42, and coarse filtration refill 45 and exterior central tube 44 are by gluing Connect in succession.The filtering accuracy of essence filter paper core 43 is high, and the filtering accuracy of coarse filtration refill 45 is little, in order to reduce Impact on flow, outer layer refill uses the refill that bore is relatively large, material is thus formed thick, smart being filtered into The refill part device of one, good filtration effect.

As preferably, inner central tube 42 and exterior central tube 44 are tinplate material and make, tinplate antioxygen The property changed is strong, is possible to prevent to get rusty, corrode, and improves the service life of filter element.Upper end cover 41 and bottom end cover 47 Be nylon material to make, the quality of filter element can be alleviated, due to nylon material can again with having saved the energy, Reduce production cost.

Above in association with accompanying drawing, this utility model is exemplarily described.Obviously, this utility model is specifically real Now it is not subject to the restrictions described above.As long as have employed method of the present utility model design and technical scheme entered The improvement of the various unsubstantialities of row；Or it is the most improved, by above-mentioned design of the present utility model and technical scheme Directly apply to other occasion, all within protection domain of the present utility model.

Claims (4)

1. rough filter of diesel, including shell, element kit, pressing plate and thread plate, shell is one end open And the structure of inner hollow, the opening of thread plate closure, thread plate has oil-in and fuel-displaced Mouthful, element kit has upper end cover and bottom end cover, it is characterised in that: the bottom end cover of described element kit and institute State and between the inner bottom part of shell, be provided with support spring, the upper end cover of described thread plate and described element kit it Between be provided with inner seal liner, inner seal liner is connected for glueing joint with thread plate and upper end cover.

Rough filter of diesel the most according to claim 1, it is characterised in that: the center of described thread plate Place is provided with the connection sleeve pipe protruded axially towards described enclosure, connect the centre bore of sleeve pipe be described in go out Hydraulic fluid port, described inner seal liner is sheathed on connection sleeve pipe and connects for glueing joint with being connected sleeve pipe.

Rough filter of diesel the most according to claim 2, it is characterised in that: described upper end cover has allows institute State the first locating slot that inner seal liner embeds.

Rough filter of diesel the most according to claim 3, it is characterised in that: described first locating slot is circle Connected in star.