CN210049943U

CN210049943U - Oil filter

Info

Publication number: CN210049943U
Application number: CN201920333853.5U
Authority: CN
Inventors: 张学用
Original assignee: Hunan Zi Only Automobile Environmental Protection Co Ltd
Current assignee: Hunan Zi Only Automobile Environmental Protection Co Ltd
Priority date: 2019-03-17
Filing date: 2019-03-17
Publication date: 2020-02-11
Anticipated expiration: 2029-03-17

Abstract

The utility model discloses an oil filter, go out base, the clamp plate of passageway, establish urceolus between base and clamp plate, pass the clamp plate and establish the tube-shape filter core that link up the hole, be connected with the clamp plate including being equipped with fluid access channel and fluid and establish will the filter core compresses tightly fixed top cap, the export of fluid access channel is established between filter core and the urceolus, the entry that the fluid went out the passageway is established in the hole of filter core be equipped with in the hole of filter core and fix the filter screen on the entry that the passageway was gone out to the fluid. The utility model discloses increase a filter screen inside the filter core of filter, before fluid medium got into the moist slide of engine promptly, increase one again and filter, filter the cracked filter core PP cotton fiber along with fluid medium outflow completely, avoided the secondary pollution to the moist slide of engine, prevent to bring the damage to vehicle engine.

Description

Oil filter

Technical Field

The utility model belongs to the filter, concretely relates to oil cleaner.

Background

The cleaning of the engine lubricating channel of the vehicle becomes an indispensable link for vehicle maintenance, and an indispensable component, namely an oil filter, is arranged in the equipment for cleaning the engine lubricating channel. The filter element is arranged in the oil filter and is used for filtering the cleaning oil for circularly cleaning the engine lubrication way and removing impurities brought back when the cleaning oil circularly cleans the engine lubrication way. The material that current filter core used is the PP cotton, adopts the melt-blown technique, and the winding forms, and when the fluid medium that has certain pressure passes through the filter core, because the resistance of filter core, the interior outer wall of filter core produces the pressure differential, and pressure differential makes a small amount of cracked fibre in the filter core, and along with fluid medium outflow, gets into vehicle engine lubrication way, causes engine lubrication way secondary pollution, probably brings the damage to the engine.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a better oil cleaner of filter effect.

Realize the utility model discloses the technical scheme that the purpose was adopted as follows:

the utility model provides an oil filter, go out base, the clamp plate of passageway, establish urceolus between base and clamp plate, pass the clamp plate and establish the tube-shape filter core that link up the hole, be connected with the clamp plate of passageway including being equipped with fluid access channel and fluid and establish will the filter core compresses tightly fixed top cap, the export of fluid access channel is established between filter core and the urceolus, the entry that the fluid went out the passageway is established in the hole of filter core the downthehole of filter core is equipped with fixedly the fluid goes out the filter screen on the entry of passageway.

The fluid inlet channel comprises a fluid inlet which is arranged on the side surface of the base and communicated with the outlet of the fluid inlet channel, and the fluid outlet channel comprises a fluid outlet which is communicated with the inlet of the fluid outlet channel.

On the base, the fluid goes out the middle part that the entry of passageway is located above the base, the fluid goes out to be equipped with the proud position circle that makes progress around the entry of passageway, is equipped with annular platform around the position circle, is equipped with the first seal groove of annular including first O type circle around the platform, the export that the fluid got into the passageway is established between platform and first seal groove, is equipped with the bolt hole that link up from top to bottom around the first seal groove, and the bottom is equipped with the installation screw.

The filter screen is the tube-shape, and the lower extreme of filter screen is equipped with the tubulose connector, and the filter screen inserts the position circle internal fixation on the base through the connector on the entry of passageway is gone out to the fluid.

The pressing plate includes: establish in the through-hole in the middle of, establish below lie in around the through-hole with on the base first seal groove correspond and establish the second seal groove of second O type circle and with the screw that the bolt hole on the base corresponds, establish above lie in around the through-hole and establish the third seal groove of third O type circle, establish the external screw thread at periphery.

The top cap including establish in the lid in the middle part the taper sleeve, establish around the taper sleeve with the clamp plate on the annular boss that the third seal groove corresponds, be located the draw-in groove between taper sleeve and the boss, establish at the lateral wall with external screw thread matched with internal thread on the clamp plate.

The filter core passes the through-hole of clamp plate, and the upper end cover of filter core is on the taper sleeve of top cap and is located the draw-in groove, and the lower pot head is at the base position circle and is located the platform.

The upper and lower ends of urceolus are fixed in the second seal groove of clamp plate and the first seal groove of base respectively and form sealedly, and hexagon socket head cap screw follows the bolt hole of base passes and is connected with the screw on the clamp plate for clamp plate and base compress tightly the urceolus fixedly, top cap and clamp plate pass through interior external screw thread connection for top cap and base compress tightly the filter core fixedly, and make boss on the top cap and the third O type circle in the clamp plate third seal groove cooperate and realize sealedly.

Advantageous effects

1. Because the fluid medium of certain pressure has the problem of secondary pollution after the filter element filters, in order to overcome this problem, increase a filter screen in the filter core of filter, before fluid medium gets into the engine lubrication way, increase once again and filter, filter the cracked filter core PP cotton fiber that flows along with fluid medium completely, avoided the secondary pollution to engine lubrication way, prevent to bring the damage to vehicle engine.

2. After the equipment finishes the cleaning function, the top cover can be directly unscrewed by a hand, and the filter element is taken out, so that the fluid medium is completely prevented from overflowing from the filter, and the operation is convenient; because the closed volume space of the filter is small, the time for discharging the fluid medium accumulated in the closed volume space is short, the time is saved for users, and the efficiency is improved.

3. The utility model discloses the top cap adopts the taper sleeve location, presss from both sides tightly and sealed, has effectively solved in the assembling process, and the top cap will be fixed a position, pressed from both sides tightly and sealed filter core, will compress the assembly seal ring problem of O type sealing washer simultaneously again.

The utility model has unique, reasonable and simple design, and can also be used for filtering and purifying other fluid media such as fuel oil and the like.

The technical scheme of the utility model is further explained in the following with the attached drawings.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a bottom view of fig. 1.

Fig. 4 is a cross-sectional view along AA of fig. 3.

Fig. 5 is a cross-sectional view taken along line BB of fig. 3.

Fig. 6 is a cross-sectional view taken along line CC of fig. 3.

Fig. 7 is a schematic structural diagram of the middle gland of the present invention.

Fig. 8 is a schematic structural diagram of the middle filter screen of the present invention.

Fig. 9 is a schematic structural diagram of the middle top cover of the present invention.

Detailed Description

See fig. 1-9, the utility model provides an oil filter, include:

the filter comprises a base 1 provided with a fluid inlet channel and a fluid outlet channel, a pressure plate 8, an outer barrel 5 arranged between the base 1 and the pressure plate 8, a cylindrical filter element 6 penetrating through an inner hole 601 of the pressure plate 8, and a top cover 10 connected with the pressure plate 8 and used for tightly pressing and fixing the filter element 6, wherein an outlet 110 of the fluid inlet channel is arranged between the filter element 6 and the outer barrel 5, an inlet 106 of the fluid outlet channel is arranged in the inner hole of the filter element 6, and a filter screen 7 fixed on the inlet of the fluid outlet channel is arranged in the inner hole of the filter element 6;

the fluid inlet channel comprises an internally threaded fluid inlet 101 arranged at the side of the base 1 and communicating with an outlet 110 of the fluid inlet channel, and the fluid outlet channel comprises an internally threaded fluid outlet 102 communicating with an inlet 106 of the fluid outlet channel;

on the base 1, an inlet 106 of a fluid outlet channel is provided with internal threads and is positioned in the middle of the upper surface of the base 1, a positioning ring 107 protruding upwards is arranged around the inlet 106 of the fluid outlet channel, an annular platform 109 is arranged around the positioning ring 107, the bottom of the positioning ring 107 is provided with an inner end surface 108, an annular sealing groove 104 comprising an O-shaped ring 2 is arranged around the platform 109, an outlet 110 of the fluid inlet channel is arranged between the platform 109 and the

sealing groove

104, 4 bolt holes 103 penetrating up and down are arranged around the sealing groove 104, and a mounting screw hole 105 is arranged at the bottom of the sealing groove 104;

the pressure plate 8 comprises a through hole 805 arranged in the middle, a sealing groove 801 which is arranged below and positioned around the through hole 805, corresponds to the sealing groove 104 on the base 1 and is provided with an O-shaped ring 2', a screw hole 803 which corresponds to the bolt hole 103 on the base 1, a sealing groove 804 which is arranged above and positioned around the through hole 805 and is provided with an O-shaped ring 9, and external threads 802 arranged on the periphery;

the top cover 10 comprises a taper sleeve 1003 arranged in the middle of the cover, an annular boss 1002 arranged around the taper sleeve 1003 and corresponding to the sealing groove 804 on the pressure plate 8, a clamping groove 1004 positioned between the taper sleeve 1003 and the boss 1002, and an internal thread 1001 arranged on the side wall and matched with the external thread 802 on the pressure plate 8;

the filter screen 7 is cylindrical, a tubular connector 701 with external threads is arranged at the lower end of the filter screen 7, the filter screen 7 is inserted into a positioning ring 107 on the base 1 through the connector 701 and fixed on an inlet 106 of the fluid outlet channel, and a sealing gasket 3 is arranged between the root of the connector 701 and an inner end face 108 at the bottom of the positioning ring 107;

the filter element 6 is a PP cotton filter element, the filter element 6 penetrates through a through hole 805 of the pressing plate 8, the upper end of the filter element 6 is sleeved on the taper sleeve 1003 of the top cover 10 and is positioned in the clamping groove 1004, and the lower end of the filter element 6 is sleeved on the positioning ring 107 of the base 1 and is positioned on the platform 109;

the urceolus 5 adopts a borosilicate glass section of thick bamboo, and the upper and lower end of urceolus 5 is fixed in respectively that the seal groove 801 of clamp plate 8 and the seal groove 104 of base 1 form sealedly, and four hexagon socket head cap bolts 4 follow the bolt hole 103 of base 1 pass with clamp plate 8 on screw 803 be connected for clamp plate 8 and base 1 compress tightly urceolus 5 fixedly, top cap 10 is connected through internal and external screw thread 1001, 802 with clamp plate 8, makes top cap 10 and base 1 compress tightly filter core 6 fixedly, and makes boss 1002 on top cap 10 and the O type circle 9 in the 8 seal groove 804 of clamp plate cooperate and realize sealedly.

The utility model discloses during the installation, with the fluid inlet 101 of base 1 and fluid outlet 102 dress joint and sealed with the screw thread glue, on being fixed in equipment through installation screw 105 on the base 1 and bolted connection, on being connected to the fluid inlet 101 and the fluid outlet 102 joint of base 1 to the business turn over oil pipe of equipment the inside respectively as required again, screw up top cap 10 with the hand.

For example, to replace the filter cartridge 6, the top cap 10 is first opened by hand, the filter cartridge 6 is removed, a new filter cartridge is installed, and the top cap 10 is then tightened by hand.

If the filter screen 7 is to be cleaned, the top cover 10 is unscrewed by hand, the filter element 6 is taken out, and then the filter screen 7 is unscrewed by hand, so that the filter screen 7 can be cleaned.

The working principle is as follows:

fluid medium with certain pressure enters from the fluid inlet 101 of the base 1, is filtered by the filter element 6, enters the inner hole 601, is filtered by the filter screen 7, enters the fluid medium outlet 102 of the base 1 through the connector 701, and completes the filtration of the fluid.

The two O-shaped rings 2 and 2' are compressed under the action of the pretightening force of the four hexagon socket head bolts 4, so that the upper end and the lower end of the high borosilicate glass cylinder 5 are sealed with the sealing groove 801 of the pressure plate 8 and the sealing groove 104 of the base 1; under the fastening force of the internal thread 1001 and the external thread 802, the boss 1002 compresses the O-ring 9 to seal the top cover 10 with the pressure plate 8.

When the top cover 10 compresses the O-shaped sealing ring 9, the taper sleeve 1003 is arranged in the inner hole 601 at the upper end of the filter element 6, so that one end of the inner hole 601 is expanded, positioning, clamping and sealing effects are achieved, and when the top cover 10 is screwed with the pressing plate 8, the lower end face of the filter element 6 is firmly attached to the platform 109 of the base 1 and plays a sealing effect.

Claims

1. The utility model provides an oil filter, characterized by is including being equipped with fluid entering channel and fluid go out base, clamp plate of passageway, establish urceolus between base and clamp plate, pass the clamp plate and establish the tube-shape filter core that link up the hole, be connected with the clamp plate and will the filter core compresses tightly fixed top cap, the export of fluid entering channel is established between filter core and the urceolus, the fluid goes out the entry of passageway and establishes in the hole of filter core the downthehole fixing of filter core the fluid goes out the filter screen on the entry of passageway.

2. The oil filter of claim 1 wherein the fluid inlet passage includes a fluid inlet port in the side of the base in communication with the outlet port of the fluid inlet passage and the fluid outlet passage includes a fluid outlet port in communication with the inlet port of the fluid outlet passage.

3. The oil filter according to claim 1 or 2, wherein the base is provided with an inlet of the fluid outlet channel in the middle above the base, an upward protruding positioning ring is arranged around the inlet of the fluid outlet channel, an annular platform is arranged around the positioning ring, an annular first sealing groove comprising a first O-ring is arranged around the platform, an outlet of the fluid inlet channel is arranged between the platform and the first sealing groove, bolt holes penetrating up and down are arranged around the first sealing groove, and a mounting screw hole is arranged at the bottom of the first sealing groove.

4. The oil filter of claim 3 wherein the filter screen is cylindrical, the lower end of the filter screen is provided with a tubular connector, and the filter screen is inserted into a positioning ring on the base through the tubular connector and fixed on the inlet of the fluid outlet channel.

5. The oil filter of claim 3 wherein the pressure plate comprises: establish in the through-hole in the middle of, establish below lie in around the through-hole with on the base first seal groove correspond and establish the second seal groove of second O type circle and with the screw that the bolt hole on the base corresponds, establish above lie in around the through-hole and establish the third seal groove of third O type circle, establish the external screw thread at periphery.

6. The oil filter of claim 5 wherein the top cap includes a taper sleeve disposed at a central portion of the cap, an annular boss disposed around the taper sleeve and corresponding to the third seal groove on the pressure plate, a slot between the taper sleeve and the boss, and an internal thread disposed on the sidewall and mating with the external thread on the pressure plate.

7. The oil filter of claim 6 wherein the filter element passes through the through hole of the pressure plate, the upper end of the filter element is sleeved on the taper sleeve of the top cover and positioned in the clamping groove, and the lower end of the filter element is sleeved on the base positioning ring and positioned on the platform.

8. The oil filter of claim 7 wherein the upper and lower ends of the outer cylinder are respectively fixed in a second seal groove of the pressure plate and a first seal groove of the base to form a seal, hexagon socket head cap bolts pass through bolt holes of the base to be connected with screw holes on the pressure plate, so that the outer cylinder is compressed and fixed by the pressure plate and the base, the top cover and the pressure plate are connected by internal and external threads, so that the filter element is compressed and fixed by the top cover and the base, and a boss on the top cover is matched with a third O-ring in a third seal groove of the pressure plate to realize a seal.