CN206823295U - A kind of plug-in filter core blocks from alarm filter device - Google Patents

Abstract

The utility model discloses a kind of plug-in filter core to block from alarm filter device, including nut head, intermediate mass, filter core, filter core sleeve, filter core upper cartridge opening, filter core sleeve inner is cavity, filter core sleeve bottom is communicated with the fuel feed hole of cavity, filter core is arranged on cavity bottom, multiple filter bores are uniformly provided with filter core sleeve lateral wall, intermediate mass is arranged on cavity top, intermediate mass bottom is in close contact with filter core top, the nut head seal with screwed joint of filter core upper cartridge opening, signalling generator is provided between intermediate mass and nut head.When working media flows through filter, filter core can filter to working media；When filter core because long-term use causes its filter screen contaminated and when losing filter capacity, under the effect of the pressure, working media flows through interface channel, and promotes cone valve to move up, to remind operator to maintain filter；Signalling generator, filter are combined, there is the advantages of being simple to manufacture, use cost is low, easy to maintain.

Description

A kind of plug-in filter core blocks from alarm filter device

Technical field

A kind of filter is the utility model is related to, more particularly to a kind of plug-in filter core blocks from alarm filter device.

Background technology

Current filter both domestic and external, signalling generator all using each independent layout, are so designed that, need bigger sky Between simultaneously lay two elements, this class component is mostly import partses in the pressure system for requiring high, expensive, can not use national standard again Instrument disintegrate, be unfavorable for the regular maintenance of operator.

The content of the invention

In order to solve the above-mentioned technical problem, the utility model provide it is a kind of it is simple in construction, stability is strong, easy to maintenance inserts Dress formula filter core blocks from alarm filter device.

The technical scheme that the utility model solves the above problems is：A kind of plug-in filter core blocks from alarm filter device, Including nut head, intermediate mass, filter core, filter core sleeve, the filter core upper cartridge opening, filter core sleeve inner is cavity, filter core Sleeve bottom is communicated with the fuel feed hole of cavity, and the filter core is arranged on cavity bottom, is uniformly provided with filter core sleeve lateral wall more Individual filter bores, the intermediate mass are arranged on cavity top, and intermediate mass bottom is in close contact with filter core top, and filter core upper cartridge is opened Nut head seal with screwed joint is used at mouthful, signalling generator is provided between the intermediate mass and nut head.

Above-mentioned plug-in filter core obstruction includes spring and cone valve, the nut head from alarm filter device, the signalling generator Groove is provided with the middle part of lower surface, the bottom land of groove is provided with the through hole of insertion nut head, groove and filter are communicated among intermediate mass The interface channel of core, the lower end of the cone valve are inserted in interface channel, and cone valve upper end is through groove and spiral shell is extend out to from through hole Outside female, the upper end of the spring is fixed on the bottom land of groove, and the lower end of spring is fixed in the middle part of cone valve.

For above-mentioned plug-in filter core obstruction from alarm filter device, the cone valve is big top and small bottom structure.

Above-mentioned plug-in filter core obstruction is equal to cavity from alarm filter device, the height sum of the filter core and intermediate mass Highly.

Above-mentioned plug-in filter core obstruction is uniformly provided with more from alarm filter device, the interface channel inwall of the intermediate mass The drain passage of individual lateral direction penetrating intermediate mass, drain passage are inner small and outside big variable-diameter structure, are set in the middle part of each drain passage There is one to be used to blocking the steel ball of drain passage, the filter core upper cartridge outer wall is provided with corresponding with drain passage multiple Longitudinal discharge launder, the bottom land of longitudinal discharge launder are provided with the horizontal discharge launder through filter core sleeve lateral wall, filter core upper cartridge inwall Upper face drain passage is provided with annular oil groove, and annular oil groove connects with each drain passage, and longitudinal discharge launder passes through horizontal discharge launder Connected with annular oil groove.

It is above-mentioned that plug-in filter core obstruction is from the middle part of alarm filter device, the filter core sleeve outer wall and bottom is equipped with annular Seal groove, seal groove is interior to be provided with the first sealing ring.

Above-mentioned plug-in filter core obstruction is provided between alarm filter device, the cone valve bottom and the inwall of interface channel Second sealing ring.

For above-mentioned plug-in filter core obstruction from alarm filter device, the nut head is hex nut head.

For above-mentioned plug-in filter core obstruction from alarm filter device, the fuel feed hole is hexagonal hole.

The beneficial effects of the utility model are：The utility model is provided with signalling generator in the inside of filter, works as work The filtered device of medium flow field, filter core can filter to working media；When filter core because long-term use causes its filter screen contaminated and When losing filter capacity, under the effect of the pressure, working media flows through interface channel, and promotes cone valve to move up, and is sent out to operator It is existing, to remind operator to maintain filter；Signalling generator, filter are combined, integrated level is high, reliability It is good, there is the advantages of being simple to manufacture, use cost is low, easy to maintain.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is Fig. 1 front view.

Fig. 3 is Fig. 2 A-A sectional views.

Fig. 4 is the structural representation of Fig. 1 filter core sleeves.

Fig. 5 is Fig. 4 front view.

Fig. 6 is Fig. 5 B-B sectional views.

Fig. 7 is the structural representation of Fig. 1 intermediate mass.

Fig. 8 is Fig. 7 front view.

Fig. 9 is Fig. 8 C-C sectional views.

Figure 10 applies exemplary block diagram to be of the present utility model.

Embodiment

The utility model is further described with reference to the accompanying drawings and examples.

As shown in Fig. 1-Fig. 9, a kind of plug-in filter core blocks from alarm filter device, including nut head 1, intermediate mass 4, filter Core 7, filter core sleeve 8, the upper opening of filter core sleeve 8, the inside of filter core sleeve 8 is cavity, and the bottom of filter core sleeve 8 is communicated with The fuel feed hole 12 of cavity, fuel feed hole 12 are hexagonal hole, and the filter core 7 is arranged on cavity bottom, uniformly set in the side wall of filter core sleeve 8 There are multiple filter bores 13, the outer wall of filter core sleeve 8 middle part and bottom are equipped with annular seal groove 14, and it is close to be provided with first in seal groove 14 Seal 9, the intermediate mass 4 are arranged on cavity top, and the 4th sealing ring 6 is provided between intermediate mass 4 and the inwall of filter core sleeve 8, in Between the bottom of block 4 and the top of filter core 7 be in close contact, the height sum of filter core 7 and intermediate mass 4 is equal to the height of cavity；Filter core sleeve 8 With the seal with screwed joint of hex nut head 1 at upper opening, the bottom of nut head 1 is provided with the 3rd sealing ring 11, the intermediate mass 4 with Signalling generator is provided between nut head 1.

The signalling generator includes spring 2 and cone valve 3, is provided with groove in the middle part of the lower surface of nut head 1, the bottom land of groove is set There is the through hole of insertion nut head 1, the interface channel 15 of groove and filter core 7 is communicated among intermediate mass 4, cone valve 3 is that upper end is small Lower end big structure, the lower end of the cone valve 3 are inserted in interface channel 15, set between the inwall of the bottom of cone valve 3 and interface channel 15 There is the second sealing ring 5, the upper end of cone valve 3 is through groove and is extend out to from through hole outside nut head 1, and the upper end of the spring 2 is fixed On the bottom land of groove, the lower end of spring 2 is fixed on the middle part of cone valve 3.

The drain passage 16 of multiple lateral direction penetrating intermediate mass 4 is uniformly provided with the inwall of interface channel 15 of the intermediate mass 4, Drain passage 16 is inner small and outside big variable-diameter structure, and the middle part of each drain passage 16 is provided with one and is used to block drain passage 16 Steel ball 10, the external wall of upper portion of filter core sleeve 8 is provided with the multiple longitudinal discharge launders 17 corresponding with drain passage 16, longitudinal direction The bottom land of discharge launder 17 is provided with the horizontal discharge launder 18 through the side wall of filter core sleeve 8, and face is drained in the upper inside wall of filter core sleeve 8 Passage 16 is provided with annular oil groove 19, and annular oil groove 19 connects with each drain passage 16, and longitudinal discharge launder 17 passes through horizontal discharge launder 18 connect with annular oil groove 19.

Operation principle of the present utility model is as follows：As shown in Figure 10, the hole for being provided with the installation present apparatus 21 is removed on integrated package 20 Outside, also there is oil inlet 22；Oil-feed tank 23；Go out oil groove 24；Oil-out 25.

Filtering function：Pressure oil enters oil-feed tank 23 by oil inlet 22, then is entered by the fuel feed hole 12 of the bottom of filter core sleeve 8 Enter the present apparatus 21.Because the cone valve 3 in the present apparatus 21 is determined certain Opening pressure by spring 2, pressure oil is caused to pass through filter core 7, flowed out from the filter bores 13 on filter core sleeve 8, into oil groove 24 is gone out, the pressure oil finally filtered flows to it from oil-out 25 Its place, this completes the filtration to pressure oil.

Sender（The obstruction of filter core 7 is alarmed certainly）Function：When filter core 7 is due to working long hours, causes the hole of filter core 7 to be blocked, press Power oil can not be normal through, causes pressure oil overhold to drive cone valve 3, exposes nut head 1 so as to which pressure oil promotes cone valve 3 to move up and is grasped Author has found；After cone valve 3 has been driven on top, some reducing drain passages 16 on intermediate mass 4 are caused to expose, then pressure oil enters it In, and the macropore movement laterally of steel ball 10 for closing drain passage 16 is promoted, now reducing drain passage 16 then turns on, pressure oil Some longitudinal discharge launders 17 on filter core sleeve 8 are flowed to after reducing drain passage 16, until flowing to out oil groove 24, are finally flowed To oil-out 25.So headed on exposed cone valve 3 always by pressure oil to be found by operator, remind operator to need to this The filter core 7 of device is changed, so as to complete sender function.

Claims (8)

1. a kind of plug-in filter core blocks from alarm filter device, it is characterised in that：Including nut head, intermediate mass, filter core, filter core Sleeve, the filter core upper cartridge opening, filter core sleeve inner are cavity, and filter core sleeve bottom is communicated with the oil-feed of cavity Hole, the filter core are arranged on cavity bottom, and multiple filter bores are uniformly provided with filter core sleeve lateral wall, and the intermediate mass is arranged on sky Chamber top, intermediate mass bottom are in close contact with filter core top, the nut head seal with screwed joint of filter core upper cartridge opening, institute State and signalling generator is provided between intermediate mass and nut head.

2. plug-in filter core according to claim 1 blocks from alarm filter device, it is characterised in that：The signalling generator bag Spring and cone valve are included, groove is provided with the middle part of the nut head lower surface, the bottom land of groove is provided with the through hole of insertion nut head, middle The interface channel of groove and filter core is communicated among block, the lower end of the cone valve is inserted in interface channel, and cone valve upper end passes through Groove is simultaneously extend out to outside nut head from through hole, and the upper end of the spring is fixed on the bottom land of groove, and the lower end of spring is fixed In the middle part of cone valve, the drain passage of multiple lateral direction penetrating intermediate mass is uniformly provided with the interface channel inwall of the intermediate mass, is arranged It is inner small and outside big variable-diameter structure to let out passage, and the middle part of each drain passage is provided with a steel ball for being used to block drain passage, The filter core upper cartridge outer wall is provided with the multiple longitudinal discharge launders corresponding with drain passage, and the bottom land of longitudinal discharge launder is set There is a horizontal discharge launder through filter core sleeve lateral wall, face drain passage is provided with annular oil groove, ring on filter core upper cartridge inwall Shape oil groove is connected with each drain passage, and longitudinal discharge launder is connected by horizontal discharge launder with annular oil groove.

3. plug-in filter core according to claim 2 blocks from alarm filter device, it is characterised in that：The cone valve is upper Hold small lower end big structure.

4. plug-in filter core according to claim 2 blocks from alarm filter device, it is characterised in that：The filter core is with Between block height sum be equal to cavity height.

5. plug-in filter core according to claim 1 blocks from alarm filter device, it is characterised in that：The filter core sleeve In the middle part of outer wall and bottom is equipped with annular seal groove, and the first sealing ring is provided with seal groove.

6. plug-in filter core according to claim 2 blocks from alarm filter device, it is characterised in that：The cone valve bottom The second sealing ring is provided between the inwall of interface channel.

7. plug-in filter core according to claim 1 blocks from alarm filter device, it is characterised in that：The nut head is Hex nut head.

8. plug-in filter core according to claim 1 blocks from alarm filter device, it is characterised in that：The fuel feed hole is Hexagonal hole.