CN209369972U - Fuel filter automatic drain valve and fuel filter - Google Patents
Fuel filter automatic drain valve and fuel filter Download PDFInfo
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- CN209369972U CN209369972U CN201822176342.5U CN201822176342U CN209369972U CN 209369972 U CN209369972 U CN 209369972U CN 201822176342 U CN201822176342 U CN 201822176342U CN 209369972 U CN209369972 U CN 209369972U
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- hollow cavity
- fuel filter
- sealing element
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Abstract
The utility model provides a kind of fuel filter automatic drain valve and fuel filter, belongs to filter field, including valve seat, shell and valve body, and one end of valve seat is water inlet, and the other end is the first hollow cavity;Shell includes the second hollow cavity and third hollow cavity, and the first hollow cavity constitutes accommodating chamber after being connected to the second hollow cavity;Valve body includes valve rod, electromagnetic coil and fixed core.Fuel filter automatic drain valve provided by the utility model, water level sensor detects the ponding in filter and transmits signal to controller, and valve rod moves down under the action of electromagnetic coil and fixed core, and air inlet and inlet opening are opened, drainpipe is closed, and the ponding in filter is collected into accommodating chamber;After water level sensor detects ponding within the set range, signal is transmitted to controller, valve rod moves up, and air inlet and inlet opening are sealed, and drainage hole sealing element is opened, at this point, guaranteeing that the ponding in valve is smoothly discharged from drainpipe due to draining stomata still air inlet.
Description
Technical field
The utility model belongs to filter technical field, is to be related to a kind of fuel filter automatic draining more specifically
Valve and fuel filter with the discharging valve.
Background technique
The normal operation of automobile engine be unable to do without fuel oil, and automotive fuel oil system needs to remove moisture in fuel oil and other
Impurity.Moisture and impurity in fuel oil are greatly mostly from the bad transport of the treatment process of oil plant and storage process.
Combustion water content in oil and impurity can reduce the greasy property of fuel oil, lead to fuel system parts wear, lead to failure
Occur.To guarantee vehicle normal operation, reducing vehicle wear-out, fuel filter (water-oil separating is installed usually in fuel system
Device) and it is furnished with Manual water drain valve.Separation water in fuel system accumulates in cleaner bottom secction, when ponding reach a certain height, just
It needs for ponding to be discharged.
It is mostly that discharging valve discharge ponding is opened after reaching certain water level in currently available technology, principle is simpler, is easy
Existing problem.
Utility model content
The purpose of this utility model is to provide a kind of fuel filter automatic drain valves, to solve to exist in the prior art
Draining the technical issues of leading to parts wear not in time.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of fuel filter automatic draining
Valve, fuel filter automatic drain valve, comprising:
Valve seat, one end of the valve seat are water inlet, and the centre of the water inlet is equipped with the bell jar of outwardly convex, the clock
The closed end of cover is equipped with water level sensor and air inlet, the outwardly extending plane of flattening in the open end of the bell jar and the valve seat
Inner wall is connected, and the plane of flattening is equipped with inlet opening, and the other end of the valve seat swells outward forms the first hollow cavity, the valve
The side wall that seat is located at first hollow cavity is equipped with draining stomata;
Shell, the shell include the second hollow cavity and the third hollow cavity that is separated by demarcation plate, and the valve seat is equipped with
One end of second hollow cavity is connected with the sealing of the other end of the valve seat, first hollow cavity and second hollow cavity
Accommodating chamber is constituted after connection, the demarcation plate, which is equipped with, passes through through-hole for being connected to the drainpipe of the accommodating chamber;The third
Controller is installed, the water level sensor is connected with the controller line in hollow cavity;
Valve body is installed in the accommodating chamber, for opening and closing the inlet opening and the drainpipe, including runs through the appearance
Receive the valve rod of chamber, one end of the valve rod is equipped with the port sealing part for blocking the air inlet, and the other end is equipped with and is used for
The drainage hole sealing element of the drainpipe is blocked, in-between position is equipped with the inlet opening sealing element for blocking the inlet opening,
The valve rod is equipped with fixed core close to one end of the drainage hole sealing element, and the fixed core is far from the drainage hole sealing element
The periphery of one end is equipped with the electromagnetic coil that is connected with the controller line, and the lower section that the bell jar is located on the valve rod, which is equipped with, holds
Briquetting on the valve rod (304) and is located at below the pressure block (306) and is equipped with the first spring, the inlet opening sealing element peace
Loaded on moving up and down on the pressure block with the valve rod, the valve rod is under the action of the electromagnetic coil and the fixed core
It moves up and down, the valve rod moves downward, and port sealing part, drainage hole sealing element are in free state, at drainage hole sealing element
In compressive state, the discharging valve is opened;The valve rod resets under the action of first spring, port sealing part, draining
Hole sealing element switches to compressive state, and drainage hole sealing element switches to free state, and the discharging valve is closed.
Further, the valve rod includes first body of rod, second body of rod and the third body of rod being sequentially connected, and the stomata is close
Sealing is connected to one end of first body of rod, and the drainage hole sealing element is connected to the end of the third body of rod, described to hold
Briquetting is set on first body of rod, and first spring pocket is loaded on second body of rod.
Further, the third body of rod includes guide rod and outer diameter across the centre bore of the fixed core greater than described
The gag lever post of guide rod is formed between the end face of the gag lever post and the end face of the fixed core for controlling the valve rod or more
The gap of movement travel, the drainage hole sealing element are set to the end of the guide rod, the gag lever post and second bar
Body is threadedly coupled.
Further, one end that second body of rod is connect with first body of rod is equipped with central blind hole, the pressure block
It is threadedly coupled by the internal screw thread being arranged in the central blind hole with second body of rod, first body of rod passes through described hold
Briquetting is extend into the central blind hole, and is limited in institute by the limit disk and the pressure block of first rod end
It states in central blind hole, the second spring squeezed by the limit disk is equipped in central blind hole.
Further, the upper end of second body of rod is equipped with round cushion cap, and the pressure block is equipped with and holds with the circle
The pressure-bearing rotary table of platform contact.
Further, sealing ring is equipped between the fixed core and the electromagnetic coil.
Further, the inner wall of the third hollow cavity is equipped with mounting groove and threading hole, is equipped with control in the mounting groove
Device, the route being connected with controller are drawn by threading hole.
The beneficial effect of fuel filter automatic drain valve provided by the utility model is: compared with prior art, this
Utility model fuel filter automatic drain valve, water level sensor detect the ponding in filter and transmit signal to control
Device, valve rod move down under the action of electromagnetic coil and fixed core, and air inlet and inlet opening are opened, and drainpipe is closed, in filter
Ponding be collected into accommodating chamber;After water level sensor detects ponding within the set range, signal is transmitted to controller,
Valve rod moves up, and air inlet and inlet opening are sealed, and drainage hole sealing element is opened, at this point, guaranteeing due to draining stomata still air inlet
Ponding in valve is smoothly discharged from drainpipe.Accommodating chamber in the utility model has certain water storage function, can make to discharge water
Valve is drained by certain frequency.
The utility model also provides a kind of fuel filter, is equipped with above-mentioned automatic drain valve.
The beneficial effect of fuel filter provided by the utility model is: by automatic drain valve, being discharged in filter
Ponding accumulate in the accommodating chamber of automatic drain valve, according to the conversion frequency Auto-drainage of electromagnetic coil, reduce to components
Abrasion, improve the service life of components.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic perspective view of fuel filter automatic drain valve provided by the embodiment of the utility model;
Fig. 2 is the schematic view of the front view of fuel filter automatic drain valve provided by the embodiment of the utility model;
Fig. 3 is the overlooking structure diagram for the fuel filter automatic drain valve that Fig. 2 is provided;
Fig. 4 is that inside is the structural schematic diagram of valve opening state after line A-A cutting in Fig. 3;
Fig. 5 is that inside is the structural schematic diagram of valve-closed state after line A-A cutting in Fig. 3;
Fig. 6 is the structural schematic diagram of the valve rod for the fuel filter automatic drain valve that Fig. 4 is provided;
Fig. 7 is the structural schematic diagram of the valve seat for the fuel filter automatic drain valve that Fig. 4 is provided;
Fig. 8 is the structural schematic diagram one of the shell for the fuel filter automatic drain valve that Fig. 4 is provided;
Fig. 9 is the structural schematic diagram two of the shell for the fuel filter automatic drain valve that Fig. 4 is provided.
Wherein, each appended drawing reference in figure:
1- valve seat;101- water level sensor;102- external screw thread connecting pin;103- drains stomata;104- air inlet;105- into
Water hole;106- sealing ring;The first hollow cavity of 107-;108- bell jar;2- shell;201- mounting groove;202- drainpipe;203- threading
Hole;204- third hollow cavity;3- valve body;301- electromagnetic coil;302- skeleton;303- fixed core;304- valve rod;3041- stomata
Sealing element;The inlet opening 3042- sealing element;3043- drainage hole sealing element;First body of rod of 3044-;Second body of rod of 3045-;3046-
The third body of rod;30461- gag lever post;30462- guide rod;The first spring of 3047-;3048- second spring;305- second is hollow
Chamber;306- pressure block.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
Also referring to Fig. 1 to Fig. 8, now fuel filter automatic drain valve provided by the utility model is illustrated.
The fuel filter automatic drain valve includes valve seat 1, shell 2 and valve body 3, and one end of valve seat 1 is water inlet, in water inlet
Between be equipped with the bell jar 108 of outwardly convex, the closed end of bell jar 108 is equipped with water level sensor 101 and air inlet 104, bell jar 108
The outwardly extending plane of flattening in open end is connected with the inner wall of valve seat 1, and the plane of flattening is equipped with inlet opening 105, the other end of valve seat 1 to
Outer protuberance forms the first hollow cavity 107, and the side wall that valve seat 1 is located at the first hollow cavity 107 is equipped with draining stomata 103;Shell 2 includes
Second hollow cavity 305 and the third hollow cavity 204 separated by demarcation plate, valve seat 1 are equipped with one end and the valve of the second hollow cavity 305
The other end sealing of seat 1 is connected, and the first hollow cavity 107 constitutes accommodating chamber after being connected to the second hollow cavity 305, and demarcation plate is equipped with
Drainpipe 202 for being connected to accommodating chamber passes through through-hole;Controller is installed in third hollow cavity 204, water level sensor 101 with
Controller line is connected;Valve body 3 is installed in accommodating chamber, for opening and closing inlet opening 105 and drainpipe 202, including through being held
Receive the valve rod 304 of chamber, one end of valve rod 304 is equipped with the port sealing part 3041 for blocking the air inlet 104, the other end
Equipped with the drainage hole sealing element 3043 for blocking drainpipe 202, in-between position is equipped with the water inlet for blocking inlet opening 105
Hole sealing element 3042, valve rod 304 are equipped with fixed core 303 close to one end of the drainage hole sealing element 3043, and fixed core 303 is separate
The periphery of one end of drainage hole sealing element 3043 is equipped with the electromagnetic coil 301 that is connected with controller line, is located at bell jar on valve rod 304
108 lower section is equipped with pressure block 306, on the valve rod 304 and is located at below the pressure block 306 and is equipped with for making valve rod 304
First spring 3047 mobile to 1 side of valve seat, inlet opening sealing element 3042 are installed on pressure block 306 with moving down on valve rod 304
Dynamic, valve rod 304 moves up and down under the action of electromagnetic coil 301 and fixed core 303, and valve rod 304 moves downward, port sealing part
3041, drainage hole sealing element 3043 is in free state, and 202 sealing element of drainpipe is in compressive state, and discharging valve is opened;Valve rod
304 reset under the action of the first spring 3047, and port sealing part 3041, drainage hole sealing element 3043 switch to compressive state,
202 sealing element of drainpipe switches to free state, and discharging valve is closed.
Fuel filter automatic drain valve provided by the utility model, compared with prior art, water level sensor 101 detect
Ponding in filter simultaneously transmits signal to controller, under valve rod 304 is under the action of electromagnetic coil 301 and fixed core 303
It moves, air inlet 104 and inlet opening 105 are opened, and drainpipe 202 is closed, and the ponding in filter is collected into accommodating chamber, Ye Jifa
Door is opened, at this point, accommodating chamber is equivalent to the container for accommodating water;After water level sensor 101 detects ponding within the set range,
Signal is transmitted to controller, valve rod 304 moves up reset, air inlet 104 and inlet opening 105 under the action of the first spring 3047
It is sealed namely valve is closed, the ponding in filter cannot be opened to Valved discharge, drainage hole sealing element, in accommodating chamber
Ponding is discharged from valve, at this point, guaranteeing that the ponding in valve is smoothly arranged from drainpipe 202 due to draining the still air inlet of stomata 103
Out.
Wherein, it sets in the side wall of the first hollow cavity 107 of valve seat 1 there are two stomata 103 is drained, since valve rod 304 moves up
Air inlet 104 is closed afterwards, and the air in accommodating chamber cannot enter from air inlet 104, at this point, air by drain stomata 103 into
Enter, to the pressure that intracavitary ponding is formed, it is smooth to be conducive to draining.
Accommodating chamber in the utility model has certain water storage function, discharging valve can be made to drain by certain frequency.
Wherein, it is equipped with the external screw thread connecting pin 102 for being connected to filter in valve seat 1, and is furnished with sealing ring
106, in outer threaded ends 102, strainer is set, filters the granule foreign being discharged from filter.
Wherein, the connecting pin of valve seat 1 and shell 2 also is provided with sealing ring 106, prevents ponding from revealing.
In addition, water level sensor 101 herein designs for high water-level alarm, low-water alarm function can also be increased, more
It is changed to the double water levels more insured design;Originally can be set between 101 liang of probes of water level sensor described in asking isolation baffle plate or
Other design structures with this function avoid that false alarm phenomenon occurs.
In addition, the skeleton 302 for being used to support electromagnetic coil is additionally provided with, such as Fig. 4 in the accommodating chamber that valve seat and shell are formed
And shown in Fig. 5.
Also referring to Fig. 3 to Fig. 6, one kind as fuel filter automatic drain valve provided by the utility model is specific
Embodiment, valve rod 304 include first body of rod 3044, second body of rod 3045 and the third body of rod 3046 being sequentially connected, and stomata is close
Sealing 3041 is connected to one end of first body of rod 3044, and drainage hole sealing element 3043 is connected to the end of the third body of rod 3046, holds
Briquetting 306 is set on first body of rod 3044, and the first spring 3047 is set on second body of rod 3045." first ", " herein
Two " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicate indicated technology spy
The quantity of sign." first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more be somebody's turn to do
Feature.
Fig. 3 to Fig. 6 is please referred to, a kind of specific implementation as fuel filter automatic drain valve provided by the utility model
Mode, the third body of rod 3046 include guide rod 30462 and outer diameter across the centre bore of the fixed core 303 greater than guide rod
30462 gag lever post 30461 is formed between the end face of gag lever post 30461 and the end face of fixed core 303 for controlling valve rod 304
The gap of up and down motion stroke, drainage hole sealing element 3043 are set to the end of guide rod 30462, gag lever post 30461 and second
The body of rod 3045 is threadedly coupled.After the end face of gag lever post 30461 and fixed core 303 contacts, air inlet 104 and inlet opening 105 are equal
It opens, drainpipe 202 is closed, and is closed to air inlet 104 by port sealing part 3041 when gag lever post 30461 leaves fixed core 303
Afterwards, the distance between gag lever post 30461 and fixed core 303 reach maximum.
Refering to Fig. 6, as a kind of specific embodiment of fuel filter automatic drain valve provided by the utility model, institute
It states one end that second body of rod 3045 is connect with first body of rod 3044 and is equipped with central blind hole, the pressure block 306 passes through setting
Internal screw thread in the central blind hole is threadedly coupled with second body of rod 3045, and first body of rod 3044 passes through described hold
Briquetting 306 is extend into the central blind hole, and by the limit disk and the pressure block of first body of rod, 3044 end
306 are limited in the central blind hole, and the second spring 3048 squeezed by the limit disk is equipped in central blind hole.Namely
It says, when valve opening, first body of rod, 3044 stress is moved down, and pushes second spring 3048, air inlet is opened, and first body of rod
3044 move up under the action of the elastic force of second spring 3048, so that port sealing part is moved up and is sealed to air inlet,
Realize that valve is closed.During installation, by first body of rod 3044 do not limit circle of position disk one end pass through pressure block 306 centre bore,
Contact the end face for limiting disk with the end face of pressure block 306, second spring 3048 is placed in central blind hole, and pressure block 306 is twisted
Enter into central blind hole, until the limit disk of first body of rod 3044 is contacted with the extruding of second spring 3048, at this point, pressure block
306 mutually squeeze with the upper surface of second body of rod 3045.
Referring to Fig. 6, a kind of specific embodiment as fuel filter automatic drain valve provided by the utility model,
The upper end of second body of rod 3045 is equipped with round cushion cap, and pressure block 306 is equipped with the pressure-bearing rotary table with round raft contact, passes through circle
Shape cushion cap and pressure-bearing rotary table are tangent, realize and limit to pressure block 306.In addition, for ease of description and understand, introduce herein
The orientation or positional relationship of the instructions such as "upper", "lower", "top", "bottom" "inner", "outside" is orientation based on the figure or position
Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.As general
After valve rod is put into accommodating chamber, the first spring 3047 limit second body of rod 3045 round cushion cap lower end surface and sealing shroud 4 it
Between, and no matter in valve opening and closed state it is in compressive state, it can reset and compress.
Fig. 4 to Fig. 5 is please referred to, a kind of specific implementation as fuel filter automatic drain valve provided by the utility model
Mode is equipped with sealing ring 106, for preventing ponding from entering electromagnetic coil 301 and valve between fixed core 303 and electromagnetic coil 301
In the hollow cavity that bar 304 is formed.Herein, the equal label 106 of sealing ring 106 of different parts, to reduce the cumbersome of label distinction.
Referring to Fig. 9, a kind of specific embodiment as fuel filter automatic drain valve provided by the utility model,
The inner wall of third hollow cavity 204 is equipped with mounting groove 201 and threading hole 203, controller is equipped in mounting groove 201, with controller phase
Route even is drawn by threading hole 203.Controller herein is separated with the cavity for accommodating ponding, prevents controller and route tide
It is wet, wherein to be routed through threading hole 203 and laid from the external of shell 2.
The utility model also provides a kind of fuel filter, is equipped with above-mentioned automatic drain valve.
Fuel filter provided by the utility model, uses automatic drain valve, and the ponding being discharged in filter accumulates to
In the accommodating chamber of automatic drain valve, according to the conversion frequency Auto-drainage of electromagnetic coil 301, the abrasion to components is reduced, is mentioned
The service life of high components.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (8)
1. fuel filter automatic drain valve characterized by comprising
Valve seat (1), one end of the valve seat (1) are water inlet, and the centre of the water inlet is equipped with the bell jar of outwardly convex
(108), the closed end of the bell jar (108) is equipped with water level sensor (101) and air inlet (104), and the bell jar (108) opens
The mouth outwardly extending plane of flattening in end is connected with the inner wall of the valve seat (1), and the plane of flattening is equipped with inlet opening (105), described
The other end of valve seat (1) swells outward forms the first hollow cavity (107), and the valve seat (1) is located at first hollow cavity (107)
Side wall be equipped with draining stomata (103);
Shell (2), the shell (2) include the second hollow cavity (305) and the third hollow cavity (204) separated by demarcation plate,
The other end that the valve seat (1) is equipped with one end and the valve seat (1) of second hollow cavity (305), which seals, to be connected, and described the
One hollow cavity (107) constitutes accommodating chamber after being connected to second hollow cavity (305), the demarcation plate is equipped with for being connected to
State the through-hole that the drainpipe (202) of accommodating chamber passes through;Controller is installed, the water level passes in the third hollow cavity (204)
Sensor (101) is connected with the controller line;
Valve body (3), is installed in the accommodating chamber, for opening and closing the inlet opening (105) and the drainpipe (202), including
Through the valve rod (304) of the accommodating chamber, one end of the valve rod (304) is equipped with the gas for blocking the air inlet (104)
Hole sealing element (3041), the other end are equipped with the drainage hole sealing element (3043) for blocking the drainpipe, in-between position
Equipped with the inlet opening sealing element (3042) for blocking the inlet opening (105), the valve rod (304) is close close to the drainage hole
One end of sealing (3043) is equipped with fixed core (303), and the one of the separate drainage hole sealing element (3043) of the fixed core (303)
The periphery at end is equipped with to be connected electromagnetic coil (301) with the controller line, and the bell jar is located on the valve rod (304)
(108) lower section is equipped with pressure block (306), on the valve rod (304) and is located at below the pressure block (306) equipped with the first bullet
Spring (3047), the inlet opening sealing element (3042) are installed on the pressure block (306) with moving down on the valve rod (304)
Dynamic, the valve rod (304) moves up and down under the action of the electromagnetic coil (301) and the fixed core (303), the valve rod
(304) it moves downward, port sealing part (3041), drainage hole sealing element (3043) are in free state, drainage hole sealing element
(3043) it is in compressive state, the discharging valve is opened;The valve rod (304) is multiple under the action of the first spring (3047)
Position, port sealing part (3041), drainage hole sealing element (3043) switch to compressive state, and drainage hole sealing element (3043) switches to
Free state, the discharging valve are closed.
2. fuel filter automatic drain valve as described in claim 1, it is characterised in that: the valve rod (304) includes sequentially
Connected first body of rod (3044), second body of rod (3045) and the third body of rod (3046), port sealing part (3041) connection
In one end of first body of rod (3044), the drainage hole sealing element (3043) is connected to the end of the third body of rod (3046)
Portion, the pressure block (306) are set on first body of rod (3044), and first spring (3047) is set in described second
On the body of rod (3045).
3. fuel filter automatic drain valve as claimed in claim 2, it is characterised in that: the third body of rod (3046) includes
It is greater than the gag lever post of the guide rod (30462) across the guide rod (30462) and outer diameter of the centre bore of the fixed core (303)
(30461), it is formed between the end face of the gag lever post (30461) and the end face of the fixed core (303) for controlling the valve
The gap of bar (304) up and down motion stroke, the drainage hole sealing element (3043) are set to the end of the guide rod (30462)
Portion, the gag lever post (30461) are threadedly coupled with second body of rod (3045).
4. fuel filter automatic drain valve as claimed in claim 2, it is characterised in that: second body of rod (3045) and institute
The one end for stating first body of rod (3044) connection is equipped with central blind hole, and the pressure block (306) is by being arranged in the central blind hole
Interior internal screw thread is threadedly coupled with second body of rod (3045), and first body of rod (3044) passes through the pressure block (306)
It extend into the central blind hole, and by the limit disk and the pressure block (306) of first body of rod (3044) end
It is limited in the central blind hole, the second spring (3048) squeezed by the limit disk is equipped in central blind hole.
5. fuel filter automatic drain valve as claimed in claim 2, it is characterised in that: second body of rod (3045) it is upper
End is equipped with round cushion cap, and the pressure block (306) is equipped with the pressure-bearing rotary table with the round raft contact.
6. fuel filter automatic drain valve as described in claim 1, it is characterised in that: the fixed core (303) and described
Sealing ring (106) are equipped between electromagnetic coil (301).
7. fuel filter automatic drain valve as described in claim 1, it is characterised in that: the third hollow cavity (204)
Inner wall is equipped with mounting groove (201) and threading hole (203), is equipped with controller, the line being connected with controller in the mounting groove (201)
It is drawn by threading hole (203) on road.
8. fuel filter, it is characterised in that: installation is just like the described in any item automatic drain valves of claim 1-7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822176342.5U CN209369972U (en) | 2018-12-24 | 2018-12-24 | Fuel filter automatic drain valve and fuel filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822176342.5U CN209369972U (en) | 2018-12-24 | 2018-12-24 | Fuel filter automatic drain valve and fuel filter |
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Publication Number | Publication Date |
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CN209369972U true CN209369972U (en) | 2019-09-10 |
Family
ID=67830575
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CN201822176342.5U Active CN209369972U (en) | 2018-12-24 | 2018-12-24 | Fuel filter automatic drain valve and fuel filter |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109488498A (en) * | 2018-12-24 | 2019-03-19 | 河北中瓷电子科技有限公司 | Fuel filter automatic drain valve and fuel filter |
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2018
- 2018-12-24 CN CN201822176342.5U patent/CN209369972U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109488498A (en) * | 2018-12-24 | 2019-03-19 | 河北中瓷电子科技有限公司 | Fuel filter automatic drain valve and fuel filter |
CN109488498B (en) * | 2018-12-24 | 2024-01-05 | 河北中瓷电子科技有限公司 | Automatic water drain valve of fuel filter and fuel filter |
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