CN208073657U - Diesel fuel filter modularization filter element upper cover component - Google Patents
Diesel fuel filter modularization filter element upper cover component Download PDFInfo
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- CN208073657U CN208073657U CN201820051610.8U CN201820051610U CN208073657U CN 208073657 U CN208073657 U CN 208073657U CN 201820051610 U CN201820051610 U CN 201820051610U CN 208073657 U CN208073657 U CN 208073657U
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- filter
- ring
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- 239000002283 diesel fuel Substances 0.000 title claims abstract description 22
- 210000004907 gland Anatomy 0.000 claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 31
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 76
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000000295 fuel oil Substances 0.000 abstract description 13
- 238000013461 design Methods 0.000 abstract description 3
- 239000000306 component Substances 0.000 description 51
- 239000003921 oil Substances 0.000 description 29
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229920006351 engineering plastic Polymers 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000237983 Trochidae Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The utility model discloses a kind of diesel fuel filter modularization filter element upper cover components, including upper housing component and element kit；Upper housing component includes main part, tubular spiral cover and gland part, and necking part is equipped at the top of spiral cover；Gland part includes the gland ring segment of twice or more, and all gland ring segments are circumferentially spliced into annular shape in same level；Main part includes cover cylinder, shoulder and the connecting cylinder being from top to bottom sequentially connected, and element kit includes central tube, the filtering layer of ring-shaped section and ring-shaped, filter core upper end cover and filter core bottom end cover, and center pipe outer wall is equipped with the spiral helicine air slot for air guide.The utility model can prevent the heap at filter core central tube of the gas in fuel oil from coming, and leakproofness is strong, and structure is modularized design, and each component assembling and dismounting are more convenient, are convenient for the assembly and disassembly operation of diesel fuel filter.
Description
Technical field
The utility model is related to automotive diesel filtration system more particularly to a kind of modular assembly knots of diesel fuel filter
Structure.
Background technology
The filter of motor vehicle three refers to air cleaner, fuel filter and oil filter." three filters " is in diesel engine
On filtration is played to air, machine oil and diesel oil, to playing a protective role to engine.
In recent years, emission regulation standard is continuously improved, and vehicle factor and engine works propose lightweight, modularization, integrated
Gradually replaced by organic engineering plastics with the auto parts and components of the target call of low emission, original metal material, automobile-use " three
Filter " product is more and more to be replaced by plastic housing air filter, plastic housing combustion filter and plastic housing oil strainer product.Using organic engineering plastics as life
Production raw material not only conform to the environmental regulation requirement of country, can also greatly reduce manufacture and the processing cost of enterprise, carry
The market competitiveness of high brand names.
At present filter Ji Jia enterprises in the top such as comings filtering system, graceful Hu Moer etc. are done in the world to adopt
It is released with the product of engineering plastics.There is incomplete place, such as each integrated levels are low, heater, water level in these products
Sensor is independent interface, does not carry out modular division etc. to each component of filter, this makes existing filter assemble
It is complex with installing, dismounting installation when replacing filter core is relatively complicated, and filter seals can need to be further increased etc..Again
If fuel oil is when passing through filtering layer, a small amount of gas contained in fuel oil can accumulate at filter core central tube, the gas of accumulation
Measure it is larger after, as fuel oil after filter core central tube and flowline disposably by flowing into motor vehicle oil circuit, cause motor vehicle flame-out,
And it is not easy to light a fire again after stopping working.
Utility model content
The purpose of this utility model is to provide a kind of diesel fuel filter modularization filter element upper cover component, critical piece is equal
It is made of plastic material, can prevent the heap at filter core central tube of the gas in fuel oil from coming, leakproofness is strong, and structure is mould
Blockization designs, and each component assembling and dismounting are more convenient, are convenient for the assembly and disassembly operation of diesel fuel filter.
To achieve the above object, the diesel fuel filter modularization filter element upper cover component of the utility model includes upper shell group
Part and element kit；
Upper housing component includes main part, tubular spiral cover and gland part, and the vertical centerline of three is same straight line；
To be directed toward the direction of the vertical centerline as interior direction, using away from the direction of the vertical centerline as lateral direction；
Necking part is equipped at the top of spiral cover；Gland part includes the gland ring segment of twice or more, and all gland ring segments exist
Annular shape is circumferentially spliced into same level；
Main part includes cover cylinder, shoulder and the connecting cylinder being from top to bottom sequentially connected, and the diameter of connecting cylinder is more than cover cylinder；
It is fixedly connected with oil inlet pipe and flowline at the top of cover cylinder, connection drum outer wall is from up to being convexly equipped with three annular protrusions, under being located at
Two annular protrusions of side are sealing annular protrusion, two annular projection diameters of sealing it is identical and with connect drum outer wall surround it is upper close
Sealing groove, the interior upper sealing ring being equipped with for being tightly connected with lower housing component of upper seal groove；Connect one of drum outer wall the top
The diameter of annular protrusion is more than the diameter of underlying two annular protrusions；In described two sealing annular protrusions, under being located at
It is evenly distributed with several openings on one sealing annular protrusion of side and forms discontinuous structure；
The shoulder of main part is to several upper connecting poles are had, and upper connecting pole is centered on the vertical centerline in water
It square is uniformly distributed circumferentially upwards；Each gland ring segment corresponds to two upper connecting poles, is set between upper connecting pole and gland ring segment
There are hold-down bolt, hold-down bolt to be tightly pressed together the shoulder of gland ring segment and main part；The inner wall of the necking part of spiral cover
It is slidably matched with the shoulder of main part, and the top outer diameter of necking part is less than one of convex annular of connection drum outer wall the top
The outer diameter risen；
Cover cylinder top center is connected with downwards fuel-displaced cylinder, and fuel-displaced cylinder top is connected with the flowline；Cover cylinder, shoulder and
Connecting cylinder surrounds upper casing intracoelomic cavity, and oil inlet pipe is connected with upper casing intracoelomic cavity；
Element kit includes central tube, the filtering layer of ring-shaped section and ring-shaped, filter core upper end cover and filter core bottom end cover, center pipe outer wall
Equipped with the spiral helicine air slot for air guide, filtering layer is sheathed on central tube, and filtering layer is identical as central tube height and the two
It is flush respectively between top and between bottom end；Filter core upper end cover is from top to bottom connected with filtering layer top and central tube top
It connects, filter core bottom end cover is connected with filtering layer bottom end and central tube bottom end from the bottom to top；Filter core upper end cover radial inner end is connected with
Upper sealing rubber ring, upper sealing rubber ring are mutually crimped with fuel-displaced drum outer wall；Filter core bottom end cover radial inner end is connected with lower sealing rubber ring, dress
It is crimped with the sealing of lower housing component with sealing rubber ring under state and is complete diesel fuel filter with the assembly of lower housing component；It is fuel-displaced
Cylinder lower end is stretched at the top of central tube；
If center bottom of the tube is between the upper and lower every the oil discharge passage for radially penetrating through central tube equipped with dried layer, institute is stretched into fuel-displaced cylinder lower part
State central tube；The lower end of upper connecting pole is located above filter core upper end cover and adjacent with filter core upper end cover；The connecting cylinder, gland portion
Divide, tubular spiral cover, central tube, filter core upper end cover and filter core bottom end cover are made of plastic material.
A diameter of R of the necking part of spiral cover, with some institute for the center of circle and by radius of 0.5R in the vertical centerline
The circle drawn is maximum installation region；The necking part of spiral cover, the diameter of flowline are stretched out in the outer end of oil inlet pipe in radial directions
It is located at outward in maximum installation region；Flowline is removably connected with extension tube in a manner of sealing clamping.
The quantity of the gland ring segment is two, and fuel-displaced cylinder lower end is equipped with the chamfering structure for being oriented to assembly.
The filter core upper end cover has connected up handle, and handle is arranged with two about the vertical centerline；With go out
The oily corresponding upper sealing rubber ring of drum outer wall is equipped with twice annular protrusion, and fuel-displaced drum outer wall is equipped with annular groove in twice, on
The twice annular protrusion of sealing rubber ring presses annular groove in the twice；The lower annular groove and lower sealing ring of lower output cylinder bottom
It is equipped at intervals with twice up and down.
The weight of element kit and lower sealing rubber ring are less than upper sealing rubber ring with the sum of the frictional force between lower housing component
With the frictional force between fuel-displaced cylinder.
Weld together with filtering layer top and central tube top after the cap surface heating melting of filter core upper end, filter core bottom end cover
Weld together with filtering layer bottom end and central tube bottom end after the heating melting of surface.
Using the structure of the utility model, it is no longer necessary to uniformly be assembled to each component when assembling filter（Filtering
Device inner space is small, is not easy to assemble）, but directly can assemble upper housing component and element kit in outside, then
Upper housing component, element kit and lower housing component are assembled together, and in the past filled each element one by one in general assembly
With compared to greatly facilitating assembling process, improve efficiency of assembling.
Lower housing component is to combine the elements such as lower housing and electric heater to be formed by structure, is existing bavin
The set of component in oil rectifier in addition to the component included by the utility model.
The necking part of spiral cover is stretched out in the outer end of oil inlet pipe in radial directions, consequently facilitating the oil circuit with motor vehicle upstream
It is connected.The radial outer end of flowline is located in maximum installation region；Flowline is removably connected in a manner of sealing clamping
Extension tube；Extension tube is connected convenient for the utility model with the oil circuit in motor vehicle downstream.If the radial outer end of flowline is direct
With regard to stretching out maximum installation region, then when assemble top shell component, it is difficult to so that oil inlet pipe and flowline is passed through necking part thus
Main part is set to be assembled together with spiral cover.The structure of the utility model had both allowed oil inlet pipe and flowline by necking part,
It is convenient for being connected with the oil circuit of motor vehicle again, the modularized design for filter to be divided into three parts provides possibility.
It is evenly distributed with several openings on underlying sealing annular protrusion and forms discontinuous structure；If not yet
There is setting to be open herein, then can be inconvenient when replacing upper sealing ring, upper sealing ring can be tightly sleeved on because of the elasticity of itself
In seal groove, staff is difficult to take out upper sealing ring from upper seal groove.It is opened due to being provided on sealing annular protrusion
Mouthful, discontinuous structure is formd, therefore can easily exert a force to upper sealing ring in opening, is drawn off, to significantly
It facilitates dismounting or replaces the work of upper sealing ring.
If gland part is not segmented, the annular shape being integral then is difficult to cover on cover cylinder, can not assemble.Gland portion
This can then be solved the problems, such as by being divided into more than two ring segments, can be assembled with one ring segment of a ring segment.If pressure
Cover segmentation is excessive, then increases the workload of assembly.Therefore, gland part is preferably divided into two gland ring segments, in this way, both
Convenient for spiral cover to be fixedly connected with cover cylinder, and do not increase the quantity of accessory excessively, assembling process is made utmostly to be simplified.
, can be inconvenient when dismantling element kit if being not provided with handle, staff is difficult to filter core group
Part applies axial force.The setting of handle has further facilitated the dismounting operation of the utility model.
The weight of element kit and lower sealing rubber ring be same as above the sum of frictional force between newel less than upper sealing rubber ring with
Frictional force between fuel-displaced cylinder.In this way, in dismounting, spiral cover is screwed out from lower housing component, it is then that upper housing component is whole
Body is extracted out of lower housing component upwards, you can under the action of frictional force, element kit is extracted together, is further simplified
Disassembly process.After element kit is pulled out, much compared with the space spaciousness in lower housing component due to free surrounding space, it is more convenient
Further lock out operation is carried out in each component to upper housing component and element kit.
The lower end of upper connecting pole is located above filter core upper end cover and adjacent with filter core upper end cover so that upper connecting pole not only has
Play the role of connecting gland part and main part, and has the function of axially position element kit.Fuel-displaced cylinder lower end is equipped with
Chamfering structure for being oriented to assembly, therefore the upper sealing rubber ring of insertion is easier in assembly.
When work, fuel oil enters upper casing intracoelomic cavity by oil inlet pipe, subsequently into filtering layer, is filtered when passing through filtering layer.
Filtered fuel oil is come at air slot, and the gas in fuel oil can flow to center bottom of the tube along air slot, in time with
Central tube is entered by oil discharge passage with fuel oil；Enter in this way, avoiding the bulk gas accumulated at previous central tube and concentrating
The problem that the motor vehicle that oil circuit is brought stops working, igniting is difficult.
Description of the drawings
Fig. 1 is the decomposition texture schematic diagram of the utility model；
Fig. 2 is the half-section diagram that the utility model is installed in lower housing component；
Fig. 3 is the cut-away view that the utility model is installed in lower housing component；
Fig. 4 is the decomposition diagram of upper housing component；
Fig. 5 is the structural schematic diagram of upper housing component；
Fig. 6 is the enlarged drawing at A in 3；
Fig. 7 is the enlarged drawing at C in Fig. 3.
Specific implementation mode
As shown in Figures 1 to 7, the diesel fuel filter modularization filter element upper cover component of the utility model includes upper shell group
Part and element kit.The assembly of the lower housing component 17 of the utility model and tubular is complete diesel fuel filter when use.
Upper housing component includes main part, tubular spiral cover 1 and gland part, and the vertical centerline 40 of three is with always
Line；To be directed toward the direction of the vertical centerline 40 as interior direction, using away from the direction of the vertical centerline 40 as outside
Direction；
1 top of spiral cover is equipped with necking part 2；Gland part includes the gland ring segment 3 of twice or more, all gland ring segments
3 are circumferentially spliced into annular shape in same level；
Main part includes the cover cylinder 4, shoulder 5 and connecting cylinder 6 being from top to bottom sequentially connected, and the diameter of connecting cylinder 6 is more than
Cover cylinder 4；The top of cover cylinder 4 is fixedly connected with oil inlet pipe 7 and flowline 8, and 6 outer wall of connecting cylinder is from up to being convexly equipped with three convex annulars
Play 10, underlying two annular protrusions 10 are sealing annular protrusion, two annular projection diameters of sealing it is identical and with connect
6 outer walls of cylinder surround seal groove, and the upper sealing ring 11 for being tightly connected with lower housing component 17 is equipped in upper seal groove；Connection
The diameter of one of annular protrusion 10 of 6 outer wall the tops of cylinder is more than the diameter of underlying two annular protrusions 10；Described two
In a sealing annular protrusion, it is evenly distributed with several openings 12 on underlying sealing annular protrusion and is formed discontinuous
Structure；It is open if be not provided with, can be inconvenient when replacing upper sealing ring 11 herein, bullet of the upper sealing ring 11 because of itself
Property can be tightly sleeved in seal groove, and staff is difficult to take out upper sealing ring 11 from upper seal groove.Due in sealing ring
It is provided with opening in shape protrusion, forms discontinuous structure, therefore can easily exert a force to upper sealing ring 11 in opening,
It is drawn off, to greatly facilitate dismounting or replace the work of upper sealing ring 11.
The shoulder 5 of main part is with the vertical centerline 40 to several upper connecting poles 13, upper connecting pole 13 is had
Center is uniformly distributed circumferentially in the horizontal direction；Each gland ring segment 3 corresponds to two upper connecting poles 13, upper connecting pole 13 and pressure
Hold-down bolt 14 is equipped between bezel ring, section 3, the shoulder 5 of gland ring segment 3 and main part is tightly pressed together by hold-down bolt 14；Rotation
The inner wall of the necking part 2 of lid 1 and the shoulder 5 of main part are slidably matched, and the top outer diameter of necking part 2 is less than connecting cylinder
The outer diameter of one of annular protrusion 10 of outer wall the top；In this way, spiral cover can not only be rotated relative to main part, but also main body can be limited
Partial axial position.
4 top center of cover cylinder is connected with downwards fuel-displaced cylinder 15, and 15 top of fuel-displaced cylinder is connected with the flowline 8；Cover cylinder
4, shoulder 5 and connecting cylinder 6 surround upper casing intracoelomic cavity 16, and oil inlet pipe 7 is connected with upper casing intracoelomic cavity 16；
Element kit includes central tube 30, the filtering layer 31 of ring-shaped section and ring-shaped, filter core upper end cover 32 and filter core bottom end cover 33, in
30 outer wall of heart pipe is equipped with the spiral helicine air slot 34 for air guide, and filtering layer 31 is sheathed on central tube 30, filtering layer 31 and center
It is flush respectively between identical and the two the top of 30 height of pipe and between bottom end；Filter core upper end cover 32 from top to bottom with filtering layer
31 tops are connected with 30 top of central tube, filter core bottom end cover 33 from the bottom to top with 30 bottom end phase of 31 bottom end of filtering layer and central tube
Connection；32 radial inner end of filter core upper end cover is connected with sealing rubber ring 36, and upper sealing rubber ring 36 is mutually crimped with 15 outer wall of fuel-displaced cylinder；
33 radial inner end of filter core bottom end cover is connected with lower sealing rubber ring 38, and sealing rubber ring 38 is sealed with lower housing component 17 under assembled state
It is complete diesel fuel filter to crimp and the utility model is made to be assembled with lower housing component 17；Lower housing component 17 is by lower housing
It is combined with elements such as electric heaters and be formed by structure, is removed included by the utility model in existing diesel fuel filter
Component other than component set.
30 top of central tube is stretched into 15 lower end of fuel-displaced cylinder, and 15 lower end of fuel-displaced cylinder is equipped with the chamfering structure for being oriented to assembly,
Therefore fuel-displaced cylinder lower end outer diameter is easier to be inserted into upper sealing rubber ring 36 in assembly compared with its main part smaller.
If 30 bottom of central tube is equipped at intervals with the oil discharge passage 37 that dried layer radially penetrates through central tube 30 up and down,
The central tube 30 is stretched into 15 lower part of fuel-displaced cylinder；The lower end of upper connecting pole 13 be located at the top of filter core upper end cover 32 and with
Filter core upper end cover 32 is adjacent.
The connecting cylinder 6, gland part, tubular spiral cover 1, central tube 30, filter core upper end cover 32 and filter core bottom end cover 33 are equal
It is made of plastic material.In fact, in addition to filtering layer 31, bolt etc. can not use plastic material, other component can be by plastic cement
Material is made.
Vertical centerline 40 is also the vertical centerline of element kit.
A diameter of R of the necking part 2 of spiral cover 1, in the vertical centerline 40 to be some the center of circle and be half with 0.5R
The circle that diameter is drawn is maximum installation region；The necking part 2 of spiral cover 1 is stretched out in the outer end of oil inlet pipe 7 in radial directions, to
Convenient for being connected with motor vehicle oil circuit.The radial outer end of flowline 8 is located in maximum installation region；Flowline 8 is to seal clamping
Mode be removably connected with extension tube 9；Extension tube 9 is connected convenient for the utility model with motor vehicle oil circuit.
The quantity of the gland ring segment 3 is two.If gland part is not segmented, the annular shape being integral is then difficult
To cover on cover cylinder 4, can not assemble.Gland part, which is divided into more than two ring segments, can then solve the problems, such as this, can be with one
Assembled to one ring segment of ring segment.If gland partial segments are excessive, the workload of assembly is increased.Therefore, gland portion
It is divided to and is preferably divided into two gland ring segments 3, in this way, being not only convenient for spiral cover 1 being fixedly connected with cover cylinder 4, but also does not increase accessory excessively
Quantity makes assembling process utmostly be simplified.
The filter core upper end cover 32 has connected up handle 39, and handle 39 is arranged with two about the vertical centerline 40
It is a.
, can be inconvenient when dismantling element kit if being not provided with handle 39, staff is difficult to filter core
Component applies axial force.The setting of handle 39 has further facilitated the dismounting operation of the utility model.
Sealing structure between 15 outer wall of upper sealing rubber ring and fuel-displaced cylinder can be any one of following two structures：
1, upper sealing rubber ring 36 corresponding with fuel-displaced drum outer wall is equipped with twice annular protrusion, and fuel-displaced drum outer wall is equipped with
The twice annular protrusion of annular groove 41 in twice, upper sealing rubber ring 36 presses annular groove 41 in the twice；Lower output cylinder 23
The lower annular groove 42 and about 27 lower sealing ring of bottom are equipped at intervals with twice.
2, unlike above-mentioned 1st kind of sealing structure, 15 outer wall of fuel-displaced cylinder is not provided with annular groove, with fuel-displaced drum outer wall
Corresponding upper sealing rubber ring is equipped with twice annular protrusion, the twice annular protrusion of upper sealing rubber ring and fuel-displaced drum outer wall surface
Radial compression forms double containment；The twice annular protrusion of lower sealing rubber ring and table in the sealing drum of lower housing bottom line pass outlet
Face diameter is to compressed shape at double containment.
Both sealing structures can enhance the sealing performance at upper sealing rubber ring 36.
The sum of frictional force between the weight of element kit and lower sealing rubber ring 38 and lower housing component 17 is less than upper sealing
Frictional force between cushion rubber 36 and fuel-displaced cylinder 15.In this way, in dismounting, spiral cover 1 is screwed out from lower housing component 17, then will
Upper housing component is whole to be extracted out of lower housing component 17 upwards, you can under the action of frictional force, element kit is pulled out together
Go out, further simplifies disassembly process.After element kit is pulled out, since free surrounding space is wide compared with the space in lower housing component 17
It is much spacious, therefore more convenient for carrying out further lock out operation to each component of upper housing component and element kit.
Weld together with 31 top of filtering layer and 30 top of central tube after the heating melting of 32 surface of filter core upper end cover, filter core
Weld together with 31 bottom end of filtering layer and 30 bottom end of central tube after the heating melting of 33 surface of bottom end cover so that element kit is very
Securely.
When assembly, first upper housing component and element kit are respectively assembled, and get out the lower casing based on lower housing
Body component 17.Then element kit is packed into ready lower housing component 17, then by upper housing component and lower housing component 17
It is connected with element kit.The utility model realizes modularization assembling, compares and enormously simplified assembling process in the past, improves
Efficiency of assembling.
Certainly, it when the diesel fuel filter that will use the utility model is on motor vehicle, needs through oil inlet pipe 7 and goes out
Oil pipe 8 is connected with the oil circuit of motor vehicle.When work, fuel oil enters upper casing intracoelomic cavity 16 by oil inlet pipe 7, subsequently into filtering layer
31, it is filtered when by filtering layer 31.Filtered fuel oil is come at air slot 34, and the gas in fuel oil can be along air slot
34 flow to 30 bottom of central tube, to enter central tube 30 by oil discharge passage 37 in company with fuel oil in time；In this way, avoiding
The bulk gas accumulated at central tube 30 concentrates the problem for entering that the motor vehicle that oil circuit is brought is flame-out, igniting is difficult.
Above example is only to illustrate and unrestricted the technical solution of the utility model, although with reference to above-described embodiment pair
The utility model is described in detail, it will be understood by those of ordinary skill in the art that：Still can to the utility model into
Row modification or equivalent replacement should all without departing from any modification or partial replacement of the spirit and scope of the utility model
Cover in the right of the utility model.
Claims (6)
1. diesel fuel filter modularization filter element upper cover component, it is characterised in that：Including upper housing component and element kit；
Upper housing component includes main part, tubular spiral cover and gland part, and the vertical centerline of three is same straight line；To refer to
To the direction of the vertical centerline be interior direction, using away from the direction of the vertical centerline as lateral direction；
Necking part is equipped at the top of spiral cover；Gland part includes the gland ring segment of twice or more, and all gland ring segments are same
Annular shape is circumferentially spliced on horizontal plane；
Main part includes cover cylinder, shoulder and the connecting cylinder being from top to bottom sequentially connected, and the diameter of connecting cylinder is more than cover cylinder；Cover cylinder
Top is fixedly connected with oil inlet pipe and flowline, and connection drum outer wall is underlying from up to being convexly equipped with three annular protrusions
Two annular protrusions are sealing annular protrusion, and the annular projection diameter of two sealings is identical and surrounds upper sealing with drum outer wall is connect
Slot, the interior upper sealing ring being equipped with for being tightly connected with lower housing component of upper seal groove；Connect one of ring of drum outer wall the top
The diameter of shape protrusion is more than the diameter of underlying two annular protrusions；In described two sealing annular protrusions, it is located at lower section
One sealing annular protrusion on be evenly distributed with it is several opening and form discontinuous structure；
The shoulder of main part is to several upper connecting poles are had, and upper connecting pole is centered on the vertical centerline in level side
It is uniformly distributed circumferentially upwards；Each gland ring segment corresponds to two upper connecting poles, and pressure is equipped between upper connecting pole and gland ring segment
The shoulder of gland ring segment and main part is tightly pressed together by tight bolt, hold-down bolt；The inner wall of the necking part of spiral cover and master
The shoulder of body portion is slidably matched, and the top outer diameter of necking part is less than one of annular protrusion of connection drum outer wall the top
Outer diameter；
Cover cylinder top center is connected with downwards fuel-displaced cylinder, and fuel-displaced cylinder top is connected with the flowline；Cover cylinder, shoulder and connection
Cylinder surrounds upper casing intracoelomic cavity, and oil inlet pipe is connected with upper casing intracoelomic cavity；
Element kit includes central tube, the filtering layer of ring-shaped section and ring-shaped, filter core upper end cover and filter core bottom end cover, and center pipe outer wall is equipped with
For the spiral helicine air slot of air guide, filtering layer is sheathed on central tube, and filtering layer is identical as central tube height and the top of the two
Between and bottom end between be flush respectively；Filter core upper end cover is from top to bottom connected with filtering layer top and central tube top, filter
Core bottom end cover is connected with filtering layer bottom end and central tube bottom end from the bottom to top；Filter core upper end cover radial inner end is connected with sealing
Cushion rubber, upper sealing rubber ring are mutually crimped with fuel-displaced drum outer wall；Filter core bottom end cover radial inner end is connected with lower sealing rubber ring, assembled state
Lower sealing rubber ring crimps with the sealing of lower housing component and is complete diesel fuel filter with the assembly of lower housing component；Fuel-displaced cylinder lower end
It stretches at the top of central tube；
If center bottom of the tube between the upper and lower every equipped with dried layer radially perforation central tube oil discharge passage, fuel-displaced cylinder lower part stretch into it is described in
Heart pipe；The lower end of upper connecting pole is located above filter core upper end cover and adjacent with filter core upper end cover；The connecting cylinder, gland part,
Tubular spiral cover, central tube, filter core upper end cover and filter core bottom end cover are made of plastic material.
2. diesel fuel filter according to claim 1 modularization filter element upper cover component, it is characterised in that：The necking of spiral cover
Partial a diameter of R, by the center of circle and the circle that is drawn using 0.5R as radius to be a little maximum installation in the vertical centerline
Region；The necking part of spiral cover is stretched out in the outer end of oil inlet pipe in radial directions, and the radial outer end of flowline is located at maximum install
In region；Flowline is removably connected with extension tube in a manner of sealing clamping.
3. diesel fuel filter according to claim 1 modularization filter element upper cover component, it is characterised in that：The gland
The quantity of ring segment is two, and fuel-displaced cylinder lower end is equipped with the chamfering structure for being oriented to assembly.
4. diesel fuel filter according to claim 1 modularization filter element upper cover component, it is characterised in that：On the filter core
End cap has connected up handle, and handle is arranged with two about the vertical centerline；On corresponding with fuel-displaced drum outer wall
Sealing rubber ring is equipped with twice annular protrusion, and fuel-displaced drum outer wall is equipped with annular groove in twice, the twice annular of upper sealing rubber ring
Protrusion presses annular groove in the twice；The lower annular groove and lower sealing ring of lower output cylinder bottom are equipped at intervals with twice up and down.
5. diesel fuel filter according to claim 1 modularization filter element upper cover component, it is characterised in that：Element kit
Weight and lower sealing rubber ring are less than the friction between upper sealing rubber ring and fuel-displaced cylinder with the sum of the frictional force between lower housing component
Power.
6. diesel fuel filter according to claim 1 modularization filter element upper cover component, it is characterised in that：Filter core upper end cover
Surface heating melting after weld together with filtering layer top and central tube top, filter core lower end cap surface heating melting after with filter
Layer bottom end and central tube bottom end weld together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820051610.8U CN208073657U (en) | 2018-01-12 | 2018-01-12 | Diesel fuel filter modularization filter element upper cover component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820051610.8U CN208073657U (en) | 2018-01-12 | 2018-01-12 | Diesel fuel filter modularization filter element upper cover component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208073657U true CN208073657U (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820051610.8U Withdrawn - After Issue CN208073657U (en) | 2018-01-12 | 2018-01-12 | Diesel fuel filter modularization filter element upper cover component |
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| Country | Link |
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| CN (1) | CN208073657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087172A (en) * | 2018-01-12 | 2018-05-29 | 平原滤清器有限公司 | Diesel fuel filter modularization filter element upper cover component |
-
2018
- 2018-01-12 CN CN201820051610.8U patent/CN208073657U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087172A (en) * | 2018-01-12 | 2018-05-29 | 平原滤清器有限公司 | Diesel fuel filter modularization filter element upper cover component |
| CN108087172B (en) * | 2018-01-12 | 2024-01-12 | 平原滤清器有限公司 | Modular filter element upper cover assembly for diesel filter |
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